/*
- * Asterisk -- A telephony toolkit for Linux.
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 1999 - 2017, Digium, Inc.
*
- * Copyright (C) 1999-2005, Digium, Inc.
- *
* Manuel Guesdon <mguesdon@oxymium.net> - PostgreSQL RealTime Driver Author/Adaptor
* Mark Spencer <markster@digium.com> - Asterisk Author
* Matthew Boehm <mboehm@cytelcom.com> - MySQL RealTime Driver Author
* \author Mark Spencer <markster@digium.com>
* \author Manuel Guesdon <mguesdon@oxymium.net> - PostgreSQL RealTime Driver Author/Adaptor
*
- * \arg http://www.postgresql.org
+ * PostgreSQL http://www.postgresql.org
*/
/*** MODULEINFO
<depend>pgsql</depend>
+ <support_level>extended</support_level>
***/
#include "asterisk.h"
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
#include <libpq-fe.h> /* PostgreSQL */
#include "asterisk/file.h"
#include "asterisk/cli.h"
AST_MUTEX_DEFINE_STATIC(pgsql_lock);
+AST_THREADSTORAGE(sql_buf);
+AST_THREADSTORAGE(findtable_buf);
+AST_THREADSTORAGE(where_buf);
+AST_THREADSTORAGE(escapebuf_buf);
+AST_THREADSTORAGE(semibuf_buf);
#define RES_CONFIG_PGSQL_CONF "res_pgsql.conf"
-PGconn *pgsqlConn = NULL;
+static PGconn *pgsqlConn = NULL;
+static int version;
+#define has_schema_support (version > 70300 ? 1 : 0)
+#define USE_BACKSLASH_AS_STRING (version >= 90100 ? 1 : 0)
#define MAX_DB_OPTION_SIZE 64
+struct columns {
+ char *name;
+ char *type;
+ int len;
+ unsigned int notnull:1;
+ unsigned int hasdefault:1;
+ AST_LIST_ENTRY(columns) list;
+};
+
+struct tables {
+ ast_rwlock_t lock;
+ AST_LIST_HEAD_NOLOCK(psql_columns, columns) columns;
+ AST_LIST_ENTRY(tables) list;
+ char name[0];
+};
+
+static AST_LIST_HEAD_STATIC(psql_tables, tables);
+
static char dbhost[MAX_DB_OPTION_SIZE] = "";
static char dbuser[MAX_DB_OPTION_SIZE] = "";
static char dbpass[MAX_DB_OPTION_SIZE] = "";
static char dbname[MAX_DB_OPTION_SIZE] = "";
+static char dbappname[MAX_DB_OPTION_SIZE] = "";
static char dbsock[MAX_DB_OPTION_SIZE] = "";
static int dbport = 5432;
static time_t connect_time = 0;
static int parse_config(int reload);
static int pgsql_reconnect(const char *database);
static char *handle_cli_realtime_pgsql_status(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
+static char *handle_cli_realtime_pgsql_cache(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a);
+
+static enum { RQ_WARN, RQ_CREATECLOSE, RQ_CREATECHAR } requirements;
static struct ast_cli_entry cli_realtime[] = {
AST_CLI_DEFINE(handle_cli_realtime_pgsql_status, "Shows connection information for the PostgreSQL RealTime driver"),
+ AST_CLI_DEFINE(handle_cli_realtime_pgsql_cache, "Shows cached tables within the PostgreSQL realtime driver"),
};
-static struct ast_variable *realtime_pgsql(const char *database, const char *table, va_list ap)
+#define ESCAPE_STRING(buffer, stringname) \
+ do { \
+ int len = strlen(stringname); \
+ struct ast_str *semi = ast_str_thread_get(&semibuf_buf, len * 3 + 1); \
+ const char *chunk = stringname; \
+ ast_str_reset(semi); \
+ for (; *chunk; chunk++) { \
+ if (strchr(";^", *chunk)) { \
+ ast_str_append(&semi, 0, "^%02hhX", *chunk); \
+ } else { \
+ ast_str_append(&semi, 0, "%c", *chunk); \
+ } \
+ } \
+ if (ast_str_strlen(semi) > (ast_str_size(buffer) - 1) / 2) { \
+ ast_str_make_space(&buffer, ast_str_strlen(semi) * 2 + 1); \
+ } \
+ PQescapeStringConn(pgsqlConn, ast_str_buffer(buffer), ast_str_buffer(semi), ast_str_size(buffer), &pgresult); \
+ } while (0)
+
+static void destroy_table(struct tables *table)
+{
+ struct columns *column;
+ ast_rwlock_wrlock(&table->lock);
+ while ((column = AST_LIST_REMOVE_HEAD(&table->columns, list))) {
+ ast_free(column);
+ }
+ ast_rwlock_unlock(&table->lock);
+ ast_rwlock_destroy(&table->lock);
+ ast_free(table);
+}
+
+/*! \brief Helper function for pgsql_exec. For running querys, use pgsql_exec()
+ *
+ * Connect if not currently connected. Run the given query.
+ *
+ * \param database database name we are connected to (used for error logging)
+ * \param tablename table name we are connected to (used for error logging)
+ * \param sql sql query string to execute
+ * \param result pointer for where to store the result handle
+ *
+ * \return -1 on fatal query error
+ * \return -2 on query failure that resulted in disconnection
+ * \return 0 on success
+ *
+ * \note see pgsql_exec for full example
+ */
+static int _pgsql_exec(const char *database, const char *tablename, const char *sql, PGresult **result)
+{
+ ExecStatusType result_status;
+
+ if (!pgsqlConn) {
+ ast_debug(1, "PostgreSQL connection not defined, connecting\n");
+
+ if (pgsql_reconnect(database) != 1) {
+ ast_log(LOG_NOTICE, "reconnect failed\n");
+ *result = NULL;
+ return -1;
+ }
+
+ ast_debug(1, "PostgreSQL connection successful\n");
+ }
+
+ *result = PQexec(pgsqlConn, sql);
+ result_status = PQresultStatus(*result);
+ if (result_status != PGRES_COMMAND_OK
+ && result_status != PGRES_TUPLES_OK
+ && result_status != PGRES_NONFATAL_ERROR) {
+
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: Failed to query '%s@%s'.\n", tablename, database);
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: Query Failed: %s\n", sql);
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
+ PQresultErrorMessage(*result),
+ PQresStatus(result_status));
+
+ /* we may have tried to run a command on a disconnected/disconnecting handle */
+ /* are we no longer connected to the database... if not try again */
+ if (PQstatus(pgsqlConn) != CONNECTION_OK) {
+ PQfinish(pgsqlConn);
+ pgsqlConn = NULL;
+ return -2;
+ }
+
+ /* connection still okay, which means the query is just plain bad */
+ return -1;
+ }
+
+ ast_debug(1, "PostgreSQL query successful: %s\n", sql);
+ return 0;
+}
+
+/*! \brief Do a postgres query, with reconnection support
+ *
+ * Connect if not currently connected. Run the given query
+ * and if we're disconnected afterwards, reconnect and query again.
