added method GeoLocation::equals
[public/netxms.git] / src / server / core / netsrv.cpp
CommitLineData
e83d726c 1/*
5039dede 2** NetXMS - Network Management System
db091a1f 3** Copyright (C) 2003-2016 Victor Kirhenshtein
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4**
5** This program is free software; you can redistribute it and/or modify
6** it under the terms of the GNU General Public License as published by
7** the Free Software Foundation; either version 2 of the License, or
8** (at your option) any later version.
9**
10** This program is distributed in the hope that it will be useful,
11** but WITHOUT ANY WARRANTY; without even the implied warranty of
12** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13** GNU General Public License for more details.
14**
15** You should have received a copy of the GNU General Public License
16** along with this program; if not, write to the Free Software
17** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18**
19** File: netsrv.cpp
20**
21**/
22
23#include "nxcore.h"
24
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25/**
26 * Default constructor
27 */
28NetworkService::NetworkService() : NetObj()
5039dede 29{
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30 m_serviceType = NETSRV_HTTP;
31 m_hostNode = NULL;
32 m_pollerNode = 0;
33 m_proto = IPPROTO_TCP;
34 m_port = 80;
35 m_request = NULL;
36 m_response = NULL;
37 m_pendingStatus = -1;
38 m_pollCount = 0;
39 m_requiredPollCount = 0; // Use system default
b8014eee 40 m_responseTime = 0;
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41}
42
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43/**
44 * Extended constructor
45 * Note that pszRequest and pszResponse should be dynamically allocated
46 * and they will be freed by object's destructor!!!
47 */
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48NetworkService::NetworkService(int iServiceType, WORD wProto, WORD wPort,
49 TCHAR *pszRequest, TCHAR *pszResponse,
967893bb 50 Node *pHostNode, UINT32 dwPollerNode) : NetObj()
5039dede 51{
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52 m_serviceType = iServiceType;
53 m_hostNode = pHostNode;
54 m_pollerNode = dwPollerNode;
55 m_proto = wProto;
56 m_port = wPort;
57 m_request = pszRequest;
58 m_response = pszResponse;
59 m_pendingStatus = -1;
60 m_pollCount = 0;
61 m_requiredPollCount = 0; // Use system default
b8014eee 62 m_responseTime = 0;
01152a54 63 m_isHidden = true;
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64}
65
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66/**
67 * Destructor
68 */
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69NetworkService::~NetworkService()
70{
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71 free(m_request);
72 free(m_response);
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73}
74
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75/**
76 * Save object to database
77 */
b4277312 78bool NetworkService::saveToDatabase(DB_HANDLE hdb)
5039dede 79{
c42b4551 80 lockProperties();
5039dede 81
89135050 82 saveCommonProperties(hdb);
5039dede 83
5039dede 84 // Form and execute INSERT or UPDATE query
d6bf58f9 85 DB_STATEMENT hStmt;
c42b4551 86 if (IsDatabaseRecordExist(hdb, _T("network_services"), _T("id"), m_id))
5039dede 87 {
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88 hStmt = DBPrepare(hdb, _T("UPDATE network_services SET node_id=?,")
89 _T("service_type=?,ip_bind_addr=?,")
90 _T("ip_proto=?,ip_port=?,check_request=?,")
91 _T("check_responce=?,poller_node_id=?,")
92 _T("required_polls=? WHERE id=?"));
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93 }
94 else
95 {
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96 hStmt = DBPrepare(hdb, _T("INSERT INTO network_services (node_id,")
97 _T("service_type,ip_bind_addr,ip_proto,ip_port,")
98 _T("check_request,check_responce,poller_node_id,")
99 _T("required_polls,id) VALUES (?,?,?,?,?,?,?,?,?,?)"));
5039dede 100 }
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101 if (hStmt != NULL)
102 {
c75e9ee4 103 TCHAR szIpAddr[64];
d6bf58f9 104
c42b4551 105 DBBind(hStmt, 1, DB_SQLTYPE_INTEGER, m_hostNode->getId());
c59466d2 106 DBBind(hStmt, 2, DB_SQLTYPE_INTEGER, (LONG)m_serviceType);
c75e9ee4 107 DBBind(hStmt, 3, DB_SQLTYPE_VARCHAR, m_ipAddress.toString(szIpAddr), DB_BIND_STATIC);
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108 DBBind(hStmt, 4, DB_SQLTYPE_INTEGER, (UINT32)m_proto);
109 DBBind(hStmt, 5, DB_SQLTYPE_INTEGER, (UINT32)m_port);
110 DBBind(hStmt, 6, DB_SQLTYPE_TEXT, m_request, DB_BIND_STATIC);
111 DBBind(hStmt, 7, DB_SQLTYPE_TEXT, m_response, DB_BIND_STATIC);
112 DBBind(hStmt, 8, DB_SQLTYPE_INTEGER, m_pollerNode);
113 DBBind(hStmt, 9, DB_SQLTYPE_INTEGER, (LONG)m_requiredPollCount);
c42b4551 114 DBBind(hStmt, 10, DB_SQLTYPE_INTEGER, m_id);
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115
116 DBExecute(hStmt);
117
118 DBFreeStatement(hStmt);
119 }
e83d726c 120
5039dede 121 // Save access list
89135050 122 saveACLToDB(hdb);
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123
124 // Unlock object and clear modification flag
01152a54 125 m_isModified = false;
c42b4551 126 unlockProperties();
b4277312 127 return true;
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128}
129
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130/**
131 * Load properties from database
132 */
9bd1bace 133bool NetworkService::loadFromDatabase(DB_HANDLE hdb, UINT32 dwId)
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134{
135 TCHAR szQuery[256];
136 DB_RESULT hResult;
967893bb 137 UINT32 dwHostNodeId;
5039dede 138 NetObj *pObject;
9bd1bace 139 bool bResult = false;
5039dede 140
c42b4551 141 m_id = dwId;
5039dede 142
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143 if (!loadCommonProperties(hdb))
144 return false;
5039dede 145
dda7c270 146 _sntprintf(szQuery, 256, _T("SELECT node_id,service_type,")
4fe87cdc 147 _T("ip_bind_addr,ip_proto,ip_port,check_request,check_responce,")
dda7c270 148 _T("poller_node_id,required_polls FROM network_services WHERE id=%d"), dwId);
9bd1bace 149 hResult = DBSelect(hdb, szQuery);
5039dede 150 if (hResult == NULL)
9bd1bace 151 return false; // Query failed
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152
153 if (DBGetNumRows(hResult) != 0)
154 {
155 dwHostNodeId = DBGetFieldULong(hResult, 0, 0);
c59466d2 156 m_serviceType = DBGetFieldLong(hResult, 0, 1);
c75e9ee4 157 m_ipAddress = DBGetFieldInetAddr(hResult, 0, 2);
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158 m_proto = (WORD)DBGetFieldULong(hResult, 0, 3);
159 m_port = (WORD)DBGetFieldULong(hResult, 0, 4);
160 m_request = DBGetField(hResult, 0, 5, NULL, 0);
161 m_response = DBGetField(hResult, 0, 6, NULL, 0);
162 m_pollerNode = DBGetFieldULong(hResult, 0, 7);
163 m_requiredPollCount = DBGetFieldLong(hResult, 0, 8);
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164
165 // Link service to node
01152a54 166 if (!m_isDeleted)
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167 {
168 // Find host node
169 pObject = FindObjectById(dwHostNodeId);
170 if (pObject == NULL)
171 {
35f836fe 172 nxlog_write(MSG_INVALID_NODE_ID_EX, EVENTLOG_ERROR_TYPE, "dds", dwId, dwHostNodeId, _T("network service"));
5039dede 173 }
c42b4551 174 else if (pObject->getObjectClass() != OBJECT_NODE)
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175 {
176 nxlog_write(MSG_NODE_NOT_NODE, EVENTLOG_ERROR_TYPE, "dd", dwId, dwHostNodeId);
177 }
178 else
179 {
c59466d2 180 m_hostNode = (Node *)pObject;
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181 pObject->addChild(this);
