1 files changed, 203 insertions, 0 deletions
diff --git a/remote-processor/RemoteProcessorServer.cpp b/remote-processor/RemoteProcessorServer.cpp
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+/* <auto_header>
+ * <FILENAME>
+ * 
+ * INTEL CONFIDENTIAL
+ * Copyright © 2011 Intel 
+ * Corporation All Rights Reserved.
+ * 
+ * The source code contained or described herein and all documents related to
+ * the source code ("Material") are owned by Intel Corporation or its suppliers
+ * or licensors. Title to the Material remains with Intel Corporation or its
+ * suppliers and licensors. The Material contains trade secrets and proprietary
+ * and confidential information of Intel or its suppliers and licensors. The
+ * Material is protected by worldwide copyright and trade secret laws and
+ * treaty provisions. No part of the Material may be used, copied, reproduced,
+ * modified, published, uploaded, posted, transmitted, distributed, or
+ * disclosed in any way without Intel’s prior express written permission.
+ * 
+ * No license under any patent, copyright, trade secret or other intellectual
+ * property right is granted to or conferred upon you by disclosure or delivery
+ * of the Materials, either expressly, by implication, inducement, estoppel or
+ * otherwise. Any license under such intellectual property rights must be
+ * express and approved by Intel in writing.
+ * 
+ *  AUTHOR: Patrick Benavoli (patrickx.benavoli@intel.com)
+ * CREATED: 2011-06-01
+ * UPDATED: 2011-07-27
+ * 
+ * 
+ * </auto_header>
+ */
+#include "RemoteProcessorServer.h"
+#include "ListeningSocket.h"
+#include <assert.h>
+#include <poll.h>
+#include <unistd.h>
+#include <strings.h>
+#include "RequestMessage.h"
+#include "AnswerMessage.h"
+#include "RemoteCommandHandler.h"
+
+CRemoteProcessorServer::CRemoteProcessorServer(uint16_t uiPort, IRemoteCommandHandler* pCommandHandler) :
+    _uiPort(uiPort), _pCommandHandler(pCommandHandler), _bIsStarted(false), _pListeningSocket(NULL), _ulThreadId(0)
+{
+    // Create inband pipe
+    pipe(_aiInbandPipe);
+}
+
+CRemoteProcessorServer::~CRemoteProcessorServer()
+{
+    stop();
+}
+
+// State
+bool CRemoteProcessorServer::start()
+{
+    assert(!_bIsStarted);
+
+    // Create server socket
+    _pListeningSocket = new CListeningSocket;
+
+    if (!_pListeningSocket->listen(_uiPort)) {
+
+        // Remove listening socket
+        delete _pListeningSocket;
+        _pListeningSocket = NULL;
+
+        return false;
+    }
+
+    // Create thread
+    pthread_create(&_ulThreadId, NULL, thread_func, this);
+
+    // State
+    _bIsStarted = true;
+
+    return true;
+}
+
+void CRemoteProcessorServer::stop()
+{
+    // Check state
+    if (!_bIsStarted) {
+
+        return;
+    }
+
+    // Cause exiting of the thread
+    uint8_t ucData = 0;
+    write(_aiInbandPipe[1], &ucData, sizeof(ucData));
+
+    // Join thread
+    pthread_join(_ulThreadId, NULL);
+
+    _bIsStarted = false;
+
+    // Remove listening socket
+    delete _pListeningSocket;
+    _pListeningSocket = NULL;
+}
+
+bool CRemoteProcessorServer::isStarted() const
+{
+    return _bIsStarted;
+}
+
+// Thread
+void* CRemoteProcessorServer::thread_func(void* pData)
+{
+    reinterpret_cast<CRemoteProcessorServer*>(pData)->run();
+
+    return NULL;
+}
+
+void CRemoteProcessorServer::run()
+{
+    struct pollfd _aPollFds[2];
+
+    bzero(_aPollFds, sizeof(_aPollFds));
+
+    // Build poll elements
+    _aPollFds[0].fd = _pListeningSocket->getFd();
+    _aPollFds[1].fd = _aiInbandPipe[0];
+    _aPollFds[0].events = POLLIN;
+    _aPollFds[1].events = POLLIN;
+
+    while (true) {
+
+        poll(_aPollFds, 2, -1);
+
+        if (_aPollFds[0].revents & POLLIN) {
+
+            // New incoming connection
+            handleNewConnection();
+        }
+        if (_aPollFds[1].revents & POLLIN) {
+
+            // Consume exit request
+            uint8_t ucData;
+            read(_aiInbandPipe[0], &ucData, sizeof(ucData));
+
+            // Exit
+            return;
+        }
+    }
+}
+
+// New connection
+void CRemoteProcessorServer::handleNewConnection()
+{
+    CSocket* pClientSocket = _pListeningSocket->accept();
+
+    if (!pClientSocket) {
+
+        return;
+    }
+
+    // Set timeout
+    pClientSocket->setTimeout(5000);
+
+    // Process all incoming requests from the client
+    while (true) {
+
+        // Process requests
+        // Create command message
+        CRequestMessage requestMessage;
+
+        ///// Receive command
+        if (!requestMessage.serialize(pClientSocket, false)) {
+
+            // Bail out
+            break;
+        }
+
+        // Actually process the request
+        bool bSuccess;
+
+        string strResult;
+
+        if (_pCommandHandler) {
+
+            bSuccess = _pCommandHandler->remoteCommandProcess(requestMessage, strResult);
+
+        } else {
+
+            strResult = "No handler!";
+
+            bSuccess = false;
+        }
+
+        // Send back answer
+        // Create answer message
+        CAnswerMessage answerMessage(strResult, bSuccess);
+
+        ///// Send answer
+        if (!answerMessage.serialize(pClientSocket, true)) {
+
+            // Bail out
+            break;
+        }
+    }
+    // Remove client socket
+    delete pClientSocket;
+}