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Commit e7e95ce3 authored by gauthier's avatar gauthier
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reverting last 2 commits, do it later 

git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7696 818b1a75-f10b-46b9-bf7c-635c3b92a50f
parent a458ab17
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Showing with 41 additions and 195 deletions
common/utils/collection/hashtable/hashtable.c
View file @ e7e95ce3
......@@ -172,19 +172,14 @@ hashtable_rc_t hashtable_apply_funct_on_elements (hash_table_t *const hashtblP,
return HASH_TABLE_OK;
}
//-------------------------------------------------------------------------------------------------------------------------------
hashtable_rc_t hashtable_dump_content (
const hash_table_t * const hashtblP,
char * const buffer_pP,
int * const remaining_bytes_in_buffer_pP)
hashtable_rc_t hashtable_dump_content (const hash_table_t * const hashtblP, char * const buffer_pP, int * const remaining_bytes_in_buffer_pP )
//-------------------------------------------------------------------------------------------------------------------------------
{
hash_node_t *node = NULL;
unsigned int i = 0;
unsigned int num_elements = 0;
int rc;
if (hashtblP == NULL) {
rc = snprintf(
*remaining_bytes_in_buffer_pP = snprintf(
buffer_pP,
*remaining_bytes_in_buffer_pP,
"HASH_TABLE_BAD_PARAMETER_HASHTABLE");
......@@ -194,18 +189,13 @@ hashtable_rc_t hashtable_dump_content (
if (hashtblP->nodes[i] != NULL) {
node=hashtblP->nodes[i];
while(node) {
rc = snprintf(
buffer_pP,
*remaining_bytes_in_buffer_pP,
"Key 0x%"PRIx64" Element %p\n",
node->key,
node->data);
*remaining_bytes_in_buffer_pP = snprintf(
buffer_pP,
*remaining_bytes_in_buffer_pP,
"Key 0x%"PRIx64" Element %p\n",
node->key,
node->data);
node=node->next;
if ((0 > rc) || (*remaining_bytes_in_buffer_pP < rc)) {
fprintf(stderr, "Error while dumping hashtable content");
} else {
*remaining_bytes_in_buffer_pP -= rc;
}
}
}
i += 1;
......@@ -252,10 +242,10 @@ hashtable_rc_t hashtable_insert(hash_table_t * const hashtblP, const hash_key_t
}
//-------------------------------------------------------------------------------------------------------------------------------
/*
* To free an element from the hash table, we just search for it in the linked list for that hash value,
* and free it if it is found. If it was not found, it is an error and -1 is returned.
* To remove an element from the hash table, we just search for it in the linked list for that hash value,
* and remove it if it is found. If it was not found, it is an error and -1 is returned.
*/
hashtable_rc_t hashtable_free(hash_table_t * const hashtblP, const hash_key_t keyP)
hashtable_rc_t hashtable_remove(hash_table_t * const hashtblP, const hash_key_t keyP)
{
hash_node_t *node, *prevnode=NULL;
hash_size_t hash = 0;
......@@ -281,36 +271,6 @@ hashtable_rc_t hashtable_free(hash_table_t * const hashtblP, const hash_key_t ke
}
return HASH_TABLE_KEY_NOT_EXISTS;
}
//-------------------------------------------------------------------------------------------------------------------------------
/*
* To remove an element from the hash table, we just search for it in the linked list for that hash value,
* and remove it if it is found. If it was not found, it is an error and -1 is returned.
*/
hashtable_rc_t hashtable_remove(hash_table_t * const hashtblP, const hash_key_t keyP, void** dataP)
{
hash_node_t *node, *prevnode=NULL;
hash_size_t hash = 0;
if (hashtblP == NULL) {
return HASH_TABLE_BAD_PARAMETER_HASHTABLE;
}
hash=hashtblP->hashfunc(keyP)%hashtblP->size;
node=hashtblP->nodes[hash];
while(node) {
if(node->key == keyP) {
if(prevnode) prevnode->next=node->next;
else hashtblP->nodes[hash]=node->next;
*dataP = node->data;
free(node);
hashtblP->num_elements -= 1;
return HASH_TABLE_OK;
}
prevnode=node;
node=node->next;
}
return HASH_TABLE_KEY_NOT_EXISTS;
}
//-------------------------------------------------------------------------------------------------------------------------------
/*
* Searching for an element is easy. We just search through the linked list for the corresponding hash value.
......@@ -348,7 +308,7 @@ hashtable_rc_t hashtable_get(const hash_table_t * const hashtblP, const hash_key
* If the number of elements are reduced, the hash table will waste memory. That is why we provide a function for resizing the table.
* Resizing a hash table is not as easy as a realloc(). All hash values must be recalculated and each element must be inserted into its new position.
* We create a temporary hash_table_t object (newtbl) to be used while building the new hashes.
* This allows us to reuse hashtable_insert() and hashtable_free(), when moving the elements to the new table.
* This allows us to reuse hashtable_insert() and hashtable_remove(), when moving the elements to the new table.
* After that, we can just free the old table and copy the elements from newtbl to hashtbl.
*/
......@@ -372,7 +332,7 @@ hashtable_rc_t hashtable_resize(hash_table_t * const hashtblP, const hash_size_t
next = node->next;
hashtable_insert(&newtbl, node->key, node->data);
// Lionel GAUTHIER: BAD CODE TO BE REWRITTEN
hashtable_free(hashtblP, node->key);
hashtable_remove(hashtblP, node->key);
}
}
......
common/utils/collection/hashtable/hashtable.h
View file @ e7e95ce3
......@@ -49,9 +49,6 @@ typedef enum hashtable_return_code_e {
HASH_TABLE_CODE_MAX
} hashtable_rc_t;
#define HASH_TABLE_DEFAULT_HASH_FUNC NULL
#define HASH_TABLE_DEFAULT_FREE_FUNC NULL
typedef struct hash_node_s {
hash_key_t key;
......@@ -75,8 +72,7 @@ hashtable_rc_t hashtable_is_key_exists (const hash_table_t * const hashtbl, con
hashtable_rc_t hashtable_apply_funct_on_elements (hash_table_t * const hashtblP, void funct(hash_key_t keyP, void* dataP, void* parameterP), void* parameterP);
hashtable_rc_t hashtable_dump_content (const hash_table_t * const hashtblP, char * const buffer_pP, int * const remaining_bytes_in_buffer_pP );
hashtable_rc_t hashtable_insert (hash_table_t * const hashtbl, const hash_key_t key, void *data);
hashtable_rc_t hashtable_free (hash_table_t * const hashtbl, const hash_key_t key);
hashtable_rc_t hashtable_remove(hash_table_t * const hashtblP, const hash_key_t keyP, void** dataP);
hashtable_rc_t hashtable_remove (hash_table_t * const hashtbl, const hash_key_t key);
hashtable_rc_t hashtable_get (const hash_table_t * const hashtbl, const hash_key_t key, void **dataP);
hashtable_rc_t hashtable_resize (hash_table_t * const hashtbl, const hash_size_t size);
......
common/utils/collection/hashtable/obj_hashtable.c
View file @ e7e95ce3
......@@ -30,7 +30,6 @@
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include "obj_hashtable.h"
//-------------------------------------------------------------------------------------------------------------------------------
/*
......@@ -39,11 +38,11 @@
* This is a simple/naive hash function which adds the key's ASCII char values. It will probably generate lots of collisions on large hash tables.
*/
static hash_size_t def_hashfunc(const void * const keyP, int key_sizeP)
static hash_size_t def_hashfunc(const void *keyP, int key_sizeP)
{
hash_size_t hash=0;
while(key_sizeP) hash^=((unsigned char*)keyP)[--key_sizeP];
while(key_sizeP) hash^=((unsigned char*)keyP)[key_sizeP --];
return hash;
}
......@@ -55,7 +54,7 @@ static hash_size_t def_hashfunc(const void * const keyP, int key_sizeP)
* The user can also specify a hash function. If the hashfunc argument is NULL, a default hash function is used.
* If an error occurred, NULL is returned. All other values in the returned obj_hash_table_t pointer should be released with hashtable_destroy().
