diff options
Diffstat (limited to 'third_party/libwebrtc/sdk/objc/api/peerconnection/RTCConfiguration.mm')
| -rw-r--r-- | third_party/libwebrtc/sdk/objc/api/peerconnection/RTCConfiguration.mm | 549 |
1 files changed, 549 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/api/peerconnection/RTCConfiguration.mm b/third_party/libwebrtc/sdk/objc/api/peerconnection/RTCConfiguration.mm new file mode 100644 index 0000000000..859aa8ad76 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/api/peerconnection/RTCConfiguration.mm @@ -0,0 +1,549 @@ +/* + * Copyright 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCConfiguration+Private.h" + +#include <memory> + +#import "RTCCertificate.h" +#import "RTCConfiguration+Native.h" +#import "RTCIceServer+Private.h" +#import "base/RTCLogging.h" + +#include "rtc_base/checks.h" +#include "rtc_base/rtc_certificate_generator.h" +#include "rtc_base/ssl_identity.h" + +@implementation RTC_OBJC_TYPE (RTCConfiguration) + +@synthesize enableDscp = _enableDscp; +@synthesize iceServers = _iceServers; +@synthesize certificate = _certificate; +@synthesize iceTransportPolicy = _iceTransportPolicy; +@synthesize bundlePolicy = _bundlePolicy; +@synthesize rtcpMuxPolicy = _rtcpMuxPolicy; +@synthesize tcpCandidatePolicy = _tcpCandidatePolicy; +@synthesize candidateNetworkPolicy = _candidateNetworkPolicy; +@synthesize continualGatheringPolicy = _continualGatheringPolicy; +@synthesize disableIPV6 = _disableIPV6; +@synthesize disableIPV6OnWiFi = _disableIPV6OnWiFi; +@synthesize maxIPv6Networks = _maxIPv6Networks; +@synthesize disableLinkLocalNetworks = _disableLinkLocalNetworks; +@synthesize audioJitterBufferMaxPackets = _audioJitterBufferMaxPackets; +@synthesize audioJitterBufferFastAccelerate = _audioJitterBufferFastAccelerate; +@synthesize iceConnectionReceivingTimeout = _iceConnectionReceivingTimeout; +@synthesize iceBackupCandidatePairPingInterval = + _iceBackupCandidatePairPingInterval; +@synthesize keyType = _keyType; +@synthesize iceCandidatePoolSize = _iceCandidatePoolSize; +@synthesize shouldPruneTurnPorts = _shouldPruneTurnPorts; +@synthesize shouldPresumeWritableWhenFullyRelayed = + _shouldPresumeWritableWhenFullyRelayed; +@synthesize shouldSurfaceIceCandidatesOnIceTransportTypeChanged = + _shouldSurfaceIceCandidatesOnIceTransportTypeChanged; +@synthesize iceCheckMinInterval = _iceCheckMinInterval; +@synthesize sdpSemantics = _sdpSemantics; +@synthesize turnCustomizer = _turnCustomizer; +@synthesize activeResetSrtpParams = _activeResetSrtpParams; +@synthesize allowCodecSwitching = _allowCodecSwitching; +@synthesize cryptoOptions = _cryptoOptions; +@synthesize turnLoggingId = _turnLoggingId; +@synthesize rtcpAudioReportIntervalMs = _rtcpAudioReportIntervalMs; +@synthesize rtcpVideoReportIntervalMs = _rtcpVideoReportIntervalMs; +@synthesize enableImplicitRollback = _enableImplicitRollback; +@synthesize offerExtmapAllowMixed = _offerExtmapAllowMixed; +@synthesize iceCheckIntervalStrongConnectivity = _iceCheckIntervalStrongConnectivity; +@synthesize iceCheckIntervalWeakConnectivity = _iceCheckIntervalWeakConnectivity; +@synthesize iceUnwritableTimeout = _iceUnwritableTimeout; +@synthesize