mirror of https://github.com/asterisk/asterisk
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
636 lines
20 KiB
636 lines
20 KiB
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (C) 2003 - 2006
|
|
*
|
|
* Matthew D. Hardeman <mhardemn@papersoft.com>
|
|
* Adapted from the MySQL CDR logger originally by James Sharp
|
|
*
|
|
* Modified September 2003
|
|
* Matthew D. Hardeman <mhardemn@papersoft.com>
|
|
*
|
|
* 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 PostgreSQL CDR logger
|
|
*
|
|
* \author Matthew D. Hardeman <mhardemn@papersoft.com>
|
|
* \extref PostgreSQL http://www.postgresql.org/
|
|
*
|
|
* See also
|
|
* \arg \ref Config_cdr
|
|
* \extref PostgreSQL http://www.postgresql.org/
|
|
* \ingroup cdr_drivers
|
|
*/
|
|
|
|
/*** MODULEINFO
|
|
<depend>pgsql</depend>
|
|
***/
|
|
|
|
#include "asterisk.h"
|
|
|
|
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
|
|
|
|
#include <libpq-fe.h>
|
|
|
|
#include "asterisk/config.h"
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/cdr.h"
|
|
#include "asterisk/module.h"
|
|
|
|
#define DATE_FORMAT "'%Y-%m-%d %T'"
|
|
|
|
static const char name[] = "pgsql";
|
|
static const char config[] = "cdr_pgsql.conf";
|
|
static char *pghostname = NULL, *pgdbname = NULL, *pgdbuser = NULL, *pgpassword = NULL, *pgdbport = NULL, *table = NULL, *encoding = NULL;
|
|
static int connected = 0;
|
|
static int maxsize = 512, maxsize2 = 512;
|
|
|
|
AST_MUTEX_DEFINE_STATIC(pgsql_lock);
|
|
|
|
static PGconn *conn = NULL;
|
|
|
|
struct columns {
|
|
char *name;
|
|
char *type;
|
|
int len;
|
|
unsigned int notnull:1;
|
|
unsigned int hasdefault:1;
|
|
AST_RWLIST_ENTRY(columns) list;
|
|
};
|
|
|
|
static AST_RWLIST_HEAD_STATIC(psql_columns, columns);
|
|
|
|
#define LENGTHEN_BUF1(size) \
|
|
do { \
|
|
/* Lengthen buffer, if necessary */ \
|
|
if (ast_str_strlen(sql) + size + 1 > ast_str_size(sql)) { \
|
|
if (ast_str_make_space(&sql, ((ast_str_size(sql) + size + 3) / 512 + 1) * 512) != 0) { \
|
|
ast_log(LOG_ERROR, "Unable to allocate sufficient memory. Insert CDR failed.\n"); \
|
|
ast_free(sql); \
|
|
ast_free(sql2); \
|
|
AST_RWLIST_UNLOCK(&psql_columns); \
|
|
return -1; \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
#define LENGTHEN_BUF2(size) \
|
|
do { \
|
|
if (ast_str_strlen(sql2) + size + 1 > ast_str_size(sql2)) { \
|
|
if (ast_str_make_space(&sql2, ((ast_str_size(sql2) + size + 3) / 512 + 1) * 512) != 0) { \
|
|
ast_log(LOG_ERROR, "Unable to allocate sufficient memory. Insert CDR failed.\n"); \
|
|
ast_free(sql); \
|
|
ast_free(sql2); \
|
|
AST_RWLIST_UNLOCK(&psql_columns); \
|
|
return -1; \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
static int pgsql_log(struct ast_cdr *cdr)
|
|
{
|
|
struct ast_tm tm;
|
|
char *pgerror;
|
|
PGresult *result;
|
|
|
|
ast_mutex_lock(&pgsql_lock);
|
|
|
|
if ((!connected) && pghostname && pgdbuser && pgpassword && pgdbname) {
|
|
conn = PQsetdbLogin(pghostname, pgdbport, NULL, NULL, pgdbname, pgdbuser, pgpassword);
