static int reload(void)
{
/* Aquire control before doing anything to the module itself. */
ast_mutex_lock(&pgsql_lock);
if (pgsqlConn) {
PQfinish(pgsqlConn);
pgsqlConn = NULL;
};
parse_config();
if (!pgsql_reconnect(NULL)) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Couldn't establish connection. Check debug.\n");
ast_log(LOG_DEBUG, "Postgresql RealTime: Cannot Connect: %s\n",
PQerrorMessage(pgsqlConn));
}
ast_verbose(VERBOSE_PREFIX_2 "Postgresql RealTime reloaded.\n");
/* Done reloading. Release lock so others can now use driver. */
ast_mutex_unlock(&pgsql_lock);
return 0;
}
static int load_module(void)
{
if(!parse_config())
return AST_MODULE_LOAD_DECLINE;
ast_mutex_lock(&pgsql_lock);
if (!pgsql_reconnect(NULL)) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Couldn't establish connection. Check debug.\n");
ast_log(LOG_DEBUG, "Postgresql RealTime: Cannot Connect: %s\n",
PQerrorMessage(pgsqlConn));
}
ast_config_engine_register(&pgsql_engine);
if (option_verbose) {
ast_verbose("Postgresql RealTime driver loaded.\n");
}
ast_cli_register_multiple(cli_realtime, sizeof(cli_realtime) / sizeof(struct ast_cli_entry));
ast_mutex_unlock(&pgsql_lock);
return 0;
}
static struct ast_variable *realtime_pgsql(const char *database, const char *table, va_list ap)
{
PGresult *result = NULL;
int num_rows = 0;
char sql[256];
char *stringp;
char *chunk;
char *op;
const char *newparam, *newval;
struct ast_variable *var = NULL, *prev = NULL;
if (!table) {
ast_log(LOG_WARNING, "Postgresql RealTime: No table specified.\n");
return NULL;
}
/* Get the first parameter and first value in our list of passed paramater/value pairs */
newparam = va_arg(ap, const char *);
newval = va_arg(ap, const char *);
if (!newparam || !newval) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Realtime retrieval requires at least 1 parameter and 1 value to search on.\n");
if (pgsqlConn) {
PQfinish(pgsqlConn);
pgsqlConn = NULL;
};
return NULL;
}
/* Create the first part of the query using the first parameter/value pairs we just extracted
If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
op = strchr(newparam, ' ') ? "" : " =";
snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE %s%s '%s'", table, newparam, op,
newval);
while ((newparam = va_arg(ap, const char *))) {
newval = va_arg(ap, const char *);
if (!strchr(newparam, ' '))
op = " =";
else
op = "";
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s '%s'", newparam,
op, newval);
}
va_end(ap);
/* We now have our complete statement; Lets connect to the server and execute it. */
ast_mutex_lock(&pgsql_lock);
if (!pgsql_reconnect(database)) {
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
if (!(result = PQexec(pgsqlConn, sql))) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Failed to query database. Check debug for more info.\n");
ast_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s\n",
PQerrorMessage(pgsqlConn));
ast_mutex_unlock(&pgsql_lock);
return NULL;
} else {
ExecStatusType result_status = PQresultStatus(result);
if (result_status != PGRES_COMMAND_OK
&& result_status != PGRES_TUPLES_OK
&& result_status != PGRES_NONFATAL_ERROR) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Failed to query database. Check debug for more info.\n");
ast_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
}
ast_log(LOG_DEBUG, "1Postgresql RealTime: Result=%p Query: %s\n", result, sql);
if ((num_rows = PQntuples(result)) > 0) {
int i = 0;
int rowIndex = 0;
int numFields = PQnfields(result);
char **fieldnames = NULL;
ast_log(LOG_DEBUG, "Postgresql RealTime: Found %d rows.\n", num_rows);
if (!(fieldnames = ast_calloc(1, numFields * sizeof(char *)))) {
ast_mutex_unlock(&pgsql_lock);
PQclear(result);
return NULL;
}
for (i = 0; i < numFields; i++)
fieldnames[i] = PQfname(result, i);
for (rowIndex = 0; rowIndex < num_rows; rowIndex++) {