iceUnwritableMinChecks = _iceUnwritableMinChecks; +@synthesize iceInactiveTimeout = _iceInactiveTimeout; + +- (instancetype)init { + // Copy defaults. + webrtc::PeerConnectionInterface::RTCConfiguration config; + config.sdp_semantics = webrtc::SdpSemantics::kUnifiedPlan; + return [self initWithNativeConfiguration:config]; +} + +- (instancetype)initWithNativeConfiguration: + (const webrtc::PeerConnectionInterface::RTCConfiguration &)config { + if (self = [super init]) { + _enableDscp = config.dscp(); + NSMutableArray *iceServers = [NSMutableArray array]; + for (const webrtc::PeerConnectionInterface::IceServer& server : config.servers) { + RTC_OBJC_TYPE(RTCIceServer) *iceServer = + [[RTC_OBJC_TYPE(RTCIceServer) alloc] initWithNativeServer:server]; + [iceServers addObject:iceServer]; + } + _iceServers = iceServers; + if (!config.certificates.empty()) { + rtc::scoped_refptr<rtc::RTCCertificate> native_cert; + native_cert = config.certificates[0]; + rtc::RTCCertificatePEM native_pem = native_cert->ToPEM(); + _certificate = [[RTC_OBJC_TYPE(RTCCertificate) alloc] + initWithPrivateKey:@(native_pem.private_key().c_str()) + certificate:@(native_pem.certificate().c_str())]; + } + _iceTransportPolicy = + [[self class] transportPolicyForTransportsType:config.type]; + _bundlePolicy = + [[self class] bundlePolicyForNativePolicy:config.bundle_policy]; + _rtcpMuxPolicy = + [[self class] rtcpMuxPolicyForNativePolicy:config.rtcp_mux_policy]; + _tcpCandidatePolicy = [[self class] tcpCandidatePolicyForNativePolicy: + config.tcp_candidate_policy]; + _candidateNetworkPolicy = [[self class] + candidateNetworkPolicyForNativePolicy:config.candidate_network_policy]; + webrtc::PeerConnectionInterface::ContinualGatheringPolicy nativePolicy = + config.continual_gathering_policy; + _continualGatheringPolicy = + [[self class] continualGatheringPolicyForNativePolicy:nativePolicy]; + _disableIPV6 = config.disable_ipv6; + _disableIPV6OnWiFi = config.disable_ipv6_on_wifi; + _maxIPv6Networks = config.max_ipv6_networks; + _disableLinkLocalNetworks = config.disable_link_local_networks; + _audioJitterBufferMaxPackets = config.audio_jitter_buffer_max_packets; + _audioJitterBufferFastAccelerate = config.audio_jitter_buffer_fast_accelerate; + _iceConnectionReceivingTimeout = config.ice_connection_receiving_timeout; + _iceBackupCandidatePairPingInterval = + config.ice_backup_candidate_pair_ping_interval; + _keyType = RTCEncryptionKeyTypeECDSA; + _iceCandidatePoolSize = config.ice_candidate_pool_size; + _shouldPruneTurnPorts = config.prune_turn_ports; + _shouldPresumeWritableWhenFullyRelayed = + config.presume_writable_when_fully_relayed; + _shouldSurfaceIceCandidatesOnIceTransportTypeChanged = + config.surface_ice_candidates_on_ice_transport_type_changed; + if (config.ice_check_min_interval) { + _iceCheckMinInterval = + [NSNumber numberWithInt:*config.ice_check_min_interval]; + } + _sdpSemantics = [[self class] sdpSemanticsForNativeSdpSemantics:config.sdp_semantics]; + _turnCustomizer = config.turn_customizer; + _activeResetSrtpParams = config.active_reset_srtp_params; + if (config.crypto_options) { + _cryptoOptions = [[RTC_OBJC_TYPE(RTCCryptoOptions) alloc] + initWithSrtpEnableGcmCryptoSuites:config.crypto_options->srtp + .enable_gcm_crypto_suites + srtpEnableAes128Sha1_32CryptoCipher:config.crypto_options->srtp + .enable_aes128_sha1_32_crypto_cipher + srtpEnableEncryptedRtpHeaderExtensions:config.crypto_options->srtp + .enable_encrypted_rtp_header_extensions + sframeRequireFrameEncryption:config.crypto_options->sframe + .require_frame_encryption]; + } + _turnLoggingId = [NSString stringWithUTF8String:config.turn_logging_id.c_str()]; + _rtcpAudioReportIntervalMs = config.audio_rtcp_report_interval_ms(); + _rtcpVideoReportIntervalMs = config.video_rtcp_report_interval_ms(); + _allowCodecSwitching = config.allow_codec_switching.value_or(false); + _enableImplicitRollback = config.enable_implicit_rollback; + _offerExtmapAllowMixed = config.offer_extmap_allow_mixed; + _iceCheckIntervalStrongConnectivity = + config.ice_check_interval_strong_connectivity.has_value() ? + [NSNumber numberWithInt:*config.ice_check_interval_strong_connectivity] : + nil; + _iceCheckIntervalWeakConnectivity = config.ice_check_interval_weak_connectivity.has_value() ? + [NSNumber numberWithInt:*config.ice_check_interval_weak_connectivity] : + nil; + _iceUnwritableTimeout = config.ice_unwritable_timeout.has_value() ? + [NSNumber numberWithInt:*config.ice_unwritable_timeout] : + nil; + _iceUnwritableMinChecks = config.ice_unwritable_min_checks.has_value() ? + [NSNumber numberWithInt:*config.ice_unwritable_min_checks] : + nil; + _iceInactiveTimeout = config.ice_inactive_timeout.has_value() ? + [NSNumber numberWithInt:*config.ice_inactive_timeout] : + nil; + } + return self; +} + +- (NSString *)description { + static NSString *formatString = @"RTC_OBJC_TYPE(RTCConfiguration): " + @"{\n%@\n%@\n%@\n%@\n%@\n%@\n%@\n%@\n%d\n%d\n%d\n%d\n%d\n%d\n" + @"%d\n%@\n%d\n%d\n%d\n%d\n%d\n%d\n%d\n}\n"; + + return [NSString + stringWithFormat:formatString, + _iceServers, + [[self class] stringForTransportPolicy:_iceTransportPolicy], + [[self class] stringForBundlePolicy:_bundlePolicy], + [[self class] stringForRtcpMuxPolicy:_rtcpMuxPolicy], + [[self class] stringForTcpCandidatePolicy:_tcpCandidatePolicy], + [[self class] stringForCandidateNetworkPolicy:_candidateNetworkPolicy], + [[self class] stringForContinualGatheringPolicy:_continualGatheringPolicy], + [[self class] stringForSdpSemantics:_sdpSemantics], + _audioJitterBufferMaxPackets, + _audioJitterBufferFastAccelerate, + _iceConnectionReceivingTimeout, + _iceBackupCandidatePairPingInterval, + _iceCandidatePoolSize, + _shouldPruneTurnPorts, + _shouldPresumeWritableWhenFullyRelayed, + _shouldSurfaceIceCandidatesOnIceTransportTypeChanged, + _iceCheckMinInterval, + _disableLinkLocalNetworks, + _disableIPV6, + _disableIPV6OnWiFi, + _maxIPv6Networks, + _activeResetSrtpParams, + _enableDscp, + _enableImplicitRollback]; +} + +#pragma mark - Private + +- (webrtc::PeerConnectionInterface::RTCConfiguration *) + createNativeConfiguration { + std::unique_ptr<webrtc::PeerConnectionInterface::RTCConfiguration> + nativeConfig(new webrtc::PeerConnectionInterface::RTCConfiguration( + webrtc::PeerConnectionInterface::RTCConfigurationType::kAggressive)); + + nativeConfig->set_dscp(_enableDscp); + for (RTC_OBJC_TYPE(RTCIceServer) * iceServer in _iceServers) { + nativeConfig->servers.push_back(iceServer.nativeServer); + } + nativeConfig->type = + [[self class] nativeTransportsTypeForTransportPolicy:_iceTransportPolicy]; + nativeConfig->bundle_policy = + [[self class] nativeBundlePolicyForPolicy:_bundlePolicy]; + nativeConfig->rtcp_mux_policy = + [[self class] nativeRtcpMuxPolicyForPolicy:_rtcpMuxPolicy]; + nativeConfig->tcp_candidate_policy = + [[self class] nativeTcpCandidatePolicyForPolicy:_tcpCandidatePolicy]; + nativeConfig->candidate_network_policy = [[self class] + nativeCandidateNetworkPolicyForPolicy:_candidateNetworkPolicy]; + nativeConfig->continual_gathering_policy = [[self class] + nativeContinualGatheringPolicyForPolicy:_continualGatheringPolicy]; + nativeConfig->disable_ipv6 = _disableIPV6; + nativeConfig->disable_ipv6_on_wifi = _disableIPV6OnWiFi; + nativeConfig->max_ipv6_networks = _maxIPv6Networks; + nativeConfig->disable_link_local_networks = _disableLinkLocalNetworks; + nativeConfig->audio_jitter_buffer_max_packets = _audioJitterBufferMaxPackets; + nativeConfig->audio_jitter_buffer_fast_accelerate = + _audioJitterBufferFastAccelerate ? true : false; + nativeConfig->ice_connection_receiving_timeout = + _iceConnectionReceivingTimeout; + nativeConfig->ice_backup_candidate_pair_ping_interval = + _iceBackupCandidatePairPingInterval; + rtc::KeyType keyType = + [[self class] nativeEncryptionKeyTypeForKeyType:_keyType]; + if (_certificate != nullptr) { + // if offered a pemcert use it... + RTC_LOG(LS_INFO) << "Have configured cert - using it."; + std::string pem_private_key = [[_certificate private_key] UTF8String]; + std::string pem_certificate = [[_certificate certificate] UTF8String]; + rtc::RTCCertificatePEM pem = rtc::RTCCertificatePEM(pem_private_key, pem_certificate); + rtc::scoped_refptr<rtc::RTCCertificate> certificate = rtc::RTCCertificate::FromPEM(pem); + RTC_LOG(LS_INFO) << "Created cert from PEM strings."; + if (!certificate) { + RTC_LOG(LS_ERROR) << "Failed to generate certificate from PEM."; + return nullptr; + } + nativeConfig->certificates.push_back(certificate); + } else { + RTC_LOG(LS_INFO) << "Don't have configured cert."; + // Generate non-default certificate. + if (keyType != rtc::KT_DEFAULT) { + rtc::scoped_refptr<rtc::RTCCertificate> certificate = + rtc::RTCCertificateGenerator::GenerateCertificate(rtc::KeyParams(keyType), + absl::optional<uint64_t>()); + if (!certificate) { + RTCLogError(@"Failed to generate certificate."); + return nullptr; + } + nativeConfig->certificates.push_back(certificate); + } + } + nativeConfig->ice_candidate_pool_size = _iceCandidatePoolSize; + nativeConfig->prune_turn_ports = _shouldPruneTurnPorts ? true : false; + nativeConfig->presume_writable_when_fully_relayed = + _shouldPresumeWritableWhenFullyRelayed ? true : false; + nativeConfig->surface_ice_candidates_on_ice_transport_type_changed = + _shouldSurfaceIceCandidatesOnIceTransportTypeChanged ? true : false; + if (_iceCheckMinInterval != nil) { + nativeConfig->ice_check_min_interval = absl::optional<int>(_iceCheckMinInterval.intValue); + } + nativeConfig->sdp_semantics = [[self