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
|
// Copyright (c) 2016, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "zmq_server.h"
#include <boost/chrono/chrono.hpp>
namespace cryptonote
{
namespace rpc
{
ZmqServer::ZmqServer(RpcHandler& h) :
handler(h),
stop_signal(false),
running(false),
context(DEFAULT_NUM_ZMQ_THREADS) // TODO: make this configurable
{
}
ZmqServer::~ZmqServer()
{
}
void ZmqServer::serve()
{
while (1)
{
try
{
zmq::message_t message;
if (!rep_socket)
{
throw std::runtime_error("ZMQ RPC server reply socket is null");
}
while (rep_socket->recv(&message))
{
std::string message_string(reinterpret_cast<const char *>(message.data()), message.size());
MDEBUG(std::string("Received RPC request: \"") + message_string + "\"");
std::string response = handler.handle(message_string);
zmq::message_t reply(response.size());
memcpy((void *) reply.data(), response.c_str(), response.size());
rep_socket->send(reply);
MDEBUG(std::string("Sent RPC reply: \"") + response + "\"");
}
}
catch (const boost::thread_interrupted& e)
{
MDEBUG("ZMQ Server thread interrupted.");
}
catch (const zmq::error_t& e)
{
MERROR(std::string("ZMQ error: ") + e.what());
}
boost::this_thread::interruption_point();
}
}
bool ZmqServer::addIPCSocket(std::string address, std::string port)
{
MERROR("ZmqServer::addIPCSocket not yet implemented!");
return false;
}
bool ZmqServer::addTCPSocket(std::string address, std::string port)
{
try
{
std::string addr_prefix("tcp://");
rep_socket.reset(new zmq::socket_t(context, ZMQ_REP));
rep_socket->setsockopt(ZMQ_RCVTIMEO, &DEFAULT_RPC_RECV_TIMEOUT_MS, sizeof(DEFAULT_RPC_RECV_TIMEOUT_MS));
std::string bind_address = addr_prefix + address + std::string(":") + port;
rep_socket->bind(bind_address.c_str());
}
catch (const std::exception& e)
{
MERROR(std::string("Error creating ZMQ Socket: ") + e.what());
return false;
}
return true;
}
void ZmqServer::run()
{
running = true;
run_thread = boost::thread(boost::bind(&ZmqServer::serve, this));
}
void ZmqServer::stop()
{
if (!running) return;
stop_signal = true;
run_thread.interrupt();
run_thread.join();
running = false;
return;
}
} // namespace cryptonote
} // namespace rpc
|
