X-Git-Url: https://gapil.gnulinux.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=sources%2FTCP_echod.c;h=576c47f2069ac3d03bcd2b177af409d20f9c9bdb;hb=12b230ea57ff3a54a12d4e2226e3901a2345fb63;hp=08d926f5d462b700d0888e754472a8e8546013d2;hpb=dc185040ca2e11aa51540bca530914f6bc11619d;p=gapil.git diff --git a/sources/TCP_echod.c b/sources/TCP_echod.c index 08d926f..576c47f 100644 --- a/sources/TCP_echod.c +++ b/sources/TCP_echod.c @@ -26,7 +26,7 @@ * * Usage: echod -h give all info * - * $Id: TCP_echod.c,v 1.4 2003/06/18 21:19:24 piccardi Exp $ + * $Id: TCP_echod.c,v 1.7 2003/06/19 14:18:27 piccardi Exp $ * ****************************************************************/ /* @@ -58,9 +58,11 @@ int main(int argc, char *argv[]) * Variables definition */ int list_fd, conn_fd; - int waiting; + int waiting = 0; pid_t pid; - struct sockaddr_in serv_add; + struct sockaddr_in serv_add, cli_add; + socklen_t len; + char debug[MAXLINE], ipaddr[20]; /* * Input section: decode parameters passed in the calling * Use getopt function @@ -142,12 +144,21 @@ int main(int argc, char *argv[]) /* handle echo to client */ while (1) { /* accept connection */ - while (((conn_fd = accept(list_fd, NULL, NULL)) < 0) - && (errno == EINTR)); + while (((conn_fd = accept(list_fd, (struct sockaddr *)&cli_add, &len)) + < 0) && (errno == EINTR)); if ( conn_fd < 0) { PrintErr("accept error"); exit(1); } + if (debugging) { + inet_ntop(AF_INET, &cli_add.sin_addr, ipaddr, sizeof(ipaddr)); + snprintf(debug, MAXLINE, "Accepted connection form %s\n", ipaddr); + if (demonize) { + syslog(LOG_DEBUG, debug); + } else { + printf("%s", debug); + } + } /* fork to handle connection */ if ( (pid = fork()) < 0 ){ PrintErr("fork error"); @@ -172,8 +183,9 @@ void usage(void) { printf("Usage:\n"); printf(" echod [-h] \n"); printf(" -h print this help\n"); - printf(" -d print debug info\n"); + printf(" -d write debug info\n"); printf(" -i use interactively\n"); + printf(" -w N wait N sec. before calling accept\n"); exit(1); } /* @@ -190,7 +202,7 @@ void ServEcho(int sockfd) { if (debugging) { buffer[nread] = 0; snprintf(debug, MAXLINE+20, "Letti %d byte, %s", nread, buffer); - if (demonize) { /* go daemon */ + if (demonize) { /* daemon mode */ syslog(LOG_DEBUG, debug); } else { printf("%s", debug); @@ -203,7 +215,7 @@ void ServEcho(int sockfd) { * routine to print error on stout or syslog */ void PrintErr(char * error) { - if (demonize) { /* go daemon */ + if (demonize) { /* daemon mode */ syslog(LOG_ERR, error); } else { perror(error);