blob: 622d391ff8d43e6169eb532cf57dda3e642af933 [file] [log] [blame]
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2012 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 <stdbool.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <signal.h>
#include <sys/signalfd.h>
#include <readline/readline.h>
#include <readline/history.h>
#include <glib.h>
#include <gdbus.h>
#include <client/display.h>
/* String display constants */
#define COLORED_NEW COLOR_GREEN "NEW" COLOR_OFF
#define COLORED_CHG COLOR_YELLOW "CHG" COLOR_OFF
#define COLORED_DEL COLOR_RED "DEL" COLOR_OFF
#define PROMPT_ON COLOR_BLUE "[bluetooth]" COLOR_OFF "# "
#define PROMPT_OFF "[bluetooth]# "
#define BLUEZ_MEDIA_PLAYER_INTERFACE "org.bluez.MediaPlayer1"
#define BLUEZ_MEDIA_FOLDER_INTERFACE "org.bluez.MediaFolder1"
#define BLUEZ_MEDIA_ITEM_INTERFACE "org.bluez.MediaItem1"
static GMainLoop *main_loop;
static DBusConnection *dbus_conn;
static GDBusProxy *default_player;
static GSList *players = NULL;
static GSList *folders = NULL;
static GSList *items = NULL;
static void connect_handler(DBusConnection *connection, void *user_data)
{
rl_set_prompt(PROMPT_ON);
printf("\r");
rl_on_new_line();
rl_redisplay();
}
static void disconnect_handler(DBusConnection *connection, void *user_data)
{
rl_set_prompt(PROMPT_OFF);
printf("\r");
rl_on_new_line();
rl_redisplay();
}
static void cmd_quit(int argc, char *argv[])
{
g_main_loop_quit(main_loop);
}
static bool check_default_player(void)
{
if (!default_player) {
rl_printf("No default player available\n");
return FALSE;
}
return TRUE;
}
static void play_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to play: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("Play successful\n");
}
static GDBusProxy *find_item(const char *path)
{
GSList *l;
for (l = items; l; l = g_slist_next(l)) {
GDBusProxy *proxy = l->data;
if (strcmp(path, g_dbus_proxy_get_path(proxy)) == 0)
return proxy;
}
return NULL;
}
static void cmd_play_item(int argc, char *argv[])
{
GDBusProxy *proxy;
proxy = find_item(argv[1]);
if (proxy == NULL) {
rl_printf("Item %s not available\n", argv[1]);
return;
}
if (g_dbus_proxy_method_call(proxy, "Play", NULL, play_reply,
NULL, NULL) == FALSE) {
rl_printf("Failed to play\n");
return;
}
rl_printf("Attempting to play %s\n", argv[1]);
}
static void cmd_play(int argc, char *argv[])
{
if (argc > 1)
return cmd_play_item(argc, argv);
if (!check_default_player())
return;
if (g_dbus_proxy_method_call(default_player, "Play", NULL, play_reply,
NULL, NULL) == FALSE) {
rl_printf("Failed to play\n");
return;
}
rl_printf("Attempting to play\n");
}
static void pause_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to pause: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("Pause successful\n");
}
static void cmd_pause(int argc, char *argv[])
{
if (!check_default_player())
return;
if (g_dbus_proxy_method_call(default_player, "Pause", NULL,
pause_reply, NULL, NULL) == FALSE) {
rl_printf("Failed to play\n");
return;
}
rl_printf("Attempting to pause\n");
}
static void stop_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to stop: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("Stop successful\n");
}
static void cmd_stop(int argc, char *argv[])
{
if (!check_default_player())
return;
if (g_dbus_proxy_method_call(default_player, "Stop", NULL, stop_reply,
NULL, NULL) == FALSE) {
rl_printf("Failed to stop\n");
return;
