This repository has been archived on 2024-08-17. You can view files and clone it, but cannot push or open issues or pull requests.
freeswitch_rs/include/switch_odbc.c

859 lines
22 KiB
C

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2014, 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>
*
* switch_odbc.c -- ODBC
*
*/
#include <switch.h>
#ifdef SWITCH_HAVE_ODBC
#include <sql.h>
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable:4201)
#include <sqlext.h>
#pragma warning(pop)
#else
#include <sqlext.h>
#endif
#include <sqltypes.h>
#if (ODBCVER < 0x0300)
#define SQL_NO_DATA SQL_SUCCESS
#endif
struct switch_odbc_handle {
char *dsn;
char *username;
char *password;
SQLHENV env;
SQLHDBC con;
switch_odbc_state_t state;
char odbc_driver[256];
BOOL is_firebird;
BOOL is_oracle;
int affected_rows;
int num_retries;
};
#endif
uint8_t skip_autocommit_flip = 0;
SWITCH_DECLARE(void) switch_odbc_skip_autocommit_flip(void)
{
skip_autocommit_flip = 1;
}
SWITCH_DECLARE(switch_odbc_handle_t *) switch_odbc_handle_new(const char *dsn, const char *username, const char *password)
{
#ifdef SWITCH_HAVE_ODBC
switch_odbc_handle_t *new_handle;
if (!(new_handle = malloc(sizeof(*new_handle)))) {
goto err;
}
memset(new_handle, 0, sizeof(*new_handle));
if (!(new_handle->dsn = strdup(dsn))) {
goto err;
}
if (username) {
if (!(new_handle->username = strdup(username))) {
goto err;
}
}
if (password) {
if (!(new_handle->password = strdup(password))) {
goto err;
}
}
new_handle->env = SQL_NULL_HANDLE;
new_handle->state = SWITCH_ODBC_STATE_INIT;
new_handle->affected_rows = 0;
new_handle->num_retries = DEFAULT_ODBC_RETRIES;
return new_handle;
err:
if (new_handle) {
switch_safe_free(new_handle->dsn);
switch_safe_free(new_handle->username);
switch_safe_free(new_handle->password);
switch_safe_free(new_handle);
}
#endif
return NULL;
}
SWITCH_DECLARE(void) switch_odbc_set_num_retries(switch_odbc_handle_t *handle, int num_retries)
{
#ifdef SWITCH_HAVE_ODBC
if (handle) {
handle->num_retries = num_retries;
}
#endif
}
SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_disconnect(switch_odbc_handle_t *handle)
{
#ifdef SWITCH_HAVE_ODBC
int result;
if (!handle) {
return SWITCH_ODBC_FAIL;
}
if (handle->state == SWITCH_ODBC_STATE_CONNECTED) {
result = SQLDisconnect(handle->con);
if (result == SWITCH_ODBC_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG10, "Disconnected %d from [%s]\n", result, handle->dsn);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error Disconnecting [%s]\n", handle->dsn);
}
}
handle->state = SWITCH_ODBC_STATE_DOWN;
return SWITCH_ODBC_SUCCESS;
#else
return SWITCH_ODBC_FAIL;
#endif
}
#ifdef SWITCH_HAVE_ODBC
static switch_odbc_status_t init_odbc_handles(switch_odbc_handle_t *handle, switch_bool_t do_reinit)
{
int result;
if (!handle) {
return SWITCH_ODBC_FAIL;
}
/* if handle is already initialized, and we're supposed to reinit - free old handle first */
if (do_reinit == SWITCH_TRUE && handle->env != SQL_NULL_HANDLE) {
SQLFreeHandle(SQL_HANDLE_DBC, handle->con);
SQLFreeHandle(SQL_HANDLE_ENV, handle->env);
handle->env = SQL_NULL_HANDLE;
}
if (handle->env == SQL_NULL_HANDLE) {
result = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &handle->env);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error AllocHandle\n");