|
|
if (PQstatus(conn) != CONNECTION_BAD) {
|
|
connected = 1;
|
|
if (PQsetClientEncoding(conn, encoding)) {
|
|
#ifdef HAVE_PGSQL_pg_encoding_to_char
|
|
ast_log(LOG_WARNING, "Failed to set encoding to '%s'. Encoding set to default '%s'\n", encoding, pg_encoding_to_char(PQclientEncoding(conn)));
|
|
#else
|
|
ast_log(LOG_WARNING, "Failed to set encoding to '%s'. Encoding set to default.\n", encoding);
|
|
#endif
|
|
}
|
|
} else {
|
|
pgerror = PQerrorMessage(conn);
|
|
ast_log(LOG_ERROR, "Unable to connect to database server %s. Calls will not be logged!\n", pghostname);
|
|
ast_log(LOG_ERROR, "Reason: %s\n", pgerror);
|
|
PQfinish(conn);
|
|
conn = NULL;
|
|
}
|
|
}
|
|
|
|
if (connected) {
|
|
struct columns *cur;
|
|
struct ast_str *sql = ast_str_create(maxsize), *sql2 = ast_str_create(maxsize2);
|
|
char buf[257], escapebuf[513], *value;
|
|
int first = 1;
|
|
|
|
if (!sql || !sql2) {
|
|
if (sql) {
|
|
ast_free(sql);
|
|
}
|
|
if (sql2) {
|
|
ast_free(sql2);
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
ast_str_set(&sql, 0, "INSERT INTO %s (", table);
|
|
ast_str_set(&sql2, 0, " VALUES (");
|
|
|
|
AST_RWLIST_RDLOCK(&psql_columns);
|
|
AST_RWLIST_TRAVERSE(&psql_columns, cur, list) {
|
|
/* For fields not set, simply skip them */
|
|
ast_cdr_getvar(cdr, cur->name, &value, buf, sizeof(buf), 0, 0);
|
|
if (strcmp(cur->name, "calldate") == 0 && !value) {
|
|
ast_cdr_getvar(cdr, "start", &value, buf, sizeof(buf), 0, 0);
|
|
}
|
|
if (!value) {
|
|
if (cur->notnull && !cur->hasdefault) {
|
|
/* Field is NOT NULL (but no default), must include it anyway */
|
|
LENGTHEN_BUF1(strlen(cur->name) + 2);
|
|
ast_str_append(&sql, 0, "%s\"%s\"", first ? "" : ",", cur->name);
|
|
LENGTHEN_BUF2(3);
|
|
ast_str_append(&sql2, 0, "%s''", first ? "" : ",");
|
|
first = 0;
|
|
}
|
|
continue;
|
|
}
|
|
|
|
LENGTHEN_BUF1(strlen(cur->name) + 2);
|
|
ast_str_append(&sql, 0, "%s\"%s\"", first ? "" : ",", cur->name);
|
|
|
|
if (strcmp(cur->name, "start") == 0 || strcmp(cur->name, "calldate") == 0) {
|
|
if (strncmp(cur->type, "int", 3) == 0) {
|
|
LENGTHEN_BUF2(13);
|
|
ast_str_append(&sql2, 0, "%s%ld", first ? "" : ",", (long) cdr->start.tv_sec);
|
|
} else if (strncmp(cur->type, "float", 5) == 0) {
|
|
LENGTHEN_BUF2(31);
|
|
ast_str_append(&sql2, 0, "%s%f", first ? "" : ",", (double)cdr->start.tv_sec + (double)cdr->start.tv_usec / 1000000.0);
|
|
} else {
|
|
/* char, hopefully */
|
|
LENGTHEN_BUF2(31);
|
|
ast_localtime(&cdr->start, &tm, NULL);
|
|
ast_strftime(buf, sizeof(buf), DATE_FORMAT, &tm);
|
|
ast_str_append(&sql2, 0, "%s%s", first ? "" : ",", buf);
|
|
}
|
|
} else if (strcmp(cur->name, "answer") == 0) {
|
|
if (strncmp(cur->type, "int", 3) == 0) {
|
|
LENGTHEN_BUF2(13);
|
|
ast_str_append(&sql2, 0, "%s%ld", first ? "" : ",", (long) cdr->answer.tv_sec);
|
|
} else if (strncmp(cur->type, "float", 5) == 0) {
|
|
LENGTHEN_BUF2(31);
|
|
ast_str_append(&sql2, 0, "%s%f", first ? "" : ",", (double)cdr->answer.tv_sec + (double)cdr->answer.tv_usec / 1000000.0);
