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Unverified Commit 43ba3125 authored by Tatsuhiro Tsujikawa's avatar Tatsuhiro Tsujikawa Committed by GitHub
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Merge pull request #1547 from nghttp2/sphinx-v3.3 

Sphinx v3.3
parents 79a4f789 3c17299a
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Showing with 554 additions and 444 deletions
doc/_exts/sphinxcontrib/rubydomain.py
View file @ 43ba3125
......@@ -18,7 +18,7 @@ from docutils.parsers.rst import Directive
from sphinx import addnodes
from sphinx import version_info
from sphinx.roles import XRefRole
from sphinx.locale import l_, _
from sphinx.locale import _
from sphinx.domains import Domain, ObjType, Index
from sphinx.directives import ObjectDescription
from sphinx.util.nodes import make_refnode
......
doc/mkapiref.py
View file @ 43ba3125
#!/usr/bin/env python
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# nghttp2 - HTTP/2 C Library
#
# Copyright (c) 2020 nghttp2 contributors
# Copyright (c) 2020 ngtcp2 contributors
# Copyright (c) 2012 Tatsuhiro Tsujikawa
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
......@@ -25,17 +27,16 @@
# Generates API reference from C source code.
from __future__ import unicode_literals
from __future__ import print_function # At least python 2.6 is required
import re, sys, argparse, os.path
class FunctionDoc:
def __init__(self, name, content, domain):
def __init__(self, name, content, domain, filename):
self.name = name
self.content = content
self.domain = domain
if self.domain == 'function':
self.funcname = re.search(r'(nghttp2_[^ )]+)\(', self.name).group(1)
self.filename = filename
def write(self, out):
out.write('.. {}:: {}\n'.format(self.domain, self.name))
......@@ -64,6 +65,26 @@ class StructDoc:
out.write(' {}\n'.format(line))
out.write('\n')
class EnumDoc:
def __init__(self, name, content, members):
self.name = name
self.content = content
self.members = members
def write(self, out):
if self.name:
out.write('.. type:: {}\n'.format(self.name))
out.write('\n')
for line in self.content:
out.write(' {}\n'.format(line))
out.write('\n')
for name, content in self.members:
out.write(' .. enum:: {}\n'.format(name))
out.write('\n')
for line in content:
out.write(' {}\n'.format(line))
out.write('\n')
class MacroDoc:
def __init__(self, name, content):
self.name = name
......@@ -75,12 +96,34 @@ class MacroDoc:
for line in self.content:
out.write(' {}\n'.format(line))
def make_api_ref(infiles):
class MacroSectionDoc:
def __init__(self, content):
self.content = content
def write(self, out):
out.write('\n')
c = ' '.join(self.content).strip()
out.write(c)
out.write('\n')
out.write('-' * len(c))
out.write('\n\n')
class TypedefDoc:
def __init__(self, name, content):
self.name = name
self.content = content
def write(self, out):
out.write('''.. type:: {}\n'''.format(self.name))
out.write('\n')
for line in self.content:
out.write(' {}\n'.format(line))
def make_api_ref(infile):
macros = []
enums = []
types = []
functions = []
for infile in infiles:
while True:
line = infile.readline()
if not line:
......@@ -98,27 +141,31 @@ def make_api_ref(infiles):
enums.append(process_enum(infile))
elif doctype == '@macro':
macros.append(process_macro(infile))
elif doctype == '@macrosection':
macros.append(process_macrosection(infile))
elif doctype == '@typedef':
types.append(process_typedef(infile))
return macros, enums, types, functions
alldocs = [('Macros', macros),
('Enums', enums),
('Types (structs, unions and typedefs)', types),
('Functions', functions)]
def output(
indexfile, macrosfile, enumsfile, typesfile, funcsdir,
title, indexfile, macrosfile, enumsfile, typesfile, funcsdir,
macros, enums, types, functions):
indexfile.write('''
API Reference
=============
{title}
{titledecoration}
.. toctree::
:maxdepth: 1
macros
enums
types
''')
{macros}
{enums}
{types}
'''.format(
title=title, titledecoration='='*len(title),
macros=os.path.splitext(os.path.basename(macrosfile.name))[0],
enums=os.path.splitext(os.path.basename(enumsfile.name))[0],
types=os.path.splitext(os.path.basename(typesfile.name))[0],
))
for doc in functions:
indexfile.write(' {}\n'.format(doc.funcname))
......@@ -153,9 +200,10 @@ Types (structs, unions and typedefs)
Synopsis
--------
*#include <nghttp2/nghttp2.h>*
*#include <nghttp2/{filename}>*
'''.format(funcname=doc.funcname, secul='='*len(doc.funcname)))
'''.format(funcname=doc.funcname, secul='='*len(doc.funcname),
filename=doc.filename))
doc.write(f)
def process_macro(infile):
......@@ -164,6 +212,17 @@ def process_macro(infile):
macro_name = line.split()[1]
return MacroDoc(macro_name, content)
def process_macrosection(infile):
content = read_content(infile)
return MacroSectionDoc(content)
def process_typedef(infile):
content = read_content(infile)
typedef = infile.readline()
typedef = re.sub(r';\n$', '', typedef)
typedef = re.sub(r'typedef ', '', typedef)
return TypedefDoc(typedef, content)
def process_enum(infile):
members = []
enum_name = None
......@@ -176,7 +235,7 @@ def process_enum(infile):
member_content = read_content(infile)
line = infile.readline()
items = line.split()
member_name = items[0]
member_name = items[0].rstrip(',')
if len(items) >= 3:
member_content.insert(0, '(``{}``) '\
.format(' '.join(items[2:]).rstrip(',')))
......@@ -185,7 +244,7 @@ def process_enum(infile):
enum_name = line.rstrip().split()[1]
enum_name = re.sub(r';$', '', enum_name)
break
return StructDoc(enum_name, content, members, 'macro')
return EnumDoc(enum_name, content, members)
def process_struct(infile):
members = []
......@@ -226,7 +285,9 @@ def process_function(domain, infile):
func_proto = re.sub(r';\n$', '', func_proto)
func_proto = re.sub(r'\s+', ' ', func_proto)
func_proto = re.sub(r'NGHTTP2_EXTERN ', '', func_proto)
return FunctionDoc(func_proto, content, domain)
func_proto = re.sub(r'typedef ', '', func_proto)
filename = os.path.basename(infile.name)
return FunctionDoc(func_proto, content, domain, filename)
def read_content(infile):
content = []
......@@ -251,6 +312,8 @@ def transform_content(content):
if __name__ == '__main__':
parser = argparse.ArgumentParser(description="Generate API reference")
parser.add_argument('--title', default='API Reference',
help='title of index page')
parser.add_argument('index', type=argparse.FileType('w'),
help='index output file')
parser.add_argument('macros', type=argparse.FileType('w'),
......@@ -269,12 +332,13 @@ if __name__ == '__main__':
types = []
funcs = []
for infile in args.files:
m, e, t, f = make_api_ref(args.files)
m, e, t, f = make_api_ref(infile)
macros.extend(m)
enums.extend(e)
types.extend(t)
funcs.extend(f)
funcs.sort(key=lambda x: x.funcname)
output(
args.title,
args.index, args.macros, args.enums, args.types, args.funcsdir,
macros, enums, types, funcs)
lib/includes/nghttp2/nghttp2.h
View file @ 43ba3125
......@@ -411,12 +411,12 @@ typedef enum {
*/
NGHTTP2_ERR_TOO_MANY_SETTINGS = -537,
/**
* The errors < :enum:`NGHTTP2_ERR_FATAL` mean that the library is
* under unexpected condition and processing was terminated (e.g.,
* out of memory). If application receives this error code, it must
* stop using that :type:`nghttp2_session` object and only allowed
* operation for that object is deallocate it using
* `nghttp2_session_del()`.
* The errors < :enum:`nghttp2_error.NGHTTP2_ERR_FATAL` mean that
* the library is under unexpected condition and processing was
* terminated (e.g., out of memory). If application receives this
* error code, it must stop using that :type:`nghttp2_session`
* object and only allowed operation for that object is deallocate
* it using `nghttp2_session_del()`.
*/
NGHTTP2_ERR_FATAL = -900,
/**
......@@ -545,9 +545,9 @@ typedef struct {
* :type:`nghttp2_on_frame_send_callback`, and
* :type:`nghttp2_on_frame_not_send_callback`), it may not be
* NULL-terminated if header field is passed from application with
* the flag :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME`). When application
* is constructing this struct, |name| is not required to be
* NULL-terminated.
* the flag :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME`).
* When application is constructing this struct, |name| is not
* required to be NULL-terminated.
*/
uint8_t *name;
/**
......@@ -558,9 +558,9 @@ typedef struct {
* :type:`nghttp2_on_frame_send_callback`, and
* :type:`nghttp2_on_frame_not_send_callback`), it may not be
* NULL-terminated if header field is passed from application with
* the flag :enum:`NGHTTP2_NV_FLAG_NO_COPY_VALUE`). When
* application is constructing this struct, |value| is not required
* to be NULL-terminated.
* the flag :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_VALUE`).
* When application is constructing this struct, |value| is not
* required to be NULL-terminated.
*/
uint8_t *value;
/**
......@@ -717,8 +717,8 @@ typedef enum {
*
* Default maximum number of incoming concurrent streams. Use
* `nghttp2_submit_settings()` with
* :enum:`NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS` to change the
* maximum number of incoming concurrent streams.
* :enum:`nghttp2_settings_id.NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS`
* to change the maximum number of incoming concurrent streams.
*
* .. note::
*
......@@ -872,38 +872,41 @@ typedef enum {
* The implementation of this function must read at most |length|
* bytes of data from |source| (or possibly other places) and store
* them in |buf| and return number of data stored in |buf|. If EOF is
* reached, set :enum:`NGHTTP2_DATA_FLAG_EOF` flag in |*data_flags|.
* reached, set :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_EOF` flag
* in |*data_flags|.
*
* Sometime it is desirable to avoid copying data into |buf| and let
* application to send data directly. To achieve this, set
* :enum:`NGHTTP2_DATA_FLAG_NO_COPY` to |*data_flags| (and possibly
* other flags, just like when we do copy), and return the number of
* bytes to send without copying data into |buf|. The library, seeing
* :enum:`NGHTTP2_DATA_FLAG_NO_COPY`, will invoke
* :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_NO_COPY` to
* |*data_flags| (and possibly other flags, just like when we do
* copy), and return the number of bytes to send without copying data
* into |buf|. The library, seeing
* :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_NO_COPY`, will invoke
* :type:`nghttp2_send_data_callback`. The application must send
* complete DATA frame in that callback.
