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Move SSL rate-limit enforcement into bytes_to_read()

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This commit is contained in:
Nick Mathewson 2011-11-17 11:54:07 -05:00
parent a186e73200
commit 96c562fa49
1 changed files with 14 additions and 2 deletions
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16
bufferevent_openssl.c
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@ -711,6 +711,10 @@ bytes_to_read(struct bufferevent_openssl *bev)
{ {
struct evbuffer *input = bev->bev.bev.input; struct evbuffer *input = bev->bev.bev.input;
struct event_watermark *wm = &bev->bev.bev.wm_read; struct event_watermark *wm = &bev->bev.bev.wm_read;
int result = READ_DEFAULT;
ev_ssize_t limit;
/* XXX 99% of this is generic code that nearly all bufferevents will
* want. */
if (bev->write_blocked_on_read) { if (bev->write_blocked_on_read) {
return 0; return 0;
@ -729,10 +733,18 @@ bytes_to_read(struct bufferevent_openssl *bev)
return 0; return 0;
} }
return wm->high - evbuffer_get_length(input); result = wm->high - evbuffer_get_length(input);
} else {
result = READ_DEFAULT;
} }
return READ_DEFAULT; /* Respect the rate limit */
limit = _bufferevent_get_read_max(&bev->bev);
if (result > limit) {
result = limit;
}
return result;
} }