From 49265541974282f3346c9dc7de2365858f9fcb4d Mon Sep 17 00:00:00 2001
From: deva <deva>
Date: Sat, 12 Aug 2006 15:00:40 +0000
Subject: Added timecode and fixed the sending and receiving of frames through
 the network.

---
 lib/network.cc | 138 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 136 insertions(+), 2 deletions(-)

(limited to 'lib/network.cc')

diff --git a/lib/network.cc b/lib/network.cc
index f00d358..cb3f94e 100644
--- a/lib/network.cc
+++ b/lib/network.cc
@@ -3,7 +3,7 @@
  *            network.cc
  *
  *  Wed Nov  3 21:23:14 CET 2004
- *  Copyright  2004 Bent Bisballe
+ *  Copyright  2004 Bent Bisballe Nyeng
  *  deva@aasimon.org
  ****************************************************************************/
 
@@ -24,9 +24,12 @@
  *    along with MIaV; if not, write to the Free Software
  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
  */
-#include <config.h>
 #include "network.h"
 
+//#ifdef USE_DEBUG
+//#include "efencepp.h"
+//#endif /*USE_DEBUG*/
+
 #include "info.h"
 
 #include <stdlib.h>
@@ -34,6 +37,8 @@
 #include <string.h>
 #include <sys/socket.h> 
 
+#include <arpa/inet.h>
+
 Network::Network(Socket *gs)
 {
   s = gs;
@@ -150,3 +155,132 @@ int Network::recvPackage(n_header *h, void* buf, int bufsz)
   return n;
 }
 
+int Network::sendFrame(Frame *frame)
+{
+  frameheader_t header;
+  struct msghdr msg;
+  struct iovec iovecs[2];
+
+  if(!s->isConnected()) {
+    //    MIaV::info->error("Write attempted to a socket not connected!");
+    return -1;
+  }
+
+  header.timecode.hour = htonl(frame->timecode.hour);
+  header.timecode.min = htonl(frame->timecode.min);
+  header.timecode.sec = htonl(frame->timecode.sec);
+  header.timecode.frame = htonl(frame->timecode.frame);
+  header.snapshot = htonl(frame->snapshot);
+  header.freeze = htonl(frame->freeze);
+  header.vformat = (video_format_t)htons((short unsigned int)frame->vformat);
+  header.aformat = (audio_format_t)htons((short unsigned int)frame->aformat);
+  header.vframesize = htonl(frame->vframesize);
+  header.aframesize = htonl(frame->aframesize);
+
+  write(&header, sizeof(header));
+
+  char *vframe = frame->vframe;
+  char *aframe = frame->aframe;
+
+  int vframesize = frame->vframesize;
+  int aframesize = frame->aframesize;
+
+  memset(&msg, 0, sizeof(msg));
+  
+  msg.msg_iov = iovecs;
+  msg.msg_iovlen = 2;
+
+  msg.msg_iov[0].iov_base = vframe;
+  msg.msg_iov[0].iov_len = vframesize;
+
+  msg.msg_iov[1].iov_base = aframe;
+  msg.msg_iov[1].iov_len = aframesize;
+
+  int n = sendmsg(s->ssocket, &msg, 0);
+
+  if(n < 0) {
+    MIaV::info->error("A network error ocurred during sendPackage!");
+    return -1;
+  }
+
+  return n;
+}
+
+
+Frame *Network::recvFrame()
+{
+  Frame *frame = NULL;
+
+  frameheader_t header;
+  struct msghdr msg;
+  struct iovec iovecs[2];
+
+  if(!s->isConnected()) {
+    //    MIaV::info->error("Read attempted to a socket not connected!");
+    return NULL;
+  }
+
+  read(&header, sizeof(header));
+
+  int vframesize = ntohl(header.vframesize);
+  int aframesize = ntohl(header.aframesize);
+
+  char *vframe = new char[vframesize];
+  char *aframe = new char[aframesize];
+
+  memset(&msg, 0, sizeof(msg));
+  
+  iovecs[0].iov_base = vframe;
+  iovecs[0].iov_len = vframesize;
+
+  iovecs[1].iov_base = aframe;
+  iovecs[1].iov_len = aframesize;
+  
+  msg.msg_iov = iovecs;
+  msg.msg_iovlen = 2;
+
+  int n = recvmsg(s->ssocket, &msg, MSG_WAITALL);
+
+  if(n < 0) {
+    MIaV::info->error("A network error ocurred during recvPackage!");
+    return NULL;
+  }
+
+  if(n == 0) {
+    // No more frames to receive.
+    return NULL;
+  }
+
+  if(msg.msg_iovlen != 2) {
+    MIaV::info->error("Wrong package format!");
+    return NULL;
+  }
+
+  frame = new Frame(vframe, vframesize, (video_format_t)ntohs((short unsigned int)header.vformat),
+                    aframe, aframesize, (audio_format_t)ntohs((short unsigned int)header.aformat));
+
+  frame->timecode.hour = ntohl(header.timecode.hour);
+  frame->timecode.min = ntohl(header.timecode.min);
+  frame->timecode.sec = ntohl(header.timecode.sec);
+  frame->timecode.frame = ntohl(header.timecode.frame);
+  frame->snapshot = ntohl(header.snapshot);
+  frame->freeze = ntohl(header.freeze);
+
+  return frame;
+}
+
+int Network::sendStatus(Status *status)
+{
+  return 0;
+}
+
+int Network::recvStatus(Status *status)
+{
+  /*
+  status.diskspace = 10;
+  status.diskspace_max = 100;
+  status.load = 80;
+  status.load_max = 100;
+  */
+  return 0;
+}
-- 
cgit v1.2.3