for (i = 0; i < numFields; i++) {
stringp = PQgetvalue(result, rowIndex, i);
while (stringp) {
chunk = strsep(&stringp, ";");
if (chunk && !ast_strlen_zero(ast_strip(chunk))) {
if (prev) {
prev->next = ast_variable_new(fieldnames[i], chunk);
if (prev->next) {
prev = prev->next;
}
} else {
prev = var = ast_variable_new(fieldnames[i], chunk);
}
}
}
}
}
free(fieldnames);
} else {
ast_log(LOG_WARNING,
"Postgresql RealTime: Could not find any rows in table %s.\n", table);
}
ast_mutex_unlock(&pgsql_lock);
PQclear(result);
return var;
}
static struct ast_config *config_pgsql(const char *database, const char *table,
const char *file, struct ast_config *cfg,
int withcomments)
{
PGresult *result = NULL;
long num_rows;
struct ast_variable *new_v;
struct ast_category *cur_cat = NULL;
char sqlbuf[1024] = "";
char *sql;
size_t sqlleft = sizeof(sqlbuf);
char last[80] = "";
int last_cat_metric = 0;
last[0] = '\0';
if (!file || !strcmp(file, RES_CONFIG_PGSQL_CONF)) {
ast_log(LOG_WARNING, "Postgresql RealTime: Cannot configure myself.\n");
return NULL;
}
ast_build_string(&sql, &sqlleft, "SELECT category, var_name, var_val, cat_metric FROM %s ", table);
ast_build_string(&sql, &sqlleft, "WHERE filename='%s' and commented=0", file);
ast_build_string(&sql, &sqlleft, "ORDER BY cat_metric DESC, var_metric ASC, category, var_name ");
ast_log(LOG_DEBUG, "Postgresql RealTime: Static SQL: %s\n", sqlbuf);
/* We now have our complete statement; Lets connect to the server and execute it. */
ast_mutex_lock(&pgsql_lock);
if (!pgsql_reconnect(database)) {
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
if (!(result = PQexec(pgsqlConn, sqlbuf))) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Failed to query database. Check debug for more info.\n");
ast_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s\n",
PQerrorMessage(pgsqlConn));
ast_mutex_unlock(&pgsql_lock);
return NULL;
} else {
ExecStatusType result_status = PQresultStatus(result);
if (result_status != PGRES_COMMAND_OK
&& result_status != PGRES_TUPLES_OK
&& result_status != PGRES_NONFATAL_ERROR) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Failed to query database. Check debug for more info.\n");
ast_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
}
if ((num_rows = PQntuples(result)) > 0) {
int rowIndex = 0;
ast_log(LOG_DEBUG, "Postgresql RealTime: Found %ld rows.\n", num_rows);
for (rowIndex = 0; rowIndex < num_rows; rowIndex++) {
char *field_category = PQgetvalue(result, rowIndex, 0);
char *field_var_name = PQgetvalue(result, rowIndex, 1);
char *field_var_val = PQgetvalue(result, rowIndex, 2);
char *field_cat_metric = PQgetvalue(result, rowIndex, 3);
if (!strcmp(field_var_name, "#include")) {
if (!ast_config_internal_load(field_var_val, cfg, 0)) {
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
continue;
}
if (strcmp(last, field_category) || last_cat_metric != atoi(field_cat_metric)) {
cur_cat = ast_category_new(field_category);
if (!cur_cat)
break;
strcpy(last, field_category);
last_cat_metric = atoi(field_cat_metric);
ast_category_append(cfg, cur_cat);
}
new_v = ast_variable_new(field_var_name, field_var_val);
ast_variable_append(cur_cat, new_v);
}
} else {
ast_log(LOG_WARNING,
"Postgresql RealTime: Could not find config '%s' in database.\n", file);
}
PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return cfg;
}
static int update_pgsql(const char *database, const char *table, const char *keyfield,
const char *lookup, va_list ap)
{
PGresult *result = NULL;
int numrows = 0;
char sql[256];
const char *newparam, *newval;
if (!table) {
ast_log(LOG_WARNING, "Postgresql RealTime: No table specified.\n");
return -1;
}
/* Get the first parameter and first value in our list of passed paramater/value pairs */
newparam = va_arg(ap, const char *);
newval = va_arg(ap, const char *);
