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#if !defined(TEST_CONTROLLER)
#define TEST_CONTROLLER
#include "FWCore/SharedMemory/interface/ControllerChannel.h"
#include "FWCore/Utilities/interface/Exception.h"
#include <memory>
#include <string>
#include <stdio.h>
int controller(int argc, char** argv, unsigned int iTimeout) {
using namespace edm::shared_memory;
ControllerChannel channel("TestChannel", 0, iTimeout);
//Pipe has to close AFTER we tell the worker to stop
auto closePipe = [](FILE* iFile) { pclose(iFile); };
std::unique_ptr<FILE, decltype(closePipe)> pipe(nullptr, closePipe);
auto stopWorkerCmd = [](ControllerChannel* iChannel) { iChannel->stopWorker(); };
std::unique_ptr<ControllerChannel, decltype(stopWorkerCmd)> stopWorkerGuard(&channel, stopWorkerCmd);
{
std::string command(argv[0]);
command += " ";
command += channel.sharedMemoryName();
command += " ";
command += channel.uniqueID();
//make sure output is flushed before popen does any writing
fflush(stdout);
fflush(stderr);
channel.setupWorker([&]() {
pipe.reset(popen(command.c_str(), "w"));
if (not pipe) {
throw cms::Exception("PipeFailed") << "pipe failed to open " << command;
}
});
}
{
*channel.toWorkerBufferInfo() = {0, 0};
auto result = channel.doTransition(
[&]() {
if (channel.fromWorkerBufferInfo()->index_ != 1) {
throw cms::Exception("BadValue") << "wrong index value of fromWorkerBufferInfo "
<< static_cast<int>(channel.fromWorkerBufferInfo()->index_);
}
if (channel.fromWorkerBufferInfo()->identifier_ != 1) {
throw cms::Exception("BadValue")
<< "wrong identifier value of fromWorkerBufferInfo " << channel.fromWorkerBufferInfo()->identifier_;
}
if (not channel.shouldKeepEvent()) {
throw cms::Exception("BadValue") << "told not to keep event";
}
},
edm::Transition::Event,
2);
if (not result) {
throw cms::Exception("TimeOut") << "doTransition timed out";
}
}
{
*channel.toWorkerBufferInfo() = {1, 1};
auto result = channel.doTransition(
[&]() {
if (channel.fromWorkerBufferInfo()->index_ != 0) {
throw cms::Exception("BadValue") << "wrong index value of fromWorkerBufferInfo "
<< static_cast<int>(channel.fromWorkerBufferInfo()->index_);
}
if (channel.fromWorkerBufferInfo()->identifier_ != 2) {
throw cms::Exception("BadValue")
<< "wrong identifier value of fromWorkerBufferInfo " << channel.fromWorkerBufferInfo()->identifier_;
}
if (channel.shouldKeepEvent()) {
throw cms::Exception("BadValue") << "told to keep event";
}
},
edm::Transition::Event,
3);
if (not result) {
throw cms::Exception("TimeOut") << "doTransition timed out";
}
}
{
auto result = channel.doTransition([&]() {}, edm::Transition::EndLuminosityBlock, 1);
if (not result) {
throw cms::Exception("TimeOut") << "doTransition timed out";
}
}
//std::cout <<"controller going to stop"<<std::endl;
return 0;
}
#endif
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