}
rl_printf("Attempting to stop\n");
}
static void next_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to jump to next: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("Next successful\n");
}
static void cmd_next(int argc, char *argv[])
{
if (!check_default_player())
return;
if (g_dbus_proxy_method_call(default_player, "Next", NULL, next_reply,
NULL, NULL) == FALSE) {
rl_printf("Failed to jump to next\n");
return;
}
rl_printf("Attempting to jump to next\n");
}
static void previous_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to jump to previous: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("Previous successful\n");
}
static void cmd_previous(int argc, char *argv[])
{
if (!check_default_player())
return;
if (g_dbus_proxy_method_call(default_player, "Previous", NULL,
previous_reply, NULL, NULL) == FALSE) {
rl_printf("Failed to jump to previous\n");
return;
}
rl_printf("Attempting to jump to previous\n");
}
static void fast_forward_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to fast forward: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("FastForward successful\n");
}
static void cmd_fast_forward(int argc, char *argv[])
{
if (!check_default_player())
return;
if (g_dbus_proxy_method_call(default_player, "FastForward", NULL,
fast_forward_reply, NULL, NULL) == FALSE) {
rl_printf("Failed to jump to previous\n");
return;
}
rl_printf("Fast forward playback\n");
}
static void rewind_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to rewind: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("Rewind successful\n");
}
static void cmd_rewind(int argc, char *argv[])
{
if (!check_default_player())
return;
if (g_dbus_proxy_method_call(default_player, "Rewind", NULL,
rewind_reply, NULL, NULL) == FALSE) {
rl_printf("Failed to rewind\n");
return;
}
rl_printf("Rewind playback\n");
}
static void generic_callback(const DBusError *error, void *user_data)
{
char *str = user_data;
if (dbus_error_is_set(error))
rl_printf("Failed to set %s: %s\n", str, error->name);
else
rl_printf("Changing %s succeeded\n", str);
}
static void cmd_equalizer(int argc, char *argv[])
{
char *value;
DBusMessageIter iter;
if (!check_default_player())
return;
if (argc < 2) {
rl_printf("Missing on/off argument\n");
return;
}
if (!g_dbus_proxy_get_property(default_player, "Equalizer", &iter)) {
rl_printf("Operation not supported\n");
return;
}
value = g_strdup(argv[1]);
if (g_dbus_proxy_set_property_basic(default_player, "Equalizer",
DBUS_TYPE_STRING, &value,
generic_callback, value,
g_free) == FALSE) {
rl_printf("Failed to setting equalizer\n");
g_free(value);
return;
}
rl_printf("Attempting to set equalizer\n");
}
static void cmd_repeat(int argc, char *argv[])
{
char *value;
DBusMessageIter iter;
if (!check_default_player())
return;
if (argc < 2) {
rl_printf("Missing mode argument\n");
return;
}
if (!g_dbus_proxy_get_property(default_player, "Repeat", &iter)) {
rl_printf("Operation not supported\n");
return;
}
value = g_strdup(argv[1]);
if (g_dbus_proxy_set_property_basic(default_player, "Repeat",
DBUS_TYPE_STRING, &value,
generic_callback, value,
g_free) == FALSE) {
rl_printf("Failed to set repeat\n");
g_free(value);
return;
}
rl_printf("Attempting to set repeat\n");
}
static void cmd_shuffle(int argc, char *argv[])
{
char *value;
DBusMessageIter iter;
if (!check_default_player())
return;
if (argc < 2) {
