349 lines
12 KiB
C++
349 lines
12 KiB
C++
|
#include <stdio.h>
|
|||
|
|
#include <stdlib.h>
|
|||
|
|
#include <string.h>
|
|||
|
|
#include <unistd.h>
|
|||
|
|
#include <fcntl.h>
|
|||
|
|
#include <termios.h>
|
|||
|
|
#include <iostream>
|
|||
|
|
#include <fstream>
|
|||
|
|
#include <cstring>
|
|||
|
|
#include <vector>
|
|||
|
|
#include <iomanip>
|
|||
|
|
#include <sys/types.h>
|
|||
|
|
#include <sys/stat.h>
|
|||
|
|
#include <sstream>
|
|||
|
|
|
|||
|
|
|
|||
|
|
#include "mongoose.h"
|
|||
|
|
#include <semaphore.h>
|
|||
|
|
#include <time.h>
|
|||
|
|
|
|||
|
|
#define SERIAL_PORT "/dev/ttyS0"
|
|||
|
|
#define BAUD_RATE B115200
|
|||
|
|
#define FILE_PWD "/etc/DeviceID"
|
|||
|
|
|
|||
|
|
char hexData[1024];
|
|||
|
|
|
|||
|
|
int get_return(int serialPort)
|
|||
|
|
{
|
|||
|
|
usleep(10000);
|
|||
|
|
ssize_t size;
|
|||
|
|
unsigned char ch;
|
|||
|
|
char buffer[1024];
|
|||
|
|
hexData[1024]={0};
|
|||
|
|
|
|||
|
|
size = read(serialPort, buffer, sizeof(buffer));
|
|||
|
|
if (size > 0){
|
|||
|
|
std::vector<unsigned char> byteArray;
|
|||
|
|
int i;
|
|||
|
|
for (i = 0; i < size; i++) {
|
|||
|
|
snprintf(&hexData[i * 2], sizeof(hexData) - i * 2, "%02X", buffer[i]);
|
|||
|
|
byteArray.push_back(static_cast<unsigned char>(buffer[i]));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
printf("Received result: %s\n", hexData);
|
|||
|
|
for (unsigned char c : byteArray) {
|
|||
|
|
std::cout << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(c) << " ";
|
|||
|
|
}
|
|||
|
|
std::cout << std::endl;
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}else{
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 用于处理GET请求的事件处理函数
|
|||
|
|
static void get_handler_10000(struct mg_connection *nc, int ev, void *ev_data) {
|
|||
|
|
if (ev == MG_EV_HTTP_REQUEST) {
|
|||
|
|
struct http_message *hm = (struct http_message *) ev_data;
|
|||
|
|
|
|||
|
|
// 检查HTTP请求方法是否为POST
|
|||
|
|
if (mg_vcmp(&hm->method, "GET") == 0) {
|
|||
|
|
// 解析POST请求的参数
|
|||
|
|
struct mg_str param_str = hm->query_string;
|
|||
|
|
// printf("param: %.*s\n", (int) hm->query_string.len, hm->query_string.p);
|
|||
|
|
|
|||
|
|
char value_buf[256];
|
|||
|
|
int result = mg_get_http_var(¶m_str, "DeviceID", value_buf, sizeof(value_buf));
|
|||
|
|
if (result > 0) {
|
|||
|
|
// 参数找到并存储在 value_buf 中
|
|||
|
|
printf("DeviceID: %.*s\n", result, value_buf);
|
|||
|
|
std::string data = value_buf;
|
|||
|
|
FILE *file = fopen(FILE_PWD, "wb"); // 使用二进制模式打开文件
|
|||
|
|
|
|||
|
|
// 检查文件是否成功打开
|
|||
|
|
if (file) {
|
|||
|
|
// 将数据写入文件
|
|||
|
|
size_t bytes_written = fwrite(value_buf, 1, strlen(value_buf), file);
|
|||
|
|
|
|||
|
|
// 检查写入是否成功
|
|||
|
|
if (bytes_written == data.length()) {
|
|||
|
|
printf("Data written to %s successfully.\n", FILE_PWD);
|
|||
|
|
} else {
|
|||
|
|
printf("Error writing data to %s.\n", FILE_PWD);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 关闭文件
|
|||
|
|
fclose(file);
|
|||
|
|
} else {
|
|||
|
|
