59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#include <uv.h>
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#include <iostream>
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#include <cstdlib>
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#include <cstring>
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// 回调函数，用于处理从客户端接收到的数据
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void echo_read(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) {
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if (nread < 0) {
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std::cerr << "Read error: " << uv_strerror(nread) << std::endl;
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uv_close((uv_handle_t*)stream, nullptr);
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free(buf->base);
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return;
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}
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if (nread > 0) {
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// 打印接收到的数据
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std::cout << "Received: " << std::string(buf->base, nread) << std::endl;
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}
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// 释放缓冲区
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free(buf->base);
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}
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// 回调函数，用于处理新的客户端连接
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void on_connection(uv_stream_t* server, int status) {
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if (status < 0) {
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std::cerr << "Connection error: " << uv_strerror(status) << std::endl;
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return;
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}
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uv_tcp_t* client = new uv_tcp_t;
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uv_tcp_init(server->loop, client);
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if (uv_accept(server, (uv_stream_t*)client) == 0) {
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uv_read_start((uv_stream_t*)client, [](uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) {
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buf->base = (char*)malloc(suggested_size);
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buf->len = suggested_size;
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}, echo_read);
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} else {
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uv_close((uv_handle_t*)client, nullptr);
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}
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}
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int main() {
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uv_loop_t* loop = uv_default_loop();
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uv_tcp_t server;
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uv_tcp_init(loop, &server);
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struct sockaddr_in bind_addr;
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uv_ip4_addr("0.0.0.0", 8098, &bind_addr);
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uv_tcp_bind(&server, (const struct sockaddr*)&bind_addr, 0);
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uv_listen((uv_stream_t*)&server, 128, on_connection);
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std::cout << "Server listening on port 8098" << std::endl;
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uv_run(loop, UV_RUN_DEFAULT);
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return 0;
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} |