rl_printf("Missing mode argument\n");
return;
}
if (!g_dbus_proxy_get_property(default_player, "Shuffle", &iter)) {
rl_printf("Operation not supported\n");
return;
}
value = g_strdup(argv[1]);
if (g_dbus_proxy_set_property_basic(default_player, "Shuffle",
DBUS_TYPE_STRING, &value,
generic_callback, value,
g_free) == FALSE) {
rl_printf("Failed to set shuffle\n");
g_free(value);
return;
}
rl_printf("Attempting to set shuffle\n");
}
static void cmd_scan(int argc, char *argv[])
{
char *value;
DBusMessageIter iter;
if (!check_default_player())
return;
if (argc < 2) {
rl_printf("Missing mode argument\n");
return;
}
if (!g_dbus_proxy_get_property(default_player, "Shuffle", &iter)) {
rl_printf("Operation not supported\n");
return;
}
value = g_strdup(argv[1]);
if (g_dbus_proxy_set_property_basic(default_player, "Shuffle",
DBUS_TYPE_STRING, &value,
generic_callback, value,
g_free) == FALSE) {
rl_printf("Failed to set scan\n");
g_free(value);
return;
}
rl_printf("Attempting to set scan\n");
}
static char *proxy_description(GDBusProxy *proxy, const char *title,
const char *description)
{
const char *path;
path = g_dbus_proxy_get_path(proxy);
return g_strdup_printf("%s%s%s%s %s ",
description ? "[" : "",
description ? : "",
description ? "] " : "",
title, path);
}
static void print_player(GDBusProxy *proxy, const char *description)
{
char *str;
str = proxy_description(proxy, "Player", description);
rl_printf("%s%s\n", str, default_player == proxy ? "[default]" : "");
g_free(str);
}
static void cmd_list(int argc, char *arg[])
{
GSList *l;
for (l = players; l; l = g_slist_next(l)) {
GDBusProxy *proxy = l->data;
print_player(proxy, NULL);
}
}
static GDBusProxy *find_player(const char *path)
{
GSList *l;
for (l = players; l; l = g_slist_next(l)) {
GDBusProxy *proxy = l->data;
if (strcmp(path, g_dbus_proxy_get_path(proxy)) == 0)
return proxy;
}
return NULL;
}
static void print_iter(const char *label, const char *name,
DBusMessageIter *iter)
{
dbus_bool_t valbool;
dbus_uint32_t valu32;
dbus_uint16_t valu16;
dbus_int16_t vals16;
const char *valstr;
DBusMessageIter subiter;
if (iter == NULL) {
rl_printf("%s%s is nil\n", label, name);
return;
}
switch (dbus_message_iter_get_arg_type(iter)) {
case DBUS_TYPE_INVALID:
rl_printf("%s%s is invalid\n", label, name);
break;
case DBUS_TYPE_STRING:
case DBUS_TYPE_OBJECT_PATH:
dbus_message_iter_get_basic(iter, &valstr);
rl_printf("%s%s: %s\n", label, name, valstr);
break;
case DBUS_TYPE_BOOLEAN:
dbus_message_iter_get_basic(iter, &valbool);
rl_printf("%s%s: %s\n", label, name,
valbool == TRUE ? "yes" : "no");
break;
case DBUS_TYPE_UINT32:
dbus_message_iter_get_basic(iter, &valu32);
rl_printf("%s%s: 0x%06x\n", label, name, valu32);
break;
case DBUS_TYPE_UINT16:
dbus_message_iter_get_basic(iter, &valu16);
rl_printf("%s%s: 0x%04x\n", label, name, valu16);
break;
case DBUS_TYPE_INT16:
dbus_message_iter_get_basic(iter, &vals16);
rl_printf("%s%s: %d\n", label, name, vals16);
break;
case DBUS_TYPE_VARIANT:
dbus_message_iter_recurse(iter, &subiter);
print_iter(label, name, &subiter);
break;
case DBUS_TYPE_ARRAY:
dbus_message_iter_recurse(iter, &subiter);
while (dbus_message_iter_get_arg_type(&subiter) !=
DBUS_TYPE_INVALID) {
print_iter(label, name, &subiter);
dbus_message_iter_next(&subiter);
}
break;
case DBUS_TYPE_DICT_ENTRY:
dbus_message_iter_recurse(iter, &subiter);
dbus_message_iter_get_basic(&subiter, &valstr);
