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GB28181Device/sip/sip_timer.cpp

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+/***************************************************************************************
+ *
+ *  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+ *
+ *  By downloading, copying, installing or using the software you agree to this license.
+ *  If you do not agree to this license, do not download, install, 
+ *  copy or use the software.
+ *
+ *  Copyright (C) 2014-2022, Happytimesoft Corporation, all rights reserved.
+ *
+ *  Redistribution and use in binary forms, with or without modification, are permitted.
+ *
+ *  Unless required by applicable law or agreed to in writing, software distributed 
+ *  under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+ *  CONDITIONS OF ANY KIND, either express or implied. See the License for the specific
+ *  language governing permissions and limitations under the License.
+ *
+****************************************************************************************/
+
+#include "sys_inc.h"
+#include "hqueue.h"
+#include "linked_list.h"
+#include "rfc_md5.h"
+#include "word_analyse.h"
+#include "digcalc.h"
+#include "ppstack.h"
+#include "hsip.h"
+#include "sua.h"
+#include "sip_parse.h"
+#include "sip_tx.h"
+#include "sip_reg.h"
+#include "sip_timer.h"
+#include "sip_pstate.h"
+#include "gb28181_msg.h"
+#include "gb28181_cfg.h"
+#include "gb28181_subscribe.h"
+
+
+/***************************************************************************************
+全局数据
+***************************************************************************************/
+extern HSIP_CLASS	hsip;
+extern HSIP_USER	g_user;
+
+uint32	sua_reg_interval = 30;
+uint32	sua_reg_cnt = 0;
+
+/***************************************************************************************
+Timer消息处理
+***************************************************************************************/
+void sip_timer()
+{
+	uint32 i;
+	uint32 cur_time = sys_os_get_uptime();
+	SUA * p_sua = NULL;
+
+	HSIP_USER * p_user = &g_user;
+	
+	// SIP呼叫表项处理
+	
+	for (i = 0; i < MAX_NUM_SUA; i++)
+	{
+		p_sua = (SUA *)sua_get_by_index(i);
+		if (p_sua == NULL)
+		{
+			continue;
+		}
+		
+		// SUA呼叫表项处理
+		
+		if (p_sua->uaf_state_timer == 1 && p_sua->call_state != SUA_CS_IDLE)
+		{
+			if (p_sua->state_retx_count < p_sua->state_retx_max_times)
+			{
+				if (p_sua->state_timer_interval <= (cur_time - p_sua->last_tx_time))
+				{
+					sip_resend_sua_msg(p_sua); // 消息重传处理
+				}	
+			}
+			else
+			{
+				// 重传次数超过最大值,进入失败状态
+				
+				sua_call_state(p_sua, CSE_TIMEOUT, NULL);
+			}
+		}
+		// 此处仅测试用，实际开发中应已读取录像来判断
+		else if ((p_sua->uaf_playback || p_sua->uaf_download) && p_sua->play_st > 0 && p_sua->st > 0 && p_sua->et > 0)
+		{
+			if ((cur_time - p_sua->play_st) > (p_sua->et - p_sua->st))
+			{
+				// 录像回放结束
+
+				GB28181_MEDIA_NOTIFY req;
+
+				strcpy(req.DeviceID, p_sua->req_name);
+				strcpy(req.NotifyType, "121");
+				
+				gb28181_media_status_tx(p_user, &req);
+			}
+		}
+	}
+
+	// 外部SIP注册表项处理
+
+	if (sua_reg_cnt++ >= sua_reg_interval)
+	{
+		if (p_user->user_state != HSIP_AUTH_200)
+		{
+			if (p_user->usrf_tcp_sip == 0)
+			{
+				HSIP_MSG * tx_msg = sip_build_register_normal_msg(p_user, inet_addr(p_user->server_ipstr), htons(p_user->server_port));
+				if (tx_msg)
+				{
+					user_tx_free_msg(p_user, tx_msg);
+				}
+			}
+		}
+		else
+		{
+			if ((cur_time - p_user->last_reg_time) >= (p_user->expires_time >> 1))
+			{
+				HSIP_MSG * tx_msg = sip_build_register_normal_msg(p_user, inet_addr(p_user->server_ipstr), htons(p_user->server_port));
+				if (tx_msg)
+				{
+					user_tx_free_msg(p_user, tx_msg);
+				}
+			}
+		}
+
+		sua_reg_cnt = 0;
+	}
+
+	if (p_user->usrf_auth == 1)
+	{
+		if (cur_time - p_user->last_hb_time >= g_gb28181_cfg.heartbeat_interval)
+		{
+			gb28181_heartbeat_tx(p_user);
+
+			p_user->last_hb_time = sys_os_get_uptime();
+		}
+	}
+
+	gb28181_subscribe_timer();
+
+	sip_trans_timer(&(hsip.sip_trans), cur_time);
+}
+
+/***************************************************************************************
+系统定时器初始化
+***************************************************************************************/
+
+#if	__WINDOWS_OS__
+
+#ifdef _WIN64
+void CALLBACK sip_win_timer(UINT uTimerID, UINT uMsg, DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2)
+#else
+void CALLBACK sip_win_timer(UINT uID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2)
+#endif
+{
+	if (hsip.sys_init_flag == 2)
+	{
+		SIPTM stm;
+		memset(&stm, 0, sizeof(SIPTM));
+		
+		stm.msg_src = SIP_TIMER_SRC;
+		
+		hqBufPut(hsip.msg_queue, (char *)&stm);
+	}
+}
+
+void sip_timer_init()
+{
+	hsip.timer_id = timeSetEvent(1000, 0, sip_win_timer, 0, TIME_PERIODIC);
+}
+
+void sip_timer_deinit()
+{
+	timeKillEvent(hsip.timer_id);
+}
+
+#else
+
+void * sip_timer_task(void * argv)
+{
+	struct timeval tv;
+	
+	while (hsip.sys_timer_run == 1)
+	{		
+		tv.tv_sec = 1;
+		tv.tv_usec = 0;
+		
+		select(1, NULL, NULL, NULL, &tv);
+		
+		if (hsip.sys_init_flag > 1)
+		{
+			SIPTM stm;
+			memset(&stm, 0, sizeof(SIPTM));
+			
+			stm.msg_src = SIP_TIMER_SRC;
+			
+			hqBufPut(hsip.msg_queue, (char *)&stm);
+		}
+	}
+
+	hsip.timer_id = 0;
+	
+	log_print(HT_LOG_DBG, "sip timer task exit\r\n");
+
+	return NULL;
+}
+
+void sip_timer_init()
+{
+	hsip.sys_timer_run = 1;
+
+	pthread_t thrd = sys_os_create_thread((void *)sip_timer_task, NULL);
+	if (thrd == 0)
+	{
+		log_print(HT_LOG_ERR, "%s, sip_timer_task failed\r\n", __FUNCTION__);
+		return;;
+	}
+
+	hsip.timer_id = thrd;
+
+	log_print(HT_LOG_DBG, "%s, create sip timer thread sucessful\r\n", __FUNCTION__);
+}
+
+void sip_timer_deinit()
+{
+	hsip.sys_timer_run = 0;
+	
+	while (hsip.timer_id != 0)
+	{
+		usleep(10*1000);
+	}
+}
+
+#endif
+
+
+