|
|
} else {
|
|
/* char, hopefully */
|
|
LENGTHEN_BUF2(31);
|
|
ast_localtime(&cdr->start, &tm, NULL);
|
|
ast_strftime(buf, sizeof(buf), DATE_FORMAT, &tm);
|
|
ast_str_append(&sql2, 0, "%s%s", first ? "" : ",", buf);
|
|
}
|
|
} else if (strcmp(cur->name, "end") == 0) {
|
|
if (strncmp(cur->type, "int", 3) == 0) {
|
|
LENGTHEN_BUF2(13);
|
|
ast_str_append(&sql2, 0, "%s%ld", first ? "" : ",", (long) cdr->end.tv_sec);
|
|
} else if (strncmp(cur->type, "float", 5) == 0) {
|
|
LENGTHEN_BUF2(31);
|
|
ast_str_append(&sql2, 0, "%s%f", first ? "" : ",", (double)cdr->end.tv_sec + (double)cdr->end.tv_usec / 1000000.0);
|
|
} else {
|
|
/* char, hopefully */
|
|
LENGTHEN_BUF2(31);
|
|
ast_localtime(&cdr->end, &tm, NULL);
|
|
ast_strftime(buf, sizeof(buf), DATE_FORMAT, &tm);
|
|
ast_str_append(&sql2, 0, "%s%s", first ? "" : ",", buf);
|
|
}
|
|
} else if (strcmp(cur->name, "duration") == 0 || strcmp(cur->name, "billsec") == 0) {
|
|
if (cur->type[0] == 'i') {
|
|
/* Get integer, no need to escape anything */
|
|
ast_cdr_getvar(cdr, cur->name, &value, buf, sizeof(buf), 0, 0);
|
|
LENGTHEN_BUF2(13);
|
|
ast_str_append(&sql2, 0, "%s%s", first ? "" : ",", value);
|
|
} else if (strncmp(cur->type, "float", 5) == 0) {
|
|
struct timeval *when = cur->name[0] == 'd' ? &cdr->start : &cdr->answer;
|
|
LENGTHEN_BUF2(31);
|
|
ast_str_append(&sql2, 0, "%s%f", first ? "" : ",", (double) (ast_tvdiff_us(cdr->end, *when) / 1000000.0));
|
|
} else {
|
|
/* Char field, probably */
|
|
struct timeval *when = cur->name[0] == 'd' ? &cdr->start : &cdr->answer;
|
|
LENGTHEN_BUF2(31);
|
|
ast_str_append(&sql2, 0, "%s'%f'", first ? "" : ",", (double) (ast_tvdiff_us(cdr->end, *when) / 1000000.0));
|
|
}
|
|
} else if (strcmp(cur->name, "disposition") == 0 || strcmp(cur->name, "amaflags") == 0) {
|
|
if (strncmp(cur->type, "int", 3) == 0) {
|
|
/* Integer, no need to escape anything */
|
|
ast_cdr_getvar(cdr, cur->name, &value, buf, sizeof(buf), 0, 1);
|
|
LENGTHEN_BUF2(13);
|
|
ast_str_append(&sql2, 0, "%s%s", first ? "" : ",", value);
|
|
} else {
|
|
/* Although this is a char field, there are no special characters in the values for these fields */
|
|
ast_cdr_getvar(cdr, cur->name, &value, buf, sizeof(buf), 0, 0);
|
|
LENGTHEN_BUF2(31);
|
|
ast_str_append(&sql2, 0, "%s'%s'", first ? "" : ",", value);
|
|
}
|
|
} else {
|
|
/* Arbitrary field, could be anything */
|
|
ast_cdr_getvar(cdr, cur->name, &value, buf, sizeof(buf), 0, 0);
|
|
if (strncmp(cur->type, "int", 3) == 0) {
|
|
long long whatever;
|
|
if (value && sscanf(value, "%30lld", &whatever) == 1) {
|
|
LENGTHEN_BUF2(26);
|
|
ast_str_append(&sql2, 0, "%s%lld", first ? "" : ",", whatever);
|
|
} else {
|
|
LENGTHEN_BUF2(2);
|
|
ast_str_append(&sql2, 0, "%s0", first ? "" : ",");
|
|
}
|
|
} else if (strncmp(cur->type, "float", 5) == 0) {
|
|
long double whatever;
|
|
if (value && sscanf(value, "%30Lf", &whatever) == 1) {
|
|