+ *
+ * \param database database name we are connected to (used for error logging)
+ * \param tablename table name we are connected to (used for error logging)
+ * \param sql sql query string to execute
+ * \param result pointer for where to store the result handle
+ *
+ * \return -1 on query failure
+ * \return 0 on success
+ *
+ * \code
+ * int i, rows;
+ * PGresult *result;
+ * char *field_name, *field_type, *field_len, *field_notnull, *field_default;
+ *
+ * pgsql_exec("db", "table", "SELECT 1", &result)
+ *
+ * rows = PQntuples(result);
+ * for (i = 0; i < rows; i++) {
+ * field_name = PQgetvalue(result, i, 0);
+ * field_type = PQgetvalue(result, i, 1);
+ * field_len = PQgetvalue(result, i, 2);
+ * field_notnull = PQgetvalue(result, i, 3);
+ * field_default = PQgetvalue(result, i, 4);
+ * }
+ * \endcode
+ */
+static int pgsql_exec(const char *database, const char *tablename, const char *sql, PGresult **result)
{
- PGresult *result = NULL;
- int num_rows = 0, pgerror;
- char sql[256], escapebuf[513];
+ int attempts = 0;
+ int res;
+
+ /* Try the query, note failure if any */
+ /* On first failure, reconnect and try again (_pgsql_exec handles reconnect) */
+ /* On second failure, treat as fatal query error */
+
+ while (attempts++ < 2) {
+ ast_debug(1, "PostgreSQL query attempt %d\n", attempts);
+ res = _pgsql_exec(database, tablename, sql, result);
+
+ if (res == 0) {
+ if (attempts > 1) {
+ ast_log(LOG_NOTICE, "PostgreSQL RealTime: Query finally succeeded: %s\n", sql);
+ }
+
+ return 0;
+ }
+
+ if (res == -1) {
+ return -1; /* Still connected to db, but could not process query (fatal error) */
+ }
+
+ /* res == -2 (query on a disconnected handle) */
+ ast_debug(1, "PostgreSQL query attempt %d failed, trying again\n", attempts);
+ }
+
+ return -1;
+}
+
+static struct tables *find_table(const char *database, const char *orig_tablename)
+{
+ struct columns *column;
+ struct tables *table;
+ struct ast_str *sql = ast_str_thread_get(&findtable_buf, 330);
+ RAII_VAR(PGresult *, result, NULL, PQclear);
+ int exec_result;
+ char *fname, *ftype, *flen, *fnotnull, *fdef;
+ int i, rows;
+
+ AST_LIST_LOCK(&psql_tables);
+ AST_LIST_TRAVERSE(&psql_tables, table, list) {
+ if (!strcasecmp(table->name, orig_tablename)) {
+ ast_debug(1, "Found table in cache; now locking\n");
+ ast_rwlock_rdlock(&table->lock);
+ ast_debug(1, "Lock cached table; now returning\n");
+ AST_LIST_UNLOCK(&psql_tables);
+ return table;
+ }
+ }
+
+ if (database == NULL) {
+ AST_LIST_UNLOCK(&psql_tables);
+ return NULL;
+ }
+
+ ast_debug(1, "Table '%s' not found in cache, querying now\n", orig_tablename);
+
+ /* Not found, scan the table */
+ if (has_schema_support) {
+ char *schemaname, *tablename, *tmp_schemaname, *tmp_tablename;
+ if (strchr(orig_tablename, '.')) {
+ tmp_schemaname = ast_strdupa(orig_tablename);
+ tmp_tablename = strchr(tmp_schemaname, '.');
+ *tmp_tablename++ = '\0';
+ } else {
+ tmp_schemaname = "";
+ tmp_tablename = ast_strdupa(orig_tablename);
+ }
+
+ tablename = ast_alloca(strlen(tmp_tablename) * 2 + 1);
+ PQescapeStringConn(pgsqlConn, tablename, tmp_tablename, strlen(tmp_tablename), NULL);
+ schemaname = ast_alloca(strlen(tmp_schemaname) * 2 + 1);
+ PQescapeStringConn(pgsqlConn, schemaname, tmp_schemaname, strlen(tmp_schemaname), NULL);
+
+ ast_str_set(&sql, 0, "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 {
+ char *tablename;
+ tablename = ast_alloca(strlen(orig_tablename) * 2 + 1);
+ PQescapeStringConn(pgsqlConn, tablename, orig_tablename, strlen(orig_tablename), NULL);
+
+ ast_str_set(&sql, 0, "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", tablename);
+ }
+
+ ast_mutex_lock(&pgsql_lock);
+ exec_result = pgsql_exec(database, orig_tablename, ast_str_buffer(sql), &result);
+ ast_mutex_unlock(&pgsql_lock);
+ ast_debug(1, "Query of table structure complete. Now retrieving results.\n");
+ if (exec_result != 0) {
+ ast_log(LOG_ERROR, "Failed to query database columns for table %s\n", orig_tablename);
+ AST_LIST_UNLOCK(&psql_tables);
+ return NULL;
+ }
+
+ if (!(table = ast_calloc(1, sizeof(*table) + strlen(orig_tablename) + 1))) {
+ ast_log(LOG_ERROR, "Unable to allocate memory for new table structure\n");
+ AST_LIST_UNLOCK(&psql_tables);
+ return NULL;
+ }
+ strcpy(table->name, orig_tablename); /* SAFE */
+ ast_rwlock_init(&table->lock);
+ AST_LIST_HEAD_INIT_NOLOCK(&table->columns);
+
+ rows = PQntuples(result);
+ 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);
+ ast_verb(4, "Found column '%s' of type '%s'\n", fname, ftype);
+
+ if (!(column = ast_calloc(1, sizeof(*column) + strlen(fname) + strlen(ftype) + 2))) {
+ ast_log(LOG_ERROR, "Unable to allocate column element for %s, %s\n", orig_tablename, fname);
+ destroy_table(table);
+ AST_LIST_UNLOCK(&psql_tables);
+ return NULL;
+ }
+
+ if (strcmp(flen, "-1") == 0) {
+ /* Some types, like chars, have the length stored in a different field */
+ flen = PQgetvalue(result, i, 5);
+ sscanf(flen, "%30d", &column->len);
+ column->len -= 4;
+ } else {
+ sscanf(flen, "%30d", &column->len);
+ }
+ column->name = (char *)column + sizeof(*column);
+ column->type = (char *)column + sizeof(*column) + strlen(fname) + 1;
+ strcpy(column->name, fname);
+ strcpy(column->type, ftype);
+ if (*fnotnull == 't') {
+ column->notnull = 1;
+ } else {
+ column->notnull = 0;
+ }
+ if (!ast_strlen_zero(fdef)) {
+ column->hasdefault = 1;
+ } else {
+ column->hasdefault = 0;
+ }
+ AST_LIST_INSERT_TAIL(&table->columns, column, list);
+ }
+
+ AST_LIST_INSERT_TAIL(&psql_tables, table, list);
+ ast_rwlock_rdlock(&table->lock);
+ AST_LIST_UNLOCK(&psql_tables);
+ return table;
+}
+
+#define release_table(table) ast_rwlock_unlock(&(table)->lock);
+
+static struct columns *find_column(struct tables *t, const char *colname)
+{
+ struct columns *column;
+
+ /* Check that the column exists in the table */
+ AST_LIST_TRAVERSE(&t->columns, column, list) {
+ if (strcmp(column->name, colname) == 0) {
+ return column;
+ }
+ }
+ return NULL;
+}
+
+#define IS_SQL_LIKE_CLAUSE(x) ((x) && ast_ends_with(x, " LIKE"))
+#define ESCAPE_CLAUSE (USE_BACKSLASH_AS_STRING ? " ESCAPE '\\'" : " ESCAPE '\\\\'")
+
+static struct ast_variable *realtime_pgsql(const char *database, const char *tablename, const struct ast_variable *fields)
+{
+ RAII_VAR(PGresult *, result, NULL, PQclear);
+ int num_rows = 0, pgresult;
+ struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
+ struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 100);
char *stringp;
char *chunk;
char *op;
- const char *newparam, *newval;
+ char *escape = "";
+ const struct ast_variable *field = fields;
struct ast_variable *var = NULL, *prev = NULL;
- if (!table) {
+ /*
+ * Ignore database from the extconfig.conf since it was
+ * configured by res_pgsql.conf.
+ */
+ database = dbname;
+
+ if (!tablename) {
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
return NULL;
}
+ /*
+ * Must connect to the server before anything else as ESCAPE_STRING()
+ * uses pgsqlConn
+ */
+ ast_mutex_lock(&pgsql_lock);
+ if (!pgsql_reconnect(database)) {
+ ast_mutex_unlock(&pgsql_lock);
+ 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) {
+ if (!field) {
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;
- };
+ }
+ ast_mutex_unlock(&pgsql_lock);
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, ' ') ? "" : " =";
+ if (!strchr(field->name, ' ')) {
+ op = " =";
+ } else {
+ op = "";
+ if (IS_SQL_LIKE_CLAUSE(field->name)) {
+ escape = ESCAPE_CLAUSE;
+ }
+ }
- 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);
+ ESCAPE_STRING(escapebuf, field->value);
+ if (pgresult) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: detected invalid input: '%s'\n", field->value);
+ ast_mutex_unlock(&pgsql_lock);
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, ' '))
+ ast_str_set(&sql, 0, "SELECT * FROM %s WHERE %s%s '%s'%s", tablename, field->name, op, ast_str_buffer(escapebuf), escape);
+ while ((field = field->next)) {
+ escape = "";
+ if (!strchr(field->name, ' ')) {
op = " =";
- else
+ } else {
op = "";
+ if (IS_SQL_LIKE_CLAUSE(field->name)) {
+ escape = ESCAPE_CLAUSE;
+ }
+ }
- 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);
+ ESCAPE_STRING(escapebuf, field->value);
+ if (pgresult) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: detected invalid input: '%s'\n", field->value);
+ ast_mutex_unlock(&pgsql_lock);
return NULL;
}
- snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s '%s'", newparam,
- op, escapebuf);
+ ast_str_append(&sql, 0, " AND %s%s '%s'%s", field->name, op, ast_str_buffer(escapebuf), escape);
}
- 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)) {
+ if (pgsql_exec(database, tablename, ast_str_buffer(sql), &result) != 0) {
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);
+ ast_debug(1, "PostgreSQL RealTime: Result=%p Query: %s\n", result, ast_str_buffer(sql));
if ((num_rows = PQntuples(result)) > 0) {
int i = 0;
if (!(fieldnames = ast_calloc(1, numFields * sizeof(char *)))) {
ast_mutex_unlock(&pgsql_lock);
- PQclear(result);
return NULL;
}
for (i = 0; i < numFields; i++)
stringp = PQgetvalue(result, rowIndex, i);
while (stringp) {
chunk = strsep(&stringp, ";");
- if (!ast_strlen_zero(ast_strip(chunk))) {
+ if (chunk && !ast_strlen_zero(ast_realtime_decode_chunk(ast_strip(chunk)))) {
if (prev) {
prev->next = ast_variable_new(fieldnames[i], chunk, "");
if (prev->next) {
}
ast_free(fieldnames);
} else {
- ast_log(LOG_WARNING,
- "PostgreSQL RealTime: Could not find any rows in table %s.\n", table);
+ ast_debug(1, "Postgresql RealTime: Could not find any rows in table %s@%s.\n", tablename, database);
}
ast_mutex_unlock(&pgsql_lock);
- PQclear(result);
return var;
}
-static struct ast_config *realtime_multi_pgsql(const char *database, const char *table, va_list ap)
+static struct ast_config *realtime_multi_pgsql(const char *database, const char *table, const struct ast_variable *fields)
{
- PGresult *result = NULL;
- int num_rows = 0, pgerror;
- char sql[256], escapebuf[513];
+ RAII_VAR(PGresult *, result, NULL, PQclear);
+ int num_rows = 0, pgresult;
+ struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
+ struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 100);
+ const struct ast_variable *field = fields;
const char *initfield = NULL;
char *stringp;
char *chunk;
char *op;
- const char *newparam, *newval;
+ char *escape = "";
struct ast_variable *var = NULL;
struct ast_config *cfg = NULL;
struct ast_category *cat = NULL;
+ /*
+ * Ignore database from the extconfig.conf since it was
+ * configured by res_pgsql.conf.
+ */
+ database = dbname;
+
if (!table) {
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
return NULL;
if (!(cfg = ast_config_new()))
return NULL;
+ /*
+ * Must connect to the server before anything else as ESCAPE_STRING()
+ * uses pgsqlConn
+ */
+ ast_mutex_lock(&pgsql_lock);
+ if (!pgsql_reconnect(database)) {
+ ast_mutex_unlock(&pgsql_lock);
+ 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) {
+ if (!field) {
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;
- };
+ }
+ ast_mutex_unlock(&pgsql_lock);
+ ast_config_destroy(cfg);
return NULL;
}
- initfield = ast_strdupa(newparam);
+ initfield = ast_strdupa(field->name);
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, ' '))
+ if (!strchr(field->name, ' ')) {
op = " =";
- else
+ escape = "";
+ } else {
op = "";
+ if (IS_SQL_LIKE_CLAUSE(field->name)) {
+ escape = ESCAPE_CLAUSE;
+ }
+ }
- 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);
+ ESCAPE_STRING(escapebuf, field->value);
+ if (pgresult) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: detected invalid input: '%s'\n", field->value);
+ ast_mutex_unlock(&pgsql_lock);
+ ast_config_destroy(cfg);
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, ' '))
+ ast_str_set(&sql, 0, "SELECT * FROM %s WHERE %s%s '%s'%s", table, field->name, op, ast_str_buffer(escapebuf), escape);
+ while ((field = field->next)) {
+ escape = "";
+ if (!strchr(field->name, ' ')) {
op = " =";
- else
+ escape = "";
+ } else {
op = "";
+ if (IS_SQL_LIKE_CLAUSE(field->name)) {
+ escape = ESCAPE_CLAUSE;
+ }
+ }
- 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);
+ ESCAPE_STRING(escapebuf, field->value);
+ if (pgresult) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: detected invalid input: '%s'\n", field->value);
+ ast_mutex_unlock(&pgsql_lock);
+ ast_config_destroy(cfg);
return NULL;
}
- snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " AND %s%s '%s'", newparam,
- op, escapebuf);
+ ast_str_append(&sql, 0, " AND %s%s '%s'%s", field->name, op, ast_str_buffer(escapebuf), escape);
}
if (initfield) {
- snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " ORDER BY %s", initfield);
+ ast_str_append(&sql, 0, " 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));
+ if (pgsql_exec(database, table, ast_str_buffer(sql), &result) != 0) {
ast_mutex_unlock(&pgsql_lock);
+ ast_config_destroy(cfg);
return NULL;
} else {
ExecStatusType result_status = PQresultStatus(result);
&& 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);
+ "PostgreSQL RealTime: Failed to query %s@%s. Check debug for more info.\n", table, database);
+ ast_debug(1, "PostgreSQL RealTime: Query: %s\n", ast_str_buffer(sql));
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
ast_mutex_unlock(&pgsql_lock);
+ ast_config_destroy(cfg);
return NULL;
}
}
- ast_debug(1, "PostgreSQL RealTime: Result=%p Query: %s\n", result, sql);
+ ast_debug(1, "PostgreSQL RealTime: Result=%p Query: %s\n", result, ast_str_buffer(sql));
if ((num_rows = PQntuples(result)) > 0) {
int numFields = PQnfields(result);
if (!(fieldnames = ast_calloc(1, numFields * sizeof(char *)))) {
ast_mutex_unlock(&pgsql_lock);
- PQclear(result);
+ ast_config_destroy(cfg);
return NULL;
}
for (i = 0; i < numFields; i++)
for (rowIndex = 0; rowIndex < num_rows; rowIndex++) {
var = NULL;
- if (!(cat = ast_category_new("","",99999)))
+ cat = ast_category_new_anonymous();
+ if (!cat) {
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 (chunk && !ast_strlen_zero(ast_realtime_decode_chunk(ast_strip(chunk)))) {
if (initfield && !strcmp(initfield, fieldnames[i])) {
ast_category_rename(cat, chunk);
}
}
ast_free(fieldnames);
} else {
- ast_log(LOG_WARNING,
- "PostgreSQL RealTime: Could not find any rows in table %s.\n", table);
+ ast_debug(1, "PostgreSQL RealTime: Could not find any rows in table %s.\n", table);
}
ast_mutex_unlock(&pgsql_lock);
- PQclear(result);
return cfg;
}
-static int update_pgsql(const char *database, const char *table, const char *keyfield,
- const char *lookup, va_list ap)
+static int update_pgsql(const char *database, const char *tablename, const char *keyfield,
+ const char *lookup, const struct ast_variable *fields)
{
- PGresult *result = NULL;
- int numrows = 0, pgerror;
- char sql[256], escapebuf[513];
- const char *newparam, *newval;
+ RAII_VAR(PGresult *, result, NULL, PQclear);
+ int numrows = 0, pgresult;
+ const struct ast_variable *field = fields;
+ struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
+ struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 100);
+ struct tables *table;
+ struct columns *column = NULL;
+
+ /*
+ * Ignore database from the extconfig.conf since it was
+ * configured by res_pgsql.conf.
