Started the implementation of route_meshlink that at the moment routes packets based...

[meshlink] / src / uml_device.c

diff --git a/src/uml_device.c b/src/uml_device.c
index afdded5ebf83a2b47aa397a4bbb7ba27549d4f65..5193fe98abcd5251d876c64f473d79d995a92114 100644 (file)
--- a/src/uml_device.c
+++ b/src/uml_device.c
@@ -1,7 +1,7 @@
 /*
     device.c -- UML network socket
     Copyright (C) 2002-2005 Ivo Timmermans,
-                  2002-2012 Guus Sliepen <guus@tinc-vpn.org>
+                  2002-2013 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -24,6 +24,7 @@
 
 #include "conf.h"
 #include "device.h"
+#include "names.h"
 #include "net.h"
 #include "logger.h"
 #include "utils.h"
@@ -37,12 +38,6 @@ static int write_fd = -1;
 static int state = 0;
 static char *device_info;
 
-extern char *identname;
-extern volatile bool running;
-
-static uint64_t device_total_in = 0;
-static uint64_t device_total_out = 0;
-
 enum request_type { REQ_NEW_CONTROL };
 
 static struct request {
@@ -73,7 +68,7 @@ static bool setup_device(void) {
 
        if((write_fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0) {
                logger(DEBUG_ALWAYS, LOG_ERR, "Could not open write %s: %s", device_info, strerror(errno));
-               running = false;
+               event_exit();
                return false;
        }
 
@@ -85,13 +80,13 @@ static bool setup_device(void) {
 
        if(fcntl(write_fd, F_SETFL, O_NONBLOCK) < 0) {
                logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "fcntl", strerror(errno));
-               running = false;
+               event_exit();
                return false;
        }
 
        if((data_fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0) {
                logger(DEBUG_ALWAYS, LOG_ERR, "Could not open data %s: %s", device_info, strerror(errno));
-               running = false;
+               event_exit();
                return false;
        }
 
@@ -103,7 +98,7 @@ static bool setup_device(void) {
 
        if(fcntl(data_fd, F_SETFL, O_NONBLOCK) < 0) {
                logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "fcntl", strerror(errno));
-               running = false;
+               event_exit();
                return false;
        }
 
@@ -116,7 +111,7 @@ static bool setup_device(void) {
 
        if(bind(data_fd, (struct sockaddr *)&data_sun, sizeof data_sun) < 0) {
                logger(DEBUG_ALWAYS, LOG_ERR, "Could not bind data %s: %s", device_info, strerror(errno));
-               running = false;
+               event_exit();
                return false;
        }
 
@@ -199,7 +194,7 @@ static bool read_packet(vpn_packet_t *packet) {
 
                        if(fcntl(listen_fd, F_SETFL, O_NONBLOCK) < 0) {
                                logger(DEBUG_ALWAYS, LOG_ERR, "System call `%s' failed: %s", "fcntl", strerror(errno));
-                               running = false;
+                               event_exit();
                                return false;
                        }
 
@@ -215,20 +210,20 @@ static bool read_packet(vpn_packet_t *packet) {
                        if((inlen = read(request_fd, &request, sizeof request)) != sizeof request) {
                                logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading request from %s %s: %s", device_info,
                                           device, strerror(errno));
-                               running = false;
+                               event_exit();
                                return false;
                        }
 
                        if(request.magic != 0xfeedface || request.version != 3 || request.type != REQ_NEW_CONTROL) {
                                logger(DEBUG_ALWAYS, LOG_ERR, "Unknown magic %x, version %d, request type %d from %s %s",
                                                request.magic, request.version, request.type, device_info, device);
-                               running = false;
+                               event_exit();
                                return false;
                        }
 
                        if(connect(write_fd, &request.sock, sizeof request.sock) < 0) {
                                logger(DEBUG_ALWAYS, LOG_ERR, "Could not bind write %s: %s", device_info, strerror(errno));
-                               running = false;
+                               event_exit();
                                return false;
                        }
 
@@ -245,14 +240,12 @@ static bool read_packet(vpn_packet_t *packet) {
                        if((inlen = read(data_fd, packet->data, MTU)) <= 0) {
                                logger(DEBUG_ALWAYS, LOG_ERR, "Error while reading from %s %s: %s", device_info,
                                           device, strerror(errno));
-                               running = false;
+                               event_exit();
                                return false;
                        }
 
                        packet->len = inlen;
 
-                       device_total_in += packet->len;
-
                        logger(DEBUG_TRAFFIC, LOG_DEBUG, "Read packet of %d bytes from %s", packet->len,
                                           device_info);
 
@@ -278,27 +271,18 @@ static bool write_packet(vpn_packet_t *packet) {
        if(write(write_fd, packet->data, packet->len) < 0) {
                if(errno != EINTR && errno != EAGAIN) {
                        logger(DEBUG_ALWAYS, LOG_ERR, "Can't write to %s %s: %s", device_info, device, strerror(errno));
-                       running = false;
+                       event_exit();
                }
 
                return false;
        }
 
-       device_total_out += packet->len;
-
        return true;
 }
 
-static void dump_device_stats(void) {
-       logger(DEBUG_ALWAYS, LOG_DEBUG, "Statistics for %s %s:", device_info, device);
-       logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes in:  %10"PRIu64, device_total_in);
-       logger(DEBUG_ALWAYS, LOG_DEBUG, " total bytes out: %10"PRIu64, device_total_out);
-}
-
 const devops_t uml_devops = {
        .setup = setup_device,
        .close = close_device,
        .read = read_packet,
        .write = write_packet,
-       .dump_stats = dump_device_stats,
 };