/*
* 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_cache_db_handle_t *event_db;
switch_queue_t *sql_queue[2];
switch_memory_pool_t *memory_pool;
switch_event_node_t *event_node;
switch_thread_t *thread;
int thread_running;
switch_bool_t manage;
} sql_manager;
static switch_mutex_t *dbh_mutex = NULL;
static switch_hash_t *dbh_hash = NULL;
#define SQL_CACHE_TIMEOUT 300
static void sql_close(time_t prune)
{
switch_hash_index_t *hi;
const void *var;
void *val;
switch_cache_db_handle_t *dbh = NULL;
int locked = 0;
char *key;
switch_mutex_lock(dbh_mutex);
top:
locked = 0;
for (hi = switch_hash_first(NULL, dbh_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, &var, NULL, &val);
key = (char *) var;
if ((dbh = (switch_cache_db_handle_t *) val)) {
time_t diff = 0;
if (prune > 0 && prune > dbh->last_used) {
diff = (time_t) prune - dbh->last_used;
}
if (prune > 0 && diff < SQL_CACHE_TIMEOUT) {
continue;
}
if (switch_mutex_trylock(dbh->mutex) == SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Dropping idle DB connection %s\n", key);
switch (dbh->type) {
case SCDB_TYPE_ODBC:
{
switch_odbc_handle_destroy(&dbh->native_handle.odbc_dbh);
}
break;
case SCDB_TYPE_CORE_DB:
{
switch_core_db_close(dbh->native_handle.core_db_dbh);
dbh->native_handle.core_db_dbh = NULL;
}
break;
}
switch_core_hash_delete(dbh_hash, key);
switch_mutex_unlock(dbh->mutex);
switch_core_destroy_memory_pool(&dbh->pool);
goto top;
} else {
if (!prune) locked++;
continue;
}
}
}
if (locked) {
goto top;
}
switch_mutex_unlock(dbh_mutex);
}
SWITCH_DECLARE(void) switch_cache_db_release_db_handle(switch_cache_db_handle_t **dbh)
{
if (dbh && *dbh) {
switch_mutex_unlock((*dbh)->mutex);
*dbh = NULL;
}
}
SWITCH_DECLARE(void) switch_cache_db_destroy_db_handle(switch_cache_db_handle_t **dbh)
{
if (dbh && *dbh) {
switch_mutex_lock(dbh_mutex);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Deleting DB connection %s\n", (*dbh)->name);
switch ((*dbh)->type) {
case SCDB_TYPE_ODBC:
{
switch_odbc_handle_destroy(&(*dbh)->native_handle.odbc_dbh);
}
break;
case SCDB_TYPE_CORE_DB:
{
switch_core_db_close((*dbh)->native_handle.core_db_dbh);
(*dbh)->native_handle.core_db_dbh = NULL;
}
break;
}
switch_core_hash_delete(dbh_hash, (*dbh)->name);
switch_mutex_unlock((*dbh)->mutex);
switch_core_destroy_memory_pool(&(*dbh)->pool);
*dbh = NULL;
switch_mutex_unlock(dbh_mutex);
}
}
SWITCH_DECLARE(void) switch_cache_db_detach(void)
{
char thread_str[CACHE_DB_LEN] = "";
switch_hash_index_t *hi;
const void *var;
void *val;
char *key;
switch_cache_db_handle_t *dbh = NULL;
snprintf(thread_str, sizeof(thread_str) - 1, "%lu", (unsigned long)(intptr_t)switch_thread_self());
switch_mutex_lock(dbh_mutex);
for (hi = switch_hash_first(NULL, dbh_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, &var, NULL, &val);
key = (char *) var;
if ((dbh = (switch_cache_db_handle_t *) val)) {
if (switch_mutex_trylock(dbh->mutex) == SWITCH_STATUS_SUCCESS) {
if (strstr(dbh->name, thread_str)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG10,
"Detach cached DB handle %s [%s]\n", thread_str, switch_cache_db_type_name(dbh->type));
switch_clear_flag(dbh, CDF_INUSE);
}
switch_mutex_unlock(dbh->mutex);
}
}
}
switch_mutex_unlock(dbh_mutex);
}
SWITCH_DECLARE(switch_status_t)_switch_cache_db_get_db_handle(switch_cache_db_handle_t **dbh,
switch_cache_db_handle_type_t type,
switch_cache_db_connection_options_t *connection_options,
const char *file, const char *func, int line)
{
switch_thread_id_t self = switch_thread_self();
char thread_str[CACHE_DB_LEN] = "";
char db_str[CACHE_DB_LEN] = "";
char db_callsite_str[CACHE_DB_LEN] = "";
switch_cache_db_handle_t *new_dbh = NULL;
switch_ssize_t hlen = -1;
const char *db_name = NULL;
const char *db_user = NULL;
const char *db_pass = NULL;
switch (type) {
case SCDB_TYPE_ODBC:
{
db_name = connection_options->odbc_options.dsn;
db_user = connection_options->odbc_options.user;
db_pass = connection_options->odbc_options.pass;
}
break;
case SCDB_TYPE_CORE_DB:
{
db_name = connection_options->core_db_options.db_path;
db_user = "";
db_pass = "";
}
break;
}
if (!db_name) {
return SWITCH_STATUS_FALSE;
}
