blob: e2384e27042f474cacd9e4cb113c565ee8e9157c (
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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
#include "connectionbase.h"
#include <boost/serialization/vector.hpp>
#include <boost/serialization/string.hpp>
#include <boost/serialization/utility.hpp>
#include <boost/serialization/shared_ptr.hpp>
#include <boost/archive/binary_oarchive.hpp>
#include <boost/archive/binary_iarchive.hpp>
#include <cstring>
#include <sstream>
#include <exception>
#include <stdexcept>
#include <iostream>
void ConnectionBase::start_recv() {
request_data(4);
}
void ConnectionBase::got_data(uint8_t* data, std::size_t bytes) {
if(pending_size == 0) {
if(bytes != 4) {
error("Deserialization header error.");
}
uint16_t* header = (uint16_t*)data;
pending_type = (Message::Type)header[0];
pending_size = (std::size_t)header[1];
if(pending_size) {
request_data(pending_size);
return;
}
bytes = 0;
}
if(bytes != pending_size) {
std::cout << "Bytes: " << bytes << " Pending size: " << pending_size << std::endl;
error("Deserialization attempted with incomplete data.");
// TODO: Calling got_data() with incomplete data should be allowed.
}
pending_size = 0;
try {
// Create Boost.Serialization archive of data.
std::istringstream is(std::string((char*)data, bytes));
boost::archive::binary_iarchive ia(is);
switch(pending_type) {
case Message::Types::Hello: {
Message::Hello::p m = make_shared<Message::Hello>();
ia & m;
got_message(m);
} break;
case Message::Types::Login: {
Message::Login::p m = make_shared<Message::Login>();
ia & m;
got_message(m);
} break;
case Message::Types::LoginResponse: {
Message::LoginResponse::p m = make_shared<Message::LoginResponse>();
ia & m;
got_message(m);
} break;
case Message::Types::LobbyStatus: {
Message::LobbyStatus::p m = make_shared<Message::LobbyStatus>();
ia & m;
got_message(m);
} break;
case Message::Types::LobbyAction: {
Message::LobbyAction::p m = make_shared<Message::LobbyAction>();
ia & m;
got_message(m);
} break;
case Message::Types::GameStart: {
Message::GameStart::p m = make_shared<Message::GameStart>();
ia & m;
got_message(m);
} break;
case Message::Types::Ready: {
Message::Ready::p m = make_shared<Message::Ready>();
ia & m;
got_message(m);
} break;
case Message::Types::RoundStart: {
Message::RoundStart::p m = make_shared<Message::RoundStart>();
ia & m;
got_message(m);
} break;
case Message::Types::RoundState: {
Message::RoundState::p m = make_shared<Message::RoundState>();
ia & m;
got_message(m);
} break;
case Message::Types::RoundAction: {
Message::RoundAction::p m = make_shared<Message::RoundAction>();
ia & m;
got_message(m);
} break;
case Message::Types::RoundEnd: {
Message::RoundEnd::p m = make_shared<Message::RoundEnd>();
ia & m;
got_message(m);
} break;
case Message::Types::GameEnd: {
Message::GameEnd::p m = make_shared<Message::GameEnd>();
ia & m;
got_message(m);
} break;
default:
throw std::runtime_error("Deserialization attempted on unknown message type.");
}
} catch(std::exception& e) {
error(std::string("Deserialization failed: ") + e.what());
}
}
void ConnectionBase::send(const Message::p& msg) {
// Create Boost.Serialization archive.
std::ostringstream os;
boost::archive::binary_oarchive oa(os);
switch(msg->type) {
case Message::Types::Hello: {
Message::Hello::p m = dynamic_pointer_cast<Message::Hello>(msg);
oa & m;
} break;
case Message::Types::Login: {
Message::Login::p m = dynamic_pointer_cast<Message::Login>(msg);
oa & m;
} break;
case Message::Types::LoginResponse: {
Message::LoginResponse::p m = dynamic_pointer_cast<Message::LoginResponse>(msg);
oa & m;
} break;
case Message::Types::LobbyStatus: {
Message::LobbyStatus::p m = dynamic_pointer_cast<Message::LobbyStatus>(msg);
oa & m;
} break;
case Message::Types::LobbyAction: {
Message::LobbyAction::p m = dynamic_pointer_cast<Message::LobbyAction>(msg);
oa & m;
} break;
case Message::Types::GameStart: {
Message::GameStart::p m = dynamic_pointer_cast<Message::GameStart>(msg);
oa & m;
} break;
case Message::Types::Ready: {
Message::Ready::p m = dynamic_pointer_cast<Message::Ready>(msg);
oa & m;
} break;
case Message::Types::RoundStart: {
Message::RoundStart::p m = dynamic_pointer_cast<Message::RoundStart>(msg);
oa & m;
} break;
case Message::Types::RoundState: {
Message::RoundState::p m = dynamic_pointer_cast<Message::RoundState>(msg);
oa & m;
} break;
case Message::Types::RoundAction: {
Message::RoundAction::p m = dynamic_pointer_cast<Message::RoundAction>(msg);
oa & m;
} break;
case Message::Types::RoundEnd: {
Message::RoundEnd::p m = dynamic_pointer_cast<Message::RoundEnd>(msg);
oa & m;
} break;
default:
throw std::runtime_error("Serialization attempted on unknown message type.");
}
// Extract data.
std::string s = os.str();
// Allocate buffer.
uint8_t* buf = new uint8_t[4 + s.size()];
// Write header.
uint16_t* header = (uint16_t*)buf;
header[0] = uint16_t(msg->type);
header[1] = uint16_t(s.size());
// Copy data.
memcpy(buf + 4, s.c_str(), s.size());
// Send buffer.
write_data(buf, 4 + s.size());
}
ConnectionBase::ConnectionBase() {
pending_size = 0;
}
ConnectionBase::~ConnectionBase() {
std::cout << "Connection destroyed." << std::endl;
}
|
