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EslGateway.cpp 15KB

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  1. #include "StdAfx.h"
  2. #include "EslGateway.h"
  3. #include "FsProxy.h"
  4. #include "ChanTrunk.h"
  5. CEslGateway::CEslGateway(CFsProxy* pParent) : m_pParent(pParent), m_Stop(true), m_ListenThread(NULL), m_EventThread(NULL)
  6. {
  7. }
  8. CEslGateway::~CEslGateway(void)
  9. {
  10. }
  11. /*****************************************************************
  12. **【函数名称】 __eslListenThread
  13. **【函数功能】 ESL服务端线程函数
  14. **【参数】
  15. **【返回值】
  16. *****************************************************************/
  17. DWORD WINAPI CEslGateway::__eslListenThread( LPVOID lpParameter )
  18. {
  19. CEslGateway* pGw = (CEslGateway*)lpParameter;
  20. ASSERT(pGw != NULL);
  21. if(esl_listen_threaded(_T("localhost"), CConfig::ivrPort(), __eslListenThreadCb, pGw, CConfig::trunkCount()) == ESL_SUCCESS)
  22. return 1;
  23. else
  24. {
  25. LOGGER(LOG_LEVEL_WARNING, _T("{EslGateway}: 监听IVR连接时连接出错"));
  26. pGw->m_pParent->onEslDisconnect();
  27. return 0;
  28. }
  29. }
  30. /*****************************************************************
  31. **【函数名称】 __eslListenThreadCb
  32. **【函数功能】 ESL服务端线程回调函数
  33. **【参数】
  34. **【返回值】
  35. *****************************************************************/
  36. void CEslGateway::__eslListenThreadCb( esl_socket_t server_sock, esl_socket_t client_sock, struct sockaddr_in *addr, void *user_data )
  37. {
  38. CEslGateway* pGw = (CEslGateway*)user_data;
  39. ASSERT(pGw != NULL);
  40. if(pGw->m_Stop)
  41. return;
  42. esl_handle_t Handle = { 0 };
  43. esl_attach_handle(&Handle, client_sock, addr);
  44. // 获取通道ID
  45. LPCTSTR ChanId = esl_event_get_header(Handle.info_event, ESL_HEADER_CHANID);
  46. ASSERT(ChanId != NULL);
  47. if(ChanId == NULL)
  48. {
  49. LOGGER(LOG_LEVEL_WARNING, _T("{EslGateway}: 处理客户端连接时获取通道ID失败"));
  50. return;
  51. }
  52. // 查找关联通道
  53. CChanTrunk* pTrunk = dynamic_cast<CChanTrunk*>(pGw->m_pParent->getBusyChan(ChanId));
  54. ASSERT(pTrunk != NULL);
  55. if(pTrunk == NULL)
  56. {
  57. LOGGER(LOG_LEVEL_WARNING, _T("{EslGateway}: 处理客户端连接时获取通道失败, ChanId = %s"), ChanId);
  58. return;
  59. }
  60. LOGGER(LOG_LEVEL_NORMAL, _T("{EslGateway}: 客户端连接, TrunkNo = %lu"), pTrunk->no());
  61. pGw->__processCallConnect(&Handle, pTrunk);
  62. esl_disconnect(&Handle);
  63. }
  64. /*****************************************************************
  65. **【函数名称】 __processCallConnect
  66. **【函数功能】 处理呼叫连接
  67. **【参数】
  68. **【返回值】
  69. *****************************************************************/
  70. void CEslGateway::__processCallConnect( esl_handle_t* pHandle, CChanTrunk* pTrunk )
  71. {
  72. // 连接相关设置
  73. esl_events(pHandle, ESL_EVENT_TYPE_PLAIN, _T("CHANNEL_EXECUTE_COMPLETE"));
  74. esl_filter(pHandle, ESL_HEADER_CHANID, pTrunk->chanId());
  75. esl_send_recv(pHandle, _T("linger 5"));
  76. if(!pTrunk->processCallConnect(pHandle))
  77. return;
  78. esl_status_t Status;
  79. APP_EXEC_NOTIFY Notify = { 0 };
  80. while(!pTrunk->isStopConnect())
  81. {
  82. Status = esl_recv_timed(pHandle, 500);
  83. if(Status == ESL_SUCCESS)
  84. {
  85. esl_event_t* pEvent = pHandle->last_ievent;
  86. if(pEvent != NULL && pEvent->event_id == ESL_EVENT_CHANNEL_EXECUTE_COMPLETE)
  87. {
  88. LPCTSTR Application = esl_event_get_header(pEvent, ESL_HEADER_APPLICATION);
  89. ASSERT(Application != NULL);
