Code

sysdb: Don't exit if the server closed the connection.
[sysdb.git] / src / tools / sysdb / input.c
index 9ed11eddd0e26309fab0bbda7333495ae86bd37c..52036028d2905d35555705ec026e2bc30f96c55e 100644 (file)
@@ -161,12 +161,15 @@ input_readline(void)
 
        if (sysdb_input->query_len)
                prompt = "sysdb-> ";
+       if (sdb_client_eof(sysdb_input->client))
+               prompt = "!-> ";
 
        rl_callback_handler_install(prompt, handle_input);
        client_fd = sdb_client_sockfd(sysdb_input->client);
        while ((sdb_strbuf_len(sysdb_input->input) == len)
                        && (! sysdb_input->eof)) {
-               int n;
+               bool connected = !sdb_client_eof(sysdb_input->client);
+               int max_fd, n;
 
                /* XXX: some versions of libedit don't properly reset the terminal in
                 * rl_callback_read_char(); detect those versions */
@@ -174,9 +177,15 @@ input_readline(void)
 
                FD_ZERO(&fds);
                FD_SET(STDIN_FILENO, &fds);
-               FD_SET(client_fd, &fds);
+               max_fd = STDIN_FILENO;
 
-               n = select(client_fd + 1, &fds, NULL, NULL, /* timeout = */ NULL);
+               if (connected) {
+                       FD_SET(client_fd, &fds);
+                       if (client_fd > max_fd)
+                               max_fd = client_fd;
+               }
+
+               n = select(max_fd + 1, &fds, NULL, NULL, /* timeout = */ NULL);
                if (n < 0)
                        return (ssize_t)n;
                else if (! n)
@@ -188,22 +197,23 @@ input_readline(void)
                        continue;
                }
 
-               if (! FD_ISSET(client_fd, &fds))
+               if ((! connected) || (! FD_ISSET(client_fd, &fds)))
                        continue;
 
-               if (sdb_client_eof(sysdb_input->client)) {
-                       /* XXX: try to reconnect */
-                       printf("\n");
-                       sdb_log(SDB_LOG_ERR, "Remote side closed the connection.");
-                       /* return EOF */
-                       return 0;
-               }
-
                /* some response / error message from the server pending */
                /* XXX: clear current line */
                printf("\n");
                sdb_command_print_reply(sysdb_input->client);
-               rl_forced_update_display();
+
+               if (sdb_client_eof(sysdb_input->client)) {
+                       rl_callback_handler_remove();
+                       /* XXX */
+                       printf("Remote side closed the connection.\n");
+                       /* return EOF -> restart scanner */
+                       return 0;
+               }
+               else
+                       rl_forced_update_display();
        }
 
        /* new data available */
@@ -230,7 +240,8 @@ sdb_input_init(sdb_input_t *input)
 int
 sdb_input_mainloop(void)
 {
-       yylex();
+       while (! sysdb_input->eof)
+               yylex();
        return 0;
 } /* sdb_input_mainloop */