*/
obj_hash_table_t *obj_hashtable_create(const hash_size_t sizeP, hash_size_t (*hashfuncP)(const void*, int ), void (*freekeyfuncP)(void*), void (*freedatafuncP)(void*))
obj_hash_table_t *obj_hashtable_create(hash_size_t sizeP, hash_size_t (*hashfuncP)(const void*, int ), void (*freekeyfuncP)(void*), void (*freedatafuncP)(void*))
{
obj_hash_table_t *hashtbl;
......@@ -84,7 +83,7 @@ obj_hash_table_t *obj_hashtable_create(const hash_size_t sizeP, hash_size_t (*ha
* Cleanup
* The hashtable_destroy() walks through the linked lists for each possible hash value, and releases the elements. It also releases the nodes array and the obj_hash_table_t.
*/
hashtable_rc_t obj_hashtable_destroy(obj_hash_table_t * const hashtblP)
hashtable_rc_t obj_hashtable_destroy(obj_hash_table_t *hashtblP)
{
hash_size_t n;
obj_hash_node_t *node, *oldnode;
......@@ -104,7 +103,7 @@ hashtable_rc_t obj_hashtable_destroy(obj_hash_table_t * const hashtblP)
return HASH_TABLE_OK;
}
//-------------------------------------------------------------------------------------------------------------------------------
hashtable_rc_t obj_hashtable_is_key_exists (const obj_hash_table_t * const hashtblP, const void* const keyP, const int key_sizeP)
hashtable_rc_t obj_hashtable_is_key_exists (obj_hash_table_t *hashtblP, void* keyP, int key_sizeP)
//-------------------------------------------------------------------------------------------------------------------------------
{
obj_hash_node_t *node;
......@@ -127,55 +126,12 @@ hashtable_rc_t obj_hashtable_is_key_exists (const obj_hash_table_t * const hasht
}
return HASH_TABLE_KEY_NOT_EXISTS;
}
//-------------------------------------------------------------------------------------------------------------------------------
hashtable_rc_t obj_hashtable_dump_content (
const obj_hash_table_t * const hashtblP,
char * const buffer_pP,
int * const remaining_bytes_in_buffer_pP)
//-------------------------------------------------------------------------------------------------------------------------------
{
obj_hash_node_t *node = NULL;
unsigned int i = 0;
unsigned int num_elements = 0;
int rc;
if (hashtblP == NULL) {
rc = snprintf(
buffer_pP,
*remaining_bytes_in_buffer_pP,
"HASH_TABLE_BAD_PARAMETER_HASHTABLE");
return HASH_TABLE_BAD_PARAMETER_HASHTABLE;
}
while ((i < hashtblP->size) && (*remaining_bytes_in_buffer_pP > 0)) {
if (hashtblP->nodes[i] != NULL) {
node=hashtblP->nodes[i];
while(node) {
rc = snprintf(
buffer_pP,
*remaining_bytes_in_buffer_pP,
"Hash 0x%x Key 0x%"PRIx64" Element %p\n",
i,
node->key,
node->data);
node=node->next;
if ((0 > rc) || (*remaining_bytes_in_buffer_pP < rc)) {
fprintf(stderr, "Error while dumping hashtable content");
} else {
*remaining_bytes_in_buffer_pP -= rc;
}
}
}
i += 1;
}
return HASH_TABLE_OK;
}
//-------------------------------------------------------------------------------------------------------------------------------
/*
* Adding a new element
* To make sure the hash value is not bigger than size, the result of the user provided hash function is used modulo size.
