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[Cluster-devel] conga/ricci/modules/cluster/clumon/src/daemon ...



CVSROOT:	/cvs/cluster
Module name:	conga
Changes by:	kupcevic sourceware org	2006-10-14 18:00:02

Modified files:
	ricci/modules/cluster/clumon/src/daemon: Communicator.cpp 
	                                         Monitor.cpp Peer.cpp 
	                                         main.cpp 

Log message:
	modclusterd: exit as soon as possible, after exit signal is caught:
	- make all sockets non-blocking
	- make long waits interruptible

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/ricci/modules/cluster/clumon/src/daemon/Communicator.cpp.diff?cvsroot=cluster&r1=1.3&r2=1.4
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/ricci/modules/cluster/clumon/src/daemon/Monitor.cpp.diff?cvsroot=cluster&r1=1.8&r2=1.9
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/ricci/modules/cluster/clumon/src/daemon/Peer.cpp.diff?cvsroot=cluster&r1=1.2&r2=1.3
http://sourceware.org/cgi-bin/cvsweb.cgi/conga/ricci/modules/cluster/clumon/src/daemon/main.cpp.diff?cvsroot=cluster&r1=1.3&r2=1.4

--- conga/ricci/modules/cluster/clumon/src/daemon/Communicator.cpp	2006/08/10 22:53:08	1.3
+++ conga/ricci/modules/cluster/clumon/src/daemon/Communicator.cpp	2006/10/14 18:00:02	1.4
@@ -55,6 +55,7 @@
   _serv_sock(_port),
   _delivery_point(delivery_point)
 {
+  _serv_sock.nonblocking(true);
   _connect_time = time_sec();
   _rand_state = time_mil();
   log(String("Communicator created, port ") + _port, LogCommunicator);
@@ -186,7 +187,7 @@
   }
   
   // process events
-  for (unsigned int i=0; i<socks_num; i++) {
+  for (unsigned int i=0; i<socks_num && !shouldStop(); i++) {
     poll_fd& poll_info = poll_data[i];
     
     // server socket
@@ -194,6 +195,7 @@
       if (poll_info.revents & POLLIN) {
 	try {
 	  ClientSocket sock = _serv_sock.accept();
+	  sock.nonblocking(true);
 	  String hostname;
 	  for (vector<String>::iterator iter = names.begin();
 	       iter != names.end();
--- conga/ricci/modules/cluster/clumon/src/daemon/Monitor.cpp	2006/10/13 09:36:16	1.8
+++ conga/ricci/modules/cluster/clumon/src/daemon/Monitor.cpp	2006/10/14 18:00:02	1.9
@@ -132,8 +132,12 @@
     log(msg, LogTime);
     
     // wait some time
-    struct pollfd nothing;
-    poll(&nothing, 0, 5000);
+    for (int i=0; i<10; i++) {
+      if (shouldStop())
+	break;
+      struct pollfd nothing;
+      poll(&nothing, 0, 500);
+    }
   }
   log("Stopping communicator", LogCommunicator);
   _comm.stop();
--- conga/ricci/modules/cluster/clumon/src/daemon/Peer.cpp	2006/08/10 22:53:08	1.2
+++ conga/ricci/modules/cluster/clumon/src/daemon/Peer.cpp	2006/10/14 18:00:02	1.3
@@ -40,14 +40,18 @@
   _hostname(hostname),
   _in(new String()),
   _out(new String())
-{}
+{
+  _sock->nonblocking(true);
+}
 
 Peer::Peer(const String& hostname, unsigned short port) :
   _sock(new ClientSocket(hostname, port)),
   _hostname(hostname),
   _in(new String()),
   _out(new String())
-{}
+{
+  _sock->nonblocking(true);
+}
 
 Peer::~Peer()
 {}
--- conga/ricci/modules/cluster/clumon/src/daemon/main.cpp	2006/10/13 09:36:16	1.3
+++ conga/ricci/modules/cluster/clumon/src/daemon/main.cpp	2006/10/14 18:00:02	1.4
@@ -102,6 +102,7 @@
   log("started");
   try {
     ServerSocket server(MONITORING_CLIENT_SOCKET);
+    server.nonblocking(true);
     Monitor monitor(COMMUNICATION_PORT);
     
     if (!foreground && (geteuid() == 0))
@@ -169,7 +170,7 @@
     }
     
     // process events
-    for (unsigned int i=0; i<socks_num; i++) {
+    for (unsigned int i=0; i<socks_num && !shutdown_pending; i++) {
       poll_fd& poll_info = poll_data[i];
       
       // server socket
@@ -177,6 +178,7 @@
 	if (poll_info.revents & POLLIN) {
 	  try {
 	    ClientSocket sock = server.accept();
+	    sock.nonblocking(true);
 	    clients[sock.get_sock()] = ClientInfo(sock);
 	  } catch ( ... ) {}
 	}
@@ -187,7 +189,9 @@
 	if (poll_info.revents & POLLIN) {
 	  ClientInfo& info = clients[poll_info.fd];
 	  try {
-	    info.str = monitor.request(info.sock.recv());
+	    String msg = info.sock.recv();
+	    if (msg.size())
+	      info.str = monitor.request(msg);
 	  } catch ( ... ) {
 	    clients.erase(poll_info.fd);
 	  }


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