commit c3af31b8f1a7bac5d3e3c953702c8faec3cd55e3
author Robert Shih <robertshih@google.com> Fri Sep 20 21:45:01 2019 -0700
committer Robert Shih <robertshih@google.com> Fri Oct 04 22:05:40 2019 -0700
tree 30533ca112d60914f2c23acda83394275b97ea25
parent 32706253ce90531c94b5f2af7caacb443eb09d8c

Implement DrmSessionManager w mediaresourcemanager

Bug: 134787536
Test: DrmSessionManagerTest
Test: DrmSessionManager_test
Test: ResourceManagerService_test
Change-Id: Iab9f4f681c83f46b043cefc8633bb3e513a8e75a

drm/libmediadrm/DrmHal.cpp

diff --git a/drm/libmediadrm/DrmHal.cpp b/drm/libmediadrm/DrmHal.cpp
index 7cfe900..bd4b521 100644
--- a/drm/libmediadrm/DrmHal.cpp
+++ b/drm/libmediadrm/DrmHal.cpp
@@ -293,38 +293,45 @@
     }
 }
 
-
 Mutex DrmHal::mLock;
 
-struct DrmSessionClient : public DrmSessionClientInterface {
-    explicit DrmSessionClient(DrmHal* drm) : mDrm(drm) {}
-
-    virtual bool reclaimSession(const Vector<uint8_t>& sessionId) {
-        sp<DrmHal> drm = mDrm.promote();
-        if (drm == NULL) {
-            return true;
-        }
-        status_t err = drm->closeSession(sessionId);
-        if (err != OK) {
-            return false;
-        }
-        drm->sendEvent(EventType::SESSION_RECLAIMED,
-                toHidlVec(sessionId), hidl_vec<uint8_t>());
+bool DrmHal::DrmSessionClient::reclaimResource() {
+    sp<DrmHal> drm = mDrm.promote();
+    if (drm == NULL) {
         return true;
     }
+    status_t err = drm->closeSession(mSessionId);
+    if (err != OK) {
+        return false;
+    }
+    drm->sendEvent(EventType::SESSION_RECLAIMED,
+            toHidlVec(mSessionId), hidl_vec<uint8_t>());
+    return true;
+}
 
-protected:
-    virtual ~DrmSessionClient() {}
+String8 DrmHal::DrmSessionClient::getName() {
+    String8 name;
+    sp<DrmHal> drm = mDrm.promote();
+    if (drm == NULL) {
+        name.append("<deleted>");
+    } else if (drm->getPropertyStringInternal(String8("vendor"), name) != OK
+        || name.isEmpty()) {
+      name.append("<Get vendor failed or is empty>");
+    }
+    name.append("[");
+    for (size_t i = 0; i < mSessionId.size(); ++i) {
+        name.appendFormat("%02x", mSessionId[i]);
+    }
+    name.append("]");
+    return name;
+}
 
-private:
-    wp<DrmHal> mDrm;
-
-    DISALLOW_EVIL_CONSTRUCTORS(DrmSessionClient);
-};
+DrmHal::DrmSessionClient::~DrmSessionClient() {
+    DrmSessionManager::Instance()->removeSession(mSessionId);
+}
 
 DrmHal::DrmHal()
-   : mDrmSessionClient(new DrmSessionClient(this)),
-     mFactories(makeDrmFactories()),
+   : mFactories(makeDrmFactories()),
      mInitCheck((mFactories.size() == 0) ? ERROR_UNSUPPORTED : NO_INIT) {
 }
 
@@ -333,14 +340,13 @@
     auto openSessions = mOpenSessions;
     for (size_t i = 0; i < openSessions.size(); i++) {
         mLock.unlock();
-        closeSession(openSessions[i]);
+        closeSession(openSessions[i]->mSessionId);
         mLock.lock();
     }
     mOpenSessions.clear();
 }
 
 DrmHal::~DrmHal() {
-    DrmSessionManager::Instance()->removeDrm(mDrmSessionClient);
 }
 
 void DrmHal::cleanup() {
@@ -746,9 +752,9 @@
     } while (retry);
 
     if (err == OK) {
-        DrmSessionManager::Instance()->addSession(getCallingPid(),
-                mDrmSessionClient, sessionId);
-        mOpenSessions.push(sessionId);
+        sp<DrmSessionClient> client(new DrmSessionClient(this, sessionId));
+        DrmSessionManager::Instance()->addSession(getCallingPid(), client, sessionId);
+        mOpenSessions.push(client);
         mMetrics.SetSessionStart(sessionId);
     }
 
@@ -765,7 +771,7 @@
         if (status == Status::OK) {
             DrmSessionManager::Instance()->removeSession(sessionId);
             for (size_t i = 0; i < mOpenSessions.size(); i++) {
-                if (mOpenSessions[i] == sessionId) {
+                if (isEqualSessionId(mOpenSessions[i]->mSessionId, sessionId)) {
                     mOpenSessions.removeAt(i);
                     break;
                 }