Skip to content
Navigation Menu
{{ message }}
forked from DFHack/dfhack
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathRemoteClient.cpp
More file actions
443 lines (355 loc) · 11.9 KB
/
Copy pathRemoteClient.cpp
File metadata and controls
443 lines (355 loc) · 11.9 KB
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
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
/*
https://github.com/peterix/dfhack
Copyright (c) 2011 Petr Mrázek <peterix@gmail.com>
A thread-safe logging console with a line editor for windows.
Based on linenoise win32 port,
copyright 2010, Jon Griffiths <jon_p_griffiths at yahoo dot com>.
All rights reserved.
Based on linenoise, copyright 2010, Salvatore Sanfilippo <antirez at gmail dot com>.
The original linenoise can be found at: http://github.com/antirez/linenoise
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* 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.
* Neither the name of Redis 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 OWNER 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 <stdarg.h>
#include <errno.h>
#include <stdio.h>
#include <iostream>
#include <fstream>
#include <istream>
#include <string>
#include <stdint.h>
#include "RemoteClient.h"
#include <ActiveSocket.h>
#include "MiscUtils.h"
#include <cstdio>
#include <cstdlib>
#include <sstream>
#include <memory>
using namespace DFHack;
#include "tinythread.h"
using namespace tthread;
using dfproto::CoreTextNotification;
using google::protobuf::MessageLite;
const char RPCHandshakeHeader::REQUEST_MAGIC[9] = "DFHack?\n";
const char RPCHandshakeHeader::RESPONSE_MAGIC[9] = "DFHack!\n";
void color_ostream_proxy::decode(CoreTextNotification *data)
{
flush_proxy();
int cnt = data->fragments_size();
if (cnt > 0) {
target->begin_batch();
for (int i = 0; i < cnt; i++)
{
auto &frag = data->fragments(i);
color_value color = frag.has_color() ? color_value(frag.color()) : COLOR_RESET;
target->add_text(color, frag.text());
}
target->end_batch();
}
}
RemoteClient::RemoteClient(color_ostream *default_output)
: p_default_output(default_output)
{
active = false;
socket = new CActiveSocket();
suspend_ready = false;
if (!p_default_output)
{
delete_output = true;
p_default_output = new color_ostream_wrapper(std::cout);
}
else
delete_output = false;
}
RemoteClient::~RemoteClient()
{
disconnect();
delete socket;
if (delete_output)
delete p_default_output;
}
bool readFullBuffer(CSimpleSocket *socket, void *buf, int size)
{
if (!socket->IsSocketValid())
return false;
char *ptr = (char*)buf;
while (size > 0) {
int cnt = socket->Receive(size);
if (cnt <= 0)
return false;
memcpy(ptr, socket->GetData(), cnt);
ptr += cnt;
size -= cnt;
}
return true;
}
int RemoteClient::GetDefaultPort()
{
const char *port = getenv("DFHACK_PORT");
if (!port) port = "0";
int portval = atoi(port);
if (portval <= 0)
return 5000;
else
return portval;
}
bool RemoteClient::connect(int port)
{
assert(!active);
if (port <= 0)
port = GetDefaultPort();
if (!socket->Initialize())
{
default_output().printerr("Socket init failed.\n");
return false;
}
if (!socket->Open((const uint8 *)"localhost", port))
{
default_output().printerr("Could not connect to localhost: %d\n", port);
return false;
}
active = true;
RPCHandshakeHeader header;
memcpy(header.magic, RPCHandshakeHeader::REQUEST_MAGIC, sizeof(header.magic));
header.version = 1;
if (socket->Send((uint8*)&header, sizeof(header)) != sizeof(header))
{
default_output().printerr("Could not send handshake header.\n");
socket->Close();
return active = false;
}
if (!readFullBuffer(socket, &header, sizeof(header)))
{
default_output().printerr("Could not read handshake header.\n");
socket->Close();
return active = false;
}
if (memcmp(header.magic, RPCHandshakeHeader::RESPONSE_MAGIC, sizeof(header.magic)) ||
header.version != 1)
{
default_output().printerr("Invalid handshake response.\n");
socket->Close();
return active = false;
}
bind_call.name = "BindMethod";
bind_call.p_client = this;
bind_call.id = 0;
runcmd_call.name = "RunCommand";
runcmd_call.p_client = this;
runcmd_call.id = 1;
return true;
}
void RemoteClient::disconnect()
{
if (active && socket->IsSocketValid())
{
RPCMessageHeader header;
header.id = RPC_REQUEST_QUIT;
header.size = 0;
if (socket->Send((uint8_t*)&header, sizeof(header)) != sizeof(header))
default_output().printerr("Could not send the disconnect message.\n");
}
socket->Close();
}
bool RemoteClient::bind(color_ostream &out, RemoteFunctionBase *function,
const std::string &name, const std::string &proto)
{
if (!active || !socket->IsSocketValid())
return false;
bind_call.reset();
{
auto in = bind_call.in();
in->set_method(name);
if (!proto.empty())
in->set_plugin(proto);
