frontend: Added the SERVER_VERSION command.

[sysdb.git] / src / frontend / connection.c

diff --git a/src/frontend/connection.c b/src/frontend/connection.c
index 64f2cb2000322dcb83557c932282e0125a797ca2..117c6ae18adab025f667fab709c3997b7b0618e6 100644 (file)
--- a/src/frontend/connection.c
+++ b/src/frontend/connection.c
@@ -284,6 +284,7 @@ command_handle(sdb_conn_t *conn)
                status = sdb_connection_ping(conn);
        else if (conn->cmd == SDB_CONNECTION_STARTUP)
                status = sdb_fe_session_start(conn);
+
        else if (conn->cmd == SDB_CONNECTION_QUERY)
                status = sdb_fe_query(conn);
        else if (conn->cmd == SDB_CONNECTION_FETCH)
@@ -294,6 +295,10 @@ command_handle(sdb_conn_t *conn)
                status = sdb_fe_lookup(conn);
        else if (conn->cmd == SDB_CONNECTION_STORE)
                status = sdb_fe_store(conn);
+
+       else if (conn->cmd == SDB_CONNECTION_SERVER_VERSION)
+               status = sdb_connection_server_version(conn);
+
        else {
                sdb_log(SDB_LOG_WARNING, "frontend: Ignoring invalid command %#x",
                                conn->cmd);
@@ -532,5 +537,20 @@ sdb_connection_ping(sdb_conn_t *conn)
        return 0;
 } /* sdb_connection_ping */
 
+int
+sdb_connection_server_version(sdb_conn_t *conn)
+{
+       char msg[sizeof(uint32_t) + strlen(SDB_VERSION_EXTRA) + 1];
+
+       if ((! conn) || (conn->cmd != SDB_CONNECTION_SERVER_VERSION))
+               return -1;
+
+       sdb_proto_marshal_int32(msg, sizeof(msg), (uint32_t)SDB_VERSION);
+       strncpy(msg + sizeof(uint32_t), SDB_VERSION_EXTRA,
+                       sizeof(msg) - sizeof(uint32_t));
+       sdb_connection_send(conn, SDB_CONNECTION_OK, (uint32_t)sizeof(msg), msg);
+       return 0;
+} /* sdb_connection_server_version */
+
 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */