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
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
|
/**
* @file
* @author 2012-2014 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* 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.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#include "uscxml/debug/DebuggerServlet.h"
#include "uscxml/debug/DebugSession.h"
#include "uscxml/util/UUID.h"
#include <boost/algorithm/string.hpp>
namespace uscxml {
void DebuggerServlet::pushData(std::shared_ptr<DebugSession> session, Data pushData) {
std::cout << "trying to push " << pushData.at("replyType").atom << std::endl;
if (!session) {
if (_sendQueues.size() > 0) // logging is not aware of its interpreter
_sendQueues.begin()->second.push(pushData);
} else {
_sendQueues[session].push(pushData);
}
serverPushData(session);
}
void DebuggerServlet::serverPushData(std::shared_ptr<DebugSession> session) {
if (_sendQueues[session].isEmpty())
return;
if (!_clientConns[session])
return;
Data reply = _sendQueues[session].pop();
std::cout << "pushing " << reply.at("replyType").atom << std::endl;
returnData(_clientConns[session], reply);
_clientConns[session] = HTTPServer::Request();
}
void DebuggerServlet::returnData(const HTTPServer::Request& request, Data replyData) {
HTTPServer::Reply reply(request);
if (!replyData.hasKey("status")) {
replyData.compound["status"] = Data("success", Data::VERBATIM);
}
std::cout << "<- " << replyData << std::endl;
reply.content = Data::toJSON(replyData);
reply.headers["Access-Control-Allow-Origin"] = "*";
reply.headers["Content-Type"] = "application/json";
HTTPServer::reply(reply);
}
bool DebuggerServlet::isCORS(const HTTPServer::Request& request) {
return (request.data.at("type").atom == "options" &&
request.data.at("header").hasKey("Origin") &&
request.data.at("header").hasKey("Access-Control-Request-Method"));
}
void DebuggerServlet::handleCORS(const HTTPServer::Request& request) {
HTTPServer::Reply corsReply(request);
if (request.data.at("header").hasKey("Origin")) {
corsReply.headers["Access-Control-Allow-Origin"] = request.data.at("header").at("Origin").atom;
} else {
corsReply.headers["Access-Control-Allow-Origin"] = "*";
}
if (request.data.at("header").hasKey("Access-Control-Request-Method"))
corsReply.headers["Access-Control-Allow-Methods"] = request.data.at("header").at("Access-Control-Request-Method").atom;
if (request.data.at("header").hasKey("Access-Control-Request-Headers"))
corsReply.headers["Access-Control-Allow-Headers"] = request.data.at("header").at("Access-Control-Request-Headers").atom;
// std::cout << "CORS!" << std::endl << request << std::endl;
HTTPServer::reply(corsReply);
}
bool DebuggerServlet::requestFromHTTP(const HTTPServer::Request& request) {
if (!request.data.hasKey("path"))
return false; // returnError(request);
if (isCORS(request)) {
handleCORS(request);
return true;
}
std::cout << request.data["path"] << ": " << request.data["content"] << std::endl;
Data replyData;
// process request that don't need a session
if (false) {
} else if (boost::istarts_with(request.data.at("path").atom, "/debug/connect")) {
processConnect(request);
return true;
} else if (boost::starts_with(request.data.at("path").atom, "/debug/sessions")) {
processListSessions(request);
return true;
}
// get session or return error
if (false) {
} else if (!request.data.at("content").hasKey("session")) {
replyData.compound["status"] = Data("failure", Data::VERBATIM);
replyData.compound["reason"] = Data("No session given", Data::VERBATIM);
} else if (_sessionForId.find(request.data.at("content").at("session").atom) == _sessionForId.end()) {
replyData.compound["status"] = Data("failure", Data::VERBATIM);
replyData.compound["reason"] = Data("No such session", Data::VERBATIM);
}
if (!replyData.empty()) {
returnData(request, replyData);
return true;
}
std::shared_ptr<DebugSession> session = _sessionForId[request.data.at("content").at("session").atom];
if (false) {
} else if (boost::starts_with(request.data.at("path").atom, "/debug/poll")) {
// save long-standing client poll
_clientConns[session] = request;
serverPushData(session);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/disconnect")) {
processDisconnect(request);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/breakpoint/enable/all")) {
replyData = session->enableAllBreakPoints();
} else if (boost::starts_with(request.data.at("path").atom, "/debug/breakpoint/disable/all")) {
