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#include <glib.h>
#include <signal.h>
#include <iostream>
#include <sstream>
#include <errno.h>
#include "imms.h"
#include "strmanip.h"
#include "utils.h"
#include "serverstub.h"
#include "socketserver.h"
#define INTERFACE_VERSION "2.0"
using std::cerr;
using std::cout;
using std::endl;
using std::stringstream;
Imms *imms;
gboolean do_events(void *unused)
{
if (imms)
imms->do_events();
return TRUE;
}
class ImmsDFilter : public SocketServer, public IMMSServer
{
public:
ImmsDFilter(const string &sockname) : SocketServer(sockname) {}
void write_command(const string &command)
{
SocketServer::write(command + "\n");
}
void connection_established()
{
if (!imms)
imms = new Imms(this);
}
void connection_lost()
{
delete imms;
imms = 0;
exit(0);
}
void check_playlist_item(int pos, const string &path)
{
string oldpath = imms->get_item_from_playlist(pos);
if (oldpath != "")
{
if (oldpath != path)
{
cerr << "IMMSd: playlist triggered refresh: "
<< oldpath << " != " << path << endl;
write_command("PlaylistChanged");
}
}
else
imms->playlist_insert_item(pos, path);
}
void process_line(const string &line)
{
stringstream sstr;
sstr << line;
string command = "";
sstr >> command;
#if defined(DEBUG) && 1
if (command != "Playlist")
std::cout << "> " << line << endl;
#endif
if (command == "Setup")
{
bool use_xidle;
sstr >> use_xidle;
imms->setup(use_xidle);
return;
}
if (command == "StartSong")
{
int pos;
sstr >> pos;
string path;
getline(sstr, path);
path = path_normalize(path);
check_playlist_item(pos, path);
imms->start_song(pos, path);
return;
}
if (command == "EndSong")
{
bool end, jumped, bad;
sstr >> end >> jumped >> bad;
imms->end_song(end, jumped, bad);
return;
}
if (command == "PlaylistItem")
{
int pos;
sstr >> pos;
string path;
getline(sstr, path);
path = path_normalize(path);
check_playlist_item(pos, path);
return;
}
if (command == "Playlist")
{
int pos;
sstr >> pos;
string path;
getline(sstr, path);
path = path_normalize(path);
imms->playlist_insert_item(pos, path);
return;
}
if (command == "PlaylistEnd")
{
imms->playlist_ready();
return;
}
if (command == "PlaylistChanged")
{
int length;
sstr >> length;
#ifdef DEBUG
cerr << "got playlist length = " << length << endl;
#endif
imms->playlist_changed(length);
write_command("GetEntirePlaylist");
return;
}
if (command == "SelectNext")
{
int pos = imms->select_next();
if (pos == -1)
{
write_command("TryAgain");
return;
}
write_command("EnqueueNext " + itos(pos));
return;
}
if (command == "Version")
{
write_command("Version " INTERFACE_VERSION);
return;
}
cerr << "IMMSd: Unknown command: " << command << endl;
}
};
GMainLoop *loop = 0;
void quit(int signum)
{
if (loop)
g_main_quit(loop);
loop = 0;
signal(signum, SIG_DFL);
}
int main(int argc, char **argv)
{
int r = mkdir(get_imms_root().c_str(), 0700);
if (r < 0 && errno != EEXIST)
{
cerr << "IMMSd: could not create directory "
<< get_imms_root() << ": " << strerror(errno) << endl;
exit(r);
}
StackLockFile lock(get_imms_root(".immsd_lock"));
if (!lock.isok())
{
cerr << "IMMSd: another instance already active - exiting." << endl;
exit(1);
}
loop = g_main_loop_new(NULL, FALSE);
signal(SIGINT, quit);
signal(SIGTERM, quit);
signal(SIGPIPE, SIG_IGN);
GSource* ts = g_timeout_source_new(500);
g_source_attach(ts, NULL);
g_source_set_callback(ts, (GSourceFunc)do_events, NULL, NULL);
ImmsDFilter filter(get_imms_root("socket"));
cout << "IMMSd version " << PACKAGE_VERSION << " ready..." << endl;
g_main_loop_run(loop);
return 0;
}
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