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Fix once and for all the random port selection in the media session.

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This commit is contained in:
Ghislain MARY 2017-11-30 15:46:34 +01:00
parent 88fb7651f6
commit 57e9fbd1c4
1 changed files with 4 additions and 1 deletions
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5
src/conference/session/media-session.cpp
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@ -916,8 +916,11 @@ int MediaSessionPrivate::selectRandomPort (int streamIndex, pair<int, int> portR
L_Q();
for (int nbTries = 0; nbTries < 100; nbTries++) {
bool alreadyUsed = false;
unsigned int rangeSize = static_cast<unsigned int>(portRange.second - portRange.first);
unsigned int randomInRangeSize = ortp_random() % rangeSize;
unsigned int mask = 1;
int triedPort = static_cast<int>((ortp_random() % static_cast<unsigned int>((portRange.second - portRange.first) + portRange.first)) & ~mask);
unsigned int realRandom = randomInRangeSize + static_cast<unsigned int >(portRange.first);
int triedPort = static_cast<int>(realRandom & ~mask);
if (triedPort < portRange.first) triedPort = portRange.first + 2;
for (const bctbx_list_t *elem = linphone_core_get_calls(q->getCore()->getCCore()); elem != nullptr; elem = bctbx_list_next(elem)) {
LinphoneCall *lcall = reinterpret_cast<LinphoneCall *>(bctbx_list_get_data(elem));