cpp-nodejs-shared-memory-ipc/example2/cpp-writer/main.cpp at main · 1010code/cpp-nodejs-shared-memory-ipc · GitHub

History

executable file

74 lines (55 loc) · 2.02 KB

Raw

// main.cpp

/**

// 僅寫一次固定數值

#include "shared_memory_writer.h"

#include <iostream>

#include <vector>

int main() {

const std::string name = "/my_shared_memory"; // 共享記憶體名稱

const size_t dataSize = 2; // 要寫入的浮點數數量

// 創建共享記憶體寫入器

SharedMemoryWriter writer(name, dataSize);

// 要寫入的浮點數數據

std::vector<float> data = {1.55f, 2.66f};

// 寫入共享記憶體

if (!writer.writeData(data)) {

std::cerr << "寫入共享記憶體失敗" << std::endl;

return 1;

}

return 0;

}

**/

#include "shared_memory_writer.h"

#include <iostream>

#include <vector>

#include <cstdlib> // 用於 rand() 函數

#include <ctime> // 用於 time() 函數

#include <chrono>

#include <thread>

/**

本程式會每100ms隨機寫dataSize個數值

**/

int main() {

const std::string name = "/my_shared_memory"; // 共享記憶體名稱

const size_t dataSize = 2; // 要寫入的浮點數數量（2 個）

float data[dataSize] = {0.0};

// 創建共享記憶體寫入器

SharedMemoryWriter writer(name, sizeof(data), data);

// 初始化隨機數生成器

std::srand(static_cast<unsigned int>(std::time(nullptr)));

while (true) {

// 產生兩個隨機浮點數

data[0] = static_cast<float>(std::rand()) / (static_cast<float>(RAND_MAX / 100.0f));

data[1] = static_cast<float>(std::rand()) / (static_cast<float>(RAND_MAX / 100.0f));

// 寫入共享記憶體

if (!writer.writeData()) {

std::cerr << "寫入共享記憶體失敗" << std::endl;

return 1;

}

// 輸出已寫入的數據

std::cout << "已寫入隨機浮點數：" << data[0] << ", " << data[1] << std::endl;

// 每隔 100 毫秒執行一次

std::this_thread::sleep_for(std::chrono::milliseconds(100));

}

return 0;

}

cpp-nodejs-shared-memory-ipc/example2/cpp-writer/main.cpp at main · 1010code/cpp-nodejs-shared-memory-ipc · GitHub

Uh oh!

Expand file tree

Breadcrumbs

main.cpp

Latest commit

History

Breadcrumbs

main.cpp

File metadata and controls