DtlsIdentityStore[Interface/Impl] updated, DtlsIdentityService to be removed

talk/app/webrtc/webrtcsessiondescriptionfactory.cc

Index: talk/app/webrtc/webrtcsessiondescriptionfactory.cc
diff --git a/talk/app/webrtc/webrtcsessiondescriptionfactory.cc b/talk/app/webrtc/webrtcsessiondescriptionfactory.cc
index aab24cf0654b01054355842d54c22ea470c2c3d7..269870e2c3291b037c64e9e0f33ada85088b1018 100644
--- a/talk/app/webrtc/webrtcsessiondescriptionfactory.cc
+++ b/talk/app/webrtc/webrtcsessiondescriptionfactory.cc
@@ -33,6 +33,7 @@
 #include "talk/app/webrtc/mediaconstraintsinterface.h"
 #include "talk/app/webrtc/mediastreamsignaling.h"
 #include "talk/app/webrtc/webrtcsession.h"
+#include "webrtc/base/sslidentity.h"
 
 using cricket::MediaSessionOptions;
 
@@ -65,8 +66,7 @@ static bool ValidStreams(const MediaSessionOptions::Streams& streams) {
 
 enum {
   MSG_CREATE_SESSIONDESCRIPTION_SUCCESS,
-  MSG_CREATE_SESSIONDESCRIPTION_FAILED,
-  MSG_GENERATE_IDENTITY,
+  MSG_CREATE_SESSIONDESCRIPTION_FAILED
 };
 
 struct CreateSessionDescriptionMsg : public rtc::MessageData {
@@ -128,7 +128,7 @@ WebRtcSessionDescriptionFactory::WebRtcSessionDescriptionFactory(
     rtc::Thread* signaling_thread,
     cricket::ChannelManager* channel_manager,
     MediaStreamSignaling* mediastream_signaling,
-    DTLSIdentityServiceInterface* dtls_identity_service,
+    DtlsIdentityStoreInterface* dtls_identity_store,
     WebRtcSession* session,
     const std::string& session_id,
     cricket::DataChannelType dct,
@@ -141,7 +141,7 @@ WebRtcSessionDescriptionFactory::WebRtcSessionDescriptionFactory(
       // to just use a random number as session id and start version from
       // |kInitSessionVersion|.
       session_version_(kInitSessionVersion),
-      identity_service_(dtls_identity_service),
+      dtls_identity_store_(dtls_identity_store),
       session_(session),
       session_id_(session_id),
       data_channel_type_(dct),
@@ -151,11 +151,10 @@ WebRtcSessionDescriptionFactory::WebRtcSessionDescriptionFactory(
   // SRTP-SDES is disabled if DTLS is on.
   SetSdesPolicy(dtls_enabled ? cricket::SEC_DISABLED : cricket::SEC_REQUIRED);
 
-  if (!dtls_enabled) {
-    return;
-  }
+  // If |dtls_enabled| we must have a |dtls_identity_store_|.
+  DCHECK(!dtls_enabled || dtls_identity_store_);
 
-  if (identity_service_.get()) {
+  if (dtls_enabled && dtls_identity_store_) {
     identity_request_observer_ =
       new rtc::RefCountedObject<WebRtcIdentityRequestObserver>();
 
@@ -164,21 +163,10 @@ WebRtcSessionDescriptionFactory::WebRtcSessionDescriptionFactory(
     identity_request_observer_->SignalIdentityReady.connect(
         this, &WebRtcSessionDescriptionFactory::SetIdentity);
 
-    if (identity_service_->RequestIdentity(
-            DtlsIdentityStore::kIdentityName,
-            DtlsIdentityStore::kIdentityName,
-            identity_request_observer_)) {
-      LOG(LS_VERBOSE) << "DTLS-SRTP enabled; sent DTLS identity request.";
-      identity_request_state_ = IDENTITY_WAITING;
-    } else {
-      LOG(LS_ERROR) << "Failed to send DTLS identity request.";
-      identity_request_state_ = IDENTITY_FAILED;
-    }
-  } else {
+    LOG(LS_VERBOSE) << "DTLS-SRTP enabled; sending DTLS identity request.";
     identity_request_state_ = IDENTITY_WAITING;
-    // Do not generate the identity in the constructor since the caller has
-    // not got a chance to connect to SignalIdentityReady.
-    signaling_thread_->Post(this, MSG_GENERATE_IDENTITY, NULL);
+    dtls_identity_store_->RequestIdentity(rtc::KT_DEFAULT,
+                                          identity_request_observer_.get());
   }
 }
 
@@ -310,11 +298,6 @@ void WebRtcSessionDescriptionFactory::OnMessage(rtc::Message* msg) {
       delete param;
       break;
     }
-    case MSG_GENERATE_IDENTITY: {
-      LOG(LS_INFO) << "Generating identity.";
-      SetIdentity(rtc::SSLIdentity::Generate(DtlsIdentityStore::kIdentityName));
-      break;
-    }
     default:
       ASSERT(false);
       break;