Add libva to chromium third_party.

third_party/libva/test/v4l_h264/decode/TCPSocketServer.cpp

+/*
+ * Copyright (c) 2012 Intel Corporation. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+* C++ wrapper around an TCP socket
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>  // for data types
+#include <sys/socket.h> // for socket(), connect(), send(), recv()
+#include <netinet/in.h> // for IPPROTO_TCP, sockadd_in
+#include <arpa/inet.h>  // for inet_ntoa()
+#include <unistd.h> // for close()
+#include <netdb.h>  // for hostent, gethostbyname()
+#include <fcntl.h>  // for fcntl()
+#include <errno.h>
+
+#include <cstring>  // for memset
+
+#include "TCPSocketServer.h"
+
+using std::string;
+
+
+TCPSocketServer::TCPSocketServer(unsigned short localPort) throw(std::runtime_error) :
+sockDesc(-1),
+    connSockDesc(-1)
+{
+    // create new socket
+    if ((sockDesc = socket(PF_INET, SOCK_STREAM, 0)) < 0) {
+        throw std::runtime_error("Socket creation failed (socket())");
+    }
+
+    ::memset(&sockAddr, 0, sizeof(sockAddr));
+    ::memset(&connSockAddr, 0, sizeof(connSockAddr));
+
+    sockAddr.sin_family = AF_INET;
+    sockAddr.sin_addr.s_addr = htonl(INADDR_ANY);
+    sockAddr.sin_port = htons(localPort);
+
+    if (bind(sockDesc, (sockaddr *) &sockAddr, sizeof(sockAddr)) < 0)
+    {
+        throw std::runtime_error("Bind to local port failed (bind())");
+    }
+
+    if (listen(sockDesc, 2) < 0)
+    {
+        throw std::runtime_error("Socket initialization failed (listen())");
+    }
+}
+
+
+/* Destructor */
+TCPSocketServer::~TCPSocketServer()
+{
+    if (connSockDesc > 0) {
+        ::close(connSockDesc);
+    }
+
+    ::close(sockDesc);
+}
+
+
+/* Listen for an incoming connection */
+void TCPSocketServer::accept(string &remoteAddr, unsigned short &remotePort) throw (std::runtime_error)
+{
+    if (connSockDesc > 0) {
+        throw std::runtime_error("accept() called, but socket is already connected");
+    }
+
+    socklen_t connSockLen = sizeof(connSockAddr);
+    if ((connSockDesc = ::accept(sockDesc, (sockaddr *) &connSockAddr, &connSockLen)) < 0) {
+        throw std::runtime_error("Connection accept failed (accept())");
+    }
+
+    remoteAddr = inet_ntoa(connSockAddr.sin_addr);
+    remotePort = ntohs(connSockAddr.sin_port);
+}
+
+
+/* Communication over socket */
+/* Receive data */
+ssize_t TCPSocketServer::recv(void *buffer, const size_t &bufferLen) throw (std::runtime_error)
+{
+    if (connSockDesc <= 0) {
+        throw std::runtime_error("recv() called, but socket is not connected. Call accept() first");
+    }
+
+    int rval = ::read(connSockDesc, buffer, bufferLen);
+
+    if (rval <= 0) {
+        // EOF (connection closed by remote host) or error:
+        // reset state, so a new accept() call will succeed
+        connSockDesc = -1;
+        ::memset(&connSockAddr, 0, sizeof(connSockAddr));
+    }
+
+    if (rval == -1) {
+        throw std::runtime_error("Error reading from socket (read())");
+    }
+
+    return rval;
+}
+
+
+/* Send data */
+ssize_t TCPSocketServer::send(const void *buffer, const int &bufferLen) throw (std::runtime_error)
+{
+    if (connSockDesc <= 0) {
+        throw std::runtime_error("send() called, but socket is not connected. Call accept() first");
+    }
+
+    int rval = ::write(connSockDesc, buffer, bufferLen);
+
+    if (rval <= 0) {
+        // EOF (connection closed by remote host) or error:
+        // reset state, so a new accept() call will succeed
+        connSockDesc = -1;
+        ::memset(&connSockAddr, 0, sizeof(connSockAddr));
+    }
+
+    if (rval == -1) {
+        throw std::runtime_error("Error reading from socket (read())");
+    }
+
+    return rval;
+}
+
+ssize_t TCPSocketServer::send(const string &message) throw (std::runtime_error)
+{
+    send(message.c_str(), message.length());
+}
+
+
+int TCPSocketServer::recv_data(unsigned char *data, int size)
+{
+    int total = 0;
+    try {
+        int pos = 0;
+        int recvMsgSize;
+        for (;;) {
+            // try to receive a message
+            recvMsgSize = recv(&data[pos], size);
+            if ((recvMsgSize < 0) && (errno == EWOULDBLOCK)) {
+                // no data received on non-blocking socket
+                usleep(100);
+            } else {
+                total += recvMsgSize;
+                if (recvMsgSize != size) {
+                    pos += recvMsgSize;
+                    size -= recvMsgSize;
+                } else {
+                    break;
+                }
+            }
+        }
+    }
+    catch (const std::exception& e) {
+        printf("%s\n", e.what());
+        exit(1);
+    }
+    return total;
+}
+
+unsigned int TCPSocketServer::recv_uint32()
+{
+    unsigned int buffer;
+    recv_data((unsigned char*)&buffer, 4);
+    return buffer;
+}