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/* -*- c++ -*- */
// Hey, Emacs! This is a C++ file.
// $Id$
// ============================================================================
//
// = LIBRARY
// apps/JAWS/clients/Caching
//
// = FILENAME
// http_handler.h
//
// = AUTHOR
// James Hu
//
// ============================================================================
#include "ace/Connector.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/SOCK_Connector.h"
class HTTP_Handler : public ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH>
// = TITLE
// A simple HTTP protocol handler for clients.
//
// = DESCRIPTION
// Checks to see if the requested file is already cached. If
// so, it says so. If not, the request is issued to the
// connection. The fetched file is cached.
{
public:
// = Initialization methods.
HTTP_Handler (void);
HTTP_Handler (const char * path);
virtual int open (void *);
// Open hook.
virtual int svc (void);
// Entry points defined by the abstract Svc_Handler.
const char *filename (void) const;
// Accessor to the file being fetched.
private:
char request_[BUFSIZ];
int request_size_;
char filename_[BUFSIZ];
int response_size_;
};
class HTTP_Connector
// = TITLE
// A simple HTTP connector.
//
// = DESCRIPTION
// Creates an HTTP Handler based on the URL, and then delegates
// to to the SOCK_CONNECTOR. Adapter pattern.
{
public:
int connect (const char * url);
// User entry point into the HTTP connector.
private:
int parseurl (const char *url,
char *host,
u_short *port,
char *path);
// Helper function.
private:
ACE_Connector<HTTP_Handler, ACE_SOCK_CONNECTOR> connector_;
// Factory that actively establishes a connection with an HTTP
// server.
};
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