vdr-plugin-streamdev/server/streamdev-server.c

276 lines
6.6 KiB
C

/*
* streamdev.c: A plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
* $Id: streamdev-server.c,v 1.2 2010/07/19 13:49:32 schmirl Exp $
*/
#include <getopt.h>
#include <vdr/tools.h>
#include "streamdev-server.h"
#include "server/menu.h"
#include "server/setup.h"
#include "server/server.h"
#include "server/suspend.h"
#if !defined(APIVERSNUM) || APIVERSNUM < 10725
#error "VDR-1.7.25 or greater required to compile server! Use 'make client' to compile client only."
#endif
cList<cMainThreadHookSubscriber> cMainThreadHookSubscriber::m_Subscribers;
cMutex cMainThreadHookSubscriber::m_Mutex;
#if APIVERSNUM >= 20300
cList<cMainThreadHookSubscriber>& cMainThreadHookSubscriber::Subscribers(cMutexLock& Lock)
#else
const cList<cMainThreadHookSubscriber>& cMainThreadHookSubscriber::Subscribers(cMutexLock& Lock)
#endif
{
Lock.Lock(&m_Mutex);
return m_Subscribers;
}
cMainThreadHookSubscriber::cMainThreadHookSubscriber()
{
m_Mutex.Lock();
m_Subscribers.Add(this);
m_Mutex.Unlock();
}
cMainThreadHookSubscriber::~cMainThreadHookSubscriber()
{
m_Mutex.Lock();
m_Subscribers.Del(this, false);
m_Mutex.Unlock();
}
const char *cPluginStreamdevServer::DESCRIPTION = trNOOP("VDR Streaming Server");
cPluginStreamdevServer::cPluginStreamdevServer(void)
{
m_Suspend = false;
}
cPluginStreamdevServer::~cPluginStreamdevServer()
{
free(opt_auth);
free(opt_remux);
}
const char *cPluginStreamdevServer::Description(void)
{
return tr(DESCRIPTION);
}
const char *cPluginStreamdevServer::CommandLineHelp(void)
{
// return a string that describes all known command line options.
return
" -a <LOGIN:PASSWORD>, --auth=<LOGIN:PASSWORD> Credentials for HTTP authentication.\n"
" -r <CMD>, --remux=<CMD> Define an external command for remuxing.\n"
;
}
bool cPluginStreamdevServer::ProcessArgs(int argc, char *argv[])
{
// implement command line argument processing here if applicable.
static const struct option long_options[] = {
{ "auth", required_argument, NULL, 'a' },
{ "remux", required_argument, NULL, 'r' },
{ NULL, 0, NULL, 0 }
};
int c;
while((c = getopt_long(argc, argv, "a:r:", long_options, NULL)) != -1) {
switch (c) {
case 'a':
{
if (opt_auth)
free(opt_auth);
int l = strlen(optarg);
cBase64Encoder Base64((uchar*) optarg, l, l * 4 / 3 + 3);
const char *s = Base64.NextLine();
if (s)
opt_auth = strdup(s);
}
break;
case 'r':
if (opt_remux)
free(opt_remux);
opt_remux = strdup(optarg);
break;
default:
return false;
}
}
return true;
}
bool cPluginStreamdevServer::Start(void)
{
I18nRegister(PLUGIN_NAME_I18N);
if (!StreamdevHosts.Load(STREAMDEVHOSTSPATH, true, true)) {
esyslog("streamdev-server: error while loading %s", STREAMDEVHOSTSPATH);
fprintf(stderr, "streamdev-server: error while loading %s\n", STREAMDEVHOSTSPATH);
if (access(STREAMDEVHOSTSPATH, F_OK) != 0) {
fprintf(stderr, " Please install streamdevhosts.conf into the path "
"printed above. Without it\n"
" no client will be able to access your streaming-"
"server. An example can be\n"
" found together with this plugin's sources.\n");
}
return false;
}
if (!opt_remux)
opt_remux = strdup(DEFAULT_EXTERNREMUX);
cStreamdevServer::Initialize();
m_Suspend = StreamdevServerSetup.StartSuspended == ssAuto ?