*
* If this callback is set by `nghttp2_submit_request()`,
* `nghttp2_submit_response()` or `nghttp2_submit_headers()` and
* `nghttp2_submit_data()` with flag parameter
* :enum:`NGHTTP2_FLAG_END_STREAM` set, and
* :enum:`NGHTTP2_DATA_FLAG_EOF` flag is set to |*data_flags|, DATA
* frame will have END_STREAM flag set. Usually, this is expected
* behaviour and all are fine. One exception is send trailer fields.
* You cannot send trailer fields after sending frame with END_STREAM
* set. To avoid this problem, one can set
* :enum:`NGHTTP2_DATA_FLAG_NO_END_STREAM` along with
* :enum:`NGHTTP2_DATA_FLAG_EOF` to signal the library not to set
* END_STREAM in DATA frame. Then application can use
* `nghttp2_submit_trailer()` to send trailer fields.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_END_STREAM` set, and
* :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_EOF` flag is set to
* |*data_flags|, DATA frame will have END_STREAM flag set. Usually,
* this is expected behaviour and all are fine. One exception is send
* trailer fields. You cannot send trailer fields after sending frame
* with END_STREAM set. To avoid this problem, one can set
* :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_NO_END_STREAM` along
* with :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_EOF` to signal the
* library not to set END_STREAM in DATA frame. Then application can
* use `nghttp2_submit_trailer()` to send trailer fields.
* `nghttp2_submit_trailer()` can be called inside this callback.
*
* If the application wants to postpone DATA frames (e.g.,
* asynchronous I/O, or reading data blocks for long time), it is
* achieved by returning :enum:`NGHTTP2_ERR_DEFERRED` without reading
* any data in this invocation. The library removes DATA frame from
* the outgoing queue temporarily. To move back deferred DATA frame
* to outgoing queue, call `nghttp2_session_resume_data()`.
* achieved by returning :enum:`nghttp2_error.NGHTTP2_ERR_DEFERRED`
* without reading any data in this invocation. The library removes
* DATA frame from the outgoing queue temporarily. To move back
* deferred DATA frame to outgoing queue, call
* `nghttp2_session_resume_data()`.
*
* By default, |length| is limited to 16KiB at maximum. If peer
* allows larger frames, application can enlarge transmission buffer
......@@ -912,16 +915,17 @@ typedef enum {
*
* If the application just wants to return from
* `nghttp2_session_send()` or `nghttp2_session_mem_send()` without
* sending anything, return :enum:`NGHTTP2_ERR_PAUSE`.
* sending anything, return :enum:`nghttp2_error.NGHTTP2_ERR_PAUSE`.
*
* In case of error, there are 2 choices. Returning
* :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` will close the stream
* by issuing RST_STREAM with :enum:`NGHTTP2_INTERNAL_ERROR`. If a
* different error code is desirable, use
* `nghttp2_submit_rst_stream()` with a desired error code and then
* return :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`. Returning
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE` will signal the entire session
* failure.
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` will
* close the stream by issuing RST_STREAM with
* :enum:`nghttp2_error_code.NGHTTP2_INTERNAL_ERROR`. If a different
* error code is desirable, use `nghttp2_submit_rst_stream()` with a
* desired error code and then return
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`.
* Returning :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE` will
* signal the entire session failure.
*/
typedef ssize_t (*nghttp2_data_source_read_callback)(
nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t length,
......@@ -1301,8 +1305,9 @@ typedef union {
* |length| bytes of data stored in |data|. The |flags| is currently
* not used and always 0. It must return the number of bytes sent if
* it succeeds. If it cannot send any single byte without blocking,
* it must return :enum:`NGHTTP2_ERR_WOULDBLOCK`. For other errors,
* it must return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. The
* it must return :enum:`nghttp2_error.NGHTTP2_ERR_WOULDBLOCK`. For
* other errors, it must return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. The
* |user_data| pointer is the third argument passed in to the call to
* `nghttp2_session_client_new()` or `nghttp2_session_server_new()`.
*
......@@ -1330,9 +1335,10 @@ typedef ssize_t (*nghttp2_send_callback)(nghttp2_session *session,
/**
* @functypedef
*
* Callback function invoked when :enum:`NGHTTP2_DATA_FLAG_NO_COPY` is
* used in :type:`nghttp2_data_source_read_callback` to send complete
* DATA frame.
* Callback function invoked when
* :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_NO_COPY` is used in
* :type:`nghttp2_data_source_read_callback` to send complete DATA
* frame.
*
* The |frame| is a DATA frame to send. The |framehd| is the
* serialized frame header (9 bytes). The |length| is the length of
......@@ -1350,21 +1356,22 @@ typedef ssize_t (*nghttp2_send_callback)(nghttp2_session *session,
* If all data were written successfully, return 0.
*
* If it cannot send any data at all, just return
* :enum:`NGHTTP2_ERR_WOULDBLOCK`; the library will call this callback
* with the same parameters later (It is recommended to send complete
* DATA frame at once in this function to deal with error; if partial
* frame data has already sent, it is impossible to send another data
* in that state, and all we can do is tear down connection). When
* data is fully processed, but application wants to make
* `nghttp2_session_mem_send()` or `nghttp2_session_send()` return
* immediately without processing next frames, return
* :enum:`NGHTTP2_ERR_PAUSE`. If application decided to reset this
* stream, return :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`, then
* :enum:`nghttp2_error.NGHTTP2_ERR_WOULDBLOCK`; the library will call
* this callback with the same parameters later (It is recommended to
* send complete DATA frame at once in this function to deal with
* error; if partial frame data has already sent, it is impossible to
* send another data in that state, and all we can do is tear down
* connection). When data is fully processed, but application wants
* to make `nghttp2_session_mem_send()` or `nghttp2_session_send()`
* return immediately without processing next frames, return
* :enum:`nghttp2_error.NGHTTP2_ERR_PAUSE`. If application decided to
* reset this stream, return
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`, then
* the library will send RST_STREAM with INTERNAL_ERROR as error code.
* The application can also return
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`, which will result in
* connection closure. Returning any other value is treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE` is returned.
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`, which will
* result in connection closure. Returning any other value is treated
* as :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE` is returned.
*/
typedef int (*nghttp2_send_data_callback)(nghttp2_session *session,
nghttp2_frame *frame,
......@@ -1381,11 +1388,13 @@ typedef int (*nghttp2_send_data_callback)(nghttp2_session *session,
* currently not used and always 0. It must return the number of
* bytes written in |buf| if it succeeds. If it cannot read any
* single byte without blocking, it must return
* :enum:`NGHTTP2_ERR_WOULDBLOCK`. If it gets EOF before it reads any
* single byte, it must return :enum:`NGHTTP2_ERR_EOF`. For other
* errors, it must return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* Returning 0 is treated as :enum:`NGHTTP2_ERR_WOULDBLOCK`. The
* |user_data| pointer is the third argument passed in to the call to
* :enum:`nghttp2_error.NGHTTP2_ERR_WOULDBLOCK`. If it gets EOF
* before it reads any single byte, it must return
* :enum:`nghttp2_error.NGHTTP2_ERR_EOF`. For other errors, it must
* return :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
* Returning 0 is treated as
* :enum:`nghttp2_error.NGHTTP2_ERR_WOULDBLOCK`. The |user_data|
* pointer is the third argument passed in to the call to
* `nghttp2_session_client_new()` or `nghttp2_session_server_new()`.
*
* This callback is required if the application uses
......@@ -1429,7 +1438,8 @@ typedef ssize_t (*nghttp2_recv_callback)(nghttp2_session *session, uint8_t *buf,
* The implementation of this function must return 0 if it succeeds.
* If nonzero value is returned, it is treated as fatal error and
* `nghttp2_session_recv()` and `nghttp2_session_mem_recv()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_on_frame_recv_callback()`.
......@@ -1457,7 +1467,8 @@ typedef int (*nghttp2_on_frame_recv_callback)(nghttp2_session *session,
* The implementation of this function must return 0 if it succeeds.
* If nonzero is returned, it is treated as fatal error and
* `nghttp2_session_recv()` and `nghttp2_session_mem_recv()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_on_invalid_frame_recv_callback()`.
......@@ -1480,9 +1491,9 @@ typedef int (*nghttp2_on_invalid_frame_recv_callback)(
* `nghttp2_session_server_new()`.
*
* If the application uses `nghttp2_session_mem_recv()`, it can return
* :enum:`NGHTTP2_ERR_PAUSE` to make `nghttp2_session_mem_recv()`
* return without processing further input bytes. The memory by
* pointed by the |data| is retained until
* :enum:`nghttp2_error.NGHTTP2_ERR_PAUSE` to make
* `nghttp2_session_mem_recv()` return without processing further
* input bytes. The memory by pointed by the |data| is retained until
* `nghttp2_session_mem_recv()` or `nghttp2_session_recv()` is called.
* The application must retain the input bytes which was used to
* produce the |data| parameter, because it may refer to the memory
......@@ -1491,7 +1502,8 @@ typedef int (*nghttp2_on_invalid_frame_recv_callback)(
* The implementation of this function must return 0 if it succeeds.
* If nonzero is returned, it is treated as fatal error, and
* `nghttp2_session_recv()` and `nghttp2_session_mem_recv()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_on_data_chunk_recv_callback()`.
......@@ -1511,19 +1523,20 @@ typedef int (*nghttp2_on_data_chunk_recv_callback)(nghttp2_session *session,
* `nghttp2_session_server_new()`.
*
* The implementation of this function must return 0 if it succeeds.
* It can also return :enum:`NGHTTP2_ERR_CANCEL` to cancel the
* transmission of the given frame.
* It can also return :enum:`nghttp2_error.NGHTTP2_ERR_CANCEL` to
* cancel the transmission of the given frame.
*
* If there is a fatal error while executing this callback, the
* implementation should return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`,
* which makes `nghttp2_session_send()` and
* `nghttp2_session_mem_send()` functions immediately return
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* implementation should return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`, which makes
* `nghttp2_session_send()` and `nghttp2_session_mem_send()` functions
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* If the other value is returned, it is treated as if
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE` is returned. But the
* implementation should not rely on this since the library may define
* new return value to extend its capability.
