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This fix comes from a debugging session on a test box that has been getting hung channels when the mssqlserver bounces. All the connections then become invalid, and must be reconnected. The cdr_odbc backend had code to do it, but depended on re-establishing the connection, but re-using the STMT that had been built. By trial and error, we determined that the STMT could not be re-used after the connection was re-established. and must be rebuilt. These changes accomplish this.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@143674 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Steve Murphy
2008-09-19 21:07:05 +00:00
parent d4748ad3c3
commit fc6f84e9e9
1 changed files with 15 additions and 10 deletions
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25
cdr/cdr_odbc.c
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@@ -90,7 +90,7 @@ static void odbc_disconnect(void)
connected = 0;
}
static int odbc_log(struct ast_cdr *cdr)
static void build_query(struct ast_cdr *cdr)
{
int ODBC_res;
char sqlcmd[2048] = "", timestr[128];
@@ -102,7 +102,6 @@ static int odbc_log(struct ast_cdr *cdr)
else
ast_localtime(&cdr->start.tv_sec, &tm, NULL);
ast_mutex_lock(&odbc_lock);
strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
memset(sqlcmd,0,2048);
if (loguniqueid) {
@@ -116,13 +115,12 @@ static int odbc_log(struct ast_cdr *cdr)
"duration,billsec,disposition,amaflags,accountcode) "
"VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?)", table);
}
if (!connected) {
res = odbc_init();
if (res < 0) {
odbc_disconnect();
ast_mutex_unlock(&odbc_lock);
return 0;
return;
}
}
@@ -134,7 +132,7 @@ static int odbc_log(struct ast_cdr *cdr)
SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
odbc_disconnect();
ast_mutex_unlock(&odbc_lock);
return 0;
return;
}
/* We really should only have to do this once. But for some
@@ -149,7 +147,7 @@ static int odbc_log(struct ast_cdr *cdr)
SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
odbc_disconnect();
ast_mutex_unlock(&odbc_lock);
return 0;
return;
}
SQLBindParameter(ODBC_stmt, 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(timestr), 0, &timestr, 0, NULL);
@@ -174,6 +172,14 @@ static int odbc_log(struct ast_cdr *cdr)
SQLBindParameter(ODBC_stmt, 15, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->uniqueid), 0, cdr->uniqueid, 0, NULL);
SQLBindParameter(ODBC_stmt, 16, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->userfield), 0, cdr->userfield, 0, NULL);
}
}
static int odbc_log(struct ast_cdr *cdr)
{
int res = 0;
ast_mutex_lock(&odbc_lock);
build_query(cdr);
if (connected) {
res = odbc_do_query();
@@ -182,7 +188,7 @@ static int odbc_log(struct ast_cdr *cdr)
ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Query FAILED Call not logged!\n");
if (option_verbose > 10)
ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Reconnecting to dsn %s\n", dsn);
SQLDisconnect(ODBC_con);
odbc_disconnect();
res = odbc_init();
if (res < 0) {
if (option_verbose > 10)
@@ -191,6 +197,8 @@ static int odbc_log(struct ast_cdr *cdr)
} else {
if (option_verbose > 10)
ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Trying Query again!\n");
SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
build_query(cdr); /* what a waste. If we have to reconnect, we have to build a new query */
res = odbc_do_query();
if (res < 0) {
if (option_verbose > 10)
@@ -374,14 +382,11 @@ out:
static int odbc_do_query(void)
{
int ODBC_res;
ODBC_res = SQLExecute(ODBC_stmt);
if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
if (option_verbose > 10)
ast_verbose( VERBOSE_PREFIX_4 "cdr_odbc: Error in Query %d\n", ODBC_res);
SQLFreeHandle(SQL_HANDLE_STMT, ODBC_stmt);
odbc_disconnect();
return -1;
} else {
if (option_verbose > 10)