LENGTHEN_BUF2(51);
|
|
ast_str_append(&sql2, 0, "%s%30Lf", first ? "" : ",", whatever);
|
|
} else {
|
|
LENGTHEN_BUF2(2);
|
|
ast_str_append(&sql2, 0, "%s0", first ? "" : ",");
|
|
}
|
|
/* XXX Might want to handle dates, times, and other misc fields here XXX */
|
|
} else {
|
|
if (value)
|
|
PQescapeStringConn(conn, escapebuf, value, strlen(value), NULL);
|
|
else
|
|
escapebuf[0] = '\0';
|
|
LENGTHEN_BUF2(strlen(escapebuf) + 3);
|
|
ast_str_append(&sql2, 0, "%s'%s'", first ? "" : ",", escapebuf);
|
|
}
|
|
}
|
|
first = 0;
|
|
}
|
|
AST_RWLIST_UNLOCK(&psql_columns);
|
|
LENGTHEN_BUF1(ast_str_strlen(sql2) + 2);
|
|
ast_str_append(&sql, 0, ")%s)", ast_str_buffer(sql2));
|
|
ast_verb(11, "[%s]\n", ast_str_buffer(sql));
|
|
|
|
ast_debug(2, "inserting a CDR record.\n");
|
|
|
|
/* Test to be sure we're still connected... */
|
|
/* If we're connected, and connection is working, good. */
|
|
/* Otherwise, attempt reconnect. If it fails... sorry... */
|
|
if (PQstatus(conn) == CONNECTION_OK) {
|
|
connected = 1;
|
|
} else {
|
|
ast_log(LOG_ERROR, "Connection was lost... attempting to reconnect.\n");
|
|
PQreset(conn);
|
|
if (PQstatus(conn) == CONNECTION_OK) {
|
|
ast_log(LOG_ERROR, "Connection reestablished.\n");
|
|
connected = 1;
|
|
} else {
|
|
pgerror = PQerrorMessage(conn);
|
|
ast_log(LOG_ERROR, "Unable to reconnect to database server %s. Calls will not be logged!\n", pghostname);
|
|
ast_log(LOG_ERROR, "Reason: %s\n", pgerror);
|
|
PQfinish(conn);
|
|
conn = NULL;
|
|
connected = 0;
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
ast_free(sql);
|
|
ast_free(sql2);
|
|
return -1;
|
|
}
|
|
}
|
|
result = PQexec(conn, ast_str_buffer(sql));
|
|
if (PQresultStatus(result) != PGRES_COMMAND_OK) {
|
|
pgerror = PQresultErrorMessage(result);
|
|
ast_log(LOG_ERROR, "Failed to insert call detail record into database!\n");
|
|
ast_log(LOG_ERROR, "Reason: %s\n", pgerror);
|
|
ast_log(LOG_ERROR, "Connection may have been lost... attempting to reconnect.\n");
|
|
PQreset(conn);
|
|
if (PQstatus(conn) == CONNECTION_OK) {
|
|
ast_log(LOG_ERROR, "Connection reestablished.\n");
|
|
connected = 1;
|
|
PQclear(result);
|
|
result = PQexec(conn, ast_str_buffer(sql));
|
|
if (PQresultStatus(result) != PGRES_COMMAND_OK) {
|
|
pgerror = PQresultErrorMessage(result);
|
|
ast_log(LOG_ERROR, "HARD ERROR! Attempted reconnection failed. DROPPING CALL RECORD!\n");
|
|
ast_log(LOG_ERROR, "Reason: %s\n", pgerror);
|
|
}
|
|
}
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
PQclear(result);
|
|
ast_free(sql);
|
|
ast_free(sql2);
|
|
return -1;
|
|
}
|
|
PQclear(result);
|
|
ast_free(sql);
|
|
ast_free(sql2);
|
|
}
|
|
ast_mutex_unlock(&pgsql_lock);
|
|
return 0;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
struct columns *current;
|
|
|
|
ast_cdr_unregister(name);
|
|
|
|
PQfinish(conn);
|
|
|
|
if (pghostname) {
|
|
ast_free(pghostname);
|
|
}
|
|
if (pgdbname) {
|
|
ast_free(pgdbname);
|
|
}
|
|
if (pgdbuser) {
|
|
ast_free(pgdbuser);