  90. ZeroMemory(&Notify, sizeof(Notify));
  91. lstrcpy(Notify.App, Application);
  92. pTrunk->onAppExecuted(&Notify);
  93. }
  94. }
  95. else if(Status == ESL_BREAK) continue;
  96. else break;
  97. }
  98. pTrunk->processCallDisconnect();
  99. }
  100. /*****************************************************************
  101. **【函数名称】 __eventThread
  102. **【函数功能】 ESL事件监听线程
  103. **【参数】
  104. **【返回值】
  105. *****************************************************************/
  106. DWORD WINAPI CEslGateway::__eventThread( LPVOID lpParameter )
  107. {
  108. CEslGateway* pEslGw = (CEslGateway*)lpParameter;
  109. ASSERT(pEslGw != NULL);
  110. esl_event_t* pEvent = NULL;
  111. esl_handle_t* pListenHandle = &pEslGw->m_EslHdl4Listen;
  112. // 下面的设置保证执行同时多个APP时,后面的不会抢占前面的
  113. pListenHandle->event_lock = 1;
  114. while (!pEslGw->m_Stop)
  115. {
  116. // esl_recv_event会阻塞线程,其第二个参数为1,表示优先检查内部缓存列表,防止遗漏事件。
  117. if(esl_recv_event(pListenHandle, 1, NULL) == ESL_SUCCESS)
  118. {
  119. pEvent = pListenHandle->last_ievent;
  120. if(pEvent != NULL)
  121. pEslGw->__onEslEvent(pEvent);
  122. }
  123. else
  124. {
  125. // 连接中断
  126. pEslGw->__onEslDisconnect();
  127. return 0;
  128. }
  129. }
  130. return 1;
  131. }
  132. /*****************************************************************
  133. **【函数名称】 __onEslEvent
  134. **【函数功能】 ESL事件处理
  135. **【参数】
  136. **【返回值】
  137. *****************************************************************/
  138. void CEslGateway::__onEslEvent( esl_event_t* pEvent )
  139. {
  140. switch(pEvent->event_id)
  141. {
  142. case ESL_EVENT_BACKGROUND_JOB:
  143. __onEslEvtBgJobDone(pEvent);
  144. break;
  145. case ESL_EVENT_CHANNEL_CREATE:
  146. case ESL_EVENT_CHANNEL_ANSWER:
  147. case ESL_EVENT_CHANNEL_BRIDGE:
  148. case ESL_EVENT_CHANNEL_PROGRESS:
  149. case ESL_EVENT_CHANNEL_PROGRESS_MEDIA:
  150. case ESL_EVENT_CHANNEL_HANGUP_COMPLETE:
  151. __onEslEvtChanEvent(pEvent);
  152. break;
  153. case ESL_EVENT_DTMF:
  154. __onEslEvtDtmf(pEvent);
  155. break;
  156. case ESL_EVENT_CHANNEL_HOLD:
  157. __onEslEvtHold(pEvent, EVENT_HOLD);
  158. break;
  159. case ESL_EVENT_CHANNEL_UNHOLD:
  160. __onEslEvtHold(pEvent, EVENT_UNHOLD);
  161. break;
  162. case ESL_EVENT_CUSTOM:
  163. __onEslEvtCustom(pEvent);
  164. break;
  165. }
  166. }
  167. /*****************************************************************
  168. **【函数名称】 __onEslDisconnect
  169. **【函数功能】 ESL连接中断处理
  170. **【参数】
  171. **【返回值】
  172. *****************************************************************/
  173. void CEslGateway::__onEslDisconnect( void )
  174. {
  175. LOGGER(LOG_LEVEL_WARNING, _T("{EslGateway}: 监听通道事件时连接中断"));
  176. m_Stop = true;
  177. esl_disconnect(&m_EslHdl4Listen);
  178. esl_disconnect(&m_EslHdl4Send);
  179. CloseHandle(m_EventThread);
  180. m_EventThread = NULL;
  181. m_pParent->onEslDisconnect();
  182. }
  183. /*****************************************************************
  184. **【函数名称】 __onEslEvtBgJobDone
  185. **【函数功能】 后台任务执行结束事件处理
  186. **【参数】
  187. **【返回值】
  188. *****************************************************************/
  189. void CEslGateway::__onEslEvtBgJobDone( esl_event_t* pEvent )
  190. {
  191. BG_JOB_NOTIFY Notify;
  192. ZeroMemory(&Notify, sizeof(BG_JOB_NOTIFY));
  193. LPCTSTR HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_JOB_UUID);
  194. ASSERT(HeaderValue != NULL);
  195. Notify.JobInstance = atol(HeaderValue);
