我正在尝试使用UNIX套接字和使用STREAM协议进行客户端 - 服务器通信。UNIX套接字错误:在非套接字上的套接字操作
我的服务器正在运行的罚款,但我的客户是行不通的。每当我尝试发送或接收数据时,我都会收到一个错误:“在非套接字上的套接字操作”。我真的不知道它来自哪里,因为我的服务器非常相似,我没有任何问题。我的服务器位于本地计算机(127.0.0.1)和端口5000.它是开放的并正在侦听(我使用netstat命令进行了检查)。
的代码有:
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <errno.h>
#define CHECK(ret, mes) if ((ret) == -1) {perror(mes); exit(-1);}
#define STRING_LENGTH 250
int createSocketINETClient(short mode, char *addr, short port)
{
int s;
struct sockaddr_in moi, server;
int moi_len, server_len;
moi.sin_family = AF_INET;
moi.sin_port = htons(port);
moi.sin_addr.s_addr = inet_addr(addr);
memset(moi.sin_zero, 0, 8);
s = socket(AF_INET, mode, 0);
CHECK(s, "socket");
moi_len = sizeof(moi);
CHECK(bind(s, (struct sockaddr*) &moi, moi_len), "bind");
return s;
}
void infoSocket (int s)
{
struct sockaddr_in sock_addr;
socklen_t len = sizeof(sock_addr);
getsockname(s, (struct sockaddr*) &sock_addr, &len);
printf("Onfo of socket %d\n", s);
printf("\t IP : %s\n", inet_ntoa(sock_addr.sin_addr));
printf("\t port : %d\n\n", ntohs(sock_addr.sin_port));
}
int main()
{
int bytes;
int sock = createSocketINETClient(SOCK_STREAM, "0.0.0.0", 0);
struct sockaddr_in serveurSock;
int client = 0, clientSockLen = 0;
char message[] = "I am a message that is supposed to WORK !!!!\n";
char fromServer[STRING_LENGTH] = "";
infoSocket(sock);
serveurSock.sin_family = AF_INET;
serveurSock.sin_port = htons(5000);
serveurSock.sin_addr.s_addr = inet_addr("127.0.0.1");
memset(serveurSock.sin_zero, 0, 8);
CHECK(connect(sock, (struct sockaddr*) &serveurSock, sizeof(serveurSock)), "connect");
usleep(1000000);
CHECK((bytes = send(client, message, sizeof(message), 0)), "send");
printf("Message sent to server : %d bytes, \"%s\"\n", bytes, message);
CHECK((bytes = recv(client, fromServer, sizeof(fromServer), 0)), "recv");
printf("Message received from server : %d bytes, \"%s\"\n", bytes, fromServer);
close(client);
printf("Client released !\n\n");
return 0;
}
我做了什么错?
编辑:误差来源于此行:
CHECK((bytes = send(client, message, sizeof(message), 0)), "send");
从哪个函数? – o11c
我编辑帖子以包含错误的行,对不起 – ZamenWolk
你正在使用'client',你应该使用'sock'。 – EJP