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      1 /*
      2  * Copyright (c) 2011-2014, Intel Corporation
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without modification,
      6  * are permitted provided that the following conditions are met:
      7  *
      8  * 1. Redistributions of source code must retain the above copyright notice, this
      9  * list of conditions and the following disclaimer.
     10  *
     11  * 2. Redistributions in binary form must reproduce the above copyright notice,
     12  * this list of conditions and the following disclaimer in the documentation and/or
     13  * other materials provided with the distribution.
     14  *
     15  * 3. Neither the name of the copyright holder nor the names of its contributors
     16  * may be used to endorse or promote products derived from this software without
     17  * specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
     23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     26  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include <asio.hpp>
     32 
     33 #include <iostream>
     34 #include <string>
     35 #include <cstring>
     36 #include <stdlib.h>
     37 #include "RequestMessage.h"
     38 #include "AnswerMessage.h"
     39 #include "Socket.h"
     40 
     41 using namespace std;
     42 
     43 bool sendAndDisplayCommand(asio::ip::tcp::socket &socket, CRequestMessage &requestMessage)
     44 {
     45     string strError;
     46 
     47     if (requestMessage.serialize(Socket(socket), true, strError) != CRequestMessage::success) {
     48 
     49         cerr << "Unable to send command to target: " << strError << endl;
     50         return false;
     51     }
     52 
     53     ///// Get answer
     54     CAnswerMessage answerMessage;
     55     if (answerMessage.serialize(Socket(socket), false, strError) != CRequestMessage::success) {
     56 
     57         cerr << "Unable to received answer from target: " << strError << endl;
     58         return false;
     59     }
     60 
     61     // Success?
     62     if (!answerMessage.success()) {
     63 
     64         // Display error answer
     65         cerr << answerMessage.getAnswer() << endl;
     66         return false;
     67     }
     68 
     69     // Display success answer
     70     cout << answerMessage.getAnswer() << endl;
     71 
     72     return true;
     73 }
     74 
     75 // hostname port command [argument[s]]
     76 // or
     77 // hostname port < commands
     78 int main(int argc, char *argv[])
     79 {
     80     // Enough args?
     81     if (argc < 4) {
     82 
     83         cerr << "Missing arguments" << endl;
     84         cerr << "Usage: " << endl;
     85         cerr << "Send a single command:" << endl;
     86         cerr << "\t" << argv[0] << " hostname port command [argument[s]]" << endl;
     87 
     88         return 1;
     89     }
     90     using asio::ip::tcp;
     91     asio::io_service io_service;
     92     tcp::resolver resolver(io_service);
     93 
     94     tcp::socket connectionSocket(io_service);
     95 
     96     string host{argv[1]};
     97     string port{argv[2]};
     98     try {
     99         asio::connect(connectionSocket, resolver.resolve(tcp::resolver::query(host, port)));
    100     } catch (const asio::system_error &e) {
    101         cerr << "Connection to '" << host << ":" << port << "' failed: " << e.what() << endl;
    102         return 1;
    103     }
    104 
    105     // Create command message
    106     CRequestMessage requestMessage(argv[3]);
    107 
    108     // Add arguments
    109     for (int arg = 4; arg < argc; arg++) {
    110 
    111         requestMessage.addArgument(argv[arg]);
    112     }
    113 
    114     if (!sendAndDisplayCommand(connectionSocket, requestMessage)) {
    115         return 1;
    116     }
    117 
    118     // Program status
    119     return 0;
    120 }
    121