if (!newparam || !newval) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Realtime retrieval requires at least 1 parameter and 1 value to search on.\n");
if (pgsqlConn) {
PQfinish(pgsqlConn);
pgsqlConn = NULL;
};
return -1;
}
/* Create the first part of the query using the first parameter/value pairs we just extracted
If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
snprintf(sql, sizeof(sql), "UPDATE %s SET %s = '%s'", table, newparam, newval);
while ((newparam = va_arg(ap, const char *))) {
newval = va_arg(ap, const char *);
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), ", %s = '%s'", newparam,
newval);
}
va_end(ap);
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " WHERE %s = '%s'", keyfield,
lookup);
ast_log(LOG_DEBUG, "Postgresql RealTime: Update SQL: %s\n", sql);
/* We now have our complete statement; Lets connect to the server and execute it. */
ast_mutex_lock(&pgsql_lock);
if (!pgsql_reconnect(database)) {
ast_mutex_unlock(&pgsql_lock);
return -1;
}
if (!(result = PQexec(pgsqlConn, sql))) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Failed to query database. Check debug for more info.\n");
ast_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s\n",
PQerrorMessage(pgsqlConn));
ast_mutex_unlock(&pgsql_lock);
return -1;
} else {
ExecStatusType result_status = PQresultStatus(result);
if (result_status != PGRES_COMMAND_OK
&& result_status != PGRES_TUPLES_OK
&& result_status != PGRES_NONFATAL_ERROR) {
ast_log(LOG_WARNING,
"Postgresql RealTime: Failed to query database. Check debug for more info.\n");
ast_log(LOG_DEBUG, "Postgresql RealTime: Query: %s\n", sql);
ast_log(LOG_DEBUG, "Postgresql RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
ast_mutex_unlock(&pgsql_lock);
return -1;
}
}
numrows = atoi(PQcmdTuples(result));
ast_mutex_unlock(&pgsql_lock);
ast_log(LOG_DEBUG, "Postgresql RealTime: Updated %d rows on table: %s\n", numrows,
table);
/* From http://dev.pgsql.com/doc/pgsql/en/pgsql-affected-rows.html
* An integer greater than zero indicates the number of rows affected
* Zero indicates that no records were updated
* -1 indicates that the query returned an error (although, if the query failed, it should have been caught above.)
*/
if (numrows >= 0)
return (int) numrows;
return -1;
}
static int parse_config(int reload)
{
struct ast_config *config;
const char *s;
struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
if ((config = ast_config_load(RES_CONFIG_PGSQL_CONF, config_flags)) == CONFIG_STATUS_FILEUNCHANGED)
return 0;
if (!config) {
ast_log(LOG_WARNING, "Unable to load config %s\n", RES_CONFIG_PGSQL_CONF);
return 0;
}
ast_mutex_lock(&pgsql_lock);
if (pgsqlConn) {
PQfinish(pgsqlConn);
pgsqlConn = NULL;
}
if (!(s = ast_variable_retrieve(config, "general", "dbuser"))) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: No database user found, using 'asterisk' as default.\n");
strcpy(dbuser, "asterisk");
} else {
ast_copy_string(dbuser, s, sizeof(dbuser));
}
if (!(s = ast_variable_retrieve(config, "general", "dbpass"))) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: No database password found, using 'asterisk' as default.\n");
strcpy(dbpass, "asterisk");
} else {
ast_copy_string(dbpass, s, sizeof(dbpass));
}
if (!(s = ast_variable_retrieve(config, "general", "dbhost"))) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: No database host found, using localhost via socket.\n");
dbhost[0] = '\0';
} else {
ast_copy_string(dbhost, s, sizeof(dbhost));
}
if (!(s = ast_variable_retrieve(config, "general", "dbname"))) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: No database name found, using 'asterisk' as default.\n");
strcpy(dbname, "asterisk");
} else {
ast_copy_string(dbname, s, sizeof(dbname));
}
if (!(s = ast_variable_retrieve(config, "general", "dbport"))) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: No database port found, using 5432 as default.\n");
