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cel_pgsql, cdr_pgsql, res_config_pgsql: Add PostgreSQL application_name support

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This patch adds support for the PostgreSQL application_name connection setting.
When the appropriate PostgreSQL module's configuration is set with an
application name, the name will be passed to PostgreSQL on connection and
displayed in the database's pg_stat_activity view, as well as in CSV logs. This
aids in managing which applications/servers are connected to a PostgreSQL
database, as well as tracing the activity of those connections.

Review: https://reviewboard.asterisk.org/r/3591

ASTERISK-23737 #close
Reported by: Gergely Domodi
patches:
  pgsql_application_name.patch uploaded by Gergely Domodi (License 6610)


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@418755 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Jordan
2014-07-16 13:55:36 +00:00
parent fee789dddb
commit 03e9c598e5
7 changed files with 179 additions and 26 deletions
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34
res/res_config_pgsql.c
View File

@@ -79,6 +79,7 @@ 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;
@@ -1436,6 +1437,12 @@ static int parse_config(int is_reload)
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"))) {
@@ -1499,18 +1506,27 @@ static int pgsql_reconnect(const char *database)
/* DB password can legitimately be 0-length */
if ((!pgsqlConn) && (!ast_strlen_zero(dbhost) || !ast_strlen_zero(dbsock)) && !ast_strlen_zero(dbuser) && !ast_strlen_zero(my_database)) {
struct ast_str *connInfo = ast_str_create(128);
struct ast_str *conn_info = ast_str_create(128);
ast_str_set(&connInfo, 0, "host=%s port=%d dbname=%s user=%s",
if (!conn_info) {
ast_log(LOG_ERROR, "PostgreSQL RealTime: Failed to allocate memory for connection string.\n");
return 0;
}
ast_str_set(&conn_info, 0, "host=%s port=%d dbname=%s user=%s",
S_OR(dbhost, dbsock), dbport, my_database, dbuser);
if (!ast_strlen_zero(dbpass))
ast_str_append(&connInfo, 0, " password=%s", dbpass);
ast_debug(1, "%u connInfo=%s\n", (unsigned int)ast_str_size(connInfo), ast_str_buffer(connInfo));
pgsqlConn = PQconnectdb(ast_str_buffer(connInfo));
ast_debug(1, "%u connInfo=%s\n", (unsigned int)ast_str_size(connInfo), ast_str_buffer(connInfo));
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) {