class] nativeSdpSemanticsForSdpSemantics:_sdpSemantics]; + if (_turnCustomizer) { + nativeConfig->turn_customizer = _turnCustomizer; + } + nativeConfig->active_reset_srtp_params = _activeResetSrtpParams ? true : false; + if (_cryptoOptions) { + webrtc::CryptoOptions nativeCryptoOptions; + nativeCryptoOptions.srtp.enable_gcm_crypto_suites = + _cryptoOptions.srtpEnableGcmCryptoSuites ? true : false; + nativeCryptoOptions.srtp.enable_aes128_sha1_32_crypto_cipher = + _cryptoOptions.srtpEnableAes128Sha1_32CryptoCipher ? true : false; + nativeCryptoOptions.srtp.enable_encrypted_rtp_header_extensions = + _cryptoOptions.srtpEnableEncryptedRtpHeaderExtensions ? true : false; + nativeCryptoOptions.sframe.require_frame_encryption = + _cryptoOptions.sframeRequireFrameEncryption ? true : false; + nativeConfig->crypto_options = absl::optional<webrtc::CryptoOptions>(nativeCryptoOptions); + } + nativeConfig->turn_logging_id = [_turnLoggingId UTF8String]; + nativeConfig->set_audio_rtcp_report_interval_ms(_rtcpAudioReportIntervalMs); + nativeConfig->set_video_rtcp_report_interval_ms(_rtcpVideoReportIntervalMs); + nativeConfig->allow_codec_switching = _allowCodecSwitching; + nativeConfig->enable_implicit_rollback = _enableImplicitRollback; + nativeConfig->offer_extmap_allow_mixed = _offerExtmapAllowMixed; + if (_iceCheckIntervalStrongConnectivity != nil) { + nativeConfig->ice_check_interval_strong_connectivity = + absl::optional<int>(_iceCheckIntervalStrongConnectivity.intValue); + } + if (_iceCheckIntervalWeakConnectivity != nil) { + nativeConfig->ice_check_interval_weak_connectivity = + absl::optional<int>(_iceCheckIntervalWeakConnectivity.intValue); + } + if (_iceUnwritableTimeout != nil) { + nativeConfig->ice_unwritable_timeout = absl::optional<int>(_iceUnwritableTimeout.intValue); + } + if (_iceUnwritableMinChecks != nil) { + nativeConfig->ice_unwritable_min_checks = absl::optional<int>(_iceUnwritableMinChecks.intValue); + } + if (_iceInactiveTimeout != nil) { + nativeConfig->ice_inactive_timeout = absl::optional<int>(_iceInactiveTimeout.intValue); + } + return nativeConfig.release(); +} + ++ (webrtc::PeerConnectionInterface::IceTransportsType) + nativeTransportsTypeForTransportPolicy:(RTCIceTransportPolicy)policy { + switch (policy) { + case RTCIceTransportPolicyNone: + return webrtc::PeerConnectionInterface::kNone; + case RTCIceTransportPolicyRelay: + return webrtc::PeerConnectionInterface::kRelay; + case RTCIceTransportPolicyNoHost: + return webrtc::PeerConnectionInterface::kNoHost; + case RTCIceTransportPolicyAll: + return webrtc::PeerConnectionInterface::kAll; + } +} + ++ (RTCIceTransportPolicy)transportPolicyForTransportsType: + (webrtc::PeerConnectionInterface::IceTransportsType)nativeType { + switch (nativeType) { + case webrtc::PeerConnectionInterface::kNone: + return RTCIceTransportPolicyNone; + case webrtc::PeerConnectionInterface::kRelay: + return RTCIceTransportPolicyRelay; + case webrtc::PeerConnectionInterface::kNoHost: + return RTCIceTransportPolicyNoHost; + case webrtc::PeerConnectionInterface::kAll: + return RTCIceTransportPolicyAll; + } +} + ++ (NSString *)stringForTransportPolicy:(RTCIceTransportPolicy)policy { + switch (policy) { + case