dbport = 5432;
} else {
dbport = atoi(s);
}
if (!ast_strlen_zero(dbhost)) {
/* No socket needed */
} else if (!(s = ast_variable_retrieve(config, "general", "dbsock"))) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: No database socket found, using '/tmp/pgsql.sock' as default.\n");
strcpy(dbsock, "/tmp/pgsql.sock");
} else {
ast_copy_string(dbsock, s, sizeof(dbsock));
}
ast_config_destroy(config);
if (option_debug) {
if (!ast_strlen_zero(dbhost)) {
ast_debug(1, "PostgreSQL RealTime Host: %s\n", dbhost);
ast_debug(1, "PostgreSQL RealTime Port: %i\n", dbport);
} else {
ast_debug(1, "PostgreSQL RealTime Socket: %s\n", dbsock);
}
ast_debug(1, "PostgreSQL RealTime User: %s\n", dbuser);
ast_debug(1, "PostgreSQL RealTime Password: %s\n", dbpass);
ast_debug(1, "PostgreSQL RealTime DBName: %s\n", dbname);
}
if (!pgsql_reconnect(NULL)) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Couldn't establish connection. Check debug.\n");
ast_debug(1, "PostgreSQL RealTime: Cannot Connect: %s\n", PQerrorMessage(pgsqlConn));
}
ast_verb(2, "PostgreSQL RealTime reloaded.\n");
/* Done reloading. Release lock so others can now use driver. */
ast_mutex_unlock(&pgsql_lock);
return 1;
}
static int destroy_pgsql(const char *database, const char *table, const char *keyfield, const char *lookup, va_list ap)
{
PGresult *result = NULL;
int numrows = 0;
int pgresult;
char sql[256];
char buf[256], buf2[256];
const char *newparam, *newval;
if (!table) {
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
return -1;
}
/* Get the first parameter and first value in our list of passed paramater/value pairs */
/*newparam = va_arg(ap, const char *);
newval = va_arg(ap, const char *);
if (!newparam || !newval) {*/
if (ast_strlen_zero(keyfield) || ast_strlen_zero(lookup)) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Realtime destroy requires at least 1 parameter and 1 value to search on.\n");
if (pgsqlConn) {
PQfinish(pgsqlConn);
pgsqlConn = NULL;
};
return -1;
}
/* Must connect to the server before anything else, as the escape function requires the connection handle.. */
ast_mutex_lock(&pgsql_lock);
if (!pgsql_reconnect(database)) {
ast_mutex_unlock(&pgsql_lock);
return -1;
}
/* Create the first part of the query using the first parameter/value pairs we just extracted
If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
PQescapeStringConn(pgsqlConn, buf, keyfield, sizeof(keyfield), &pgresult);
PQescapeStringConn(pgsqlConn, buf2, lookup, sizeof(lookup), &pgresult);
snprintf(sql, sizeof(sql), "DELETE FROM %s WHERE %s = '%s'", table, buf, buf2);
while ((newparam = va_arg(ap, const char *))) {
newval = va_arg(ap, const char *);
PQescapeStringConn(pgsqlConn, buf, newparam, sizeof(newparam), &pgresult);
PQescapeStringConn(pgsqlConn, buf2, newval, sizeof(newval), &pgresult);
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s = '%s'", buf, buf2);
}
va_end(ap);
ast_debug(1, "PostgreSQL RealTime: Delete SQL: %s\n", sql);
if (!(result = PQexec(pgsqlConn, sql))) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
ast_mutex_unlock(&pgsql_lock);
return -1;
} else {
ExecStatusType result_status = PQresultStatus(result);
if (result_status != PGRES_COMMAND_OK
&& result_status != PGRES_TUPLES_OK
&& result_status != PGRES_NONFATAL_ERROR) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
ast_mutex_unlock(&pgsql_lock);
return -1;
}
}
numrows = atoi(PQcmdTuples(result));
ast_mutex_unlock(&pgsql_lock);
ast_debug(1, "PostgreSQL RealTime: Deleted %d rows on table: %s\n", numrows, table);
/* From http://dev.pgsql.com/doc/pgsql/en/pgsql-affected-rows.html
* An integer greater than zero indicates the number of rows affected
* Zero indicates that no records were updated
* -1 indicates that the query returned an error (although, if the query failed, it should have been caught above.)
