Merge remote-tracking branch 'public/bug6203_v2' into maint-0.2.3

This commit is contained in:
Nick Mathewson 2012-06-22 22:33:14 -04:00
commit a9de982c34
2 changed files with 17 additions and 1 deletions

5
changes/bug6203 Normal file
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@ -0,0 +1,5 @@
o Minor bugfixes:
- Disable a spurious warning about reading on a marked and flushing
connection. We shouldn't be doing that, but apparently we
sometimes do. Fix for bug 6203; bugfix on 0.2.3.17-beta.

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@ -848,7 +848,10 @@ conn_close_if_marked(int i)
"Holding conn (fd %d) open for more flushing.", "Holding conn (fd %d) open for more flushing.",
(int)conn->s)); (int)conn->s));
conn->timestamp_lastwritten = now; /* reset so we can flush more */ conn->timestamp_lastwritten = now; /* reset so we can flush more */
} else if (sz == 0) { /* retval is also 0 */ } else if (sz == 0) {
/* Also, retval==0. If we get here, we didn't want to write anything
* (because of rate-limiting) and we didn't. */
/* Connection must flush before closing, but it's being rate-limited. /* Connection must flush before closing, but it's being rate-limited.
* Let's remove from Libevent, and mark it as blocked on bandwidth * Let's remove from Libevent, and mark it as blocked on bandwidth
* so it will be re-added on next token bucket refill. Prevents * so it will be re-added on next token bucket refill. Prevents
@ -860,6 +863,13 @@ conn_close_if_marked(int i)
connection_stop_writing(conn); connection_stop_writing(conn);
} }
if (connection_is_reading(conn)) { if (connection_is_reading(conn)) {
/* XXXX024 We should make this code unreachable; if a connection is
* marked for close and flushing, there is no point in reading to it
* at all. Further, checking at this point is a bit of a hack: it
* would make much more sense to react in
* connection_handle_read_impl, or to just stop reading in
* mark_and_flush */
#if 0
#define MARKED_READING_RATE 180 #define MARKED_READING_RATE 180
static ratelim_t marked_read_lim = RATELIM_INIT(MARKED_READING_RATE); static ratelim_t marked_read_lim = RATELIM_INIT(MARKED_READING_RATE);
char *m; char *m;
@ -870,6 +880,7 @@ conn_close_if_marked(int i)
conn_state_to_string(conn->type, conn->state), m); conn_state_to_string(conn->type, conn->state), m);
tor_free(m); tor_free(m);
} }
#endif
conn->read_blocked_on_bw = 1; conn->read_blocked_on_bw = 1;
connection_stop_reading(conn); connection_stop_reading(conn);
} }