int main(void) { int ret; int i = 0 ; int fd, recvfd = 0; int epfd; int data_num =0; char send_data[2048]; struct timeval start, end; struct sockaddr_in addr_in; struct sockaddr_in remote_addr; struct epoll_event event; char recv_buf[2038]; int recv_len; ret = netdpsock_init(NULL); if(ret != 0) printf("init sock ring failed \n"); /* create epoll socket */ epfd = netdpsock_epoll_create(0); if(epfd < 0) { printf("create epoll socket failed \n"); return -1; } fd = netdpsock_socket(AF_INET, SOCK_DGRAM, 0); if(fd < 0) { printf("create socket failed \n"); netdpsock_close(epfd); return -1; } memset(&addr_in, 0, sizeof(addr_in)); addr_in.sin_family = AF_INET; addr_in.sin_port = htons(8888); addr_in.sin_addr.s_addr = htonl(0x02020202); ret = netdpsock_bind(fd, (struct sockaddr *)&addr_in, sizeof(addr_in) ); if(ret != 0) { printf("bind socket failed \n"); netdpsock_close(fd); netdpsock_close(epfd); return -1; } memset(&remote_addr, 0, sizeof(remote_addr)); remote_addr.sin_family = AF_INET; remote_addr.sin_port = htons(9999); remote_addr.sin_addr.s_addr = htonl(0x02020205); event.data.fd = fd; event.events = EPOLLIN | EPOLLET; ret = netdpsock_epoll_ctl(epfd, EPOLL_CTL_ADD, fd, &event); if(ret != 0) { printf("epoll ctl failed \n"); netdpsock_close(fd); netdpsock_close(epfd); return -1; } printf("start dpdk udp application \n"); int event_num = 0; memset(send_data, 0, sizeof(send_data)); while(1) { event_num = netdpsock_epoll_wait (epfd, events, 20, -1); if(event_num <= 0) { printf("epoll_wait failed \n"); continue; } for(i = 0; i < event_num; i++) { if ((events[i].events & EPOLLERR) || (events[i].events & EPOLLHUP) || (!(events[i].events & EPOLLIN))) { printf("dpdk socket(%d) error\n", events[i].data.fd); netdpsock_close (events[i].data.fd); continue; } else if (events[i].events & EPOLLIN) { while(1) { recv_len = netdpsock_recvfrom(events[i].data.fd, recv_buf, 2048, 0, NULL, NULL); if(recv_len > 0) { printf("Recv: %s \n", recv_buf); data_num++; sprintf(send_data, "Hello, linux_udp, num:%d !", data_num); netdpsock_sendto(events[i].data.fd, send_data, strlen(send_data) + 1, 0, (struct sockaddr *)&remote_addr, sizeof(remote_addr)); } else if(recv_len < 0) { if (errno == NETDP_EAGAIN) { break; } else { printf("remote close the socket, errno %d \n", errno); netdpsock_close(events[i].data.fd); break; } } else { printf("remote close the socket, len %d \n", recv_len); netdpsock_close(events[i].data.fd); break; } } } else { printf("unknow event %x, fd:%d \n", events[i].events, events[i].data.fd); } } } netdpsock_close(fd); netdpsock_close(epfd); return 0; }
int main(int argc, char * argv[]) { int ret; int server_sockfd; int client_sockfd; struct sockaddr_in my_addr; struct sockaddr_in remote_addr; int sin_size; u_short port; buf = malloc(1024*1024*100+1); memset(buf, 0, 1024*1024*100); ret = netdpsock_init(NULL); if(ret != 0) printf("init sock failed \n"); printf("input a port number:\n"); scanf("%u", &port); memset(&my_addr,0,sizeof(my_addr)); my_addr.sin_family=AF_INET; my_addr.sin_addr.s_addr=INADDR_ANY; my_addr.sin_port=htons(port); if((server_sockfd=netdpsock_socket(PF_INET,SOCK_STREAM, 0)) < 0) { printf("socket error \n"); return 1; } if (netdpsock_bind(server_sockfd,(struct sockaddr *)&my_addr,sizeof(struct