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ctest.cc
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ctest.cc
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#include <iostream>
#include <memory>
#include <cstdlib>
#include <cerrno>
#include <cstring>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include "threadpool.h"
class EchoTask : public Task {
public:
EchoTask(const char *ip, uint16_t port);
~EchoTask();
bool doit();
private:
int fd_;
};
EchoTask::EchoTask(const char *ip, uint16_t port) {
fd_ = socket(AF_INET, SOCK_STREAM, 0);
if (fd_ < 0) {
std::cerr << "socket create error:" << errno << "\t" << strerror(errno) << std::endl;
throw int(errno);
}
struct sockaddr_in servaddr;
memset(&servaddr, 0x00, sizeof(servaddr));
servaddr.sin_family = AF_INET;
servaddr.sin_port = htons(port);
inet_pton(AF_INET, ip, &servaddr.sin_addr);
if (connect(fd_, (struct sockaddr*)(&servaddr), sizeof(servaddr)) != 0) {
close(fd_);
throw int(errno);
}
}
EchoTask::~EchoTask() {
if (fd_ > 0) {
close(fd_);
}
}
bool EchoTask::doit() {
size_t hn = 0;
ssize_t n = 0;
char buf[128];
// std::string s('a', 20);
std::string s(20, 'a');
s.append("\r\n");
while (hn != s.size() && (n = send(fd_, s.c_str() + hn, s.size() - hn, 0)) > 0) {
hn += n;
}
if (n < 0) {
std::cerr << "error in send\n";
return false;
}
s.clear();
while ((n = recv(fd_, buf, 127, 0)) > 0) {
s.append(buf, n);
}
if (n < 0) {
std::cerr << "error in recv\n";
}
std::cout << s << std::endl;
return true;
}
void onfinished(Task *task) {
delete task;
}
int main(int argc, char *argv[]) {
if (argc != 3) {
std::cerr << "echo_client ip port\n";
return EXIT_FAILURE;
}
int maxfd = 10240;
setMaxfd(&maxfd);
ThreadPool tpool(50);
while (true) {
try {
std::auto_ptr<EchoTask> echo(new EchoTask(argv[1], atoi(argv[2])));
// echo->doit();
if (tpool.submit(echo.get(), onfinished)) {
echo.release();
} else {
std::cerr << "can't submit" << std::endl;
}
} catch (int e) {
std::cerr << e << "\t" << strerror(e) << std::endl;
}
}
// wait for task to be finished
do {
sleep(1);
std::cout << "s\n";
} while (tpool.taskNum() != 0);
return EXIT_SUCCESS;
}