*/
hashtable_rc_t obj_hashtable_insert(obj_hash_table_t * const hashtblP, const void* const keyP, const int key_sizeP, void *dataP)
hashtable_rc_t obj_hashtable_insert(obj_hash_table_t *hashtblP, void* keyP, int key_sizeP, void *dataP)
{
obj_hash_node_t *node;
hash_size_t hash;
......@@ -190,21 +146,15 @@ hashtable_rc_t obj_hashtable_insert(obj_hash_table_t * const hashtblP, const voi
if (node->data) {
hashtblP->freedatafunc(node->data);
}
node->data = dataP;
node->key_size = key_sizeP;
node->data=dataP;
// waste of memory here (keyP is lost) we should free it now
return HASH_TABLE_INSERT_OVERWRITTEN_DATA;
}
node=node->next;
}
if(!(node=malloc(sizeof(obj_hash_node_t)))) return -1;
if(!(node->key=malloc(key_sizeP))) {
free(node);
return -1;
}
memcpy(node->key, keyP, key_sizeP);
node->data = dataP;
node->key_size = key_sizeP;
node->key=keyP;
node->data=dataP;
if (hashtblP->nodes[hash]) {
node->next=hashtblP->nodes[hash];
} else {
......@@ -212,45 +162,13 @@ hashtable_rc_t obj_hashtable_insert(obj_hash_table_t * const hashtblP, const voi
}
hashtblP->nodes[hash]=node;
return HASH_TABLE_OK;
}//-------------------------------------------------------------------------------------------------------------------------------
/*
* To remove an element from the hash table, we just search for it in the linked list for that hash value,
* and remove it if it is found. If it was not found, it is an error and -1 is returned.
*/
hashtable_rc_t obj_hashtable_free(obj_hash_table_t * const hashtblP, const void* const keyP, const int key_sizeP)
{
obj_hash_node_t *node, *prevnode=NULL;
hash_size_t hash;
if (hashtblP == NULL) {
return HASH_TABLE_BAD_PARAMETER_HASHTABLE;
}
hash=hashtblP->hashfunc(keyP, key_sizeP)%hashtblP->size;
node=hashtblP->nodes[hash];
while(node) {
if ((node->key == keyP) || ((node->key_size == key_sizeP) && (memcmp(node->key, keyP, key_sizeP) == 0))){
if(prevnode) {
prevnode->next=node->next;
} else {
hashtblP->nodes[hash]=node->next;
}
hashtblP->freekeyfunc(node->key);
hashtblP->freedatafunc(node->data);
free(node);
return HASH_TABLE_OK;
}
prevnode=node;
node=node->next;
}
return HASH_TABLE_KEY_NOT_EXISTS;
}
//-------------------------------------------------------------------------------------------------------------------------------
/*
* To remove an element from the hash table, we just search for it in the linked list for that hash value,
* and remove it if it is found. If it was not found, it is an error and -1 is returned.
*/
hashtable_rc_t obj_hashtable_remove(obj_hash_table_t * const hashtblP, const void* const keyP, const int key_sizeP, void** dataP)
hashtable_rc_t obj_hashtable_remove(obj_hash_table_t *hashtblP, const void* keyP, int key_sizeP)
{
obj_hash_node_t *node, *prevnode=NULL;
hash_size_t hash;
......@@ -269,7 +187,7 @@ hashtable_rc_t obj_hashtable_remove(obj_hash_table_t * const hashtblP, const voi
hashtblP->nodes[hash]=node->next;
}
hashtblP->freekeyfunc(node->key);
*dataP = node->data;
hashtblP->freedatafunc(node->data);
free(node);
return HASH_TABLE_OK;
}
......@@ -283,7 +201,7 @@ hashtable_rc_t obj_hashtable_remove(obj_hash_table_t * const hashtblP, const voi
* Searching for an element is easy. We just search through the linked list for the corresponding hash value.
* NULL is returned if we didn't find it.
*/
hashtable_rc_t obj_hashtable_get(const obj_hash_table_t *const hashtblP, const void* const keyP, const int key_sizeP, void** dataP)
hashtable_rc_t obj_hashtable_get(obj_hash_table_t *hashtblP, const void* keyP, int key_sizeP, void** dataP)
{
obj_hash_node_t *node;
hash_size_t hash;
......@@ -313,7 +231,7 @@ hashtable_rc_t obj_hashtable_get(const obj_hash_table_t *const hashtblP, const v
/*
* Function to return all keys of an object hash table
*/
hashtable_rc_t obj_hashtable_get_keys(const obj_hash_table_t * const hashtblP, void ** keysP, unsigned int * sizeP)
hashtable_rc_t obj_hashtable_get_keys(obj_hash_table_t *hashtblP, void ** keysP, unsigned int *sizeP)
{
size_t n = 0;
obj_hash_node_t *node = NULL;
......@@ -340,10 +258,10 @@ hashtable_rc_t obj_hashtable_get_keys(const obj_hash_table_t * const hashtblP, v
* If the number of elements are reduced, the hash table will waste memory. That is why we provide a function for resizing the table.