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE` is returned.
* But the implementation should not rely on this since the library
* may define new return value to extend its capability.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_before_frame_send_callback()`.
......@@ -1542,7 +1555,8 @@ typedef int (*nghttp2_before_frame_send_callback)(nghttp2_session *session,
* The implementation of this function must return 0 if it succeeds.
* If nonzero is returned, it is treated as fatal error and
* `nghttp2_session_send()` and `nghttp2_session_mem_send()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_on_frame_send_callback()`.
......@@ -1564,7 +1578,8 @@ typedef int (*nghttp2_on_frame_send_callback)(nghttp2_session *session,
* The implementation of this function must return 0 if it succeeds.
* If nonzero is returned, it is treated as fatal error and
* `nghttp2_session_send()` and `nghttp2_session_mem_send()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* `nghttp2_session_get_stream_user_data()` can be used to get
* associated data.
......@@ -1595,7 +1610,8 @@ typedef int (*nghttp2_on_frame_not_send_callback)(nghttp2_session *session,
* If nonzero is returned, it is treated as fatal error and
* `nghttp2_session_recv()`, `nghttp2_session_mem_recv()`,
* `nghttp2_session_send()`, and `nghttp2_session_mem_send()`
* functions immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* functions immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_on_stream_close_callback()`.
......@@ -1613,10 +1629,11 @@ typedef int (*nghttp2_on_stream_close_callback)(nghttp2_session *session,
* will be emitted by :type:`nghttp2_on_header_callback`.
*
* The ``frame->hd.flags`` may not have
* :enum:`NGHTTP2_FLAG_END_HEADERS` flag set, which indicates that one
* or more CONTINUATION frames are involved. But the application does
* not need to care about that because the header name/value pairs are
* emitted transparently regardless of CONTINUATION frames.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_END_HEADERS` flag set, which
* indicates that one or more CONTINUATION frames are involved. But
* the application does not need to care about that because the header
* name/value pairs are emitted transparently regardless of
* CONTINUATION frames.
*
* The server applications probably create an object to store
* information about new stream if ``frame->hd.type ==
......@@ -1639,26 +1656,31 @@ typedef int (*nghttp2_on_stream_close_callback)(nghttp2_session *session,
* trailer fields also has ``frame->headers.cat ==
* NGHTTP2_HCAT_HEADERS`` which does not contain any status code.
*
* Returning :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` will close
* the stream (promised stream if frame is PUSH_PROMISE) by issuing
* RST_STREAM with :enum:`NGHTTP2_INTERNAL_ERROR`. In this case,
* Returning
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` will
* close the stream (promised stream if frame is PUSH_PROMISE) by
* issuing RST_STREAM with
* :enum:`nghttp2_error_code.NGHTTP2_INTERNAL_ERROR`. In this case,
* :type:`nghttp2_on_header_callback` and
* :type:`nghttp2_on_frame_recv_callback` will not be invoked. If a
* different error code is desirable, use
* `nghttp2_submit_rst_stream()` with a desired error code and then
* return :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`. Again, use
* ``frame->push_promise.promised_stream_id`` as stream_id parameter
* in `nghttp2_submit_rst_stream()` if frame is PUSH_PROMISE.
* return :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`.
* Again, use ``frame->push_promise.promised_stream_id`` as stream_id
* parameter in `nghttp2_submit_rst_stream()` if frame is
* PUSH_PROMISE.
*
* The implementation of this function must return 0 if it succeeds.
* It can return :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` to
* It can return
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` to
* reset the stream (promised stream if frame is PUSH_PROMISE). For
* critical errors, it must return
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. If the other value is
* returned, it is treated as if :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`
* is returned. If :enum:`NGHTTP2_ERR_CALLBACK_FAILURE` is returned,
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. If the other
* value is returned, it is treated as if
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE` is returned. If
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE` is returned,
* `nghttp2_session_mem_recv()` function will immediately return
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_on_begin_headers_callback()`.
......@@ -1675,16 +1697,17 @@ typedef int (*nghttp2_on_begin_headers_callback)(nghttp2_session *session,
* The |value| of length |valuelen| is header value. The |flags| is
* bitwise OR of one or more of :type:`nghttp2_nv_flag`.
*
* If :enum:`NGHTTP2_NV_FLAG_NO_INDEX` is set in |flags|, the receiver
* must not index this name/value pair when forwarding it to the next
* hop. More specifically, "Literal Header Field never Indexed"
* representation must be used in HPACK encoding.
* If :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_INDEX` is set in
* |flags|, the receiver must not index this name/value pair when
* forwarding it to the next hop. More specifically, "Literal Header
* Field never Indexed" representation must be used in HPACK encoding.
*
* When this callback is invoked, ``frame->hd.type`` is either
* :enum:`NGHTTP2_HEADERS` or :enum:`NGHTTP2_PUSH_PROMISE`. After all
* header name/value pairs are processed with this callback, and no
* error has been detected, :type:`nghttp2_on_frame_recv_callback`
* will be invoked. If there is an error in decompression,
* :enum:`nghttp2_frame_type.NGHTTP2_HEADERS` or
* :enum:`nghttp2_frame_type.NGHTTP2_PUSH_PROMISE`. After all header
* name/value pairs are processed with this callback, and no error has
* been detected, :type:`nghttp2_on_frame_recv_callback` will be
* invoked. If there is an error in decompression,
* :type:`nghttp2_on_frame_recv_callback` for the |frame| will not be
* invoked.
*
......@@ -1702,34 +1725,39 @@ typedef int (*nghttp2_on_begin_headers_callback)(nghttp2_session *session,
* explained in :ref:`http-messaging` section.
*
* If the application uses `nghttp2_session_mem_recv()`, it can return
* :enum:`NGHTTP2_ERR_PAUSE` to make `nghttp2_session_mem_recv()`
* return without processing further input bytes. The memory pointed
* by |frame|, |name| and |value| parameters are retained until
* `nghttp2_session_mem_recv()` or `nghttp2_session_recv()` is called.
* The application must retain the input bytes which was used to
* produce these parameters, because it may refer to the memory region
* included in the input bytes.
*
* Returning :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` will close
* the stream (promised stream if frame is PUSH_PROMISE) by issuing
* RST_STREAM with :enum:`NGHTTP2_INTERNAL_ERROR`. In this case,
* :enum:`nghttp2_error.NGHTTP2_ERR_PAUSE` to make
* `nghttp2_session_mem_recv()` return without processing further
* input bytes. The memory pointed by |frame|, |name| and |value|
* parameters are retained until `nghttp2_session_mem_recv()` or
* `nghttp2_session_recv()` is called. The application must retain
* the input bytes which was used to produce these parameters, because
* it may refer to the memory region included in the input bytes.
*
* Returning
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE` will
* close the stream (promised stream if frame is PUSH_PROMISE) by
* issuing RST_STREAM with
* :enum:`nghttp2_error_code.NGHTTP2_INTERNAL_ERROR`. In this case,
* :type:`nghttp2_on_header_callback` and
* :type:`nghttp2_on_frame_recv_callback` will not be invoked. If a
* different error code is desirable, use
* `nghttp2_submit_rst_stream()` with a desired error code and then
* return :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`. Again, use
* ``frame->push_promise.promised_stream_id`` as stream_id parameter
* in `nghttp2_submit_rst_stream()` if frame is PUSH_PROMISE.
* return :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`.
* Again, use ``frame->push_promise.promised_stream_id`` as stream_id
* parameter in `nghttp2_submit_rst_stream()` if frame is
* PUSH_PROMISE.
*
* The implementation of this function must return 0 if it succeeds.
* It may return :enum:`NGHTTP2_ERR_PAUSE` or
* :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`. For other critical
* failures, it must return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. If
* the other nonzero value is returned, it is treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. If
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE` is returned,
* It may return :enum:`nghttp2_error.NGHTTP2_ERR_PAUSE` or
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`. For
* other critical failures, it must return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. If the other
* nonzero value is returned, it is treated as
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. If
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE` is returned,
* `nghttp2_session_recv()` and `nghttp2_session_mem_recv()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_on_header_callback()`.
......@@ -1796,11 +1824,12 @@ typedef int (*nghttp2_on_header_callback2)(nghttp2_session *session,
*
* With this callback, application inspects the incoming invalid
* field, and it also can reset stream from this callback by returning
* :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`. By default, the
* error code is :enum:`NGHTTP2_PROTOCOL_ERROR`. To change the error
* code, call `nghttp2_submit_rst_stream()` with the error code of
* choice in addition to returning
* :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`.
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`. By
* default, the error code is
* :enum:`nghttp2_error_code.NGHTTP2_PROTOCOL_ERROR`. To change the
* error code, call `nghttp2_submit_rst_stream()` with the error code
* of choice in addition to returning
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`.
*
* If 0 is returned, the header field is ignored, and the stream is
* not reset.
......@@ -1831,11 +1860,12 @@ typedef int (*nghttp2_on_invalid_header_callback)(
*
* With this callback, application inspects the incoming invalid
* field, and it also can reset stream from this callback by returning
* :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`. By default, the
* error code is :enum:`NGHTTP2_INTERNAL_ERROR`. To change the error
* code, call `nghttp2_submit_rst_stream()` with the error code of
* choice in addition to returning
* :enum:`NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`.
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`. By
* default, the error code is
* :enum:`nghttp2_error_code.NGHTTP2_INTERNAL_ERROR`. To change the
* error code, call `nghttp2_submit_rst_stream()` with the error code
* of choice in addition to returning
* :enum:`nghttp2_error.NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE`.
*/
typedef int (*nghttp2_on_invalid_header_callback2)(
nghttp2_session *session, const nghttp2_frame *frame, nghttp2_rcbuf *name,
......@@ -1849,11 +1879,12 @@ typedef int (*nghttp2_on_invalid_header_callback2)(
* |frame|. The application must choose the total length of payload
* including padded bytes in range [frame->hd.length, max_payloadlen],
* inclusive. Choosing number not in this range will be treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. Returning
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. Returning
* ``frame->hd.length`` means no padding is added. Returning
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE` will make
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE` will make
* `nghttp2_session_send()` and `nghttp2_session_mem_send()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_select_padding_callback()`.