snprintf(db_str, sizeof(db_str) - 1, "db=\"%s\";user=\"%s\";pass=\"%s\"", db_name, db_user, db_pass);
snprintf(thread_str, sizeof(thread_str) - 1, "%s;thread=\"%lu\"", db_str, (unsigned long)(intptr_t)self);
snprintf(db_callsite_str, sizeof(db_callsite_str) - 1, "%s:%d", file, line);
switch_mutex_lock(dbh_mutex);
if ((new_dbh = switch_core_hash_find(dbh_hash, thread_str))) {
switch_set_string(new_dbh->last_user, db_callsite_str);
switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_DEBUG10,
"Reuse Cached DB handle %s [%s]\n", thread_str, switch_cache_db_type_name(new_dbh->type));
} else {
switch_hash_index_t *hi;
const void *var;
void *val;
char *key;
unsigned long hash = 0;
hash = switch_ci_hashfunc_default(db_str, &hlen);
for (hi = switch_hash_first(NULL, dbh_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, &var, NULL, &val);
key = (char *) var;
if ((new_dbh = (switch_cache_db_handle_t *) val)) {
if (hash == new_dbh->hash && !strncasecmp(new_dbh->name, db_str, strlen(db_str)) &&
!switch_test_flag(new_dbh, CDF_INUSE) && switch_mutex_trylock(new_dbh->mutex) == SWITCH_STATUS_SUCCESS) {
switch_set_flag(new_dbh, CDF_INUSE);
switch_set_string(new_dbh->name, thread_str);
new_dbh->hash = switch_ci_hashfunc_default(db_str, &hlen);
switch_set_string(new_dbh->last_user, db_callsite_str);
switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_DEBUG10,
"Reuse Unused Cached DB handle %s [%s]\n", thread_str, switch_cache_db_type_name(new_dbh->type));
break;
}
}
new_dbh = NULL;
}
}
if (!new_dbh) {
switch_memory_pool_t *pool = NULL;
switch_core_db_t *db = NULL;
switch_odbc_handle_t *odbc_dbh = NULL;
switch (type) {
case SCDB_TYPE_ODBC:
{
if (!switch_odbc_available()) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Failure! OBDC NOT AVAILABLE!\n");
goto end;
}
if ((odbc_dbh = switch_odbc_handle_new(connection_options->odbc_options.dsn,
connection_options->odbc_options.user,
connection_options->odbc_options.pass))) {
if (switch_odbc_handle_connect(odbc_dbh) != SWITCH_STATUS_SUCCESS) {
switch_odbc_handle_destroy(&odbc_dbh);
}
}
}
break;
case SCDB_TYPE_CORE_DB:
{
db = switch_core_db_open_file(connection_options->core_db_options.db_path);
}
break;
default:
goto end;
}
if (!db && !odbc_dbh) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Failure!\n");
goto end;
}
switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_DEBUG10,
"Create Cached DB handle %s [%s]\n", thread_str, switch_cache_db_type_name(type));
switch_core_new_memory_pool(&pool);
new_dbh = switch_core_alloc(pool, sizeof(*new_dbh));
new_dbh->pool = pool;
new_dbh->type = type;
switch_set_string(new_dbh->name, thread_str);
switch_set_flag(new_dbh, CDF_INUSE);
new_dbh->hash = switch_ci_hashfunc_default(db_str, &hlen);
if (db) new_dbh->native_handle.core_db_dbh = db; else new_dbh->native_handle.odbc_dbh = odbc_dbh;
switch_mutex_init(&new_dbh->mutex, SWITCH_MUTEX_UNNESTED, new_dbh->pool);
switch_set_string(new_dbh->creator, db_callsite_str);
switch_mutex_lock(new_dbh->mutex);
switch_core_hash_insert(dbh_hash, new_dbh->name, new_dbh);
}
end:
if (new_dbh) new_dbh->last_used = switch_epoch_time_now(NULL);
switch_mutex_unlock(dbh_mutex);
*dbh = new_dbh;
return *dbh ? SWITCH_STATUS_SUCCESS : SWITCH_STATUS_FALSE;
}
static switch_status_t switch_cache_db_execute_sql_real(switch_cache_db_handle_t *dbh, const char *sql, char **err)
{
switch_status_t status = SWITCH_STATUS_FALSE;
char *errmsg = NULL;
if (err) *err = NULL;
switch (dbh->type) {
case SCDB_TYPE_ODBC:
{
switch_odbc_statement_handle_t stmt = NULL;
if ((status = switch_odbc_handle_exec(dbh->native_handle.odbc_dbh, sql, &stmt)) != SWITCH_ODBC_SUCCESS) {
errmsg = switch_odbc_handle_get_error(dbh->native_handle.odbc_dbh, stmt);
}
switch_odbc_statement_handle_free(&stmt);
}
break;
case SCDB_TYPE_CORE_DB:
{
status = switch_core_db_exec(dbh->native_handle.core_db_dbh, sql, NULL, NULL, &errmsg);
}
break;
}
if (errmsg) {
if (!switch_stristr("already exists", errmsg)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR [%s]\n%s\n", errmsg, sql);
}
if (err) {
*err = errmsg;
} else {
free(errmsg);
}
}
return status;
}
/**
OMFG you cruel bastards. Who chooses 64k as a max buffer len for a sql statement, have you ever heard of transactions?