dbus_message_iter_next(&subiter);
print_iter(label, valstr, &subiter);
break;
default:
rl_printf("%s%s has unsupported type\n", label, name);
break;
}
}
static void print_property(GDBusProxy *proxy, const char *name)
{
DBusMessageIter iter;
if (g_dbus_proxy_get_property(proxy, name, &iter) == FALSE)
return;
print_iter("\t", name, &iter);
}
static GDBusProxy *find_folder(const char *path)
{
GSList *l;
for (l = folders; l; l = g_slist_next(l)) {
GDBusProxy *proxy = l->data;
if (strcmp(path, g_dbus_proxy_get_path(proxy)) == 0)
return proxy;
}
return NULL;
}
static void cmd_show_item(int argc, char *argv[])
{
GDBusProxy *proxy;
if (argc < 2) {
rl_printf("Missing item address argument\n");
return;
}
proxy = find_item(argv[1]);
if (!proxy) {
rl_printf("Item %s not available\n", argv[1]);
return;
}
rl_printf("Item %s\n", g_dbus_proxy_get_path(proxy));
print_property(proxy, "Player");
print_property(proxy, "Name");
print_property(proxy, "Type");
print_property(proxy, "FolderType");
print_property(proxy, "Playable");
print_property(proxy, "Metadata");
}
static void cmd_show(int argc, char *argv[])
{
GDBusProxy *proxy;
GDBusProxy *folder;
GDBusProxy *item;
DBusMessageIter iter;
const char *path;
if (argc < 2) {
if (check_default_player() == FALSE)
return;
proxy = default_player;
} else {
proxy = find_player(argv[1]);
if (!proxy) {
rl_printf("Player %s not available\n", argv[1]);
return;
}
}
rl_printf("Player %s\n", g_dbus_proxy_get_path(proxy));
print_property(proxy, "Name");
print_property(proxy, "Repeat");
print_property(proxy, "Equalizer");
print_property(proxy, "Shuffle");
print_property(proxy, "Scan");
print_property(proxy, "Status");
print_property(proxy, "Position");
print_property(proxy, "Track");
folder = find_folder(g_dbus_proxy_get_path(proxy));
if (folder == NULL)
return;
rl_printf("Folder %s\n", g_dbus_proxy_get_path(proxy));
print_property(folder, "Name");
print_property(folder, "NumberOfItems");
if (!g_dbus_proxy_get_property(proxy, "Playlist", &iter))
return;
dbus_message_iter_get_basic(&iter, &path);
item = find_item(path);
if (item == NULL)
return;
rl_printf("Playlist %s\n", path);
print_property(item, "Name");
}
static void cmd_select(int argc, char *argv[])
{
GDBusProxy *proxy;
if (argc < 2) {
rl_printf("Missing player address argument\n");
return;
}
proxy = find_player(argv[1]);
if (proxy == NULL) {
rl_printf("Player %s not available\n", argv[1]);
return;
}
if (default_player == proxy)
return;
default_player = proxy,
print_player(proxy, NULL);
}
static void change_folder_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to change folder: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("ChangeFolder successful\n");
}
static void change_folder_setup(DBusMessageIter *iter, void *user_data)
{
const char *path = user_data;
dbus_message_iter_append_basic(iter, DBUS_TYPE_OBJECT_PATH, &path);
}
static void cmd_change_folder(int argc, char *argv[])
{
GDBusProxy *proxy;
if (argc < 2) {
rl_printf("Missing item argument\n");
return;
}
if (check_default_player() == FALSE)
return;
proxy = find_folder(g_dbus_proxy_get_path(default_player));
if (proxy == NULL) {
rl_printf("Operation not supported\n");
return;
}
if (g_dbus_proxy_method_call(proxy, "ChangeFolder", change_folder_setup,
change_folder_reply, argv[1], NULL) == FALSE) {
rl_printf("Failed to change current folder\n");
return;
}
rl_printf("Attempting to change folder\n");
}
