From 5e30711bfdb28085234a5ef6da4f4e44305ac3e4 Mon Sep 17 00:00:00 2001
From: Frank Schmirler <schmirl@puter.linogate.de>
Date: Thu, 2 Dec 2010 08:53:01 +0100
Subject: Snapshot 2007-03-20

---
 server/server.c | 158 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 server/server.c

(limited to 'server/server.c')

diff --git a/server/server.c b/server/server.c
new file mode 100644
index 0000000..b00f70d
--- /dev/null
+++ b/server/server.c
@@ -0,0 +1,158 @@
+/*
+ *  $Id: server.c,v 1.4 2006/11/10 11:52:41 schmirl Exp $
+ */
+
+#include "server/server.h"
+#include "server/componentVTP.h"
+#include "server/componentHTTP.h"
+#include "server/setup.h"
+
+#include <vdr/tools.h>
+#include <tools/select.h>
+#include <string.h>
+#include <errno.h>
+
+cSVDRPhosts StreamdevHosts;
+
+cStreamdevServer         *cStreamdevServer::m_Instance = NULL;
+cList<cServerComponent>   cStreamdevServer::m_Servers;
+cList<cServerConnection>  cStreamdevServer::m_Clients;
+
+cStreamdevServer::cStreamdevServer(void):
+		cThread("streamdev server"),
+		m_Active(false)
+{
+	Start();
+}
+
+cStreamdevServer::~cStreamdevServer() 
+{
+	Stop();
+}
+
+void cStreamdevServer::Initialize(void) 
+{
+	if (m_Instance == NULL) {
+		if (StreamdevServerSetup.StartVTPServer)  Register(new cComponentVTP);
+		if (StreamdevServerSetup.StartHTTPServer) Register(new cComponentHTTP);
+
+		m_Instance = new cStreamdevServer;
+	}
+}
+
+void cStreamdevServer::Destruct(void) 
+{
+	DELETENULL(m_Instance);
+}
+
+void cStreamdevServer::Stop(void) 
+{
+	if (m_Active) {
+		m_Active = false;
+		Cancel(3);
+	}
+}
+
+void cStreamdevServer::Register(cServerComponent *Server) 
+{
+	m_Servers.Add(Server);
+}
+
+void cStreamdevServer::Action(void) 
+{
+	m_Active = true;
+
+	/* Initialize Server components, deleting those that failed */
+	for (cServerComponent *c = m_Servers.First(); c;) {
+		cServerComponent *next = m_Servers.Next(c);
+		if (!c->Initialize())
+			m_Servers.Del(c);
+		c = next;
+	}
+			
+	if (m_Servers.Count() == 0) {
+		esyslog("ERROR: no streamdev server activated, exiting");
+		m_Active = false;
+	}
+
+	cTBSelect select;
+	while (m_Active) {
+		select.Clear();
+
+		/* Ask all Server components to register to the selector */
+		for (cServerComponent *c = m_Servers.First(); c; c = m_Servers.Next(c))
+			select.Add(c->Socket(), false);
+		
+		/* Ask all Client connections to register to the selector */
+		for (cServerConnection *s = m_Clients.First(); s; s = m_Clients.Next(s))
+		{
+			select.Add(s->Socket(), false);
+			if (s->HasData())
+				select.Add(s->Socket(), true);
+		}
+
+		int result;
+		while ((result = select.Select(100)) < 0 && errno == ETIMEDOUT) {
+			if (!m_Active) break;
+		}
+
+		if (result < 0) {
+			if (m_Active) // no exit was requested while polling
+				esyslog("fatal error, server exiting: %m");
+			break;
+		}
+	
+		/* Ask all Server components to act on signalled sockets */
+		for (cServerComponent *c = m_Servers.First(); c; c = m_Servers.Next(c)){
+			if (select.CanRead(c->Socket())) {
+				cServerConnection *client = c->Accept();
+				m_Clients.Add(client);
+
+				if (m_Clients.Count() > StreamdevServerSetup.MaxClients) {
+					esyslog("streamdev: too many clients, rejecting %s:%d",
+					        client->RemoteIp().c_str(), client->RemotePort());
+					client->Reject();
+				} else if (!StreamdevHosts.Acceptable(client->RemoteIpAddr())) {
+					esyslog("streamdev: client %s:%d not allowed to connect",
+					        client->RemoteIp().c_str(), client->RemotePort());
+					client->Reject();
+				} else 
+					client->Welcome();
+			}
+		}
+
+		/* Ask all Client connections to act on signalled sockets */
+		for (cServerConnection *s = m_Clients.First(); s;) {
+			bool result = true;
+
+			if (select.CanWrite(s->Socket()))
+				result = s->Write();
+
+			if (result && select.CanRead(s->Socket()))
+				result = s->Read();
+			
+			cServerConnection *next = m_Clients.Next(s);
+			if (!result) {
+				isyslog("streamdev: closing streamdev connection to %s:%d", 
+				        s->RemoteIp().c_str(), s->RemotePort());
+				s->Close();
+				m_Clients.Del(s);
+			}
+			s = next;
+		}
+	}
+	
+	while (m_Clients.Count() > 0) {
+		cServerConnection *s = m_Clients.First();
+		s->Close();
+		m_Clients.Del(s);
+	}
+
+	while (m_Servers.Count() > 0) {
+		cServerComponent *c = m_Servers.First();
+		c->Destruct();
+		m_Servers.Del(c);
+	}
+
+	m_Active = false;
+}
-- 
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