#include "unp.h" void str_cli(FILE *fp, int sockfd) { int maxfdp1, stdineof = 0; fd_set rset; char sendline[MAXLINE], recvline[MAXLINE]; FD_ZERO(&rset); for ( ; ; ) { if (stdineof == 0) FD_SET(fileno(fp), &rset); FD_SET(sockfd, &rset); maxfdp1 = max(fileno(fp), sockfd) + 1; Select(maxfdp1, &rset, NULL, NULL, NULL); if (FD_ISSET(sockfd, &rset)) { /* socket is readable */ if (Readline(sockfd, recvline, MAXLINE) == 0) { if (stdineof == 1) return; /* normal termination */ else err_quit("str_cli: server terminated prematurely"); } Fputs(recvline, stdout); } if (FD_ISSET(fileno(fp), &rset)) { /* input is readable */ if (Fgets(sendline, MAXLINE, fp) == NULL) { stdineof = 1; Shutdown(sockfd, SHUT_WR); /* send FIN */ FD_CLR(fileno(fp), &rset); continue; } Writen(sockfd, sendline, strlen(sendline)); } } }