  196. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_JOB_CMD);
  197. ASSERT(HeaderValue != NULL);
  198. lstrcpy(Notify.JobCmd, HeaderValue);
  199. HeaderValue = esl_event_get_body(pEvent);
  200. ASSERT(HeaderValue != NULL);
  201. if(HeaderValue != NULL)
  202. lstrcpy(Notify.JobBody, HeaderValue);
  203. m_pParent->onEslEvtBgJobDone(&Notify);
  204. }
  205. /*****************************************************************
  206. **【函数名称】 __onEslEvtChanEvent
  207. **【函数功能】 通道事件处理
  208. **【参数】
  209. **【返回值】
  210. *****************************************************************/
  211. void CEslGateway::__onEslEvtChanEvent( esl_event_t* pEvent )
  212. {
  213. CHAN_EVENT_NOTIFY Notify;
  214. ZeroMemory(&Notify, sizeof(Notify));
  215. LPCTSTR HeaderValue = NULL;
  216. // 获取事件ID
  217. Notify.EventId = (CHAN_EVENT_ID)pEvent->event_id;
  218. // 获取通道方向
  219. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_DIRECTION);
  220. ASSERT(HeaderValue != NULL);
  221. if(lstrcmp(HeaderValue, ESL_HDR_DIRECTION_INBOUND) == 0)
  222. Notify.Direction = CALL_DIRECTION_INBOUND;
  223. else
  224. Notify.Direction = CALL_DIRECTION_OUTBOUND;
  225. // 获取会话ID
  226. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CALLID);
  227. ASSERT(HeaderValue != NULL);
  228. lstrcpy(Notify.CallId, HeaderValue);
  229. // 获取通道ID
  230. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CHANID);
  231. ASSERT(HeaderValue != NULL);
  232. lstrcpy(Notify.ChanId, HeaderValue);
  233. // 获取主被叫
  234. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CALLER);
  235. lstrcpy(Notify.Caller, HeaderValue);
  236. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CALLEE);
  237. if(HeaderValue != NULL)
  238. lstrcpy(Notify.Callee, HeaderValue);
  239. else
  240. {
  241. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_DEST_NUM);
  242. if(HeaderValue != NULL)
  243. lstrcpy(Notify.Callee, HeaderValue);
  244. }
  245. // 获取挂机原因
  246. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_HANGUP_CAUSE);
  247. if(HeaderValue != NULL)
  248. lstrcpy(Notify.HangupCause, HeaderValue);
  249. else
  250. {
  251. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CALL_FAILED_CAUSE);
  252. if(HeaderValue != NULL)
  253. lstrcpy(Notify.HangupCause, HeaderValue);
  254. }
  255. // 获取通道操作标识
  256. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CHAN_OP_INSTANCE);
  257. if(HeaderValue != NULL)
  258. Notify.ChanOpInstance = atol(HeaderValue);
  259. m_pParent->onEslEvtChannel(&Notify);
  260. }
  261. /*****************************************************************
  262. **【函数名称】 __onEslEvtCustom
  263. **【函数功能】 自定义事件处理
  264. **【参数】
  265. **【返回值】
  266. *****************************************************************/
  267. void CEslGateway::__onEslEvtCustom( esl_event_t* pEvent )
  268. {
  269. LPCTSTR HeaderValue = NULL;
  270. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_SUBCLASS);
  271. ASSERT(HeaderValue != NULL);
  272. if(lstrcmp(HeaderValue, ESL_HDR_SUBCLASS_SIP_REG) == 0) // 分机注册事件
  273. {
  274. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_EXTEN_NO);
  275. ASSERT(HeaderValue != NULL);
  276. UINT ExtenNo = 0;
  277. sscanf_s(HeaderValue, "%u", &ExtenNo);
  278. m_pParent->onEslExtenReg(ExtenNo);
  279. }
  280. else if(lstrcmp(HeaderValue, ESL_HDR_SUBCLASS_SIP_UNREG) == 0) // 分机注销事件
  281. {
  282. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_EXTEN_NO);
  283. ASSERT(HeaderValue != NULL);
