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Merge remote-tracking branch 'origin/patches-2.0'

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This commit is contained in:
Nick Mathewson 2011-04-04 15:09:47 -04:00
commit ddcca1760f
1 changed files with 43 additions and 6 deletions
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49
http.c
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@ -1022,9 +1022,22 @@ evhttp_read_cb(struct bufferevent *bufev, void *arg)
case EVCON_READING_TRAILER:
evhttp_read_trailer(evcon, req);
break;
case EVCON_IDLE:
{
struct evbuffer *input;
size_t total_len;
input = bufferevent_get_input(evcon->bufev);
total_len = evbuffer_get_length(input);
event_debug(("%s: read %d bytes in EVCON_IDLE state,"
" resetting connection",
__func__, (int)total_len));
evhttp_connection_reset(evcon);
}
break;
case EVCON_DISCONNECTED:
case EVCON_CONNECTING:
case EVCON_IDLE:
case EVCON_WRITING:
default:
event_errx(1, "%s: illegal connection state %d",
@ -1218,6 +1231,8 @@ evhttp_connection_retry(evutil_socket_t fd, short what, void *arg)
static void
evhttp_connection_cb_cleanup(struct evhttp_connection *evcon)
{
struct evcon_requestq requests;
if (evcon->retry_max < 0 || evcon->retry_cnt < evcon->retry_max) {
evtimer_assign(&evcon->retry_ev, evcon->base, evhttp_connection_retry, evcon);
/* XXXX handle failure from evhttp_add_event */
@ -1229,10 +1244,23 @@ evhttp_connection_cb_cleanup(struct evhttp_connection *evcon)
}
evhttp_connection_reset(evcon);
/* for now, we just signal all requests by executing their callbacks */
/*
* User callback can do evhttp_make_request() on the same
* evcon so new request will be added to evcon->requests. To
* avoid freeing it prematurely we iterate over the copy of
* the queue.
*/
TAILQ_INIT(&requests);
while (TAILQ_FIRST(&evcon->requests) != NULL) {
struct evhttp_request *request = TAILQ_FIRST(&evcon->requests);
TAILQ_REMOVE(&evcon->requests, request, next);
TAILQ_INSERT_TAIL(&requests, request, next);
}
/* for now, we just signal all requests by executing their callbacks */
while (TAILQ_FIRST(&requests) != NULL) {
struct evhttp_request *request = TAILQ_FIRST(&requests);
TAILQ_REMOVE(&requests, request, next);
request->evcon = NULL;
/* we might want to set an error here */
@ -2176,11 +2204,20 @@ evhttp_make_request(struct evhttp_connection *evcon,
req->evcon = evcon;
EVUTIL_ASSERT(!(req->flags & EVHTTP_REQ_OWN_CONNECTION));
TAILQ_INSERT_TAIL(&evcon->requests, req, next);
/* If the connection object is not connected; make it so */
if (!evhttp_connected(evcon))
return (evhttp_connection_connect(evcon));
if (!evhttp_connected(evcon)) {
int res = evhttp_connection_connect(evcon);
/*
* Enqueue the request only if we aren't going to
* return failure from evhttp_make_request().
*/
if (res == 0)
TAILQ_INSERT_TAIL(&evcon->requests, req, next);
return res;
}
TAILQ_INSERT_TAIL(&evcon->requests, req, next);
/*
* If it's connected already and we are the first in the queue,