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
|
/*
* 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 "Request.h"
#include "RequestHandlers/DisconnectRequestHandler.h"
#include <Net/Packets/ErrorPacket.h>
#include <sigc++/bind.h>
#include <sigc++/retype_return.h>
#include <iostream>
namespace Mad {
namespace Common {
std::auto_ptr<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(Net::Connection *connection, const Net::Packet &packet) {
std::map<Net::Connection*,RequestMap*>::iterator it = requestMaps.find(connection);
if(it == requestMaps.end()) {
// TODO: Error
std::cerr << "Received a packet from an unregistered connection." << std::endl;
return;
}
RequestMap *requestMap = it->second;
RequestHandler *request = requestMap->findRequest(packet.getRequestId());
if(request) {
request->handlePacket(connection, packet);
return;
}
std::map<Net::Packet::Type,RequestHandlerFactory*>::iterator factoryIt = requestHandlerFactories.find(packet.getType());
if(factoryIt != requestHandlerFactories.end()) {
request = factoryIt->second->createRequestHandler();
requestMap->addRequest(packet.getRequestId(), request);
request->handlePacket(connection, packet);
return;
}
std::cerr << "Received an unexpected packet." << std::endl;
connection->send(Net::Packets::ErrorPacket(Net::Packet::ERROR, packet.getRequestId(), Exception(Exception::UNEXPECTED_PACKET)));
}
bool RequestManager::sendRequest(Net::Connection *connection, std::auto_ptr<RequestBase> request) {
std::map<Net::Connection*,RequestMap*>::iterator it = requestMaps.find(connection);
if(it == requestMaps.end())
return false;
RequestMap *requestMap = it->second;
uint16_t id;
do {
id = getRequestId();
} while(requestMap->findRequest(id));
request->sendRequest(connection, id);
requestMap->addRequest(id, request.release());
return true;
}
void RequestManager::registerConnection(Net::Connection *connection) {
requestMaps.insert(std::make_pair(connection, new RequestMap()));
connection->signalReceive().connect(sigc::mem_fun(this, &RequestManager::receiveHandler));
}
void RequestManager::unregisterConnection(Net::Connection *connection) {
std::map<Net::Connection*,RequestMap*>::iterator it = requestMaps.find(connection);
if(it == requestMaps.end())
return;
delete it->second;
requestMaps.erase(it);
}
void RequestManager::unregisterPacketType(Net::Packet::Type type) {
std::map<Net::Packet::Type,RequestHandlerFactory*>::iterator it = requestHandlerFactories.find(type);
if(it == requestHandlerFactories.end())
return;
delete it->second;
requestHandlerFactories.erase(it);
}
RequestManager::RequestManager(bool core) : requestId(core ? -2 : -1) {
registerPacketType<RequestHandlers::DisconnectRequestHandler>(Net::Packet::DISCONNECT);
}
RequestManager::~RequestManager() {
for(std::map<Net::Connection*,RequestMap*>::iterator it = requestMaps.begin(); it != requestMaps.end(); ++it)
delete it->second;
for(std::map<Net::Packet::Type,RequestHandlerFactory*>::iterator it = requestHandlerFactories.begin(); it != requestHandlerFactories.end(); ++it)
delete it->second;
}
}
}
|
