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Converts locking for odbc containers from ast_mutex_lock to ao2_locks.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@357051 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jonathan Rose
2012-02-27 19:55:14 +00:00
parent c20cfcdcf0
commit e37631d071
2 changed files with 19 additions and 24 deletions
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1
include/asterisk/res_odbc.h
View File

@@ -44,7 +44,6 @@ enum {
/*! \brief ODBC container */
struct odbc_obj {
ast_mutex_t lock;
SQLHDBC con; /*!< ODBC Connection Handle */
struct odbc_class *parent; /*!< Information about the connection is protected */
struct timeval last_used; /*!< Used by idlecheck to determine if the connection should be renegotiated */

42
res/res_odbc.c
View File

@@ -416,7 +416,6 @@ static void odbc_obj_destructor(void *data)
struct odbc_class *class = obj->parent;
obj->parent = NULL;
odbc_obj_disconnect(obj);
ast_mutex_destroy(&obj->lock);
ao2_ref(class, -1);
}
@@ -473,7 +472,7 @@ struct odbc_cache_tables *ast_odbc_find_table(const char *database, const char *
}
/* Table structure not already cached; build it now. */
ast_mutex_lock(&obj->lock);
ao2_lock(obj);
do {
res = SQLAllocHandle(SQL_HANDLE_STMT, obj->con, &stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
@@ -544,7 +543,7 @@ struct odbc_cache_tables *ast_odbc_find_table(const char *database, const char *
AST_RWLIST_RDLOCK(&(tableptr->columns));
break;
} while (1);
ast_mutex_unlock(&obj->lock);
ao2_unlock(obj);
AST_RWLIST_UNLOCK(&odbc_tables);
@@ -591,7 +590,7 @@ SQLHSTMT ast_odbc_direct_execute(struct odbc_obj *obj, SQLHSTMT (*exec_cb)(struc
int attempt;
SQLHSTMT stmt;
ast_mutex_lock(&obj->lock);
ao2_lock(obj);
for (attempt = 0; attempt < 2; attempt++) {
stmt = exec_cb(obj, data);
@@ -609,7 +608,7 @@ SQLHSTMT ast_odbc_direct_execute(struct odbc_obj *obj, SQLHSTMT (*exec_cb)(struc
}
}
ast_mutex_unlock(&obj->lock);
ao2_unlock(obj);
return stmt;
}
@@ -622,7 +621,7 @@ SQLHSTMT ast_odbc_prepare_and_execute(struct odbc_obj *obj, SQLHSTMT (*prepare_c
unsigned char state[10], diagnostic[256];
SQLHSTMT stmt;
ast_mutex_lock(&obj->lock);
ao2_lock(obj);
for (attempt = 0; attempt < 2; attempt++) {
/* This prepare callback may do more than just prepare -- it may also
@@ -674,7 +673,7 @@ SQLHSTMT ast_odbc_prepare_and_execute(struct odbc_obj *obj, SQLHSTMT (*prepare_c
}
}
ast_mutex_unlock(&obj->lock);
ao2_unlock(obj);
return stmt;
}
@@ -686,7 +685,7 @@ int ast_odbc_smart_execute(struct odbc_obj *obj, SQLHSTMT stmt)
SQLSMALLINT diagbytes=0;
unsigned char state[10], diagnostic[256];
ast_mutex_lock(&obj->lock);
ao2_lock(obj);
res = SQLExecute(stmt);
if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO) && (res != SQL_NO_DATA)) {
@@ -705,7 +704,7 @@ int ast_odbc_smart_execute(struct odbc_obj *obj, SQLHSTMT stmt)
obj->last_used = ast_tvnow();
}
ast_mutex_unlock(&obj->lock);
ao2_unlock(obj);
return res;
}
@@ -981,7 +980,7 @@ static char *handle_cli_odbc_show(struct ast_cli_entry *e, int cmd, struct ast_c
ast_cli(a->fd, " Pooled: Yes\n Limit: %d\n Connections in use: %d\n", class->limit, class->count);
while ((current = ao2_iterator_next(&aoi2))) {
ast_mutex_lock(&current->lock);
ao2_lock(current);
#ifdef DEBUG_THREADS
ast_cli(a->fd, " - Connection %d: %s (%s:%d %s)\n", ++count,
current->used ? "in use" :
