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Use C++11 for range loop in pc/mediasession.cc (and test)

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Bug: webrtc:9732
Change-Id: I1fad3313c5ad627f7eca52ea907608d67af6891f
Reviewed-on: https://webrtc-review.googlesource.com/98924
Commit-Queue: Steve Anton <steveanton@webrtc.org>
Reviewed-by: Seth Hampson <shampson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24664}
This commit is contained in:
Steve Anton
2018-09-10 12:57:37 -07:00
committed by Commit Bot
parent f2582da04e
commit 3a66edf3c3
2 changed files with 91 additions and 100 deletions
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166
pc/mediasession.cc
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@ -122,7 +122,7 @@ static bool IsMediaContentOfType(const ContentInfo* content,
static bool CreateCryptoParams(int tag,
const std::string& cipher,
CryptoParams* out) {
CryptoParams* crypto_out) {
int key_len;
int salt_len;
if (!rtc::GetSrtpKeyAndSaltLengths(rtc::SrtpCryptoSuiteFromName(cipher),
@ -139,35 +139,33 @@ static bool CreateCryptoParams(int tag,
RTC_CHECK_EQ(master_key_len, master_key.size());
std::string key = rtc::Base64::Encode(master_key);
out->tag = tag;
out->cipher_suite = cipher;
out->key_params = kInline;
out->key_params += key;
crypto_out->tag = tag;
crypto_out->cipher_suite = cipher;
crypto_out->key_params = kInline;
crypto_out->key_params += key;
return true;
}
static bool AddCryptoParams(const std::string& cipher_suite,
CryptoParamsVec* out) {
int size = static_cast<int>(out->size());
CryptoParamsVec* cryptos_out) {
int size = static_cast<int>(cryptos_out->size());
out->resize(size + 1);
return CreateCryptoParams(size, cipher_suite, &out->at(size));
cryptos_out->resize(size + 1);
return CreateCryptoParams(size, cipher_suite, &cryptos_out->at(size));
}
void AddMediaCryptos(const CryptoParamsVec& cryptos,
MediaContentDescription* media) {
for (CryptoParamsVec::const_iterator crypto = cryptos.begin();
crypto != cryptos.end(); ++crypto) {
media->AddCrypto(*crypto);
for (const CryptoParams& crypto : cryptos) {
media->AddCrypto(crypto);
}
}
bool CreateMediaCryptos(const std::vector<std::string>& crypto_suites,
MediaContentDescription* media) {
CryptoParamsVec cryptos;
for (std::vector<std::string>::const_iterator it = crypto_suites.begin();
it != crypto_suites.end(); ++it) {
if (!AddCryptoParams(*it, &cryptos)) {
for (const std::string& crypto_suite : crypto_suites) {
if (!AddCryptoParams(crypto_suite, &cryptos)) {
return false;
}
}
@ -184,15 +182,15 @@ const CryptoParamsVec* GetCryptos(const ContentInfo* content) {
bool FindMatchingCrypto(const CryptoParamsVec& cryptos,
const CryptoParams& crypto,
CryptoParams* out) {
for (CryptoParamsVec::const_iterator it = cryptos.begin();
it != cryptos.end(); ++it) {
if (crypto.Matches(*it)) {
*out = *it;
return true;
}
CryptoParams* crypto_out) {
auto it = std::find_if(
cryptos.begin(), cryptos.end(),
[&crypto](const CryptoParams& c) { return crypto.Matches(c); });
if (it == cryptos.end()) {
return false;
}
return false;
*crypto_out = *it;
return true;
}
// For audio, HMAC 32 (if enabled) is prefered over HMAC 80 because of the
@ -255,18 +253,17 @@ void GetSupportedDataSdesCryptoSuiteNames(
static bool SelectCrypto(const MediaContentDescription* offer,
bool bundle,
const rtc::CryptoOptions& crypto_options,
CryptoParams* crypto) {
CryptoParams* crypto_out) {
bool audio = offer->type() == MEDIA_TYPE_AUDIO;
const CryptoParamsVec& cryptos = offer->cryptos();
for (CryptoParamsVec::const_iterator i = cryptos.begin(); i != cryptos.end();
++i) {
for (const CryptoParams& crypto : cryptos) {
if ((crypto_options.enable_gcm_crypto_suites &&
rtc::IsGcmCryptoSuiteName(i->cipher_suite)) ||
rtc::CS_AES_CM_128_HMAC_SHA1_80 == i->cipher_suite ||
(rtc::CS_AES_CM_128_HMAC_SHA1_32 == i->cipher_suite && audio &&
rtc::IsGcmCryptoSuiteName(crypto.cipher_suite)) ||
rtc::CS_AES_CM_128_HMAC_SHA1_80 == crypto.cipher_suite ||
(rtc::CS_AES_CM_128_HMAC_SHA1_32 == crypto.cipher_suite && audio &&
!bundle && crypto_options.enable_aes128_sha1_32_crypto_cipher)) {
return CreateCryptoParams(i->tag, i->cipher_suite, crypto);
return CreateCryptoParams(crypto.tag, crypto.cipher_suite, crypto_out);
}
}
return false;
@ -310,14 +307,11 @@ void FilterDataCodecs(std::vector<DataCodec>* codecs, bool sctp) {
// Filter RTP codec for SCTP and vice versa.
