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freeswitch/src/switch_core_sqldb.c

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/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2009, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
* Michael Jerris <mike@jerris.com>
* Paul D. Tinsley <pdt at jackhammer.org>
*
*
* switch_core_sqldb.c -- Main Core Library (statistics tracker)
*
*/
#include <switch.h>
#include "private/switch_core_pvt.h"
static struct {
switch_core_db_t *db;
switch_core_db_t *event_db;
switch_queue_t *sql_queue[2];
switch_memory_pool_t *memory_pool;
int thread_running;
} sql_manager;
static switch_status_t switch_core_db_persistant_execute_trans(switch_core_db_t *db, char *sql, uint32_t retries)
{
char *errmsg;
switch_status_t status = SWITCH_STATUS_FALSE;
uint8_t forever = 0;
unsigned begin_retries = 100;
uint8_t again = 0;
if (!retries) {
forever = 1;
retries = 1000;
}
again:
while (begin_retries > 0) {
again = 0;
switch_core_db_exec(db, "BEGIN", NULL, NULL, &errmsg);
if (errmsg) {
begin_retries--;
if (strstr(errmsg, "cannot start a transaction within a transaction")) {
again = 1;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SQL Retry [%s]\n", errmsg);
}
switch_core_db_free(errmsg);
errmsg = NULL;
if (again) {
switch_core_db_exec(db, "COMMIT", NULL, NULL, NULL);
goto again;
}
switch_yield(100000);
if (begin_retries == 0) {
goto done;
}
} else {
break;
}
}
while (retries > 0) {
switch_core_db_exec(db, sql, NULL, NULL, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR [%s]\n", errmsg);
switch_core_db_free(errmsg);
errmsg = NULL;
switch_yield(100000);
retries--;
if (retries == 0 && forever) {
retries = 1000;
continue;
}
} else {
status = SWITCH_STATUS_SUCCESS;
break;
}
}
done:
switch_core_db_exec(db, "COMMIT", NULL, NULL, NULL);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_core_db_persistant_execute(switch_core_db_t *db, char *sql, uint32_t retries)
{
char *errmsg;
switch_status_t status = SWITCH_STATUS_FALSE;
uint8_t forever = 0;
if (!retries) {
forever = 1;
retries = 1000;
}
while (retries > 0) {
switch_core_db_exec(db, sql, NULL, NULL, &errmsg);
if (errmsg) {
//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR [%s]\n", errmsg);
switch_core_db_free(errmsg);
switch_yield(100000);
retries--;
if (retries == 0 && forever) {
retries = 1000;
continue;
}
} else {
status = SWITCH_STATUS_SUCCESS;
break;
}
}
return status;
}
#define SQLLEN 1024 * 64
static void *SWITCH_THREAD_FUNC switch_core_sql_thread(switch_thread_t * thread, void *obj)
{
void *pop;
uint32_t itterations = 0;
uint8_t trans = 0, nothing_in_queue = 0;
uint32_t target = 50000;
switch_size_t len = 0, sql_len = SQLLEN;
char *tmp, *sqlbuf = (char *) malloc(sql_len);
char *sql;
switch_size_t newlen;
int lc = 0;
switch_assert(sqlbuf);
if (!sql_manager.event_db) {
sql_manager.event_db = switch_core_db_handle();
}
sql_manager.thread_running = 1;
for (;;) {
if (switch_queue_trypop(sql_manager.sql_queue[0], &pop) == SWITCH_STATUS_SUCCESS ||
switch_queue_trypop(sql_manager.sql_queue[1], &pop) == SWITCH_STATUS_SUCCESS) {
sql = (char *) pop;
if (sql) {
newlen = strlen(sql) + 2;
if (itterations == 0) {
trans = 1;
}
/* ignore abnormally large strings sql strings as potential buffer overflow */
if (newlen < SQLLEN) {
itterations++;
if (len + newlen > sql_len) {
sql_len = len + SQLLEN;
if (!(tmp = realloc(sqlbuf, sql_len))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "SQL thread ending on mem err\n");
abort();
break;
}
sqlbuf = tmp;
}
sprintf(sqlbuf + len, "%s;\n", sql);
len += newlen;
}
switch_core_db_free(sql);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "SQL thread ending\n");
break;
}
} else {
nothing_in_queue = 1;
}
if (trans && ((itterations == target) || (nothing_in_queue && ++lc >= 500))) {
if (switch_core_db_persistant_execute_trans(sql_manager.event_db, sqlbuf, 100) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "SQL thread unable to commit transaction, records lost!\n");
}
itterations = 0;
trans = 0;
nothing_in_queue = 0;
len = 0;
*sqlbuf = '\0';
lc = 0;
}
if (nothing_in_queue) {
switch_cond_next();
}
}
