1 files changed, 154 insertions, 0 deletions
diff --git a/media/mtp/MtpServer.h b/media/mtp/MtpServer.h
new file mode 100644
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--- /dev/null
+++ b/media/mtp/MtpServer.h
@@ -0,0 +1,154 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef _MTP_SERVER_H
+#define _MTP_SERVER_H
+
+#include "MtpRequestPacket.h"
+#include "MtpDataPacket.h"
+#include "MtpResponsePacket.h"
+#include "MtpEventPacket.h"
+#include "mtp.h"
+#include "MtpUtils.h"
+
+#include <utils/threads.h>
+
+namespace android {
+
+class MtpDatabase;
+class MtpStorage;
+
+class MtpServer {
+
+private:
+    // file descriptor for MTP kernel driver
+    int                 mFD;
+
+    MtpDatabase*        mDatabase;
+
+    // appear as a PTP device
+    bool                mPtp;
+
+    // group to own new files and folders
+    int                 mFileGroup;
+    // permissions for new files and directories
+    int                 mFilePermission;
+    int                 mDirectoryPermission;
+
+    // current session ID
+    MtpSessionID        mSessionID;
+    // true if we have an open session and mSessionID is valid
+    bool                mSessionOpen;
+
+    MtpRequestPacket    mRequest;
+    MtpDataPacket       mData;
+    MtpResponsePacket   mResponse;
+    MtpEventPacket      mEvent;
+
+    MtpStorageList      mStorages;
+
+    // handle for new object, set by SendObjectInfo and used by SendObject
+    MtpObjectHandle     mSendObjectHandle;
+    MtpObjectFormat     mSendObjectFormat;
+    MtpString           mSendObjectFilePath;
+    size_t              mSendObjectFileSize;
+
+    Mutex               mMutex;
+
+    // represents an MTP object that is being edited using the android extensions
+    // for direct editing (BeginEditObject, SendPartialObject, TruncateObject and EndEditObject)
+    class ObjectEdit {
+        public:
+        MtpObjectHandle     mHandle;
+        MtpString           mPath;
+        uint64_t            mSize;
+        MtpObjectFormat     mFormat;
+        int                 mFD;
+
+        ObjectEdit(MtpObjectHandle handle, const char* path, uint64_t size,
+            MtpObjectFormat format, int fd)
+                : mHandle(handle), mPath(path), mSize(size), mFormat(format), mFD(fd) {
+            }
+
+        virtual ~ObjectEdit() {
+            close(mFD);
+        }
+    };
+    Vector<ObjectEdit*>  mObjectEditList;
+
+public:
+                        MtpServer(int fd, MtpDatabase* database, bool ptp,
+                                    int fileGroup, int filePerm, int directoryPerm);
+    virtual             ~MtpServer();
+
+    MtpStorage*         getStorage(MtpStorageID id);
+    inline bool         hasStorage() { return mStorages.size() > 0; }
+    bool                hasStorage(MtpStorageID id);
+    void                addStorage(MtpStorage* storage);
+    void                removeStorage(MtpStorage* storage);
+
+    void                run();
+
+    void                sendObjectAdded(MtpObjectHandle handle);
+    void                sendObjectRemoved(MtpObjectHandle handle);
+
+private:
+    void                sendStoreAdded(MtpStorageID id);
+    void                sendStoreRemoved(MtpStorageID id);
+    void                sendEvent(MtpEventCode code, uint32_t param1);
+
+    void                addEditObject(MtpObjectHandle handle, MtpString& path,
+                                uint64_t size, MtpObjectFormat format, int fd);
+    ObjectEdit*         getEditObject(MtpObjectHandle handle);
+    void                removeEditObject(MtpObjectHandle handle);
+    void                commitEdit(ObjectEdit* edit);
+
+    bool                handleRequest();
+
+    MtpResponseCode     doGetDeviceInfo();
+    MtpResponseCode     doOpenSession();
+    MtpResponseCode     doCloseSession();
+    MtpResponseCode     doGetStorageIDs();
+    MtpResponseCode     doGetStorageInfo();
+    MtpResponseCode     doGetObjectPropsSupported();
+    MtpResponseCode     doGetObjectHandles();
+    MtpResponseCode     doGetNumObjects();
+    MtpResponseCode     doGetObjectReferences();
+    MtpResponseCode     doSetObjectReferences();
+    MtpResponseCode     doGetObjectPropValue();
+    MtpResponseCode     doSetObjectPropValue();
+    MtpResponseCode     doGetDevicePropValue();
+    MtpResponseCode     doSetDevicePropValue();
+    MtpResponseCode     doResetDevicePropValue();
+    MtpResponseCode     doGetObjectPropList();
+    MtpResponseCode     doGetObjectInfo();
+    MtpResponseCode     doGetObject();
+    MtpResponseCode     doGetThumb();
+    MtpResponseCode     doGetPartialObject(MtpOperationCode operation);
+    MtpResponseCode     doSendObjectInfo();
+    MtpResponseCode     doSendObject();
+    MtpResponseCode     doDeleteObject();
+    MtpResponseCode     doGetObjectPropDesc();
+    MtpResponseCode     doGetDevicePropDesc();
+    MtpResponseCode     doSendPartialObject();
+    MtpResponseCode     doTruncateObject();
+    MtpResponseCode     doBeginEditObject();
+    MtpResponseCode     doEndEditObject();
+};
+
+}; // namespace android
+
+#endif // _MTP_SERVER_H