blob: ae6cedc13f58931eb8e3c7e14d93e525179475f9 (
plain)
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
|
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
/* ######################################################################
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 <iostream>
#include <memory>
#include <string>
#include <sys/time.h>
#include "basehttp.h"
#include "connect.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;
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;
// total amount of data that got written so far
unsigned long long TotalWriten;
// Read data in
bool Read(std::unique_ptr<MethodFd> const &Fd);
bool Read(std::string const &Data);
// Write data out
bool Write(std::unique_ptr<MethodFd> const &Fd);
bool Write(std::string &Data);
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;};
void Reset();
CircleBuf(HttpMethod const * const Owner, unsigned long long Size);
~CircleBuf();
};
struct HttpServerState: public ServerState
{
// This is the connection itself. Output is data FROM the server
CircleBuf In;
CircleBuf Out;
std::unique_ptr<MethodFd> ServerFd;
protected:
virtual bool ReadHeaderLines(std::string &Data) APT_OVERRIDE;
virtual ResultState LoadNextResponse(bool const ToFile, RequestState &Req) APT_OVERRIDE;
virtual bool WriteResponse(std::string const &Data) APT_OVERRIDE;
public:
virtual void Reset() APT_OVERRIDE;
virtual ResultState RunData(RequestState &Req) APT_OVERRIDE;
virtual ResultState RunDataToDevNull(RequestState &Req) APT_OVERRIDE;
virtual ResultState Open() APT_OVERRIDE;
virtual bool IsOpen() APT_OVERRIDE;
virtual bool Close() APT_OVERRIDE;
virtual bool InitHashes(HashStringList const &ExpectedHashes) APT_OVERRIDE;
virtual Hashes * GetHashes() APT_OVERRIDE;
virtual ResultState Die(RequestState &Req) APT_OVERRIDE;
virtual bool Flush(FileFd * const File) APT_OVERRIDE;
virtual ResultState Go(bool ToFile, RequestState &Req) APT_OVERRIDE;
HttpServerState(URI Srv, HttpMethod *Owner);
virtual ~HttpServerState() {Close();};
};
class HttpMethod : public BaseHttpMethod
{
public:
virtual void SendReq(FetchItem *Itm) APT_OVERRIDE;
virtual std::unique_ptr<ServerState> CreateServerState(URI const &uri) APT_OVERRIDE;
virtual void RotateDNS() APT_OVERRIDE;
virtual DealWithHeadersResult DealWithHeaders(FetchResult &Res, RequestState &Req) APT_OVERRIDE;
protected:
std::string AutoDetectProxyCmd;
public:
friend struct HttpServerState;
explicit HttpMethod(std::string &&pProg);
};
#endif
|
