X-Git-Url: https://gapil.gnulinux.it/gitweb/?p=gapil.git;a=blobdiff_plain;f=sources%2FTCP_echo.c;h=f60c518233c4d2e399d9fcc7357c74319a5b571b;hp=57d61840120e90adc83a046a274b62e4a3f1a9a4;hb=8654ce33b450ae7bb34c3907835000a0760c2931;hpb=af73295172df06a6a91edc4c206b6e5633c566f6

diff --git a/sources/TCP_echo.c b/sources/TCP_echo.c
index 57d6184..f60c518 100644
--- a/sources/TCP_echo.c
+++ b/sources/TCP_echo.c
@@ -26,7 +26,7 @@
  *
  * Usage: echo -h give all info's
  *
- * $Id: TCP_echo.c,v 1.10 2003/10/19 10:38:27 piccardi Exp $
+ * $Id: TCP_echo.c,v 1.11 2003/10/20 22:44:16 piccardi Exp $
  *
  ****************************************************************/
 /* 
@@ -40,6 +40,7 @@
 #include <errno.h>	 /* include error codes */
 #include <string.h>	 /* include erroro strings definitions */
 
+#include "Gapil.h"
 #include "macros.h"
 
 #define MAXLINE 256
@@ -55,7 +56,6 @@ int main(int argc, char *argv[])
  */
     int sock, i;
     int reset = 0;
-    struct sockaddr_in serv_add;
     struct linger ling;
     /*
      * Input section: decode parameters passed in the calling 
@@ -89,23 +89,9 @@ int main(int argc, char *argv[])
      *		      Main code beginning
      * 
      * ***********************************************************/
-    /* create socket */
-    if ( (sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
-	perror("Socket creation error");
-	return 1;
-    }
-    /* initialize address */
-    memset((void *) &serv_add, 0, sizeof(serv_add)); /* clear server address */
-    serv_add.sin_family = AF_INET;                   /* address type is INET */
-    serv_add.sin_port = htons(7);                    /* echo port is 7 */
-    /* build address using inet_pton */
-    if ( (inet_pton(AF_INET, argv[optind], &serv_add.sin_addr)) <= 0) {
-	perror("Address creation error");
-	return 1;
-    }
-    /* extablish connection */
-    if (connect(sock, (struct sockaddr *)&serv_add, sizeof(serv_add)) < 0) {
-	perror("Connection error");
+    /* call sockaddr to get a connected socket */
+    if ( (sock = sockconn(argv[optind], "echo", 6, SOCK_STREAM)) < 0) {
+	if (errno) perror("Socket creation error");
 	return 1;
     }
     /* check if resetting on close is required */
@@ -142,16 +128,21 @@ void ClientEcho(FILE * filein, int socket)
     int nread, nwrite; 
     int maxfd;
     fd_set fset;
+    int eof = 0;
     /* initialize file descriptor set */
     FD_ZERO(&fset);
     maxfd = max(fileno(filein), socket) + 1;
     while (1) {
 	FD_SET(socket, &fset);         /* set for the socket */
-	FD_SET(fileno(filein), &fset); /* set for the standard input */
+	if (eof == 0) {
+	    FD_SET(fileno(filein), &fset); /* set for the standard input */
+	}
 	select(maxfd, &fset, NULL, NULL, NULL); /* wait for read ready */
 	if (FD_ISSET(fileno(filein), &fset)) {  /* if ready on stdin */
 	    if (fgets(sendbuff, MAXLINE, filein) == NULL) { /* if no input */
-		return;                /* we stopped client */
+		eof = 1;               /* EOF on input */
+		shutdown(socket, SHUT_WR);      /* close write half */
+		FD_CLR(fileno(filein), &fset);  /* no more interest on stdin */
 	    } else {                   /* else we have to write to socket */
 		nwrite = FullWrite(socket, sendbuff, strlen(sendbuff)); 
 		if (nwrite < 0) {      /* on error stop */
@@ -167,8 +158,12 @@ void ClientEcho(FILE * filein, int socket)
 		return;
 	    }
 	    if (nread == 0) { /* server closed connection, stop */
-		printf("EOF sul socket\n");
-		return;
+		if (eof == 1) {
+		    return;
+		} else {
+		    printf("EOF prematuro sul socket\n");
+		    return;
+		}
 	    }
 	    recvbuff[nread] = 0;   /* else read is ok, write on stdout */
 	    if (fputs(recvbuff, stdout) == EOF) {