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Diffstat (limited to 'src/libcharon/network/sender.c')
-rw-r--r--src/libcharon/network/sender.c60
1 files changed, 39 insertions, 21 deletions
diff --git a/src/libcharon/network/sender.c b/src/libcharon/network/sender.c
index 4df930b15..059f24b39 100644
--- a/src/libcharon/network/sender.c
+++ b/src/libcharon/network/sender.c
@@ -1,4 +1,5 @@
/*
+ * Copyright (C) 2012 Tobias Brunner
* Copyright (C) 2005-2006 Martin Willi
* Copyright (C) 2005 Jan Hutter
* Hochschule fuer Technik Rapperswil
@@ -39,11 +40,6 @@ struct private_sender_t {
sender_t public;
/**
- * Sender threads job.
- */
- callback_job_t *job;
-
- /**
* The packets are stored in a linked list
*/
linked_list_t *list;
@@ -84,11 +80,21 @@ struct private_sender_t {
bool send_delay_response;
};
+METHOD(sender_t, send_no_marker, void,
+ private_sender_t *this, packet_t *packet)
+{
+ this->mutex->lock(this->mutex);
+ this->list->insert_last(this->list, packet);
+ this->got->signal(this->got);
+ this->mutex->unlock(this->mutex);
+}
+
METHOD(sender_t, send_, void,
private_sender_t *this, packet_t *packet)
{
host_t *src, *dst;
+ /* if neither source nor destination port is 500 we add a Non-ESP marker */
src = packet->get_source(packet);
dst = packet->get_destination(packet);
DBG1(DBG_NET, "sending packet: from %#H to %#H", src, dst);
@@ -114,16 +120,22 @@ METHOD(sender_t, send_, void,
message->destroy(message);
}
- this->mutex->lock(this->mutex);
- this->list->insert_last(this->list, packet);
- this->got->signal(this->got);
- this->mutex->unlock(this->mutex);
+ if (dst->get_port(dst) != IKEV2_UDP_PORT &&
+ src->get_port(src) != IKEV2_UDP_PORT)
+ {
+ chunk_t data, marker = chunk_from_chars(0x00, 0x00, 0x00, 0x00);
+
+ data = chunk_cat("cc", marker, packet->get_data(packet));
+ packet->set_data(packet, data);
+ }
+
+ send_no_marker(this, packet);
}
/**
* Job callback function to send packets
*/
-static job_requeue_t send_packets(private_sender_t * this)
+static job_requeue_t send_packets(private_sender_t *this)
{
packet_t *packet;
bool oldstate;
@@ -149,7 +161,7 @@ static job_requeue_t send_packets(private_sender_t * this)
return JOB_REQUEUE_DIRECT;
}
-METHOD(sender_t, destroy, void,
+METHOD(sender_t, flush, void,
private_sender_t *this)
{
/* send all packets in the queue */
@@ -159,8 +171,12 @@ METHOD(sender_t, destroy, void,
this->sent->wait(this->sent, this->mutex);
}
this->mutex->unlock(this->mutex);
- this->job->cancel(this->job);
- this->list->destroy(this->list);
+}
+
+METHOD(sender_t, destroy, void,
+ private_sender_t *this)
+{
+ this->list->destroy_offset(this->list, offsetof(packet_t, destroy));
this->got->destroy(this->got);
this->sent->destroy(this->sent);
this->mutex->destroy(this->mutex);
@@ -177,25 +193,27 @@ sender_t * sender_create()
INIT(this,
.public = {
.send = _send_,
+ .send_no_marker = _send_no_marker,
+ .flush = _flush,
.destroy = _destroy,
},
.list = linked_list_create(),
.mutex = mutex_create(MUTEX_TYPE_DEFAULT),
.got = condvar_create(CONDVAR_TYPE_DEFAULT),
.sent = condvar_create(CONDVAR_TYPE_DEFAULT),
- .job = callback_job_create_with_prio((callback_job_cb_t)send_packets,
- this, NULL, NULL, JOB_PRIO_CRITICAL),
.send_delay = lib->settings->get_int(lib->settings,
- "charon.send_delay", 0),
+ "%s.send_delay", 0, charon->name),
.send_delay_type = lib->settings->get_int(lib->settings,
- "charon.send_delay_type", 0),
+ "%s.send_delay_type", 0, charon->name),
.send_delay_request = lib->settings->get_bool(lib->settings,
- "charon.send_delay_request", TRUE),
- .send_delay_response = lib->settings->get_int(lib->settings,
- "charon.send_delay_response", TRUE),
+ "%s.send_delay_request", TRUE, charon->name),
+ .send_delay_response = lib->settings->get_bool(lib->settings,
+ "%s.send_delay_response", TRUE, charon->name),
);
- lib->processor->queue_job(lib->processor, (job_t*)this->job);
+ lib->processor->queue_job(lib->processor,
+ (job_t*)callback_job_create_with_prio((callback_job_cb_t)send_packets,
+ this, NULL, (callback_job_cancel_t)return_false, JOB_PRIO_CRITICAL));
return &this->public;
}