printf("Error opening file %s for writing.\n", FILE_PWD);
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
// 参数未找到
|
|||
|
|
mg_http_send_error(nc, 405, "Parameter Not Allowed");
|
|||
|
|
printf("Parameter not found\n");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// // 提取POST请求的数据
|
|||
|
|
// char post_data[1024]; // 假设数据大小不超过 1024 字节
|
|||
|
|
// memcpy(post_data, hm->body.p, hm->body.len);
|
|||
|
|
// post_data[hm->body.len] = '\0'; // 添加字符串结束符
|
|||
|
|
// // 处理POST请求数据，这里可以根据需要进行处理
|
|||
|
|
// printf("Received POST data: %s\n", post_data);
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
// 发送HTTP响应
|
|||
|
|
mg_printf(nc, "HTTP/1.1 200 OK\r\n"
|
|||
|
|
"Content-Type: text/plain\r\n"
|
|||
|
|
"Content-Length: %d\r\n\r\n"
|
|||
|
|
"POST data received and processed\r\n",
|
|||
|
|
(int) strlen("POST data received and processed"));
|
|||
|
|
|
|||
|
|
nc->flags |= MG_F_SEND_AND_CLOSE; // 关闭连接
|
|||
|
|
} else {
|
|||
|
|
// 如果不是POST请求，可以返回错误响应
|
|||
|
|
mg_http_send_error(nc, 405, "Method Not Allowed");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 用于处理GET请求的事件处理函数 气压计
|
|||
|
|
static void get_handler_11000(struct mg_connection *nc, int ev, void *ev_data) {
|
|||
|
|
if (ev == MG_EV_HTTP_REQUEST) {
|
|||
|
|
sem_t *my_semaphore = sem_open("/my_semaphore", O_CREAT, 0644, 1);
|
|||
|
|
|
|||
|
|
struct timespec abs_timeout;
|
|||
|
|
clock_gettime(CLOCK_REALTIME, &abs_timeout);
|
|||
|
|
abs_timeout.tv_sec += 5; // 增加 5 秒的超时时间
|
|||
|
|
|
|||
|
|
int serialPort = open(SERIAL_PORT, O_RDWR | O_NOCTTY | O_NDELAY);
|
|||
|
|
if (serialPort == -1) {
|
|||
|
|
printf("Failed to open serial port: %s\n", SERIAL_PORT);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
struct termios tty;
|
|||
|
|
memset(&tty, 0, sizeof(tty));
|
|||
|
|
if (tcgetattr(serialPort, &tty) != 0) {
|
|||
|
|
printf("Failed to get serial port attributes\n");
|
|||
|
|
close(serialPort);
|
|||
|
|
}
|
|||
|
|
cfsetospeed(&tty, BAUD_RATE);
|
|||
|
|
cfsetispeed(&tty, BAUD_RATE);
|
|||
|
|
tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS8;
|
|||
|
|
tty.c_cflag &= ~(PARENB | PARODD);
|
|||
|
|
tty.c_cflag &= ~CSTOPB;
|
|||
|
|
tty.c_cflag |= CREAD | CLOCAL;
|
|||
|
|
tty.c_iflag = IGNPAR;
|
|||
|
|
tty.c_oflag = 0;
|
|||
|
|
tty.c_lflag = 0;
|
|||
|
|
if (tcsetattr(serialPort, TCSANOW, &tty) != 0) {
|
|||
|
|
printf("Failed to set serial port attributes\n");
|
|||
|
|
close(serialPort);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
char buffer[300];
|
|||
|
|
ssize_t bytesRead;
|
|||
|
|
|
|||
|
|
|
|||
|
|
struct http_message *hm = (struct http_message *) ev_data;
|
|||
|
|
|
|||
|
|
// 检查HTTP请求方法是否为POST
|
|||
|
|
if (mg_vcmp(&hm->method, "GET") == 0) {
|
|||
|
|
// 解析POST请求的参数
|
|||
|
|
struct mg_str param_str = hm->query_string;
|
|||
|
|
// printf("param: %.*s\n", (int) hm->query_string.len, hm->query_string.p);
|
|||
|
|
|
|||
|
|
char value_buf[256];
|
|||
|
|
int result = mg_get_http_var(¶m_str, "barometer", value_buf, sizeof(value_buf));
|
|||
|
