// -*- mode: cpp; mode: fold -*- // Description /*{{{*/// $Id: http.h,v 1.12 2002/04/18 05:09:38 jgg Exp $ // $Id: http.h,v 1.12 2002/04/18 05:09:38 jgg Exp $ /* ###################################################################### HTTP Acquire Method - This is the HTTP aquire method for APT. ##################################################################### */ /*}}}*/ #ifndef APT_HTTP_H #define APT_HTTP_H #include <apt-pkg/strutl.h> #include <string> #include "server.h" using std::cout; using std::endl; class HttpMethod; class Hashes; class CircleBuf { unsigned char *Buf; unsigned long long Size; unsigned long long InP; unsigned long long OutP; std::string OutQueue; unsigned long long StrPos; unsigned long long MaxGet; struct timeval Start; static unsigned long long BwReadLimit; static unsigned long long BwTickReadData; static struct timeval BwReadTick; static const unsigned int BW_HZ; unsigned long long LeftRead() const { unsigned long long Sz = Size - (InP - OutP); if (Sz > Size - (InP%Size)) Sz = Size - (InP%Size); return Sz; } unsigned long long LeftWrite() const { unsigned long long Sz = InP - OutP; if (InP > MaxGet) Sz = MaxGet - OutP; if (Sz > Size - (OutP%Size)) Sz = Size - (OutP%Size); return Sz; } void FillOut(); public: Hashes *Hash; // Read data in bool Read(int Fd); bool Read(std::string Data); // Write data out bool Write(int Fd); bool WriteTillEl(std::string &Data,bool Single = false); // Control the write limit void Limit(long long Max) {if (Max == -1) MaxGet = 0-1; else MaxGet = OutP + Max;} bool IsLimit() const {return MaxGet == OutP;}; void Print() const {cout << MaxGet << ',' << OutP << endl;}; // Test for free space in the buffer bool ReadSpace() const {return Size - (InP - OutP) > 0;}; bool WriteSpace() const {return InP - OutP > 0;}; // Dump everything void Reset(); void Stats(); CircleBuf(unsigned long long Size); ~CircleBuf(); }; struct HttpServerState: public ServerState { // This is the connection itself. Output is data FROM the server CircleBuf In; CircleBuf Out; int ServerFd; protected: virtual bool ReadHeaderLines(std::string &Data); virtual bool LoadNextResponse(bool const ToFile, FileFd * const File); virtual bool WriteResponse(std::string const &Data); public: virtual void Reset() { ServerState::Reset(); ServerFd = -1; }; virtual bool RunData(FileFd * const File); virtual bool Open(); virtual bool IsOpen(); virtual bool Close(); virtual bool InitHashes(FileFd &File); virtual Hashes * GetHashes(); virtual bool Die(FileFd &File); virtual bool Flush(FileFd * const File); virtual bool Go(bool ToFile, FileFd * const File); HttpServerState(URI Srv, HttpMethod *Owner); virtual ~HttpServerState() {Close();}; }; class HttpMethod : public ServerMethod { public: virtual void SendReq(FetchItem *Itm); /** \brief Try to AutoDetect the proxy */ bool AutoDetectProxy(); virtual bool Configuration(std::string Message); virtual ServerState * CreateServerState(URI uri); virtual void RotateDNS(); protected: std::string AutoDetectProxyCmd; public: friend struct HttpServerState; HttpMethod() : ServerMethod("1.2",Pipeline | SendConfig) { File = 0; Server = 0; }; }; #endif