handle->env = SQL_NULL_HANDLE; /* Reset handle value, just in case */
return SWITCH_ODBC_FAIL;
}
result = SQLSetEnvAttr(handle->env, SQL_ATTR_ODBC_VERSION, (void *) SQL_OV_ODBC3, 0);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error SetEnv\n");
SQLFreeHandle(SQL_HANDLE_ENV, handle->env);
handle->env = SQL_NULL_HANDLE; /* Reset handle value after it's freed */
return SWITCH_ODBC_FAIL;
}
result = SQLAllocHandle(SQL_HANDLE_DBC, handle->env, &handle->con);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error AllocHDB %d\n", result);
SQLFreeHandle(SQL_HANDLE_ENV, handle->env);
handle->env = SQL_NULL_HANDLE; /* Reset handle value after it's freed */
return SWITCH_ODBC_FAIL;
}
SQLSetConnectAttr(handle->con, SQL_LOGIN_TIMEOUT, (SQLPOINTER *) 10, 0);
}
return SWITCH_ODBC_SUCCESS;
}
static int db_is_up(switch_odbc_handle_t *handle)
{
int ret = 0;
SQLHSTMT stmt = NULL;
SQLLEN m = 0;
int result;
switch_event_t *event;
switch_odbc_status_t recon = 0;
char *err_str = NULL;
SQLCHAR sql[255] = "";
int max_tries = DEFAULT_ODBC_RETRIES;
int code = 0;
SQLRETURN rc;
SQLSMALLINT nresultcols;
if (handle) {
max_tries = handle->num_retries;
if (max_tries < 1)
max_tries = DEFAULT_ODBC_RETRIES;
}
top:
if (!handle) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "No DB Handle\n");
goto done;
}
if (handle->is_oracle) {
strcpy((char *) sql, "select 1 from dual");
} else if (handle->is_firebird) {
strcpy((char *) sql, "select first 1 * from RDB$RELATIONS");
} else {
strcpy((char *) sql, "select 1");
}
if (SQLAllocHandle(SQL_HANDLE_STMT, handle->con, &stmt) != SQL_SUCCESS) {
code = __LINE__;
goto error;
}
SQLSetStmtAttr(stmt, SQL_ATTR_QUERY_TIMEOUT, (SQLPOINTER)30, 0);
if (SQLPrepare(stmt, sql, SQL_NTS) != SQL_SUCCESS) {
code = __LINE__;
goto error;
}
result = SQLExecute(stmt);
if (result != SQL_SUCCESS && result != SQL_SUCCESS_WITH_INFO) {
code = __LINE__;
goto error;
}
SQLRowCount(stmt, &m);
rc = SQLNumResultCols(stmt, &nresultcols);
if (rc != SQL_SUCCESS) {
code = __LINE__;
goto error;
}
ret = (int) nresultcols;
/* determine statement type */
if (nresultcols <= 0) {
/* statement is not a select statement */
code = __LINE__;
goto error;
}
goto done;
error:
err_str = switch_odbc_handle_get_error(handle, stmt);
/* Make sure to free the handle before we try to reconnect */
if (stmt) {
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
stmt = NULL;
}
recon = switch_odbc_handle_connect(handle);
max_tries--;
if (switch_event_create(&event, SWITCH_EVENT_TRAP) == SWITCH_STATUS_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Failure-Message", "The sql server is not responding for DSN %s [%s][%d]",
switch_str_nil(handle->dsn), switch_str_nil(err_str), code);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "The sql server is not responding for DSN %s [%s][%d]\n",
switch_str_nil(handle->dsn), switch_str_nil(err_str), code);
if (recon == SWITCH_ODBC_SUCCESS) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Additional-Info", "The connection has been re-established");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "The connection has been re-established\n");
} else {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Additional-Info", "The connection could not be re-established");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "The connection could not be re-established\n");
