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
|
/**
* @file lleventpoll.cpp
* @brief Implementation of the LLEventPoll class.
*
* $LicenseInfo:firstyear=2006&license=viewergpl$
*
* Copyright (c) 2006-2008, 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 "llviewerprecompiledheaders.h"
#include "llagent.h"
#include "lleventpoll.h"
#include "llhttpclient.h"
#include "llsdserialize.h"
#include "llviewerregion.h"
#include "message.h"
namespace
{
class LLEventPollResponder : public LLHTTPClient::Responder
{
public:
static LLHTTPClient::ResponderPtr start(const std::string& pollURL, const LLHost& sender);
void stop();
private:
LLEventPollResponder(const std::string& pollURL, const LLHost& sender);
~LLEventPollResponder();
void makeRequest();
void handleMessage(const LLSD& content);
virtual void error(U32 status, const std::string& reason);
virtual void result(const LLSD& content);
private:
bool mDone;
std::string mPollURL;
std::string mSender;
LLSD mAcknowledge;
// these are only here for debugging so we can see which poller is which
static int sCount;
int mCount;
};
//static
LLHTTPClient::ResponderPtr LLEventPollResponder::start(
const std::string& pollURL, const LLHost& sender)
{
LLHTTPClient::ResponderPtr result = new LLEventPollResponder(pollURL, sender);
llinfos << "LLEventPollResponder::start <" << sCount << "> "
<< pollURL << llendl;
return result;
}
void LLEventPollResponder::stop()
{
llinfos << "LLEventPollResponder::stop <" << mCount << "> "
<< mPollURL << llendl;
// there should be a way to stop a LLHTTPClient request in progress
mDone = true;
}
int LLEventPollResponder::sCount = 0;
LLEventPollResponder::LLEventPollResponder(const std::string& pollURL, const LLHost& sender)
: mDone(false),
mPollURL(pollURL),
mCount(++sCount)
{
//extract host and port of simulator to set as sender
LLViewerRegion *regionp = gAgent.getRegion();
if (!regionp)
{
llerrs << "LLEventPoll initialized before region is added." << llendl;
}
mSender = sender.getIPandPort();
llinfos << "LLEventPoll initialized with sender " << mSender << llendl;
makeRequest();
}
LLEventPollResponder::~LLEventPollResponder()
{
stop();
lldebugs << "LLEventPollResponder::~Impl <" << mCount << "> "
<< mPollURL << llendl;
}
void LLEventPollResponder::makeRequest()
{
LLSD request;
request["ack"] = mAcknowledge;
request["done"] = mDone;
lldebugs << "LLEventPollResponder::makeRequest <" << mCount << "> ack = "
<< LLSDXMLStreamer(mAcknowledge) << llendl;
LLHTTPClient::post(mPollURL, request, this);
}
void LLEventPollResponder::handleMessage(const LLSD& content)
{
std::string msg_name = content["message"];
LLSD message;
message["sender"] = mSender;
message["body"] = content["body"];
LLMessageSystem::dispatch(msg_name, message);
}
//virtual
void LLEventPollResponder::error(U32 status, const std::string& reason)
{
if (mDone) return;
if(status != 499)
{
llwarns << "LLEventPollResponder::error: <" << mCount << "> got "
<< status << ": " << reason
<< (mDone ? " -- done" : "") << llendl;
stop();
return;
}
makeRequest();
}
//virtual
void LLEventPollResponder::result(const LLSD& content)
{
lldebugs << "LLEventPollResponder::result <" << mCount << ">"
<< (mDone ? " -- done" : "") << llendl;
if (mDone) return;
if (!content.get("events") ||
!content.get("id"))
{
llwarns << "received event poll with no events or id key" << llendl;
return;
}
mAcknowledge = content["id"];
LLSD events = content["events"];
if(mAcknowledge.isUndefined())
{
llwarns << "LLEventPollResponder: id undefined" << llendl;
}
// was llinfos but now that CoarseRegionUpdate is TCP @ 1/second, it'd be too verbose for viewer logs. -MG
lldebugs << "LLEventPollResponder::completed <" << mCount << "> " << events.size() << "events (id "
<< LLSDXMLStreamer(mAcknowledge) << ")" << llendl;
LLSD::array_const_iterator i = events.beginArray();
LLSD::array_const_iterator end = events.endArray();
for (; i != end; ++i)
{
if (i->has("message"))
{
handleMessage(*i);
}
}
makeRequest();
}
}
LLEventPoll::LLEventPoll(const std::string& pollURL, const LLHost& sender)
: mImpl(LLEventPollResponder::start(pollURL, sender))
{ }
LLEventPoll::~LLEventPoll()
{
}
|
