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/*
* Copyright (c) 2011-2014, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <iostream>
#include <string>
#include <cstring>
#include <stdlib.h>
#include "RequestMessage.h"
#include "AnswerMessage.h"
#include "ConnectionSocket.h"
#include "NaiveTokenizer.h"
using namespace std;
class CRequestMessageGenerator
{
private:
istream& _input; // File to read the commands from
public:
CRequestMessageGenerator(istream& input) : _input(input) {}
enum EStatus {
OK,
STOP,
EMPTY_LINE,
ERROR
};
EStatus next(CRequestMessage& requestMessage)
{
string sLine;
char* pcLine;
char* pcLine_backup; // pcLine will be modified by NaiveTokenizer
// so we need to keep track of its original value
char* pcToken;
// Read a single line from the input file
getline(_input, sLine);
if (_input.eof() && (_input.gcount() == 0)) {
return STOP; // No more commands
}
if (_input.fail()) {
return ERROR; // Error while reading file
}
pcLine = strdup(sLine.c_str());
pcLine_backup = pcLine;
if (!pcLine) {
return ERROR;
}
// Set the first word as the command
pcToken = NaiveTokenizer::getNextToken(&pcLine);
if (!pcToken) {
free(pcLine_backup);
return EMPTY_LINE;
}
requestMessage.setCommand(pcToken);
while ((pcToken = NaiveTokenizer::getNextToken(&pcLine)) != NULL) {
// Add each word as arguments to the command
requestMessage.addArgument(pcToken);
}
free(pcLine_backup);
return OK;
}
};
bool sendAndDisplayCommand(CConnectionSocket &connectionSocket, CRequestMessage &requestMessage)
{
string strError;
if (requestMessage.serialize(&connectionSocket, true, strError)
!= CRequestMessage::success) {
cerr << "Unable to send command to target: " << strError << endl;
return false;
}
///// Get answer
CAnswerMessage answerMessage;
if (answerMessage.serialize(&connectionSocket, false, strError)
!= CRequestMessage::success) {
cerr << "Unable to received answer from target: " << strError << endl;
return false;
}
// Success?
if (!answerMessage.success()) {
// Display error answer
cerr << answerMessage.getAnswer() << endl;
return false;
}
// Display success answer
cout << answerMessage.getAnswer() << endl;
return true;
}
// hostname port command [argument[s]]
// or
// hostname port < commands
int main(int argc, char *argv[])
{
bool bFromStdin = false; // Read commands from stdin instead of arguments
// Enough args?
if (argc < 3) {
cerr << "Missing arguments" << endl;
cerr << "Usage: " << endl;
cerr << "Send a single command:" << endl;
cerr << "\t" << argv[0] << " hostname port command [argument[s]]" << endl;
cerr << "Send several commands, read from stdin:" << endl;
cerr << "\t" << argv[0] << " hostname port" << endl;
return 1;
} else if (argc < 4) {
bFromStdin = true;
}
// Get port number
uint16_t uiPort = (uint16_t)strtoul(argv[2], NULL, 0);
// Connect to target
CConnectionSocket connectionSocket;
string strError;
// Connect
if (!connectionSocket.connect(argv[1], uiPort, strError)) {
cerr << strError << endl;
return 1;
}
if (bFromStdin) {
CRequestMessageGenerator generator(cin);
CRequestMessage requestMessage;
CRequestMessageGenerator::EStatus status;
while (true) {
status = generator.next(requestMessage);
switch (status) {
case CRequestMessageGenerator::OK:
if (!sendAndDisplayCommand(connectionSocket, requestMessage)) {
return 1;
}
break;
case CRequestMessageGenerator::STOP:
return 0;
case CRequestMessageGenerator::ERROR:
cerr << "Error while reading the input" << endl;
return 1;
case CRequestMessageGenerator::EMPTY_LINE:
continue;
}
}
} else {
// Create command message
CRequestMessage requestMessage(argv[3]);
// Add arguments
uint32_t uiArg;
for (uiArg = 4; uiArg < (uint32_t)argc; uiArg++) {
requestMessage.addArgument(argv[uiArg]);
}
if (!sendAndDisplayCommand(connectionSocket, requestMessage)) {
return 1;
}
}
// Program status
return 0;
}
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