}
if (!max_tries) {
switch_event_add_header(event, SWITCH_STACK_BOTTOM, "Additional-Info", "Giving up!");
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Giving up!\n");
}
switch_event_fire(&event);
}
if (!max_tries) {
goto done;
}
switch_safe_free(err_str);
switch_yield(1000000);
goto top;
done:
switch_safe_free(err_str);
if (stmt) {
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
}
return ret;
}
#endif
SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_statement_handle_free(switch_odbc_statement_handle_t *stmt)
{
if (!stmt || !*stmt) {
return SWITCH_ODBC_FAIL;
}
#ifdef SWITCH_HAVE_ODBC
SQLFreeHandle(SQL_HANDLE_STMT, *stmt);
*stmt = NULL;
return SWITCH_ODBC_SUCCESS;
#else
return SWITCH_ODBC_FAIL;
#endif
}
SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_connect(switch_odbc_handle_t *handle)
{
#ifdef SWITCH_HAVE_ODBC
int result;
SQLINTEGER err;
int16_t mlen;
unsigned char msg[200] = "", stat[10] = "";
SQLSMALLINT valueLength = 0;
int i = 0;
init_odbc_handles(handle, SWITCH_FALSE); /* Init ODBC handles, if they are already initialized, don't do it again */
if (handle->state == SWITCH_ODBC_STATE_CONNECTED) {
switch_odbc_handle_disconnect(handle);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "Re-connecting %s\n", handle->dsn);
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "Connecting %s\n", handle->dsn);
if (!strstr(handle->dsn, "DRIVER")) {
result = SQLConnect(handle->con, (SQLCHAR *) handle->dsn, SQL_NTS, (SQLCHAR *) handle->username, SQL_NTS, (SQLCHAR *) handle->password, SQL_NTS);
} else {
SQLCHAR outstr[1024] = { 0 };
SQLSMALLINT outstrlen = 0;
result =
SQLDriverConnect(handle->con, NULL, (SQLCHAR *) handle->dsn, (SQLSMALLINT) strlen(handle->dsn), outstr, sizeof(outstr), &outstrlen,
SQL_DRIVER_NOPROMPT);
}
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)) {
char *err_str;
if ((err_str = switch_odbc_handle_get_error(handle, NULL))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%s\n", err_str);
free(err_str);
} else {
SQLGetDiagRec(SQL_HANDLE_DBC, handle->con, 1, stat, &err, msg, sizeof(msg), &mlen);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Error SQLConnect=%d errno=%d [%s]\n", result, (int) err, msg);
}
/* Deallocate handles again, more chanses to succeed when reconnecting */
init_odbc_handles(handle, SWITCH_TRUE); /* Reinit ODBC handles */
return SWITCH_ODBC_FAIL;
}
result = SQLGetInfo(handle->con, SQL_DRIVER_NAME, (SQLCHAR *) handle->odbc_driver, 255, &valueLength);
if (result == SQL_SUCCESS || result == SQL_SUCCESS_WITH_INFO) {
for (i = 0; i < valueLength; ++i)
handle->odbc_driver[i] = (char) toupper(handle->odbc_driver[i]);
}
if (strstr(handle->odbc_driver, "SQORA32.DLL") != 0 || strstr(handle->odbc_driver, "SQORA64.DLL") != 0) {
handle->is_firebird = FALSE;
handle->is_oracle = TRUE;
} else if (strstr(handle->odbc_driver, "FIREBIRD") != 0 || strstr(handle->odbc_driver, "FB32") != 0 || strstr(handle->odbc_driver, "FB64") != 0) {
handle->is_firebird = TRUE;
handle->is_oracle = FALSE;
} else {
handle->is_firebird = FALSE;
handle->is_oracle = FALSE;
}
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG1, "Connected to [%s]\n", handle->dsn);