......@@ -1873,16 +1904,17 @@ typedef ssize_t (*nghttp2_select_padding_callback)(nghttp2_session *session,
* |remote_max_frame_size|)]. If a value greater than this range is
* returned than the max allow value will be used. Returning a value
* smaller than this range is treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. The |frame_type| is provided
* for future extensibility and identifies the type of frame (see
* :type:`nghttp2_frame_type`) for which to get the length for.
* Currently supported frame types are: :enum:`NGHTTP2_DATA`.
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. The
* |frame_type| is provided for future extensibility and identifies
* the type of frame (see :type:`nghttp2_frame_type`) for which to get
* the length for. Currently supported frame types are:
* :enum:`nghttp2_frame_type.NGHTTP2_DATA`.
*
* This callback can be used to control the length in bytes for which
* :type:`nghttp2_data_source_read_callback` is allowed to send to the
* remote endpoint. This callback is optional. Returning
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE` will signal the entire session
* failure.
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE` will signal the
* entire session failure.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_data_source_read_length_callback()`.
......@@ -1909,7 +1941,8 @@ typedef ssize_t (*nghttp2_data_source_read_length_callback)(
* The implementation of this function must return 0 if it succeeds.
* If nonzero value is returned, it is treated as fatal error and
* `nghttp2_session_recv()` and `nghttp2_session_mem_recv()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*
* To set this callback to :type:`nghttp2_session_callbacks`, use
* `nghttp2_session_callbacks_set_on_begin_frame_callback()`.
......@@ -1928,14 +1961,15 @@ typedef int (*nghttp2_on_begin_frame_callback)(nghttp2_session *session,
* The implementation of this function must return 0 if it succeeds.
*
* To abort processing this extension frame, return
* :enum:`NGHTTP2_ERR_CANCEL`.
* :enum:`nghttp2_error.NGHTTP2_ERR_CANCEL`.
*
* If fatal error occurred, application should return
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. In this case,
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. In this case,
* `nghttp2_session_recv()` and `nghttp2_session_mem_recv()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. If the
* other values are returned, currently they are treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. If the other
* values are returned, currently they are treated as
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*/
typedef int (*nghttp2_on_extension_chunk_recv_callback)(
nghttp2_session *session, const nghttp2_frame_hd *hd, const uint8_t *data,
......@@ -1965,14 +1999,15 @@ typedef int (*nghttp2_on_extension_chunk_recv_callback)(
* |*payload|, and do its own mechanism to process extension frames.
*
* To abort processing this extension frame, return
* :enum:`NGHTTP2_ERR_CANCEL`.
* :enum:`nghttp2_error.NGHTTP2_ERR_CANCEL`.
*
* If fatal error occurred, application should return
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. In this case,
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. In this case,
* `nghttp2_session_recv()` and `nghttp2_session_mem_recv()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. If the
* other values are returned, currently they are treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. If the other
* values are returned, currently they are treated as
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*/
typedef int (*nghttp2_unpack_extension_callback)(nghttp2_session *session,
void **payload,
......@@ -1994,17 +2029,18 @@ typedef int (*nghttp2_unpack_extension_callback)(nghttp2_session *session,
* bytes written into |buf| when it succeeds.
*
* To abort processing this extension frame, return
* :enum:`NGHTTP2_ERR_CANCEL`, and
* :enum:`nghttp2_error.NGHTTP2_ERR_CANCEL`, and
* :type:`nghttp2_on_frame_not_send_callback` will be invoked.
*
* If fatal error occurred, application should return
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. In this case,
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. In this case,
* `nghttp2_session_send()` and `nghttp2_session_mem_send()` functions
* immediately return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. If the
* other values are returned, currently they are treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. If the return value is
* strictly larger than |len|, it is treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`.
* immediately return
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. If the other
* values are returned, currently they are treated as
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. If the return
* value is strictly larger than |len|, it is treated as
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
*/
typedef ssize_t (*nghttp2_pack_extension_callback)(nghttp2_session *session,
uint8_t *buf, size_t len,
......@@ -2029,12 +2065,12 @@ typedef ssize_t (*nghttp2_pack_extension_callback)(nghttp2_session *session,
*
* Normally, application should return 0 from this callback. If fatal
* error occurred while doing something in this callback, application
* should return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. In this case,
* library will return immediately with return value
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. Currently, if nonzero value
* is returned from this callback, they are treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`, but application should not
* rely on this details.
* should return :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
* In this case, library will return immediately with return value
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. Currently, if
* nonzero value is returned from this callback, they are treated as
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`, but application
* should not rely on this details.
*/
typedef int (*nghttp2_error_callback)(nghttp2_session *session, const char *msg,
size_t len, void *user_data);
......@@ -2055,12 +2091,12 @@ typedef int (*nghttp2_error_callback)(nghttp2_session *session, const char *msg,
*
* Normally, application should return 0 from this callback. If fatal
* error occurred while doing something in this callback, application
* should return :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. In this case,
* library will return immediately with return value
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`. Currently, if nonzero value
* is returned from this callback, they are treated as
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`, but application should not
* rely on this details.
* should return :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`.
* In this case, library will return immediately with return value
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`. Currently, if
* nonzero value is returned from this callback, they are treated as
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`, but application
* should not rely on this details.
*/
typedef int (*nghttp2_error_callback2)(nghttp2_session *session,
int lib_error_code, const char *msg,
......@@ -2090,7 +2126,7 @@ typedef struct nghttp2_session_callbacks nghttp2_session_callbacks;
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int
......@@ -2287,7 +2323,7 @@ NGHTTP2_EXTERN void nghttp2_session_callbacks_set_on_begin_frame_callback(
* @function
*
* Sets callback function invoked when
* :enum:`NGHTTP2_DATA_FLAG_NO_COPY` is used in
* :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_NO_COPY` is used in
* :type:`nghttp2_data_source_read_callback` to avoid data copy.
*/
NGHTTP2_EXTERN void nghttp2_session_callbacks_set_send_data_callback(
......@@ -2470,7 +2506,7 @@ typedef struct nghttp2_option nghttp2_option;
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int nghttp2_option_new(nghttp2_option **option_ptr);
......@@ -2531,7 +2567,8 @@ nghttp2_option_set_peer_max_concurrent_streams(nghttp2_option *option,
* If this option is not used or used with zero value, if MAGIC does
* not match :macro:`NGHTTP2_CLIENT_MAGIC`, `nghttp2_session_recv()`
* and `nghttp2_session_mem_recv()` will return error
* :enum:`NGHTTP2_ERR_BAD_CLIENT_MAGIC`, which is fatal error.
* :enum:`nghttp2_error.NGHTTP2_ERR_BAD_CLIENT_MAGIC`, which is fatal
* error.
*/
NGHTTP2_EXTERN void
nghttp2_option_set_no_recv_client_magic(nghttp2_option *option, int val);
......@@ -2616,8 +2653,8 @@ nghttp2_option_set_builtin_recv_extension_type(nghttp2_option *option,
* received. If this option is set to nonzero, the library won't send
* PING frame with ACK flag set in the response for incoming PING
* frame. The application can send PING frame with ACK flag set using
* `nghttp2_submit_ping()` with :enum:`NGHTTP2_FLAG_ACK` as flags
* parameter.
* `nghttp2_submit_ping()` with :enum:`nghttp2_flag.NGHTTP2_FLAG_ACK`
* as flags parameter.
*/
NGHTTP2_EXTERN void nghttp2_option_set_no_auto_ping_ack(nghttp2_option *option,
int val);
......@@ -2631,7 +2668,7 @@ NGHTTP2_EXTERN void nghttp2_option_set_no_auto_ping_ack(nghttp2_option *option,
* `nghttp2_hd_deflate_bound()`. The default value is 64KiB. If
* application attempts to send header fields larger than this limit,
* the transmission of the frame fails with error code
* :enum:`NGHTTP2_ERR_FRAME_SIZE_ERROR`.
* :enum:`nghttp2_error.NGHTTP2_ERR_FRAME_SIZE_ERROR`.
*/
NGHTTP2_EXTERN void
nghttp2_option_set_max_send_header_block_length(nghttp2_option *option,
......@@ -2700,7 +2737,7 @@ NGHTTP2_EXTERN void nghttp2_option_set_max_settings(nghttp2_option *option,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int
......@@ -2726,7 +2763,7 @@ nghttp2_session_client_new(nghttp2_session **session_ptr,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int
......@@ -2752,7 +2789,7 @@ nghttp2_session_server_new(nghttp2_session **session_ptr,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int
......@@ -2778,7 +2815,7 @@ nghttp2_session_client_new2(nghttp2_session **session_ptr,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int
......@@ -2804,7 +2841,7 @@ nghttp2_session_server_new2(nghttp2_session **session_ptr,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int nghttp2_session_client_new3(
......@@ -2829,7 +2866,7 @@ NGHTTP2_EXTERN int nghttp2_session_client_new3(
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int nghttp2_session_server_new3(
......@@ -2853,12 +2890,12 @@ NGHTTP2_EXTERN void nghttp2_session_del(nghttp2_session *session);
* outbound queue and sends it to the remote peer. It does this as
* many times as possible until the user callback
* :type:`nghttp2_send_callback` returns
* :enum:`NGHTTP2_ERR_WOULDBLOCK`, the outbound queue becomes empty
* or flow control is triggered (remote window size becomes depleted
* or maximum number of concurrent streams is reached).
* This function calls several callback functions which are passed
* when initializing the |session|. Here is the simple time chart
* which tells when each callback is invoked:
* :enum:`nghttp2_error.NGHTTP2_ERR_WOULDBLOCK`, the outbound queue
* becomes empty or flow control is triggered (remote window size
* becomes depleted or maximum number of concurrent streams is
* reached). This function calls several callback functions which are
* passed when initializing the |session|. Here is the simple time
* chart which tells when each callback is invoked:
*
* 1. Get the next frame to send from outbound queue.
*
......@@ -2876,7 +2913,7 @@ NGHTTP2_EXTERN void nghttp2_session_del(nghttp2_session *session);
*
* 6. :type:`nghttp2_before_frame_send_callback` is invoked.
*
* 7. If :enum:`NGHTTP2_ERR_CANCEL` is returned from
* 7. If :enum:`nghttp2_error.NGHTTP2_ERR_CANCEL` is returned from
* :type:`nghttp2_before_frame_send_callback`, the current frame
* transmission is canceled, and
* :type:`nghttp2_on_frame_not_send_callback` is invoked. Abort
......@@ -2894,9 +2931,9 @@ NGHTTP2_EXTERN void nghttp2_session_del(nghttp2_session *session);
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`
* The callback function failed.
