76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
#define _GNU_SOURCE 1
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "uv.h"
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typedef struct {
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uv_write_t req;
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uv_buf_t buf;
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} uv_write_req_t;
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void alloc_cb(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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}
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void close_cb(uv_handle_t* handle) {
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free(handle);
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}
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void write_cb(uv_write_t* req, int status) {
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uv_write_req_t* wr = (uv_write_req_t*)req;
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free(wr->buf.base);
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free(wr);
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}
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void read_cb(uv_stream_t* stream, ssize_t nread, const uv_buf_t* buf) {
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if (nread <= 0) {
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uv_close((uv_handle_t*)stream, close_cb);
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return;
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}
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uv_write_req_t* wr = (uv_write_req_t*)malloc(sizeof(uv_write_req_t));
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wr->buf.base = buf->base;
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wr->buf.len = nread;
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uv_write(&wr->req, stream, &wr->buf, 1, write_cb);
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}
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void do_accept(uv_stream_t* server, int status) {
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uv_tcp_t* tcp_stream = (uv_tcp_t*)malloc(sizeof(uv_tcp_t));
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uv_tcp_init(server->loop, tcp_stream);
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uv_accept(server, (uv_stream_t*)tcp_stream);
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uv_read_start((uv_stream_t*)tcp_stream, alloc_cb, read_cb);
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}
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int main(int argc, char** argv) {
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if (argc < 2) {
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printf("Usage: cmd port\n");
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return -10;
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}
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int port = atoi(argv[1]);
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uv_loop_t loop;
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uv_loop_init(&loop);
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struct sockaddr_in addr;
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memset(&addr, 0, sizeof(addr));
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//addr.sin_family = AF_INET;
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//addr.sin_port = htons(port);
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uv_ip4_addr("0.0.0.0", port, &addr);
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uv_tcp_t tcp_server;
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uv_tcp_init(&loop, &tcp_server);
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int ret = uv_tcp_bind(&tcp_server, (struct sockaddr*)&addr, 0);
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if (ret) {
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return -20;
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}
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ret = uv_listen((uv_stream_t*)&tcp_server, SOMAXCONN, do_accept);
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if (ret) {
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return -30;
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}
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uv_run(&loop, UV_RUN_DEFAULT);
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return 0;
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}
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