Add a way to support multiple threads.

git-svn-id: https://protobuf-c.googlecode.com/svn/trunk@289 00440858-1255-0410-a3e6-75ea37f81c3a

ChangeLog

@@ -3,6 +3,7 @@
         as packed-repeated whenever it makes sense (for all types
         other than messages, strings, and bytes).
       - switch to New BSD license.
+      - add protobuf_c_rpc_server_configure_threading()
 
 0.15:
       - make protobuf_c_message_init() into a function (Issue #49, daveb)

src/google/protobuf-c/protobuf-c-rpc.h

@@ -26,6 +26,7 @@ typedef enum
   PROTOBUF_C_ERROR_CODE_CONNECTION_REFUSED,
   PROTOBUF_C_ERROR_CODE_CLIENT_TERMINATED,
   PROTOBUF_C_ERROR_CODE_BAD_REQUEST,
+  PROTOBUF_C_ERROR_CODE_PROXY_PROBLEM
 } ProtobufC_RPC_Error_Code;
 
 typedef enum
@@ -104,6 +105,7 @@ ProtobufC_RPC_Server *
                                        ProtobufCService         *service,
                                        ProtobufCDispatch       *dispatch /* or NULL */
                                       );
+
 ProtobufCService *
      protobuf_c_rpc_server_destroy    (ProtobufC_RPC_Server     *server,
                                        protobuf_c_boolean        free_underlying_service);
@@ -118,6 +120,15 @@ void protobuf_c_rpc_server_disable_autotimeout(ProtobufC_RPC_Server *server);
 void protobuf_c_rpc_server_set_autotimeout (ProtobufC_RPC_Server *server,
                                             unsigned              timeout_millis);
 
+typedef protobuf_c_boolean
+          (*ProtobufC_RPC_IsRpcThreadFunc) (ProtobufC_RPC_Server *server,
+                                            ProtobufCDispatch    *dispatch,
+                                            void                 *is_rpc_data);
+void protobuf_c_rpc_server_configure_threading (ProtobufC_RPC_Server *server,
+                                                ProtobufC_RPC_IsRpcThreadFunc func,
+                                                void          *is_rpc_data);
+
+
 /* Error handling */
 void protobuf_c_rpc_server_set_error_handler (ProtobufC_RPC_Server *server,
                                               ProtobufC_RPC_Error_Func func,

src/test/example-client.c

@@ -4,6 +4,7 @@
 #include <string.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <signal.h>
 #include "generated-code/test.pb-c.h"
 #include <google/protobuf-c/protobuf-c-rpc.h>
 
@@ -144,6 +145,8 @@ int main(int argc, char**argv)
 
   if (name == NULL)
     die ("missing --tcp=HOST:PORT or --unix=PATH");
+
+  signal (SIGPIPE, SIG_IGN);
   
   service = protobuf_c_rpc_client_new (address_type, name, &foo__dir_lookup__descriptor, NULL);
   if (service == NULL)

src/test/example-server.c

@@ -3,6 +3,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
+#include <signal.h>
 #include <stdlib.h>
 #include "generated-code/test.pb-c.h"
 #include <google/protobuf-c/protobuf-c-rpc.h>
@@ -254,6 +255,8 @@ int main(int argc, char**argv)
   if (name == NULL)
     die ("missing --port=NUM or --unix=PATH");
   
+  signal (SIGPIPE, SIG_IGN);
+
   server = protobuf_c_rpc_server_new (address_type, name, (ProtobufCService *) &the_dir_lookup_service, NULL);
 
   for (;;)

src/test/test-rpc.c

@@ -2,6 +2,7 @@
 #include <string.h>
 #include <stdarg.h>
 #include <stdio.h>
+#include <signal.h>
 #include "generated-code/test.pb-c.h"
 #include <google/protobuf-c/protobuf-c-rpc.h>
 
@@ -163,6 +164,14 @@ set_boolean_true (ProtobufCDispatch *dispatch,
   * (protobuf_c_boolean *) func_data = 1;
 }
 
+static protobuf_c_boolean
+pretend_we_are_in_another_thread (ProtobufC_RPC_Server *server,
+                                  ProtobufCDispatch    *dispatch,
+                                  void                 *data)
+{
+  return 0;             /* indicate we are NOT in RPC thread */
+}
+
 int main()
 {
   protobuf_c_boolean is_done;
@@ -171,6 +180,8 @@ int main()
   ProtobufC_RPC_Client *client;
   ProtobufC_RPC_Server *server;
 
+  signal (SIGPIPE, SIG_IGN);
+
   message ("testing local service");
   test_service (local_service);
 
@@ -250,6 +261,10 @@ int main()
   message ("testing client again");
   test_service (remote_service);
 
+  message ("testing client again (simulating threaded environment)");
+  protobuf_c_rpc_server_configure_threading (server, pretend_we_are_in_another_thread, NULL);
+  test_service (remote_service);
+
   /* Destroy the client */
   message ("destroying client");
   protobuf_c_service_destroy (remote_service);