static void append_variant(DBusMessageIter *iter, int type, void *val)
{
DBusMessageIter value;
char sig[2] = { type, '\0' };
dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT, sig, &value);
dbus_message_iter_append_basic(&value, type, val);
dbus_message_iter_close_container(iter, &value);
}
static void dict_append_entry(DBusMessageIter *dict,
const char *key, int type, void *val)
{
DBusMessageIter entry;
if (type == DBUS_TYPE_STRING) {
const char *str = *((const char **) val);
if (str == NULL)
return;
}
dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
NULL, &entry);
dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
append_variant(&entry, type, val);
dbus_message_iter_close_container(dict, &entry);
}
struct list_items_args {
int start;
int end;
};
static void list_items_setup(DBusMessageIter *iter, void *user_data)
{
struct list_items_args *args = user_data;
DBusMessageIter dict;
dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING
DBUS_TYPE_VARIANT_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
&dict);
if (args->start < 0)
goto done;
dict_append_entry(&dict, "Start", DBUS_TYPE_UINT32, &args->start);
if (args->end < 0)
goto done;
dict_append_entry(&dict, "End", DBUS_TYPE_UINT32, &args->end);
done:
dbus_message_iter_close_container(iter, &dict);
}
static void list_items_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to list items: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("ListItems successful\n");
}
static void cmd_list_items(int argc, char *argv[])
{
GDBusProxy *proxy;
struct list_items_args *args;
if (check_default_player() == FALSE)
return;
proxy = find_folder(g_dbus_proxy_get_path(default_player));
if (proxy == NULL) {
rl_printf("Operation not supported\n");
return;
}
args = g_new0(struct list_items_args, 1);
args->start = -1;
args->end = -1;
if (argc < 2)
goto done;
errno = 0;
args->start = strtol(argv[1], NULL, 10);
if (errno != 0) {
rl_printf("%s(%d)\n", strerror(errno), errno);
g_free(args);
return;
}
if (argc < 3)
goto done;
errno = 0;
args->end = strtol(argv[2], NULL, 10);
if (errno != 0) {
rl_printf("%s(%d)\n", strerror(errno), errno);
g_free(args);
return;
}
done:
if (g_dbus_proxy_method_call(proxy, "ListItems", list_items_setup,
list_items_reply, args, g_free) == FALSE) {
rl_printf("Failed to change current folder\n");
g_free(args);
return;
}
rl_printf("Attempting to list items\n");
}
static void search_setup(DBusMessageIter *iter, void *user_data)
{
char *string = user_data;
DBusMessageIter dict;
dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &string);
dbus_message_iter_open_container(iter, DBUS_TYPE_ARRAY,
DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
DBUS_TYPE_STRING_AS_STRING
DBUS_TYPE_VARIANT_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
&dict);
dbus_message_iter_close_container(iter, &dict);
}
static void search_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to search: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("Search successful\n");
}
static void cmd_search(int argc, char *argv[])
{
GDBusProxy *proxy;
char *string;
if (argc < 2) {
rl_printf("Missing string argument\n");
return;
}
if (check_default_player() == FALSE)
return;
proxy = find_folder(g_dbus_proxy_get_path(default_player));
if (proxy == NULL) {
rl_printf("Operation not supported\n");
return;
}
string = g_strdup(argv[1]);
if (g_dbus_proxy_method_call(proxy, "Search", search_setup,
