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Fixes #711 in private. We now check RTP ports before allocation, to ensure they're not already in use.

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git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@3225 19bc5d8c-e614-43d4-8b26-e1612bc8e597
This commit is contained in:
Kurtis Heimerl 2012-02-24 07:59:11 +00:00
parent 56dd0dd9df
commit 3f264a9e86
5 changed files with 33 additions and 4 deletions
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11
Control/CallControl.cpp
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@ -72,17 +72,20 @@ using namespace Control;
*/
unsigned allocateRTPPorts()
{
// FIXME -- We need a real port allocator.
const unsigned base = gConfig.getNum("RTP.Start");
const unsigned range = gConfig.getNum("RTP.Range");
const unsigned top = base+range;
static Mutex lock;
// Pick a random starting point.
static unsigned port = base + 2*(random()%(range/2));
unsigned retVal;
lock.lock();
unsigned retVal = port;
port += 2;
if (port>=top) port=base;
//This is a little hacky as RTPAvail is O(n)
do {
retVal = port;
port += 2;
if (port>=top) port=base;
} while (!gTransactionTable.RTPAvailable(retVal));
lock.unlock();
return retVal;
}