* Resizing a hash table is not as easy as a realloc(). All hash values must be recalculated and each element must be inserted into its new position.
* We create a temporary obj_hash_table_t object (newtbl) to be used while building the new hashes.
* This allows us to reuse hashtable_insert() and hashtable_free(), when moving the elements to the new table.
* This allows us to reuse hashtable_insert() and hashtable_remove(), when moving the elements to the new table.
* After that, we can just free the old table and copy the elements from newtbl to hashtbl.
*/
hashtable_rc_t obj_hashtable_resize(obj_hash_table_t * const hashtblP, const hash_size_t sizeP)
hashtable_rc_t obj_hashtable_resize(obj_hash_table_t *hashtblP, hash_size_t sizeP)
{
obj_hash_table_t newtbl;
hash_size_t n;
......@@ -362,7 +280,7 @@ hashtable_rc_t obj_hashtable_resize(obj_hash_table_t * const hashtblP, const has
for(node=hashtblP->nodes[n]; node; node=next) {
next = node->next;
obj_hashtable_insert(&newtbl, node->key, node->key_size, node->data);
obj_hashtable_free(hashtblP, node->key, node->key_size);
obj_hashtable_remove(hashtblP, node->key, node->key_size);
}
}
......
common/utils/collection/hashtable/obj_hashtable.h
View file @ e7e95ce3
......@@ -52,16 +52,14 @@ typedef struct obj_hash_table_s {
void (*freedatafunc)(void*);
} obj_hash_table_t;
obj_hash_table_t *obj_hashtable_create (const hash_size_t size, hash_size_t (*hashfunc)(const void*, int ), void (*freekeyfunc)(void*), void (*freedatafunc)(void*));
hashtable_rc_t obj_hashtable_destroy (obj_hash_table_t * const hashtblP);
hashtable_rc_t obj_hashtable_is_key_exists (const obj_hash_table_t * const hashtblP, const void* const keyP, const int key_sizeP);
hashtable_rc_t obj_hashtable_insert (obj_hash_table_t * const hashtblP, const void* const keyP, const int key_sizeP, void *dataP);
hashtable_rc_t obj_hashtable_dump_content (const obj_hash_table_t * const hashtblP,char * const buffer_pP,int * const remaining_bytes_in_buffer_pP);
hashtable_rc_t obj_hashtable_free (obj_hash_table_t *hashtblP, const void* keyP, const int key_sizeP);
hashtable_rc_t obj_hashtable_remove(obj_hash_table_t *hashtblP, const void* keyP, const int key_sizeP, void** dataP);
hashtable_rc_t obj_hashtable_get (const obj_hash_table_t * const hashtblP, const void* const keyP, const int key_sizeP, void ** dataP);
hashtable_rc_t obj_hashtable_get_keys(const obj_hash_table_t * const hashtblP, void ** keysP, unsigned int * sizeP);
hashtable_rc_t obj_hashtable_resize (obj_hash_table_t * const hashtblP, const hash_size_t sizeP);
obj_hash_table_t *obj_hashtable_create (hash_size_t size, hash_size_t (*hashfunc)(const void*, int ), void (*freekeyfunc)(void*), void (*freedatafunc)(void*));
hashtable_rc_t obj_hashtable_destroy (obj_hash_table_t *hashtblP);
hashtable_rc_t obj_hashtable_is_key_exists (obj_hash_table_t *hashtblP, void* keyP, int key_sizeP);
hashtable_rc_t obj_hashtable_insert (obj_hash_table_t *hashtblP, void* keyP, int key_sizeP, void *dataP);
hashtable_rc_t obj_hashtable_remove (obj_hash_table_t *hashtblP, const void* keyP, int key_sizeP);
hashtable_rc_t obj_hashtable_get (obj_hash_table_t *hashtblP, const void* keyP, int key_sizeP, void ** dataP);
