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79bb884eec
include fastcgi library for ease of windows builds NOTE: included fastcgi library is modified for thread safety, but fastcgi support in cgi_main.c is only written for single threaded serving. This does not present any issue for using fastcgi.
148 lines
3.5 KiB
C++
148 lines
3.5 KiB
C++
//
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// Provides support for FastCGI via C++ iostreams.
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//
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// $Id$
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//
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// This work is based on routines written by George Feinberg. They
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// have been mostly re-written and extensively changed by
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// Michael Richards.
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//
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// Rewritten again with bug fixes and numerous enhancements by
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// Michael Shell.
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//
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// And rewritten again by Rob Saccoccio.
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//
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// Special Thanks to Dietmar Kuehl for his help and the numerous custom
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// streambuf examples on his web site.
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//
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// Copyright (c) 2000 Tux the Linux Penguin
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// Copyright (c) 2001 Rob Saccoccio and Chelsea Networks
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//
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// You are free to use this software without charge or royalty
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// as long as this notice is not removed or altered, and recognition
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// is given to the author(s)
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//
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// This code is offered as-is without any warranty either expressed or
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// implied; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. If it breaks, you get to keep
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// both halves.
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#ifndef FCGIO_H
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#define FCGIO_H
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#include <iostream.h>
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#include "fcgiapp.h"
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#ifndef DLLAPI
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#ifdef _WIN32
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#define DLLAPI __declspec(dllimport)
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#else
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#define DLLAPI
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#endif
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#endif
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/*
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* fcgi_streambuf
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*/
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class fcgi_streambuf : public streambuf
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{
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public:
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// Note that if no buf is assigned (the default), iostream methods
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// such as peek(), unget() and putback() will fail. If a buf is
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// assigned, I/O is a bit less effecient and output streams will
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// have to be flushed (or the streambuf destroyed) before the next
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// call to "accept".
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DLLAPI fcgi_streambuf(FCGX_Stream * fcgx, char * buf, int len);
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DLLAPI fcgi_streambuf(char * buf, int len);
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DLLAPI fcgi_streambuf(FCGX_Stream * fcgx = NULL);
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DLLAPI ~fcgi_streambuf(void);
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DLLAPI int attach(FCGX_Stream * fcgx);
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protected:
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// Consume the put area (if buffered) and c (if c is not EOF).
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DLLAPI virtual int overflow(int);
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// Flush the put area (if buffered) and the FCGX buffer to the client.
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DLLAPI virtual int sync();
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// Remove and return the current character.
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DLLAPI virtual int uflow();
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// Fill the get area (if buffered) and return the current character.
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DLLAPI virtual int underflow();
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// Use a buffer. The only reasons that a buffer would be useful is
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// to support the use of the unget()/putback() or seek() methods. Using
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// a buffer will result in less efficient I/O. Note: the underlying
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// FastCGI library (FCGX) maintains its own input and output buffers.
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DLLAPI virtual streambuf * setbuf(char * buf, int len);
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DLLAPI virtual int xsgetn(char * s, int n);
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DLLAPI virtual int xsputn(const char * s, int n);
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private:
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FCGX_Stream * fcgx;
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// buf is just handy to have around
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char * buf;
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// this isn't kept by the base class
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int bufsize;
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void init(FCGX_Stream * fcgx, char * buf, int bufsize);
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void reset(void);
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};
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/*
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* fcgi_istream - deprecated
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*/
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class fcgi_istream : public istream
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{
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public:
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// deprecated
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DLLAPI fcgi_istream(FCGX_Stream * fcgx = NULL);
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// deprecated
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DLLAPI ~fcgi_istream(void) {}
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// deprecated
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DLLAPI virtual void attach(FCGX_Stream * fcgx);
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private:
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fcgi_streambuf fcgi_strmbuf;
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};
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/*
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* fcgi_ostream - deprecated
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*/
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class fcgi_ostream : public ostream
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{
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public:
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// deprecated
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DLLAPI fcgi_ostream(FCGX_Stream * fcgx = NULL);
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// deprecated
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DLLAPI ~fcgi_ostream(void) {}
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// deprecated
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DLLAPI virtual void attach(FCGX_Stream *fcgx);
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private:
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fcgi_streambuf fcgi_strmbuf;
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};
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#endif /* FCGIO_H */
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