Examples of HmuxRequest

com.caucho.server.hmux.HmuxRequest

Handles requests from a remote dispatcher. For example, mod_caucho and the IIS plugin use this protocol to talk to the backend.

Packets are straightforward:

code l2 l1 l0 contents

Where code is the code of the packet and l2-0 give 12 bits of length.

The protocol is designed to allow pipelining and buffering whenever possible. So most commands are not acked. Data from the frontend (POST) does need acks to prevent deadlocks at either end while waiting for new data.

The overriding protocol is controlled by requests from the frontend server.

A ping request:

 Frontend Backend CSE_PING CSE_END CSE_END  A GET request: 
 Frontend Backend CSE_METHOD ... CSE_HEADER/CSE_VALUE CSE_END CSE_DATA CSE_DATA CSE_END  Short POST: 
 Frontend Backend CSE_METHOD ... CSE_HEADER/CSE_VALUE CSE_DATA CSE_END CSE_DATA CSE_DATA CSE_END  Long POST: 
 Frontend Backend CSE_METHOD ... CSE_HEADER/CSE_VALUE CSE_DATA CSE_DATA (optional) CSE_DATA CSE_ACK CSE_DATA (optional) CSE_DATA CSE_ACK CSE_END CSE_DATA CSE_END

Examples of com.caucho.server.hmux.HmuxRequest


      res.sendError(HttpServletResponse.SC_NOT_FOUND);
      return false;
    }


    HmuxRequest hmuxRequest = (HmuxRequest) request;


    if (!request.getServletPath().equals("")) {
      log.warning(L.l("{0} attempt with invalid servlet-path '{1}' from address '{2}'",
                     _serviceName, request.getServletPath(), request.getRemoteAddr()));


      res.sendError(HttpServletResponse.SC_NOT_FOUND);
      return false;


    }


    if (request.getPathInfo() != null) {
      log.warning(L.l("{0} attempt with invalid path-info '{1}' from address '{2}'",
                      _serviceName, request.getPathInfo(), request.getRemoteAddr()));


      res.sendError(HttpServletResponse.SC_NOT_FOUND);
      return false;


    }


    // The remote test needs to be last to allow the other QA to work properly
    // XXX: this should be configurable, i.e. setReadConstraints and setWriteConstraints


    String remoteAddr = hmuxRequest.getRemoteAddr();


    boolean isValidAddr = false;
    for (int i = 0; i < _allowedNetworks.length; i++) {
      if (_allowedNetworks[i].isMatch(remoteAddr))
        isValidAddr = true;

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Examples of com.caucho.server.hmux.HmuxRequest


      res.sendError(HttpServletResponse.SC_NOT_FOUND);
      return false;
    }


    HmuxRequest hmuxRequest = (HmuxRequest) request;


    if (!request.getServletPath().equals("")) {
      log.warning(L.l("{0} attempt with invalid servlet-path '{1}' from address '{2}'",
                     _serviceName, request.getServletPath(), request.getRemoteAddr()));


      res.sendError(HttpServletResponse.SC_NOT_FOUND);
      return false;


    }


    if (request.getPathInfo() != null) {
      log.warning(L.l("{0} attempt with invalid path-info '{1}' from address '{2}'",
                      _serviceName, request.getPathInfo(), request.getRemoteAddr()));


      res.sendError(HttpServletResponse.SC_NOT_FOUND);
      return false;


    }


    // The remote test needs to be last to allow the other QA to work properly
    // XXX: this should be configurable, i.e. setReadConstraints and setWriteConstraints


    String remoteAddr = hmuxRequest.getRemoteAddr();


    boolean isValidAddr = false;
    for (int i = 0; i < _allowedNetworks.length; i++) {
      if (_allowedNetworks[i].isMatch(remoteAddr))
        isValidAddr = true;

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