while (switch_queue_trypop(sql_manager.sql_queue[0], &pop) == SWITCH_STATUS_SUCCESS) {
free(pop);
}
while (switch_queue_trypop(sql_manager.sql_queue[1], &pop) == SWITCH_STATUS_SUCCESS) {
free(pop);
}
free(sqlbuf);
return NULL;
}
static void core_event_handler(switch_event_t *event)
{
char *sql = NULL;
switch_assert(event);
switch (event->event_id) {
case SWITCH_EVENT_ADD_SCHEDULE:
sql = switch_mprintf("insert into tasks values('%q','%q','%q','%q')",
switch_event_get_header_nil(event, "task-id"),
switch_event_get_header_nil(event, "task-desc"),
switch_event_get_header_nil(event, "task-group"),
switch_event_get_header_nil(event, "task-sql_manager")
);
break;
case SWITCH_EVENT_DEL_SCHEDULE:
case SWITCH_EVENT_EXE_SCHEDULE:
sql = switch_mprintf("delete from tasks where task_id=%q", switch_event_get_header_nil(event, "task-id"));
break;
case SWITCH_EVENT_RE_SCHEDULE:
sql = switch_mprintf("update tasks set task_sql_manager='%q' where task_id=%q",
switch_event_get_header_nil(event, "task-sql_manager"), switch_event_get_header_nil(event, "task-id"));
break;
case SWITCH_EVENT_CHANNEL_DESTROY:
sql = switch_mprintf("delete from channels where uuid='%q'", switch_event_get_header_nil(event, "unique-id"));
break;
case SWITCH_EVENT_CHANNEL_UUID:
{
sql = switch_mprintf(
"update channels set uuid='%q' where uuid='%q';"
"update calls set caller_uuid='%q' where caller_uuid='%q';"
"update calls set callee_uuid='%q' where callee_uuid='%q'",
switch_event_get_header_nil(event, "unique-id"),
switch_event_get_header_nil(event, "old-unique-id"),
switch_event_get_header_nil(event, "unique-id"),
switch_event_get_header_nil(event, "old-unique-id"),
switch_event_get_header_nil(event, "unique-id"),
switch_event_get_header_nil(event, "old-unique-id")
);
break;
}
case SWITCH_EVENT_CHANNEL_CREATE:
sql = switch_mprintf("insert into channels (uuid,direction,created,created_epoch, name,state,dialplan,context) "
"values('%q','%q','%q','%ld','%q','%q','%q','%q')",
switch_event_get_header_nil(event, "unique-id"),
switch_event_get_header_nil(event, "call-direction"),
switch_event_get_header_nil(event, "event-date-local"),
(long)switch_epoch_time_now(NULL),
switch_event_get_header_nil(event, "channel-name"),
switch_event_get_header_nil(event, "channel-state"),
switch_event_get_header_nil(event, "caller-dialplan"),
switch_event_get_header_nil(event, "caller-context")
);
break;
case SWITCH_EVENT_CODEC:
sql =
switch_mprintf
("update channels set read_codec='%q',read_rate='%q',write_codec='%q',write_rate='%q' where uuid='%q'",
switch_event_get_header_nil(event, "channel-read-codec-name"),
switch_event_get_header_nil(event, "channel-read-codec-rate"),
switch_event_get_header_nil(event, "channel-write-codec-name"),
switch_event_get_header_nil(event, "channel-write-codec-rate"),
switch_event_get_header_nil(event, "unique-id"));
break;
case SWITCH_EVENT_CHANNEL_EXECUTE:
sql = switch_mprintf("update channels set application='%q',application_data='%q' where uuid='%q'",
switch_event_get_header_nil(event, "application"),
switch_event_get_header_nil(event, "application-data"),
switch_event_get_header_nil(event, "unique-id")
);
break;
case SWITCH_EVENT_CHANNEL_STATE:
{
char *state = switch_event_get_header_nil(event, "channel-state-number");
switch_channel_state_t state_i = CS_DONE;
if (!switch_strlen_zero(state)) {
state_i = atoi(state);
}
switch (state_i) {
case CS_HANGUP:
case CS_DONE:
break;
case CS_ROUTING:
sql = switch_mprintf("update channels set state='%s',cid_name='%q',cid_num='%q',ip_addr='%s',dest='%q',dialplan='%q',context='%q' "
"where uuid='%s'",
switch_event_get_header_nil(event, "channel-state"),
switch_event_get_header_nil(event, "caller-caller-id-name"),
switch_event_get_header_nil(event, "caller-caller-id-number"),
switch_event_get_header_nil(event, "caller-network-addr"),
switch_event_get_header_nil(event, "caller-destination-number"),
switch_event_get_header_nil(event, "caller-dialplan"),
switch_event_get_header_nil(event, "caller-context"),
switch_event_get_header_nil(event, "unique-id"));
break;
default:
sql = switch_mprintf("update channels set state='%s' where uuid='%s'",
switch_event_get_header_nil(event, "channel-state"), switch_event_get_header_nil(event, "unique-id"));
