redesigned IKE_SA using a transaction mechanism:

removed old state machine
  reimplemented IKE_SA setup and delete
  implemented dead peer detection
  implemented keep-alives
  a lot of fixes
  no rekeying yet

src/charon/queues/send_queue.c

@@ -25,6 +25,7 @@
 #include "send_queue.h"
 
 #include <utils/linked_list.h>
+#include <utils/logger_manager.h>
 
 
 typedef struct private_send_queue_t private_send_queue_t;
@@ -54,8 +55,12 @@ struct private_send_queue_t {
 	 * This condvar is used to wake up such a thread
 	 */
 	pthread_cond_t condvar;
-};
 
+	/**
+	 * Logger reference
+	 */
+	logger_t *logger;
+};
 
 /**
  * implements send_queue_t.get_count
@@ -100,6 +105,14 @@ static packet_t *get(private_send_queue_t *this)
  */
 static void add(private_send_queue_t *this, packet_t *packet)
 {
+	host_t *src, *dst;
+	
+	src = packet->get_source(packet);
+	dst = packet->get_destination(packet);
+	this->logger->log(this->logger, CONTROL, "sending packet: from %s:%d to %s:%d",
+					  src->get_address(src), src->get_port(src),
+					  dst->get_address(dst), dst->get_port(dst));
+	
 	pthread_mutex_lock(&(this->mutex));
 	this->list->insert_last(this->list,packet);
 	pthread_cond_signal( &(this->condvar));
@@ -148,6 +161,7 @@ send_queue_t *send_queue_create(void)
 	this->list = linked_list_create();
 	pthread_mutex_init(&(this->mutex), NULL);
 	pthread_cond_init(&(this->condvar), NULL);
+	this->logger = logger_manager->get_logger(logger_manager, SOCKET);
 
 	return (&this->public);
 }