**/
static switch_status_t switch_cache_db_execute_sql_chunked(switch_cache_db_handle_t *dbh, char *sql, uint32_t chunk_size, char **err)
{
switch_status_t status = SWITCH_STATUS_FALSE;
char *p, *s, *e;
int chunk_count;
switch_size_t len;
switch_assert(chunk_size);
if (err) *err = NULL;
len = strlen(sql);
if (chunk_size > len) {
return switch_cache_db_execute_sql_real(dbh, sql, err);
}
if (!(chunk_count = strlen(sql) / chunk_size)) {
return SWITCH_STATUS_FALSE;
}
e = end_of_p(sql);
s = sql;
while(s && s < e) {
p = s + chunk_size;
if (p > e) {
p = e;
}
while (p > s) {
if (*p == '\n' && *(p-1) == ';') {
*p = '\0';
*(p-1) = '\0';
break;
}
p--;
}
if (p <= s) break;
status = switch_cache_db_execute_sql_real(dbh, s, err);
if (status != SWITCH_STATUS_SUCCESS || (err && *err)) {
break;
}
s = p;
}
return status;
}
SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql(switch_cache_db_handle_t *dbh, char *sql, char **err)
{
switch_status_t status = SWITCH_STATUS_FALSE;
switch (dbh->type) {
default:
{
status = switch_cache_db_execute_sql_chunked(dbh, (char *)sql, 32768, err);
}
break;
}
return status;
}
SWITCH_DECLARE(char *) switch_cache_db_execute_sql2str(switch_cache_db_handle_t *dbh, char *sql, char *str, size_t len, char **err)
{
switch_status_t status = SWITCH_STATUS_FALSE;
switch (dbh->type) {
case SCDB_TYPE_CORE_DB:
{
switch_core_db_stmt_t *stmt;
if (switch_core_db_prepare(dbh->native_handle.core_db_dbh, sql, -1, &stmt, 0)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Statement Error [%s]!\n", sql);
return NULL;
} else {
int running = 1;
int colcount;
while (running < 5000) {
int result = switch_core_db_step(stmt);
const unsigned char *txt;
if (result == SWITCH_CORE_DB_ROW) {
if ((colcount = switch_core_db_column_count(stmt)) > 0) {
if ((txt = switch_core_db_column_text(stmt, 0))) {
switch_copy_string(str, (char *) txt, len);
status = SWITCH_STATUS_SUCCESS;
} else {
goto end;
}
}
break;
} else if (result == SWITCH_CORE_DB_BUSY) {
running++;
switch_cond_next();
continue;
}
break;
}
switch_core_db_finalize(stmt);
}
}
break;
case SCDB_TYPE_ODBC:
{
status = switch_odbc_handle_exec_string(dbh->native_handle.odbc_dbh, sql, str, len);
}
break;
}
end:
return status == SWITCH_STATUS_SUCCESS ? str : NULL;
}
SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute(switch_cache_db_handle_t *dbh, const char *sql, uint32_t retries)
{
char *errmsg = NULL;
switch_status_t status = SWITCH_STATUS_FALSE;
uint8_t forever = 0;
if (!retries) {
forever = 1;
retries = 1000;
}
while (retries > 0) {
switch_cache_db_execute_sql_real(dbh, sql, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR [%s]\n", errmsg);
switch_safe_free(errmsg);
switch_yield(100000);
retries--;
if (retries == 0 && forever) {
retries = 1000;
continue;
}
} else {
status = SWITCH_STATUS_SUCCESS;
break;
}
}
return status;
}
SWITCH_DECLARE(switch_status_t) switch_cache_db_persistant_execute_trans(switch_cache_db_handle_t *dbh, char *sql, uint32_t retries)
{
char *errmsg = NULL;
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_cache_db_execute_sql_real(dbh, "BEGIN", &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);
}
free(errmsg);
errmsg = NULL;
if (again) {
switch_cache_db_execute_sql_real(dbh, "COMMIT", NULL);
goto again;
}
switch_yield(100000);
if (begin_retries == 0) {
goto done;
}
} else {
break;
}
}
while (retries > 0) {
switch_cache_db_execute_sql(dbh, sql, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR [%s]\n", errmsg);
free(errmsg);
errmsg = NULL;
switch_yield(100000);
retries--;
if (retries == 0 && forever) {
retries = 1000;
continue;
}
} else {
status = SWITCH_STATUS_SUCCESS;
break;
}
}
done:
switch_cache_db_execute_sql_real(dbh, "COMMIT", NULL);
return status;
}
SWITCH_DECLARE(switch_status_t) switch_cache_db_execute_sql_callback(switch_cache_db_handle_t *dbh,
