net-service.cpp 18 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609
  1. #include <thread>
  2. #include <mutex>
  3. #include <atomic>
  4. #include <iostream>
  5. #include <memory>
  6. #include <string.h>
  7. #include <math.h>
  8. #include <log.h>
  9. #include <znet.h>
  10. //#include <zstream.h>
  11. #include <sys/time.h>
  12. #include "worker.h"
  13. #include "tdoa_sync.h"
  14. #include "protocol.h"
  15. #include "net-service.h"
  16. #include "ant.h"
  17. #include "card.h"
  18. #include "crc.h"
  19. #include "mine_business.h"
  20. #include "tool_time.h"
  21. #include "module_service/module_traffic_light_manager.h"
  22. #include "module_service/module_device_net.h"
  23. net_service::net_service()
  24. {
  25. m_loc_worker=worker::instance();
  26. m_sync_worker=tdoa_sync::instance();
  27. }
  28. net_service::~net_service()
  29. {
  30. if(m_loc_worker)
  31. m_loc_worker->stop();
  32. }
  33. void net_service::on_timer()
  34. {
  35. visit_site_status vss;
  36. sit_list::instance()->accept(vss);
  37. traffic_light_manager::instance()->visit_light_status();
  38. }
  39. void net_service::on_connect(const std::shared_ptr<client>& clt)
  40. {
  41. }
  42. static bool check_message_time(const std::shared_ptr<client> &clt, const std::shared_ptr<site> &site_ptr, struct tm*p_site_tm, int site_ct, int power)
  43. {
  44. bool result=true;
  45. char timebuf[64]{0};
  46. strftime(timebuf,64,"%F %T",p_site_tm);
  47. logn_info(1,"分站数据信息:net=%s,site=%d,tm=%s,sct=%d,power=%s", clt->name().c_str(), site_ptr->m_id,timebuf,
  48. site_ct, site_ptr->m_power_check_enable?((power&1)?"ac":"dc"):"??");
  49. time_t site_time=mktime(p_site_tm);
  50. double diff=difftime(site_time, site_ptr->last_site_time());
  51. if(diff<-6) //允许2秒的时间抖动 3
  52. {
  53. logn_error(1,"分站时间回退,数据将被丢弃:net=%s,site=%d,diff=%d",clt->name().c_str(),site_ptr->m_id,(int)diff);
  54. result=false;
  55. }
  56. diff=difftime(site_time, time(nullptr));
  57. if(fabs(diff)>6) //3
  58. {
  59. logn_error(1,"分站时间与服务器时间相差太大:%s,site=%d,diff=%d",clt->name().c_str(),site_ptr->m_id,(int)diff);
  60. result=false;
  61. }
  62. site_ptr->set_site_time(site_time);
  63. return result;
  64. }
  65. void net_service::on_message(const std::shared_ptr<client> &clt,const char*data,size_t len)
  66. {
  67. bool message_handled=true;
  68. try
  69. {
  70. zistream is(data,len-2);
  71. uint16_t cmd;
  72. is>>skip(2)>>cmd;
  73. switch(cmd)
  74. {
  75. case CHAR_LOCATEDATA_TOF_EXTEND://tof-扩展
  76. {
  77. uint32_t site_id=-1;
  78. uint16_t site_ct=-1;
  79. uint8_t power=-1;
  80. struct tm site_tm={0};
  81. is>>site_id>>site_ct
  82. >>*(uint8_t*)&site_tm.tm_sec >>*(uint8_t*)&site_tm.tm_min >>*(uint8_t*)&site_tm.tm_hour >>*(uint8_t*)&site_tm.tm_mday
  83. >>*(uint8_t*)&site_tm.tm_mon >>*(uint8_t*)&site_tm.tm_mon >>*(uint8_t*)&site_tm.tm_year
  84. >>skip(2)>>power;
