97 lines
1.9 KiB
C++
97 lines
1.9 KiB
C++
/*************************************************************************
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> File Name: udpserver.cpp
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> Author: TianLun Song
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> Mail: songtianlun@frytea.com
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> Blog: https://blog.frytea.com
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> Created Time: Wed 13 Jan 2021 09:53:06 AM CST
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************************************************************************/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <stdio.h>
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#include <sys/un.h>
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#include <iostream>
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#include <unistd.h>
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using namespace std;
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char* server_file = "server.sock";
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int main(int argc,char** argv)
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{
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int fd = socket(AF_UNIX,SOCK_DGRAM,0);
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if (fd < 0)
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{
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perror("socket");
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return -1;
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}
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struct sockaddr_un addr;
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memset(&addr,0,sizeof(addr));
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addr.sun_family = AF_UNIX;
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strcpy(addr.sun_path,server_file);
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if (access(addr.sun_path,0) != -1)
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{
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remove(addr.sun_path);
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}
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if(bind(fd,(sockaddr*)&addr,sizeof(addr)) < 0)
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{
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perror("bind");
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return -1;
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}
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struct sockaddr_un clientaddr;
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socklen_t len = sizeof(clientaddr);
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char msgrecv[1024];
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while (1)
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{
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memset(msgrecv,'\0',1024);
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int size = recvfrom(fd,msgrecv,sizeof(msgrecv),0,(sockaddr*)&clientaddr,&len);
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if (size < 0)
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{
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perror("recv");
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return -1;
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}
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cout << "I'm server,receive a msg: " << msgrecv << " from: " << clientaddr.sun_path << endl;
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if (strncmp("quit",msgrecv,4) == 0)
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{
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cout << "Server is exiting!" << endl;
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break;
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}
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char *p = "OK,I got id!";
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int ssize = sendto(fd,p,strlen(p),0,(sockaddr*)&clientaddr,len);
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if (ssize < 0)
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{
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perror("sendto");
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return -1;
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}
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sleep(1);
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}
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if (close(fd) < 0)
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{
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perror("close");
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return -1;
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}
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return 0;
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}
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