182 addParent(pObject);
9bd1bace 183 bResult = true;
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184 }
185
186 // Check that polling node ID is valid
c59466d2 187 if ((m_pollerNode != 0) && bResult)
5039dede 188 {
c59466d2 189 pObject = FindObjectById(m_pollerNode);
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190 if (pObject == NULL)
191 {
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192 nxlog_write(MSG_INVALID_NODE_ID_EX, EVENTLOG_ERROR_TYPE, "dds", dwId, m_pollerNode, _T("network service"));
193 bResult = false;
5039dede 194 }
c42b4551 195 else if (pObject->getObjectClass() != OBJECT_NODE)
5039dede 196 {
c59466d2 197 nxlog_write(MSG_NODE_NOT_NODE, EVENTLOG_ERROR_TYPE, "dd", dwId, m_pollerNode);
9bd1bace 198 bResult = false;
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199 }
200 }
201 }
202 else
203 {
9bd1bace 204 bResult = true;
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205 }
206 }
207
208 DBFreeResult(hResult);
209
210 // Load access list
9bd1bace 211 loadACLFromDB(hdb);
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212
213 return bResult;
214}
215
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216/**
217 * Delete object from database
218 */
c42b4551 219bool NetworkService::deleteFromDatabase(DB_HANDLE hdb)
5039dede 220{
c42b4551 221 bool success = NetObj::deleteFromDatabase(hdb);
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222 if (success)
223 success = executeQueryOnObject(hdb, _T("DELETE FROM network_services WHERE id=?"));
224 return success;
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225}
226
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227/**
228 * Create NXCP message with object's data
229 */
8fe90adb 230void NetworkService::fillMessageInternal(NXCPMessage *pMsg)
5039dede 231{
8fe90adb 232 NetObj::fillMessageInternal(pMsg);
b368969c 233 pMsg->setField(VID_SERVICE_TYPE, (WORD)m_serviceType);
70a027d2 234 pMsg->setField(VID_IP_ADDRESS, m_ipAddress);
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235 pMsg->setField(VID_IP_PROTO, m_proto);
236 pMsg->setField(VID_IP_PORT, m_port);
237 pMsg->setField(VID_POLLER_NODE_ID, m_pollerNode);
238 pMsg->setField(VID_SERVICE_REQUEST, CHECK_NULL_EX(m_request));
239 pMsg->setField(VID_SERVICE_RESPONSE, CHECK_NULL_EX(m_response));
240 pMsg->setField(VID_REQUIRED_POLLS, (WORD)m_requiredPollCount);
241 pMsg->setField(VID_RESPONSE_TIME, m_responseTime);
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242}
243
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244/**
245 * Modify object from message
246 */
8fe90adb 247UINT32 NetworkService::modifyFromMessageInternal(NXCPMessage *pRequest)
5039dede 248{
5039dede 249 // Polling node
5c44534b 250 if (pRequest->isFieldExist(VID_POLLER_NODE_ID))
5039dede 251 {
967893bb 252 UINT32 dwNodeId;
5039dede 253
b368969c 254 dwNodeId = pRequest->getFieldAsUInt32(VID_POLLER_NODE_ID);
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255 if (dwNodeId == 0)
256 {
c59466d2 257 m_pollerNode = 0;
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258 }
259 else
260 {
261 NetObj *pObject;
262
263 pObject = FindObjectById(dwNodeId);
264 if (pObject != NULL)
265 {
c42b4551 266 if (pObject->getObjectClass() == OBJECT_NODE)
5039dede 267 {
c59466d2 268 m_pollerNode = dwNodeId;
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269 }
270 else
271 {
c42b4551 272 unlockProperties();
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273 return RCC_INVALID_OBJECT_ID;
274 }
275 }
276 else
277 {
c42b4551 278 unlockProperties();
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279 return RCC_INVALID_OBJECT_ID;
280 }
281 }
282 }
283
284 // Listen IP address
5c44534b 285 if (pRequest->isFieldExist(VID_IP_ADDRESS))
c75e9ee4 286 m_ipAddress = pRequest->getFieldAsInetAddress(VID_IP_ADDRESS);
