audio policy: session route: move SessionRoute to common

Move the SessionRoute and SessionRouteMap inner class from policy
manager to common policy pillars as initiated by the refactor.

This code was added at teh wrong place by commit aa981194.

Bug: 22376521.

Change-Id: I29aca21614e409c59aae4b7b14163552fb0bffb1
Signed-off-by: François Gaffie <francois.gaffie@intel.com>

1 files changed, 124 insertions, 0 deletions

diff --git a/services/audiopolicy/common/managerdefinitions/src/SessionRoute.cpp b/services/audiopolicy/common/managerdefinitions/src/SessionRoute.cpp
new file mode 100644
index 0000000..7ecfa44
--- /dev/null
+++ b/services/audiopolicy/common/managerdefinitions/src/SessionRoute.cpp
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "APM::SessionRoute"
+//#define LOG_NDEBUG 0
+
+#include "SessionRoute.h"
+#include "HwModule.h"
+#include "AudioGain.h"
+#include "DeviceDescriptor.h"
+#include <utils/Log.h>
+
+namespace android {
+
+// --- SessionRoute class implementation
+void SessionRoute::log(const char* prefix)
+{
+    ALOGI("%s[SessionRoute strm:0x%X, src:%d, sess:0x%X, dev:0x%X refs:%d act:%d",
+          prefix, mStreamType, mSource, mSession,
+          mDeviceDescriptor != 0 ? mDeviceDescriptor->type() : AUDIO_DEVICE_NONE,
+          mRefCount, mActivityCount);
+}
+
+// --- SessionRouteMap class implementation
+bool SessionRouteMap::hasRoute(audio_session_t session)
+{
+    return indexOfKey(session) >= 0 && valueFor(session)->mDeviceDescriptor != 0;
+}
+
+bool SessionRouteMap::hasRouteChanged(audio_session_t session)
+{
+    if (indexOfKey(session) >= 0) {
+        if (valueFor(session)->mChanged) {
+            valueFor(session)->mChanged = false;
+            return true;
+        }
+    }
+    return false;
+}
+
+void SessionRouteMap::removeRoute(audio_session_t session)
+{
+    sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0;
+    if (route != 0) {
+        ALOG_ASSERT(route->mRefCount > 0);
+        --route->mRefCount;
+        if (route->mRefCount <= 0) {
+            removeItem(session);
+        }
+    }
+}
+
+int SessionRouteMap::incRouteActivity(audio_session_t session)
+{
+    sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0;
+    return route != 0 ? ++(route->mActivityCount) : -1;
+}
+
+int SessionRouteMap::decRouteActivity(audio_session_t session)
+{
+    sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0;
+    if (route != 0 && route->mActivityCount > 0) {
+        return --(route->mActivityCount);
+    } else {
+        return -1;
+    }
+}
+
+void SessionRouteMap::log(const char* caption)
+{
+    ALOGI("%s ----", caption);
+    for(size_t index = 0; index < size(); index++) {
+        valueAt(index)->log("  ");
+    }
+}
+
+void SessionRouteMap::addRoute(audio_session_t session,
+                               audio_stream_type_t streamType,
+                               audio_source_t source,
+                               sp<DeviceDescriptor> descriptor,
+                               uid_t uid)
+{
+    if (mMapType == MAPTYPE_INPUT && streamType != SessionRoute::STREAM_TYPE_NA) {
+        ALOGE("Adding Output Route to InputRouteMap");
+        return;
+    } else if (mMapType == MAPTYPE_OUTPUT && source != SessionRoute::SOURCE_TYPE_NA) {
+        ALOGE("Adding Input Route to OutputRouteMap");
+        return;
+    }
+
+    sp<SessionRoute> route = indexOfKey(session) >= 0 ? valueFor(session) : 0;
+
+    if (route != 0) {
+        if (((route->mDeviceDescriptor == 0) && (descriptor != 0)) ||
+                ((route->mDeviceDescriptor != 0) &&
+                 ((descriptor == 0) || (!route->mDeviceDescriptor->equals(descriptor))))) {
+            route->mChanged = true;
+        }
+        route->mRefCount++;
+        route->mDeviceDescriptor = descriptor;
+    } else {
+        route = new SessionRoute(session, streamType, source, descriptor, uid);
+        route->mRefCount++;
+        add(session, route);
+        if (descriptor != 0) {
+            route->mChanged = true;
+        }
+    }
+}
+
+} // namespace android