handle->state = SWITCH_ODBC_STATE_CONNECTED;
return SWITCH_ODBC_SUCCESS;
#else
return SWITCH_ODBC_FAIL;
#endif
}
SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec_string(switch_odbc_handle_t *handle, const char *sql, char *resbuf, size_t len, char **err)
{
#ifdef SWITCH_HAVE_ODBC
switch_odbc_status_t sstatus = SWITCH_ODBC_FAIL;
switch_odbc_statement_handle_t stmt = NULL;
SQLCHAR name[1024];
SQLLEN m = 0;
handle->affected_rows = 0;
if (switch_odbc_handle_exec(handle, sql, &stmt, err) == SWITCH_ODBC_SUCCESS) {
SQLSMALLINT NameLength, DataType, DecimalDigits, Nullable;
SQLULEN ColumnSize;
int result;
SQLRowCount(stmt, &m);
handle->affected_rows = (int) m;
if (m == 0) {
goto done;
}
result = SQLFetch(stmt);
if (result != SQL_SUCCESS && result != SQL_SUCCESS_WITH_INFO && result != SQL_NO_DATA) {
goto done;
}
SQLDescribeCol(stmt, 1, name, sizeof(name), &NameLength, &DataType, &ColumnSize, &DecimalDigits, &Nullable);
SQLGetData(stmt, 1, SQL_C_CHAR, (SQLCHAR *) resbuf, (SQLLEN) len, NULL);
sstatus = SWITCH_ODBC_SUCCESS;
}
done:
switch_odbc_statement_handle_free(&stmt);
return sstatus;
#else
return SWITCH_ODBC_FAIL;
#endif
}
SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_exec(switch_odbc_handle_t *handle, const char *sql, switch_odbc_statement_handle_t *rstmt,
char **err)
{
#ifdef SWITCH_HAVE_ODBC
SQLHSTMT stmt = NULL;
int result;
char *err_str = NULL, *err2 = NULL;
SQLLEN m = 0;
handle->affected_rows = 0;
if (!db_is_up(handle)) {
goto error;
}
if (SQLAllocHandle(SQL_HANDLE_STMT, handle->con, &stmt) != SQL_SUCCESS) {
err2 = "SQLAllocHandle failed.";
goto error;
}
if (SQLPrepare(stmt, (unsigned char *) sql, SQL_NTS) != SQL_SUCCESS) {
err2 = "SQLPrepare failed.";
goto error;
}
result = SQLExecute(stmt);
switch (result) {
case SQL_SUCCESS:
case SQL_SUCCESS_WITH_INFO:
case SQL_NO_DATA:
break;
case SQL_ERROR:
err2 = "SQLExecute returned SQL_ERROR.";
goto error;
break;
case SQL_NEED_DATA:
err2 = "SQLExecute returned SQL_NEED_DATA.";
goto error;
break;
default:
err2 = "SQLExecute returned unknown result code.";
goto error;
}
SQLRowCount(stmt, &m);
handle->affected_rows = (int) m;
if (rstmt) {
*rstmt = stmt;
} else {
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
}
return SWITCH_ODBC_SUCCESS;
error:
if (stmt) {
err_str = switch_odbc_handle_get_error(handle, stmt);
}
if (zstr(err_str)) {
if (err2) {
err_str = strdup(err2);
} else {
err_str = strdup((char *)"SQL ERROR!");
}
}
if (err_str) {
if (!switch_stristr("already exists", err_str) && !switch_stristr("duplicate key name", err_str)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "ERR: [%s]\n[%s]\n", sql, switch_str_nil(err_str));
}
if (err) {
*err = err_str;
} else {
free(err_str);
}
}
if (rstmt) {
*rstmt = stmt;
} else if (stmt) {
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
}
#endif
return SWITCH_ODBC_FAIL;
}
SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_handle_callback_exec_detailed(const char *file, const char *func, int line,
switch_odbc_handle_t *handle,
const char *sql, switch_core_db_callback_func_t callback, void *pdata,
char **err)
{
#ifdef SWITCH_HAVE_ODBC
SQLHSTMT stmt = NULL;
SQLSMALLINT c = 0, x = 0;
SQLLEN m = 0;
char *x_err = NULL, *err_str = NULL;
int result;
int err_cnt = 0;
int done = 0;
handle->affected_rows = 0;