RTCIceTransportPolicyNone: + return @"NONE"; + case RTCIceTransportPolicyRelay: + return @"RELAY"; + case RTCIceTransportPolicyNoHost: + return @"NO_HOST"; + case RTCIceTransportPolicyAll: + return @"ALL"; + } +} + ++ (webrtc::PeerConnectionInterface::BundlePolicy)nativeBundlePolicyForPolicy: + (RTCBundlePolicy)policy { + switch (policy) { + case RTCBundlePolicyBalanced: + return webrtc::PeerConnectionInterface::kBundlePolicyBalanced; + case RTCBundlePolicyMaxCompat: + return webrtc::PeerConnectionInterface::kBundlePolicyMaxCompat; + case RTCBundlePolicyMaxBundle: + return webrtc::PeerConnectionInterface::kBundlePolicyMaxBundle; + } +} + ++ (RTCBundlePolicy)bundlePolicyForNativePolicy: + (webrtc::PeerConnectionInterface::BundlePolicy)nativePolicy { + switch (nativePolicy) { + case webrtc::PeerConnectionInterface::kBundlePolicyBalanced: + return RTCBundlePolicyBalanced; + case webrtc::PeerConnectionInterface::kBundlePolicyMaxCompat: + return RTCBundlePolicyMaxCompat; + case webrtc::PeerConnectionInterface::kBundlePolicyMaxBundle: + return RTCBundlePolicyMaxBundle; + } +} + ++ (NSString *)stringForBundlePolicy:(RTCBundlePolicy)policy { + switch (policy) { + case RTCBundlePolicyBalanced: + return @"BALANCED"; + case RTCBundlePolicyMaxCompat: + return @"MAX_COMPAT"; + case RTCBundlePolicyMaxBundle: + return @"MAX_BUNDLE"; + } +} + ++ (webrtc::PeerConnectionInterface::RtcpMuxPolicy)nativeRtcpMuxPolicyForPolicy: + (RTCRtcpMuxPolicy)policy { + switch (policy) { + case RTCRtcpMuxPolicyNegotiate: + return webrtc::PeerConnectionInterface::kRtcpMuxPolicyNegotiate; + case RTCRtcpMuxPolicyRequire: + return webrtc::PeerConnectionInterface::kRtcpMuxPolicyRequire; + } +} + ++ (RTCRtcpMuxPolicy)rtcpMuxPolicyForNativePolicy: + (webrtc::PeerConnectionInterface::RtcpMuxPolicy)nativePolicy { + switch (nativePolicy) { + case webrtc::PeerConnectionInterface::kRtcpMuxPolicyNegotiate: + return RTCRtcpMuxPolicyNegotiate; + case webrtc::PeerConnectionInterface::kRtcpMuxPolicyRequire: + return RTCRtcpMuxPolicyRequire; + } +} + ++ (NSString *)stringForRtcpMuxPolicy:(RTCRtcpMuxPolicy)policy { + switch (policy) { + case RTCRtcpMuxPolicyNegotiate: + return @"NEGOTIATE"; + case RTCRtcpMuxPolicyRequire: + return @"REQUIRE"; + } +} + ++ (webrtc::PeerConnectionInterface::TcpCandidatePolicy) + nativeTcpCandidatePolicyForPolicy:(RTCTcpCandidatePolicy)policy { + switch (policy) { + case RTCTcpCandidatePolicyEnabled: + return webrtc::PeerConnectionInterface::kTcpCandidatePolicyEnabled; + case RTCTcpCandidatePolicyDisabled: + return webrtc::PeerConnectionInterface::kTcpCandidatePolicyDisabled; + } +} + ++ (webrtc::PeerConnectionInterface::CandidateNetworkPolicy) + nativeCandidateNetworkPolicyForPolicy:(RTCCandidateNetworkPolicy)policy { + switch (policy) { + case RTCCandidateNetworkPolicyAll: + return webrtc::PeerConnectionInterface::kCandidateNetworkPolicyAll; + case RTCCandidateNetworkPolicyLowCost: + return webrtc::PeerConnectionInterface::kCandidateNetworkPolicyLowCost; + } +} + ++ (RTCTcpCandidatePolicy)tcpCandidatePolicyForNativePolicy: + (webrtc::PeerConnectionInterface::TcpCandidatePolicy)nativePolicy { + switch (nativePolicy) { + case