1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
// -*- 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 acquire method for APT.
##################################################################### */
/*}}}*/
#ifndef APT_HTTP_H
#define APT_HTTP_H
#include <apt-pkg/strutl.h>
#include <apt-pkg/acquire-method.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 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);
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
|