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287
288 // Service type
5c44534b 289 if (pRequest->isFieldExist(VID_SERVICE_TYPE))
b368969c 290 m_serviceType = (int)pRequest->getFieldAsUInt16(VID_SERVICE_TYPE);
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291
292 // IP protocol
5c44534b 293 if (pRequest->isFieldExist(VID_IP_PROTO))
b368969c 294 m_proto = pRequest->getFieldAsUInt16(VID_IP_PROTO);
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295
296 // TCP/UDP port
5c44534b 297 if (pRequest->isFieldExist(VID_IP_PORT))
b368969c 298 m_port = pRequest->getFieldAsUInt16(VID_IP_PORT);
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299
300 // Number of required polls
5c44534b 301 if (pRequest->isFieldExist(VID_REQUIRED_POLLS))
b368969c 302 m_requiredPollCount = (int)pRequest->getFieldAsUInt16(VID_REQUIRED_POLLS);
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303
304 // Check request
5c44534b 305 if (pRequest->isFieldExist(VID_SERVICE_REQUEST))
5039dede 306 {
c59466d2 307 safe_free(m_request);
b368969c 308 m_request = pRequest->getFieldAsString(VID_SERVICE_REQUEST);
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309 }
310
311 // Check response
5c44534b 312 if (pRequest->isFieldExist(VID_SERVICE_RESPONSE))
5039dede 313 {
c59466d2 314 safe_free(m_response);
b368969c 315 m_response = pRequest->getFieldAsString(VID_SERVICE_RESPONSE);
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316 }
317
8fe90adb 318 return NetObj::modifyFromMessageInternal(pRequest);
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319}
320
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321/**
322 * Perform status poll on network service
323 */
c59466d2 324void NetworkService::statusPoll(ClientSession *session, UINT32 rqId, Node *pollerNode, Queue *eventQueue)
5039dede 325{
db091a1f 326 int oldStatus = m_status, newStatus;
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327 Node *pNode;
328
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329 m_pollRequestor = session;
330 if (m_hostNode == NULL)
5039dede 331 {
db091a1f 332 m_status = STATUS_UNKNOWN;
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333 return; // Service without host node, which is VERY strange
334 }
335
c42b4551 336 sendPollerMsg(rqId, _T(" Starting status poll on network service %s\r\n"), m_name);
db091a1f 337 sendPollerMsg(rqId, _T(" Current service status is %s\r\n"), GetStatusAsText(m_status, true));
5039dede 338
c59466d2 339 if (m_pollerNode != 0)
5039dede 340 {
c59466d2 341 pNode = (Node *)FindObjectById(m_pollerNode);
5039dede 342 if (pNode != NULL)
21c9acce 343 pNode->incRefCount();
5039dede 344 else
c59466d2 345 pNode = pollerNode;
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346 }
347 else
348 {
c59466d2 349 pNode = pollerNode;
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350 }
351
352 if (pNode != NULL)
353 {
c75e9ee4 354 TCHAR szBuffer[64];
967893bb 355 UINT32 dwStatus;
5039dede 356
c59466d2 357 sendPollerMsg(rqId, _T(" Polling service from node %s [%s]\r\n"),
c75e9ee4 358 pNode->getName(), pNode->getIpAddress().toString(szBuffer));
e83d726c 359 if (pNode->checkNetworkService(&dwStatus,
82a0af5b 360 m_ipAddress.isValidUnicast() ? m_ipAddress : m_hostNode->getIpAddress(),
e83d726c 361 m_serviceType, m_port, m_proto,
b8014eee 362 m_request, m_response, &m_responseTime) == ERR_SUCCESS)
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363 {
364 newStatus = (dwStatus == 0) ? STATUS_NORMAL : STATUS_CRITICAL;
c59466d2 365 sendPollerMsg(rqId, _T(" Agent reports service status [%d]\r\n"), dwStatus);
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366 }
367 else
368 {
c59466d2 369 sendPollerMsg(rqId, _T(" Unable to check service status due to agent or communication error\r\n"));