*/
NGHTTP2_EXTERN int nghttp2_session_send(nghttp2_session *session);
......@@ -2928,7 +2965,7 @@ NGHTTP2_EXTERN int nghttp2_session_send(nghttp2_session *session);
* |*data_ptr| if it succeeds, or one of the following negative error
* codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*
* .. note::
......@@ -2950,8 +2987,8 @@ NGHTTP2_EXTERN ssize_t nghttp2_session_mem_send(nghttp2_session *session,
*
* This function receives as many frames as possible until the user
* callback :type:`nghttp2_recv_callback` returns
* :enum:`NGHTTP2_ERR_WOULDBLOCK`. This function calls several
* callback functions which are passed when initializing the
* :enum:`nghttp2_error.NGHTTP2_ERR_WOULDBLOCK`. This function calls
* several callback functions which are passed when initializing the
* |session|. Here is the simple time chart which tells when each
* callback is invoked:
*
......@@ -2996,18 +3033,18 @@ NGHTTP2_EXTERN ssize_t nghttp2_session_mem_send(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_EOF`
* :enum:`nghttp2_error.NGHTTP2_ERR_EOF`
* The remote peer did shutdown on the connection.
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`
* The callback function failed.
* :enum:`NGHTTP2_ERR_BAD_CLIENT_MAGIC`
* :enum:`nghttp2_error.NGHTTP2_ERR_BAD_CLIENT_MAGIC`
* Invalid client magic was detected. This error only returns
* when |session| was configured as server and
* `nghttp2_option_set_no_recv_client_magic()` is not used with
* nonzero value.
* :enum:`NGHTTP2_ERR_FLOODED`
* :enum:`nghttp2_error.NGHTTP2_ERR_FLOODED`
* Flooding was detected in this HTTP/2 session, and it must be
* closed. This is most likely caused by misbehaviour of peer.
*/
......@@ -3027,26 +3064,26 @@ NGHTTP2_EXTERN int nghttp2_session_recv(nghttp2_session *session);
*
* In the current implementation, this function always tries to
* processes all input data unless either an error occurs or
* :enum:`NGHTTP2_ERR_PAUSE` is returned from
* :enum:`nghttp2_error.NGHTTP2_ERR_PAUSE` is returned from
* :type:`nghttp2_on_header_callback` or
* :type:`nghttp2_on_data_chunk_recv_callback`. If
* :enum:`NGHTTP2_ERR_PAUSE` is used, the return value includes the
* number of bytes which was used to produce the data or frame for the
* callback.
* :enum:`nghttp2_error.NGHTTP2_ERR_PAUSE` is used, the return value
* includes the number of bytes which was used to produce the data or
* frame for the callback.
*
* This function returns the number of processed bytes, or one of the
* following negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_CALLBACK_FAILURE`
* :enum:`nghttp2_error.NGHTTP2_ERR_CALLBACK_FAILURE`
* The callback function failed.
* :enum:`NGHTTP2_ERR_BAD_CLIENT_MAGIC`
* :enum:`nghttp2_error.NGHTTP2_ERR_BAD_CLIENT_MAGIC`
* Invalid client magic was detected. This error only returns
* when |session| was configured as server and
* `nghttp2_option_set_no_recv_client_magic()` is not used with
* nonzero value.
* :enum:`NGHTTP2_ERR_FLOODED`
* :enum:`nghttp2_error.NGHTTP2_ERR_FLOODED`
* Flooding was detected in this HTTP/2 session, and it must be
* closed. This is most likely caused by misbehaviour of peer.
*/
......@@ -3063,9 +3100,9 @@ NGHTTP2_EXTERN ssize_t nghttp2_session_mem_recv(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The stream does not exist; or no deferred data exist.
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int nghttp2_session_resume_data(nghttp2_session *session,
......@@ -3126,7 +3163,7 @@ nghttp2_session_get_stream_user_data(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The stream does not exist
*/
NGHTTP2_EXTERN int
......@@ -3343,7 +3380,7 @@ nghttp2_session_get_hd_deflate_dynamic_table_size(nghttp2_session *session);
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int nghttp2_session_terminate_session(nghttp2_session *session,
......@@ -3370,9 +3407,9 @@ NGHTTP2_EXTERN int nghttp2_session_terminate_session(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |last_stream_id| is invalid.
*/
NGHTTP2_EXTERN int nghttp2_session_terminate_session2(nghttp2_session *session,
......@@ -3387,7 +3424,7 @@ NGHTTP2_EXTERN int nghttp2_session_terminate_session2(nghttp2_session *session,
*
* This function is only usable for server. If this function is
* called with client side session, this function returns
* :enum:`NGHTTP2_ERR_INVALID_STATE`.
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`.
*
* To gracefully shutdown HTTP/2 session, server should call this
* function to send GOAWAY with last_stream_id (1u << 31) - 1. And
......@@ -3409,9 +3446,9 @@ NGHTTP2_EXTERN int nghttp2_session_terminate_session2(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_STATE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`
* The |session| is initialized as client.
*/
NGHTTP2_EXTERN int nghttp2_submit_shutdown_notice(nghttp2_session *session);
......@@ -3446,7 +3483,7 @@ NGHTTP2_EXTERN uint32_t nghttp2_session_get_local_settings(
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |next_stream_id| is strictly less than the value
* `nghttp2_session_get_next_stream_id()` returns; or
* |next_stream_id| is invalid (e.g., even integer for client, or
......@@ -3481,11 +3518,11 @@ nghttp2_session_get_next_stream_id(nghttp2_session *session);
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is 0.
* :enum:`NGHTTP2_ERR_INVALID_STATE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`
* Automatic WINDOW_UPDATE is not disabled.
*/
NGHTTP2_EXTERN int nghttp2_session_consume(nghttp2_session *session,
......@@ -3502,9 +3539,9 @@ NGHTTP2_EXTERN int nghttp2_session_consume(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_STATE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`
* Automatic WINDOW_UPDATE is not disabled.
*/
NGHTTP2_EXTERN int nghttp2_session_consume_connection(nghttp2_session *session,
......@@ -3521,11 +3558,11 @@ NGHTTP2_EXTERN int nghttp2_session_consume_connection(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is 0.
* :enum:`NGHTTP2_ERR_INVALID_STATE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`
* Automatic WINDOW_UPDATE is not disabled.
*/
NGHTTP2_EXTERN int nghttp2_session_consume_stream(nghttp2_session *session,
......@@ -3555,9 +3592,9 @@ NGHTTP2_EXTERN int nghttp2_session_consume_stream(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* Attempted to depend on itself; or no stream exist for the given
* |stream_id|; or |stream_id| is 0
*/
......@@ -3598,9 +3635,9 @@ nghttp2_session_change_stream_priority(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* Attempted to depend on itself; or stream denoted by |stream_id|
* already exists; or |stream_id| cannot be used to create idle
* stream (in other words, local endpoint has already opened
......@@ -3651,11 +3688,11 @@ nghttp2_session_create_idle_stream(nghttp2_session *session, int32_t stream_id,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |settings_payload| is badly formed.
* :enum:`NGHTTP2_ERR_PROTO`
* :enum:`nghttp2_error.NGHTTP2_ERR_PROTO`
* The stream ID 1 is already used or closed; or is not available.
*/
NGHTTP2_EXTERN int nghttp2_session_upgrade(nghttp2_session *session,
......@@ -3695,11 +3732,11 @@ NGHTTP2_EXTERN int nghttp2_session_upgrade(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |settings_payload| is badly formed.
* :enum:`NGHTTP2_ERR_PROTO`
* :enum:`nghttp2_error.NGHTTP2_ERR_PROTO`
* The stream ID 1 is already used or closed; or is not available.
*/
NGHTTP2_EXTERN int nghttp2_session_upgrade2(nghttp2_session *session,
......@@ -3723,10 +3760,10 @@ NGHTTP2_EXTERN int nghttp2_session_upgrade2(nghttp2_session *session,
* This function returns the number of bytes written in |buf|, or one
* of the following negative error codes:
*
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |iv| contains duplicate settings ID or invalid value.
*
* :enum:`NGHTTP2_ERR_INSUFF_BUFSIZE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INSUFF_BUFSIZE`
* The provided |buflen| size is too small to hold the output.
*/
NGHTTP2_EXTERN ssize_t nghttp2_pack_settings_payload(
......@@ -3757,8 +3794,8 @@ NGHTTP2_EXTERN const char *nghttp2_http2_strerror(uint32_t error_code);
* on with |weight| and its exclusive flag. If |exclusive| is
* nonzero, exclusive flag is set.
*
* The |weight| must be in [:enum:`NGHTTP2_MIN_WEIGHT`,
* :enum:`NGHTTP2_MAX_WEIGHT`], inclusive.
* The |weight| must be in [:macro:`NGHTTP2_MIN_WEIGHT`,
* :macro:`NGHTTP2_MAX_WEIGHT`], inclusive.
*/
NGHTTP2_EXTERN void nghttp2_priority_spec_init(nghttp2_priority_spec *pri_spec,
int32_t stream_id,
......@@ -3793,11 +3830,12 @@ nghttp2_priority_spec_check_default(const nghttp2_priority_spec *pri_spec);
* use `nghttp2_priority_spec_init()`. If |pri_spec| is not ``NULL``,
* this function will copy its data members.
*
* The ``pri_spec->weight`` must be in [:enum:`NGHTTP2_MIN_WEIGHT`,
* :enum:`NGHTTP2_MAX_WEIGHT`], inclusive. If ``pri_spec->weight`` is
* strictly less than :enum:`NGHTTP2_MIN_WEIGHT`, it becomes
* :enum:`NGHTTP2_MIN_WEIGHT`. If it is strictly greater than
* :enum:`NGHTTP2_MAX_WEIGHT`, it becomes :enum:`NGHTTP2_MAX_WEIGHT`.
* The ``pri_spec->weight`` must be in [:macro:`NGHTTP2_MIN_WEIGHT`,
* :macro:`NGHTTP2_MAX_WEIGHT`], inclusive. If ``pri_spec->weight``
* is strictly less than :macro:`NGHTTP2_MIN_WEIGHT`, it becomes
* :macro:`NGHTTP2_MIN_WEIGHT`. If it is strictly greater than
* :macro:`NGHTTP2_MAX_WEIGHT`, it becomes
* :macro:`NGHTTP2_MAX_WEIGHT`.