|
|
}
|
|
if (pgpassword) {
|
|
ast_free(pgpassword);
|
|
}
|
|
if (pgdbport) {
|
|
ast_free(pgdbport);
|
|
}
|
|
if (table) {
|
|
ast_free(table);
|
|
}
|
|
|
|
AST_RWLIST_WRLOCK(&psql_columns);
|
|
while ((current = AST_RWLIST_REMOVE_HEAD(&psql_columns, list))) {
|
|
ast_free(current);
|
|
}
|
|
AST_RWLIST_UNLOCK(&psql_columns);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int config_module(int reload)
|
|
{
|
|
struct ast_variable *var;
|
|
char *pgerror;
|
|
struct columns *cur;
|
|
PGresult *result;
|
|
const char *tmp;
|
|
struct ast_config *cfg;
|
|
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
|
|
|
|
if ((cfg = ast_config_load(config, config_flags)) == NULL || cfg == CONFIG_STATUS_FILEINVALID) {
|
|
ast_log(LOG_WARNING, "Unable to load config for PostgreSQL CDR's: %s\n", config);
|
|
return -1;
|
|
} else if (cfg == CONFIG_STATUS_FILEUNCHANGED) {
|
|
return 0;
|
|
}
|
|
|
|
if (!(var = ast_variable_browse(cfg, "global"))) {
|
|
ast_config_destroy(cfg);
|
|
return 0;
|
|
}
|
|
|
|
if (!(tmp = ast_variable_retrieve(cfg, "global", "hostname"))) {
|
|
ast_log(LOG_WARNING, "PostgreSQL server hostname not specified. Assuming unix socket connection\n");
|
|
tmp = ""; /* connect via UNIX-socket by default */
|
|
}
|
|
|
|
if (pghostname) {
|
|
ast_free(pghostname);
|
|
}
|
|
if (!(pghostname = ast_strdup(tmp))) {
|
|
ast_config_destroy(cfg);
|
|
return -1;
|
|
}
|
|
|
|
if (!(tmp = ast_variable_retrieve(cfg, "global", "dbname"))) {
|
|
ast_log(LOG_WARNING, "PostgreSQL database not specified. Assuming asterisk\n");
|
|
tmp = "asteriskcdrdb";
|
|
}
|
|
|
|
if (pgdbname) {
|
|
ast_free(pgdbname);
|
|
}
|
|
if (!(pgdbname = ast_strdup(tmp))) {
|
|
ast_config_destroy(cfg);
|
|
return -1;
|
|
}
|
|
|
|
if (!(tmp = ast_variable_retrieve(cfg, "global", "user"))) {
|
|
ast_log(LOG_WARNING, "PostgreSQL database user not specified. Assuming asterisk\n");
|
|
tmp = "asterisk";
|
|
}
|
|
|
|
if (pgdbuser) {
|
|
ast_free(pgdbuser);
|
|
}
|
|
if (!(pgdbuser = ast_strdup(tmp))) {
|
|
ast_config_destroy(cfg);
|
|
return -1;
|
|
}
|
|
|
|
if (!(tmp = ast_variable_retrieve(cfg, "global", "password"))) {
|
|
ast_log(LOG_WARNING, "PostgreSQL database password not specified. Assuming blank\n");
|
|
tmp = "";
|
|
}
|
|
|
|
if (pgpassword) {
|
|
ast_free(pgpassword);
|
|
}
|
|
if (!(pgpassword = ast_strdup(tmp))) {
|
|
ast_config_destroy(cfg);
|
|
return -1;
|
|
}
|
|
|
|
if (!(tmp = ast_variable_retrieve(cfg, "global", "port"))) {
|
|
ast_log(LOG_WARNING, "PostgreSQL database port not specified. Using default 5432.\n");
|
|
tmp = "5432";
|
|
}
|
|
|
|
if (pgdbport) {
|
|
ast_free(pgdbport);
|
|
}
|
|
if (!(pgdbport = ast_strdup(tmp))) {
|
|
ast_config_destroy(cfg);
|
|
return -1;
|
|
}
|
|
|
|
if (!(tmp = ast_variable_retrieve(cfg, "global", "table"))) {
|
|
ast_log(LOG_WARNING, "CDR table not specified. Assuming cdr\n");
|
|
tmp = "cdr";
|
|
}
|
|
|
|
if (table) {
|
|
ast_free(table);
|
|
}
|
|
if (!(table = ast_strdup(tmp))) {
