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
|
/**
* @file llsdrpcclient.cpp
* @author Phoenix
* @date 2005-11-05
* @brief Implementation of the llsd client classes.
*
* $LicenseInfo:firstyear=2005&license=viewergpl$
*
* Copyright (c) 2005-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llsdrpcclient.h"
#include "llbufferstream.h"
#include "llfiltersd2xmlrpc.h"
#include "llmemtype.h"
#include "llpumpio.h"
#include "llsd.h"
#include "llsdserialize.h"
#include "llurlrequest.h"
/**
* String constants
*/
static std::string LLSDRPC_RESPONSE_NAME("response");
static std::string LLSDRPC_FAULT_NAME("fault");
/**
* LLSDRPCResponse
*/
LLSDRPCResponse::LLSDRPCResponse() :
mIsError(false),
mIsFault(false)
{
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
}
// virtual
LLSDRPCResponse::~LLSDRPCResponse()
{
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
}
bool LLSDRPCResponse::extractResponse(const LLSD& sd)
{
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
bool rv = true;
if(sd.has(LLSDRPC_RESPONSE_NAME))
{
mReturnValue = sd[LLSDRPC_RESPONSE_NAME];
mIsFault = false;
}
else if(sd.has(LLSDRPC_FAULT_NAME))
{
mReturnValue = sd[LLSDRPC_FAULT_NAME];
mIsFault = true;
}
else
{
mReturnValue.clear();
mIsError = true;
rv = false;
}
return rv;
}
// virtual
LLIOPipe::EStatus LLSDRPCResponse::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
PUMP_DEBUG;
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
if(mIsError)
{
error(pump);
}
else if(mIsFault)
{
fault(pump);
}
else
{
response(pump);
}
PUMP_DEBUG;
return STATUS_DONE;
}
/**
* LLSDRPCClient
*/
LLSDRPCClient::LLSDRPCClient() :
mState(STATE_NONE),
mQueue(EPBQ_PROCESS)
{
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
}
// virtual
LLSDRPCClient::~LLSDRPCClient()
{
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
}
bool LLSDRPCClient::call(
const std::string& uri,
const std::string& method,
const LLSD& parameter,
LLSDRPCResponse* response,
EPassBackQueue queue)
{
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
//llinfos << "RPC: " << uri << "." << method << "(" << *parameter << ")"
// << llendl;
if(method.empty() || !response)
{
return false;
}
mState = STATE_READY;
mURI.assign(uri);
std::stringstream req;
req << LLSDRPC_REQUEST_HEADER_1 << method
<< LLSDRPC_REQUEST_HEADER_2;
LLSDSerialize::toNotation(parameter, req);
req << LLSDRPC_REQUEST_FOOTER;
mRequest = req.str();
mQueue = queue;
mResponse = response;
return true;
}
bool LLSDRPCClient::call(
const std::string& uri,
const std::string& method,
const std::string& parameter,
LLSDRPCResponse* response,
EPassBackQueue queue)
{
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
//llinfos << "RPC: " << uri << "." << method << "(" << parameter << ")"
// << llendl;
if(method.empty() || parameter.empty() || !response)
{
return false;
}
mState = STATE_READY;
mURI.assign(uri);
std::stringstream req;
req << LLSDRPC_REQUEST_HEADER_1 << method
<< LLSDRPC_REQUEST_HEADER_2 << parameter
<< LLSDRPC_REQUEST_FOOTER;
mRequest = req.str();
mQueue = queue;
mResponse = response;
return true;
}
// virtual
LLIOPipe::EStatus LLSDRPCClient::process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump)
{
PUMP_DEBUG;
LLMemType m1(LLMemType::MTYPE_IO_SD_CLIENT);
if((STATE_NONE == mState) || (!pump))
{
// You should have called the call() method already.
return STATUS_PRECONDITION_NOT_MET;
}
EStatus rv = STATUS_DONE;
switch(mState)
{
case STATE_READY:
{
PUMP_DEBUG;
// lldebugs << "LLSDRPCClient::process_impl STATE_READY" << llendl;
buffer->append(
channels.out(),
(U8*)mRequest.c_str(),
mRequest.length());
context[CONTEXT_DEST_URI_SD_LABEL] = mURI;
mState = STATE_WAITING_FOR_RESPONSE;
break;
}
case STATE_WAITING_FOR_RESPONSE:
{
PUMP_DEBUG;
// The input channel has the sd response in it.
//lldebugs << "LLSDRPCClient::process_impl STATE_WAITING_FOR_RESPONSE"
// << llendl;
LLBufferStream resp(channels, buffer.get());
LLSD sd;
LLSDSerialize::fromNotation(sd, resp, buffer->count(channels.in()));
LLSDRPCResponse* response = (LLSDRPCResponse*)mResponse.get();
if (!response)
{
mState = STATE_DONE;
break;
}
response->extractResponse(sd);
if(EPBQ_PROCESS == mQueue)
{
LLPumpIO::chain_t chain;
chain.push_back(mResponse);
pump->addChain(chain, DEFAULT_CHAIN_EXPIRY_SECS);
}
else
{
pump->respond(mResponse.get());
}
mState = STATE_DONE;
break;
}
case STATE_DONE:
default:
PUMP_DEBUG;
llinfos << "invalid state to process" << llendl;
rv = STATUS_ERROR;
break;
}
return rv;
}
|