  85. site_tm.tm_year+=2000-1900;
  86. site_tm.tm_mon-=1;
  87. const auto &site_ptr = sit_list::instance()->get(static_cast<int32_t>(site_id));
  88. if(!site_ptr)
  89. {
  90. logn_error(1,"未定义分站:net=%s,site=%d", clt->name().c_str(), site_id);
  91. break;
  92. }
  93. if(site_ptr->is_abnormal_site())
  94. {
  95. logn_error(1,"分站[%d]天线异常", site_id);
  96. break;
  97. }
  98. check_message_time(clt,site_ptr,&site_tm,site_ct,power);
  99. site_ptr->m_algo = LDT_TOF;
  100. if(clt->type()!=2){
  101. site_ptr->set_client(clt);
  102. site_ptr->on_power_status((power&1)==0);
  103. //clt->set_site_id(site_id);
  104. }
  105. struct timeval tv;
  106. gettimeofday(&tv,NULL);
  107. uint64_t t = tv.tv_sec*1000 + tv.tv_usec/1000;
  108. int index=0;
  109. while(!is.eof())
  110. {
  111. uint64_t tstamp = t -1000 + 50 + index* 45;
  112. index++;
  113. task*t=task::alloc<message_locinfo>();
  114. message_locinfo&m=t->body<message_locinfo>();
  115. m.m_loc_type = LDT_TOF;
  116. m.m_site_id=site_id;
  117. m.m_time_stamp=tstamp;
  118. m.load(is,false);
  119. //t_site->m_site_data = 0;
  120. t->m_cmd_code=cmd;
  121. t->m_hash_id=m.m_card_id;
  122. m_loc_worker->request(t);
  123. }
  124. }
  125. break;
  126. case CHAR_LOCATEDATA_TOF_OPTIMIZE://tof-优化,大小分站
  127. {
  128. uint16_t site_id=-1;
  129. uint16_t site_ct=-1;
  130. uint32_t site_time_s=0;
  131. uint8_t power=-1;
  132. is>>site_id>>site_ct >>site_time_s >>power;
  133. power=power>>6;
  134. time_t site_time=site_time_s;
  135. auto site_ptr = sit_list::instance()->get(static_cast<int32_t>(site_id));
  136. if(!site_ptr)
  137. {
  138. logn_error(1,"在全局分站列表中找不到分站:%s,%d", clt->name().c_str(), site_id);
  139. break;
  140. }
  141. if(site_ptr->is_abnormal_site())
  142. {
  143. logn_error(1,"分站[%d]天线异常", site_id);
  144. break;
  145. }
  146. struct tm site_tm={0};
  147. localtime_r(&site_time, &site_tm);
  148. check_message_time(clt,site_ptr,&site_tm,site_ct,power);
  149. if(clt->type()!=2){
  150. site_ptr->set_client(clt);
  151. site_ptr->on_power_status((power&1)==0);
  152. //clt->set_site_id(site_id);
  153. }
  154. struct timeval tv;
  155. gettimeofday(&tv,NULL);
  156. uint64_t t = tv.tv_sec*1000 + tv.tv_usec/1000;
  157. int index=0;
  158. while(!is.eof())
  159. {
  160. uint64_t tstamp = t -1000 + 50 + index* 45;
  161. index++;
  162. for(auto & tk : message_locinfo::load_opt(is))
  163. {
  164. message_locinfo&m=tk->body<message_locinfo>();
  165. m.m_site_id=site_id;
  166. m.m_time_stamp=tstamp;
  167. tk->m_hash_id=m.m_card_id;
  168. tk->m_cmd_code=cmd;
  169. m_loc_worker->request(tk);
  170. }
  171. }
  172. }
  173. break;
  174. case CHAR_LOCATEDATA_PDOA:
  175. {
  176. int32_t site_id = parse_data_anchor_opt(clt, is);
  177. if(site_id < 0){
  178. break;
  179. }
  180. const auto& site_ptr = sit_list::instance()->get(static_cast<int32_t>(site_id));