search_reply, string, g_free) == FALSE) {
rl_printf("Failed to search\n");
g_free(string);
return;
}
rl_printf("Attempting to search\n");
}
static void add_to_nowplaying_reply(DBusMessage *message, void *user_data)
{
DBusError error;
dbus_error_init(&error);
if (dbus_set_error_from_message(&error, message) == TRUE) {
rl_printf("Failed to queue: %s\n", error.name);
dbus_error_free(&error);
return;
}
rl_printf("AddToNowPlaying successful\n");
}
static void cmd_queue(int argc, char *argv[])
{
GDBusProxy *proxy;
if (argc < 2) {
rl_printf("Missing item address argument\n");
return;
}
proxy = find_item(argv[1]);
if (proxy == NULL) {
rl_printf("Item %s not available\n", argv[1]);
return;
}
if (g_dbus_proxy_method_call(proxy, "AddtoNowPlaying", NULL,
add_to_nowplaying_reply, NULL,
NULL) == FALSE) {
rl_printf("Failed to play\n");
return;
}
rl_printf("Attempting to queue %s\n", argv[1]);
}
static const struct {
const char *cmd;
const char *arg;
void (*func) (int argc, char *argv[]);
const char *desc;
} cmd_table[] = {
{ "list", NULL, cmd_list, "List available players" },
{ "show", "[player]", cmd_show, "Player information" },
{ "select", "<player>", cmd_select, "Select default player" },
{ "play", "[item]", cmd_play, "Start playback" },
{ "pause", NULL, cmd_pause, "Pause playback" },
{ "stop", NULL, cmd_stop, "Stop playback" },
{ "next", NULL, cmd_next, "Jump to next item" },
{ "previous", NULL, cmd_previous, "Jump to previous item" },
{ "fast-forward", NULL, cmd_fast_forward,
"Fast forward playback" },
{ "rewind", NULL, cmd_rewind, "Rewind playback" },
{ "equalizer", "<on/off>", cmd_equalizer,
"Enable/Disable equalizer"},
{ "repeat", "<singletrack/alltrack/group/off>", cmd_repeat,
"Set repeat mode"},
{ "shuffle", "<alltracks/group/off>", cmd_shuffle,
"Set shuffle mode"},
{ "scan", "<alltracks/group/off>", cmd_scan,
"Set scan mode"},
{ "change-folder", "<item>", cmd_change_folder,
"Change current folder" },
{ "list-items", "[start] [end]", cmd_list_items,
"List items of current folder" },
{ "search", "string", cmd_search,
"Search items containing string" },
{ "queue", "<item>", cmd_queue, "Add item to playlist queue" },
{ "show-item", "<item>", cmd_show_item, "Show item information" },
{ "quit", NULL, cmd_quit, "Quit program" },
{ "exit", NULL, cmd_quit },
{ "help" },
{}
};
static char *cmd_generator(const char *text, int state)
{
static int index, len;
const char *cmd;
if (!state) {
index = 0;
len = strlen(text);
}
while ((cmd = cmd_table[index].cmd)) {
index++;
if (!strncmp(cmd, text, len))
return strdup(cmd);
}
return NULL;
}
static char **cmd_completion(const char *text, int start, int end)
{
char **matches = NULL;
if (start == 0) {
rl_completion_display_matches_hook = NULL;
matches = rl_completion_matches(text, cmd_generator);
}
if (!matches)
rl_attempted_completion_over = 1;
return matches;
}
static void rl_handler(char *input)
{
int argc;
char **argv = NULL;
int i;
if (!input) {
rl_insert_text("quit");
rl_redisplay();
rl_crlf();
g_main_loop_quit(main_loop);
return;
}
if (!strlen(input))
goto done;
add_history(input);
argv = g_strsplit(input, " ", -1);
if (argv == NULL)
goto done;
for (argc = 0; argv[argc];)
argc++;
if (argc == 0)
goto done;
for (i = 0; cmd_table[i].cmd; i++) {
if (strcmp(argv[0], cmd_table[i].cmd))
continue;
if (cmd_table[i].func) {
cmd_table[i].func(argc, argv);
goto done;
}
}