*/
if (numrows >= 0)
return (int) numrows;
return -1;
}
static int store_pgsql(const char *database, const char *table, va_list ap)
{
PGresult *result = NULL;
Oid insertid;
char sql[256];
char params[256];
char vals[256];
char buf[256];
int pgresult;
const char *newparam, *newval;
if (!table) {
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
return -1;
}
/* Get the first parameter and first value in our list of passed paramater/value pairs */
newparam = va_arg(ap, const char *);
newval = va_arg(ap, const char *);
if (!newparam || !newval) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Realtime storage requires at least 1 parameter and 1 value to store.\n");
if (pgsqlConn) {
PQfinish(pgsqlConn);
pgsqlConn = NULL;
};
return -1;
}
/* Must connect to the server before anything else, as the escape function requires the connection handle.. */
ast_mutex_lock(&pgsql_lock);
if (!pgsql_reconnect(database)) {
ast_mutex_unlock(&pgsql_lock);
return -1;
}
/* Create the first part of the query using the first parameter/value pairs we just extracted
If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
PQescapeStringConn(pgsqlConn, buf, newparam, sizeof(newparam), &pgresult);
snprintf(params, sizeof(params), "%s", buf);
PQescapeStringConn(pgsqlConn, buf, newval, sizeof(newval), &pgresult);
snprintf(vals, sizeof(vals), "'%s'", buf);
while ((newparam = va_arg(ap, const char *))) {
newval = va_arg(ap, const char *);
PQescapeStringConn(pgsqlConn, buf, newparam, sizeof(newparam), &pgresult);
snprintf(params + strlen(params), sizeof(params) - strlen(params), ", %s", buf);
PQescapeStringConn(pgsqlConn, buf, newval, sizeof(newval), &pgresult);
snprintf(vals + strlen(vals), sizeof(vals) - strlen(vals), ", '%s'", buf);
}
va_end(ap);
snprintf(sql, sizeof(sql), "INSERT INTO (%s) VALUES (%s)", params, vals);
ast_debug(1, "PostgreSQL RealTime: Insert SQL: %s\n", sql);
if (!(result = PQexec(pgsqlConn, sql))) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
ast_mutex_unlock(&pgsql_lock);
return -1;
} else {
ExecStatusType result_status = PQresultStatus(result);
if (result_status != PGRES_COMMAND_OK
&& result_status != PGRES_TUPLES_OK
&& result_status != PGRES_NONFATAL_ERROR) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
ast_mutex_unlock(&pgsql_lock);
return -1;
}
}
insertid = PQoidValue(result);
ast_mutex_unlock(&pgsql_lock);
ast_debug(1, "PostgreSQL RealTime: row inserted on table: %s, id: %u\n", table, insertid);
/* From http://dev.pgsql.com/doc/pgsql/en/pgsql-affected-rows.html
* An integer greater than zero indicates the number of rows affected
* Zero indicates that no records were updated
* -1 indicates that the query returned an error (although, if the query failed, it should have been caught above.)