  181. if(!site_ptr){
  182. logn_error(1,"在全局分站列表中找不到分站:%d", site_id);
  183. break;
  184. }
  185. if(clt->type() != 2){
  186. site_ptr->set_client(clt);
  187. //site_ptr->on_power_status((power&1)==0);
  188. }
  189. module_device_net::instance()->do_business(clt->name(), site_ptr->m_id, site_ptr->m_device_type_id);
  190. site_ptr->set_algo(LDT_PDOA);
  191. const auto& site_ptr_v = sit_list_v::instance()->get(static_cast<int32_t>(site_id));
  192. if (site_ptr_v)
  193. {
  194. site_ptr_v->set_algo(LDT_PDOA);
  195. }
  196. if(site_id == 73){
  197. uint64_t id = 2;
  198. id = ((id<<32) | 10004);
  199. auto c = card_list::instance()->get(id);
  200. log_info("[v_over_speed] %d, object=%s", id, (c==nullptr?"true":"false"));
  201. if(c){
  202. c->on_timer();
  203. }
  204. }
  205. //log_info("[scale_test] %.2f", site_ptr->m_scale);
  206. struct timeval tv;
  207. gettimeofday(&tv, NULL);
  208. uint64_t cur_time = tv.tv_sec*1000 + tv.tv_usec/1000;
  209. int index = 0;
  210. while(!is.eof()){
  211. uint64_t tstamp = cur_time - 1000 + 50 + index*45;
  212. ++index;
  213. task* t = task::alloc<message_pdoa_locinfo>();
  214. message_pdoa_locinfo& m = t->body<message_pdoa_locinfo>();
  215. m.load(is);
  216. float pdoa = 10.0;
  217. float dist = m.m_tof*15.65*2.996*1e-4;
  218. m.m_site_id = site_id;
  219. m.m_time_stamp = tstamp;
  220. m.m_loc_type = LDT_PDOA;
  221. t->m_cmd_code = cmd;
  222. t->m_hash_id = m.m_card_id;
  223. pdoa = tool_other::get_pdoa(m.m_poa, site_ptr->m_pdoa_offset);
  224. logn_info(3, "[pdoa] site_id=%d, card_id=%d, ct=%d, dist=%.3f, rav=%d, poa1=%.4f, poa2=%.4f, poa3=%.4f, pdoa=%.4f, pdoa_offset=%.4f", site_id, m.m_card_id, m.m_card_ct, dist, m.m_rav, m.m_poa[0], m.m_poa[1], m.m_poa[2], pdoa, site_ptr->m_pdoa_offset);
  225. if(m.m_poa[1] == 10.0 || dist < 0.0001 ){
  226. continue;
  227. }
  228. site_ptr->push_poa(fabs(m.m_poa[0]), fabs(m.m_poa[1]));
  229. m_loc_worker->request(t);
  230. }
  231. }
  232. break;
  233. case CHAR_NET_CALI_TIME://tof 分站时间同步
  234. {
  235. // 网络设备校时
  236. net_cali_time(clt);
  237. }
  238. break;
  239. case CHAR_CAN_CALI_TIME:
  240. {
  241. // can设备校时
  242. uint32_t rid=0;
  243. is>>rid;
  244. can_cali_time(clt, rid);
  245. }
  246. break;
  247. case CHAR_LOCATEDATA_TDOA_EXTEND: // 0x863b
  248. case CHAR_LOCATEDATA_TDOA_EXTEND_INS: // 0x901b
  249. {
  250. int32_t site_id = parse_data_anchor(clt, is);
  251. if(site_id < 0){
  252. break;
  253. }
  254. const auto& site_ptr = sit_list::instance()->get(static_cast<int32_t>(site_id));
  255. if(!site_ptr){
  256. logn_error(1,"在全局分站列表中找不到分站:%d", site_id);
  257. break;
  258. }
  259. site_ptr->set_algo(LDT_TDOA);
  260. while(!is.eof())
  261. {
  262. task* t = task::alloc<message_tdoa_locinfo>();
  263. message_tdoa_locinfo& m = t->body<message_tdoa_locinfo>();
  264. m.m_loc_type = LDT_TDOA;
