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
|
#include <iostream>
#include <string>
#include <boost/asio.hpp>
#include <boost/signal.hpp>
#include <boost/bind.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include <boost/thread.hpp>
#include "Swiften/Elements/IQ.h"
#include "Swiften/Elements/RosterPayload.h"
#include "Swiften/Elements/VCard.h"
#include "Swiften/Server/SimpleUserRegistry.h"
#include "Swiften/Base/ByteArray.h"
#include "Swiften/Base/IDGenerator.h"
#include "Swiften/EventLoop/MainEventLoop.h"
#include "Swiften/EventLoop/SimpleEventLoop.h"
#include "Swiften/Elements/Stanza.h"
#include "Swiften/Network/ConnectionServer.h"
#include "Swiften/Network/BoostIOServiceThread.h"
#include "Swiften/Server/ServerFromClientSession.h"
#include "Swiften/Parser/PayloadParsers/FullPayloadParserFactoryCollection.h"
#include "Swiften/Serializer/PayloadSerializers/FullPayloadSerializerCollection.h"
using namespace Swift;
static const size_t BUFFER_SIZE = 4096;
// A reference-counted non-modifiable buffer class.
class SharedBuffer {
public:
SharedBuffer(const ByteArray& data) :
data_(new std::vector<char>(data.begin(), data.end())),
buffer_(boost::asio::buffer(*data_)) {
}
// ConstBufferSequence requirements.
typedef boost::asio::const_buffer value_type;
typedef const boost::asio::const_buffer* const_iterator;
const boost::asio::const_buffer* begin() const { return &buffer_; }
const boost::asio::const_buffer* end() const { return &buffer_ + 1; }
private:
boost::shared_ptr< std::vector<char> > data_;
boost::asio::const_buffer buffer_;
};
class IncomingBoostConnection : public IncomingConnection, public boost::enable_shared_from_this<IncomingBoostConnection> {
public:
typedef boost::shared_ptr<IncomingBoostConnection> pointer;
static pointer create(boost::asio::io_service& ioService) {
return pointer(new IncomingBoostConnection(ioService));
}
boost::asio::ip::tcp::socket& getSocket() {
return socket_;
}
void write(const ByteArray& data) {
boost::asio::async_write(socket_, SharedBuffer(data),
boost::bind(
&IncomingBoostConnection::handleDataWritten,
shared_from_this(),
boost::asio::placeholders::error));
}
void start() {
read();
}
private:
IncomingBoostConnection(boost::asio::io_service& ioService) : socket_(ioService), readBuffer_(BUFFER_SIZE) {
}
void read() {
socket_.async_read_some(
boost::asio::buffer(readBuffer_),
boost::bind(&IncomingBoostConnection::handleDataRead, this, boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
}
void handleDataRead(const boost::system::error_code& error, size_t bytesTransferred) {
if (!error) {
MainEventLoop::postEvent(boost::bind(boost::ref(onDataRead), ByteArray(&readBuffer_[0], bytesTransferred)), this);
read();
}
else if (error != boost::asio::error::operation_aborted) {
//MainEventLoop::postEvent(boost::bind(boost::ref(onError), ReadError), this);
}
}
void handleDataWritten(const boost::system::error_code& error) {
if (error && error != boost::asio::error::operation_aborted) {
//std::cerr << "ERROR: Unable to write data to socket" << std::endl;
//MainEventLoop::postEvent(boost::bind(boost::ref(onError), ReadError), this);
}
}
boost::asio::ip::tcp::socket socket_;
std::vector<char> readBuffer_;
};
class BoostConnectionServer : public ConnectionServer {
public:
BoostConnectionServer(int port, boost::asio::io_service& ioService) : acceptor_(ioService, boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port)) {
acceptNextConnection();
}
private:
void acceptNextConnection() {
IncomingBoostConnection::pointer newConnection = IncomingBoostConnection::create(acceptor_.io_service());
acceptor_.async_accept(newConnection->getSocket(),
boost::bind(&BoostConnectionServer::handleAccept, this, newConnection, boost::asio::placeholders::error));
}
void handleAccept(IncomingBoostConnection::pointer newConnection, const boost::system::error_code& error) {
if (!error) {
MainEventLoop::postEvent(boost::bind(boost::ref(onNewConnection), newConnection), this);
newConnection->start();
acceptNextConnection();
}
}
boost::asio::ip::tcp::acceptor acceptor_;
};
class Server {
public:
Server(UserRegistry* userRegistry) : userRegistry_(userRegistry) {
serverFromClientConnectionServer_ = new BoostConnectionServer(5222, boostIOServiceThread_.getIOService());
serverFromClientConnectionServer_->onNewConnection.connect(boost::bind(&Server::handleNewConnection, this, _1));
}
~Server() {
delete serverFromClientConnectionServer_;
}
private:
void handleNewConnection(boost::shared_ptr<IncomingConnection> c) {
ServerFromClientSession* session = new ServerFromClientSession(idGenerator_.generateID(), c, &payloadParserFactories_, &payloadSerializers_, userRegistry_);
serverFromClientSessions_.push_back(session);
session->onStanzaReceived.connect(boost::bind(&Server::handleStanzaReceived, this, _1, session));
session->onSessionFinished.connect(boost::bind(&Server::handleSessionFinished, this, session));
}
void handleSessionFinished(ServerFromClientSession* session) {
serverFromClientSessions_.erase(std::remove(serverFromClientSessions_.begin(), serverFromClientSessions_.end(), session), serverFromClientSessions_.end());
delete session;
}
void handleStanzaReceived(boost::shared_ptr<Stanza> stanza, ServerFromClientSession* session) {
stanza->setFrom(session->getJID());
if (!stanza->getTo().isValid()) {
stanza->setTo(JID(session->getDomain()));
}
if (!stanza->getTo().isValid() || stanza->getTo() == session->getDomain() || stanza->getTo() == session->getJID().toBare()) {
if (boost::shared_ptr<IQ> iq = boost::dynamic_pointer_cast<IQ>(stanza)) {
if (iq->getPayload<RosterPayload>()) {
session->sendStanza(IQ::createResult(iq->getFrom(), iq->getID(), boost::shared_ptr<RosterPayload>(new RosterPayload())));
}
if (iq->getPayload<VCard>()) {
if (iq->getType() == IQ::Get) {
boost::shared_ptr<VCard> vcard(new VCard());
vcard->setNickname(iq->getFrom().getNode());
session->sendStanza(IQ::createResult(iq->getFrom(), iq->getID(), vcard));
}
else {
session->sendStanza(IQ::createError(iq->getFrom(), iq->getID(), Error::Forbidden, Error::Cancel));
}
}
else {
session->sendStanza(IQ::createError(iq->getFrom(), iq->getID(), Error::FeatureNotImplemented, Error::Cancel));
}
}
}
}
private:
IDGenerator idGenerator_;
UserRegistry* userRegistry_;
BoostIOServiceThread boostIOServiceThread_;
BoostConnectionServer* serverFromClientConnectionServer_;
std::vector<ServerFromClientSession*> serverFromClientSessions_;
FullPayloadParserFactoryCollection payloadParserFactories_;
FullPayloadSerializerCollection payloadSerializers_;
};
int main() {
SimpleEventLoop eventLoop;
SimpleUserRegistry userRegistry;
userRegistry.addUser(JID("remko@limber"), "pass");
Server server(&userRegistry);
eventLoop.run();
return 0;
}
|
Swift