*/
if (insertid >= 0)
return (int) insertid;
return -1;
}
static struct ast_config *realtime_multi_pgsql(const char *database, const char *table, va_list ap)
{
PGresult *result = NULL;
int num_rows = 0, pgerror;
char sql[256], escapebuf[513];
const char *initfield = NULL;
char *stringp;
char *chunk;
char *op;
const char *newparam, *newval;
struct ast_variable *var = NULL;
struct ast_config *cfg = NULL;
struct ast_category *cat = NULL;
if (!table) {
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
return NULL;
}
if (!(cfg = ast_config_new()))
return NULL;
/* Get the first parameter and first value in our list of passed paramater/value pairs */
newparam = va_arg(ap, const char *);
newval = va_arg(ap, const char *);
if (!newparam || !newval) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Realtime retrieval requires at least 1 parameter and 1 value to search on.\n");
if (pgsqlConn) {
PQfinish(pgsqlConn);
pgsqlConn = NULL;
};
return NULL;
}
initfield = ast_strdupa(newparam);
if ((op = strchr(initfield, ' '))) {
*op = '\0';
}
/* Create the first part of the query using the first parameter/value pairs we just extracted
If there is only 1 set, then we have our query. Otherwise, loop thru the list and concat */
if (!strchr(newparam, ' '))
op = " =";
else
op = "";
PQescapeStringConn(pgsqlConn, escapebuf, newval, (sizeof(escapebuf) - 1) / 2, &pgerror);
if (pgerror) {
ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
va_end(ap);
return NULL;
}
snprintf(sql, sizeof(sql), "SELECT * FROM %s WHERE %s%s '%s'", table, newparam, op,
escapebuf);
while ((newparam = va_arg(ap, const char *))) {
newval = va_arg(ap, const char *);
if (!strchr(newparam, ' '))
op = " =";
else
op = "";
PQescapeStringConn(pgsqlConn, escapebuf, newval, (sizeof(escapebuf) - 1) / 2, &pgerror);
if (pgerror) {
ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
va_end(ap);
return NULL;
}
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s '%s'", newparam,
op, escapebuf);
}
if (initfield) {
snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " ORDER BY %s", initfield);
}
va_end(ap);
/* We now have our complete statement; Lets connect to the server and execute it. */
ast_mutex_lock(&pgsql_lock);
if (!pgsql_reconnect(database)) {
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
if (!(result = PQexec(pgsqlConn, sql))) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
ast_mutex_unlock(&pgsql_lock);
return NULL;
} else {
ExecStatusType result_status = PQresultStatus(result);
if (result_status != PGRES_COMMAND_OK
&& result_status != PGRES_TUPLES_OK
&& result_status != PGRES_NONFATAL_ERROR) {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Failed to query database. Check debug for more info.\n");
ast_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
}
ast_debug(1, "PostgreSQL RealTime: Result=%p Query: %s\n", result, sql);
if ((num_rows = PQntuples(result)) > 0) {
int numFields = PQnfields(result);
int i = 0;
int rowIndex = 0;
char **fieldnames = NULL;
ast_debug(1, "PostgreSQL RealTime: Found %d rows.\n", num_rows);
if (!(fieldnames = ast_calloc(1, numFields * sizeof(char *)))) {
ast_mutex_unlock(&pgsql_lock);
PQclear(result);
return NULL;
}
for (i = 0; i < numFields; i++)
fieldnames[i] = PQfname(result, i);
for (rowIndex = 0; rowIndex < num_rows; rowIndex++) {
var = NULL;
if (!(cat = ast_category_new("","",99999)))
continue;
for (i = 0; i < numFields; i++) {
stringp = PQgetvalue(result, rowIndex, i);
while (stringp) {
chunk = strsep(&stringp, ";");
if (!ast_strlen_zero(ast_strip(chunk))) {
if (initfield && !strcmp(initfield, fieldnames[i])) {
ast_category_rename(cat, chunk);
}
var = ast_variable_new(fieldnames[i], chunk, "");
ast_variable_append(cat, var);
}
}
}
ast_category_append(cfg, cat);
}
ast_free(fieldnames);
} else {
ast_log(LOG_WARNING,
"PostgreSQL RealTime: Could not find any rows in table %s.\n", table);
}
ast_mutex_unlock(&pgsql_lock);
PQclear(result);
return cfg;
}