!cDevice::PrimaryDevice()->HasDecoder() :
StreamdevServerSetup.StartSuspended;
return true;
}
void cPluginStreamdevServer::Stop(void)
{
cStreamdevServer::Destruct();
}
cString cPluginStreamdevServer::Active(void)
{
if (cStreamdevServer::Active())
{
static const char *Message = NULL;
if (!Message) Message = tr("Streaming active");
return Message;
}
return NULL;
}
const char *cPluginStreamdevServer::MainMenuEntry(void)
{
return !StreamdevServerSetup.HideMenuEntry ? tr("Streamdev Connections") : NULL;
}
cOsdObject *cPluginStreamdevServer::MainMenuAction(void)
{
return new cStreamdevServerMenu();
}
void cPluginStreamdevServer::MainThreadHook(void)
{
if (m_Suspend) {
cControl::Launch(new cSuspendCtl);
m_Suspend = false;
}
cMutexLock lock;
#if APIVERSNUM >= 20300
cList<cMainThreadHookSubscriber>& subs = cMainThreadHookSubscriber::Subscribers(lock);
#else
const cList<cMainThreadHookSubscriber>& subs = cMainThreadHookSubscriber::Subscribers(lock);
#endif
for (cMainThreadHookSubscriber *s = subs.First(); s; s = subs.Next(s))
s->MainThreadHook();
}
cMenuSetupPage *cPluginStreamdevServer::SetupMenu(void)
{
return new cStreamdevServerMenuSetupPage;
}
bool cPluginStreamdevServer::SetupParse(const char *Name, const char *Value)
{
return StreamdevServerSetup.SetupParse(Name, Value);
}
const char **cPluginStreamdevServer::SVDRPHelpPages(void)
{
static const char *HelpPages[]=
{
"LSTC\n"
" List connected clients\n",
"DISC client_id\n"
" Disconnect a client\n",
NULL
};
return HelpPages;
}
cString cPluginStreamdevServer::SVDRPCommand(const char *Command, const char *Option, int &ReplyCode)
{
cString reply = NULL;
if (!strcasecmp(Command, "LSTC"))
{
reply = "";
cThreadLock lock;
#if APIVERSNUM >= 20300
cList<cServerConnection>& clients = cStreamdevServer::Clients(lock);
#else
const cList<cServerConnection>& clients = cStreamdevServer::Clients(lock);
#endif
cServerConnection *s = clients.First();
if (!s)
{
reply = "no client connected";
ReplyCode = 550;
} else
{
for (; s; s = clients.Next(s))
{
reply = cString::sprintf("%s%p: %s\n", (const char*) reply, s, (const char *) s->ToText());
}
ReplyCode = 250;
}
} else if (!strcasecmp(Command, "DISC"))
{
void *client = NULL;
if (sscanf(Option, "%p", &client) != 1 || !client)
{
reply = "invalid client handle";
ReplyCode = 501;
} else
{
cThreadLock lock;
#if APIVERSNUM >= 20300
cList<cServerConnection>& clients = cStreamdevServer::Clients(lock);
#else
const cList<cServerConnection>& clients = cStreamdevServer::Clients(lock);
#endif
cServerConnection *s = clients.First();
for (; s && s != client; s = clients.Next(s));
if (!s)
{
reply = "client not found";
ReplyCode = 501;
} else
{
s->Close();
reply = "client disconnected";
ReplyCode = 250;
}
}
}
return reply;
}
bool cPluginStreamdevServer::Service(const char *Id, void *Data)
{
if (strcmp(Id, "StreamdevServer::ClientCount-v1.0") == 0) {
if (Data) {
int *count = (int *) Data;
cThreadLock lock;
*count = cStreamdevServer::Clients(lock).Count();
}
return true;
}
return false;
}
VDRPLUGINCREATOR(cPluginStreamdevServer); // Don't touch this!