replyData = session->disableAllBreakPoints();
} else if (boost::starts_with(request.data.at("path").atom, "/debug/breakpoint/skipto")) {
replyData = session->skipToBreakPoint(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/breakpoint/add")) {
replyData = session->addBreakPoint(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/breakpoint/remove")) {
replyData = session->removeBreakPoint(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/breakpoint/enable")) {
replyData = session->enableBreakPoint(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/breakpoint/disable")) {
replyData = session->disableBreakPoint(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/stop")) {
replyData = session->debugStop(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/prepare")) {
replyData = session->debugPrepare(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/attach")) {
replyData = session->debugAttach(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/start")) {
replyData = session->debugStart(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/step")) {
replyData = session->debugStep(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/pause")) {
replyData = session->debugPause(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/resume")) {
replyData = session->debugResume(request.data["content"]);
} else if (boost::starts_with(request.data.at("path").atom, "/debug/eval")) {
replyData = session->debugEval(request.data["content"]);
}
if (!replyData.empty()) {
returnData(request, replyData);
return true;
}
return true;
}
// someone connected, create a new session
void DebuggerServlet::processConnect(const HTTPServer::Request& request) {
std::lock_guard<std::recursive_mutex> lock(_mutex);
std::string sessionId = UUID::getUUID();
_sessionForId[sessionId] = std::shared_ptr<DebugSession>(new DebugSession());
_sessionForId[sessionId]->setDebugger(this);
Data replyData;
replyData.compound["session"] = Data(sessionId, Data::VERBATIM);
replyData.compound["status"] = Data("success", Data::VERBATIM);
returnData(request, replyData);
}
void DebuggerServlet::processDisconnect(const HTTPServer::Request& request) {
std::lock_guard<std::recursive_mutex> lock(_mutex);
Data replyData;
if (!request.data.at("content").hasKey("session")) {
replyData.compound["status"] = Data("failure", Data::VERBATIM);
replyData.compound["reason"] = Data("No session given", Data::VERBATIM);
returnData(request, replyData);
}
std::string sessionId = request.data.at("content").at("session").atom;
if (_sessionForId.find(sessionId) == _sessionForId.end()) {
replyData.compound["status"] = Data("failure", Data::VERBATIM);
replyData.compound["reason"] = Data("No such session", Data::VERBATIM);
} else {
replyData.compound["status"] = Data("success", Data::VERBATIM);
detachSession(_sessionForId[sessionId]->getInterpreter().getImpl().get());
_sessionForId[sessionId]->debugStop(request.data["content"]);
_clientConns.erase(_sessionForId[sessionId]);
_sendQueues.erase(_sessionForId[sessionId]);
_sessionForId.erase(sessionId);
}
returnData(request, replyData);
}
void DebuggerServlet::processListSessions(const HTTPServer::Request& request) {
Data replyData;
std::map<std::string, std::weak_ptr<InterpreterImpl> > instances = InterpreterImpl::getInstances();
for (auto weakInstance : instances) {
std::shared_ptr<InterpreterImpl> instance = weakInstance.second.lock();
if (instance) {
Data sessionData;
sessionData.compound["name"] = Data(instance->getName(), Data::VERBATIM);
sessionData.compound["id"] = Data(instance->getSessionId(), Data::VERBATIM);
sessionData.compound["source"] = Data(instance->getBaseURL(), Data::VERBATIM);
sessionData.compound["xml"].node = instance->getDocument();
replyData.compound["sessions"].array.push_back(sessionData);
}
}
replyData.compound["status"] = Data("success", Data::VERBATIM);
returnData(request, replyData);
}
void DebuggerServlet::handle(const el::LogDispatchData* data) {
}
/*
void DebuggerServlet::send(google::LogSeverity severity, const char* full_filename,
const char* base_filename, int line,
const struct ::tm* tm_time,
const char* message, size_t message_len) {
// _sendQueue is thread-safe, not sure about ToString though
LogMessage msg(severity,
full_filename,
base_filename,
line,
tm_time,
std::string(message, message_len),
ToString(severity, base_filename, line, tm_time, message, message_len));
msg.compound["replyType"] = Data("log", Data::VERBATIM);
pushData(std::shared_ptr<DebugSession>(), msg);
}
*/
}
|
