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[GNUnet-SVN] r25024 - gnunet/src/transport
From: |
gnunet |
Subject: |
[GNUnet-SVN] r25024 - gnunet/src/transport |
Date: |
Fri, 16 Nov 2012 18:20:01 +0100 |
Author: grothoff
Date: 2012-11-16 18:20:01 +0100 (Fri, 16 Nov 2012)
New Revision: 25024
Modified:
gnunet/src/transport/gnunet-transport-wlan-sender.c
Log:
-fix
Modified: gnunet/src/transport/gnunet-transport-wlan-sender.c
===================================================================
--- gnunet/src/transport/gnunet-transport-wlan-sender.c 2012-11-16 17:15:42 UTC
(rev 25023)
+++ gnunet/src/transport/gnunet-transport-wlan-sender.c 2012-11-16 17:20:01 UTC
(rev 25024)
@@ -101,6 +101,7 @@
unsigned int temp[6];
struct GNUNET_TRANSPORT_WLAN_MacAddress inmac;
struct GNUNET_TRANSPORT_WLAN_MacAddress outmac;
+ struct GNUNET_TRANSPORT_WLAN_MacAddress mac;
unsigned long long count;
double bytes_per_s;
time_t start;
@@ -142,6 +143,7 @@
pid_t pid;
int commpipe[2]; /* This holds the fd for the input & output of
the pipe */
+ int macpipe[2]; /* This holds the fd for the input & output of
the pipe */
/* Setup communication pipeline first */
if (pipe (commpipe))
@@ -151,6 +153,13 @@
STRERROR (errno));
exit (1);
}
+ if (pipe (macpipe))
+ {
+ fprintf (stderr,
+ "Failed to create pipe: %s\n",
+ STRERROR (errno));
+ exit (1);
+ }
/* Attempt to fork and check for errors */
if ((pid = fork ()) == -1)
@@ -169,7 +178,17 @@
strerror (errno));
setvbuf (stdout, (char *) NULL, _IONBF, 0); /* Set non-buffered output on
stdout */
-
+ if (0 != close (macpipe[1]))
+ fprintf (stderr,
+ "Failed to close fd: %s\n",
+ strerror (errno));
+ if (sizeof (mac) != read (macpipe[0], &mac, sizeof (mac)))
+ fprintf (stderr,
+ "Failed to read mac...\n");
+ fprintf (stderr,
+ "Got mac %.2X:%.2X:%.2X:%.2X:%.2X:%.2X\n",
+ mac.mac[0], mac.mac[1],
+ mac.mac[2], mac.mac[3], mac.mac[4], mac.mac[5]);
radiotap = (struct GNUNET_TRANSPORT_WLAN_RadiotapSendMessage *) msg_buf;
getRadiotapHeader (radiotap, WLAN_MTU);
getWlanHeader (&radiotap->frame, &outmac, &inmac,
@@ -200,9 +219,13 @@
{
/* A zero PID indicates that this is the child process */
(void) close (0);
+ (void) close (1);
if (-1 == dup2 (commpipe[0], 0)) /* Replace stdin with the in side of
the pipe */
fprintf (stderr, "dup2 failed: %s\n", strerror (errno));
+ if (-1 == dup2 (macpipe[1], 1)) /* Replace stdout with the out side of
the pipe */
+ fprintf (stderr, "dup2 failed: %s\n", strerror (errno));
(void) close (commpipe[1]); /* Close unused side of pipe (out side) */
+ (void) close (macpipe[0]); /* Close unused side of pipe (in side) */
/* Replace the child fork with a new process */
if (execlp
("gnunet-helper-transport-wlan", "gnunet-helper-transport-wlan",
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