*
* The |nva| is an array of name/value pair :type:`nghttp2_nv` with
* |nvlen| elements. The application is responsible to include
......@@ -3808,12 +3846,12 @@ nghttp2_priority_spec_check_default(const nghttp2_priority_spec *pri_spec);
* This function creates copies of all name/value pairs in |nva|. It
* also lower-cases all names in |nva|. The order of elements in
* |nva| is preserved. For header fields with
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set, header field name
* and value are not copied respectively. With
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME`, application is responsible to
* pass header field name in lowercase. The application should
* maintain the references to them until
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set,
* header field name and value are not copied respectively. With
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME`, application
* is responsible to pass header field name in lowercase. The
* application should maintain the references to them until
* :type:`nghttp2_on_frame_send_callback` or
* :type:`nghttp2_on_frame_not_send_callback` is called.
*
......@@ -3835,15 +3873,15 @@ nghttp2_priority_spec_check_default(const nghttp2_priority_spec *pri_spec);
* This function returns assigned stream ID if it succeeds, or one of
* the following negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE`
* :enum:`nghttp2_error.NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE`
* No stream ID is available because maximum stream ID was
* reached.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* Trying to depend on itself (new stream ID equals
* ``pri_spec->stream_id``).
* :enum:`NGHTTP2_ERR_PROTO`
* :enum:`nghttp2_error.NGHTTP2_ERR_PROTO`
* The |session| is server session.
*
* .. warning::
......@@ -3878,12 +3916,12 @@ NGHTTP2_EXTERN int32_t nghttp2_submit_request(
* This function creates copies of all name/value pairs in |nva|. It
* also lower-cases all names in |nva|. The order of elements in
* |nva| is preserved. For header fields with
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set, header field name
* and value are not copied respectively. With
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME`, application is responsible to
* pass header field name in lowercase. The application should
* maintain the references to them until
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set,
* header field name and value are not copied respectively. With
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME`, application
* is responsible to pass header field name in lowercase. The
* application should maintain the references to them until
* :type:`nghttp2_on_frame_send_callback` or
* :type:`nghttp2_on_frame_not_send_callback` is called.
*
......@@ -3909,16 +3947,16 @@ NGHTTP2_EXTERN int32_t nghttp2_submit_request(
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is 0.
* :enum:`NGHTTP2_ERR_DATA_EXIST`
* :enum:`nghttp2_error.NGHTTP2_ERR_DATA_EXIST`
* DATA or HEADERS has been already submitted and not fully
* processed yet. Normally, this does not happen, but when
* application wrongly calls `nghttp2_submit_response()` twice,
* this may happen.
* :enum:`NGHTTP2_ERR_PROTO`
* :enum:`nghttp2_error.NGHTTP2_ERR_PROTO`
* The |session| is client session.
*
* .. warning::
......@@ -3944,12 +3982,12 @@ nghttp2_submit_response(nghttp2_session *session, int32_t stream_id,
* This function creates copies of all name/value pairs in |nva|. It
* also lower-cases all names in |nva|. The order of elements in
* |nva| is preserved. For header fields with
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set, header field name
* and value are not copied respectively. With
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME`, application is responsible to
* pass header field name in lowercase. The application should
* maintain the references to them until
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set,
* header field name and value are not copied respectively. With
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME`, application
* is responsible to pass header field name in lowercase. The
* application should maintain the references to them until
* :type:`nghttp2_on_frame_send_callback` or
* :type:`nghttp2_on_frame_not_send_callback` is called.
*
......@@ -3961,16 +3999,16 @@ nghttp2_submit_response(nghttp2_session *session, int32_t stream_id,
* |nva| will be sent as response headers, which will result in error.
*
* This function has the same effect with `nghttp2_submit_headers()`,
* with flags = :enum:`NGHTTP2_FLAG_END_STREAM` and both pri_spec and
* stream_user_data to NULL.
* with flags = :enum:`nghttp2_flag.NGHTTP2_FLAG_END_STREAM` and both
* pri_spec and stream_user_data to NULL.
*
* To submit trailer fields after `nghttp2_submit_response()` is
* called, the application has to specify
* :type:`nghttp2_data_provider` to `nghttp2_submit_response()`.
* Inside of :type:`nghttp2_data_source_read_callback`, when setting
* :enum:`NGHTTP2_DATA_FLAG_EOF`, also set
* :enum:`NGHTTP2_DATA_FLAG_NO_END_STREAM`. After that, the
* application can send trailer fields using
* :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_EOF`, also set
* :enum:`nghttp2_data_flag.NGHTTP2_DATA_FLAG_NO_END_STREAM`. After
* that, the application can send trailer fields using
* `nghttp2_submit_trailer()`. `nghttp2_submit_trailer()` can be used
* inside :type:`nghttp2_data_source_read_callback`.
*
......@@ -3978,9 +4016,9 @@ nghttp2_submit_response(nghttp2_session *session, int32_t stream_id,
* Otherwise, this function returns 0 if it succeeds, or one of the
* following negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is 0.
*/
NGHTTP2_EXTERN int nghttp2_submit_trailer(nghttp2_session *session,
......@@ -3993,10 +4031,10 @@ NGHTTP2_EXTERN int nghttp2_submit_trailer(nghttp2_session *session,
* Submits HEADERS frame. The |flags| is bitwise OR of the
* following values:
*
* * :enum:`NGHTTP2_FLAG_END_STREAM`
* * :enum:`nghttp2_flag.NGHTTP2_FLAG_END_STREAM`
*
* If |flags| includes :enum:`NGHTTP2_FLAG_END_STREAM`, this frame has
* END_STREAM flag set.
* If |flags| includes :enum:`nghttp2_flag.NGHTTP2_FLAG_END_STREAM`,
* this frame has END_STREAM flag set.
*
* The library handles the CONTINUATION frame internally and it
* correctly sets END_HEADERS to the last sequence of the PUSH_PROMISE
......@@ -4013,11 +4051,11 @@ NGHTTP2_EXTERN int nghttp2_submit_trailer(nghttp2_session *session,
* use `nghttp2_priority_spec_init()`. If |pri_spec| is not ``NULL``,
* this function will copy its data members.
*
* The ``pri_spec->weight`` must be in [:enum:`NGHTTP2_MIN_WEIGHT`,
* :enum:`NGHTTP2_MAX_WEIGHT`], inclusive. If ``pri_spec->weight`` is
* strictly less than :enum:`NGHTTP2_MIN_WEIGHT`, it becomes
* :enum:`NGHTTP2_MIN_WEIGHT`. If it is strictly greater than
* :enum:`NGHTTP2_MAX_WEIGHT`, it becomes :enum:`NGHTTP2_MAX_WEIGHT`.
* The ``pri_spec->weight`` must be in [:macro:`NGHTTP2_MIN_WEIGHT`,
* :macro:`NGHTTP2_MAX_WEIGHT`], inclusive. If ``pri_spec->weight``
* is strictly less than :macro:`NGHTTP2_MIN_WEIGHT`, it becomes
* :macro:`NGHTTP2_MIN_WEIGHT`. If it is strictly greater than
* :macro:`NGHTTP2_MAX_WEIGHT`, it becomes :macro:`NGHTTP2_MAX_WEIGHT`.
*
* The |nva| is an array of name/value pair :type:`nghttp2_nv` with
* |nvlen| elements. The application is responsible to include
......@@ -4028,12 +4066,12 @@ NGHTTP2_EXTERN int nghttp2_submit_trailer(nghttp2_session *session,
* This function creates copies of all name/value pairs in |nva|. It
* also lower-cases all names in |nva|. The order of elements in
* |nva| is preserved. For header fields with
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set, header field name
* and value are not copied respectively. With
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME`, application is responsible to
* pass header field name in lowercase. The application should
* maintain the references to them until
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set,
* header field name and value are not copied respectively. With
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME`, application
* is responsible to pass header field name in lowercase. The
* application should maintain the references to them until
* :type:`nghttp2_on_frame_send_callback` or
* :type:`nghttp2_on_frame_not_send_callback` is called.
*
......@@ -4051,19 +4089,19 @@ NGHTTP2_EXTERN int nghttp2_submit_trailer(nghttp2_session *session,
* |stream_id| is -1. Otherwise, this function returns 0 if it
* succeeds, or one of the following negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE`
* :enum:`nghttp2_error.NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE`
* No stream ID is available because maximum stream ID was
* reached.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is 0; or trying to depend on itself (stream ID
* equals ``pri_spec->stream_id``).
* :enum:`NGHTTP2_ERR_DATA_EXIST`
* :enum:`nghttp2_error.NGHTTP2_ERR_DATA_EXIST`
* DATA or HEADERS has been already submitted and not fully
* processed yet. This happens if stream denoted by |stream_id|
* is in reserved state.
* :enum:`NGHTTP2_ERR_PROTO`
* :enum:`nghttp2_error.NGHTTP2_ERR_PROTO`
* The |stream_id| is -1, and |session| is server session.
*
* .. warning::
......@@ -4085,8 +4123,8 @@ NGHTTP2_EXTERN int32_t nghttp2_submit_headers(
*
* Submits one or more DATA frames to the stream |stream_id|. The
* data to be sent are provided by |data_prd|. If |flags| contains
* :enum:`NGHTTP2_FLAG_END_STREAM`, the last DATA frame has END_STREAM
* flag set.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_END_STREAM`, the last DATA frame
* has END_STREAM flag set.
*
* This function does not take ownership of the |data_prd|. The
* function copies the members of the |data_prd|.
......@@ -4094,27 +4132,28 @@ NGHTTP2_EXTERN int32_t nghttp2_submit_headers(
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_DATA_EXIST`
* :enum:`nghttp2_error.NGHTTP2_ERR_DATA_EXIST`
* DATA or HEADERS has been already submitted and not fully
* processed yet.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is 0.
* :enum:`NGHTTP2_ERR_STREAM_CLOSED`
* :enum:`nghttp2_error.NGHTTP2_ERR_STREAM_CLOSED`
* The stream was already closed; or the |stream_id| is invalid.
