public void appendHead(Response res) throws IOException {
if (log.isDebugEnabled())
log.debug("COMMIT sending headers " + res + " " + res.getMimeHeaders());
C2BConverter c2b = mc.getConverter();
outputMsg.reset();
outputMsg.appendByte(AjpConstants.JK_AJP13_SEND_HEADERS);
outputMsg.appendInt(res.getStatus());
String message = null;
if (org.apache.coyote.Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER
&& HttpMessages.isSafeInHttpHeader(res.getMessage())) {
message = res.getMessage();
}
if (message == null) {
message = HttpMessages.getMessage(res.getStatus());
}
if (message == null) {
// mod_jk + httpd 2.x fails with a null status message - bug 45026
message = Integer.toString(res.getStatus());
}
tempMB.setString(message);
c2b.convert(tempMB);
outputMsg.appendBytes(tempMB);
// XXX add headers
MimeHeaders headers = res.getMimeHeaders();
String contentType = res.getContentType();
if (contentType != null) {
headers.setValue("Content-Type").setString(contentType);
}
String contentLanguage = res.getContentLanguage();
if (contentLanguage != null) {
headers.setValue("Content-Language").setString(contentLanguage);
}
long contentLength = res.getContentLengthLong();
if (contentLength >= 0) {
headers.setValue("Content-Length").setLong(contentLength);
}
int numHeaders = headers.size();
outputMsg.appendInt(numHeaders);
for (int i = 0; i < numHeaders; i++) {
MessageBytes hN = headers.getName(i);
// no header to sc conversion - there's little benefit
// on this direction
outputMsg.appendBytes(hN);
MessageBytes hV = headers.getValue(i);
outputMsg.appendBytes(hV);
}
mc.getSource().send(outputMsg, mc);
}
/**
* Get more request body data from the web server and store it in the internal buffer.
*
* @return true if there is more data, false if not.
*/
private boolean refillReadBuffer() throws IOException {
// If the server returns an empty packet, assume that that end of
// the stream has been reached (yuck -- fix protocol??).
if (isReplay) {
end_of_stream = true; // we've read everything there is
}
if (end_of_stream) {
if (log.isDebugEnabled()) log.debug("refillReadBuffer: end of stream ");
return false;
}
// Why not use outBuf??
bodyMsg.reset();
bodyMsg.appendByte(AjpConstants.JK_AJP13_GET_BODY_CHUNK);
// Adjust allowed size if packetSize != default (AjpConstants.MAX_PACKET_SIZE)
bodyMsg.appendInt(AjpConstants.MAX_READ_SIZE + packetSize - AjpConstants.MAX_PACKET_SIZE);
if (log.isDebugEnabled()) log.debug("refillReadBuffer " + Thread.currentThread());
mc.getSource().send(bodyMsg, mc);
mc.getSource().flush(bodyMsg, mc); // Server needs to get it
// In JNI mode, response will be in bodyMsg. In TCP mode, response need to be
// read
boolean moreData = receive();
if (!moreData) {
end_of_stream = true;
}
return moreData;
}