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Tzewa Lam/MakeServerInLinux

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client.cpp 1.17 KB
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#include "src/util.h"
#include <arpa/inet.h>
#include <iostream>
#include <string.h>
#include <sys/socket.h>
#include <unistd.h>
constexpr int BUFFER_SIZE = 1024;
int main()
{
int sockfd = socket(AF_INET, SOCK_STREAM, 0);
errorif(sockfd == -1, "socket create error");
struct sockaddr_in serv_addr;
bzero(&serv_addr, sizeof(serv_addr));
serv_addr.sin_family = AF_INET;
serv_addr.sin_addr.s_addr = inet_addr("127.0.0.1");
serv_addr.sin_port = htons(1234);
errorif(connect(sockfd, (sockaddr *)&serv_addr, sizeof(serv_addr)) == -1, "socket connect error");
while (true)
{
char buf[BUFFER_SIZE];
bzero(buf, sizeof(buf));
std::cin >> buf;
ssize_t write_bytes = write(sockfd, buf, sizeof(buf));
if (write_bytes == -1)
{
printf("socket already disconnected, can't write any more!\n");
break;
}
bzero(&buf, sizeof(buf));
ssize_t read_bytes = read(sockfd, buf, sizeof(buf));
if (read_bytes > 0)
{
printf("message from server: %s\n", buf);
}
else if (read_bytes == 0)
{
printf("server socket disconnected!\n");
break;
}
else if (read_bytes == -1)
{
close(sockfd);
errorif(true, "socket read error");
}
}
close(sockfd);
return 0;
}
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