switch_assert(callback != NULL);
if (!db_is_up(handle)) {
x_err = "DB is not up!";
goto error;
}
if (SQLAllocHandle(SQL_HANDLE_STMT, handle->con, &stmt) != SQL_SUCCESS) {
x_err = "Unable to SQL allocate handle!";
goto error;
}
if (SQLPrepare(stmt, (unsigned char *) sql, SQL_NTS) != SQL_SUCCESS) {
x_err = "Unable to prepare SQL statement!";
goto error;
}
result = SQLExecute(stmt);
if (result != SQL_SUCCESS && result != SQL_SUCCESS_WITH_INFO && result != SQL_NO_DATA) {
x_err = "execute error!";
goto error;
}
SQLNumResultCols(stmt, &c);
SQLRowCount(stmt, &m);
handle->affected_rows = (int) m;
while (!done) {
int name_len = 256;
char **names;
char **vals;
int y = 0;
result = SQLFetch(stmt);
if (result != SQL_SUCCESS) {
if (result != SQL_NO_DATA) {
err_cnt++;
}
break;
}
names = calloc(c, sizeof(*names));
vals = calloc(c, sizeof(*vals));
switch_assert(names && vals);
for (x = 1; x <= c; x++) {
SQLSMALLINT NameLength = 0, DataType = 0, DecimalDigits = 0, Nullable = 0;
SQLULEN ColumnSize = 0;
SQLLEN numRecs = 0;
SQLCHAR SqlState[6], Msg[SQL_MAX_MESSAGE_LENGTH];
SQLINTEGER NativeError;
SQLSMALLINT diagCount, MsgLen;
names[y] = malloc(name_len);
switch_assert(names[y]);
memset(names[y], 0, name_len);
SQLDescribeCol(stmt, x, (SQLCHAR *) names[y], (SQLSMALLINT) name_len, &NameLength, &DataType, &ColumnSize, &DecimalDigits, &Nullable);
if (ColumnSize <= 16383 || ColumnSize == 2147483647) {
SQLCHAR val[16384] = { 0 };
SQLLEN StrLen_or_IndPtr;
SQLRETURN rc;
ColumnSize = 16384;
/* check diag record and see if we can get real size
* https://docs.microsoft.com/en-us/sql/odbc/reference/develop-app/using-sqlgetdiagrec-and-sqlgetdiagfield?view=sql-server-ver15
* szSqlState = "01004" and StrLen_or_IndPtr=15794
*/
rc = SQLGetData(stmt, x, SQL_C_CHAR, val, ColumnSize, &StrLen_or_IndPtr);
if (rc == SQL_SUCCESS_WITH_INFO) {
int truncated = 0;
diagCount = 1;
SQLGetDiagField(SQL_HANDLE_STMT, stmt, 0, SQL_DIAG_NUMBER, &numRecs, 0, 0);
while (diagCount <= numRecs) {
SQLGetDiagRec(SQL_HANDLE_STMT, stmt, diagCount, SqlState, &NativeError,Msg, sizeof(Msg), &MsgLen);
if (!strcmp((char*)SqlState,"01004")){
truncated = 1;
break;
}
diagCount++;
}
if (truncated) {
if (StrLen_or_IndPtr && StrLen_or_IndPtr <= 268435456) {
int ValLen = strlen((char*)val);
ColumnSize = StrLen_or_IndPtr + 1;
vals[y] = malloc(ColumnSize);
switch_assert(vals[y]);
memset(vals[y], 0, ColumnSize);
strcpy(vals[y], (char*)val);
rc = SQLGetData(stmt, x, SQL_C_CHAR, (SQLCHAR *)vals[y] + ValLen, ColumnSize - ValLen, NULL);
if (rc != SQL_SUCCESS
#if (ODBCVER >= 0x0300)
&& rc != SQL_NO_DATA
#endif
) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQLGetData was truncated and failed to complete.\n");
switch_safe_free(vals[y]);
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "sql data truncated - %s\n",SqlState);
vals[y] = NULL;
}
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQLGetData failed\n");
vals[y] = NULL;
}
} else if (rc == SQL_SUCCESS){
vals[y] = strdup((char *)val);
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "SQLGetData failed\n");
vals[y] = NULL;
}
} else {
ColumnSize++;
vals[y] = malloc(ColumnSize);
switch_assert(vals[y]);
memset(vals[y], 0, ColumnSize);
SQLGetData(stmt, x, SQL_C_CHAR, (SQLCHAR *) vals[y], ColumnSize, NULL);
}
y++;
