#include <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <unistd.h>
#include <time.h>
#include <semaphore.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/wait.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/stat.h>
void *recv_thread(void *arg);
void *send_thread(void *arg);
int main(int argc, char const *argv[])
{
if (argc != 3)
{
printf("Usage: %s <port> <ip>\n", argv[0]);
exit(1);
}
printf("port: %s\n", argv[1]);
pthread_t send_tid;
pthread_create(&send_tid, NULL, send_thread, argv);
printf("ip: %s\n", argv[2]);
pthread_t recv_tid;
pthread_create(&recv_tid, NULL, recv_thread, argv);
printf("fdfdfdfd\n");
pthread_join(send_tid, NULL);
pthread_join(recv_tid, NULL);
pthread_exit(NULL);
return 0;
}
void *send_thread(void *arg)
{
char **argv = (char **)arg;
int udp_socket_pid = socket(AF_INET, SOCK_STREAM, 0);
if (udp_socket_pid < 0)
{
perror("socket creation failed");
pthread_exit(NULL);
}
struct sockaddr_in send_addr;
send_addr.sin_family = AF_INET;
send_addr.sin_port = htons(atoi(argv[1]));
send_addr.sin_addr.s_addr = inet_addr(argv[2]);
int connect_result = connect(udp_socket_pid, (struct sockaddr *)&send_addr, sizeof(send_addr));
if (connect_result < 0)
{
perror("connect failed");
pthread_exit(NULL);
}
int send_len;
char send_buf[512];
while (1)
{
scanf("%s", send_buf);
send_len = send(udp_socket_pid, send_buf, strlen(send_buf), 0);
if (send_len < 0)
{
perror("send failed");
pthread_exit(NULL);
}
else
{
printf("send: %s\n", send_buf);
}
memset(send_buf, 0, sizeof(send_buf));
sleep(1);
}
close(udp_socket_pid);
return 0;
}
void *recv_thread(void *arg)
{
char **argv = (char **)arg;
int tcp_socket = socket(AF_INET, SOCK_STREAM, 0);
if (tcp_socket == -1)
{
fprintf(stderr, "tcp socket error,errno:%d,%s\n", errno, strerror(errno));
exit(1);
}
struct sockaddr_in host_addr;
host_addr.sin_family = AF_INET;
host_addr.sin_port = htons(atoi(argv[1]));
host_addr.sin_addr.s_addr = htonl(INADDR_ANY);
bind(tcp_socket, (struct sockaddr *)&host_addr, sizeof(host_addr));
listen(tcp_socket, 5);
struct sockaddr_in client;
socklen_t client_len = sizeof(client);
int connect_fd = accept(tcp_socket, (struct sockaddr *)&client, &client_len);
char buf[128] = {0};
while (1)
{
read(connect_fd, buf, sizeof(buf));
printf("recv from [%s],data is = %s\n", inet_ntoa(client.sin_addr), buf);
bzero(buf, sizeof(buf));
}
return 0;
}
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