  265. m.load(is, cmd);
  266. t->m_cmd_code = cmd;
  267. t->m_hash_id = m.m_card_msg.m_id;
  268. m_sync_worker->translate(m);
  269. m_loc_worker->request(t);
  270. }
  271. }
  272. break;
  273. case CHAR_TDOA_READER_SYNC_TIME://time sync 0xa78d
  274. {
  275. message_tdoasync m;
  276. m.load(is);
  277. m_sync_worker->on_message(m);
  278. }
  279. //site_message::on_sync(this,t.m_param1);
  280. break;
  281. case CHAR_VIRTUAL_DATA_PUSH_CMD://虚拟数据链接
  282. {
  283. logn_info(1,"接收到虚拟链接:%s",clt->name().c_str());
  284. clt->set_conn_type(2);
  285. }
  286. break;
  287. case CHAR_READER_HEART:
  288. {
  289. //通信基站心跳
  290. uint32_t id = 0;
  291. uint16_t site_ct = 0;
  292. uint16_t reserve = 0;
  293. is>>id>>site_ct>>reserve;
  294. auto site_ptr = sit_list::instance()->get(id);
  295. if(!site_ptr){
  296. logn_error(1,"在全局分站列表中找不到分站:%d", id);
  297. break;
  298. }
  299. site_ptr->m_time = time(0);
  300. //site_ptr->m_device_type_id = 0x08;
  301. site_ptr->m_net_device_status = 1;
  302. module_device_net::instance()->do_business(clt->name(), site_ptr->m_id, site_ptr->m_device_type_id);
  303. }
  304. break;
  305. case 0x793B: //虚拟推送的心跳测试
  306. case CHAR_LOCATEDATAHIS_TOF_EXTEND://tof his
  307. case CHAR_LOCATEDATAHIS_TDOA_EXTEND://tdoa his
  308. case CHAR_CTRL_READER_CMD://ctrl site message
  309. break;
  310. case THIRD_PARTY_CHAR_LIGHT_REQ_STATE:
  311. {
  312. // 红绿灯请求状态指令
  313. uint32_t id = 0;
  314. uint8_t dev_type = 0;
  315. is>>id>>dev_type;
  316. logn_info(4, "[traffic_light] light request state, light_id=%d, dev_type=%d", id, dev_type);
  317. // 找灯,并下发指令
  318. auto light_ptr = traffic_light_manager::instance()->get(id);
  319. if(light_ptr)
  320. {
  321. //traffic_light_manager::instance()->send_light_ctrl(id, DT_LIGHT, light_ptr->m_state);
  322. traffic_light_manager::instance()->send_light_data(id, DT_LIGHT, light_shape::green_all_on, 1);
  323. }else{
  324. traffic_light_manager::instance()->send_light_data(id, DT_LIGHT, light_shape::green_spark, 1);
  325. }
  326. }
  327. break;
  328. case THIRD_PARTY_CHAR_LIGHT_HEART:
  329. {
  330. // 红绿灯心跳
  331. uint32_t id = 0;
  332. uint16_t stamp = 0;
  333. uint8_t status = 0;
  334. is>>id>>stamp>>status;
  335. logn_info(4, "[traffic_light] light heart message, light_id=%d, stamp=%d, status=%d", id, stamp, status);
  336. logn_info(1, "红绿灯数据 : light_id=%d, ct=%d", id, stamp);
  337. auto light_ptr = traffic_light_manager::instance()->get(id);
  338. if(!light_ptr)
  339. {
  340. logn_error(1,"在全局信号灯列表中找不到信号灯:%d", id);
  341. break;
  342. }
  343. //log_info("[traffic_light] light client type=%d", clt->type());
  344. if(clt->type() != 2){
  345. light_ptr->set_client(clt);
  346. }
  347. light_ptr->m_state = status;
  348. light_ptr->m_rec_time = time(0);
  349. // 采集给红绿灯设备发送心跳指令
  350. traffic_light_manager::instance()->send_heart_data(data, len, id);
