From 8196872e3b240ef93fc17dd3c05a7d97a8015d88 Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Fri, 25 Aug 2006 21:20:07 +0000
Subject: Rearranged the network and socket code. Added status messages sent
 over the network using udp packets.

---
 lib/tcp_socket.cc | 108 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 lib/tcp_socket.cc

(limited to 'lib/tcp_socket.cc')

diff --git a/lib/tcp_socket.cc b/lib/tcp_socket.cc
new file mode 100644
index 0000000..8468df9
--- /dev/null
+++ b/lib/tcp_socket.cc
@@ -0,0 +1,108 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            tcp_socket.cc
+ *
+ *  Fri Aug 18 00:12:34 CEST 2006
+ *  Copyright  2006 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of MIaV.
+ *
+ *  MIaV 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.
+ *
+ *  MIaV 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 MIaV; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#include "tcp_socket.h"
+
+#include <errno.h>
+
+// for connect, listen, bind and accept
+#include <sys/types.h>
+#include <sys/socket.h>
+
+// For socket
+#include <sys/types.h>
+#include <sys/socket.h>
+
+// For TCP
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+
+// For inet_ntoa
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+TCPSocket::TCPSocket(int port, std::string addr) : Socket(port, addr)
+{
+  sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP); 
+}
+
+static int _listen(int sockfd, int backlog){return listen(sockfd, backlog);}
+int TCPSocket::listen(TCPSocket *s)
+{
+  if(!s) {
+    strerr = "TCPSocket is a NULL pointer.";
+    return 1;
+  }
+
+  if(s->connected) {
+    strerr = "TCPSocket already connected.";
+    return 1;
+  }
+
+  if(!connected) {
+    struct sockaddr_in socketaddr;
+    memset((char *) &socketaddr, sizeof(socketaddr), 0);
+    socketaddr.sin_family = AF_INET;
+    socketaddr.sin_port = htons(prt);
+    socketaddr.sin_addr.s_addr = htonl(INADDR_ANY);
+
+    if(bind(sock, (struct sockaddr*)&socketaddr, sizeof(socketaddr)) == -1) {
+      strerr = "Socket: bind() failed! ";
+      strerr.append(strerror(errno));
+      return 1;
+    }
+
+    if(_listen(sock, 5) == -1) {
+      strerr = "Socket: listen() failed! ";
+      strerr.append(strerror(errno));
+      return 1;
+    }
+
+    connected = true;
+  }
+
+  // accept new connection and get its connection descriptor
+  struct sockaddr_in ssocketaddr;
+  int csalen = sizeof(ssocketaddr);
+
+  s->sock = accept(sock, (struct sockaddr*)&ssocketaddr, (socklen_t*)&csalen);
+
+  if (s->sock < 0) {
+    s->connected = false;
+    strerr = "Socket: accept() failed! ";
+    strerr.append(strerror(errno));
+    return 1;
+  }
+
+  // Fill in the host data.
+  s->setAddress(inet_ntoa(ssocketaddr.sin_addr));
+  s->setPort(ssocketaddr.sin_port);
+
+  s->connected = true;
+  return 0;
+}
-- 
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