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Update: Added a fast lane for client requests with a small body

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This commit is contained in:
Philipp Schafft 2018-06-19 08:08:39 +00:00
parent 59cf2ff426
commit 7e76986741
1 changed files with 59 additions and 25 deletions
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84
src/connection.c
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@ -613,6 +613,42 @@ static void _add_body_client(client_queue_t *node)
thread_spin_unlock(&_connection_lock);
}
static client_slurp_result_t process_request_body_queue_one(client_queue_t *node, time_t timeout, size_t body_size_limit)
{
client_t *client = node->client;
client_slurp_result_t res;
if (client->parser->req_type == httpp_req_post) {
if (node->bodybuffer == NULL && client->request_body_read == 0) {
if (client->request_body_length < 0) {
node->bodybufferlen = body_size_limit;
node->bodybuffer = malloc(node->bodybufferlen);
} else if (client->request_body_length <= (ssize_t)body_size_limit) {
node->bodybufferlen = client->request_body_length;
node->bodybuffer = malloc(node->bodybufferlen);
}
}
}
if (node->bodybuffer) {
res = client_body_slurp(client, node->bodybuffer, &(node->bodybufferlen));
if (res == CLIENT_SLURP_SUCCESS) {
httpp_parse_postdata(client->parser, node->bodybuffer, node->bodybufferlen);
free(node->bodybuffer);
node->bodybuffer = NULL;
}
} else {
res = client_body_skip(client);
}
if (res != CLIENT_SLURP_SUCCESS) {
if (client->con->con_time <= timeout || client->request_body_read >= body_size_limit) {
return CLIENT_SLURP_ERROR;
}
}
return res;
}
/* This queue reads data from the body of clients. */
static void process_request_body_queue (void)
@ -640,30 +676,9 @@ static void process_request_body_queue (void)
ICECAST_LOG_DEBUG("Got client %p in body queue.", client);
if (client->parser->req_type == httpp_req_post) {
if (node->bodybuffer == NULL && client->request_body_read == 0) {
if (client->request_body_length < 0) {
node->bodybufferlen = body_size_limit;
node->bodybuffer = malloc(node->bodybufferlen);
} else if (client->request_body_length <= (ssize_t)body_size_limit) {
node->bodybufferlen = client->request_body_length;
node->bodybuffer = malloc(node->bodybufferlen);
}
}
}
res = process_request_body_queue_one(node, timeout, body_size_limit);
if (node->bodybuffer) {
res = client_body_slurp(client, node->bodybuffer, &(node->bodybufferlen));
if (res == CLIENT_SLURP_SUCCESS) {
httpp_parse_postdata(client->parser, node->bodybuffer, node->bodybufferlen);
free(node->bodybuffer);
node->bodybuffer = NULL;
}
} else {
res = client_body_skip(client);
}
if (res != CLIENT_SLURP_NEEDS_MORE_DATA || client->con->con_time <= timeout || client->request_body_read >= body_size_limit) {
if (res != CLIENT_SLURP_NEEDS_MORE_DATA) {
ICECAST_LOG_DEBUG("Putting client %p back in connection queue.", client);
if ((client_queue_t **)_body_queue_tail == &(node->next))
@ -1619,8 +1634,27 @@ static void _handle_connection(void)
/* early check if we need more data */
_update_client_request_body_length(client);
if (_need_body(node)) {
_add_body_client(node);
continue;
/* Just calling _add_body_client() would do the job.
* However, if the client only has a small body this might work without moving it between queues.
* -> much faster.
*/
client_slurp_result_t res;
ice_config_t *config;
time_t timeout;
size_t body_size_limit;
config = config_get_config();
timeout = time(NULL) - config->body_timeout;
body_size_limit = config->body_size_limit;
config_release_config();
res = process_request_body_queue_one(node, timeout, body_size_limit);
if (res != CLIENT_SLURP_SUCCESS) {
_add_body_client(node);
continue;
} else {
ICECAST_LOG_DEBUG("Success on fast lane");
}
}
rawuri = httpp_getvar(parser, HTTPP_VAR_URI);