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);
}
public int doWrite(ByteChunk chunk, Response res) throws IOException {
if (!res.isCommitted()) {
// Send the connector a request for commit. The connector should
// then validate the headers, send them (using sendHeader) and
// set the filters accordingly.
res.sendHeaders();
}
int len = chunk.getLength();
byte buf[] = outputMsg.getBuffer();
// 4 - hardcoded, byte[] marshalling overhead
int chunkSize = buf.length - outputMsg.getHeaderLength() - 4;
int off = 0;
while (len > 0) {
int thisTime = len;
if (thisTime > chunkSize) {
thisTime = chunkSize;
}
len -= thisTime;
outputMsg.reset();
outputMsg.appendByte(AjpConstants.JK_AJP13_SEND_BODY_CHUNK);
if (log.isTraceEnabled()) log.trace("doWrite " + off + " " + thisTime + " " + len);
outputMsg.appendBytes(chunk.getBytes(), chunk.getOffset() + off, thisTime);
off += thisTime;
mc.getSource().send(outputMsg, mc);
}
return 0;
}