79 lines
2.8 KiB
C
79 lines
2.8 KiB
C
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <memory.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <iostream>
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#include <pthread.h>
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using namespace std;
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#define server1_file "/tmp/criu/ipc_server1.sock"
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#define client1_file "/tmp/criu/ipc_client1.sock"
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#define server2_file "/tmp/criu/ipc_server2.sock"
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#define client2_file "/tmp/criu/ipc_client2.sock"
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// Global var for unix socket udp；
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int socket_fd_server_1;
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int socket_fd_server_2;
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int socket_fd_client_1;
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int socket_fd_client_2;
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struct sockaddr_un server_addr1;
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struct sockaddr_un server_addr2;
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struct sockaddr_un client_addr1;
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struct sockaddr_un client_addr2;
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socklen_t server_addr_len1;
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socklen_t server_addr_len2;
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socklen_t client_addr_len1;
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socklen_t client_addr_len2;
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void init_socket()
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{
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memset(&server_addr1,0,sizeof(server_addr1));
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memset(&server_addr2,0,sizeof(server_addr2));
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server_addr1.sun_family = AF_UNIX;
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server_addr2.sun_family = AF_UNIX;
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strcpy(server_addr1.sun_path,server1_file);
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strcpy(server_addr2.sun_path,server2_file);
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server_addr_len1 = sizeof(server_addr1);
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server_addr_len2 = sizeof(server_addr2);
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}
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ssize_t ipc_udp_server_recv(int __fd, void *__restrict__ __buf, size_t __n, int __flags)
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{
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client_addr_len1 = sizeof(client_addr1);
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client_addr_len2 = sizeof(client_addr2);
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if(socket_fd_server_1 == __fd)
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return recvfrom(__fd, __buf, __n, __flags, (sockaddr*)&client_addr1, &client_addr_len1);
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else if(socket_fd_server_2 == __fd)
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return recvfrom(__fd, __buf, __n, __flags, (sockaddr*)&client_addr2, &client_addr_len2);
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else
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return -1;
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}
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ssize_t ipc_udp_server_send(int __fd, void *__restrict__ __buf, size_t __n, int __flags)
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{
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if(socket_fd_server_1 == __fd)
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return sendto(__fd, __buf, __n, __flags, (sockaddr*)&client_addr1, client_addr_len1);
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else if(socket_fd_server_2 == __fd)
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return sendto(__fd, __buf, __n, __flags, (sockaddr*)&client_addr2, client_addr_len2);
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else
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return -1;
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}
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ssize_t ipc_udp_client_send(int __fd, void *__restrict__ __buf, size_t __n, int __flags)
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{
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if(socket_fd_client_1 == __fd)
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return sendto(__fd, __buf, __n, __flags, (sockaddr*)&server_addr1, server_addr_len1);
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else if(socket_fd_client_2 == __fd)
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return sendto(__fd, __buf, __n, __flags, (sockaddr*)&server_addr2, server_addr_len2);
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else
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return -1;
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}
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ssize_t ipc_udp_client_recv(int __fd, void *__restrict__ __buf, size_t __n, int __flags)
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{
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if(socket_fd_client_1 == __fd)
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return recvfrom(__fd, __buf, __n, __flags, (sockaddr*)&server_addr1, &server_addr_len1);
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else if(socket_fd_client_2 == __fd)
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return recvfrom(__fd, __buf, __n, __flags, (sockaddr*)&server_addr2, &server_addr_len2);
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else
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return -1;
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}
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