+ */
+ database = dbname;
- if (!table) {
+ if (!tablename) {
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
return -1;
}
+ if (!(table = find_table(database, tablename))) {
+ ast_log(LOG_ERROR, "Table '%s' does not exist!!\n", tablename);
+ return -1;
+ }
+
+ /*
+ * Must connect to the server before anything else as ESCAPE_STRING()
+ * uses pgsqlConn
+ */
+ ast_mutex_lock(&pgsql_lock);
+ if (!pgsql_reconnect(database)) {
+ ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
+ 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 (!field) {
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;
- };
+ }
+ ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
+ return -1;
+ }
+
+ /* Check that the column exists in the table */
+ AST_LIST_TRAVERSE(&table->columns, column, list) {
+ if (strcmp(column->name, field->name) == 0) {
+ break;
+ }
+ }
+
+ if (!column) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: Updating on column '%s', but that column does not exist within the table '%s'!\n", field->name, tablename);
+ ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
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, escapebuf, newval, (sizeof(escapebuf) - 1) / 2, &pgerror);
- if (pgerror) {
- ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", newval);
- va_end(ap);
+ ESCAPE_STRING(escapebuf, field->value);
+ if (pgresult) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: detected invalid input: '%s'\n", field->value);
+ ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
return -1;
}
- snprintf(sql, sizeof(sql), "UPDATE %s SET %s = '%s'", table, newparam, escapebuf);
+ ast_str_set(&sql, 0, "UPDATE %s SET %s = '%s'", tablename, field->name, ast_str_buffer(escapebuf));
- while ((newparam = va_arg(ap, const char *))) {
- newval = va_arg(ap, const char *);
+ while ((field = field->next)) {
+ if (!find_column(table, field->name)) {
+ ast_log(LOG_NOTICE, "Attempted to update column '%s' in table '%s', but column does not exist!\n", field->name, tablename);
+ continue;
+ }
- 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);
+ ESCAPE_STRING(escapebuf, field->value);
+ if (pgresult) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: detected invalid input: '%s'\n", field->value);
+ ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
return -1;
}
- snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), ", %s = '%s'", newparam,
- escapebuf);
+ ast_str_append(&sql, 0, ", %s = '%s'", field->name, ast_str_buffer(escapebuf));
}
- va_end(ap);
+ release_table(table);
- PQescapeStringConn(pgsqlConn, escapebuf, lookup, (sizeof(escapebuf) - 1) / 2, &pgerror);
- if (pgerror) {
- ast_log(LOG_ERROR, "Postgres detected invalid input: '%s'\n", lookup);
- va_end(ap);
+ ESCAPE_STRING(escapebuf, lookup);
+ if (pgresult) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: detected invalid input: '%s'\n", lookup);
+ ast_mutex_unlock(&pgsql_lock);
return -1;
}
- snprintf(sql + strlen(sql), sizeof(sql) - strlen(sql), " WHERE %s = '%s'", keyfield,
- escapebuf);
+ ast_str_append(&sql, 0, " WHERE %s = '%s'", keyfield, ast_str_buffer(escapebuf));
- ast_debug(1, "PostgreSQL RealTime: Update SQL: %s\n", sql);
+ ast_debug(1, "PostgreSQL RealTime: Update SQL: %s\n", ast_str_buffer(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_debug(1, "PostgreSQL RealTime: Query: %s\n", sql);
- ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s\n", PQerrorMessage(pgsqlConn));
+ if (pgsql_exec(database, tablename, ast_str_buffer(sql), &result) != 0) {
ast_mutex_unlock(&pgsql_lock);
return -1;
} else {
&& 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: %s\n", ast_str_buffer(sql));
ast_debug(1, "PostgreSQL RealTime: Query Failed because: %s (%s)\n",
PQresultErrorMessage(result), PQresStatus(result_status));
ast_mutex_unlock(&pgsql_lock);
numrows = atoi(PQcmdTuples(result));
ast_mutex_unlock(&pgsql_lock);
- ast_debug(1, "PostgreSQL RealTime: Updated %d rows on table: %s\n", numrows, table);
+ ast_debug(1, "PostgreSQL RealTime: Updated %d rows on table: %s\n", numrows, tablename);
/* From http://dev.pgsql.com/doc/pgsql/en/pgsql-affected-rows.html
* An integer greater than zero indicates the number of rows affected
return -1;
}
-static int store_pgsql(const char *database, const char *table, va_list ap)
+static int update2_pgsql(const char *database, const char *tablename, const struct ast_variable *lookup_fields, const struct ast_variable *update_fields)
{
- PGresult *result = NULL;
- Oid insertid;
- char sql[256];
- char params[256];
- char vals[256];
- char buf[256];
- int pgresult;
- const char *newparam, *newval;
+ RAII_VAR(PGresult *, result, NULL, PQclear);
+ int numrows = 0, pgresult, first = 1;
+ struct ast_str *escapebuf = ast_str_thread_get(&escapebuf_buf, 16);
+ const struct ast_variable *field;
+ struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
+ struct ast_str *where = ast_str_thread_get(&where_buf, 100);
+ struct tables *table;
+
+ /*
+ * Ignore database from the extconfig.conf since it was
+ * configured by res_pgsql.conf.
