//
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// Created by YY on 2020/1/20.
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//
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#include <pthread.h>
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#include <cstdlib>
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#include <cstring>
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#include "virtual_rtk.h"
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#include "../jni_log.h"
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#include "../common/net.h"
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#include "../native-lib.h"
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#include "../common/apptimer.h"
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#include "../defs.h"
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#include "parse_gps.h"
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#define DEBUG(fmt, args...) LOGD("<virtual_device> <%s>: " fmt, __func__, ##args)
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#define PARSE_BUFF_SIZE 4096
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struct vSocket {
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char domain_name[32];
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int port;
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} VAddr;
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static bool virtRtkIsValid = false;
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static int connectCnt = 0;
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static void ConnectLater(union sigval sig);
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static void ConnectV(void);
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static void *VDataListenThread(void *p);
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void InitVirtualDevice(const char *domain_name, int port)
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{
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DEBUG("InitVirtualDevice %s: %d", domain_name, port);
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strcpy(VAddr.domain_name, domain_name);
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VAddr.port = port;
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ConnectV();
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}
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bool VirtualIsConnected(void)
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{
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bool temp;
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do {
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temp = virtRtkIsValid;
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} while (temp != virtRtkIsValid);
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return temp;
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}
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static void ConnectLater(union sigval sig) {
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AppTimer_delete(ConnectLater);
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ConnectV();
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}
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static void ConnectV(void)
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{
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pthread_t pid;
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);//detached
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pthread_create(&pid, &attr, VDataListenThread, &VAddr);
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}
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static void *VDataListenThread(void *p) {
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struct vSocket *vs = (struct vSocket *)p;
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uint8_t RxBuf[PARSE_BUFF_SIZE];
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int fds_ret;
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struct timeval tv;
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fd_set rdfds;
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fd_set exfds;
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int fd = -1;
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int RxBufLen = 0;
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connectCnt++;
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fd = ConnectTCP(vs->domain_name, vs->port);
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if (fd > 0) {
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DEBUG("虚拟平台连接成功");
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virtRtkIsValid = true;
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connectCnt = 0;
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PlayTTS("模拟器连接", NULL);
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} else {
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DEBUG("虚拟平台连接失败");
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}
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while (fd > 0) {
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tv.tv_sec = 5;
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tv.tv_usec = 0;
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FD_ZERO(&rdfds); //clean
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FD_SET(fd, &rdfds); //set
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fds_ret = select(fd + 1, &rdfds, NULL, NULL, &tv);
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if (fds_ret < 0) {
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break;
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} else if(fds_ret == 0) {
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//Occur failure(such as line disconnect)
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} else if(FD_ISSET(fd, &rdfds)) {
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int lx = ReadTCP(fd, RxBuf + RxBufLen, sizeof(RxBuf) - RxBufLen);
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if (lx < 0) {
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break;
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} else if (lx > 0) {
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RxBufLen += lx;
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const uint8_t *ptr = parseGPS(RxBuf, RxBuf + RxBufLen);
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if(ptr != RxBuf) {
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memcpy(RxBuf, ptr, RxBufLen - (ptr - RxBuf));
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RxBufLen -= ptr - RxBuf;
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} else if(RxBufLen == PARSE_BUFF_SIZE) { //填满了，且没有一个\r，都抛弃
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DEBUG("Parse GPS error");
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RxBufLen = 0;
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}
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}
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}
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}
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if (fd > 0) {
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DEBUG("虚拟平台断开");
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DisconnectTCP(fd);
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PlayTTS("模拟器断开", NULL);
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}
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virtRtkIsValid = false;
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if (connectCnt < 5) {
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AppTimer_add(ConnectLater, D_SEC(3));
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}
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DEBUG("虚拟平台线程退出");
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pthread_exit(NULL);
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}
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