|
if (result > 0) {
|
|||
|
|
// 参数找到并存储在 value_buf 中
|
|||
|
|
printf("barometer: %.*s\n", result, value_buf);
|
|||
|
|
} else {
|
|||
|
|
// 参数未找到
|
|||
|
|
mg_http_send_error(nc, 405, "Parameter Not Allowed");
|
|||
|
|
printf("Parameter not found\n");
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 转换成16进制
|
|||
|
|
std::string hex_string = value_buf;
|
|||
|
|
|
|||
|
|
std::vector<unsigned char> response;
|
|||
|
|
|
|||
|
|
// 使用std::stringstream来解析整个16进制字符串
|
|||
|
|
std::stringstream ss(hex_string);
|
|||
|
|
for (int i = 0; i < hex_string.length(); i += 2){
|
|||
|
|
char byte_str[3]; // 两个字符表示一个字节
|
|||
|
|
ss.read(byte_str, 2);
|
|||
|
|
byte_str[2] = '\0'; // 添加字符串终止符
|
|||
|
|
unsigned int byte;
|
|||
|
|
std::stringstream(byte_str) >> std::hex >> byte;
|
|||
|
|
response.push_back(static_cast<unsigned char>(byte));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 打印转换后的结果
|
|||
|
|
std::cout << "转换后的结果：" << std::endl;
|
|||
|
|
for (const auto &byte : response) {
|
|||
|
|
std::cout << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(byte) << " ";
|
|||
|
|
}
|
|||
|
|
std::cout << std::endl;
|
|||
|
|
|
|||
|
|
if (sem_timedwait(my_semaphore, &abs_timeout) == -1) {
|
|||
|
|
if (errno == ETIMEDOUT) {
|
|||
|
|
// 在这里处理等待超时的情况
|
|||
|
|
printf("等待超时\n");
|
|||
|
|
mg_http_send_error(nc, 406, "写入超时，请稍后再试");
|
|||
|
|
} else {
|
|||
|
|
perror("sem_timedwait");
|
|||
|
|
mg_http_send_error(nc, 407, "未知错误");
|
|||
|
|
}
|
|||
|
|
}else{
|
|||
|
|
write(serialPort, response.data(), response.size());
|
|||
|
|
int read_limit = 0;
|
|||
|
|
int res = -1;
|
|||
|
|
do {
|
|||
|
|
res = get_return(serialPort);
|
|||
|
|
read_limit++;
|
|||
|
|
printf("res: %d i=%d\n",res,read_limit);
|
|||
|
|
} while ((res != 0) && (read_limit < 100));
|
|||
|
|
sem_post(my_semaphore);
|
|||
|
|
// 发送HTTP响应
|
|||
|
|
mg_printf(nc, "HTTP/1.1 200 OK\r\n"
|
|||
|
|
"Content-Type: text/plain\r\n"
|
|||
|
|
"Content-Length: %d\r\n\r\n"
|
|||
|
|
"%s\r\n",
|
|||
|
|
(int) strlen(hexData),hexData);
|
|||
|
|
nc->flags |= MG_F_SEND_AND_CLOSE; // 关闭连接
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
} else {
|
|||
|
|
// 如果不是POST请求，可以返回错误响应
|
|||
|
|
mg_http_send_error(nc, 405, "Method Not Allowed");
|
|||
|
|
}
|
|||
|
|
close(serialPort);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
int main(void) {
|
|||
|
|
struct mg_mgr mgr;
|
|||
|
|
struct mg_connection *nc1,*nc2;
|
|||
|
|
|
|||
|
|
mg_mgr_init(&mgr, NULL);
|
|||
|
|
nc1 = mg_bind(&mgr, "10000", get_handler_10000); // 用于接收设备id
|
|||
|
|
nc2 = mg_bind(&mgr, "11000", get_handler_11000); // 用于接收设备id
|
|||
|
|
|
|||
|
|
// 设置HTTP和WebSocket协议
|
|||
|
|
mg_set_protocol_http_websocket(nc1);
|
|||
|
|
mg_set_protocol_http_websocket(nc2);
|
|||
|
|
|
|||
|
|
printf("Starting web server on port 10000 and 11000\n");
|
|||
|
|
for (;;) {
|
|||
|
|
mg_mgr_poll(&mgr, 1000);
|
|||
|
|
}
|
|||
|
|
mg_mgr_free(&mgr);
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// #include "mongoose.h"
|
|||
|