  284. UINT ExtenNo = 0;
  285. sscanf_s(HeaderValue, "%u", &ExtenNo);
  286. m_pParent->onEslExtenUnreg(ExtenNo);
  287. }
  288. }
  289. /*****************************************************************
  290. **【函数名称】 __onEslEvtDtmf
  291. **【函数功能】 DTMF事件处理
  292. **【参数】
  293. **【返回值】
  294. *****************************************************************/
  295. void CEslGateway::__onEslEvtDtmf( esl_event_t* pEvent )
  296. {
  297. DTMF_NOTIFY Notify;
  298. ZeroMemory(&Notify, sizeof(Notify));
  299. LPCTSTR HeaderValue = NULL;
  300. // 获取会话ID
  301. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CALLID);
  302. ASSERT(HeaderValue != NULL);
  303. lstrcpy(Notify.CallId, HeaderValue);
  304. // 获取通道ID
  305. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CHANID);
  306. ASSERT(HeaderValue != NULL);
  307. lstrcpy(Notify.ChanId, HeaderValue);
  308. // 获取DTMF
  309. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_DTMF);
  310. ASSERT(HeaderValue != NULL);
  311. lstrcpy(Notify.DTMF, HeaderValue);
  312. m_pParent->onEslEvtDtmf(&Notify);
  313. }
  314. /*****************************************************************
  315. **【函数名称】 __onEslEvtHold
  316. **【函数功能】 保持事件处理
  317. **【参数】
  318. **【返回值】
  319. *****************************************************************/
  320. void CEslGateway::__onEslEvtHold( esl_event_t* pEvent, EVENT_HOLD_TYPE EvtType )
  321. {
  322. HOLD_NOTIFY Notify;
  323. ZeroMemory(&Notify, sizeof(Notify));
  324. LPCTSTR HeaderValue = NULL;
  325. // 获取会话ID
  326. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CALLID);
  327. ASSERT(HeaderValue != NULL);
  328. lstrcpy(Notify.CallId, HeaderValue);
  329. // 获取通道ID
  330. HeaderValue = esl_event_get_header(pEvent, ESL_HEADER_CHANID);
  331. ASSERT(HeaderValue != NULL);
  332. lstrcpy(Notify.ChanId, HeaderValue);
  333. // 获取保持事件类型
  334. Notify.EvtType = EvtType;
  335. m_pParent->onEslEvtHold(&Notify);
  336. }
  337. /*****************************************************************
  338. **【函数名称】 start
  339. **【函数功能】 启动
  340. **【参数】
  341. **【返回值】
  342. *****************************************************************/
  343. bool CEslGateway::start( void )
  344. {
  345. esl_connect(&m_EslHdl4Listen, CConfig::fsAddr(), CConfig::fsPort(), NULL, CConfig::fsPwd());
  346. if(!m_EslHdl4Listen.connected)
  347. return false;
  348. esl_events(&m_EslHdl4Listen, ESL_EVENT_TYPE_PLAIN,
  349. _T("BACKGROUND_JOB CHANNEL_CREATE CHANNEL_PROGRESS CHANNEL_PROGRESS_MEDIA CHANNEL_ANSWER CHANNEL_HANGUP_COMPLETE CHANNEL_HOLD CHANNEL_UNHOLD DTMF CUSTOM sofia::register sofia::unregister"));
  350. esl_connect(&m_EslHdl4Send, CConfig::fsAddr(), CConfig::fsPort(), NULL, CConfig::fsPwd());
  351. if(!m_EslHdl4Send.connected)
  352. {
  353. esl_disconnect(&m_EslHdl4Listen);
  354. return false;
  355. }
  356. m_Stop = false;
  357. m_EventThread = CreateThread(NULL, 0, __eventThread, this, 0, NULL);
  358. ASSERT(m_EventThread != NULL);
  359. if(m_EventThread == NULL)
  360. {
  361. m_Stop = true;
  362. esl_disconnect(&m_EslHdl4Listen);
  363. esl_disconnect(&m_EslHdl4Send);
  364. return false;
  365. }
  366. m_ListenThread = CreateThread(NULL, 0, __eslListenThread, this, 0, NULL);
  367. ASSERT(m_ListenThread != NULL);
  368. if(m_ListenThread == NULL)
  369. {
  370. m_Stop = true;
  371. CloseHandle(m_EventThread);
  372. m_EventThread = NULL;
  373. esl_disconnect(&m_EslHdl4Listen);
  374. esl_disconnect(&m_EslHdl4Send);