if (strcmp(argv[0], "help")) {
printf("Invalid command\n");
goto done;
}
printf("Available commands:\n");
for (i = 0; cmd_table[i].cmd; i++) {
if (cmd_table[i].desc)
printf("\t%s %s\t%s\n", cmd_table[i].cmd,
cmd_table[i].arg ? : " ",
cmd_table[i].desc);
}
done:
g_strfreev(argv);
free(input);
}
static gboolean option_version = FALSE;
static GOptionEntry options[] = {
{ "version", 'v', 0, G_OPTION_ARG_NONE, &option_version,
"Show version information and exit" },
{ NULL },
};
static gboolean signal_handler(GIOChannel *channel, GIOCondition condition,
gpointer user_data)
{
static unsigned int __terminated = 0;
struct signalfd_siginfo si;
ssize_t result;
int fd;
if (condition & (G_IO_NVAL | G_IO_ERR | G_IO_HUP)) {
g_main_loop_quit(main_loop);
return FALSE;
}
fd = g_io_channel_unix_get_fd(channel);
result = read(fd, &si, sizeof(si));
if (result != sizeof(si))
return FALSE;
switch (si.ssi_signo) {
case SIGINT:
rl_replace_line("", 0);
rl_crlf();
rl_on_new_line();
rl_redisplay();
break;
case SIGTERM:
if (__terminated == 0) {
rl_replace_line("", 0);
rl_crlf();
g_main_loop_quit(main_loop);
}
__terminated = 1;
break;
}
return TRUE;
}
static guint setup_signalfd(void)
{
GIOChannel *channel;
guint source;
sigset_t mask;
int fd;
sigemptyset(&mask);
sigaddset(&mask, SIGINT);
sigaddset(&mask, SIGTERM);
if (sigprocmask(SIG_BLOCK, &mask, NULL) < 0) {
perror("Failed to set signal mask");
return 0;
}
fd = signalfd(-1, &mask, 0);
if (fd < 0) {
perror("Failed to create signal descriptor");
return 0;
}
channel = g_io_channel_unix_new(fd);
g_io_channel_set_close_on_unref(channel, TRUE);
g_io_channel_set_encoding(channel, NULL, NULL);
g_io_channel_set_buffered(channel, FALSE);
source = g_io_add_watch(channel,
G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
signal_handler, NULL);
g_io_channel_unref(channel);
return source;
}
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 guint setup_standard_input(void)
{
GIOChannel *channel;
guint source;
channel = g_io_channel_unix_new(fileno(stdin));
source = g_io_add_watch(channel,
G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
input_handler, NULL);
g_io_channel_unref(channel);
return source;
}
static void player_added(GDBusProxy *proxy)
{
players = g_slist_append(players, proxy);
if (default_player == NULL)
default_player = proxy;
print_player(proxy, COLORED_NEW);
}
static void print_folder(GDBusProxy *proxy, const char *description)
{
const char *path;
path = g_dbus_proxy_get_path(proxy);
rl_printf("%s%s%sFolder %s\n", description ? "[" : "",
description ? : "",
description ? "] " : "",
path);
}
static void folder_added(GDBusProxy *proxy)
{
folders = g_slist_append(folders, proxy);
print_folder(proxy, COLORED_NEW);
}
static void print_item(GDBusProxy *proxy, const char *description)
{
const char *path, *name;
DBusMessageIter iter;
path = g_dbus_proxy_get_path(proxy);
if (g_dbus_proxy_get_property(proxy, "Name", &iter))
dbus_message_iter_get_basic(&iter, &name);
else
name = "<unknown>";
rl_printf("%s%s%sItem %s %s\n", description ? "[" : "",
description ? : "",
description ? "] " : "",
path, name);
}
static void item_added(GDBusProxy *proxy)
{
items = g_slist_append(items, proxy);
print_item(proxy, COLORED_NEW);
}
static void proxy_added(GDBusProxy *proxy, void *user_data)
{
const char *interface;
interface = g_dbus_proxy_get_interface(proxy);
if (!strcmp(interface, BLUEZ_MEDIA_PLAYER_INTERFACE))
