X-Git-Url: https://git.tokkee.org/?p=sysdb.git;a=blobdiff_plain;f=src%2Ftools%2Fsysdb%2Finput.c;h=2a2d1707101404169febb67d0ac643aaa98ec649;hp=9ed11eddd0e26309fab0bbda7333495ae86bd37c;hb=eeecbb1672352c4dc15af2ca345f2bb5cc5a5f66;hpb=da5a92e6334c4fc863c4704426666ab768721a67 diff --git a/src/tools/sysdb/input.c b/src/tools/sysdb/input.c index 9ed11ed..2a2d170 100644 --- a/src/tools/sysdb/input.c +++ b/src/tools/sysdb/input.c @@ -159,14 +159,17 @@ input_readline(void) return (ssize_t)(sdb_strbuf_len(sysdb_input->input) - len); } - if (sysdb_input->query_len) - prompt = "sysdb-> "; + if (sysdb_input->have_input) + prompt = " -> "; + 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; + /* some response / error message from the server pending */ + /* XXX: clear current line */ + printf("\n"); + sdb_command_print_reply(sysdb_input); + if (sdb_client_eof(sysdb_input->client)) { - /* XXX: try to reconnect */ - printf("\n"); + rl_callback_handler_remove(); + /* XXX */ sdb_log(SDB_LOG_ERR, "Remote side closed the connection."); - /* return EOF */ + /* return EOF -> restart scanner */ 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(); + else + rl_forced_update_display(); } /* new data available */ @@ -227,10 +237,29 @@ sdb_input_init(sdb_input_t *input) return 0; } /* sdb_input_init */ +void +sdb_input_reset(sdb_input_t *input) +{ + sdb_input_t reset = SDB_INPUT_INIT; + + if (! input) + return; + + if (input->client) + sdb_client_destroy(input->client); + if (input->user) + free(input->user); + if (input->input) + sdb_strbuf_destroy(input->input); + + *input = reset; +} /* sdb_input_reset */ + int sdb_input_mainloop(void) { - yylex(); + while (! sysdb_input->eof) + yylex(); return 0; } /* sdb_input_mainloop */ @@ -264,24 +293,45 @@ sdb_input_readline(char *buf, size_t *n_chars, size_t max_chars) int sdb_input_exec_query(void) { - char *query = sdb_command_exec(sysdb_input); + char *query = NULL; + + HIST_ENTRY *hist; + const char *prev = NULL; - HIST_ENTRY *current_hist; - const char *hist_line = NULL; + if (! sysdb_input->have_input) { + /* empty line */ + if (sdb_client_eof(sysdb_input->client)) + sdb_input_reconnect(); + return 0; + } + query = sdb_command_exec(sysdb_input); if (! query) return -1; - current_hist = current_history(); - if (current_hist) - hist_line = current_hist->line; + hist = history_get(history_length); + if (hist) + prev = hist->line; if (*query != ' ') - if ((! hist_line) || strcmp(hist_line, query)) + if ((! prev) || strcmp(prev, query)) add_history(query); free(query); return 0; } /* sdb_input_exec_query */ +int +sdb_input_reconnect(void) +{ + sdb_client_close(sysdb_input->client); + if (sdb_client_connect(sysdb_input->client, sysdb_input->user)) { + sdb_log(SDB_LOG_ERR, "Failed to reconnect to SysDBd"); + return -1; + } + sdb_log(SDB_LOG_INFO, "Successfully reconnected to SysDBd"); + sdb_command_print_server_version(sysdb_input); + return 0; +} /* sdb_input_reconnect */ + /* vim: set tw=78 sw=4 ts=4 noexpandtab : */