const char *sql, switch_core_db_callback_func_t callback, void *pdata, char **err)
{
switch_status_t status = SWITCH_STATUS_FALSE;
char *errmsg = NULL;
if (err) *err = NULL;
switch (dbh->type) {
case SCDB_TYPE_ODBC:
{
status = switch_odbc_handle_callback_exec(dbh->native_handle.odbc_dbh, sql, callback, pdata, err);
}
break;
case SCDB_TYPE_CORE_DB:
{
status = switch_core_db_exec(dbh->native_handle.core_db_dbh, sql, callback, pdata, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQL ERR: [%s] %s\n", sql, errmsg);
free(errmsg);
}
}
break;
}
return status;
}
SWITCH_DECLARE(void) switch_cache_db_test_reactive(switch_cache_db_handle_t *dbh, const char *test_sql, const char *drop_sql, const char *reactive_sql)
{
char *errmsg;
switch (dbh->type) {
case SCDB_TYPE_ODBC:
{
if (switch_odbc_handle_exec(dbh->native_handle.odbc_dbh, test_sql, NULL) != SWITCH_ODBC_SUCCESS) {
if (drop_sql) {
switch_odbc_handle_exec(dbh->native_handle.odbc_dbh, drop_sql, NULL);
}
switch_odbc_handle_exec(dbh->native_handle.odbc_dbh, reactive_sql, NULL);
}
}
break;
case SCDB_TYPE_CORE_DB:
{
if (test_sql) {
switch_core_db_exec(dbh->native_handle.core_db_dbh, test_sql, NULL, NULL, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SQL ERR [%s]\n[%s]\nAuto Generating Table!\n", errmsg, test_sql);
switch_core_db_free(errmsg);
errmsg = NULL;
if (drop_sql) {
switch_core_db_exec(dbh->native_handle.core_db_dbh, drop_sql, NULL, NULL, &errmsg);
}
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SQL ERR [%s]\n[%s]\n", errmsg, reactive_sql);
switch_core_db_free(errmsg);
errmsg = NULL;
}
switch_core_db_exec(dbh->native_handle.core_db_dbh, reactive_sql, NULL, NULL, &errmsg);
if (errmsg) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "SQL ERR [%s]\n[%s]\n", errmsg, reactive_sql);
switch_core_db_free(errmsg);
errmsg = NULL;
}
}
}
}
break;
}
}
#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;
uint32_t loops = 0, sec = 0;
uint32_t l1 = 1000;
switch_assert(sqlbuf);
if (!sql_manager.manage) {
l1 = 10;
}
if (!sql_manager.event_db) {
switch_core_db_handle(&sql_manager.event_db);
}
sql_manager.thread_running = 1;
while(sql_manager.thread_running == 1) {
if (++loops == l1) {
if (++sec == SQL_CACHE_TIMEOUT) {
sql_close(switch_epoch_time_now(NULL));
sec = 0;
}
loops = 0;
}
if (!sql_manager.manage) {
switch_yield(100000);
continue;
}
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_cache_db_persistant_execute_trans(sql_manager.event_db, sqlbuf, 1) != 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);
sql_manager.thread_running = 0;
switch_cache_db_release_db_handle(&sql_manager.event_db);
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:
{
const char *id = switch_event_get_header(event, "task-id");
const char *manager = switch_event_get_header(event, "task-sql_manager");
if (id) {
sql = switch_mprintf("insert into tasks values(%q,'%q','%q',%q, '%q')",
id,
switch_event_get_header_nil(event, "task-desc"),
switch_event_get_header_nil(event, "task-group"),
manager ? manager : "0",
switch_core_get_variable("hostname")
);
}
}
break;
case SWITCH_EVENT_DEL_SCHEDULE:
case SWITCH_EVENT_EXE_SCHEDULE:
sql = switch_mprintf("delete from tasks where task_id=%q and hostname='%q'",
switch_event_get_header_nil(event, "task-id"), switch_core_get_variable("hostname"));
break;
case SWITCH_EVENT_RE_SCHEDULE:
{
const char *id = switch_event_get_header(event, "task-id");
const char *manager = switch_event_get_header(event, "task-sql_manager");
if (id) {
sql = switch_mprintf("update tasks set task_desc='%q',task_group='%q', task_sql_manager=%q where task_id=%q and hostname='%q'",
switch_event_get_header_nil(event, "task-desc"),
switch_event_get_header_nil(event, "task-group"),
manager ? manager : "0",