  375. return false;
  376. }
  377. return true;
  378. }
  379. /*****************************************************************
  380. **【函数名称】 stop
  381. **【函数功能】 停止
  382. **【参数】
  383. **【返回值】
  384. *****************************************************************/
  385. void CEslGateway::stop( void )
  386. {
  387. if(m_ListenThread != NULL)
  388. {
  389. DWORD ExitCode;
  390. GetExitCodeThread(m_ListenThread, &ExitCode);
  391. if(ExitCode == STILL_ACTIVE)
  392. TerminateThread(m_ListenThread, 0);
  393. CloseHandle(m_ListenThread);
  394. m_ListenThread = NULL;
  395. }
  396. if(!m_Stop)
  397. {
  398. m_Stop = true;
  399. esl_disconnect(&m_EslHdl4Listen);
  400. esl_disconnect(&m_EslHdl4Send);
  401. if(m_EventThread != NULL)
  402. {
  403. DWORD ExitCode;
  404. GetExitCodeThread(m_EventThread, &ExitCode);
  405. if(ExitCode == STILL_ACTIVE)
  406. WaitForSingleObject(m_EventThread, INFINITE);
  407. CloseHandle(m_EventThread);
  408. m_EventThread = NULL;
  409. }
  410. }
  411. }
  412. /*****************************************************************
  413. **【函数名称】 hangupAll
  414. **【函数功能】 挂断所有通道
  415. **【参数】
  416. **【返回值】
  417. *****************************************************************/
  418. bool CEslGateway::hangupAll( void )
  419. {
  420. return esl_send_recv(&m_EslHdl4Send, ESL_CMD_HANGUPALL) == ESL_SUCCESS;
  421. }
  422. /*****************************************************************
  423. **【函数名称】 scanExten
  424. **【函数功能】 扫描分机
  425. **【参数】
  426. **【返回值】
  427. *****************************************************************/
  428. bool CEslGateway::scanExten( void )
  429. {
  430. if(esl_send_recv(&m_EslHdl4Send, ESL_CMD_SCAN_INTERNAL) != ESL_SUCCESS)
  431. return false;
  432. if (m_EslHdl4Send.last_sr_event == NULL || m_EslHdl4Send.last_sr_event->body == NULL)
  433. return false;
  434. UINT ExtenId = 0;
  435. char Buffer[FS_BUFFER_LEN_NORMAL] = { 0 };
  436. char* lpNext = NULL;
  437. char* lpToken = strtok_s(m_EslHdl4Send.last_sr_event->body, ESL_EVT_SPLIT_FLAG, &lpNext);
  438. while(lpToken != NULL)
  439. {
  440. ZeroMemory(Buffer, FS_BUFFER_LEN_NORMAL);
  441. lstrcpyn(Buffer, lpToken, ESL_EVT_LEN_BODY_HDR_AUTH_USER);
  442. if(lstrcmp(Buffer, ESL_EVT_NAME_BODY_HDR_AUTH_USER) == 0)
  443. {
  444. sscanf_s(&lpToken[ESL_EVT_POS_BODY_HDR_AUTH_USER], "%u", &ExtenId);
  445. m_pParent->onEslExtenReg(ExtenId);
  446. }
  447. lpToken = strtok_s(NULL, ESL_EVT_SPLIT_FLAG, &lpNext);
  448. }
  449. return true;
  450. }
  451. /*****************************************************************
  452. **【函数名称】 sendCmd
  453. **【函数功能】 发送命令
  454. **【参数】
  455. **【返回值】
  456. *****************************************************************/
  457. bool CEslGateway::sendCmd( LPCTSTR pCmd )
  458. {
  459. ASSERT(pCmd != NULL);
  460. esl_status_t Status = esl_send_recv(&m_EslHdl4Send, pCmd);
  461. return Status == ESL_SUCCESS;
  462. }
  463. /*****************************************************************
  464. **【函数名称】 execute
  465. **【函数功能】 执行应用
  466. **【参数】
  467. **【返回值】
  468. *****************************************************************/
  469. bool CEslGateway::execute( esl_handle_t* pHandle, LPCTSTR App, LPCTSTR Param )
  470. {
  471. if(pHandle == NULL)
  472. return false;
  473. ASSERT(App != NULL);
  474. esl_status_t Status = esl_execute(pHandle, App, Param, NULL);
  475. return Status == ESL_SUCCESS;
  476. }