hashtable_rc_t obj_hashtable_get_keys(obj_hash_table_t *hashtblP, void ** keysP, unsigned int *sizeP);
hashtable_rc_t obj_hashtable_resize (obj_hash_table_t *hashtblP, hash_size_t sizeP);
#endif
openair-cn/SGW-LITE/sgw_lite_context_manager.c
View file @ e7e95ce3
......@@ -194,7 +194,7 @@ int sgw_lite_cm_remove_s11_tunnel(Teid_t local_teid)
{
int temp;
temp = hashtable_free(sgw_app.s11teid2mme_hashtable, local_teid);
temp = hashtable_remove(sgw_app.s11teid2mme_hashtable, local_teid);
return temp;
}
......@@ -321,7 +321,7 @@ s_plus_p_gw_eps_bearer_context_information_t * sgw_lite_cm_create_bearer_context
int sgw_lite_cm_remove_bearer_context_information(Teid_t teid)
{
int temp;
temp = hashtable_free(sgw_app.s11_bearer_context_information_hashtable, teid);
temp = hashtable_remove(sgw_app.s11_bearer_context_information_hashtable, teid);
return temp;
}
......@@ -379,7 +379,7 @@ int sgw_lite_cm_remove_eps_bearer_entry(hash_table_t *eps_bearersP, ebi_t eps_be
return -1;
}
temp = hashtable_free(eps_bearersP, eps_bearer_idP);
temp = hashtable_remove(eps_bearersP, eps_bearer_idP);
return temp;
}
......
openair-cn/SGW-LITE/sgw_lite_handlers.c
View file @ e7e95ce3
......@@ -1178,26 +1178,7 @@ sgw_lite_handle_delete_session_request(
return -1;
}
/*
* Callback of hashtable_apply_funct_on_elements()
*/
static void sgw_lite_release_all_enb_related_information(hash_key_t keyP, void* dataP, void* parameterP)
{
sgw_eps_bearer_entry_t *eps_bearer_entry_p = (sgw_eps_bearer_entry_t*)dataP;
if (NULL != eps_bearer_entry_p) {
memset(&eps_bearer_entry_p->enb_ip_address_for_S1u,0, sizeof(eps_bearer_entry_p->enb_ip_address_for_S1u));
eps_bearer_entry_p->enb_teid_for_S1u = 0;
}
}
/* From GPP TS 23.401 version 11.11.0 Release 11, section 5.3.5 S1 release procedure:
* The S-GW releases all eNodeB related information (address and TEIDs) for the UE and responds with a Release
* Access Bearers Response message to the MME. Other elements of the UE's S-GW context are not affected. The
* S-GW retains the S1-U configuration that the S-GW allocated for the UE's bearers. The S-GW starts buffering
* downlink packets received for the UE and initiating the "Network Triggered Service Request" procedure,
* described in clause 5.3.4.3, if downlink packets arrive for the UE.
*/
int
sgw_lite_handle_release_access_bearers_request(
const SgwReleaseAccessBearersRequest * const release_access_bearers_req_pP)
......@@ -1230,14 +1211,7 @@ sgw_lite_handle_release_access_bearers_request(
release_access_bearers_resp_p->cause = REQUEST_ACCEPTED;
release_access_bearers_resp_p->teid = ctx_p->sgw_eps_bearer_context_information.mme_teid_for_S11;
#warning "TODO Here the release (sgw_lite_handle_release_access_bearers_request)"
hash_rc = hashtable_apply_funct_on_elements(ctx_p->sgw_eps_bearer_context_information.pdn_connection.sgw_eps_bearers,
sgw_lite_release_all_enb_related_information,
NULL);
// TODO The S-GW starts buffering downlink packets received for the UE
// (set target on GTPUSP to order the buffering)
MSC_LOG_TX_MESSAGE(
MSC_SP_GWAPP_MME,
......
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