in->set_input_msg(function->p_in_template->GetTypeName());
in->set_output_msg(function->p_out_template->GetTypeName());
}
if (bind_call(out) != CR_OK)
return false;
function->id = bind_call.out()->assigned_id();
return true;
}
command_result RemoteClient::run_command(color_ostream &out, const std::string &cmd,
const std::vector<std::string> &args)
{
if (!active || !socket->IsSocketValid())
{
out.printerr("In RunCommand: client connection not valid.\n");
return CR_FAILURE;
}
runcmd_call.reset();
runcmd_call.in()->set_command(cmd);
for (size_t i = 0; i < args.size(); i++)
runcmd_call.in()->add_arguments(args[i]);
return runcmd_call(out);
}
int RemoteClient::suspend_game()
{
if (!active)
return -1;
if (!suspend_ready) {
suspend_ready = true;
suspend_call.bind(this, "CoreSuspend");
resume_call.bind(this, "CoreResume");
}
if (suspend_call(default_output()) == CR_OK)
return suspend_call.out()->value();
else
return -1;
}
int RemoteClient::resume_game()
{
if (!suspend_ready)
return -1;
if (resume_call(default_output()) == CR_OK)
return resume_call.out()->value();
else
return -1;
}
void RPCFunctionBase::reset(bool free)
{
if (free)
{
delete p_in;
delete p_out;
p_in = p_out = NULL;
}
else
{
if (p_in)
p_in->Clear();
if (p_out)
p_out->Clear();
}
}
bool RemoteFunctionBase::bind(color_ostream &out, RemoteClient *client,
const std::string &name, const std::string &proto)
{
if (isValid())
{
if (p_client == client && this->name == name && this->proto == proto)
return true;
out.printerr("Function already bound to %s::%s\n",
this->proto.c_str(), this->name.c_str());
return false;
}
this->name = name;
this->proto = proto;
this->p_client = client;
return client->bind(out, this, name, proto);
}
bool sendRemoteMessage(CSimpleSocket *socket, int16_t id, const MessageLite *msg, bool size_ready)
{
int size = size_ready ? msg->GetCachedSize() : msg->ByteSize();
int fullsz = size + sizeof(RPCMessageHeader);
uint8_t *data = new uint8_t[fullsz];
RPCMessageHeader *hdr = (RPCMessageHeader*)data;
hdr->id = id;
hdr->size = size;
uint8_t *pstart = data + sizeof(RPCMessageHeader);
uint8_t *pend = msg->SerializeWithCachedSizesToArray(pstart);
assert((pend - pstart) == size);
int got = socket->Send(data, fullsz);
delete[] data;
return (got == fullsz);
}
command_result RemoteFunctionBase::execute(color_ostream &out,
const message_type *input, message_type *output)
{
if (!isValid())
{
out.printerr("Calling an unbound RPC function %s::%s.\n",
this->proto.c_str(), this->name.c_str());
return CR_NOT_IMPLEMENTED;
}
if (!p_client->socket->IsSocketValid())
{
out.printerr("In call to %s::%s: invalid socket.\n",
this->proto.c_str(), this->name.c_str());
return CR_LINK_FAILURE;
}
int send_size = input->ByteSize();
if (send_size > RPCMessageHeader::MAX_MESSAGE_SIZE)
{
out.printerr("In call to %s::%s: message too large: %d.\n",
this->proto.c_str(), this->name.c_str(), send_size);
return CR_LINK_FAILURE;
}
if (!sendRemoteMessage(p_client->socket, id, input, true))
{
out.printerr("In call to %s::%s: I/O error in send.\n",
this->proto.c_str(), this->name.c_str());
return CR_LINK_FAILURE;
}
color_ostream_proxy text_decoder(out);
CoreTextNotification text_data;
output->Clear();
for (;;) {
RPCMessageHeader header;
if (!readFullBuffer(p_client->socket, &header, sizeof(header)))
{
out.printerr("In call to %s::%s: I/O error in receive header.\n",
this->proto.c_str(), this->name.c_str());
return CR_LINK_FAILURE;
}
//out.print("Received %d:%d\n", header.id, header.size);
if ((DFHack::DFHackReplyCode)header.id == RPC_REPLY_FAIL)
return header.size == CR_OK ? CR_FAILURE : command_result(header.size);
if (header.size < 0 || header.size > RPCMessageHeader::MAX_MESSAGE_SIZE)
{
out.printerr("In call to %s::%s: invalid received size %d.\n",
this->proto.c_str(), this->name.c_str(), header.size);
return CR_LINK_FAILURE;
}
uint8_t *buf = new uint8_t[header.size];
if (!readFullBuffer(p_client->socket, buf, header.size))
{
out.printerr("In call to %s::%s: I/O error in receive %d bytes of data.\n",
this->proto.c_str(), this->name.c_str(), header.size);
return CR_LINK_FAILURE;
}
switch (header.id) {
case RPC_REPLY_RESULT:
if (!output->ParseFromArray(buf, header.size))
{
out.printerr("In call to %s::%s: error parsing received result.\n",
this->proto.c_str(), this->name.c_str());
delete[] buf;
return CR_LINK_FAILURE;
}
delete[] buf;
return CR_OK;
case RPC_REPLY_TEXT:
text_data.Clear();
if (text_data.ParseFromArray(buf, header.size))
text_decoder.decode(&text_data);
else
out.printerr("In call to %s::%s: received invalid text data.\n",
this->proto.c_str(), this->name.c_str());
break;
default:
break;
}
delete[] buf;
}
}
You can’t perform that action at this time.