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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#include "qpid/sys/Poller.h"
#include "qpid/sys/IOHandle.h"
#include "qpid/sys/Dispatcher.h"
#include "qpid/sys/DispatchHandle.h"
#include "qpid/sys/posix/PrivatePosix.h"
#include "qpid/sys/Thread.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <signal.h>
#include <iostream>
#include <boost/bind.hpp>
using namespace std;
using namespace qpid::sys;
int writeALot(int fd, const string& s) {
int bytesWritten = 0;
do {
errno = 0;
int lastWrite = ::write(fd, s.c_str(), s.size());
if ( lastWrite >= 0) {
bytesWritten += lastWrite;
}
} while (errno != EAGAIN);
return bytesWritten;
}
int readALot(int fd) {
int bytesRead = 0;
char buf[10240];
do {
errno = 0;
int lastRead = ::read(fd, buf, sizeof(buf));
if ( lastRead >= 0) {
bytesRead += lastRead;
}
} while (errno != EAGAIN);
return bytesRead;
}
int64_t writtenBytes = 0;
int64_t readBytes = 0;
void writer(DispatchHandle& h, int fd, const string& s) {
writtenBytes += writeALot(fd, s);
h.rewatch();
}
void reader(DispatchHandle& h, int fd) {
readBytes += readALot(fd);
h.rewatch();
}
DispatchHandle* rh = 0;
DispatchHandle* wh = 0;
void rInterrupt(DispatchHandle&) {
cerr << "R";
}
void wInterrupt(DispatchHandle&) {
cerr << "W";
}
DispatchHandle::Callback rcb = rInterrupt;
DispatchHandle::Callback wcb = wInterrupt;
void timer_handler(int /*signo*/, siginfo_t* /*info*/, void* /*context*/) {
rh->call(rcb);
wh->call(wcb);
}
int main(int /*argc*/, char** /*argv*/)
{
// Create poller
Poller::shared_ptr poller(new Poller);
// Create dispatcher thread
Dispatcher d(poller);
Dispatcher d1(poller);
Dispatcher d2(poller);
Dispatcher d3(poller);
Thread dt(d);
Thread dt1(d1);
Thread dt2(d2);
Thread dt3(d3);
// Setup sender and receiver
int sv[2];
int rc = ::socketpair(AF_LOCAL, SOCK_STREAM, 0, sv);
assert(rc >= 0);
// Set non-blocking
rc = ::fcntl(sv[0], F_SETFL, O_NONBLOCK);
assert(rc >= 0);
rc = ::fcntl(sv[1], F_SETFL, O_NONBLOCK);
assert(rc >= 0);
// Make up a large string
string testString = "This is only a test ... 1,2,3,4,5,6,7,8,9,10;";
for (int i = 0; i < 8; i++)
testString += testString;
PosixIOHandle f0(sv[0]);
PosixIOHandle f1(sv[1]);
rh = new DispatchHandle(f0, boost::bind(reader, _1, sv[0]), 0, 0);
wh = new DispatchHandle(f1, 0, boost::bind(writer, _1, sv[1], testString), 0);
rh->startWatch(poller);
wh->startWatch(poller);
// Set up a regular itimer interupt
// Ignore signal in this thread
::sigset_t sm;
::sigemptyset(&sm);
::sigaddset(&sm, SIGRTMIN);
::pthread_sigmask(SIG_BLOCK, &sm, 0);
// Signal handling
struct ::sigaction sa;
sa.sa_sigaction = timer_handler;
sa.sa_flags = SA_RESTART | SA_SIGINFO;
::sigemptyset(&sa.sa_mask);
rc = ::sigaction(SIGRTMIN, &sa,0);
assert(rc == 0);
::sigevent se;
se.sigev_notify = SIGEV_SIGNAL;
se.sigev_signo = SIGRTMIN;
se.sigev_value.sival_ptr = 0;
timer_t timer;
rc = ::timer_create(CLOCK_REALTIME, &se, &timer);
assert(rc == 0);
itimerspec ts = {
/*.it_value = */ {2, 0}, // s, ns
/*.it_interval = */ {2, 0}}; // s, ns
rc = ::timer_settime(timer, 0, &ts, 0);
assert(rc == 0);
// wait 2 minutes then shutdown
::sleep(60);
rc = ::timer_delete(timer);
assert(rc == 0);
poller->shutdown();
dt.join();
dt1.join();
dt2.join();
dt3.join();
cout << "\nWrote: " << writtenBytes << "\n";
cout << "Read: " << readBytes << "\n";
return 0;
}
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