webrtc::PeerConnectionInterface::kTcpCandidatePolicyEnabled: + return RTCTcpCandidatePolicyEnabled; + case webrtc::PeerConnectionInterface::kTcpCandidatePolicyDisabled: + return RTCTcpCandidatePolicyDisabled; + } +} + ++ (NSString *)stringForTcpCandidatePolicy:(RTCTcpCandidatePolicy)policy { + switch (policy) { + case RTCTcpCandidatePolicyEnabled: + return @"TCP_ENABLED"; + case RTCTcpCandidatePolicyDisabled: + return @"TCP_DISABLED"; + } +} + ++ (RTCCandidateNetworkPolicy)candidateNetworkPolicyForNativePolicy: + (webrtc::PeerConnectionInterface::CandidateNetworkPolicy)nativePolicy { + switch (nativePolicy) { + case webrtc::PeerConnectionInterface::kCandidateNetworkPolicyAll: + return RTCCandidateNetworkPolicyAll; + case webrtc::PeerConnectionInterface::kCandidateNetworkPolicyLowCost: + return RTCCandidateNetworkPolicyLowCost; + } +} + ++ (NSString *)stringForCandidateNetworkPolicy: + (RTCCandidateNetworkPolicy)policy { + switch (policy) { + case RTCCandidateNetworkPolicyAll: + return @"CANDIDATE_ALL_NETWORKS"; + case RTCCandidateNetworkPolicyLowCost: + return @"CANDIDATE_LOW_COST_NETWORKS"; + } +} + ++ (webrtc::PeerConnectionInterface::ContinualGatheringPolicy) + nativeContinualGatheringPolicyForPolicy: + (RTCContinualGatheringPolicy)policy { + switch (policy) { + case RTCContinualGatheringPolicyGatherOnce: + return webrtc::PeerConnectionInterface::GATHER_ONCE; + case RTCContinualGatheringPolicyGatherContinually: + return webrtc::PeerConnectionInterface::GATHER_CONTINUALLY; + } +} + ++ (RTCContinualGatheringPolicy)continualGatheringPolicyForNativePolicy: + (webrtc::PeerConnectionInterface::ContinualGatheringPolicy)nativePolicy { + switch (nativePolicy) { + case webrtc::PeerConnectionInterface::GATHER_ONCE: + return RTCContinualGatheringPolicyGatherOnce; + case webrtc::PeerConnectionInterface::GATHER_CONTINUALLY: + return RTCContinualGatheringPolicyGatherContinually; + } +} + ++ (NSString *)stringForContinualGatheringPolicy: + (RTCContinualGatheringPolicy)policy { + switch (policy) { + case RTCContinualGatheringPolicyGatherOnce: + return @"GATHER_ONCE"; + case RTCContinualGatheringPolicyGatherContinually: + return @"GATHER_CONTINUALLY"; + } +} + ++ (rtc::KeyType)nativeEncryptionKeyTypeForKeyType: + (RTCEncryptionKeyType)keyType { + switch (keyType) { + case RTCEncryptionKeyTypeRSA: + return rtc::KT_RSA; + case RTCEncryptionKeyTypeECDSA: + return rtc::KT_ECDSA; + } +} + ++ (webrtc::SdpSemantics)nativeSdpSemanticsForSdpSemantics:(RTCSdpSemantics)sdpSemantics { + switch (sdpSemantics) { + case RTCSdpSemanticsPlanB: + return webrtc::SdpSemantics::kPlanB_DEPRECATED; + case RTCSdpSemanticsUnifiedPlan: + return webrtc::SdpSemantics::kUnifiedPlan; + } +} + ++ (RTCSdpSemantics)sdpSemanticsForNativeSdpSemantics:(webrtc::SdpSemantics)sdpSemantics { + switch (sdpSemantics) { + case webrtc::SdpSemantics::kPlanB_DEPRECATED: + return RTCSdpSemanticsPlanB; + case webrtc::SdpSemantics::kUnifiedPlan: + return RTCSdpSemanticsUnifiedPlan; + } +} + ++ (NSString *)stringForSdpSemantics:(RTCSdpSemantics)sdpSemantics { + switch (sdpSemantics) { + case RTCSdpSemanticsPlanB: + return @"PLAN_B"; + case RTCSdpSemanticsUnifiedPlan: + return @"UNIFIED_PLAN"; + } +} + +@end |