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- Review fixes in out of order processing.

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git-svn-id: file:///svn/unbound/trunk@5035 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards
2019-01-15 10:27:00 +00:00
parent bb480068fa
commit 0d2efc3f3f
2 changed files with 20 additions and 4 deletions
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doc/Changelog
+1
View File
@@ -1,6 +1,7 @@
15 January 2018: Wouter
- In the out of order processing, reset byte count for (potential)
partial read.
- Review fixes in out of order processing.
14 January 2018: Wouter
- streamtcp option -a send queries consecutively and prints answers
services/listen_dnsport.c
+19 -4
View File
@@ -1691,6 +1691,11 @@ tcp_req_info_handle_writedone(struct tcp_req_info* req)
{
/* back to reading state, we finished this write event */
sldns_buffer_clear(req->cp->buffer);
if(req->num_done_req == 0 && req->read_is_closed) {
/* no more to write and nothing to read, close it */
comm_point_drop_reply(&req->cp->repinfo);
return;
}
req->cp->tcp_is_reading = 1;
/* see if another result needs writing */
tcp_req_pickup_next_result(req);
@@ -1712,7 +1717,10 @@ tcp_req_info_handle_readdone(struct tcp_req_info* req)
req->is_drop = 0;
req->is_reply = 0;
req->in_worker_handle = 1;
/* handle the current request, */
/* handle the current request */
/* this calls the worker handle request routine that could give
* a cache response, or localdata response, or drop the reply,
* or schedule a mesh entry for later */
fptr_ok(fptr_whitelist_comm_point(c->callback));
if( (*c->callback)(c, c->cb_arg, NETEVENT_NOERROR, &c->repinfo) ) {
req->in_worker_handle = 0;
@@ -1727,9 +1735,16 @@ tcp_req_info_handle_readdone(struct tcp_req_info* req)
}
req->in_worker_handle = 0;
/* it should be waiting in the mesh for recursion.
* If mesh failed(formerr) and called commpoint_drop_reply. Then the
* mesh state has been cleared. */
* If mesh failed to add a new entry and called commpoint_drop_reply.
* Then the mesh state has been cleared. */
if(req->is_drop) {
/* we can now call drop_reply without recursing into ourselves
* whilst in the callback */
/* we have to close the stream because there is no reply,
* no servfail to send, but the query needs an action, for
* a stream that is close the connection */
sldns_buffer_clear(c->buffer);
comm_point_drop_reply(&c->repinfo);
return;
}
/* If mesh failed(mallocfail) and called commpoint_send_reply with
@@ -1738,7 +1753,7 @@ tcp_req_info_handle_readdone(struct tcp_req_info* req)
goto send_it;
}
sldns_buffer_clear(req->cp->buffer);
sldns_buffer_clear(c->buffer);
/* if pending answers, pick up an answer and start sending it */
tcp_req_pickup_next_result(req);