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#include "third_party/webrtc_overrides/p2p/base/ice_switch_proposal.h"
#include <optional>
#include <string>
#include "base/notreached.h"
#include "third_party/webrtc/p2p/base/connection.h"
#include "third_party/webrtc/p2p/base/ice_controller_interface.h"
#include "third_party/webrtc/p2p/base/ice_switch_reason.h"
#include "third_party/webrtc/rtc_base/strings/string_builder.h"
#include "third_party/webrtc_overrides/p2p/base/ice_connection.h"
#include "third_party/webrtc_overrides/p2p/base/ice_proposal.h"
namespace blink {
IceSwitchReason ConvertFromWebrtcIceSwitchReason(
webrtc::IceSwitchReason reason) {
switch (reason) {
case webrtc::IceSwitchReason::REMOTE_CANDIDATE_GENERATION_CHANGE:
return IceSwitchReason::kRemoteCandidateGenerationChange;
case webrtc::IceSwitchReason::NETWORK_PREFERENCE_CHANGE:
return IceSwitchReason::kNetworkPreferenceChange;
case webrtc::IceSwitchReason::NEW_CONNECTION_FROM_LOCAL_CANDIDATE:
return IceSwitchReason::kNewConnectionFromLocalCandidate;
case webrtc::IceSwitchReason::NEW_CONNECTION_FROM_REMOTE_CANDIDATE:
return IceSwitchReason::kNewConnectionFromRemoteCandidate;
case webrtc::IceSwitchReason::NEW_CONNECTION_FROM_UNKNOWN_REMOTE_ADDRESS:
return IceSwitchReason::kNewConnectionFromUnknownRemoteAddress;
case webrtc::IceSwitchReason::NOMINATION_ON_CONTROLLED_SIDE:
return IceSwitchReason::kNominationOnControlledSide;
case webrtc::IceSwitchReason::DATA_RECEIVED:
return IceSwitchReason::kDataReceived;
case webrtc::IceSwitchReason::CONNECT_STATE_CHANGE:
return IceSwitchReason::kConnectStateChange;
case webrtc::IceSwitchReason::SELECTED_CONNECTION_DESTROYED:
return IceSwitchReason::kSelectedConnectionDestroyed;
case webrtc::IceSwitchReason::ICE_CONTROLLER_RECHECK:
return IceSwitchReason::kIceControllerRecheck;
case webrtc::IceSwitchReason::APPLICATION_REQUESTED:
return IceSwitchReason::kApplicationRequested;
default:
NOTREACHED();
}
}
std::string IceSwitchReasonToString(IceSwitchReason reason) {
switch (reason) {
case IceSwitchReason::kUnknown:
return "Unknown";
case IceSwitchReason::kRemoteCandidateGenerationChange:
return "RemoteCandidateGenerationChange";
case IceSwitchReason::kNetworkPreferenceChange:
return "NetworkPreferenceChange";
case IceSwitchReason::kNewConnectionFromLocalCandidate:
return "NewConnectionFromLocalCandidate";
case IceSwitchReason::kNewConnectionFromRemoteCandidate:
return "NewConnectionFromRemoteCandidate";
case IceSwitchReason::kNewConnectionFromUnknownRemoteAddress:
return "NewConnectionFromUnknownRemoteAddress";
case IceSwitchReason::kNominationOnControlledSide:
return "NominationOnControlledSide";
case IceSwitchReason::kDataReceived:
return "DataReceived";
case IceSwitchReason::kConnectStateChange:
return "ConnectStateChange";
case IceSwitchReason::kSelectedConnectionDestroyed:
return "SelectedConnectionDestroyed";
case IceSwitchReason::kIceControllerRecheck:
return "IceControllerRecheck";
case IceSwitchReason::kApplicationRequested:
return "ApplicationRequested";
default:
NOTREACHED();
}
}
webrtc::IceSwitchReason ConvertToWebrtcIceSwitchReason(IceSwitchReason reason) {
switch (reason) {
case IceSwitchReason::kRemoteCandidateGenerationChange:
return webrtc::IceSwitchReason::REMOTE_CANDIDATE_GENERATION_CHANGE;
case IceSwitchReason::kNetworkPreferenceChange:
return webrtc::IceSwitchReason::NETWORK_PREFERENCE_CHANGE;
case IceSwitchReason::kNewConnectionFromLocalCandidate:
return webrtc::IceSwitchReason::NEW_CONNECTION_FROM_LOCAL_CANDIDATE;
case IceSwitchReason::kNewConnectionFromRemoteCandidate:
return webrtc::IceSwitchReason::NEW_CONNECTION_FROM_REMOTE_CANDIDATE;
case IceSwitchReason::kNewConnectionFromUnknownRemoteAddress:
return webrtc::IceSwitchReason::
NEW_CONNECTION_FROM_UNKNOWN_REMOTE_ADDRESS;
case IceSwitchReason::kNominationOnControlledSide:
return webrtc::IceSwitchReason::NOMINATION_ON_CONTROLLED_SIDE;
case IceSwitchReason::kDataReceived:
return webrtc::IceSwitchReason::DATA_RECEIVED;
case IceSwitchReason::kConnectStateChange:
return webrtc::IceSwitchReason::CONNECT_STATE_CHANGE;
case IceSwitchReason::kSelectedConnectionDestroyed:
return webrtc::IceSwitchReason::SELECTED_CONNECTION_DESTROYED;
case IceSwitchReason::kIceControllerRecheck:
return webrtc::IceSwitchReason::ICE_CONTROLLER_RECHECK;
case IceSwitchReason::kApplicationRequested:
return webrtc::IceSwitchReason::APPLICATION_REQUESTED;
case IceSwitchReason::kUnknown:
default:
NOTREACHED();
}
}
IceRecheckEvent::IceRecheckEvent(const webrtc::IceRecheckEvent& event)
: reason(ConvertFromWebrtcIceSwitchReason(event.reason)),
recheck_delay_ms(event.recheck_delay_ms) {}
IceSwitchProposal::IceSwitchProposal(
webrtc::IceSwitchReason reason,
const webrtc::IceControllerInterface::SwitchResult& switch_result,
bool reply_expected)
: IceProposal(reply_expected),
reason_(ConvertFromWebrtcIceSwitchReason(reason)),
recheck_event_(switch_result.recheck_event) {
if (switch_result.connection.value_or(nullptr)) {
connection_ = IceConnection(switch_result.connection.value());
} else {
connection_ = std::nullopt;
}
for (const webrtc::Connection* conn :
switch_result.connections_to_forget_state_on) {
if (conn) {
connections_to_forget_state_on_.emplace_back(conn);
}
}
}
std::string IceSwitchProposal::ToString() const {
webrtc::StringBuilder ss;
ss << "SwitchProposal[" << IceSwitchReasonToString(reason_) << ":"
<< (connection_.has_value() ? connection_->ToString() : "<no connection>")
<< ":";
if (recheck_event_.has_value()) {
ss << IceSwitchReasonToString(recheck_event_->reason) << ":"
<< recheck_event_->recheck_delay_ms;
} else {
ss << "<no recheck>";
}
ss << ":";
int ctr = 1;
for (auto conn : connections_to_forget_state_on_) {
ss << "(" << ctr++ << ":" << conn.ToString() << ")";
}
ss << "]";
return ss.Release();
}
} // namespace blink
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