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/* testChannelConnect.cpp */
/* Author: Matej Sekoranja Date: 2011.8.24 */
#include <iostream>
#include <sstream>
#include <vector>
#include <stdio.h>
#include <epicsStdlib.h>
#include <epicsGetopt.h>
#include <epicsExit.h>
#include <pv/clientContextImpl.h>
#include <pv/clientFactory.h>
#include <pv/event.h>
using namespace epics::pvData;
using namespace epics::pvAccess;
using namespace std;
#define N_CHANNELS_DEFAULT 1000
#define N_RUNS_DEFAULT 1
class ChannelRequesterImpl : public ChannelRequester
{
public:
ChannelRequesterImpl(size_t channels, Event& event) : total(channels), count(0), g_event(event) {}
private:
size_t total;
int count;
Event& g_event;
virtual string getRequesterName()
{
return "ChannelRequesterImpl";
};
virtual void message(std::string const & message,MessageType messageType)
{
std::cout << "[" << getRequesterName() << "] message(" << message << ", " << getMessageTypeName(messageType) << ")" << std::endl;
}
virtual void channelCreated(const epics::pvData::Status& status, Channel::shared_pointer const & channel)
{
if (!status.isSuccess())
{
std::cout << "channelCreated(" << status << ", "
<< (channel ? channel->getChannelName() : "(0)") << ")" << std::endl;
}
}
// always called from the same thread
virtual void channelStateChange(Channel::shared_pointer const & c, Channel::ConnectionState connectionState)
{
if (connectionState == Channel::CONNECTED)
{
cout << c->getChannelName() << " CONNECTED: " << (count+1) << endl;
if (static_cast<size_t>(++count) == total)
g_event.signal();
}
else if (connectionState == Channel::DISCONNECTED)
{
--count;
cout << c->getChannelName() << " DISCONNECTED: " << count << endl;
}
else
cout << c->getChannelName() << " " << Channel::ConnectionStateNames[connectionState] << endl;
}
};
void usage (void)
{
fprintf (stderr, "\nUsage: testChannelConnect [options]\n\n"
" -h: Help: Print this message\n"
"options:\n"
" -i <iterations>: number of iterations per each run (< 0 means forever), default is '%d'\n"
" -c <channels>: number of channels, default is '%d'\n\n"
, N_RUNS_DEFAULT, N_CHANNELS_DEFAULT);
}
int main (int argc, char *argv[])
{
size_t nChannels = N_CHANNELS_DEFAULT;
int runs = N_RUNS_DEFAULT;
int opt; // getopt() current option
setvbuf(stdout,NULL,_IOLBF,BUFSIZ); // Set stdout to line buffering
while ((opt = getopt(argc, argv, ":hr:w:i:c:s:l:bf:v")) != -1) {
switch (opt) {
case 'h': // Print usage
usage();
return 0;
case 'i': // iterations
runs = atoi(optarg);
break;
case 'c': // channels
{
int tmp = atoi(optarg);
if (tmp < 0) tmp = 1;
// note: possible overflow (size_t is not always unsigned int)
nChannels = static_cast<size_t>(tmp);
break;
}
case '?':
fprintf(stderr,
"Unrecognized option: '-%c'. ('testChannelConnect -h' for help.)\n",
optopt);
return 1;
case ':':
fprintf(stderr,
"Option '-%c' requires an argument. ('testChannelConnect -h' for help.)\n",
optopt);
return 1;
default :
usage();
return 1;
}
}
{
Event g_event;
ClientFactory::start();
ChannelProvider::shared_pointer provider = ChannelProviderRegistry::clients()->getProvider("pva");
int run = 0;
while (runs < 0 || run++ < runs)
{
vector<Channel::shared_pointer> channels(nChannels);
ChannelRequester::shared_pointer channelRequester(new ChannelRequesterImpl(nChannels, g_event));
char buf[16];
for (size_t i = 0; i < nChannels; i++)
{
sprintf(buf, "test%zu", (i+1));
channels.push_back(provider->createChannel(buf, channelRequester));
}
g_event.wait();
cout << "connected to all" << endl;
}
ClientFactory::stop();
}
epicsThreadSleep ( 2.0 );
//std::cout << "-----------------------------------------------------------------------" << std::endl;
//epicsExitCallAtExits();
return(0);
}
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