|
|
ast_config_destroy(cfg);
|
|
return -1;
|
|
}
|
|
|
|
if (!(tmp = ast_variable_retrieve(cfg, "global", "encoding"))) {
|
|
ast_log(LOG_WARNING, "Encoding not specified. Assuming LATIN9\n");
|
|
tmp = "LATIN9";
|
|
}
|
|
|
|
if (encoding) {
|
|
ast_free(encoding);
|
|
}
|
|
if (!(encoding = ast_strdup(tmp))) {
|
|
ast_config_destroy(cfg);
|
|
return -1;
|
|
}
|
|
|
|
if (option_debug) {
|
|
if (ast_strlen_zero(pghostname)) {
|
|
ast_debug(1, "using default unix socket\n");
|
|
} else {
|
|
ast_debug(1, "got hostname of %s\n", pghostname);
|
|
}
|
|
ast_debug(1, "got port of %s\n", pgdbport);
|
|
ast_debug(1, "got user of %s\n", pgdbuser);
|
|
ast_debug(1, "got dbname of %s\n", pgdbname);
|
|
ast_debug(1, "got password of %s\n", pgpassword);
|
|
ast_debug(1, "got sql table name of %s\n", table);
|
|
}
|
|
|
|
conn = PQsetdbLogin(pghostname, pgdbport, NULL, NULL, pgdbname, pgdbuser, pgpassword);
|
|
if (PQstatus(conn) != CONNECTION_BAD) {
|
|
char sqlcmd[768];
|
|
char *fname, *ftype, *flen, *fnotnull, *fdef;
|
|
int i, rows, version;
|
|
ast_debug(1, "Successfully connected to PostgreSQL database.\n");
|
|
connected = 1;
|
|
if (PQsetClientEncoding(conn, encoding)) {
|
|
#ifdef HAVE_PGSQL_pg_encoding_to_char
|
|
ast_log(LOG_WARNING, "Failed to set encoding to '%s'. Encoding set to default '%s'\n", encoding, pg_encoding_to_char(PQclientEncoding(conn)));
|
|
#else
|
|
ast_log(LOG_WARNING, "Failed to set encoding to '%s'. Encoding set to default.\n", encoding);
|
|
#endif
|
|
}
|
|
version = PQserverVersion(conn);
|
|
|
|
if (version >= 70300) {
|
|
char *schemaname, *tablename;
|
|
if (strchr(table, '.')) {
|
|
schemaname = ast_strdupa(table);
|
|
tablename = strchr(schemaname, '.');
|
|
*tablename++ = '\0';
|
|
} else {
|
|
schemaname = "";
|
|
tablename = table;
|
|
}
|
|
|
|
/* Escape special characters in schemaname */
|
|
if (strchr(schemaname, '\\') || strchr(schemaname, '\'')) {
|
|
char *tmp = schemaname, *ptr;
|
|
|
|
ptr = schemaname = alloca(strlen(tmp) * 2 + 1);
|
|
for (; *tmp; tmp++) {
|
|
if (strchr("\\'", *tmp)) {
|
|
*ptr++ = *tmp;
|
|
}
|
|
*ptr++ = *tmp;
|
|
}
|
|
*ptr = '\0';
|
|
}
|
|
/* Escape special characters in tablename */
|
|
if (strchr(tablename, '\\') || strchr(tablename, '\'')) {
|
|
char *tmp = tablename, *ptr;
|
|
|
|
ptr = tablename = alloca(strlen(tmp) * 2 + 1);
|
|
for (; *tmp; tmp++) {
|
|
if (strchr("\\'", *tmp)) {
|
|
*ptr++ = *tmp;
|
|
}
|
|
*ptr++ = *tmp;
|
|
}
|
|
*ptr = '\0';
|
|
}
|
|
|
|
snprintf(sqlcmd, sizeof(sqlcmd), "SELECT a.attname, t.typname, a.attlen, a.attnotnull, d.adsrc, a.atttypmod FROM (((pg_catalog.pg_class c INNER JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace AND c.relname = '%s' AND n.nspname = %s%s%s) INNER JOIN pg_catalog.pg_attribute a ON (NOT a.attisdropped) AND a.attnum > 0 AND a.attrelid = c.oid) INNER JOIN pg_catalog.pg_type t ON t.oid = a.atttypid) LEFT OUTER JOIN pg_attrdef d ON a.atthasdef AND d.adrelid = a.attrelid AND d.adnum = a.attnum ORDER BY n.nspname, c.relname, attnum",