|
|
|||
|
|
// static void handle_multipart(struct mg_connection *nc, struct http_message *hm) {
|
|||
|
|
// char var_name[256];
|
|||
|
|
// char file_name[256];
|
|||
|
|
// const char *data;
|
|||
|
|
// size_t data_len;
|
|||
|
|
|
|||
|
|
// size_t pos = mg_parse_multipart(
|
|||
|
|
// hm->body.p, hm->body.len, var_name, sizeof(var_name),
|
|||
|
|
// file_name, sizeof(file_name), &data, &data_len
|
|||
|
|
// );
|
|||
|
|
|
|||
|
|
// // 遍历各个部分，处理每个字段的数据
|
|||
|
|
// while (pos > 0) {
|
|||
|
|
// // 在这里处理字段数据
|
|||
|
|
// // printf("File Name: %s\n", file_name);
|
|||
|
|
// printf("Field Name: %s\n", var_name);
|
|||
|
|
// printf("Field Data: %.*s\n", (int) data_len, data);
|
|||
|
|
|
|||
|
|
// FILE *file = fopen(var_name, "wb"); // 使用二进制模式打开文件
|
|||
|
|
|
|||
|
|
// // 检查文件是否成功打开
|
|||
|
|
// if (file) {
|
|||
|
|
// // 将数据写入文件
|
|||
|
|
// size_t bytes_written = fwrite(data, 1, data_len, file);
|
|||
|
|
|
|||
|
|
// // 检查写入是否成功
|
|||
|
|
// if (bytes_written == data_len) {
|
|||
|
|
// printf("Data written to %s successfully.\n", var_name);
|
|||
|
|
// } else {
|
|||
|
|
// printf("Error writing data to %s.\n", var_name);
|
|||
|
|
// }
|
|||
|
|
|
|||
|
|
// // 关闭文件
|
|||
|
|
// fclose(file);
|
|||
|
|
// } else {
|
|||
|
|
// printf("Error opening file %s for writing.\n", var_name);
|
|||
|
|
// }
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
// // 继续解析下一个部分
|
|||
|
|
// pos = mg_parse_multipart(
|
|||
|
|
// hm->body.p + pos, hm->body.len - pos, var_name, sizeof(var_name),
|
|||
|
|
// file_name, sizeof(file_name), &data, &data_len
|
|||
|
|
// );
|
|||
|
|
// }
|
|||
|
|
// }
|
|||
|
|
|
|||
|
|
// static void ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
|
|||
|
|
// if (ev == MG_EV_HTTP_REQUEST) {
|
|||
|
|
// struct http_message *hm = (struct http_message *)ev_data;
|
|||
|
|
|
|||
|
|
// // 检查Content-Type是否为multipart/form-data
|
|||
|
|
// // if (mg_vcmp(&hm->header.content_type, "multipart/form-data") == 0) {
|
|||
|
|
// // 调用处理multipart请求的函数
|
|||
|
|
// handle_multipart(nc, hm);
|
|||
|
|
// // } else {
|
|||
|
|
|
|||
|
|
// // mg_http_send_error(nc, 400, "Bad Request");
|
|||
|
|
// // }
|
|||
|
|
// mg_printf(nc, "HTTP/1.1 200 OK\r\n"
|
|||
|
|
// "Content-Type: text/plain\r\n"
|
|||
|
|
// "Content-Length: %d\r\n\r\n"
|
|||
|
|
// "POST data received and processed\r\n",
|
|||
|
|
// (int) strlen("POST data received and processed"));
|
|||
|
|
|
|||
|
|
// nc->flags |= MG_F_SEND_AND_CLOSE; // 关闭连接
|
|||
|
|
// }
|
|||
|
|
// }
|
|||
|
|
|
|||
|
|
// int main(void) {
|
|||
|
|
// struct mg_mgr mgr;
|
|||
|
|
// struct mg_connection *nc;
|
|||
|
|
|
|||
|
|
// mg_mgr_init(&mgr, NULL);
|
|||
|
|
// nc = mg_bind(&mgr, "8080", ev_handler);
|
|||
|
|
// mg_set_protocol_http_websocket(nc);
|
|||
|
|
|
|||
|
|
// printf("Starting web server on port 8080\n");
|
|||
|
|
// for (;;) {
|
|||
|
|
// mg_mgr_poll(&mgr, 1000);
|
|||
|
|
// }
|
|||
|
|
// mg_mgr_free(&mgr);
|
|||
|
|
|
|||
|
|
// return 0;
|
|||
|
|
// }
|