1 files changed, 71 insertions, 0 deletions
diff --git a/mtp/ffs/MtpDevHandle.cpp b/mtp/ffs/MtpDevHandle.cpp
new file mode 100644
index 000000000..d6a8b820d
--- /dev/null
+++ b/mtp/ffs/MtpDevHandle.cpp
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#include <android-base/logging.h>
+#include <cutils/properties.h>
+#include <dirent.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <linux/usb/ch9.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/endian.h>
+#include <unistd.h>
+
+#include "MtpDevHandle.h"
+
+constexpr char mtp_dev_path[] = "/dev/mtp_usb";
+
+MtpDevHandle::MtpDevHandle()
+	: mFd(-1) {};
+
+MtpDevHandle::~MtpDevHandle() {}
+
+int MtpDevHandle::read(void *data, size_t len) {
+	return ::read(mFd, data, len);
+}
+
+int MtpDevHandle::write(const void *data, size_t len) {
+	return ::write(mFd, data, len);
+}
+
+int MtpDevHandle::receiveFile(mtp_file_range mfr, bool) {
+	return ioctl(mFd, MTP_RECEIVE_FILE, reinterpret_cast<unsigned long>(&mfr));
+}
+
+int MtpDevHandle::sendFile(mtp_file_range mfr) {
+	return ioctl(mFd, MTP_SEND_FILE_WITH_HEADER, reinterpret_cast<unsigned long>(&mfr));
+}
+
+int MtpDevHandle::sendEvent(mtp_event me) {
+	return ioctl(mFd, MTP_SEND_EVENT, reinterpret_cast<unsigned long>(&me));
+}
+
+int MtpDevHandle::start(bool /* ptp */) {
+	mFd.reset(TEMP_FAILURE_RETRY(open(mtp_dev_path, O_RDWR)));
+	if (mFd == -1) return -1;
+	return 0;
+}
+
+void MtpDevHandle::close() {
+	mFd.reset();
+}
+
+bool MtpDevHandle::writeDescriptors(bool usePtp) { return usePtp; }