|
|
tablename,
|
|
ast_strlen_zero(schemaname) ? "" : "'", ast_strlen_zero(schemaname) ? "current_schema()" : schemaname, ast_strlen_zero(schemaname) ? "" : "'");
|
|
} else {
|
|
snprintf(sqlcmd, sizeof(sqlcmd), "SELECT a.attname, t.typname, a.attlen, a.attnotnull, d.adsrc, a.atttypmod FROM pg_class c, pg_type t, pg_attribute a LEFT OUTER JOIN pg_attrdef d ON a.atthasdef AND d.adrelid = a.attrelid AND d.adnum = a.attnum WHERE c.oid = a.attrelid AND a.atttypid = t.oid AND (a.attnum > 0) AND c.relname = '%s' ORDER BY c.relname, attnum", table);
|
|
}
|
|
/* Query the columns */
|
|
result = PQexec(conn, sqlcmd);
|
|
if (PQresultStatus(result) != PGRES_TUPLES_OK) {
|
|
pgerror = PQresultErrorMessage(result);
|
|
ast_log(LOG_ERROR, "Failed to query database columns: %s\n", pgerror);
|
|
PQclear(result);
|
|
unload_module();
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
}
|
|
|
|
rows = PQntuples(result);
|
|
if (rows == 0) {
|
|
ast_log(LOG_ERROR, "cdr_pgsql: Failed to query database columns. No columns found, does the table exist?\n");
|
|
PQclear(result);
|
|
unload_module();
|
|
return AST_MODULE_LOAD_DECLINE;
|
|
}
|
|
|
|
for (i = 0; i < rows; i++) {
|
|
fname = PQgetvalue(result, i, 0);
|
|
ftype = PQgetvalue(result, i, 1);
|
|
flen = PQgetvalue(result, i, 2);
|
|
fnotnull = PQgetvalue(result, i, 3);
|
|
fdef = PQgetvalue(result, i, 4);
|
|
if (atoi(flen) == -1) {
|
|
/* For varchar columns, the maximum length is encoded in a different field */
|
|
flen = PQgetvalue(result, i, 5);
|
|
}
|
|
ast_verb(4, "Found column '%s' of type '%s'\n", fname, ftype);
|
|
cur = ast_calloc(1, sizeof(*cur) + strlen(fname) + strlen(ftype) + 2);
|
|
if (cur) {
|
|
sscanf(flen, "%30d", &cur->len);
|
|
cur->name = (char *)cur + sizeof(*cur);
|
|
cur->type = (char *)cur + sizeof(*cur) + strlen(fname) + 1;
|
|
strcpy(cur->name, fname);
|
|
strcpy(cur->type, ftype);
|
|
if (*fnotnull == 't') {
|
|
cur->notnull = 1;
|
|
} else {
|
|
cur->notnull = 0;
|
|
}
|
|
if (!ast_strlen_zero(fdef)) {
|
|
cur->hasdefault = 1;
|
|
} else {
|
|
cur->hasdefault = 0;
|
|
}
|
|
AST_RWLIST_INSERT_TAIL(&psql_columns, cur, list);
|
|
}
|
|
}
|
|
PQclear(result);
|
|
} else {
|
|
pgerror = PQerrorMessage(conn);
|
|
ast_log(LOG_ERROR, "Unable to connect to database server %s. CALLS WILL NOT BE LOGGED!!\n", pghostname);
|
|
ast_log(LOG_ERROR, "Reason: %s\n", pgerror);
|
|
connected = 0;
|
|
}
|
|
|
|
ast_config_destroy(cfg);
|
|
|
|
return ast_cdr_register(name, ast_module_info->description, pgsql_log);
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
return config_module(0) ? AST_MODULE_LOAD_DECLINE : 0;
|
|
}
|
|
|
|
static int reload(void)
|
|
{
|
|
return config_module(1);
|
|
}
|
|
|
|
AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PostgreSQL CDR Backend",
|
|
.load = load_module,
|
|
.unload = unload_module,
|
|
.reload = reload,
|
|
.load_pri = AST_MODPRI_CDR_DRIVER,
|
|
);
|