+ */
+ database = dbname;
- if (!table) {
+ if (!tablename) {
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;
- };
+ if (!escapebuf || !sql || !where) {
+ /* Memory error, already handled */
+ return -1;
+ }
+
+ if (!(table = find_table(database, tablename))) {
+ ast_log(LOG_ERROR, "Table '%s' does not exist!!\n", tablename);
return -1;
}
- /* Must connect to the server before anything else, as the escape function requires the connection handle.. */
+ /*
+ * Must connect to the server before anything else as ESCAPE_STRING()
+ * uses pgsqlConn
+ */
ast_mutex_lock(&pgsql_lock);
if (!pgsql_reconnect(database)) {
ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
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_str_set(&sql, 0, "UPDATE %s SET", tablename);
+ ast_str_set(&where, 0, " WHERE");
+
+ for (field = lookup_fields; field; field = field->next) {
+ if (!find_column(table, field->name)) {
+ ast_log(LOG_ERROR, "Attempted to update based on criteria column '%s' (%s@%s), but that column does not exist!\n", field->name, tablename, database);
+ ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
+ return -1;
+ }
+
+ ESCAPE_STRING(escapebuf, field->value);
+ if (pgresult) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: detected invalid input: '%s'\n", field->value);
+ ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
+ return -1;
+ }
+ ast_str_append(&where, 0, "%s %s='%s'", first ? "" : " AND", field->name, ast_str_buffer(escapebuf));
+ first = 0;
+ }
+
+ if (first) {
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));
+ "PostgreSQL RealTime: Realtime update requires at least 1 parameter and 1 value to search on.\n");
+ if (pgsqlConn) {
+ PQfinish(pgsqlConn);
+ pgsqlConn = NULL;
+ }
ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
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));
+ }
+
+ /* Now retrieve the columns to update */
+ first = 1;
+ for (field = update_fields; field; field = field->next) {
+ /* If the column is not within the table, then skip it */
+ if (!find_column(table, field->name)) {
+ ast_log(LOG_NOTICE, "Attempted to update column '%s' in table '%s@%s', but column does not exist!\n", field->name, tablename, database);
+ continue;
+ }
+
+ ESCAPE_STRING(escapebuf, field->value);
+ if (pgresult) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: detected invalid input: '%s'\n", field->value);
ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
return -1;
}
+
+ ast_str_append(&sql, 0, "%s %s='%s'", first ? "" : ",", field->name, ast_str_buffer(escapebuf));
+ first = 0;
}
+ release_table(table);
+
+ ast_str_append(&sql, 0, "%s", ast_str_buffer(where));
+
+ ast_debug(1, "PostgreSQL RealTime: Update SQL: %s\n", ast_str_buffer(sql));
+
+ /* We now have our complete statement; Lets connect to the server and execute it. */
+ if (pgsql_exec(database, tablename, ast_str_buffer(sql), &result) != 0) {
+ ast_mutex_unlock(&pgsql_lock);
+ return -1;
+ }
- insertid = PQoidValue(result);
+ numrows = atoi(PQcmdTuples(result));
ast_mutex_unlock(&pgsql_lock);
- ast_debug(1, "PostgreSQL RealTime: row inserted on table: %s, id: %u\n", table, insertid);
+ ast_debug(1, "PostgreSQL RealTime: Updated %d rows on table: %s\n", numrows, tablename);
/* From http://dev.pgsql.com/doc/pgsql/en/pgsql-affected-rows.html
* An integer greater than zero indicates the number of rows affected
* -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;
+ if (numrows >= 0) {
+ return (int) numrows;
+ }
return -1;
}
-static int destroy_pgsql(const char *database, const char *table, const char *keyfield, const char *lookup, va_list ap)
+static int store_pgsql(const char *database, const char *table, const struct ast_variable *fields)
{
- PGresult *result = NULL;
- int numrows = 0;
+ RAII_VAR(PGresult *, result, NULL, PQclear);
+ int numrows;
+ struct ast_str *buf = ast_str_thread_get(&escapebuf_buf, 256);
+ struct ast_str *sql1 = ast_str_thread_get(&sql_buf, 256);
+ struct ast_str *sql2 = ast_str_thread_get(&where_buf, 256);
int pgresult;
- char sql[256];
- char buf[256], buf2[256];
- const char *newparam, *newval;
+ const struct ast_variable *field = fields;
+
+ /*
+ * Ignore database from the extconfig.conf since it was
+ * configured by res_pgsql.conf.
+ */
+ database = dbname;
if (!table) {
ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
return -1;
}
+ /*
+ * Must connect to the server before anything else as ESCAPE_STRING()
+ * uses pgsqlConn
+ */
+ ast_mutex_lock(&pgsql_lock);
+ if (!pgsql_reconnect(database)) {
+ ast_mutex_unlock(&pgsql_lock);
+ 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)) {
+ if (!field) {
ast_log(LOG_WARNING,
- "PostgreSQL RealTime: Realtime destroy requires at least 1 parameter and 1 value to search on.\n");
+ "PostgreSQL RealTime: Realtime storage requires at least 1 parameter and 1 value to store.\n");
if (pgsqlConn) {
PQfinish(pgsqlConn);
pgsqlConn = NULL;
- };
+ }
+ 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 */
+ ESCAPE_STRING(buf, field->name);
+ ast_str_set(&sql1, 0, "INSERT INTO %s (%s", table, ast_str_buffer(buf));
+ ESCAPE_STRING(buf, field->value);
+ ast_str_set(&sql2, 0, ") VALUES ('%s'", ast_str_buffer(buf));
+ while ((field = field->next)) {
+ ESCAPE_STRING(buf, field->name);
+ ast_str_append(&sql1, 0, ", %s", ast_str_buffer(buf));
+ ESCAPE_STRING(buf, field->value);
+ ast_str_append(&sql2, 0, ", '%s'", ast_str_buffer(buf));
+ }
+ ast_str_append(&sql1, 0, "%s)", ast_str_buffer(sql2));
+
+ ast_debug(1, "PostgreSQL RealTime: Insert SQL: %s\n", ast_str_buffer(sql1));
+
+ /* We now have our complete statement; Lets connect to the server and execute it. */
+ if (pgsql_exec(database, table, ast_str_buffer(sql1), &result) != 0) {
+ ast_mutex_unlock(&pgsql_lock);
+ return -1;
+ }
+
+ numrows = atoi(PQcmdTuples(result));
+ ast_mutex_unlock(&pgsql_lock);
+
+ ast_debug(1, "PostgreSQL RealTime: row inserted on table: %s.\n", 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 numrows;
+ }
+
+ return -1;
+}
+
+static int destroy_pgsql(const char *database, const char *table, const char *keyfield, const char *lookup, const struct ast_variable *fields)
+{
+ RAII_VAR(PGresult *, result, NULL, PQclear);
+ int numrows = 0;
+ int pgresult;
+ struct ast_str *sql = ast_str_thread_get(&sql_buf, 256);
+ struct ast_str *buf1 = ast_str_thread_get(&where_buf, 60), *buf2 = ast_str_thread_get(&escapebuf_buf, 60);
+ const struct ast_variable *field;
+
+ /*
+ * Ignore database from the extconfig.conf since it was
+ * configured by res_pgsql.conf.
+ */
+ database = dbname;
+
+ if (!table) {
+ ast_log(LOG_WARNING, "PostgreSQL RealTime: No table specified.\n");
return -1;
}
- /* Must connect to the server before anything else, as the escape function requires the connection handle.. */
+ /*
+ * Must connect to the server before anything else as ESCAPE_STRING()
+ * uses pgsqlConn
+ */
ast_mutex_lock(&pgsql_lock);
if (!pgsql_reconnect(database)) {
ast_mutex_unlock(&pgsql_lock);
return -1;
}
+ /* Get the first parameter and first value in our list of passed paramater/value pairs */
+ 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;
+ }
+ 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);
+ ESCAPE_STRING(buf1, keyfield);
+ ESCAPE_STRING(buf2, lookup);
+ ast_str_set(&sql, 0, "DELETE FROM %s WHERE %s = '%s'", table, ast_str_buffer(buf1), ast_str_buffer(buf2));
+ for (field = fields; field; field = field->next) {
+ ESCAPE_STRING(buf1, field->name);
+ ESCAPE_STRING(buf2, field->value);
+ ast_str_append(&sql, 0, " AND %s = '%s'", ast_str_buffer(buf1), ast_str_buffer(buf2));
}
- va_end(ap);
- ast_debug(1, "PostgreSQL RealTime: Delete SQL: %s\n", sql);
+ ast_debug(1, "PostgreSQL RealTime: Delete SQL: %s\n", ast_str_buffer(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));
+ /* We now have our complete statement; Lets connect to the server and execute it. */
+ if (pgsql_exec(database, table, ast_str_buffer(sql), &result) != 0) {
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));
static struct ast_config *config_pgsql(const char *database, const char *table,
const char *file, struct ast_config *cfg,
- struct ast_flags flags, const char *suggested_incl)
+ struct ast_flags flags, const char *suggested_incl, const char *who_asked)
{
- PGresult *result = NULL;
+ RAII_VAR(PGresult *, result, NULL, PQclear);
long num_rows;
struct ast_variable *new_v;
struct ast_category *cur_cat = NULL;
- char sqlbuf[1024] = "";
- char *sql = sqlbuf;
- size_t sqlleft = sizeof(sqlbuf);
- char last[80] = "";
+ struct ast_str *sql = ast_str_thread_get(&sql_buf, 100);
+ char last[80];
int last_cat_metric = 0;
last[0] = '\0';
+ /*
+ * Ignore database from the extconfig.conf since it is
+ * configured by res_pgsql.conf.