id, switch_core_get_variable("hostname"));
}
}
break;
case SWITCH_EVENT_CHANNEL_DESTROY:
sql = switch_mprintf("delete from channels where uuid='%q' and hostname='%q'",
switch_event_get_header_nil(event, "unique-id"), switch_core_get_variable("hostname"));
break;
case SWITCH_EVENT_CHANNEL_UUID:
{
sql = switch_mprintf(
"update channels set uuid='%q' where uuid='%q' and hostname='%q';"
"update calls set caller_uuid='%q' where caller_uuid='%q' and hostname='%q';"
"update calls set callee_uuid='%q' where callee_uuid='%q' and hostname='%q'",
switch_event_get_header_nil(event, "unique-id"),
switch_event_get_header_nil(event, "old-unique-id"),
switch_core_get_variable("hostname"),
switch_event_get_header_nil(event, "unique-id"),
switch_event_get_header_nil(event, "old-unique-id"),
switch_core_get_variable("hostname"),
switch_event_get_header_nil(event, "unique-id"),
switch_event_get_header_nil(event, "old-unique-id"),
switch_core_get_variable("hostname")
);
break;
}
case SWITCH_EVENT_CHANNEL_CREATE:
sql = switch_mprintf("insert into channels (uuid,direction,created,created_epoch, name,state,dialplan,context,hostname) "
"values('%q','%q','%q','%ld','%q','%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"),
switch_core_get_variable("hostname")
);
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' and hostname='%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"), switch_core_get_variable("hostname"));
break;
case SWITCH_EVENT_CHANNEL_EXECUTE:
sql = switch_mprintf("update channels set application='%q',application_data='%q',"
"presence_id='%q',presence_data='%q' where uuid='%q' and hostname='%q'",
switch_event_get_header_nil(event, "application"),
switch_event_get_header_nil(event, "application-data"),
switch_event_get_header_nil(event, "channel-presence-id"),
switch_event_get_header_nil(event, "channel-presence-data"),
switch_event_get_header_nil(event, "unique-id"), switch_core_get_variable("hostname")
);
break;
case SWITCH_EVENT_CHANNEL_STATE:
{
char *state = switch_event_get_header_nil(event, "channel-state-number");
switch_channel_state_t state_i = CS_DESTROY;
if (!zstr(state)) {
state_i = atoi(state);
}
switch (state_i) {
case CS_HANGUP:
case CS_DESTROY:
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',presence_id='%q',presence_data='%q' "
"where uuid='%s' and hostname='%q'",
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, "channel-presence-id"),
switch_event_get_header_nil(event, "channel-presence-data"),
switch_event_get_header_nil(event, "unique-id"), switch_core_get_variable("hostname"));
break;
default:
sql = switch_mprintf("update channels set state='%s' where uuid='%s' and hostname='%q'",
switch_event_get_header_nil(event, "channel-state"),
switch_event_get_header_nil(event, "unique-id"), switch_core_get_variable("hostname"));
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','%q')",
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"),
switch_core_get_variable("hostname")
);
break;
case SWITCH_EVENT_CHANNEL_UNBRIDGE:
sql = switch_mprintf("delete from calls where caller_uuid='%s' and hostname='%q'",
switch_event_get_header_nil(event, "caller-unique-id"), switch_core_get_variable("hostname"));
break;
case SWITCH_EVENT_SHUTDOWN:
sql = switch_mprintf("delete from channels where hostname='%q';"
"delete from interfaces where hostname='%q';"
"delete from calls where hostname='%q'",
switch_core_get_variable("hostname"),
switch_core_get_variable("hostname"),
switch_core_get_variable("hostname")
);
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");
const char *key = switch_event_get_header_nil(event, "key");
const char *filename = switch_event_get_header_nil(event, "filename");
if (!zstr(type) && !zstr(name)) {
sql =
switch_mprintf("insert into interfaces (type,name,description,syntax,key,filename,hostname) values('%q','%q','%q','%q','%q','%q','%q')",
