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from dug song:

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the original code failed in the case of a large single client
request+body write - for instance, over loopback (with a larger MTU
exceeding EVBUFFER_MAX_READ).



svn:r307
This commit is contained in:
Niels Provos 2007-01-04 18:05:17 +00:00
parent 0db257b828
commit ba8289bea5
1 changed files with 37 additions and 37 deletions
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74
http.c
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@ -125,6 +125,7 @@ static void evhttp_connection_stop_detectclose(
struct evhttp_connection *evcon);
static void evhttp_request_dispatch(struct evhttp_connection* evcon);
void evhttp_read(int, short, void *);
void evhttp_write(int, short, void *);
#ifndef HAVE_STRSEP
@ -625,6 +626,40 @@ evhttp_handle_chunked_read(struct evhttp_request *req, struct evbuffer *buf)
return (0);
}
void
evhttp_read_body(struct evhttp_connection *evcon, struct evhttp_request *req)
{
struct evbuffer *buf = evcon->input_buffer;
if (req->chunked) {
int res = evhttp_handle_chunked_read(req, buf);
if (res == 1) {
/* finished last chunk */
evhttp_connection_done(evcon);
return;
} else if (res == -1) {
/* corrupted data */
evhttp_connection_fail(evcon,
EVCON_HTTP_INVALID_HEADER);
return;
}
} else if (req->ntoread < 0) {
/* Read until connection close. */
evbuffer_add_buffer(req->input_buffer, buf);
} else if (EVBUFFER_LENGTH(buf) >= req->ntoread) {
/* Completed content length */
evbuffer_add(req->input_buffer, EVBUFFER_DATA(buf),
req->ntoread);
evbuffer_drain(buf, req->ntoread);
req->ntoread = 0;
evhttp_connection_done(evcon);
return;
}
/* Read more! */
event_set(&evcon->ev, evcon->fd, EV_READ, evhttp_read, evcon);
evhttp_add_event(&evcon->ev, evcon->timeout, HTTP_READ_TIMEOUT);
}
/*
* Reads data into a buffer structure until no more data
* can be read on the file descriptor or we have read all
@ -657,32 +692,7 @@ evhttp_read(int fd, short what, void *arg)
evhttp_connection_done(evcon);
return;
}
if (req->chunked) {
int res = evhttp_handle_chunked_read(req, buf);
if (res == 1) {
/* finished last chunk */
evhttp_connection_done(evcon);
return;
} else if (res == -1) {
/* corrupted data */
evhttp_connection_fail(evcon,
EVCON_HTTP_INVALID_HEADER);
return;
}
} else if (req->ntoread < 0) {
/* Read until connection close. */
evbuffer_add_buffer(req->input_buffer, buf);
} else if (len >= req->ntoread) {
/* Completed content length */
evbuffer_add(req->input_buffer, EVBUFFER_DATA(buf),
req->ntoread);
evbuffer_drain(buf, req->ntoread);
req->ntoread = 0;
evhttp_connection_done(evcon);
return;
}
/* Read more! */
evhttp_add_event(&evcon->ev, evcon->timeout, HTTP_READ_TIMEOUT);
evhttp_read_body(evcon, req);
}
void
@ -1202,18 +1212,8 @@ evhttp_get_body(struct evhttp_connection *evcon, struct evhttp_request *req)
EVCON_HTTP_INVALID_HEADER);
return;
}
if (req->ntoread > 0)
req->ntoread -= EVBUFFER_LENGTH(evcon->input_buffer);
if (req->ntoread == 0) {
evbuffer_add_buffer(req->input_buffer,
evcon->input_buffer);
evhttp_connection_done(evcon);
return;
}
}
event_set(&evcon->ev, evcon->fd, EV_READ, evhttp_read, evcon);
evhttp_add_event(&evcon->ev, evcon->timeout, HTTP_READ_TIMEOUT);
evhttp_read_body(evcon, req);
}
void