break;
}
break;
}
case SWITCH_EVENT_CHANNEL_BRIDGE:
sql = switch_mprintf("insert into calls values ('%s', '%ld', '%s','%q','%q','%q','%q','%s','%q','%q','%q','%q','%s')",
switch_event_get_header_nil(event, "event-date-local"),
(long)switch_epoch_time_now(NULL),
switch_event_get_header_nil(event, "event-calling-function"),
switch_event_get_header_nil(event, "caller-caller-id-name"),
switch_event_get_header_nil(event, "caller-caller-id-number"),
switch_event_get_header_nil(event, "caller-destination-number"),
switch_event_get_header_nil(event, "caller-channel-name"),
switch_event_get_header_nil(event, "caller-unique-id"),
switch_event_get_header_nil(event, "Other-Leg-caller-id-name"),
switch_event_get_header_nil(event, "Other-Leg-caller-id-number"),
switch_event_get_header_nil(event, "Other-Leg-destination-number"),
switch_event_get_header_nil(event, "Other-Leg-channel-name"), switch_event_get_header_nil(event, "Other-Leg-unique-id")
);
break;
case SWITCH_EVENT_CHANNEL_UNBRIDGE:
sql = switch_mprintf("delete from calls where caller_uuid='%s'", switch_event_get_header_nil(event, "caller-unique-id"));
break;
case SWITCH_EVENT_SHUTDOWN:
sql = switch_mprintf("delete from channels;delete from interfaces;delete from calls");
break;
case SWITCH_EVENT_LOG:
return;
case SWITCH_EVENT_MODULE_LOAD:
{
const char *type = switch_event_get_header_nil(event, "type");
const char *name = switch_event_get_header_nil(event, "name");
const char *description = switch_event_get_header_nil(event, "description");
const char *syntax = switch_event_get_header_nil(event, "syntax");
if (!switch_strlen_zero(type) && !switch_strlen_zero(name)) {
sql =
switch_mprintf("insert into interfaces (type,name,description,syntax) values('%q','%q','%q','%q')",
type, name, switch_str_nil(description), switch_str_nil(syntax)
);
}
break;
}
case SWITCH_EVENT_MODULE_UNLOAD:
{
const char *type = switch_event_get_header_nil(event, "type");
const char *name = switch_event_get_header_nil(event, "name");
if (!switch_strlen_zero(type) && !switch_strlen_zero(name)) {
sql = switch_mprintf("delete from interfaces where type='%q' and name='%q'", type, name);
}
break;
}
default:
break;
}
if (sql) {
if (switch_stristr("update channels", sql)) {
switch_queue_push(sql_manager.sql_queue[1], sql);
} else {
switch_queue_push(sql_manager.sql_queue[0], sql);
}
sql = NULL;
}
}
void switch_core_sqldb_start(switch_memory_pool_t *pool)
{
switch_thread_t *thread;
switch_threadattr_t *thd_attr;;
sql_manager.memory_pool = pool;
/* Activate SQL database */
if ((sql_manager.db = switch_core_db_handle()) == 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB!\n");
switch_clear_flag((&runtime), SCF_USE_SQL);
} else {
char create_complete_sql[] =
"CREATE TABLE complete (\n"
" sticky INTEGER,\n"
" a1 VARCHAR(255),\n"
" a2 VARCHAR(255),\n"
" a3 VARCHAR(255),\n"
" a4 VARCHAR(255),\n"
" a5 VARCHAR(255),\n"
" a6 VARCHAR(255),\n"
" a7 VARCHAR(255),\n"
" a8 VARCHAR(255),\n"
" a9 VARCHAR(255),\n"
" a10 VARCHAR(255)\n"
");\n";
char create_alias_sql[] =
"CREATE TABLE aliases (\n"
" sticky INTEGER,\n"
" alias VARCHAR(255),\n"
" command VARCHAR(255)\n"
");\n";
char create_channels_sql[] =
"CREATE TABLE channels (\n"
" uuid VARCHAR(255),\n"
" direction VARCHAR(255),\n"
" created VARCHAR(255),\n"
" created_epoch INTEGER,\n"
" name VARCHAR(255),\n"
" state VARCHAR(255),\n"
" cid_name VARCHAR(255),\n"
" cid_num VARCHAR(255),\n"
" ip_addr VARCHAR(255),\n"
" dest VARCHAR(255),\n"
" application VARCHAR(255),\n"
" application_data VARCHAR(255),\n"
" dialplan VARCHAR(255),\n"
" context VARCHAR(255),\n"
" read_codec VARCHAR(255),\n"
" read_rate VARCHAR(255),\n"
" write_codec VARCHAR(255),\n"
" write_rate VARCHAR(255)\n"
");\ncreate index uuindex on channels (uuid);\n";
char create_calls_sql[] =
"CREATE TABLE calls (\n"
" created VARCHAR(255),\n"
" created_epoch INTEGER,\n"
" function VARCHAR(255),\n"
" caller_cid_name VARCHAR(255),\n"
" caller_cid_num VARCHAR(255),\n"
" caller_dest_num VARCHAR(255),\n"
" caller_chan_name VARCHAR(255),\n"
" caller_uuid VARCHAR(255),\n"
" callee_cid_name VARCHAR(255),\n"
" callee_cid_num VARCHAR(255),\n"
