/**
* Sends a reply to the client. If the reply is a OBEX_HTTP_CONTINUE, it will wait for a response
* from the client before ending.
*
* @param type the response code to send back to the client
* @return <code>true</code> if the final bit was not set on the reply; <code>false</code> if no
* reply was received because the operation ended, an abort was received, or the final bit was
* set in the reply
* @throws IOException if an IO error occurs
*/
public synchronized boolean sendReply(int type) throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
int bytesReceived;
long id = mListener.getConnectionId();
if (id == -1) {
replyHeader.mConnectionID = null;
} else {
replyHeader.mConnectionID = ObexHelper.convertToByteArray(id);
}
byte[] headerArray = ObexHelper.createHeader(replyHeader, true);
int bodyLength = -1;
int orginalBodyLength = -1;
if (mPrivateOutput != null) {
bodyLength = mPrivateOutput.size();
orginalBodyLength = bodyLength;
}
if ((ObexHelper.BASE_PACKET_LENGTH + headerArray.length) > mMaxPacketLength) {
int end = 0;
int start = 0;
while (end != headerArray.length) {
end =
ObexHelper.findHeaderEnd(
headerArray, start, mMaxPacketLength - ObexHelper.BASE_PACKET_LENGTH);
if (end == -1) {
mClosed = true;
if (mPrivateInput != null) {
mPrivateInput.close();
}
if (mPrivateOutput != null) {
mPrivateOutput.close();
}
mParent.sendResponse(ResponseCodes.OBEX_HTTP_INTERNAL_ERROR, null);
throw new IOException("OBEX Packet exceeds max packet size");
}
byte[] sendHeader = new byte[end - start];
System.arraycopy(headerArray, start, sendHeader, 0, sendHeader.length);
mParent.sendResponse(type, sendHeader);
start = end;
}
if (bodyLength > 0) {
return true;
} else {
return false;
}
} else {
out.write(headerArray);
}
// For Get operation: if response code is OBEX_HTTP_OK, then this is the
// last packet; so set finalBitSet to true.
if (mGetOperation && type == ResponseCodes.OBEX_HTTP_OK) {
finalBitSet = true;
}
if ((finalBitSet) || (headerArray.length < (mMaxPacketLength - 20))) {
if (bodyLength > 0) {
/*
* Determine if I can send the whole body or just part of
* the body. Remember that there is the 3 bytes for the
* response message and 3 bytes for the header ID and length
*/
if (bodyLength > (mMaxPacketLength - headerArray.length - 6)) {
bodyLength = mMaxPacketLength - headerArray.length - 6;
}
byte[] body = mPrivateOutput.readBytes(bodyLength);
/*
* Since this is a put request if the final bit is set or
* the output stream is closed we need to send the 0x49
* (End of Body) otherwise, we need to send 0x48 (Body)
*/
if ((finalBitSet) || (mPrivateOutput.isClosed())) {
out.write(0x49);
} else {
out.write(0x48);
}
bodyLength += 3;
out.write((byte) (bodyLength >> 8));
out.write((byte) bodyLength);
out.write(body);
}
}
if ((finalBitSet) && (type == ResponseCodes.OBEX_HTTP_OK) && (orginalBodyLength <= 0)) {
out.write(0x49);
orginalBodyLength = 3;
out.write((byte) (orginalBodyLength >> 8));
out.write((byte) orginalBodyLength);
}
mResponseSize = 3;
mParent.sendResponse(type, out.toByteArray());
if (type == ResponseCodes.OBEX_HTTP_CONTINUE) {
int headerID = mInput.read();
int length = mInput.read();
length = (length << 8) + mInput.read();
if ((headerID != ObexHelper.OBEX_OPCODE_PUT)
&& (headerID != ObexHelper.OBEX_OPCODE_PUT_FINAL)
&& (headerID != ObexHelper.OBEX_OPCODE_GET)
&& (headerID != ObexHelper.OBEX_OPCODE_GET_FINAL)) {
if (length > 3) {
byte[] temp = new byte[length - 3];
// First three bytes already read, compensating for this
bytesReceived = mInput.read(temp);
while (bytesReceived != temp.length) {
bytesReceived += mInput.read(temp, bytesReceived, temp.length - bytesReceived);
}
}
/*
* Determine if an ABORT was sent as the reply
*/
if (headerID == ObexHelper.OBEX_OPCODE_ABORT) {
mParent.sendResponse(ResponseCodes.OBEX_HTTP_OK, null);
mClosed = true;
isAborted = true;
mExceptionString = "Abort Received";
throw new IOException("Abort Received");
} else {
mParent.sendResponse(ResponseCodes.OBEX_HTTP_BAD_REQUEST, null);
mClosed = true;
mExceptionString = "Bad Request Received";
throw new IOException("Bad Request Received");
}
} else {
if ((headerID == ObexHelper.OBEX_OPCODE_PUT_FINAL)) {
finalBitSet = true;
} else if (headerID == ObexHelper.OBEX_OPCODE_GET_FINAL) {
mRequestFinished = true;
}
/*
* Determine if the packet length is larger then this device can receive
*/
if (length > ObexHelper.MAX_PACKET_SIZE_INT) {
mParent.sendResponse(ResponseCodes.OBEX_HTTP_REQ_TOO_LARGE, null);
throw new IOException("Packet received was too large");
}
/*
* Determine if any headers were sent in the initial request
*/
if (length > 3) {
byte[] data = new byte[length - 3];
bytesReceived = mInput.read(data);