const char* codec_name =
sctp ? kGoogleRtpDataCodecName : kGoogleSctpDataCodecName;
for (std::vector<DataCodec>::iterator iter = codecs->begin();
iter != codecs->end();) {
if (CodecNamesEq(iter->name, codec_name)) {
iter = codecs->erase(iter);
} else {
++iter;
}
}
codecs->erase(std::remove_if(codecs->begin(), codecs->end(),
[&codec_name](const DataCodec& codec) {
return CodecNamesEq(codec.name, codec_name);
}),
codecs->end());
}
template <typename IdStruct>
@ -334,9 +328,8 @@ class UsedIds {
// Note that typename Id must be a type of IdStruct.
template <typename Id>
void FindAndSetIdUsed(std::vector<Id>* ids) {
for (typename std::vector<Id>::iterator it = ids->begin(); it != ids->end();
++it) {
FindAndSetIdUsed(&*it);
for (const Id& id : *ids) {
FindAndSetIdUsed(&id);
}
}
@ -512,13 +505,12 @@ static bool UpdateTransportInfoForBundle(const ContentGroup& bundle_group,
selected_transport_info->description.ice_pwd;
ConnectionRole selected_connection_role =
selected_transport_info->description.connection_role;
for (TransportInfos::iterator it = sdesc->transport_infos().begin();
it != sdesc->transport_infos().end(); ++it) {
if (bundle_group.HasContentName(it->content_name) &&
it->content_name != selected_content_name) {
it->description.ice_ufrag = selected_ufrag;
it->description.ice_pwd = selected_pwd;
it->description.connection_role = selected_connection_role;
for (TransportInfo& transport_info : sdesc->transport_infos()) {
if (bundle_group.HasContentName(transport_info.content_name) &&
transport_info.content_name != selected_content_name) {
transport_info.description.ice_ufrag = selected_ufrag;
transport_info.description.ice_pwd = selected_pwd;
transport_info.description.connection_role = selected_connection_role;
}
}
return true;
@ -592,19 +584,20 @@ static bool UpdateCryptoParamsForBundle(const ContentGroup& bundle_group,
// Get the common cryptos.
const ContentNames& content_names = bundle_group.content_names();
CryptoParamsVec common_cryptos;
for (ContentNames::const_iterator it = content_names.begin();
it != content_names.end(); ++it) {
if (!IsRtpContent(sdesc, *it)) {
bool first = true;
for (const std::string& content_name : content_names) {
if (!IsRtpContent(sdesc, content_name)) {
continue;
}
// The common cryptos are needed if any of the content does not have DTLS
// enabled.
if (!sdesc->GetTransportInfoByName(*it)->description.secure()) {
if (!sdesc->GetTransportInfoByName(content_name)->description.secure()) {
common_cryptos_needed = true;
}
if (it == content_names.begin()) {
if (first) {
first = false;
// Initial the common_cryptos with the first content in the bundle group.
if (!GetCryptosByName(sdesc, *it, &common_cryptos)) {
if (!GetCryptosByName(sdesc, content_name, &common_cryptos)) {
return false;
}
if (common_cryptos.empty()) {
@ -613,7 +606,7 @@ static bool UpdateCryptoParamsForBundle(const ContentGroup& bundle_group,
}
} else {
CryptoParamsVec cryptos;
if (!GetCryptosByName(sdesc, *it, &cryptos)) {
if (!GetCryptosByName(sdesc, content_name, &cryptos)) {
return false;
}
PruneCryptos(cryptos, &common_cryptos);
@ -625,12 +618,11 @@ static bool UpdateCryptoParamsForBundle(const ContentGroup& bundle_group,
}
// Update to use the common cryptos.
