--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javacommons/comms/ipclib/socket/src/serversocketconnection.cpp Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,251 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: ?Description
+*
+*/
+
+#include <sys/socket.h>
+#include <signal.h>
+#include <errno.h>
+#include <string.h>
+
+#include "logger.h"
+
+#include "serversocketconnection.h"
+#include "socketconnection.h"
+
+const unsigned int INVALID_THREAD_ID = 0;
+
+namespace java
+{
+namespace comms
+{
+using java::util::ScopedLock;
+
+ServerSocketConnection::ServerSocketConnection(IpcListener* aListener)
+ : mThreadId(INVALID_THREAD_ID), mListener(aListener), mKeepRunning(0), mPort(0)
+{
+ /*
+ * The SIGPIPE signal will be received if the peer has gone away
+ * and an attempt is made to write data to the peer. Ignoring this
+ * signal causes the write operation to receive an EPIPE error.
+ * Thus, the user is informed about what happened.
+ */
+#ifndef __SYMBIAN32__
+ signal(SIGPIPE, SIG_IGN);
+#endif
+}
+
+ServerSocketConnection::~ServerSocketConnection()
+{
+}
+
+int ServerSocketConnection::start(int aPort)
+{
+ if (mThreadId != INVALID_THREAD_ID) return 0;
+ mPort = aPort;
+ int rc = mListenSocket.open(aPort);
+
+ if (!rc)
+ {
+ mKeepRunning = 1;
+ rc = pthread_create(&mThreadId, 0, ServerSocketConnection::messageLoop, this);
+ if (rc!=0)
+ {
+ mThreadId = INVALID_THREAD_ID;
+ ELOG1(EJavaComms, "ServerSocketConnection::start(): pthread_create failed, errno = %d", rc);
+ }
+ }
+
+ return rc;
+}
+
+void* ServerSocketConnection::messageLoop(void* params)
+{
+ ServerSocketConnection* me = reinterpret_cast<ServerSocketConnection*>(params);
+ me->mListener->onStart();
+ LOG1(EJavaComms, EInfo, "Server started on %d", me->mPort);
+ me->select();
+ me->removeConnections();
+ LOG1(EJavaComms, EInfo, "Server stopped on %d", me->mPort);
+ me->mListener->onExit();
+ return 0;
+}
+
+
+void ServerSocketConnection::stop()
+{
+ mKeepRunning = 0;
+
+ if (mThreadId != INVALID_THREAD_ID)
+ {
+ // kick select out from wait
+ Socket s;
+ s.open(mPort);
+ s.close();
+
+ int rc = pthread_join(mThreadId, 0);
+ if (rc)
+ {
+ ELOG1(EJavaComms, "ServerSocketConnection::stop(): pthread_join failed, errno = %d", rc);
+ }
+ }
+
+ mListenSocket.close();
+ removeConnections();
+ mThreadId = INVALID_THREAD_ID;
+ mPort = 0;
+}
+
+int ServerSocketConnection::select()
+{
+ while (mKeepRunning)
+ {
+ fd_set socks;
+ int maxfd = 0;
+
+ createSelectSet(socks, maxfd);
+
+ timeval tv;
+ tv.tv_sec = 600;
+ tv.tv_usec = 0;
+
+ int rc = ::select(maxfd + 1, &socks, 0, 0, &tv);
+
+ if (rc == 0)
+ {
+// LOG(EJavaComms, EInfo, "select() timed out!");
+ continue;
+ }
+ else if (rc < 0 && errno != EINTR)
+ {
+ ELOG1(EJavaComms, "Error in select(): %s", strerror(errno));
+ break;
+ }
+ else if (rc > 0)
+ {
+ rc = handleNewConnection(socks);
+ if (rc<0) break; // bail out if accept fails
+ handleRead(socks);
+ }
+ }
+ return 0;
+}
+
+int ServerSocketConnection::handleNewConnection(fd_set& aSet)
+{
+ int peersock = 0;
+ if (FD_ISSET(mListenSocket.getSocket(), &aSet))
+ {
+ peersock = mListenSocket.accept();
+ if (peersock < 0)
+ {
+ ELOG1(EJavaComms, "Error in accept(): %s", strerror(errno));
+ }
+ else
+ {
+ ScopedLock lock(mSocketsMutex);
+ SocketConnection* con = new SocketConnection(mListener, peersock);
+ mSockets.push_back(con);
+ LOG3(EJavaComms, EInfo, "Server %d - client %d connected - clients %d",
+ mPort, con->getSocket(), mSockets.size());
+ }
+ }
+ return peersock;
+}
+
+
+void ServerSocketConnection::handleRead(fd_set& aSet)
+{
+ ScopedLock lock(mSocketsMutex);
+
+ for (connections_t::iterator it = mSockets.begin(); it != mSockets.end();)
+ {
+ if (FD_ISSET((*it)->getSocket(), &aSet))
+ {
+ int rc = (*it)->receive();
+
+ if (!rc)
+ {
+ ++it;
+ }
+ else
+ {
+ LOG3(EJavaComms, EInfo, "Server %d - client %d disconnected - clients %d",
+ mPort, (*it)->getSocket(), mSockets.size()-1);
+ (*it)->disconnect();
+ delete(*it);
+ it = mSockets.erase(it);
+ }
+ }
+ else
+ {
+ ++it;
+ }
+ }
+}
+
+void ServerSocketConnection::createSelectSet(fd_set& aSet, int& aMaxFd)
+{
+ ScopedLock lock(mSocketsMutex);
+
+ FD_ZERO(&aSet);
+ aMaxFd = mListenSocket.getSocket();
+
+ // add listen socket
+ FD_SET(mListenSocket.getSocket() ,&aSet);
+
+ // add read sockets
+ for (connections_t::iterator it = mSockets.begin(); it != mSockets.end(); ++it)
+ {
+ int sock_fd = (*it)->getSocket();
+ FD_SET(sock_fd, &aSet);
+
+ aMaxFd = (aMaxFd < sock_fd)?sock_fd:aMaxFd;
+ }
+}
+
+int ServerSocketConnection::send(ipcMessage_t* aMsg)
+{
+ ScopedLock lock(mSocketsMutex);
+
+ int rc = EINVAL;
+ for (connections_t::iterator it = mSockets.begin(); it != mSockets.end(); ++it)
+ {
+ if (aMsg->ipcHeader.receiver == (*it)->getSocket())
+ {
+ rc = (*it)->send(aMsg);
+ break;
+ }
+ }
+ return rc;
+}
+
+void ServerSocketConnection::removeConnections()
+{
+ ScopedLock lock(mSocketsMutex);
+
+ for (connections_t::iterator it = mSockets.begin(); it != mSockets.end();)
+ {
+ (*it)->disconnect();
+ LOG3(EJavaComms, EInfo, "Server %d stopping - client %d disconnected - clients %d",
+ mPort, (*it)->getSocket(), mSockets.size()-1);
+ delete(*it);
+ it = mSockets.erase(it);
+ }
+}
+
+} // namespace comms
+} // namespace java
+