forked from tiwilliam/istatd
-
Notifications
You must be signed in to change notification settings - Fork 0
/
switchboard.cpp
248 lines (208 loc) · 8.02 KB
/
switchboard.cpp
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
/*
* Copyright 2010 William Tisäter. 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. The name of the copyright holder may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``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 WILLIAM TISÄTER 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 <fstream>
#include <sstream>
#include <libxml/parser.h>
#include <libxml/xmlmemory.h>
#include "isr.h"
#include "conf.h"
#include "stats.h"
#include "socket.h"
#include "utility.h"
#include "argument.h"
#include "socketset.h"
#include "clientset.h"
#include "switchboard.h"
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
using namespace std;
void Switchboard::parse(SocketSet * _sockets, ClientSet * _clients, Config * _config, \
Socket * _active_socket, Stats * _stats, ArgumentSet * arguments, \
const string & _data)
{
stringstream temp;
char *name, *duuid;
xmlChar *element_content;
string content, element_name;
int rid, socket, element_code, element_content_int = 0;
vector<sys_info> data_history;
vector<net_info> data_net_history;
vector<disk_info> data_disk_history;
vector<sensor_info> data_sensor;
// Load properties from config file
string cf_server_code = _config->get("server_code", "00000");
string cf_server_reject_delay = _config->get("server_reject_delay", "3");
string cf_disk_mount_path_label = _config->get("disk_mount_path_label", "0");
string cf_disk_filesystem_label = _config->get("disk_filesystem_label", "1");
vector<string> cf_disk_rename_label = _config->get_array("disk_rename_label");
socket = _active_socket->get_id();
if (_data.substr(0, 1) != "<")
{
if (_data == cf_server_code)
{
_clients->authenticate(_active_socket->get_id());
_active_socket->send(isr_accept_code());
}
else
{
// TODO: Bruteforce protection, delay reject.
_active_socket->send(isr_reject_code());
}
}
else
{
xmlDocPtr doc;
xmlNodePtr cur;
xmlParserCtxtPtr ctxt = xmlNewParserCtxt();
doc = xmlCtxtReadMemory(ctxt, _data.c_str(), _data.length(), NULL, NULL, 0);
if ((cur = xmlDocGetRootElement(doc)) != NULL)
{
if (xmlStrEqual(cur->name, BAD_CAST "isr"))
{
if ((cur = cur->xmlChildrenNode) != NULL)
{
element_name = (const char *) cur->name;
// This is a connection test by the client
// Answer with an empty element as heartbeat
if (element_name == "conntest")
{
_active_socket->send(isr_conntest());
}
// First element contains the host, we have a client connecting
// Check if this user already is in the client list
if (element_name == "h")
{
name = (char *) xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
cur = cur->next;
duuid = (char *) xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
// Clean old sessions and update socket id for current duuid, create new if nothing found
_clients->init_session(duuid, socket, name);
// Check if this user is already authenticated
if (_clients->is_authenticated(duuid))
{
_active_socket->send(isr_accept_connection(0, 6, _stats->get_stats().upt + 1, _stats->get_stats().upt));
_clients->get_client(socket)->force_disk_refresh();
_clients->get_client(socket)->force_temp_refresh();
_clients->get_client(socket)->force_fans_refresh();
}
else
{
_active_socket->send(isr_accept_connection(1, 6, _stats->get_stats().upt + 1, _stats->get_stats().upt));
}
xmlFree(name);
xmlFree(duuid);
xmlFreeDoc(doc);
xmlFreeParserCtxt(ctxt);
return;
}
// Everything below requires a authenticated user
// Check if we have any - if so - get the client data
if (_clients->length() < 1) {
xmlFreeDoc(doc);
xmlFreeParserCtxt(ctxt);
return;
}
// Some connection is requesting data.
// Check if the user is authenticated and then respond to the question.
if (element_name == "rid")
{
if (_clients->is_authenticated(_clients->get_client(_active_socket->get_id())->duuid))
{
char *child_node = (char *) xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
rid = to_int(child_node);
free(child_node);
temp << isr_create_header();
temp << isr_create_session(rid, _clients->get_client(socket)->sid_disk, _clients->get_client(socket)->sid_temp, _clients->get_client(socket)->sid_fans);
if ((cur = cur->next) == NULL)
{
xmlFreeDoc(doc);
xmlFreeParserCtxt(ctxt);
return;
}
while (cur)
{
element_name = (const char *) cur->name;
element_code = to_int(to_ascii(element_name));
element_content = xmlNodeListGetString(doc->doc, cur->xmlChildrenNode, 1);
if (element_content) element_content_int = to_int(string((const char *) element_content));
xmlFree(element_content);
switch (element_code)
{
case CPU:
data_history = _stats->get_history(element_content_int);
temp << isr_cpu_data(&data_history, element_content_int);
break;
case NETWORK:
data_net_history = _stats->get_net_history(element_content_int);
temp << isr_network_data(&data_net_history, element_content_int);
break;
case MEMORY:
data_history = _stats->get_history(element_content_int);
temp << isr_memory_data(&data_history);
break;
case LOAD:
data_history = _stats->get_history(element_content_int);
temp << isr_loadavg_data(&data_history);
break;
case TEMP:
#if defined(HAVE_LIBSENSORS) || defined(HAVE_QNAPTEMP)
data_sensor = _stats->get_temp_sensors();
temp << isr_temp_data(&data_sensor, element_content_int);
#endif
break;
case FAN:
#ifdef HAVE_LIBSENSORS
data_sensor = _stats->get_fan_sensors();
temp << isr_fan_data(&data_sensor, element_content_int);
#endif
break;
case UPTIME:
data_history = _stats->get_history(element_content_int);
temp << isr_uptime_data(&data_history);
break;
case DISK:
data_disk_history = _stats->get_disk_history();
temp << isr_disk_data(&data_disk_history, element_content_int, cf_disk_mount_path_label, cf_disk_filesystem_label, cf_disk_rename_label);
break;
}
cur = cur->next;
}
temp << "</isr>";
_active_socket->send(temp.str());
}
}
} // Failed to read next node
} // Unknown element recived after header
} // Failed to read header
xmlFreeDoc(doc);
xmlFreeParserCtxt(ctxt);
}
}