*
* .. note::
*
* Currently, only one DATA or HEADERS is allowed for a stream at a
* time. Submitting these frames more than once before first DATA
* or HEADERS is finished results in :enum:`NGHTTP2_ERR_DATA_EXIST`
* error code. The earliest callback which tells that previous
* frame is done is :type:`nghttp2_on_frame_send_callback`. In side
* that callback, new data can be submitted using
* `nghttp2_submit_data()`. Of course, all data except for last one
* must not have :enum:`NGHTTP2_FLAG_END_STREAM` flag set in
* |flags|. This sounds a bit complicated, and we recommend to use
* or HEADERS is finished results in
* :enum:`nghttp2_error.NGHTTP2_ERR_DATA_EXIST` error code. The
* earliest callback which tells that previous frame is done is
* :type:`nghttp2_on_frame_send_callback`. In side that callback,
* new data can be submitted using `nghttp2_submit_data()`. Of
* course, all data except for last one must not have
* :enum:`nghttp2_flag.NGHTTP2_FLAG_END_STREAM` flag set in |flags|.
* This sounds a bit complicated, and we recommend to use
* `nghttp2_submit_request()` and `nghttp2_submit_response()` to
* avoid this cascading issue. The experience shows that for HTTP
* use, these two functions are enough to implement both client and
......@@ -4131,25 +4170,26 @@ NGHTTP2_EXTERN int nghttp2_submit_data(nghttp2_session *session, uint8_t flags,
* to the priority specification |pri_spec|.
*
* The |flags| is currently ignored and should be
* :enum:`NGHTTP2_FLAG_NONE`.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_NONE`.
*
* The |pri_spec| is priority specification of this request. ``NULL``
* is not allowed for this function. To specify the priority, use
* `nghttp2_priority_spec_init()`. This function will copy its data
* members.
*
* The ``pri_spec->weight`` must be in [:enum:`NGHTTP2_MIN_WEIGHT`,
* :enum:`NGHTTP2_MAX_WEIGHT`], inclusive. If ``pri_spec->weight`` is
* strictly less than :enum:`NGHTTP2_MIN_WEIGHT`, it becomes
* :enum:`NGHTTP2_MIN_WEIGHT`. If it is strictly greater than
* :enum:`NGHTTP2_MAX_WEIGHT`, it becomes :enum:`NGHTTP2_MAX_WEIGHT`.
* The ``pri_spec->weight`` must be in [:macro:`NGHTTP2_MIN_WEIGHT`,
* :macro:`NGHTTP2_MAX_WEIGHT`], inclusive. If ``pri_spec->weight``
* is strictly less than :macro:`NGHTTP2_MIN_WEIGHT`, it becomes
* :macro:`NGHTTP2_MIN_WEIGHT`. If it is strictly greater than
* :macro:`NGHTTP2_MAX_WEIGHT`, it becomes
* :macro:`NGHTTP2_MAX_WEIGHT`.
*
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is 0; or the |pri_spec| is NULL; or trying to
* depend on itself.
*/
......@@ -4167,14 +4207,14 @@ nghttp2_submit_priority(nghttp2_session *session, uint8_t flags,
* The pre-defined error code is one of :enum:`nghttp2_error_code`.
*
* The |flags| is currently ignored and should be
* :enum:`NGHTTP2_FLAG_NONE`.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_NONE`.
*
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is 0.
*/
NGHTTP2_EXTERN int nghttp2_submit_rst_stream(nghttp2_session *session,
......@@ -4189,7 +4229,7 @@ NGHTTP2_EXTERN int nghttp2_submit_rst_stream(nghttp2_session *session,
* indicates the number of :type:`nghttp2_settings_entry`.
*
* The |flags| is currently ignored and should be
* :enum:`NGHTTP2_FLAG_NONE`.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_NONE`.
*
* This function does not take ownership of the |iv|. This function
* copies all the elements in the |iv|.
......@@ -4198,16 +4238,17 @@ NGHTTP2_EXTERN int nghttp2_submit_rst_stream(nghttp2_session *session,
* size becomes strictly larger than NGHTTP2_MAX_WINDOW_SIZE,
* RST_STREAM is issued against such a stream.
*
* SETTINGS with :enum:`NGHTTP2_FLAG_ACK` is automatically submitted
* by the library and application could not send it at its will.
* SETTINGS with :enum:`nghttp2_flag.NGHTTP2_FLAG_ACK` is
* automatically submitted by the library and application could not
* send it at its will.
*
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |iv| contains invalid value (e.g., initial window size
* strictly greater than (1 << 31) - 1.
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int nghttp2_submit_settings(nghttp2_session *session,
......@@ -4235,12 +4276,12 @@ NGHTTP2_EXTERN int nghttp2_submit_settings(nghttp2_session *session,
* This function creates copies of all name/value pairs in |nva|. It
* also lower-cases all names in |nva|. The order of elements in
* |nva| is preserved. For header fields with
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set, header field name
* and value are not copied respectively. With
* :enum:`NGHTTP2_NV_FLAG_NO_COPY_NAME`, application is responsible to
* pass header field name in lowercase. The application should
* maintain the references to them until
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME` and
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_VALUE` are set,
* header field name and value are not copied respectively. With
* :enum:`nghttp2_nv_flag.NGHTTP2_NV_FLAG_NO_COPY_NAME`, application
* is responsible to pass header field name in lowercase. The
* application should maintain the references to them until
* :type:`nghttp2_on_frame_send_callback` or
* :type:`nghttp2_on_frame_not_send_callback` is called.
*
......@@ -4259,18 +4300,18 @@ NGHTTP2_EXTERN int nghttp2_submit_settings(nghttp2_session *session,
* This function returns assigned promised stream ID if it succeeds,
* or one of the following negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_PROTO`
* :enum:`nghttp2_error.NGHTTP2_ERR_PROTO`
* This function was invoked when |session| is initialized as
* client.
* :enum:`NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE`
* :enum:`nghttp2_error.NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE`
* No stream ID is available because maximum stream ID was
* reached.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is 0; The |stream_id| does not designate stream
* that peer initiated.
* :enum:`NGHTTP2_ERR_STREAM_CLOSED`
* :enum:`nghttp2_error.NGHTTP2_ERR_STREAM_CLOSED`
* The stream was already closed; or the |stream_id| is invalid.
*
* .. warning::
......@@ -4299,10 +4340,10 @@ NGHTTP2_EXTERN int32_t nghttp2_submit_push_promise(
*
* The |flags| is bitwise OR of 0 or more of the following value.
*
* * :enum:`NGHTTP2_FLAG_ACK`
* * :enum:`nghttp2_flag.NGHTTP2_FLAG_ACK`
*
* Unless `nghttp2_option_set_no_auto_ping_ack()` is used, the |flags|
* should be :enum:`NGHTTP2_FLAG_NONE`.
* should be :enum:`nghttp2_flag.NGHTTP2_FLAG_NONE`.
*
* If the |opaque_data| is non ``NULL``, then it should point to the 8
* bytes array of memory to specify opaque data to send with PING
......@@ -4312,7 +4353,7 @@ NGHTTP2_EXTERN int32_t nghttp2_submit_push_promise(
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int nghttp2_submit_ping(nghttp2_session *session, uint8_t flags,
......@@ -4327,7 +4368,7 @@ NGHTTP2_EXTERN int nghttp2_submit_ping(nghttp2_session *session, uint8_t flags,
* The pre-defined error code is one of :enum:`nghttp2_error_code`.
*
* The |flags| is currently ignored and should be
* :enum:`NGHTTP2_FLAG_NONE`.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_NONE`.
*
* The |last_stream_id| is peer's stream ID or 0. So if |session| is
* initialized as client, |last_stream_id| must be even or 0. If
......@@ -4357,9 +4398,9 @@ NGHTTP2_EXTERN int nghttp2_submit_ping(nghttp2_session *session, uint8_t flags,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |opaque_data_len| is too large; the |last_stream_id| is
* invalid.
*/
......@@ -4415,7 +4456,7 @@ nghttp2_session_check_server_session(nghttp2_session *session);
* Submits WINDOW_UPDATE frame.
*
* The |flags| is currently ignored and should be
* :enum:`NGHTTP2_FLAG_NONE`.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_NONE`.
*
* The |stream_id| is the stream ID to send this WINDOW_UPDATE. To
* send connection level WINDOW_UPDATE, specify 0 to |stream_id|.
......@@ -4442,9 +4483,9 @@ nghttp2_session_check_server_session(nghttp2_session *session);
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_FLOW_CONTROL`
* :enum:`nghttp2_error.NGHTTP2_ERR_FLOW_CONTROL`
* The local window size overflow or gets negative.
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int nghttp2_submit_window_update(nghttp2_session *session,
......@@ -4462,7 +4503,7 @@ NGHTTP2_EXTERN int nghttp2_submit_window_update(nghttp2_session *session,
* to transmission queue.
*
* The |flags| is currently ignored and should be
* :enum:`NGHTTP2_FLAG_NONE`.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_NONE`.
*
* This sounds similar to `nghttp2_submit_window_update()`, but there
* are 2 differences. The first difference is that this function
......@@ -4481,9 +4522,9 @@ NGHTTP2_EXTERN int nghttp2_submit_window_update(nghttp2_session *session,
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The |stream_id| is negative.
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int
......@@ -4514,18 +4555,19 @@ nghttp2_session_set_local_window_size(nghttp2_session *session, uint8_t flags,
*
* The standard HTTP/2 frame cannot be sent with this function, so
* |type| must be strictly grater than 0x9. Otherwise, this function
* will fail with error code :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`.
* will fail with error code
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`.
*
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_INVALID_STATE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`
* If :type:`nghttp2_pack_extension_callback` is not set.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* If |type| specifies standard HTTP/2 frame type. The frame
* types in the rage [0x0, 0x9], both inclusive, are standard
* HTTP/2 frame type, and cannot be sent using this function.
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory
*/
NGHTTP2_EXTERN int nghttp2_submit_extension(nghttp2_session *session,
......@@ -4539,8 +4581,8 @@ NGHTTP2_EXTERN int nghttp2_submit_extension(nghttp2_session *session,
* extension to HTTP/2. If this frame is received, and
* `nghttp2_option_set_user_recv_extension_type()` is not set, and
* `nghttp2_option_set_builtin_recv_extension_type()` is set for
* :enum:`NGHTTP2_ALTSVC`, ``nghttp2_extension.payload`` will point to
* this struct.
