| line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
|
1
|
|
|
|
|
|
|
#pragma once |
|
2
|
|
|
|
|
|
|
#include "inc.h" |
|
3
|
|
|
|
|
|
|
#include "utils.h" |
|
4
|
|
|
|
|
|
|
#include "Error.h" |
|
5
|
|
|
|
|
|
|
#include "FrameHeader.h" |
|
6
|
|
|
|
|
|
|
#include |
|
7
|
|
|
|
|
|
|
#include |
|
8
|
|
|
|
|
|
|
#include |
|
9
|
|
|
|
|
|
|
#include |
|
10
|
|
|
|
|
|
|
#include |
|
11
|
|
|
|
|
|
|
#include |
|
12
|
|
|
|
|
|
|
|
|
13
|
|
|
|
|
|
|
namespace panda { namespace protocol { namespace websocket { |
|
14
|
|
|
|
|
|
|
|
|
15
|
|
|
|
|
|
|
using panda::string; |
|
16
|
|
|
|
|
|
|
|
|
17
|
|
|
|
|
|
|
struct Frame : virtual panda::Refcnt, AllocatedObject { |
|
18
|
|
|
|
|
|
|
static constexpr int MAX_CONTROL_PAYLOAD = 125; |
|
19
|
|
|
|
|
|
|
static constexpr int MAX_CLOSE_PAYLOAD = MAX_CONTROL_PAYLOAD - 2; |
|
20
|
|
|
|
|
|
|
|
|
21
|
|
|
|
|
|
|
ErrorCode error; |
|
22
|
|
|
|
|
|
|
std::vector payload; |
|
23
|
|
|
|
|
|
|
|
|
24
|
|
|
|
|
|
|
Frame (bool mask_required, size_t max_size) : _mask_required(mask_required), _max_size(max_size), _state(State::HEADER) {} |
|
25
|
|
|
|
|
|
|
|
|
26
|
2434
|
|
|
|
|
|
bool is_control () const { return _header.is_control(); } |
|
27
|
4180
|
|
|
|
|
|
Opcode opcode () const { return _header.opcode; } |
|
28
|
0
|
|
|
|
|
|
bool final () const { return _header.fin; } |
|
29
|
|
|
|
|
|
|
bool rsv1 () const { return _header.rsv1; } |
|
30
|
|
|
|
|
|
|
bool rsv2 () const { return _header.rsv2; } |
|
31
|
|
|
|
|
|
|
bool rsv3 () const { return _header.rsv3; } |
|
32
|
|
|
|
|
|
|
size_t payload_length () const { return _header.length; } |
|
33
|
|
|
|
|
|
|
uint16_t close_code () const { return _close_code; } |
|
34
|
|
|
|
|
|
|
string close_message () const { return _close_message; } |
|
35
|
|
|
|
|
|
|
|
|
36
|
|
|
|
|
|
|
size_t max_size () const { return _max_size; } |
|
37
|
|
|
|
|
|
|
void max_size (size_t newsize) { _max_size = newsize; } |
|
38
|
|
|
|
|
|
|
|
|
39
|
|
|
|
|
|
|
bool parse (string& buf); |
|
40
|
|
|
|
|
|
|
|
|
41
|
|
|
|
|
|
|
void reset () { |
|
42
|
|
|
|
|
|
|
_state = State::HEADER; |
|
43
|
|
|
|
|
|
|
_header.reset(); |
|
44
|
|
|
|
|
|
|
error.clear(); |
|
45
|
|
|
|
|
|
|
payload.clear(); |
|
46
|
|
|
|
|
|
|
} |
|
47
|
|
|
|
|
|
|
|
|
48
|
|
|
|
|
|
|
static string compile (const FrameHeader& header) { |
|
49
|
|
|
|
|
|
|
return header.compile(0); |
|
50
|
|
|
|
|
|
|
} |
|
51
|
|
|
|
|
|
|
|
|
52
|
|
|
|
|
|
|
static string compile (const FrameHeader& header, string& payload) { |
|
53
|
|
|
|
|
|
|
size_t plen = payload.length(); |
|
54
|
|
|
|
|
|
|
if (header.has_mask && plen) crypt_mask(payload.buf(), plen, header.mask, 0); |
|
55
|
|
|
|
|
|
|
return header.compile(plen); |
|
56
|
|
|
|
|
|
|
} |
|
57
|
|
|
|
|
|
|
|
|
58
|
|
|
|
|
|
|
template |
|
59
|
|
|
|
|
|
|
static string compile (const FrameHeader& header, It payload_begin, It payload_end) { |
|
60
|
|
|
|
|
|
|
size_t plen = 0; |
|
61
|
|
|
|
|
|
|
auto payload = IteratorPair(payload_begin, payload_end); |
|
62
|
|
|
|
|
|
|
if (header.has_mask) for (string& str : payload) { |
|
63
|
|
|
|
|
|
|
auto slen = str.length(); |
|
64
|
|
|
|
|
|
|
crypt_mask(str.buf(), slen, header.mask, plen); |
|
65
|
|
|
|
|
|
|
plen += slen; |
|
66
|
|
|
|
|
|
|
} |
|
67
|
|
|
|
|
|
|
else for (string& str : payload) plen += str.length(); |
|
68
|
|
|
|
|
|
|
|
|
69
|
|
|
|
|
|
|
return header.compile(plen); |
|
70
|
|
|
|
|
|
|
} |
|
71
|
|
|
|
|
|
|
|
|
72
|
|
|
|
|
|
|
private: |
|
73
|
|
|
|
|
|
|
enum class State { HEADER, PAYLOAD, DONE }; |
|
74
|
|
|
|
|
|
|
bool _mask_required; |
|
75
|
|
|
|
|
|
|
size_t _max_size; |
|
76
|
|
|
|
|
|
|
State _state; |
|
77
|
|
|
|
|
|
|
FrameHeader _header; |
|
78
|
|
|
|
|
|
|
uint64_t _payload_bytes_left; |
|
79
|
|
|
|
|
|
|
uint16_t _close_code; |
|
80
|
|
|
|
|
|
|
string _close_message; |
|
81
|
|
|
|
|
|
|
|
|
82
|
|
|
|
|
|
|
}; |
|
83
|
|
|
|
|
|
|
|
|
84
|
|
|
|
|
|
|
using FrameSP = panda::iptr; |
|
85
|
|
|
|
|
|
|
|
|
86
|
|
|
|
|
|
|
}}} |