// $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.
+ HTTP Acquire Method - This is the HTTP acquire method for APT.
##################################################################### */
/*}}}*/
#ifndef APT_HTTP_H
#define APT_HTTP_H
-#define MAXLEN 360
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/acquire-method.h>
-#include <apt-pkg/hashes.h>
+#include <string>
+#include <sys/time.h>
+#include <iostream>
+
+#include "server.h"
using std::cout;
using std::endl;
+class FileFd;
class HttpMethod;
+class Hashes;
class CircleBuf
{
unsigned long long Size;
unsigned long long InP;
unsigned long long OutP;
- string OutQueue;
+ 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()
+ 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()
+ unsigned long long LeftWrite() const
{
unsigned long long Sz = InP - OutP;
if (InP > MaxGet)
return Sz;
}
void FillOut();
-
+
public:
-
Hashes *Hash;
-
+
// Read data in
bool Read(int Fd);
- bool Read(string Data);
-
+ bool Read(std::string Data);
+
// Write data out
bool Write(int Fd);
- bool WriteTillEl(string &Data,bool Single = false);
-
+ 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() {return MaxGet == OutP;};
- void Print() {cout << MaxGet << ',' << OutP << endl;};
+ 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() {return Size - (InP - OutP) > 0;};
- bool WriteSpace() {return InP - OutP > 0;};
+ 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() {delete [] Buf; delete Hash;};
+ ~CircleBuf();
};
-struct ServerState
+struct HttpServerState: public ServerState
{
- // This is the last parsed Header Line
- unsigned int Major;
- unsigned int Minor;
- unsigned int Result;
- char Code[MAXLEN];
-
- // These are some statistics from the last parsed header lines
- unsigned long long Size;
- signed long long StartPos;
- time_t Date;
- bool HaveContent;
- enum {Chunked,Stream,Closes} Encoding;
- enum {Header, Data} State;
- bool Persistent;
- string Location;
-
- // This is a Persistent attribute of the server itself.
- bool Pipeline;
-
- HttpMethod *Owner;
-
// This is the connection itself. Output is data FROM the server
CircleBuf In;
CircleBuf Out;
int ServerFd;
- URI ServerName;
-
- bool HeaderLine(string Line);
- bool Comp(URI Other) {return Other.Host == ServerName.Host && Other.Port == ServerName.Port;};
- void Reset() {Major = 0; Minor = 0; Result = 0; Size = 0; StartPos = 0;
- Encoding = Closes; time(&Date); ServerFd = -1;
- Pipeline = true;};
-
- /** \brief Result of the header acquire */
- enum RunHeadersResult {
- /** \brief Header ok */
- RUN_HEADERS_OK,
- /** \brief IO error while retrieving */
- RUN_HEADERS_IO_ERROR,
- /** \brief Parse error after retrieving */
- RUN_HEADERS_PARSE_ERROR,
- };
- /** \brief Get the headers before the data */
- RunHeadersResult RunHeaders();
- /** \brief Transfer the data from the socket */
- bool RunData();
-
- bool Open();
- bool Close();
-
- ServerState(URI Srv,HttpMethod *Owner);
- ~ServerState() {Close();};
+
+ 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 pkgAcqMethod
+class HttpMethod : public ServerMethod
{
- void SendReq(FetchItem *Itm,CircleBuf &Out);
- bool Go(bool ToFile,ServerState *Srv);
- bool Flush(ServerState *Srv);
- bool ServerDie(ServerState *Srv);
-
- /** \brief Result of the header parsing */
- enum DealWithHeadersResult {
- /** \brief The file is open and ready */
- FILE_IS_OPEN,
- /** \brief We got a IMS hit, the file has not changed */
- IMS_HIT,
- /** \brief The server reported a unrecoverable error */
- ERROR_UNRECOVERABLE,
- /** \brief The server reported a error with a error content page */
- ERROR_WITH_CONTENT_PAGE,
- /** \brief A error on the client side */
- ERROR_NOT_FROM_SERVER,
- /** \brief A redirect or retry request */
- TRY_AGAIN_OR_REDIRECT
- };
- /** \brief Handle the retrieved header data */
- DealWithHeadersResult DealWithHeaders(FetchResult &Res,ServerState *Srv);
+ public:
+ virtual void SendReq(FetchItem *Itm);
- /** \brief Try to AutoDetect the proxy */
- bool AutoDetectProxy();
+ virtual bool Configuration(std::string Message);
- virtual bool Configuration(string Message);
-
- // In the event of a fatal signal this file will be closed and timestamped.
- static string FailFile;
- static int FailFd;
- static time_t FailTime;
- static void SigTerm(int);
+ virtual ServerState * CreateServerState(URI uri);
+ virtual void RotateDNS();
protected:
- virtual bool Fetch(FetchItem *);
-
- string NextURI;
- string AutoDetectProxyCmd;
+ std::string AutoDetectProxyCmd;
public:
- friend struct ServerState;
-
- FileFd *File;
- ServerState *Server;
-
- int Loop();
-
- HttpMethod() : pkgAcqMethod("1.2",Pipeline | SendConfig)
+ friend struct HttpServerState;
+
+ HttpMethod() : ServerMethod("1.2",Pipeline | SendConfig)
{
File = 0;
Server = 0;
projects / apt.git / blobdiff