}
if (callback(pdata, y, vals, names)) {
done = 1;
}
for (x = 0; x < y; x++) {
free(names[x]);
switch_safe_free(vals[x]);
}
free(names);
free(vals);
}
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
stmt = NULL; /* Make sure we don't try to free this handle again */
if (!err_cnt) {
return SWITCH_ODBC_SUCCESS;
}
error:
if (stmt) {
err_str = switch_odbc_handle_get_error(handle, stmt);
}
if (zstr(err_str) && !zstr(x_err)) {
err_str = strdup(x_err);
}
if (err_str) {
switch_log_printf(SWITCH_CHANNEL_ID_LOG, file, func, line, NULL, SWITCH_LOG_ERROR, "ERR: [%s]\n[%s]\n", sql, switch_str_nil(err_str));
if (err) {
*err = err_str;
} else {
free(err_str);
}
}
if (stmt) {
SQLFreeHandle(SQL_HANDLE_STMT, stmt);
}
#endif
return SWITCH_ODBC_FAIL;
}
SWITCH_DECLARE(void) switch_odbc_handle_destroy(switch_odbc_handle_t **handlep)
{
#ifdef SWITCH_HAVE_ODBC
switch_odbc_handle_t *handle = NULL;
if (!handlep) {
return;
}
handle = *handlep;
if (handle) {
switch_odbc_handle_disconnect(handle);
if (handle->env != SQL_NULL_HANDLE) {
SQLFreeHandle(SQL_HANDLE_DBC, handle->con);
SQLFreeHandle(SQL_HANDLE_ENV, handle->env);
}
switch_safe_free(handle->dsn);
switch_safe_free(handle->username);
switch_safe_free(handle->password);
free(handle);
}
*handlep = NULL;
#else
return;
#endif
}
SWITCH_DECLARE(switch_odbc_state_t) switch_odbc_handle_get_state(switch_odbc_handle_t *handle)
{
#ifdef SWITCH_HAVE_ODBC
return handle ? handle->state : SWITCH_ODBC_STATE_INIT;
#else
return SWITCH_ODBC_STATE_ERROR;
#endif
}
SWITCH_DECLARE(char *) switch_odbc_handle_get_error(switch_odbc_handle_t *handle, switch_odbc_statement_handle_t stmt)
{
#ifdef SWITCH_HAVE_ODBC
char buffer[SQL_MAX_MESSAGE_LENGTH + 1] = "";
char sqlstate[SQL_SQLSTATE_SIZE + 1] = "";
SQLINTEGER sqlcode;
SQLSMALLINT length;
char *ret = NULL;
if (SQLError(handle->env, handle->con, stmt, (SQLCHAR *) sqlstate, &sqlcode, (SQLCHAR *) buffer, sizeof(buffer), &length) == SQL_SUCCESS) {
ret = switch_mprintf("STATE: %s CODE %ld ERROR: %s\n", sqlstate, sqlcode, buffer);
};
return ret;
#else
return NULL;
#endif
}
SWITCH_DECLARE(int) switch_odbc_handle_affected_rows(switch_odbc_handle_t *handle)
{
#ifdef SWITCH_HAVE_ODBC
return handle->affected_rows;
#else
return 0;
#endif
}
SWITCH_DECLARE(switch_bool_t) switch_odbc_available(void)
{
#ifdef SWITCH_HAVE_ODBC
return SWITCH_TRUE;
#else
return SWITCH_FALSE;
#endif
}
SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_SQLSetAutoCommitAttr(switch_odbc_handle_t *handle, switch_bool_t on)
{
#ifdef SWITCH_HAVE_ODBC
if (skip_autocommit_flip) {
return SWITCH_ODBC_SUCCESS;
}
if (on) {
return SQLSetConnectAttr(handle->con, SQL_ATTR_AUTOCOMMIT, (SQLPOINTER *) SQL_AUTOCOMMIT_ON, 0 );
} else {
return SQLSetConnectAttr(handle->con, SQL_ATTR_AUTOCOMMIT, (SQLPOINTER *) SQL_AUTOCOMMIT_OFF, 0 );
}
#else
return (switch_odbc_status_t) SWITCH_FALSE;
#endif
}
SWITCH_DECLARE(switch_odbc_status_t) switch_odbc_SQLEndTran(switch_odbc_handle_t *handle, switch_bool_t commit)
{
#ifdef SWITCH_HAVE_ODBC
if (commit) {
return SQLEndTran(SQL_HANDLE_DBC, handle->con, SQL_COMMIT);
} else {
return SQLEndTran(SQL_HANDLE_DBC, handle->con, SQL_ROLLBACK);
}
#else
return (switch_odbc_status_t) SWITCH_FALSE;
#endif
}
/* 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 noet:
*/