* :enum:`nghttp2_frame_type.NGHTTP2_ALTSVC`,
* ``nghttp2_extension.payload`` will point to this struct.
*
* It has the following members:
*/
......@@ -4574,7 +4616,7 @@ typedef struct {
* `RFC 7383 <https://tools.ietf.org/html/rfc7838#section-4>`_.
*
* The |flags| is currently ignored and should be
* :enum:`NGHTTP2_FLAG_NONE`.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_NONE`.
*
* The |origin| points to the origin this alternative service is
* associated with. The |origin_len| is the length of the origin. If
......@@ -4584,16 +4626,16 @@ typedef struct {
*
* The ALTSVC frame is only usable from server side. If this function
* is invoked with client side session, this function returns
* :enum:`NGHTTP2_ERR_INVALID_STATE`.
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`.
*
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory
* :enum:`NGHTTP2_ERR_INVALID_STATE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`
* The function is called from client side session
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* The sum of |origin_len| and |field_value_len| is larger than
* 16382; or |origin_len| is 0 while |stream_id| is 0; or
* |origin_len| is not 0 while |stream_id| is not 0.
......@@ -4632,8 +4674,8 @@ typedef struct {
* If this frame is received, and
* `nghttp2_option_set_user_recv_extension_type()` is not set, and
* `nghttp2_option_set_builtin_recv_extension_type()` is set for
* :enum:`NGHTTP2_ORIGIN`, ``nghttp2_extension.payload`` will point to
* this struct.
* :enum:`nghttp2_frame_type.NGHTTP2_ORIGIN`,
* ``nghttp2_extension.payload`` will point to this struct.
*
* It has the following members:
*/
......@@ -4657,7 +4699,7 @@ typedef struct {
* `RFC 8336 <https://tools.ietf.org/html/rfc8336>`_.
*
* The |flags| is currently ignored and should be
* :enum:`NGHTTP2_FLAG_NONE`.
* :enum:`nghttp2_flag.NGHTTP2_FLAG_NONE`.
*
* The |ov| points to the array of origins. The |nov| specifies the
* number of origins included in |ov|. This function creates copies
......@@ -4665,13 +4707,13 @@ typedef struct {
*
* The ORIGIN frame is only usable by a server. If this function is
* invoked with client side session, this function returns
* :enum:`NGHTTP2_ERR_INVALID_STATE`.
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`.
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory
* :enum:`NGHTTP2_ERR_INVALID_STATE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`
* The function is called from client side session.
* :enum:`NGHTTP2_ERR_INVALID_ARGUMENT`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_ARGUMENT`
* There are too many origins, or an origin is too large to fit
* into a default frame payload.
*/
......@@ -4831,7 +4873,7 @@ typedef struct nghttp2_hd_deflater nghttp2_hd_deflater;
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int
......@@ -4885,7 +4927,7 @@ NGHTTP2_EXTERN void nghttp2_hd_deflate_del(nghttp2_hd_deflater *deflater);
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int
......@@ -4899,24 +4941,24 @@ nghttp2_hd_deflate_change_table_size(nghttp2_hd_deflater *deflater,
* the |buf| of length |buflen|.
*
* If |buf| is not large enough to store the deflated header block,
* this function fails with :enum:`NGHTTP2_ERR_INSUFF_BUFSIZE`. The
* caller should use `nghttp2_hd_deflate_bound()` to know the upper
* bound of buffer size required to deflate given header name/value
* pairs.
* this function fails with
* :enum:`nghttp2_error.NGHTTP2_ERR_INSUFF_BUFSIZE`. The caller
* should use `nghttp2_hd_deflate_bound()` to know the upper bound of
* buffer size required to deflate given header name/value pairs.
*
* Once this function fails, subsequent call of this function always
* returns :enum:`NGHTTP2_ERR_HEADER_COMP`.
* returns :enum:`nghttp2_error.NGHTTP2_ERR_HEADER_COMP`.
*
* After this function returns, it is safe to delete the |nva|.
*
* This function returns the number of bytes written to |buf| if it
* succeeds, or one of the following negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_HEADER_COMP`
* :enum:`nghttp2_error.NGHTTP2_ERR_HEADER_COMP`
* Deflation process has failed.
* :enum:`NGHTTP2_ERR_INSUFF_BUFSIZE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INSUFF_BUFSIZE`
* The provided |buflen| size is too small to hold the output.
*/
NGHTTP2_EXTERN ssize_t nghttp2_hd_deflate_hd(nghttp2_hd_deflater *deflater,
......@@ -4932,23 +4974,24 @@ NGHTTP2_EXTERN ssize_t nghttp2_hd_deflate_hd(nghttp2_hd_deflater *deflater,
* must be set in len field of :type:`nghttp2_vec`. If and only if
* one chunk is filled up completely, next chunk will be used. If
* |vec| is not large enough to store the deflated header block, this
* function fails with :enum:`NGHTTP2_ERR_INSUFF_BUFSIZE`. The caller
* function fails with
* :enum:`nghttp2_error.NGHTTP2_ERR_INSUFF_BUFSIZE`. The caller
* should use `nghttp2_hd_deflate_bound()` to know the upper bound of
* buffer size required to deflate given header name/value pairs.
*
* Once this function fails, subsequent call of this function always
* returns :enum:`NGHTTP2_ERR_HEADER_COMP`.
* returns :enum:`nghttp2_error.NGHTTP2_ERR_HEADER_COMP`.
*
* After this function returns, it is safe to delete the |nva|.
*
* This function returns the number of bytes written to |vec| if it
* succeeds, or one of the following negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_HEADER_COMP`
* :enum:`nghttp2_error.NGHTTP2_ERR_HEADER_COMP`
* Deflation process has failed.
* :enum:`NGHTTP2_ERR_INSUFF_BUFSIZE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INSUFF_BUFSIZE`
* The provided |buflen| size is too small to hold the output.
*/
NGHTTP2_EXTERN ssize_t nghttp2_hd_deflate_hd_vec(nghttp2_hd_deflater *deflater,
......@@ -5028,7 +5071,7 @@ typedef struct nghttp2_hd_inflater nghttp2_hd_inflater;
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
*/
NGHTTP2_EXTERN int nghttp2_hd_inflate_new(nghttp2_hd_inflater **inflater_ptr);
......@@ -5077,9 +5120,9 @@ NGHTTP2_EXTERN void nghttp2_hd_inflate_del(nghttp2_hd_inflater *inflater);
* This function returns 0 if it succeeds, or one of the following
* negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_INVALID_STATE`
* :enum:`nghttp2_error.NGHTTP2_ERR_INVALID_STATE`
* The function is called while header block is being inflated.
* Probably, application missed to call
* `nghttp2_hd_inflate_end_headers()`.
......@@ -5117,7 +5160,8 @@ typedef enum {
*
* Inflates name/value block stored in |in| with length |inlen|. This
* function performs decompression. For each successful emission of
* header name/value pair, :enum:`NGHTTP2_HD_INFLATE_EMIT` is set in
* header name/value pair,
* :enum:`nghttp2_hd_inflate_flag.NGHTTP2_HD_INFLATE_EMIT` is set in
* |*inflate_flags| and name/value pair is assigned to the |nv_out|
* and the function returns. The caller must not free the members of
* |nv_out|.
......@@ -5140,11 +5184,11 @@ typedef enum {
* This function returns the number of bytes processed if it succeeds,
* or one of the following negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_HEADER_COMP`
* :enum:`nghttp2_error.NGHTTP2_ERR_HEADER_COMP`
* Inflation process has failed.
* :enum:`NGHTTP2_ERR_BUFFER_ERROR`
* :enum:`nghttp2_error.NGHTTP2_ERR_BUFFER_ERROR`
* The header field name or value is too large.
*
* Example follows::
......@@ -5199,7 +5243,8 @@ NGHTTP2_EXTERN ssize_t nghttp2_hd_inflate_hd(nghttp2_hd_inflater *inflater,
*
* Inflates name/value block stored in |in| with length |inlen|. This
* function performs decompression. For each successful emission of
* header name/value pair, :enum:`NGHTTP2_HD_INFLATE_EMIT` is set in
* header name/value pair,
* :enum:`nghttp2_hd_inflate_flag.NGHTTP2_HD_INFLATE_EMIT` is set in
* |*inflate_flags| and name/value pair is assigned to the |nv_out|
* and the function returns. The caller must not free the members of
* |nv_out|.
......@@ -5215,8 +5260,9 @@ NGHTTP2_EXTERN ssize_t nghttp2_hd_inflate_hd(nghttp2_hd_inflater *inflater,
* for the next header block input.
*
* In other words, if |in_final| is nonzero, and this function returns
* |inlen|, you can assert that :enum:`NGHTTP2_HD_INFLATE_FINAL` is
* set in |*inflate_flags|.
* |inlen|, you can assert that
* :enum:`nghttp2_hd_inflate_final.NGHTTP2_HD_INFLATE_FINAL` is set in
* |*inflate_flags|.
*
* The caller can feed complete compressed header block. It also can
* feed it in several chunks. The caller must set |in_final| to
......@@ -5226,11 +5272,11 @@ NGHTTP2_EXTERN ssize_t nghttp2_hd_inflate_hd(nghttp2_hd_inflater *inflater,
* This function returns the number of bytes processed if it succeeds,
* or one of the following negative error codes:
*
* :enum:`NGHTTP2_ERR_NOMEM`
* :enum:`nghttp2_error.NGHTTP2_ERR_NOMEM`
* Out of memory.
* :enum:`NGHTTP2_ERR_HEADER_COMP`
* :enum:`nghttp2_error.NGHTTP2_ERR_HEADER_COMP`
* Inflation process has failed.
* :enum:`NGHTTP2_ERR_BUFFER_ERROR`
* :enum:`nghttp2_error.NGHTTP2_ERR_BUFFER_ERROR`
* The header field name or value is too large.
*
* Example follows::
......@@ -5401,7 +5447,7 @@ typedef enum {
*
* Returns state of |stream|. The root stream retrieved by
* `nghttp2_session_get_root_stream()` will have stream state
* :enum:`NGHTTP2_STREAM_STATE_IDLE`.
* :enum:`nghttp2_stream_proto_state.NGHTTP2_STREAM_STATE_IDLE`.
*/
NGHTTP2_EXTERN nghttp2_stream_proto_state
nghttp2_stream_get_state(nghttp2_stream *stream);
......
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