void MtpDataPacket::putString(const uint16_t* string) {
int count = 0;
for (int i = 0; i < 256; i++) {
if (string[i])
count++;
else
break;
}
putUInt8(count > 0 ? count + 1 : 0);
for (int i = 0; i < count; i++)
putUInt16(string[i]);
// only terminate with zero if string is not empty
if (count > 0)
putUInt16(0);
}
void openlib::Serializer::putString(const std::string& data) {
if (Serializer::MAX_STRING_LENGTH < data.length()) {
throw std::length_error("string cannot exceed MAX_STRING_LENGTH");
}
putUInt16(data.length());
put(reinterpret_cast<const uint8_t*>(data.c_str()), data.length());
}
// write our buffer to the given endpoint (host mode)
int MtpRequestPacket::write(struct usb_request *request)
{
putUInt32(MTP_CONTAINER_LENGTH_OFFSET, mPacketSize);
putUInt16(MTP_CONTAINER_TYPE_OFFSET, MTP_CONTAINER_TYPE_COMMAND);
request->buffer = mBuffer;
request->buffer_length = mPacketSize;
return transfer(request);
}
int MtpEventPacket::write(int fd) {
struct mtp_event event;
putUInt32(MTP_CONTAINER_LENGTH_OFFSET, mPacketSize);
putUInt16(MTP_CONTAINER_TYPE_OFFSET, MTP_CONTAINER_TYPE_EVENT);
event.data = mBuffer;
event.length = mPacketSize;
int ret = ::ioctl(fd, MTP_SEND_EVENT, (unsigned long)&event);
return (ret < 0 ? ret : 0);
}
int MtpEventPacket::write(int fd) {
struct mtp_event event;
putUInt32(MTP_CONTAINER_LENGTH_OFFSET, mPacketSize);
putUInt16(MTP_CONTAINER_TYPE_OFFSET, MTP_CONTAINER_TYPE_EVENT);
event.data = mBuffer;
event.length = mPacketSize;
int ret = ::ioctl(fd, MTP_SEND_EVENT, (unsigned long)&event);
//Added for USB Develpment debug, more log for more debuging help
sxlog_printf(ANDROID_LOG_VERBOSE, "MtpEventPacket",
"%s: mBuffer = %p, mPacketSize = 0x%d, &event = %p \n", __func__, mBuffer, mPacketSize, (&event));
//Added for USB Develpment debug, more log for more debuging help
return (ret < 0 ? ret : 0);
}
void MtpPacket::setContainerCode(uint16_t code) {
putUInt16(MTP_CONTAINER_CODE_OFFSET, code);
}
int MtpResponsePacket::write(int fd) {
putUInt32(MTP_CONTAINER_LENGTH_OFFSET, mPacketSize);
putUInt16(MTP_CONTAINER_TYPE_OFFSET, MTP_CONTAINER_TYPE_RESPONSE);
int ret = ::write(fd, mBuffer, mPacketSize);
return (ret < 0 ? ret : 0);
}
void MtpDataPacket::putAUInt16(const UInt16List* values) {
size_t count = (values ? values->size() : 0);
putUInt32(count);
for (size_t i = 0; i < count; i++)
putUInt16((*values)[i]);
}
void MtpDataPacket::putAUInt16(const uint16_t* values, int count) {
putUInt32(count);
for (int i = 0; i < count; i++)
putUInt16(*values++);
}