player_added(proxy);
else if (!strcmp(interface, BLUEZ_MEDIA_FOLDER_INTERFACE))
folder_added(proxy);
else if (!strcmp(interface, BLUEZ_MEDIA_ITEM_INTERFACE))
item_added(proxy);
}
static void player_removed(GDBusProxy *proxy)
{
print_player(proxy, COLORED_DEL);
if (default_player == proxy)
default_player = NULL;
players = g_slist_remove(players, proxy);
}
static void folder_removed(GDBusProxy *proxy)
{
folders = g_slist_remove(folders, proxy);
print_folder(proxy, COLORED_DEL);
}
static void item_removed(GDBusProxy *proxy)
{
items = g_slist_remove(items, proxy);
print_item(proxy, COLORED_DEL);
}
static void proxy_removed(GDBusProxy *proxy, void *user_data)
{
const char *interface;
interface = g_dbus_proxy_get_interface(proxy);
if (!strcmp(interface, BLUEZ_MEDIA_PLAYER_INTERFACE))
player_removed(proxy);
if (!strcmp(interface, BLUEZ_MEDIA_FOLDER_INTERFACE))
folder_removed(proxy);
if (!strcmp(interface, BLUEZ_MEDIA_ITEM_INTERFACE))
item_removed(proxy);
}
static void player_property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter)
{
char *str;
str = proxy_description(proxy, "Player", COLORED_CHG);
print_iter(str, name, iter);
g_free(str);
}
static void folder_property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter)
{
char *str;
str = proxy_description(proxy, "Folder", COLORED_CHG);
print_iter(str, name, iter);
g_free(str);
}
static void item_property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter)
{
char *str;
str = proxy_description(proxy, "Item", COLORED_CHG);
print_iter(str, name, iter);
g_free(str);
}
static void property_changed(GDBusProxy *proxy, const char *name,
DBusMessageIter *iter, void *user_data)
{
const char *interface;
interface = g_dbus_proxy_get_interface(proxy);
if (!strcmp(interface, BLUEZ_MEDIA_PLAYER_INTERFACE))
player_property_changed(proxy, name, iter);
else if (!strcmp(interface, BLUEZ_MEDIA_FOLDER_INTERFACE))
folder_property_changed(proxy, name, iter);
else if (!strcmp(interface, BLUEZ_MEDIA_ITEM_INTERFACE))
item_property_changed(proxy, name, iter);
}
int main(int argc, char *argv[])
{
GOptionContext *context;
GError *error = NULL;
GDBusClient *client;
guint signal, input;
context = g_option_context_new(NULL);
g_option_context_add_main_entries(context, options, NULL);
if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) {
if (error != NULL) {
g_printerr("%s\n", error->message);
g_error_free(error);
} else
g_printerr("An unknown error occurred\n");
exit(1);
}
g_option_context_free(context);
if (option_version == TRUE) {
printf("%s\n", VERSION);
exit(0);
}
main_loop = g_main_loop_new(NULL, FALSE);
dbus_conn = g_dbus_setup_bus(DBUS_BUS_SYSTEM, NULL, NULL);
rl_attempted_completion_function = cmd_completion;
rl_erase_empty_line = 1;
rl_callback_handler_install(NULL, rl_handler);
rl_set_prompt(PROMPT_OFF);
rl_redisplay();
input = setup_standard_input();
signal = setup_signalfd();
client = g_dbus_client_new(dbus_conn, "org.bluez", "/org/bluez");
g_dbus_client_set_connect_watch(client, connect_handler, NULL);
g_dbus_client_set_disconnect_watch(client, disconnect_handler, NULL);
g_dbus_client_set_proxy_handlers(client, proxy_added, proxy_removed,
property_changed, NULL);
g_main_loop_run(main_loop);
g_dbus_client_unref(client);
g_source_remove(signal);
g_source_remove(input);
rl_message("");
rl_callback_handler_remove();
dbus_connection_unref(dbus_conn);
g_main_loop_unref(main_loop);
return 0;
}