type, name, switch_str_nil(description), switch_str_nil(syntax),
switch_str_nil(key), switch_str_nil(filename), switch_core_get_variable("hostname")
);
}
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 (!zstr(type) && !zstr(name)) {
sql = switch_mprintf("delete from interfaces where type='%q' and name='%q' and hostname='%q'", type, name,
switch_core_get_variable("hostname"));
}
break;
}
case SWITCH_EVENT_CALL_SECURE:
{
const char *type = switch_event_get_header_nil(event, "secure_type");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Secure Type: %s\n", type);
if (zstr(type)) {
break;
}
sql = switch_mprintf("update channels set secure='%s' where uuid='%s' and hostname='%q'",
type,
switch_event_get_header_nil(event, "caller-unique-id"),
switch_core_get_variable("hostname")
);
break;
}
case SWITCH_EVENT_NAT:
{
const char *op = switch_event_get_header_nil(event, "op");
switch_bool_t sticky = switch_true(switch_event_get_header_nil(event, "sticky"));
if (!strcmp("add", op)) {
sql = switch_mprintf("insert into nat (port, proto, sticky, hostname) values (%s, %s, %d,'%q')",
switch_event_get_header_nil(event, "port"),
switch_event_get_header_nil(event, "proto"),
sticky,
switch_core_get_variable("hostname")
);
} else if (!strcmp("del", op)) {
sql = switch_mprintf("delete from nat where port=%s and proto=%s and hostname='%q'",
switch_event_get_header_nil(event, "port"),
switch_event_get_header_nil(event, "proto"),
switch_core_get_variable("hostname"));
} else if (!strcmp("status", op)) {
/* call show nat api */
} else if (!strcmp("status_response", op)) {
/* ignore */
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unknown op for SWITCH_EVENT_NAT: %s\n", op);
}
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;
}
}
static char create_complete_sql[] =
"CREATE TABLE complete (\n"
" sticky INTEGER,\n"
" a1 VARCHAR(4096),\n"
" a2 VARCHAR(4096),\n"
" a3 VARCHAR(4096),\n"
" a4 VARCHAR(4096),\n"
" a5 VARCHAR(4096),\n"
" a6 VARCHAR(4096),\n"
" a7 VARCHAR(4096),\n"
" a8 VARCHAR(4096),\n"
" a9 VARCHAR(4096),\n"
" a10 VARCHAR(4096),\n"
" hostname VARCHAR(4096)\n"
");\n";
static char create_alias_sql[] =
"CREATE TABLE aliases (\n"
" sticky INTEGER,\n"
" alias VARCHAR(4096),\n"
" command VARCHAR(4096),\n"
" hostname VARCHAR(4096)\n"
");\n";
static char create_channels_sql[] =
"CREATE TABLE channels (\n"
" uuid VARCHAR(4096),\n"
" direction VARCHAR(4096),\n"
" created VARCHAR(4096),\n"
" created_epoch INTEGER,\n"
" name VARCHAR(4096),\n"
" state VARCHAR(4096),\n"
" cid_name VARCHAR(4096),\n"
" cid_num VARCHAR(4096),\n"
" ip_addr VARCHAR(4096),\n"
" dest VARCHAR(4096),\n"
" application VARCHAR(4096),\n"
" application_data VARCHAR(4096),\n"
" dialplan VARCHAR(4096),\n"
" context VARCHAR(4096),\n"
" read_codec VARCHAR(4096),\n"
" read_rate VARCHAR(4096),\n"
" write_codec VARCHAR(4096),\n"
" write_rate VARCHAR(4096),\n"
" secure VARCHAR(4096),\n"
" hostname VARCHAR(4096),\n"
" presence_id VARCHAR(4096),\n"
" presence_data VARCHAR(4096)\n"
");\ncreate index uuindex on channels (uuid,hostname);\n";
static char create_calls_sql[] =
"CREATE TABLE calls (\n"
" call_created VARCHAR(4096),\n"
" call_created_epoch INTEGER,\n"
" function VARCHAR(4096),\n"
" caller_cid_name VARCHAR(4096),\n"
" caller_cid_num VARCHAR(4096),\n"
" caller_dest_num VARCHAR(4096),\n"
" caller_chan_name VARCHAR(4096),\n"
" caller_uuid VARCHAR(4096),\n"
" callee_cid_name VARCHAR(4096),\n"
" callee_cid_num VARCHAR(4096),\n"
" callee_dest_num VARCHAR(4096),\n"
" callee_chan_name VARCHAR(4096),\n"
" callee_uuid VARCHAR(4096),\n"
" hostname VARCHAR(4096)\n"
");\n"
"create index eruuindex on calls (caller_uuid,hostname);\n"
"create index eeuuindex on calls (callee_uuid,hostname);\n";
