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-rw-r--r--trunk/cdr/cdr_odbc.c264
1 files changed, 264 insertions, 0 deletions
diff --git a/trunk/cdr/cdr_odbc.c b/trunk/cdr/cdr_odbc.c
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index 000000000..af02d393c
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+++ b/trunk/cdr/cdr_odbc.c
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+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2003-2005, Digium, Inc.
+ *
+ * Brian K. West <brian@bkw.org>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*! \file
+ *
+ * \brief ODBC CDR Backend
+ *
+ * \author Brian K. West <brian@bkw.org>
+ *
+ * See also:
+ * \arg http://www.unixodbc.org
+ * \arg \ref Config_cdr
+ * \ingroup cdr_drivers
+ */
+
+/*** MODULEINFO
+ <depend>unixodbc</depend>
+ <depend>ltdl</depend>
+ ***/
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include <time.h>
+
+#include "asterisk/config.h"
+#include "asterisk/channel.h"
+#include "asterisk/cdr.h"
+#include "asterisk/module.h"
+#include "asterisk/res_odbc.h"
+
+#define DATE_FORMAT "%Y-%m-%d %T"
+
+static char *name = "ODBC";
+static char *config_file = "cdr_odbc.conf";
+static char *dsn = NULL, *table = NULL;
+
+enum {
+ CONFIG_LOGUNIQUEID = 1 << 0,
+ CONFIG_USEGMTIME = 1 << 1,
+ CONFIG_DISPOSITIONSTRING = 1 << 2,
+};
+
+static struct ast_flags config = { 0 };
+
+static SQLHSTMT prepare_cb(struct odbc_obj *obj, void *data)
+{
+ struct ast_cdr *cdr = data;
+ SQLRETURN ODBC_res;
+ char sqlcmd[2048] = "", timestr[128];
+ struct ast_tm tm;
+ SQLHSTMT stmt;
+
+ ast_localtime(&cdr->start, &tm, ast_test_flag(&config, CONFIG_USEGMTIME) ? "GMT" : NULL);
+ ast_strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
+
+ if (ast_test_flag(&config, CONFIG_LOGUNIQUEID)) {
+ snprintf(sqlcmd,sizeof(sqlcmd),"INSERT INTO %s "
+ "(calldate,clid,src,dst,dcontext,channel,dstchannel,lastapp,"
+ "lastdata,duration,billsec,disposition,amaflags,accountcode,uniqueid,userfield) "
+ "VALUES ({ts '%s'},?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)", table, timestr);
+ } else {
+ snprintf(sqlcmd,sizeof(sqlcmd),"INSERT INTO %s "
+ "(calldate,clid,src,dst,dcontext,channel,dstchannel,lastapp,lastdata,"
+ "duration,billsec,disposition,amaflags,accountcode) "
+ "VALUES ({ts '%s'},?,?,?,?,?,?,?,?,?,?,?,?,?)", table, timestr);
+ }
+
+ ODBC_res = SQLAllocHandle(SQL_HANDLE_STMT, obj->con, &stmt);
+
+ if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
+ ast_verb(11, "cdr_odbc: Failure in AllocStatement %d\n", ODBC_res);
+ SQLFreeHandle(SQL_HANDLE_STMT, stmt);
+ return NULL;
+ }
+
+ ODBC_res = SQLPrepare(stmt, (unsigned char *)sqlcmd, SQL_NTS);
+
+ if ((ODBC_res != SQL_SUCCESS) && (ODBC_res != SQL_SUCCESS_WITH_INFO)) {
+ ast_verb(11, "cdr_odbc: Error in PREPARE %d\n", ODBC_res);
+ SQLFreeHandle(SQL_HANDLE_STMT, stmt);
+ return NULL;
+ }
+
+ SQLBindParameter(stmt, 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->clid), 0, cdr->clid, 0, NULL);
+ SQLBindParameter(stmt, 2, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->src), 0, cdr->src, 0, NULL);
+ SQLBindParameter(stmt, 3, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dst), 0, cdr->dst, 0, NULL);
+ SQLBindParameter(stmt, 4, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dcontext), 0, cdr->dcontext, 0, NULL);
+ SQLBindParameter(stmt, 5, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->channel), 0, cdr->channel, 0, NULL);
+ SQLBindParameter(stmt, 6, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->dstchannel), 0, cdr->dstchannel, 0, NULL);
+ SQLBindParameter(stmt, 7, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->lastapp), 0, cdr->lastapp, 0, NULL);
+ SQLBindParameter(stmt, 8, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->lastdata), 0, cdr->lastdata, 0, NULL);
+ SQLBindParameter(stmt, 9, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->duration, 0, NULL);
+ SQLBindParameter(stmt, 10, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->billsec, 0, NULL);
+ if (ast_test_flag(&config, CONFIG_DISPOSITIONSTRING))
+ SQLBindParameter(stmt, 11, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(ast_cdr_disp2str(cdr->disposition)) + 1, 0, ast_cdr_disp2str(cdr->disposition), 0, NULL);
