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Added simple conditional packet receive delay

This commit is contained in:
Martin Willi 2010-05-18 12:21:05 +02:00
parent 45def2147b
commit d235274486
1 changed files with 38 additions and 9 deletions
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47
src/libcharon/network/receiver.c
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@ -103,7 +103,22 @@ struct private_receiver_t {
/**
* Delay for receiving incoming packets, to simulate larger RTT
*/
u_int receive_delay;
int receive_delay;
/**
* Specific message type to delay, 0 for any
*/
int receive_delay_type;
/**
* Delay request messages?
*/
bool receive_delay_request;
/**
* Delay response messages?
*/
bool receive_delay_response;
};
/**
@ -259,7 +274,6 @@ static job_requeue_t receive_packets(private_receiver_t *this)
{
packet_t *packet;
message_t *message;
job_t *job;
/* read in a packet */
if (charon->socket->receive(charon->socket, &packet) != SUCCESS)
@ -329,16 +343,25 @@ static job_requeue_t receive_packets(private_receiver_t *this)
return JOB_REQUEUE_DIRECT;
}
}
job = (job_t*)process_message_job_create(message);
if (this->receive_delay)
{
charon->scheduler->schedule_job_ms(charon->scheduler,
job, this->receive_delay);
}
else
{
charon->processor->queue_job(charon->processor, job);
if (this->receive_delay_type == 0 ||
this->receive_delay_type == message->get_exchange_type(message))
{
if ((message->get_request(message) && this->receive_delay_request) ||
(!message->get_request(message) && this->receive_delay_response))
{
DBG1(DBG_NET, "using receive delay: %dms",
this->receive_delay);
charon->scheduler->schedule_job_ms(charon->scheduler,
(job_t*)process_message_job_create(message),
this->receive_delay);
return JOB_REQUEUE_DIRECT;
}
}
}
charon->processor->queue_job(charon->processor,
(job_t*)process_message_job_create(message));
return JOB_REQUEUE_DIRECT;
}
@ -374,6 +397,12 @@ receiver_t *receiver_create()
}
this->receive_delay = lib->settings->get_int(lib->settings,
"charon.receive_delay", 0);
this->receive_delay_type = lib->settings->get_int(lib->settings,
"charon.receive_delay_type", 0),
this->receive_delay_request = lib->settings->get_bool(lib->settings,
"charon.receive_delay_request", TRUE),
this->receive_delay_response = lib->settings->get_int(lib->settings,
"charon.receive_delay_response", TRUE),
this->hasher = lib->crypto->create_hasher(lib->crypto, HASH_PREFERRED);
if (this->hasher == NULL)