for (ContentNames::const_iterator it = content_names.begin();
it != content_names.end(); ++it) {
if (!IsRtpContent(sdesc, *it)) {
for (const std::string& content_name : content_names) {
if (!IsRtpContent(sdesc, content_name)) {
continue;
}
ContentInfo* content = sdesc->GetContentByName(*it);
ContentInfo* content = sdesc->GetContentByName(content_name);
if (IsMediaContent(content)) {
MediaContentDescription* media_desc = content->media_description();
if (!media_desc) {
@ -892,17 +884,21 @@ static void MergeCodecs(const std::vector<C>& reference_codecs,
static bool FindByUriAndEncryption(const RtpHeaderExtensions& extensions,
const webrtc::RtpExtension& ext_to_match,
webrtc::RtpExtension* found_extension) {
for (RtpHeaderExtensions::const_iterator it = extensions.begin();
it != extensions.end(); ++it) {
// We assume that all URIs are given in a canonical format.
if (it->uri == ext_to_match.uri && it->encrypt == ext_to_match.encrypt) {
if (found_extension) {
*found_extension = *it;
}
return true;
}
auto it =
std::find_if(extensions.begin(), extensions.end(),
[&ext_to_match](const webrtc::RtpExtension& extension) {
// We assume that all URIs are given in a canonical
// format.
return extension.uri == ext_to_match.uri &&
extension.encrypt == ext_to_match.encrypt;
});
if (it == extensions.end()) {
return false;
}
return false;
if (found_extension) {
*found_extension = *it;
}
return true;
}
static bool FindByUri(const RtpHeaderExtensions& extensions,
@ -927,17 +923,16 @@ static bool FindByUriWithEncryptionPreference(
bool encryption_preference,
webrtc::RtpExtension* found_extension) {
const webrtc::RtpExtension* unencrypted_extension = nullptr;
for (RtpHeaderExtensions::const_iterator it = extensions.begin();
it != extensions.end(); ++it) {
for (const webrtc::RtpExtension& extension : extensions) {
// We assume that all URIs are given in a canonical format.
if (it->uri == ext_to_match.uri) {
if (!encryption_preference || it->encrypt) {
if (extension.uri == ext_to_match.uri) {
if (!encryption_preference || extension.encrypt) {
if (found_extension) {
*found_extension = *it;
*found_extension = extension;
}
return true;
}
unencrypted_extension = &(*it);
unencrypted_extension = &extension;
}
}
if (unencrypted_extension) {
@ -1025,12 +1020,10 @@ static void NegotiateRtpHeaderExtensions(
const RtpHeaderExtensions& offered_extensions,
bool enable_encrypted_rtp_header_extensions,
RtpHeaderExtensions* negotiated_extenstions) {
RtpHeaderExtensions::const_iterator ours;
for (ours = local_extensions.begin(); ours != local_extensions.end();
++ours) {
for (const webrtc::RtpExtension& ours : local_extensions) {
webrtc::RtpExtension theirs;
if (FindByUriWithEncryptionPreference(
offered_extensions, *ours, enable_encrypted_rtp_header_extensions,
offered_extensions, ours, enable_encrypted_rtp_header_extensions,
&theirs)) {
// We respond with their RTP header extension id.
negotiated_extenstions->push_back(theirs);
@ -1039,14 +1032,13 @@ static void NegotiateRtpHeaderExtensions(
}
static void StripCNCodecs(AudioCodecs* audio_codecs) {
AudioCodecs::iterator iter = audio_codecs->begin();
while (iter != audio_codecs->end()) {
if (STR_CASE_CMP(iter->name.c_str(), kComfortNoiseCodecName) == 0) {
iter = audio_codecs->erase(iter);
} else {
++iter;
}
}
audio_codecs->erase(std::remove_if(audio_codecs->begin(), audio_codecs->end(),
[](const AudioCodec& codec) {
return STR_CASE_CMP(
codec.name.c_str(),
kComfortNoiseCodecName) == 0;
}),
audio_codecs->end());
}
// Create a media content to be answered for the given |sender_options|