📄 h_send_srv.c
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/* * Copyright (C) 1999-2006 MITSUBISHI ELECTRIC CORPORATION and * RENESAS SOLUTIONS CORPORATION and * RENESAS TECHNOLOGY CORPORATION * All rights reserved. * * TCP/IP Test Application program [API]. */#include <stdio.h>#include <signal.h>#include <ctype.h>#include <errno.h>#include <sys/types.h>#include <sys/socket.h>#include <netinet/in.h>#include <netinet/tcp.h>#include <netdb.h>#include "config.h"extern int errno;int sd, sd2;void sig_hdr(){ /* printf("received SIGINT.\n"); */ shutdown(sd, SHUT_RDWR); if (close(sd) < 0) { printf("close is NG.\n"); exit(1); } printf("close is OK.\n"); shutdown(sd2, SHUT_RDWR); if (close(sd2) < 0) { printf("close2 is NG.\n"); exit(1); } printf("close2 is OK.\n"); exit(0);}/* * TCP server program */main(argc, argv)int argc;char **argv;{ int i, len; struct sockaddr_in sinme, sindst; int tcpopt; char buf[2048]; int addrlen; signal(SIGINT, sig_hdr);printf("for TEST-7\n"); errno = 0; if ((sd = socket(AF_INET, SOCK_STREAM, 0)) < 0) { printf("socket is NG.(errno=%d)\n", errno); exit(1); } printf("socket is OK.\n"); memset((char *)&sinme, 0, sizeof(struct sockaddr_in)); sinme.sin_family = AF_INET; sinme.sin_addr.s_addr = inet_addr(SUN_ADDR); sinme.sin_port = htons(SUN_PORT); if (bind(sd, (struct sockaddr *)&sinme, sizeof(sinme)) < 0) { printf("bind is NG.(errno=%d)\n", errno); close(sd); exit(1); } printf("bind is OK.\n"); if (listen(sd, 5) < 0) { printf("listen is NG.(errno=%d)\n", errno); close(sd); exit(1); } printf("listen is OK.\n"); addrlen = sizeof(sindst); if ((sd2 = accept(sd, (struct sockaddr *)&sindst, &addrlen)) < 0) { printf("accept is NG.(errno=%d)\n", errno); close(sd); exit(1); } printf("accept is OK.\n"); while ((len = recv(sd2, buf, sizeof(buf), 0)) > 0) { printf("recv is OK.(size=%d)\n", len); } if (len < 0) { printf("recv is NG.(errno=%d)\n", errno); } shutdown(sd, SHUT_RDWR); if (shutdown(sd2, SHUT_RDWR) < 0) { printf("shutdown is NG.(errno=%d)\n", errno); } printf("shutdown is OK.\n"); close(sd); if (close(sd2) < 0) { printf("close is NG.(errno=%d)\n", errno); } printf("close is OK.\n\n"); sleep(2); exit(0);}/* EOF */
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