static char create_interfaces_sql[] =
"CREATE TABLE interfaces (\n"
" type VARCHAR(4096),\n"
" name VARCHAR(4096),\n"
" description VARCHAR(4096),\n"
" key VARCHAR(4096),\n"
" filename VARCHAR(4096),\n"
" syntax VARCHAR(4096),\n"
" hostname VARCHAR(4096)\n"
");\n";
static char create_tasks_sql[] =
"CREATE TABLE tasks (\n"
" task_id INTEGER,\n"
" task_desc VARCHAR(4096),\n"
" task_group VARCHAR(4096),\n"
" task_sql_manager INTEGER,\n"
" hostname VARCHAR(4096)\n"
");\n";
static char create_nat_sql[] =
"CREATE TABLE nat (\n"
" sticky INTEGER,\n"
" port INTEGER,\n"
" proto INTEGER,\n"
" hostname VARCHAR(4096)\n"
");\n";
switch_status_t switch_core_sqldb_start(switch_memory_pool_t *pool, switch_bool_t manage)
{
switch_threadattr_t *thd_attr;
switch_cache_db_handle_t *dbh;
sql_manager.memory_pool = pool;
sql_manager.manage = manage;
switch_mutex_init(&dbh_mutex, SWITCH_MUTEX_NESTED, sql_manager.memory_pool);
switch_core_hash_init(&dbh_hash, sql_manager.memory_pool);
top:
/* Activate SQL database */
if (switch_core_db_handle(&dbh) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Opening DB!\n");
if (runtime.odbc_dsn) {
runtime.odbc_dsn = NULL;
runtime.odbc_user = NULL;
runtime.odbc_pass = NULL;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Falling back to core_db.\n");
goto top;
}
switch_clear_flag((&runtime), SCF_USE_SQL);
return SWITCH_STATUS_FALSE;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Opening DB\n");
switch (dbh->type) {
case SCDB_TYPE_ODBC:
{
char sql[512] = "";
char *tables[] = {"channels", "calls", "interfaces", "tasks", NULL};
int i;
const char *hostname = switch_core_get_variable("hostname");
for(i = 0; tables[i]; i++) {
switch_snprintf(sql, sizeof(sql), "delete from %s where hostname='%s'", tables[i], hostname);
switch_cache_db_execute_sql(dbh, sql, NULL);
}
}
break;
case SCDB_TYPE_CORE_DB:
{
switch_cache_db_execute_sql(dbh, "drop table channels", NULL);
switch_cache_db_execute_sql(dbh, "drop table calls", NULL);
switch_cache_db_execute_sql(dbh, "drop table interfaces", NULL);
switch_cache_db_execute_sql(dbh, "drop table tasks", NULL);
switch_cache_db_execute_sql(dbh, "PRAGMA synchronous=OFF;", NULL);
switch_cache_db_execute_sql(dbh, "PRAGMA count_changes=OFF;", NULL);
switch_cache_db_execute_sql(dbh, "PRAGMA cache_size=8000", NULL);
switch_cache_db_execute_sql(dbh, "PRAGMA temp_store=MEMORY;", NULL);
}
break;
}
switch_cache_db_test_reactive(dbh, "select hostname from complete", "DROP TABLE complete", create_complete_sql);
switch_cache_db_test_reactive(dbh, "select hostname from aliases", "DROP TABLE aliases", create_alias_sql);
switch_cache_db_test_reactive(dbh, "select hostname from nat", "DROP TABLE nat", create_nat_sql);
switch (dbh->type) {
case SCDB_TYPE_ODBC:
{
char *err;
switch_cache_db_test_reactive(dbh, "select hostname from channels", "DROP TABLE channels", create_channels_sql);
switch_cache_db_test_reactive(dbh, "select hostname from calls", "DROP TABLE calls", create_calls_sql);
switch_cache_db_test_reactive(dbh, "select hostname from interfaces", "DROP TABLE interfaces", create_interfaces_sql);
switch_cache_db_test_reactive(dbh, "select hostname from tasks", "DROP TABLE tasks", create_tasks_sql);
switch_cache_db_execute_sql(dbh, "begin;delete from channels where hostname='';delete from channels where hostname='';commit;", &err);
if (err) {
runtime.odbc_dsn = NULL;
runtime.odbc_user = NULL;
runtime.odbc_pass = NULL;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Transactions not supported on your DB, disabling ODBC\n");
switch_cache_db_release_db_handle(&dbh);
free(err);
goto top;
}
}
break;
case SCDB_TYPE_CORE_DB:
{
switch_cache_db_execute_sql(dbh, create_channels_sql, NULL);
switch_cache_db_execute_sql(dbh, create_calls_sql, NULL);
switch_cache_db_execute_sql(dbh, create_interfaces_sql, NULL);