  351. module_device_net::instance()->do_business(clt->name(), light_ptr->m_light_id, light_ptr->m_device_type_id);
  352. }
  353. break;
  354. default:
  355. message_handled=false;
  356. }
  357. }
  358. catch(const std::exception&e)
  359. {
  360. logn_error(1,"分站数据处理失败,将关闭分站连接:%s [%s]",clt->name().c_str(),e.what());
  361. clt->close();
  362. }
  363. if(!message_handled)
  364. {
  365. logn_error(1,"分站数据未被处理,site=%s",clt->name().c_str());
  366. }
  367. }
  368. int32_t net_service::parse_data_anchor(const std::shared_ptr<client>& clt, zistream& s)
  369. {
  370. uint32_t site_id=-1;
  371. uint16_t site_ct=-1;
  372. uint8_t power=-1;
  373. struct tm site_tm={0};
  374. // 4字节分站号
  375. // 2字节时间戳
  376. // 7字节分站时间
  377. // 2字节保留字节
  378. // 1字节电源状态
  379. s>>site_id>>site_ct
  380. >>*(uint8_t*)&site_tm.tm_sec >>*(uint8_t*)&site_tm.tm_min >>*(uint8_t*)&site_tm.tm_hour >>*(uint8_t*)&site_tm.tm_mday
  381. >>*(uint8_t*)&site_tm.tm_mon >>*(uint8_t*)&site_tm.tm_mon >>*(uint8_t*)&site_tm.tm_year
  382. >>skip(2)>>power;
  383. site_tm.tm_year+=2000-1900;
  384. site_tm.tm_mon-=1;
  385. const auto &site_ptr = sit_list::instance()->get(static_cast<int32_t>(site_id));
  386. if(!site_ptr)
  387. {
  388. logn_error(1,"未定义分站:net=%s,site=%d", clt->name().c_str(), site_id);
  389. return -1;
  390. }
  391. if(site_ptr->is_abnormal_site())
  392. {
  393. logn_error(1,"分站[%d]天线异常", site_id);
  394. return -1;
  395. }
  396. check_message_time(clt, site_ptr, &site_tm, site_ct, power);
  397. if(clt->type()!=2){
  398. site_ptr->set_client(clt);
  399. site_ptr->on_power_status((power&1)==0);
  400. }
  401. logn_info(1,"分站数据:site_id: %d, site_ct: %d, time: %s, power: %d", site_id, site_ct, tool_time::to_str_ex(&site_tm).c_str(), power);
  402. return site_id;
  403. }
  404. // 分站优化协议
  405. int32_t net_service::parse_data_anchor_opt(const std::shared_ptr<client>& clt, zistream& s)
  406. {
  407. // 分站号,2字节
  408. uint16_t site_id = 0;
  409. // 分站时间戳,2字节
  410. uint16_t site_ct = 0;
  411. // 分站时间,4字节
  412. uint32_t site_time_stamp = 0;
  413. // 大小分站所属关系,1字节
  414. uint8_t reverse = 0;
  415. // 状态字节,1字节,包括3部分:供电状态,设备类型,保留
  416. uint8_t power = 0;
  417. struct tm site_tm={0};
  418. s>>site_id>>site_ct>>site_time_stamp>>reverse>>power;
  419. time_t _sts = site_time_stamp;
  420. localtime_r(&_sts, &site_tm);
  421. const auto &site_ptr = sit_list::instance()->get(static_cast<int32_t>(site_id));
  422. if(!site_ptr)
  423. {
  424. logn_error(1,"未定义分站:net=%s, site=%d", clt->name().c_str(), site_id);
  425. return -1;
  426. }
  427. // pdoa分站不检查天线是否相等
  428. /*if(site_ptr->is_abnormal_site())
  429. {
  430. logn_error(1,"分站[%d]天线异常", site_id);
  431. return -1;
  432. }*/
  433. //site_ptr->m_device_type_id = (power>>3)&0x07;
  434. site_ptr->m_net_device_status = (((power>>3)&0x07) == 0 ? 0: 1);
  435. /*if(!check_message_time(clt, site_ptr, &site_tm, site_ct, power)){