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370 newStatus = STATUS_UNKNOWN;
371 }
372
c59466d2 373 if (pNode != pollerNode)
21c9acce 374 pNode->decRefCount();
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375 }
376 else
377 {
c59466d2 378 sendPollerMsg(rqId, _T(" Unable to find node object for poll\r\n"));
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379 newStatus = STATUS_UNKNOWN;
380 }
381
c1482463 382 // Reset status to unknown if node has known network connectivity problems
a0cc56b3 383 if ((newStatus == STATUS_CRITICAL) && (pNode->getState() & DCSF_NETWORK_PATH_PROBLEM))
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384 {
385 newStatus = STATUS_UNKNOWN;
c42b4551 386 DbgPrintf(6, _T("StatusPoll(%s): Status for network service %s reset to UNKNOWN"), pNode->getName(), m_name);
c1482463 387 }
e83d726c 388
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389 if (newStatus != oldStatus)
390 {
c59466d2 391 if (newStatus == m_pendingStatus)
5039dede 392 {
c59466d2 393 m_pollCount++;
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394 }
395 else
396 {
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397 m_pendingStatus = newStatus;
398 m_pollCount = 1;
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399 }
400
c59466d2 401 if (m_pollCount >= ((m_requiredPollCount > 0) ? m_requiredPollCount : g_requiredPolls))
5039dede 402 {
db091a1f 403 m_status = newStatus;
c59466d2 404 m_pendingStatus = -1; // Invalidate pending status
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405 sendPollerMsg(rqId, _T(" Service status changed to %s\r\n"), GetStatusAsText(m_status, true));
406 PostEventEx(eventQueue, m_status == STATUS_NORMAL ? EVENT_SERVICE_UP :
407 (m_status == STATUS_CRITICAL ? EVENT_SERVICE_DOWN : EVENT_SERVICE_UNKNOWN),
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408 m_hostNode->getId(), "sdd", m_name, m_id, m_serviceType);
409 lockProperties();
410 setModified();
411 unlockProperties();
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412 }
413 }
c42b4551 414 sendPollerMsg(rqId, _T(" Finished status poll on network service %s\r\n"), m_name);
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415}
416
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417/**
418 * Handler for object deletion
419 */
967893bb 420void NetworkService::onObjectDelete(UINT32 dwObjectId)
5039dede 421{
c42b4551 422 lockProperties();
c59466d2 423 if (dwObjectId == m_pollerNode)
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424 {
425 // If deleted object is our poller node, change it to default
c59466d2 426 m_pollerNode = 0;
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427 setModified();
428 DbgPrintf(3, _T("Service \"%s\": poller node %d deleted"), m_name, dwObjectId);
5039dede 429 }
c42b4551 430 unlockProperties();
5039dede 431}
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432
433/**
434 * Serialize object to JSON
435 */
436json_t *NetworkService::toJson()
437{
438 json_t *root = NetObj::toJson();
439 json_object_set_new(root, "serviceType", json_integer(m_serviceType));
440 json_object_set_new(root, "pollerNode", json_integer(m_pollerNode));
441 json_object_set_new(root, "proto", json_integer(m_proto));
442 json_object_set_new(root, "port", json_integer(m_port));
443 json_object_set_new(root, "ipAddress", m_ipAddress.toJson());
444 json_object_set_new(root, "request", json_string_t(m_request));
445 json_object_set_new(root, "response", json_string_t(m_response));
446 json_object_set_new(root, "pendingStatus", json_integer(m_pendingStatus));
447 json_object_set_new(root, "pollCount", json_integer(m_pollCount));
448 json_object_set_new(root, "requiredPollCount", json_integer(m_requiredPollCount));
449 json_object_set_new(root, "responseTime", json_integer(m_responseTime));
450 return root;
451}