/** Logs a request using the current format. */
public void log(HttpServletRequest req, HttpServletResponse res, ServletContext application)
throws IOException {
// server/1kk7
CauchoRequest cRequest = (CauchoRequest) req;
HttpServletResponseImpl responseImpl = (HttpServletResponseImpl) res;
AbstractHttpRequest absRequest = cRequest.getAbstractHttpRequest();
HttpServletRequestImpl request = absRequest.getRequestFacade();
AbstractHttpResponse response = responseImpl.getAbstractHttpResponse();
// skip excluded urls
if (_excludes.length > 0) {
byte[] data = absRequest.getUriBuffer();
int sublen = absRequest.getUriLength();
String uri = new String(data, 0, sublen);
for (Pattern pattern : _excludes) {
if (pattern.matcher(uri).find()) {
return;
}
}
}
LogBuffer logBuffer = _logWriter.allocateBuffer();
try {
byte[] buffer = logBuffer.getBuffer();
int length = log(request, responseImpl, response, buffer, 0, buffer.length);
logBuffer.setLength(length);
_logWriter.writeBuffer(logBuffer);
logBuffer = null;
} finally {
if (logBuffer != null) _logWriter.freeBuffer(logBuffer);
}
}
/**
* Logs a request using the current format.
*
* @param request the servlet request.
* @param response the servlet response.
* @param buffer byte buffer containing the response
* @param offset buffer starting offset
* @param length length allowed in the buffer
* @return the new tail of the buffer
*/
private int log(
HttpServletRequestImpl request,
HttpServletResponseImpl responseFacade,
AbstractHttpResponse response,
byte[] buffer,
int offset,
int length)
throws IOException {
AbstractHttpRequest absRequest = request.getAbstractHttpRequest();
int len = _segments.length;
for (int i = 0; i < len; i++) {
Segment segment = _segments[i];
String value = null;
CharSegment csValue = null;
switch (segment._code) {
case Segment.TEXT:
int sublen = segment._data.length;
byte[] data = segment._data;
for (int j = 0; j < sublen; j++) buffer[offset++] = data[j];
break;
case Segment.CHAR:
buffer[offset++] = segment._ch;
break;
case 'b':
if (responseFacade.getStatus() == 304) buffer[offset++] = (byte) '-';
else offset = print(buffer, offset, response.getContentLength());
break;
// cookie
case 'c':
Cookie cookie = request.getCookie(segment._string);
if (cookie == null) cookie = responseFacade.getCookie(segment._string);
if (cookie == null) buffer[offset++] = (byte) '-';
else offset = print(buffer, offset, cookie.getValue());
break;
// set cookie
case Segment.SET_COOKIE:
ArrayList<Cookie> cookies = responseFacade.getCookies();
if (cookies == null || cookies.size() == 0) buffer[offset++] = (byte) '-';
else {
_cb.clear();
response.fillCookie(_cb, (Cookie) cookies.get(0), 0, 0, false);
offset = print(buffer, offset, _cb.getBuffer(), 0, _cb.getLength());
}
break;
case 'h':
if (isHostnameDnsLookup()) {
String addrName = request.getRemoteAddr();
InetAddress addr = InetAddress.getByName(addrName);
offset = print(buffer, offset, addr.getHostName());
} else offset = absRequest.printRemoteAddr(buffer, offset);
break;
// input header
case 'i':
csValue = absRequest.getHeaderBuffer(segment._string);
if (csValue == null) buffer[offset++] = (byte) '-';
else offset = print(buffer, offset, csValue);
break;
case 'l':
buffer[offset++] = (byte) '-';
break;
// request attribute
case 'n':
Object oValue = request.getAttribute(segment._string);
if (oValue == null) buffer[offset++] = (byte) '-';
else offset = print(buffer, offset, String.valueOf(oValue));
break;
// output header
case 'o':
value = response.getHeader(segment._string);
if (value == null) buffer[offset++] = (byte) '-';
else offset = print(buffer, offset, value);
break;
case 'r':
offset = print(buffer, offset, request.getMethod());
buffer[offset++] = (byte) ' ';
data = absRequest.getUriBuffer();
sublen = absRequest.getUriLength();
// server/02e9
if (buffer.length - offset - 128 < sublen) {
sublen = buffer.length - offset - 128;
System.arraycopy(data, 0, buffer, offset, sublen);
offset += sublen;
buffer[offset++] = (byte) '.';
buffer[offset++] = (byte) '.';
buffer[offset++] = (byte) '.';
} else {
System.arraycopy(data, 0, buffer, offset, sublen);
offset += sublen;
}
buffer[offset++] = (byte) ' ';
offset = print(buffer, offset, request.getProtocol());
break;
case 's':
int status = responseFacade.getStatus();
buffer[offset++] = (byte) ('0' + (status / 100) % 10);
buffer[offset++] = (byte) ('0' + (status / 10) % 10);
buffer[offset++] = (byte) ('0' + status % 10);
break;
case 't':
long date = Alarm.getCurrentTime();
if (date / 1000 != _lastTime / 1000) fillTime(date);
sublen = _timeBuffer.getLength();
data = _timeBuffer.getBuffer();
synchronized (_timeBuffer) {
System.arraycopy(data, 0, buffer, offset, sublen);
}
offset += sublen;
break;
case 'T':
{
long startTime = request.getStartTime();
long endTime = Alarm.getCurrentTime();
offset = print(buffer, offset, (int) ((endTime - startTime + 500) / 1000));
break;
}
case 'D':
{
long startTime = request.getStartTime();
long endTime = Alarm.getCurrentTime();
offset = print(buffer, offset, (int) ((endTime - startTime) * 1000));
break;
}
case 'u':
value = request.getRemoteUser(false);
if (value == null) buffer[offset++] = (byte) '-';
else {
buffer[offset++] = (byte) '"';
offset = print(buffer, offset, value);
buffer[offset++] = (byte) '"';
}
break;
case 'v':
value = request.getServerName();
if (value == null) buffer[offset++] = (byte) '-';
else {
offset = print(buffer, offset, value);
}
break;
case 'U':
offset = print(buffer, offset, request.getRequestURI());
break;
default:
throw new IOException();
}
}
return offset;
}