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
|
/*
* RequestManager.cpp
*
* Copyright (C) 2008 Matthias Schiffer <matthias@gamezock.de>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "RequestManager.h"
#include "RequestHandlers/DisconnectRequestHandler.h"
#include "Logger.h"
#include <sigc++/bind.h>
#include <sigc++/retype_return.h>
namespace Mad {
namespace Common {
RequestManager RequestManager::requestManager;
RequestManager::RequestMap::~RequestMap() {
for(iterator it = begin(); it != end(); ++it)
delete it->second;
}
bool RequestManager::RequestMap::addRequest(uint16_t id, RequestHandler *info) {
if(!insert(std::make_pair(id, info)).second)
return false;
info->signalFinished().connect(sigc::hide_return(sigc::bind(sigc::mem_fun(this, &RequestManager::RequestMap::deleteRequest), id)));
return true;
}
RequestHandler* RequestManager::RequestMap::findRequest(uint16_t id) {
iterator it = find(id);
if(it == end())
return 0;
return it->second;
}
bool RequestManager::RequestMap::deleteRequest(uint16_t id) {
iterator it = find(id);
if(it == end())
return false;
delete it->second;
erase(it);
return true;
}
void RequestManager::receiveHandler(Connection *connection, const XmlPacket &packet, uint16_t requestId) {
std::map<Connection*,RequestMap*>::iterator it = requestMaps.find(connection);
if(it == requestMaps.end()) {
// TODO: Error
Logger::log(Logger::ERROR, "Received a packet from an unregistered connection.");
return;
}
RequestMap *requestMap = it->second;
RequestHandler *request = requestMap->findRequest(requestId);
if(request) {
request->handlePacket(packet);
return;
}
std::map<std::string,RequestHandlerFactory*>::iterator factoryIt = requestHandlerFactories.find(packet.getType());
if(factoryIt != requestHandlerFactories.end()) {
request = factoryIt->second->createRequestHandler(connection, requestId);
requestMap->addRequest(requestId, request);
request->handlePacket(packet);
return;
}
Logger::logf(Logger::ERROR, "Received an unexpected packet with type '%s'.", packet.getType().c_str());
XmlPacket ret;
ret.setType("Error");
ret.add("ErrorCode", Exception::UNEXPECTED_PACKET);
connection->sendPacket(ret, requestId);
}
RequestManager::RequestMap* RequestManager::getUnusedRequestId(Connection *connection, uint16_t *requestId) {
std::map<Connection*,RequestMap*>::iterator it = requestMaps.find(connection);
if(it == requestMaps.end()) {
Logger::log(Logger::CRITICAL, "Trying to send a request over an unregistered connecion.");
return 0;
}
RequestMap *requestMap = it->second;
do {
*requestId = getRequestId();
} while(requestMap->findRequest(*requestId));
return requestMap;
}
void RequestManager::registerConnection(Connection *connection) {
requestMaps.insert(std::make_pair(connection, new RequestMap()));
connection->signalReceive().connect(sigc::bind<0>(sigc::mem_fun(this, &RequestManager::receiveHandler), connection));
}
void RequestManager::unregisterConnection(Connection *connection) {
std::map<Connection*,RequestMap*>::iterator it = requestMaps.find(connection);
if(it != requestMaps.end()) {
delete it->second;
requestMaps.erase(it);
}
}
void RequestManager::unregisterPacketType(const std::string &type) {
std::map<std::string,RequestHandlerFactory*>::iterator it = requestHandlerFactories.find(type);
if(it == requestHandlerFactories.end())
return;
delete it->second;
requestHandlerFactories.erase(it);
}
RequestManager::RequestManager() : core(false), lastRequestId(-1) {
registerPacketType<RequestHandlers::DisconnectRequestHandler>("Disconnect");
}
RequestManager::~RequestManager() {
unregisterPacketType("Disconnect");
for(std::map<Connection*,RequestMap*>::iterator it = requestMaps.begin(); it != requestMaps.end(); ++it)
delete it->second;
for(std::map<std::string,RequestHandlerFactory*>::iterator it = requestHandlerFactories.begin(); it != requestHandlerFactories.end(); ++it)
delete it->second;
}
}
}
|
