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/*
* 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 Intels 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.
*
* CREATED: 2011-11-25
* UPDATED: 2011-11-25
*/
#include "TestPlatform.h"
#include <iostream>
#include <cstdlib>
#include <semaphore.h>
#include <string.h>
#include <unistd.h>
using namespace std;
const int iDefaultPortNumber = 5001;
// Starts test-platform in blocking mode
static bool startBlockingTestPlatform(const char *filePath, int portNumber, string &strError)
{
// Init semaphore
sem_t sem;
sem_init(&sem, false, 0);
// Create param mgr
CTestPlatform testPlatform(filePath, portNumber, sem);
// Start platformmgr
if (!testPlatform.load(strError)) {
sem_destroy(&sem);
return false;
}
// Block here
sem_wait(&sem);
sem_destroy(&sem);
return true;
}
// Starts test-platform in daemon mode
static bool startDaemonTestPlatform(const char *filePath, int portNumber, string &strError)
{
// Pipe used for communication between the child and the parent processes
int pipefd[2];
if (pipe(pipefd) == -1) {
strError = "pipe failed";
return false;
}
// Fork the current process:
// - Child process is used to start test-platform
// - Parent process is killed in order to turn its child into a daemon
pid_t pid = fork();
if (pid < 0) {
strError = "fork failed!";
return false;
} else if (pid == 0) {
// Child process : starts test-platform and notify the parent if it succeeds.
// Close read side of the pipe
close(pipefd[0]);
// Init semaphore
sem_t sem;
sem_init(&sem, false, 0);
// Create param mgr
CTestPlatform testPlatform(filePath, portNumber, sem);
// Message to send to parent process
bool msgToParent;
// Start platformmgr
if (!testPlatform.load(strError)) {
cerr << strError << endl;
// Notify parent of failure;
msgToParent = false;
write(pipefd[1], &msgToParent, sizeof(msgToParent));
sem_destroy(&sem);
} else {
// Notify parent of success
msgToParent = true;
write(pipefd[1], &msgToParent, sizeof(msgToParent));
// Block here
sem_wait(&sem);
sem_destroy(&sem);
}
return msgToParent;
} else {
// Parent process : need to kill it once the child notifies the successs/failure to start
// test-platform (this status is used as exit value of the program).
// Close write side of the pipe
close(pipefd[1]);
// Message received from the child process
bool msgFromChild = false;
if (read(pipefd[0], &msgFromChild, sizeof(msgFromChild)) <= 0) {
strError = "Read pipe failed";
}
// return success/failure in exit status
return msgFromChild;
}
}
static void usage()
{
cerr << "Invalid arguments: test-platform [-d] <file path> [port number, default "
<< iDefaultPortNumber << "]" << endl;
}
int main(int argc, char *argv[])
{
// Option found by call to getopt()
int opt;
// Port number to be used by test-platform
int portNumber;
// Daemon flag
bool isDaemon = false;
// Index of the <file path> argument in the arguments list provided
int indexFilePath = 1;
// Handle the -d option
while ((opt = getopt(argc, argv, "d")) != -1) {
switch (opt) {
case 'd':
isDaemon = true;
indexFilePath = 2;
break;
default:
usage();
return -1;
}
}
// Check the number of arguments
if ((argc < indexFilePath + 1) || (argc > indexFilePath + 2)) {
usage();
return -1;
}
char *filePath = argv[indexFilePath];
portNumber = argc > indexFilePath + 1 ? atoi(argv[indexFilePath + 1]) : iDefaultPortNumber;
// Choose either blocking or daemon test-platform
bool startError;
string strError;
if (isDaemon) {
startError = startDaemonTestPlatform(filePath, portNumber, strError);
} else {
startError = startBlockingTestPlatform(filePath, portNumber, strError);
}
if (!startError) {
cerr << "Test-platform error:" << strError.c_str() << endl;
return -1;
}
return 0;
}
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