From 0e38acdaff7ef753f1d4e140eec9dbaec6f7a047 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <matthias@gamezock.de>
Date: Wed, 25 Jun 2008 23:31:48 +0200
Subject: Nicht-blockierende E/A benutzen

---
 src/Net/Connection.cpp | 44 +++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 39 insertions(+), 5 deletions(-)

(limited to 'src/Net/Connection.cpp')

diff --git a/src/Net/Connection.cpp b/src/Net/Connection.cpp
index eb7a55f..e7be313 100644
--- a/src/Net/Connection.cpp
+++ b/src/Net/Connection.cpp
@@ -18,11 +18,29 @@
  */
 
 #include "Connection.h"
+#include "IPAddress.h"
 #include <cstring>
+#include <sys/socket.h>
 
 namespace Mad {
 namespace Net {
 
+void Connection::handshake() {
+  state = HANDSHAKE;
+  
+  int ret = gnutls_handshake(session);
+  if(ret < 0) {
+    if(ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN)
+      return;
+    
+    // Error... disconnect
+    return;
+  }
+  
+  state = CONNECTION_HEADER;
+  connectionHeader();
+}
+
 void Connection::packetHeaderReceiveHandler(const void *data, unsigned long length) {
   if(length != sizeof(Packet::Data))
     return; // Error... disconnect?
@@ -35,6 +53,7 @@ void Connection::packetHeaderReceiveHandler(const void *data, unsigned long leng
     enterReceiveLoop();
   }
   else {
+    state = PACKET_DATA;
     rawReceive(header.length, sigc::mem_fun(this, &Connection::packetDataReceiveHandler));
   }
 }
@@ -52,13 +71,10 @@ void Connection::doReceive() {
   if(!isConnected())
     return;
   
-  if(!dataPending())
-    return;
-  
   if(receiveComplete())
     return;
   
-  ssize_t ret = gnutls_record_recv(getSession(), transR.data+transR.transmitted, transR.length-transR.transmitted);
+  ssize_t ret = gnutls_record_recv(session, transR.data+transR.transmitted, transR.length-transR.transmitted);
   
   if(ret < 0) {
     if(ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN)
@@ -103,7 +119,7 @@ void Connection::doSend() {
     return;
   
   while(!sendQueueEmpty()) {
-    ssize_t ret = gnutls_record_send(getSession(), transS.front().data+transS.front().transmitted, 
+    ssize_t ret = gnutls_record_send(session, transS.front().data+transS.front().transmitted, 
         transS.front().length-transS.front().transmitted);
     
     if(ret < 0) {
@@ -134,5 +150,23 @@ bool Connection::rawSend(const unsigned char *data, unsigned long length) {
   return true;
 }
 
+void Connection::disconnect() {
+  if(!isConnected())
+    return;
+  
+  gnutls_bye(session, GNUTLS_SHUT_RDWR);
+  
+  shutdown(sock, SHUT_RDWR);
+  close(sock);
+  
+  gnutls_deinit(session);
+  
+  if(peer)
+    delete peer;
+  peer = 0;
+  
+  state = DISCONNECTED;
+}
+
 }
 }
-- 
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