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/*
*
* Connection Manager
*
* Copyright (C) 2012-2013 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <glib.h>
#include <readline/readline.h>
#include <readline/history.h>
#include <gdbus.h>
#include "input.h"
#include "commands.h"
static DBusConnection *connection;
static GMainLoop *main_loop;
static bool interactive = false;
static bool save_input;
static char *saved_line;
static int saved_point;
void __connmanctl_quit(void)
{
if (main_loop != NULL)
g_main_loop_quit(main_loop);
}
bool __connmanctl_is_interactive(void)
{
return interactive;
}
void __connmanctl_save_rl(void)
{
if (interactive == false)
return;
save_input = !RL_ISSTATE(RL_STATE_DONE);
if (save_input) {
saved_point = rl_point;
saved_line = rl_copy_text(0, rl_end);
rl_save_prompt();
rl_replace_line("", 0);
rl_redisplay();
}
}
void __connmanctl_redraw_rl(void)
{
if (interactive == false)
return;
if (save_input) {
rl_restore_prompt();
rl_replace_line(saved_line, 0);
rl_point = saved_point;
rl_redisplay();
free(saved_line);
}
save_input = 0;
}
static void rl_handler(char *input)
{
char **args;
int num, err;
if (input == NULL) {
rl_newline(1, '\n');
g_main_loop_quit(main_loop);
return;
}
if (*input != '\0')
add_history(input);
args = g_strsplit(input, " ", 0);
num = g_strv_length(args);
err = __connmanctl_commands(connection, args, num);
g_strfreev(args);
if (err > 0)
g_main_loop_quit(main_loop);
}
static gboolean input_handler(GIOChannel *channel, GIOCondition condition,
gpointer user_data)
{
if (condition & (G_IO_HUP | G_IO_ERR | G_IO_NVAL)) {
g_main_loop_quit(main_loop);
return FALSE;
}
rl_callback_read_char();
return TRUE;
}
static char **complete_command(const char *text, int start, int end)
{
char **command = NULL;
rl_attempted_completion_over = 1;
if (start == 0)
command = rl_completion_matches(text,
__connmanctl_lookup_command);
return command;
}
int __connmanctl_input_init(int argc, char *argv[])
{
char *help[] = {
"help",
NULL
};
guint source = 0;
int err;
DBusError dbus_err;
dbus_error_init(&dbus_err);
connection = g_dbus_setup_bus(DBUS_BUS_SYSTEM, NULL, &dbus_err);
if (dbus_error_is_set(&dbus_err)) {
fprintf(stderr, "Error: %s\n", dbus_err.message);
dbus_error_free(&dbus_err);
return 1;
}
if (argc < 2) {
GIOChannel *channel;
interactive = true;
channel = g_io_channel_unix_new(fileno(stdin));
source = g_io_add_watch(channel,
G_IO_IN|G_IO_ERR|G_IO_HUP|G_IO_NVAL,
input_handler, NULL);
g_io_channel_unref(channel);
rl_callback_handler_install("connmanctl> ", rl_handler);
rl_attempted_completion_function = complete_command;
err = -EINPROGRESS;
} else {
interactive = false;
if (strcmp(argv[1], "--help") == 0 ||
strcmp(argv[1], "-h") == 0)
err = __connmanctl_commands(connection, help, 1);
else
err = __connmanctl_commands(connection, argv + 1,
argc -1);
}
if (err == -EINPROGRESS) {
main_loop = g_main_loop_new(NULL, FALSE);
g_main_loop_run(main_loop);
if (source > 0)
g_source_remove(source);
err = 0;
}
if (interactive == true) {
rl_callback_handler_remove();
rl_message("");
}
dbus_connection_unref(connection);
if (main_loop != NULL)
g_main_loop_unref(main_loop);
if (err < 0)
err = -err;
else
err = 0;
return err;
}
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