修复log记录错误（第一个节点无法落盘），更新http解析为现成库实现，优化退出逻辑。

c/tools/log/log.c

@@ -87,19 +87,20 @@ int cleanup(log_manager *self)
     loc = self->log;
     self->log = NULL;
     self->count = 0;//摘取log链
+
     sem_post(&self->log_sem);
     //释放信号量
+    int fd = open("log.txt",O_CREAT | O_WRONLY | O_APPEND, 0777);
     while(loc->next !=NULL)
     {
         tobeclean = loc;
         loc = loc->next;
-        int fd = open("log.txt",O_CREAT | O_WRONLY | O_APPEND, 0777);
         if(fd == -1)
             perror("file:");
-        write(fd,loc->log,strlen(loc->log));
-        close(fd);
+        write(fd,tobeclean->log,strlen(tobeclean->log));
         free(tobeclean);
     }
+    close(fd);
     free(loc);
 }