" callee_dest_num VARCHAR(255),\n"
" callee_chan_name VARCHAR(255),\n"
" callee_uuid VARCHAR(255)\n"
");\n"
"create index eruuindex on calls (caller_uuid);\n"
"create index eeuuindex on calls (callee_uuid);\n";
char create_interfaces_sql[] =
"CREATE TABLE interfaces (\n"
" type VARCHAR(255),\n"
" name VARCHAR(255),\n"
" description VARCHAR(255),\n"
" syntax VARCHAR(255)\n"
");\n";
char create_tasks_sql[] =
"CREATE TABLE tasks (\n"
" task_id INTEGER(4),\n"
" task_desc VARCHAR(255),\n"
" task_group VARCHAR(255),\n"
" task_sql_manager INTEGER(8)\n"
");\n";
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Opening DB\n");
switch_core_db_exec(sql_manager.db, "drop table channels", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "drop table calls", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "drop table interfaces", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "drop table tasks", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "PRAGMA synchronous=OFF;", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "PRAGMA count_changes=OFF;", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "PRAGMA cache_size=8000", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "PRAGMA temp_store=MEMORY;", NULL, NULL, NULL);
switch_core_db_test_reactive(sql_manager.db, "select sticky from complete", "DROP TABLE complete", create_complete_sql);
switch_core_db_test_reactive(sql_manager.db, "select sticky from aliases", "DROP TABLE aliases", create_alias_sql);
switch_core_db_exec(sql_manager.db, "delete from complete where sticky=0", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "delete from aliases where sticky=0", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists alias1 on aliases (alias)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete1 on complete (a1)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete2 on complete (a2)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete3 on complete (a3)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete4 on complete (a4)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete5 on complete (a5)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete6 on complete (a6)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete7 on complete (a7)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete8 on complete (a8)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete9 on complete (a9)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, "create index if not exists complete10 on complete (a10)", NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, create_channels_sql, NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, create_calls_sql, NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, create_interfaces_sql, NULL, NULL, NULL);
switch_core_db_exec(sql_manager.db, create_tasks_sql, NULL, NULL, NULL);
if (switch_event_bind("core_db", SWITCH_EVENT_ALL, SWITCH_EVENT_SUBCLASS_ANY, core_event_handler, NULL) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't bind event handler!\n");
}
}
switch_queue_create(&sql_manager.sql_queue[0], SWITCH_SQL_QUEUE_LEN, sql_manager.memory_pool);
switch_queue_create(&sql_manager.sql_queue[1], SWITCH_SQL_QUEUE_LEN, sql_manager.memory_pool);
switch_threadattr_create(&thd_attr, sql_manager.memory_pool);
switch_threadattr_detach_set(thd_attr, 1);
switch_threadattr_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
switch_thread_create(&thread, thd_attr, switch_core_sql_thread, NULL, sql_manager.memory_pool);
while (!sql_manager.thread_running) {
switch_yield(10000);
}
}
void switch_core_sqldb_stop(void)
{
switch_queue_push(sql_manager.sql_queue[0], NULL);
switch_queue_push(sql_manager.sql_queue[1], NULL);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CONSOLE, "Waiting for unfinished SQL transactions\n");
while (switch_queue_size(sql_manager.sql_queue[0]) > 0) {
switch_yield(10000);
}
while (switch_queue_size(sql_manager.sql_queue[1]) > 0) {
switch_yield(10000);
}
switch_core_db_close(sql_manager.db);
switch_core_db_close(sql_manager.event_db);
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
*/
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