+ */
+ database = dbname;
+
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_str_set(&sql, 0, "SELECT category, var_name, var_val, cat_metric FROM %s "
+ "WHERE filename='%s' and commented=0 "
+ "ORDER BY cat_metric DESC, var_metric ASC, category, var_name ", table, file);
- ast_debug(1, "PostgreSQL RealTime: Static SQL: %s\n", sqlbuf);
+ ast_debug(1, "PostgreSQL RealTime: Static SQL: %s\n", ast_str_buffer(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 NULL;
- }
- if (!(result = PQexec(pgsqlConn, sqlbuf))) {
- 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));
+ /* We now have our complete statement; Lets connect to the server and execute it. */
+ if (pgsql_exec(database, table, ast_str_buffer(sql), &result) != 0) {
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;
- }
- }
+ return NULL;
+ }
if ((num_rows = PQntuples(result)) > 0) {
int rowIndex = 0;
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, flags, "")) {
- PQclear(result);
+ if (!ast_config_internal_load(field_var_val, cfg, flags, "", who_asked)) {
ast_mutex_unlock(&pgsql_lock);
return NULL;
}
}
if (strcmp(last, field_category) || last_cat_metric != atoi(field_cat_metric)) {
- cur_cat = ast_category_new(field_category, "", 99999);
- if (!cur_cat)
+ cur_cat = ast_category_new_dynamic(field_category);
+ if (!cur_cat) {
break;
- strcpy(last, field_category);
+ }
+ ast_copy_string(last, field_category, sizeof(last));
last_cat_metric = atoi(field_cat_metric);
ast_category_append(cfg, cur_cat);
}
"PostgreSQL RealTime: Could not find config '%s' in database.\n", file);
}
- PQclear(result);
ast_mutex_unlock(&pgsql_lock);
return cfg;
}
+static int require_pgsql(const char *database, const char *tablename, va_list ap)
+{
+ struct columns *column;
+ struct tables *table;
+ char *elm;
+ int type, size, res = 0;
+
+ /*
+ * Ignore database from the extconfig.conf since it was
+ * configured by res_pgsql.conf.
+ */
+ database = dbname;
+
+ table = find_table(database, tablename);
+ if (!table) {
+ ast_log(LOG_WARNING, "Table %s not found in database. This table should exist if you're using realtime.\n", tablename);
+ return -1;
+ }
+
+ while ((elm = va_arg(ap, char *))) {
+ type = va_arg(ap, require_type);
+ size = va_arg(ap, int);
+ AST_LIST_TRAVERSE(&table->columns, column, list) {
+ if (strcmp(column->name, elm) == 0) {
+ /* Char can hold anything, as long as it is large enough */
+ if ((strncmp(column->type, "char", 4) == 0 || strncmp(column->type, "varchar", 7) == 0 || strcmp(column->type, "bpchar") == 0)) {
+ if ((size > column->len) && column->len != -1) {
+ ast_log(LOG_WARNING, "Column '%s' should be at least %d long, but is only %d long.\n", column->name, size, column->len);
+ res = -1;
+ }
+ } else if (strncmp(column->type, "int", 3) == 0) {
+ int typesize = atoi(column->type + 3);
+ /* Integers can hold only other integers */
+ if ((type == RQ_INTEGER8 || type == RQ_UINTEGER8 ||
+ type == RQ_INTEGER4 || type == RQ_UINTEGER4 ||
+ type == RQ_INTEGER3 || type == RQ_UINTEGER3 ||
+ type == RQ_UINTEGER2) && typesize == 2) {
+ ast_log(LOG_WARNING, "Column '%s' may not be large enough for the required data length: %d\n", column->name, size);
+ res = -1;
+ } else if ((type == RQ_INTEGER8 || type == RQ_UINTEGER8 ||
+ type == RQ_UINTEGER4) && typesize == 4) {
+ ast_log(LOG_WARNING, "Column '%s' may not be large enough for the required data length: %d\n", column->name, size);
+ res = -1;
+ } else if (type == RQ_CHAR || type == RQ_DATETIME || type == RQ_FLOAT || type == RQ_DATE) {
+ ast_log(LOG_WARNING, "Column '%s' is of the incorrect type: (need %s(%d) but saw %s)\n",
+ column->name,
+ type == RQ_CHAR ? "char" :
+ type == RQ_DATETIME ? "datetime" :
+ type == RQ_DATE ? "date" :
+ type == RQ_FLOAT ? "float" :
+ "a rather stiff drink ",
+ size, column->type);
+ res = -1;
+ }
+ } else if (strncmp(column->type, "float", 5) == 0) {
+ if (!ast_rq_is_int(type) && type != RQ_FLOAT) {
+ ast_log(LOG_WARNING, "Column %s cannot be a %s\n", column->name, column->type);
+ res = -1;
+ }
+ } else if (strncmp(column->type, "timestamp", 9) == 0) {
+ if (type != RQ_DATETIME && type != RQ_DATE) {
+ ast_log(LOG_WARNING, "Column %s cannot be a %s\n", column->name, column->type);
+ res = -1;
+ }
+ } else { /* There are other types that no module implements yet */
+ ast_log(LOG_WARNING, "Possibly unsupported column type '%s' on column '%s'\n", column->type, column->name);
+ res = -1;
+ }
+ break;
+ }
+ }
+
+ if (!column) {
+ if (requirements == RQ_WARN) {
+ ast_log(LOG_WARNING, "Table %s requires a column '%s' of size '%d', but no such column exists.\n", tablename, elm, size);
+ res = -1;
+ } else {
+ struct ast_str *sql = ast_str_create(100);
+ char fieldtype[15];
+ PGresult *result;
+
+ if (requirements == RQ_CREATECHAR || type == RQ_CHAR) {
+ /* Size is minimum length; make it at least 50% greater,
+ * just to be sure, because PostgreSQL doesn't support
+ * resizing columns. */
+ snprintf(fieldtype, sizeof(fieldtype), "CHAR(%hhu)",
+ size < 15 ? size * 2 :
+ (size * 3 / 2 > 255) ? 255 : size * 3 / 2);
+ } else if (type == RQ_INTEGER1 || type == RQ_UINTEGER1 || type == RQ_INTEGER2) {
+ snprintf(fieldtype, sizeof(fieldtype), "INT2");
+ } else if (type == RQ_UINTEGER2 || type == RQ_INTEGER3 || type == RQ_UINTEGER3 || type == RQ_INTEGER4) {
+ snprintf(fieldtype, sizeof(fieldtype), "INT4");
+ } else if (type == RQ_UINTEGER4 || type == RQ_INTEGER8) {
+ snprintf(fieldtype, sizeof(fieldtype), "INT8");
+ } else if (type == RQ_UINTEGER8) {
+ /* No such type on PostgreSQL */
+ snprintf(fieldtype, sizeof(fieldtype), "CHAR(20)");
+ } else if (type == RQ_FLOAT) {
+ snprintf(fieldtype, sizeof(fieldtype), "FLOAT8");
+ } else if (type == RQ_DATE) {
+ snprintf(fieldtype, sizeof(fieldtype), "DATE");
+ } else if (type == RQ_DATETIME) {
+ snprintf(fieldtype, sizeof(fieldtype), "TIMESTAMP");
+ } else {
+ ast_log(LOG_ERROR, "Unrecognized request type %d\n", type);
+ ast_free(sql);
+ continue;
+ }
+ ast_str_set(&sql, 0, "ALTER TABLE %s ADD COLUMN %s %s", tablename, elm, fieldtype);
+ ast_debug(1, "About to lock pgsql_lock (running alter on table '%s' to add column '%s')\n", tablename, elm);
+
+ ast_mutex_lock(&pgsql_lock);
+ ast_debug(1, "About to run ALTER query on table '%s' to add column '%s'\n", tablename, elm);
+
+ if (pgsql_exec(database, tablename, ast_str_buffer(sql), &result) != 0) {
+ ast_mutex_unlock(&pgsql_lock);
+ release_table(table);
+ return -1;
+ }
+
+ ast_debug(1, "Finished running ALTER query on table '%s'\n", tablename);
+ if (PQresultStatus(result) != PGRES_COMMAND_OK) {
+ ast_log(LOG_ERROR, "Unable to add column: %s\n", ast_str_buffer(sql));
+ }
+ PQclear(result);
+ ast_mutex_unlock(&pgsql_lock);
+
+ ast_free(sql);
+ }
+ }
+ }
+ release_table(table);
+ return res;
+}
+
+static int unload_pgsql(const char *database, const char *tablename)
+{
+ struct tables *cur;
+
+ /*
+ * Ignore database from the extconfig.conf since it was
+ * configured by res_pgsql.conf.