switch_cache_db_execute_sql(dbh, create_tasks_sql, NULL);
}
break;
}
switch_cache_db_execute_sql(dbh, "delete from complete where sticky=0", NULL);
switch_cache_db_execute_sql(dbh, "delete from aliases where sticky=0", NULL);
switch_cache_db_execute_sql(dbh, "delete from nat where sticky=0", NULL);
switch_cache_db_execute_sql(dbh, "create index alias1 on aliases (alias)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete1 on complete (a1,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete2 on complete (a2,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete3 on complete (a3,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete4 on complete (a4,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete5 on complete (a5,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete6 on complete (a6,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete7 on complete (a7,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete8 on complete (a8,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete9 on complete (a9,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index complete10 on complete (a10,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create unique index nat_map_port_proto on nat (port,proto,hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index channels1 on channels(hostname)", NULL);
switch_cache_db_execute_sql(dbh, "create index calls1 on calls(hostname)", NULL);
if (sql_manager.manage) {
if (switch_event_bind_removable("core_db", SWITCH_EVENT_ALL, SWITCH_EVENT_SUBCLASS_ANY,
core_event_handler, NULL, &sql_manager.event_node) != 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_stacksize_set(thd_attr, SWITCH_THREAD_STACKSIZE);
switch_thread_create(&sql_manager.thread, thd_attr, switch_core_sql_thread, NULL, sql_manager.memory_pool);
while (!sql_manager.thread_running) {
switch_yield(10000);
}
switch_cache_db_release_db_handle(&dbh);
return SWITCH_STATUS_SUCCESS;
}
void switch_core_sqldb_stop(void)
{
switch_status_t st;
switch_event_unbind(&sql_manager.event_node);
if (sql_manager.thread && sql_manager.thread_running) {
if (sql_manager.manage) {
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");
}
sql_manager.thread_running = -1;
switch_thread_join(&st, sql_manager.thread);
}
sql_close(0);
switch_core_hash_destroy(&dbh_hash);
}
SWITCH_DECLARE(void) switch_cache_db_status(switch_stream_handle_t *stream)
{
/* return some status info suitable for the cli */
switch_hash_index_t *hi;
switch_cache_db_handle_t *dbh = NULL;
void *val;
const void *var;
char *key;
switch_bool_t locked = SWITCH_FALSE;
time_t now = switch_epoch_time_now(NULL);
char cleankey_str[CACHE_DB_LEN];
char *pos1 = NULL;
char *pos2 = NULL;
switch_mutex_lock(dbh_mutex);
for (hi = switch_hash_first(NULL, dbh_hash); hi; hi = switch_hash_next(hi)) {
switch_hash_this(hi, &var, NULL, &val);
key = (char *) var;
if ((dbh = (switch_cache_db_handle_t *) val)) {
char *needle = "pass=\"";
time_t diff = 0;
diff = now - dbh->last_used;
if (switch_mutex_trylock(dbh->mutex) == SWITCH_STATUS_SUCCESS) {
switch_mutex_unlock(dbh->mutex);
locked = SWITCH_FALSE;
} else {
locked = SWITCH_TRUE;
}
/* sanitize password */
memset(cleankey_str, 0, sizeof(cleankey_str));
pos1 = strstr(key, needle) + strlen(needle);
pos2 = strstr(pos1, "\"");
strncpy(cleankey_str, key, pos1-key);
strcpy(&cleankey_str[pos1-key], pos2);
stream->write_function(stream, "%s\n\tType: %s\n\tLast used: %d\n\tFlags: %s, %s\n"
"\tCreator: %s\n\tLast User: %s\n",
cleankey_str,
switch_cache_db_type_name(dbh->type),
diff,
locked ? "Locked" : "Unlocked",
switch_test_flag(dbh, CDF_INUSE) ? "Attached" : "Detached",
dbh->creator,
dbh->last_user);
}
}
switch_mutex_unlock(dbh_mutex);
}
/* 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:
*/