#include "unp.h"## 1 ##src/oob/tcprecv03p.c## int## 2 ##src/oob/tcprecv03p.c## main(int argc, char **argv)## 3 ##src/oob/tcprecv03p.c## {## 4 ##src/oob/tcprecv03p.c## int listenfd, connfd, n, justreadoob = 0;## 5 ##src/oob/tcprecv03p.c## char buff[100];## 6 ##src/oob/tcprecv03p.c## struct pollfd pollfd[1];## 7 ##src/oob/tcprecv03p.c## if (argc == 2)## 8 ##src/oob/tcprecv03p.c## listenfd = Tcp_listen(NULL, argv[1], NULL);## 9 ##src/oob/tcprecv03p.c## else if (argc == 3)## 10 ##src/oob/tcprecv03p.c## listenfd = Tcp_listen(argv[1], argv[2], NULL);## 11 ##src/oob/tcprecv03p.c## else## 12 ##src/oob/tcprecv03p.c## err_quit("usage: tcprecv03p [ ] ");## 13 ##src/oob/tcprecv03p.c## connfd = Accept(listenfd, NULL, NULL);## 14 ##src/oob/tcprecv03p.c## pollfd[0].fd = connfd;## 15 ##src/oob/tcprecv03p.c## pollfd[0].events = POLLRDNORM;## 16 ##src/oob/tcprecv03p.c## for (;;) {## 17 ##src/oob/tcprecv03p.c## if (justreadoob == 0)## 18 ##src/oob/tcprecv03p.c## pollfd[0].events |= POLLRDBAND;## 19 ##src/oob/tcprecv03p.c## Poll(pollfd, 1, INFTIM);## 20 ##src/oob/tcprecv03p.c## if (pollfd[0].revents & POLLRDBAND) {## 21 ##src/oob/tcprecv03p.c## n = Recv(connfd, buff, sizeof(buff) - 1, MSG_OOB);## 22 ##src/oob/tcprecv03p.c## buff[n] = 0; /* null terminate */## 23 ##src/oob/tcprecv03p.c## printf("read %d OOB byte: %s\n", n, buff);## 24 ##src/oob/tcprecv03p.c## justreadoob = 1;## 25 ##src/oob/tcprecv03p.c## pollfd[0].events &= ~POLLRDBAND; /* turn bit off */## 26 ##src/oob/tcprecv03p.c## }## 27 ##src/oob/tcprecv03p.c## if (pollfd[0].revents & POLLRDNORM) {## 28 ##src/oob/tcprecv03p.c## if ((n = Read(connfd, buff, sizeof(buff) - 1)) == 0) {## 29 ##src/oob/tcprecv03p.c## printf("received EOF\n");## 30 ##src/oob/tcprecv03p.c## exit(0);## 31 ##src/oob/tcprecv03p.c## }## 32 ##src/oob/tcprecv03p.c## buff[n] = 0; /* null terminate */## 33 ##src/oob/tcprecv03p.c## printf("read %d bytes: %s\n", n, buff);## 34 ##src/oob/tcprecv03p.c## justreadoob = 0;## 35 ##src/oob/tcprecv03p.c## }## 36 ##src/oob/tcprecv03p.c## }## 37 ##src/oob/tcprecv03p.c## }## 38 ##src/oob/tcprecv03p.c##