Mirror/zeek
1
0
Fork 0
mirror of https://github.com/zeek/zeek.git synced 2025-10-11 02:58:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Make sure lookup_hostname_txt isn't checking lookup_hostname's cache for answers.

Browse source
This commit is contained in:
Vlad Grigorescu 2012-11-03 11:07:48 -04:00
parent d9803a0d9d
commit a1c0b853fe
1 changed files with 31 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

42
src/DNS_Mgr.cc
View file

@ -1055,21 +1055,38 @@ void DNS_Mgr::AsyncLookupName(string name, LookupCallback* callback, bool is_txt
}
AsyncRequest* req = 0;
// Have we already a request waiting for this host?
AsyncRequestNameMap::iterator i = asyncs_names.find(name);
if ( i != asyncs_names.end() )
req = i->second;
if ( is_txt )
{
// Have we already a request waiting for this host?
AsyncRequestTextMap::iterator i = asyncs_texts.find(name);
if ( i != asyncs_texts.end() )
req = i->second;
else
{
// A new one.
req = new AsyncRequest;
req->name = name;
req->is_txt = is_txt;
asyncs_queued.push_back(req);
asyncs_texts.insert(AsyncRequestTextMap::value_type(name, req));
}
}
else
{
// A new one.
req = new AsyncRequest;
req->name = name;
req->is_txt = is_txt;
asyncs_queued.push_back(req);
asyncs_names.insert(AsyncRequestNameMap::value_type(name, req));
// Have we already a request waiting for this host?
AsyncRequestNameMap::iterator i = asyncs_names.find(name);
if ( i != asyncs_names.end() )
req = i->second;
else
{
// A new one.
req = new AsyncRequest;
req->name = name;
req->is_txt = is_txt;
asyncs_queued.push_back(req);
asyncs_names.insert(AsyncRequestNameMap::value_type(name, req));
}
}
req->callbacks.push_back(callback);
IssueAsyncRequests();
@ -1170,7 +1187,6 @@ void DNS_Mgr::CheckAsyncTextRequest(const char* host, bool timeout)
// Note that this code is a mirror of that for CheckAsyncAddrRequest.
AsyncRequestTextMap::iterator i = asyncs_texts.find(host);
if ( i != asyncs_texts.end() )
{
const char* name = LookupTextInCache(host);