while (bytesReceived != data.length) {
bytesReceived += mInput.read(data, bytesReceived, data.length - bytesReceived);
}
byte[] body = ObexHelper.updateHeaderSet(requestHeader, data);
if (body != null) {
mHasBody = true;
}
if (mListener.getConnectionId() != -1 && requestHeader.mConnectionID != null) {
mListener.setConnectionId(ObexHelper.convertToLong(requestHeader.mConnectionID));
} else {
mListener.setConnectionId(1);
}
if (requestHeader.mAuthResp != null) {
if (!mParent.handleAuthResp(requestHeader.mAuthResp)) {
mExceptionString = "Authentication Failed";
mParent.sendResponse(ResponseCodes.OBEX_HTTP_UNAUTHORIZED, null);
mClosed = true;
requestHeader.mAuthResp = null;
return false;
}
requestHeader.mAuthResp = null;
}
if (requestHeader.mAuthChall != null) {
mParent.handleAuthChall(requestHeader);
// send the auhtResp to the client
replyHeader.mAuthResp = new byte[requestHeader.mAuthResp.length];
System.arraycopy(
requestHeader.mAuthResp, 0, replyHeader.mAuthResp, 0, replyHeader.mAuthResp.length);
requestHeader.mAuthResp = null;
requestHeader.mAuthChall = null;
}
if (body != null) {
mPrivateInput.writeBytes(body, 1);
}
}
}
return true;
} else {
return false;
}
}
/**
* Creates new ServerOperation
*
* @param p the parent that created this object
* @param in the input stream to read from
* @param out the output stream to write to
* @param request the initial request that was received from the client
* @param maxSize the max packet size that the client will accept
* @param listen the listener that is responding to the request
* @throws IOException if an IO error occurs
*/
public ServerOperation(
ServerSession p, InputStream in, int request, int maxSize, ServerRequestHandler listen)
throws IOException {
isAborted = false;
mParent = p;
mInput = in;
mMaxPacketLength = maxSize;
mClosed = false;
requestHeader = new HeaderSet();
replyHeader = new HeaderSet();
mPrivateInput = new PrivateInputStream(this);
mResponseSize = 3;
mListener = listen;
mRequestFinished = false;
mPrivateOutputOpen = false;
mHasBody = false;
int bytesReceived;
/*
* Determine if this is a PUT request
*/
if ((request == 0x02) || (request == 0x82)) {
/*
* It is a PUT request.
*/
mGetOperation = false;
/*
* Determine if the final bit is set
*/
if ((request & 0x80) == 0) {
finalBitSet = false;
} else {
finalBitSet = true;
mRequestFinished = true;
}
} else if ((request == 0x03) || (request == 0x83)) {
/*
* It is a GET request.
*/
mGetOperation = true;
// For Get request, final bit set is decided by server side logic
finalBitSet = false;
if (request == 0x83) {
mRequestFinished = true;
}
} else {
throw new IOException("ServerOperation can not handle such request");
}
int length = in.read();
length = (length << 8) + in.read();
/*
* Determine if the packet length is larger than this device can receive
*/
if (length > ObexHelper.MAX_PACKET_SIZE_INT) {
mParent.sendResponse(ResponseCodes.OBEX_HTTP_REQ_TOO_LARGE, null);
throw new IOException("Packet received was too large");
}
/*
* Determine if any headers were sent in the initial request
*/
if (length > 3) {
byte[] data = new byte[length - 3];
bytesReceived = in.read(data);
while (bytesReceived != data.length) {
bytesReceived += in.read(data, bytesReceived, data.length - bytesReceived);
}
byte[] body = ObexHelper.updateHeaderSet(requestHeader, data);
if (body != null) {
mHasBody = true;
}
if (mListener.getConnectionId() != -1 && requestHeader.mConnectionID != null) {
mListener.setConnectionId(ObexHelper.convertToLong(requestHeader.mConnectionID));
} else {
mListener.setConnectionId(1);
}
if (requestHeader.mAuthResp != null) {
if (!mParent.handleAuthResp(requestHeader.mAuthResp)) {
mExceptionString = "Authentication Failed";
mParent.sendResponse(ResponseCodes.OBEX_HTTP_UNAUTHORIZED, null);
mClosed = true;
requestHeader.mAuthResp = null;
return;
}
}
if (requestHeader.mAuthChall != null) {
mParent.handleAuthChall(requestHeader);
// send the authResp to the client
replyHeader.mAuthResp = new byte[requestHeader.mAuthResp.length];
System.arraycopy(
requestHeader.mAuthResp, 0, replyHeader.mAuthResp, 0, replyHeader.mAuthResp.length);
requestHeader.mAuthResp = null;
requestHeader.mAuthChall = null;
}
if (body != null) {
mPrivateInput.writeBytes(body, 1);
} else {
while ((!mGetOperation) && (!finalBitSet)) {
sendReply(ResponseCodes.OBEX_HTTP_CONTINUE);
if (mPrivateInput.available() > 0) {
break;
}
}
}
}
while ((!mGetOperation) && (!finalBitSet) && (mPrivateInput.available() == 0)) {
sendReply(ResponseCodes.OBEX_HTTP_CONTINUE);
if (mPrivateInput.available() > 0) {
break;
}
}
// wait for get request finished !!!!
while (mGetOperation && !mRequestFinished) {
sendReply(ResponseCodes.OBEX_HTTP_CONTINUE);
}
}