+ else
+ SQLBindParameter(stmt, 11, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->disposition, 0, NULL);
+ SQLBindParameter(stmt, 12, SQL_PARAM_INPUT, SQL_C_SLONG, SQL_INTEGER, 0, 0, &cdr->amaflags, 0, NULL);
+ SQLBindParameter(stmt, 13, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->accountcode), 0, cdr->accountcode, 0, NULL);
+
+ if (ast_test_flag(&config, CONFIG_LOGUNIQUEID)) {
+ SQLBindParameter(stmt, 14, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->uniqueid), 0, cdr->uniqueid, 0, NULL);
+ SQLBindParameter(stmt, 15, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, sizeof(cdr->userfield), 0, cdr->userfield, 0, NULL);
+ }
+
+ return stmt;
+}
+
+
+static int odbc_log(struct ast_cdr *cdr)
+{
+ struct odbc_obj *obj = ast_odbc_request_obj(dsn, 0);
+ SQLHSTMT stmt;
+
+ if (!obj) {
+ ast_log(LOG_ERROR, "Unable to retrieve database handle. CDR failed.\n");
+ return -1;
+ }
+
+ stmt = ast_odbc_prepare_and_execute(obj, prepare_cb, cdr);
+ if (stmt) {
+ SQLLEN rows = 0;
+
+ SQLRowCount(stmt, &rows);
+ SQLFreeHandle(SQL_HANDLE_STMT, stmt);
+
+ if (rows == 0)
+ ast_log(LOG_WARNING, "CDR successfully ran, but inserted 0 rows?\n");
+ } else
+ ast_log(LOG_ERROR, "CDR prepare or execute failed\n");
+ ast_odbc_release_obj(obj);
+ return 0;
+}
+
+static int odbc_load_module(int reload)
+{
+ int res = 0;
+ struct ast_config *cfg;
+ struct ast_variable *var;
+ const char *tmp;
+ struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
+
+ do {
+ cfg = ast_config_load(config_file, config_flags);
+ if (!cfg) {
+ ast_log(LOG_WARNING, "cdr_odbc: Unable to load config for ODBC CDR's: %s\n", config_file);
+ res = AST_MODULE_LOAD_DECLINE;
+ break;
+ } else if (cfg == CONFIG_STATUS_FILEUNCHANGED)
+ break;
+
+ var = ast_variable_browse(cfg, "global");
+ if (!var) {
+ /* nothing configured */
+ break;
+ }
+
+ if ((tmp = ast_variable_retrieve(cfg, "global", "dsn")) == NULL) {
+ ast_log(LOG_WARNING, "cdr_odbc: dsn not specified. Assuming asteriskdb\n");
+ tmp = "asteriskdb";
+ }
+ if (dsn)
+ ast_free(dsn);
+ dsn = ast_strdup(tmp);
+ if (dsn == NULL) {
+ res = -1;
+ break;
+ }
+
+ if (((tmp = ast_variable_retrieve(cfg, "global", "dispositionstring"))) && ast_true(tmp))
+ ast_set_flag(&config, CONFIG_DISPOSITIONSTRING);
+ else
+ ast_clear_flag(&config, CONFIG_DISPOSITIONSTRING);
+
+ if (((tmp = ast_variable_retrieve(cfg, "global", "loguniqueid"))) && ast_true(tmp)) {
+ ast_set_flag(&config, CONFIG_LOGUNIQUEID);
+ ast_debug(1, "cdr_odbc: Logging uniqueid\n");
+ } else {
+ ast_clear_flag(&config, CONFIG_LOGUNIQUEID);
+ ast_debug(1, "cdr_odbc: Not logging uniqueid\n");
+ }
+
+ if (((tmp = ast_variable_retrieve(cfg, "global", "usegmtime"))) && ast_true(tmp)) {
+ ast_set_flag(&config, CONFIG_USEGMTIME);
+ ast_debug(1, "cdr_odbc: Logging in GMT\n");
+ } else {
+ ast_clear_flag(&config, CONFIG_USEGMTIME);
+ ast_debug(1, "cdr_odbc: Logging in local time\n");
+ }
+
+ if ((tmp = ast_variable_retrieve(cfg, "global", "table")) == NULL) {
+ ast_log(LOG_WARNING, "cdr_odbc: table not specified. Assuming cdr\n");
+ tmp = "cdr";
+ }
+ if (table)
+ ast_free(table);
+ table = ast_strdup(tmp);
+ if (table == NULL) {
+ res = -1;
+ break;
+ }
+
+ ast_verb(3, "cdr_odbc: dsn is %s\n", dsn);
+ ast_verb(3, "cdr_odbc: table is %s\n", table);
+
+ res = ast_cdr_register(name, ast_module_info->description, odbc_log);
+ if (res) {
+ ast_log(LOG_ERROR, "cdr_odbc: Unable to register ODBC CDR handling\n");
+ }
+ } while (0);
+
+ if (cfg && cfg != CONFIG_STATUS_FILEUNCHANGED)
+ ast_config_destroy(cfg);
+ return res;
+}
+
+static int load_module(void)
+{
+ return odbc_load_module(0);
+}
+
+static int unload_module(void)
+{
+ ast_cdr_unregister(name);
+
+ if (dsn) {
+ ast_verb(11, "cdr_odbc: free dsn\n");
+ ast_free(dsn);
+ }
+ if (table) {
+ ast_verb(11, "cdr_odbc: free table\n");
+ ast_free(table);
+ }
+
+ return 0;
+}
+
+static int reload(void)
+{
+ return odbc_load_module(1);
+}
+
+AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT, "ODBC CDR Backend",
+ .load = load_module,
+ .unload = unload_module,
+ .reload = reload,
+ );