  436. // 分站时间异常,直接校时
  437. //switch(site_ptr->m_device_type_id)
  438. switch(site_ptr->m_net_device_status)
  439. {
  440. case 0:
  441. can_cali_time(clt, site_id);
  442. break;
  443. case 1:
  444. net_cali_time(clt);
  445. break;
  446. default:
  447. net_cali_time(clt);
  448. break;
  449. }
  450. return -1;
  451. }*/
  452. if(clt->type()!=2){
  453. site_ptr->set_client(clt);
  454. site_ptr->on_power_status((power&1)==0);
  455. }
  456. uint64_t tt = site_time_stamp;
  457. tt *= 1000;
  458. logn_info(1,"分站数据:site_id=%d, site_ct=%d, time_t=%llu, time=%s, power=%d, device_type=%d, is_net=%d", site_id, site_ct, tt, tool_time::to_str_ex(tt).c_str(), power, site_ptr->m_device_type_id, site_ptr->m_net_device_status);
  459. return site_id;
  460. }
  461. void net_service::net_cali_time(const std::shared_ptr<client>& clt)
  462. {
  463. // 从第一个字节开始,分别表示毫秒(2字节)、秒、分、时、天、月、年
  464. unsigned char buf[20]={0,13,0x78,0x3b};
  465. struct timeval tv;
  466. gettimeofday(&tv,0);
  467. struct tm buff={0};
  468. const struct tm*t=localtime_r(&tv.tv_sec,&buff);
  469. int p=4;
  470. buf[p++]=(tv.tv_usec/1000)&0xFF;
  471. buf[p++]=((tv.tv_usec/1000)>>8)&0xFF;
  472. buf[p++]=t->tm_sec+1; // 由于硬件扫描方式会慢1秒,给补偿1秒
  473. buf[p++]=t->tm_min;
  474. buf[p++]=t->tm_hour;
  475. buf[p++]=t->tm_mday;
  476. buf[p++]=t->tm_wday;
  477. buf[p++]=t->tm_mon+1;
  478. buf[p++]=t->tm_year%100;
  479. uint16_t ccrc=do_crc(buf+2,11);
  480. buf[p++]=ccrc>>8;
  481. buf[p++]=ccrc&0xff;
  482. std::vector<char> tmp((char*)buf,(char*)buf+15);
  483. clt->send(std::move(tmp));
  484. logn_info(1,"分站时间同步:ip=%s,time=%d-%02d-%02d %02d:%02d:%02d.%03d",
  485. clt->name().c_str(),buf[12]+2000,buf[11],buf[9],buf[8],buf[7],buf[6],buf[5]*256+buf[4]);
  486. }
  487. void net_service::can_cali_time(const std::shared_ptr<client>& clt, const int& reader_id)
  488. {
  489. unsigned char buf[30]={0,17,0x78,0x4b};
  490. struct timeval tv;
  491. gettimeofday(&tv,0);
  492. struct tm buff = {0};
  493. const struct tm *t = localtime_r(&tv.tv_sec,&buff);
  494. int p=4;
  495. for(int i = sizeof(uint32_t) - 1; i >= 0; --i)
  496. {
  497. buf[p++] = ((reader_id>>(i*8))&0xFF);
  498. }
  499. buf[p++]=(tv.tv_usec/1000)&0xFF;
  500. buf[p++]=((tv.tv_usec/1000)>>8)&0xFF;
  501. buf[p++]=t->tm_sec;
  502. buf[p++]=t->tm_min;
  503. buf[p++]=t->tm_hour;
  504. buf[p++]=t->tm_mday;
  505. buf[p++]=t->tm_wday;
  506. buf[p++]=t->tm_mon+1;
  507. buf[p++]=t->tm_year%100;
  508. uint16_t ccrc=do_crc(buf+2,15);
  509. buf[p++]=ccrc>>8;
  510. buf[p++]=ccrc&0xff;
  511. std::vector<char> tmp((char*)buf,(char*)buf+19);
  512. clt->send(std::move(tmp));
  513. logn_info(1,"分站时间同步:site_id=%d, ip=%s, p=%d, time=%d-%02d-%02d %02d:%02d:%02d.%03d",
  514. reader_id, clt->name().c_str(), p, buf[16]+2000, buf[15], buf[13], buf[12], buf[11], buf[10], buf[9]*256+buf[8]);
  515. }