sockaddr)) < 0) { printf("bind error \n"); return 1; } if (netdpsock_listen(server_sockfd, 5) < 0) { printf("listen error \n"); return 1; } sin_size=sizeof(struct sockaddr_in); int epoll_fd; epoll_fd=netdpsock_epoll_create(MAX_EVENTS); if(epoll_fd==-1) { printf("epoll_create failed \n"); netdpsock_close(server_sockfd); return 1; } struct epoll_event ev; struct epoll_event events[MAX_EVENTS]; ev.events=EPOLLIN; ev.data.fd=server_sockfd; if(netdpsock_epoll_ctl(epoll_fd,EPOLL_CTL_ADD,server_sockfd,&ev)==-1) { printf("epll_ctl:server_sockfd register failed"); netdpsock_close(server_sockfd); netdpsock_close(epoll_fd); return 1; } int nfds; printf("dpdk tcp server is running \n"); while(1) { //printf("step.............................7\n"); nfds=netdpsock_epoll_wait(epoll_fd, events, MAX_EVENTS, -1); if(nfds==-1) { printf("start epoll_wait failed \n"); netdpsock_close(server_sockfd); netdpsock_close(epoll_fd); return 1; } else if(nfds == 0) { printf("epoll timeout \n"); continue; } //printf("step.............................8\n"); int i; for(i = 0; i < nfds; i++) { //printf("step.............................9\n"); if(events[i].data.fd==server_sockfd) { if((client_sockfd = netdpsock_accept(server_sockfd, (struct sockaddr *)&remote_addr,&sin_size)) < 0) { printf("accept client_sockfd failed \n"); netdpsock_close(server_sockfd); netdpsock_close(epoll_fd); return 1; } ev.events=EPOLLIN; ev.data.fd=client_sockfd; if(netdpsock_epoll_ctl(epoll_fd, EPOLL_CTL_ADD,client_sockfd,&ev)==-1) { printf("epoll_ctl:client_sockfd register failed \n"); netdpsock_close(server_sockfd); netdpsock_close(epoll_fd); return 1; } printf("accept client %s, family: %d, port %d \n",inet_ntoa(remote_addr.sin_addr), remote_addr.sin_family, remote_addr.sin_port); //netdpsock_send(client_sockfd, "I have received your message.", 20, 0); } else { //printf("step.............................1\n"); ret = dpdk_handle_event(events[i]); //printf("step.............................2\n"); } } } return 0; }
int main(void) { int ret; int i = 0 ; int fd, recvfd = 0; char send_data[2048]; struct timeval start, end; struct sockaddr_in addr_in; struct sockaddr_in remote_addr; int interval; ret = netdpsock_init("dpdk_udp"); if(ret != 0) printf("init sock ring failed \n"); fd = netdpsock_socket(AF_INET, SOCK_DGRAM, 0); if(fd < 0) { printf("create socket failed \n"); return -1; } memset(&addr_in, 0, sizeof(addr_in)); addr_in.sin_family = AF_INET; addr_in.sin_port = htons(8888); addr_in.sin_addr.s_addr = htonl(0x02020202); ret = netdpsock_bind(fd, (struct sockaddr *)&addr_in, sizeof(addr_in) ); if(ret != 0) { printf("bind socket failed \n"); netdpsock_close(fd); return -1; } memset(&remote_addr, 0, sizeof(remote_addr)); remote_addr.sin_family = AF_INET; remote_addr.sin_port = htons(9999); remote_addr.sin_addr.s_addr = htonl(0x02020205); printf("start dpdk udp application \n"); char recv_buf[2038]; int recv_len; while(i < 2000000) { sprintf(send_data, "Hello, linux_udp, num:%d !", i); netdpsock_sendto(fd, send_data, strlen(send_data), 0, (struct sockaddr *)&remote_addr, sizeof(remote_addr)); recv_len = netdpsock_recvfrom(&recvfd, recv_buf, 2048, 0, NULL, NULL); i++; // if((i % 100000) == 0 ) printf("Recv: %s \n", recv_buf); } netdpsock_close(fd); return 0; }