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lab_09_1.cpp
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lab_09_1.cpp
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#include <unistd.h>
#include <iostream>
#include <pthread.h>
#include <sys/utsname.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <arpa/inet.h>
#include <signal.h>
#include "config.cpp"
#include "getch.cpp"
using namespace std;
struct p_args
{
int server_socket_des;
bool stop_threads = false;
struct sockaddr_in serv_addr;
};
pthread_t sending_thread, receiving_thread, connecting_thread;
void* send_request(void* arg)
{
// my_cout{} << "Function send_request started working" << endl;
p_args* info = (p_args*)arg;
int temp_status;
while(!(info->stop_threads))
{
struct sending_data temp;
strncpy(temp.msg, "Sent", 5);
if (!(check(sendto(info->server_socket_des, &temp, sizeof(temp), 0, (sockaddr *)&info->serv_addr, sizeof(info->serv_addr)), "Sending error")))
my_cout{} << "Sent to server with message \"Sent\"" << endl;
sleep(1);
}
// my_cout{} << "Function send_request stopped working" << endl;
return 0;
}
void* get_response(void* arg)
{
// my_cout{} << "Function get_response started working" << endl;
p_args* info = (p_args*)arg;
int temp_status;
struct sending_data temp;
while(!(info->stop_threads))
{
sleep(1);
int lent = sizeof(info->serv_addr);
if (!(check(recvfrom(info->server_socket_des, &temp, sizeof(temp), 0, (sockaddr *)&info->serv_addr, (socklen_t *)&lent), "Receiving error")))
{
my_cout{} << "Received data with messege \"" << temp.msg << "\"" << endl;
my_cout{} << "Sysconf info: " << endl;
my_cout{} << "_SC_STREAM_MAX: " << temp.info << endl;
}
}
// my_cout{} << "Function get_response stopped working" << endl;
return 0;
}
void* establish_connection(void* arg)
{
// my_cout{} << "Function establish_connection started working" << endl;
p_args* info = (p_args*)arg;
int temp_status;
struct sockaddr server_addr;
while(!(info->stop_threads))
{
memset(&info->serv_addr, '0', sizeof(info->serv_addr));
info->serv_addr.sin_family = AF_INET;
// info->serv_addr.sin_port = htons(8880);
info->serv_addr.sin_port = htons(8000);
check(inet_pton(AF_INET, "127.0.0.1", &info->serv_addr.sin_addr), "Inet_pton");
my_cout{} << "Creating working threads for this connection" << endl;
if (!(check(pthread_create(&sending_thread, 0, send_request, arg), "Sending pthread_create")) &&
!(check(pthread_create(&receiving_thread, 0, get_response, arg), "Geting pthread_create")));
{
my_cout{} << "Creation success" << endl;
break;
}
sleep(1);
}
// my_cout{} << "Function establish_connection stopped working" << endl;
return 0;
}
int main()
{
my_cout{}.setf(ios::unitbuf);
int temp_status;
p_args arg;
signal(SIGPIPE, SIG_IGN);
if (!check(temp_status = socket(AF_INET, SOCK_DGRAM | SOCK_NONBLOCK, 0), "Socket opening"))
arg.server_socket_des = temp_status;
check(pthread_create(&connecting_thread, 0, establish_connection, &arg), "Connecting pthread_create");
getch();
arg.stop_threads = true;
pthread_join(connecting_thread, 0);
pthread_join(receiving_thread, 0);
pthread_join(sending_thread, 0);
close(arg.server_socket_des);
perror("\nSocket closing");
return 0;
}