@@ -992,7 +991,7 @@ static char *handle_cli_odbc_show(struct ast_cli_entry *e, int cmd, struct ast_c
current->used ? "in use" :
current->up && ast_odbc_sanity_check(current) ? "connected" : "disconnected");
#endif
ast_mutex_unlock(&current->lock);
ao2_unlock(current);
ao2_ref(current, -1);
}
ao2_iterator_destroy(&aoi2);
@@ -1202,13 +1201,13 @@ static int aoro2_class_cb(void *obj, void *arg, int flags)
static int aoro2_obj_cb(void *vobj, void *arg, int flags)
{
struct odbc_obj *obj = vobj;
ast_mutex_lock(&obj->lock);
ao2_lock(obj);
if ((arg == NO_TX && !obj->tx) || (arg == EOR_TX && !obj->used) || (arg == USE_TX && obj->tx && !obj->used)) {
obj->used = 1;
ast_mutex_unlock(&obj->lock);
ao2_unlock(obj);
return CMP_MATCH | CMP_STOP;
}
ast_mutex_unlock(&obj->lock);
ao2_unlock(obj);
return 0;
}
@@ -1257,7 +1256,6 @@ struct odbc_obj *_ast_odbc_request_obj2(const char *name, struct ast_flags flags
return NULL;
}
ast_assert(ao2_ref(obj, 0) == 1);
ast_mutex_init(&obj->lock);
/* obj inherits the outstanding reference to class */
obj->parent = class;
class = NULL;
@@ -1286,7 +1284,7 @@ struct odbc_obj *_ast_odbc_request_obj2(const char *name, struct ast_flags flags
return NULL;
}
ast_mutex_lock(&obj->lock);
ao2_lock(obj);
if (ast_test_flag(&flags, RES_ODBC_INDEPENDENT_CONNECTION)) {
/* Ensure this connection has autocommit turned off. */
@@ -1312,7 +1310,6 @@ struct odbc_obj *_ast_odbc_request_obj2(const char *name, struct ast_flags flags
ast_debug(3, "Unable to allocate object\n");
return NULL;
}
ast_mutex_init(&obj->lock);
/* obj inherits the outstanding reference to class */
obj->parent = class;
class = NULL;
@@ -1331,7 +1328,7 @@ struct odbc_obj *_ast_odbc_request_obj2(const char *name, struct ast_flags flags
return NULL;
}
ast_mutex_lock(&obj->lock);
ao2_lock(obj);
if (SQLSetConnectAttr(obj->con, SQL_ATTR_AUTOCOMMIT, (void *)SQL_AUTOCOMMIT_OFF, 0) == SQL_ERROR) {
SQLGetDiagField(SQL_HANDLE_DBC, obj->con, 1, SQL_DIAG_NUMBER, &numfields, SQL_IS_INTEGER, &diagbytes);
@@ -1359,7 +1356,6 @@ struct odbc_obj *_ast_odbc_request_obj2(const char *name, struct ast_flags flags
ast_debug(3, "Unable to allocate object\n");
return NULL;
}
ast_mutex_init(&obj->lock);
/* obj inherits the outstanding reference to class */
obj->parent = class;
class = NULL;
@@ -1377,7 +1373,7 @@ struct odbc_obj *_ast_odbc_request_obj2(const char *name, struct ast_flags flags
return NULL;
}
ast_mutex_lock(&obj->lock);
ao2_lock(obj);
if (SQLSetConnectAttr(obj->con, SQL_ATTR_AUTOCOMMIT, (void *)SQL_AUTOCOMMIT_ON, 0) == SQL_ERROR) {
SQLGetDiagField(SQL_HANDLE_DBC, obj->con, 1, SQL_DIAG_NUMBER, &numfields, SQL_IS_INTEGER, &diagbytes);
@@ -1425,7 +1421,7 @@ struct odbc_obj *_ast_odbc_request_obj2(const char *name, struct ast_flags flags
#endif
/* We had it locked because of the obj_connects we see here. */
ast_mutex_unlock(&obj->lock);
ao2_unlock(obj);
ast_assert(class == NULL);
@@ -1759,11 +1755,11 @@ static int data_odbc_provider_handler(const struct ast_data_search *search,
continue;
}
ast_mutex_lock(&current->lock);
ao2_lock(current);
ast_data_add_str(data_odbc_connection, "status", current->used ? "in use" :
current->up && ast_odbc_sanity_check(current) ? "connected" : "disconnected");
ast_data_add_bool(data_odbc_connection, "transactional", current->tx);
ast_mutex_unlock(&current->lock);
ao2_unlock(current);
if (class->haspool) {
ast_data_add_int(data_odbc_connection, "number", ++count);