+ */
+ database = dbname;
+
+ ast_debug(2, "About to lock table cache list\n");
+ AST_LIST_LOCK(&psql_tables);
+ ast_debug(2, "About to traverse table cache list\n");
+ AST_LIST_TRAVERSE_SAFE_BEGIN(&psql_tables, cur, list) {
+ if (strcmp(cur->name, tablename) == 0) {
+ ast_debug(2, "About to remove matching cache entry\n");
+ AST_LIST_REMOVE_CURRENT(list);
+ ast_debug(2, "About to destroy matching cache entry\n");
+ destroy_table(cur);
+ ast_debug(1, "Cache entry '%s@%s' destroyed\n", tablename, database);
+ break;
+ }
+ }
+ AST_LIST_TRAVERSE_SAFE_END
+ AST_LIST_UNLOCK(&psql_tables);
+ ast_debug(2, "About to return\n");
+ return cur ? 0 : -1;
+}
+
static struct ast_config_engine pgsql_engine = {
.name = "pgsql",
.load_func = config_pgsql,
.realtime_multi_func = realtime_multi_pgsql,
.store_func = store_pgsql,
.destroy_func = destroy_pgsql,
- .update_func = update_pgsql
+ .update_func = update_pgsql,
+ .update2_func = update2_pgsql,
+ .require_func = require_pgsql,
+ .unload_func = unload_pgsql,
};
static int load_module(void)
return AST_MODULE_LOAD_DECLINE;
ast_config_engine_register(&pgsql_engine);
- ast_verb(1, "PostgreSQL RealTime driver loaded.\n");
- ast_cli_register_multiple(cli_realtime, sizeof(cli_realtime) / sizeof(struct ast_cli_entry));
+
+ ast_cli_register_multiple(cli_realtime, ARRAY_LEN(cli_realtime));
return 0;
}
static int unload_module(void)
{
+ struct tables *table;
/* Acquire control before doing anything to the module itself. */
ast_mutex_lock(&pgsql_lock);
PQfinish(pgsqlConn);
pgsqlConn = NULL;
}
- ast_cli_unregister_multiple(cli_realtime, sizeof(cli_realtime) / sizeof(struct ast_cli_entry));
+ ast_cli_unregister_multiple(cli_realtime, ARRAY_LEN(cli_realtime));
ast_config_engine_deregister(&pgsql_engine);
- ast_verb(1, "PostgreSQL RealTime unloaded.\n");
/* Unlock so something else can destroy the lock. */
ast_mutex_unlock(&pgsql_lock);
+ /* Destroy cached table info */
+ AST_LIST_LOCK(&psql_tables);
+ while ((table = AST_LIST_REMOVE_HEAD(&psql_tables, list))) {
+ destroy_table(table);
+ }
+ AST_LIST_UNLOCK(&psql_tables);
+
return 0;
}
return 0;
}
-static int parse_config(int reload)
+static int parse_config(int is_reload)
{
struct ast_config *config;
const char *s;
- struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
+ struct ast_flags config_flags = { is_reload ? CONFIG_FLAG_FILEUNCHANGED : 0 };
- if ((config = ast_config_load(RES_CONFIG_PGSQL_CONF, config_flags)) == CONFIG_STATUS_FILEUNCHANGED)
+ config = ast_config_load(RES_CONFIG_PGSQL_CONF, config_flags);
+ if (config == CONFIG_STATUS_FILEUNCHANGED) {
+ if (is_reload && pgsqlConn && PQstatus(pgsqlConn) != CONNECTION_OK) {
+ ast_log(LOG_WARNING, "PostgreSQL RealTime: Not connected\n");
+ }
return 0;
+ }
- if (!config) {
+ if (config == CONFIG_STATUS_FILEMISSING || config == CONFIG_STATUS_FILEINVALID) {
ast_log(LOG_WARNING, "Unable to load config %s\n", RES_CONFIG_PGSQL_CONF);
return 0;
}
ast_mutex_lock(&pgsql_lock);
+ /* XXX: Why would we do this before we're ready to establish a new connection? */
if (pgsqlConn) {
PQfinish(pgsqlConn);
pgsqlConn = NULL;
dbport = atoi(s);
}
+ if (!(s = ast_variable_retrieve(config, "general", "dbappname"))) {
+ dbappname[0] = '\0';
+ } else {
+ ast_copy_string(dbappname, s, sizeof(dbappname));
+ }
+
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");
+ "PostgreSQL RealTime: No database socket found, using '/tmp/.s.PGSQL.%d' as default.\n", dbport);
+ strcpy(dbsock, "/tmp");
} else {
ast_copy_string(dbsock, s, sizeof(dbsock));
}
+
+ if (!(s = ast_variable_retrieve(config, "general", "requirements"))) {
+ ast_log(LOG_WARNING,
+ "PostgreSQL RealTime: no requirements setting found, using 'warn' as default.\n");
+ requirements = RQ_WARN;
+ } else if (!strcasecmp(s, "createclose")) {
+ requirements = RQ_CREATECLOSE;
+ } else if (!strcasecmp(s, "createchar")) {
+ requirements = RQ_CREATECHAR;
+ }
+
ast_config_destroy(config);
if (option_debug) {
/* mutex lock should have been locked before calling this function. */
- if (pgsqlConn && PQstatus(pgsqlConn) != CONNECTION_OK) {
+ if (pgsqlConn) {
+ if (PQstatus(pgsqlConn) == CONNECTION_OK) {
+ /* We're good? */
+ return 1;
+ }
+
PQfinish(pgsqlConn);
pgsqlConn = NULL;
}
/* DB password can legitimately be 0-length */
- if ((!pgsqlConn) && (!ast_strlen_zero(dbhost) || !ast_strlen_zero(dbsock)) && !ast_strlen_zero(dbuser) && dbpass && !ast_strlen_zero(my_database)) {
- struct ast_str *connInfo = ast_str_create(32);
+ if ((!ast_strlen_zero(dbhost) || !ast_strlen_zero(dbsock)) && !ast_strlen_zero(dbuser) && !ast_strlen_zero(my_database)) {
+ struct ast_str *conn_info = ast_str_create(128);
+
+ if (!conn_info) {
+ ast_log(LOG_ERROR, "PostgreSQL RealTime: Failed to allocate memory for connection string.\n");
+ return 0;
+ }
- ast_str_set(&connInfo, 0, "host=%s port=%d dbname=%s user=%s",
- dbhost, dbport, my_database, dbuser);
- if (!ast_strlen_zero(dbpass))
- ast_str_append(&connInfo, 0, " password=%s", dbpass);
+ ast_str_set(&conn_info, 0, "host=%s port=%d dbname=%s user=%s",
+ S_OR(dbhost, dbsock), dbport, my_database, dbuser);
- ast_debug(1, "%u connInfo=%s\n", connInfo->len, connInfo->str);
- pgsqlConn = PQconnectdb(connInfo->str);
- ast_debug(1, "%u connInfo=%s\n", connInfo->len, connInfo->str);
- ast_free(connInfo);
- connInfo = NULL;
+ if (!ast_strlen_zero(dbappname)) {
+ ast_str_append(&conn_info, 0, " application_name=%s", dbappname);
+ }
+
+ if (!ast_strlen_zero(dbpass)) {
+ ast_str_append(&conn_info, 0, " password=%s", dbpass);
+ }
+
+ pgsqlConn = PQconnectdb(ast_str_buffer(conn_info));
+ ast_free(conn_info);
+ conn_info = NULL;
ast_debug(1, "pgsqlConn=%p\n", pgsqlConn);
if (pgsqlConn && PQstatus(pgsqlConn) == CONNECTION_OK) {
ast_debug(1, "PostgreSQL RealTime: Successfully connected to database.\n");
connect_time = time(NULL);
+ version = PQserverVersion(pgsqlConn);
return 1;
} else {
ast_log(LOG_ERROR,
"PostgreSQL RealTime: Failed to connect database %s on %s: %s\n",
- dbname, dbhost, PQresultErrorMessage(NULL));
+ my_database, dbhost, PQresultErrorMessage(NULL));
return 0;
}
} else {
}
}
+static char *handle_cli_realtime_pgsql_cache(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
+{
+ struct tables *cur;
+ int l, which;
+ char *ret = NULL;
+
+ switch (cmd) {
+ case CLI_INIT:
+ e->command = "realtime show pgsql cache";
+ e->usage =
+ "Usage: realtime show pgsql cache [<table>]\n"
+ " Shows table cache for the PostgreSQL RealTime driver\n";
+ return NULL;
+ case CLI_GENERATE:
+ if (a->argc != 4) {
+ return NULL;
+ }
+ l = strlen(a->word);
+ which = 0;
+ AST_LIST_LOCK(&psql_tables);
+ AST_LIST_TRAVERSE(&psql_tables, cur, list) {
+ if (!strncasecmp(a->word, cur->name, l) && ++which > a->n) {
+ ret = ast_strdup(cur->name);
+ break;
+ }
+ }
+ AST_LIST_UNLOCK(&psql_tables);
+ return ret;
+ }
+
+ if (a->argc == 4) {
+ /* List of tables */
+ AST_LIST_LOCK(&psql_tables);
+ AST_LIST_TRAVERSE(&psql_tables, cur, list) {
+ ast_cli(a->fd, "%s\n", cur->name);
+ }
+ AST_LIST_UNLOCK(&psql_tables);
+ } else if (a->argc == 5) {
+ /* List of columns */
+ if ((cur = find_table(NULL, a->argv[4]))) {
+ struct columns *col;
+ ast_cli(a->fd, "Columns for Table Cache '%s':\n", a->argv[4]);
+ ast_cli(a->fd, "%-20.20s %-20.20s %-3.3s %-8.8s\n", "Name", "Type", "Len", "Nullable");
+ AST_LIST_TRAVERSE(&cur->columns, col, list) {
+ ast_cli(a->fd, "%-20.20s %-20.20s %3d %-8.8s\n", col->name, col->type, col->len, col->notnull ? "NOT NULL" : "");
+ }
+ release_table(cur);
+ } else {
+ ast_cli(a->fd, "No such table '%s'\n", a->argv[4]);
+ }
+ }
+ return 0;
+}
+
static char *handle_cli_realtime_pgsql_status(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
- char status[256], status2[100] = "";
- int ctime = time(NULL) - connect_time;
+ char connection_info[256];
+ char credentials[100] = "";
+ char buf[376]; /* 256+100+"Connected to "+" for "+NULL */
+ int is_connected = 0, ctimesec = time(NULL) - connect_time;
switch (cmd) {
case CLI_INIT:
- e->command = "realtime pgsql status";
+ e->command = "realtime show pgsql status";
e->usage =
- "Usage: realtime pgsql status\n"
+ "Usage: realtime show pgsql status\n"
" Shows connection information for the PostgreSQL RealTime driver\n";
return NULL;
case CLI_GENERATE:
return NULL;
}
- if (a->argc != 3)
+ if (a->argc != 4)
return CLI_SHOWUSAGE;
- if (pgsqlConn && PQstatus(pgsqlConn) == CONNECTION_OK) {
- if (!ast_strlen_zero(dbhost))
- snprintf(status, 255, "Connected to %s@%s, port %d", dbname, dbhost, dbport);
- else if (!ast_strlen_zero(dbsock))
- snprintf(status, 255, "Connected to %s on socket file %s", dbname, dbsock);
- else
- snprintf(status, 255, "Connected to %s@%s", dbname, dbhost);
-
- if (!ast_strlen_zero(dbuser))
- snprintf(status2, 99, " with username %s", dbuser);
-
- if (ctime > 31536000)
- ast_cli(a->fd, "%s%s for %d years, %d days, %d hours, %d minutes, %d seconds.\n",
- status, status2, ctime / 31536000, (ctime % 31536000) / 86400,
- (ctime % 86400) / 3600, (ctime % 3600) / 60, ctime % 60);
- else if (ctime > 86400)
- ast_cli(a->fd, "%s%s for %d days, %d hours, %d minutes, %d seconds.\n", status,
- status2, ctime / 86400, (ctime % 86400) / 3600, (ctime % 3600) / 60,
- ctime % 60);
- else if (ctime > 3600)
- ast_cli(a->fd, "%s%s for %d hours, %d minutes, %d seconds.\n", status, status2,
- ctime / 3600, (ctime % 3600) / 60, ctime % 60);
- else if (ctime > 60)
- ast_cli(a->fd, "%s%s for %d minutes, %d seconds.\n", status, status2, ctime / 60,
- ctime % 60);
- else
- ast_cli(a->fd, "%s%s for %d seconds.\n", status, status2, ctime);
+ if (!ast_strlen_zero(dbhost))
+ snprintf(connection_info, sizeof(connection_info), "%s@%s, port %d", dbname, dbhost, dbport);
+ else if (!ast_strlen_zero(dbsock))
+ snprintf(connection_info, sizeof(connection_info), "%s on socket file %s", dbname, dbsock);
+ else
+ snprintf(connection_info, sizeof(connection_info), "%s@%s", dbname, dbhost);
+
+ if (!ast_strlen_zero(dbuser))
+ snprintf(credentials, sizeof(credentials), " with username %s", dbuser);
+
+ ast_mutex_lock(&pgsql_lock);
+ is_connected = (pgsqlConn && PQstatus(pgsqlConn) == CONNECTION_OK);
+ ast_mutex_unlock(&pgsql_lock);
+ if (is_connected) {
+ snprintf(buf, sizeof(buf), "Connected to %s%s for ", connection_info, credentials);
+ ast_cli_print_timestr_fromseconds(a->fd, ctimesec, buf);
return CLI_SUCCESS;
} else {
+ ast_cli(a->fd, "Unable to connect %s%s\n", connection_info, credentials);
return CLI_FAILURE;
}
}
/* needs usecount semantics defined */
-AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_GLOBAL_SYMBOLS, "PostgreSQL RealTime Configuration Driver",
- .load = load_module,
- .unload = unload_module,
- .reload = reload
- );
+AST_MODULE_INFO(ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER, "PostgreSQL RealTime Configuration Driver",
+ .support_level = AST_MODULE_SUPPORT_EXTENDED,
+ .load = load_module,
+ .unload = unload_module,
+ .reload = reload,
+ .load_pri = AST_MODPRI_REALTIME_DRIVER,
+);