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94 lines
2.2 KiB
94 lines
2.2 KiB
#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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#ifdef _WIN32 |
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#define PIPENAME "\\\\?\\pipe\\echo.sock" |
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#else |
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#define PIPENAME "/tmp/echo.sock" |
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#endif |
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uv_loop_t *loop; |
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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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} write_req_t; |
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void free_write_req(uv_write_t *req) { |
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write_req_t *wr = (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 alloc_buffer(uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf) { |
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buf->base = malloc(suggested_size); |
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buf->len = suggested_size; |
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} |
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void echo_write(uv_write_t *req, int status) { |
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if (status < 0) { |
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fprintf(stderr, "Write error %s\n", uv_err_name(status)); |
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} |
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free_write_req(req); |
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} |
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void echo_read(uv_stream_t *client, ssize_t nread, const uv_buf_t *buf) { |
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if (nread > 0) { |
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write_req_t *req = (write_req_t*) malloc(sizeof(write_req_t)); |
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req->buf = uv_buf_init(buf->base, nread); |
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uv_write((uv_write_t*) req, client, &req->buf, 1, echo_write); |
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return; |
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} |
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if (nread < 0) { |
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if (nread != UV_EOF) |
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fprintf(stderr, "Read error %s\n", uv_err_name(nread)); |
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uv_close((uv_handle_t*) client, NULL); |
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} |
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free(buf->base); |
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} |
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void on_new_connection(uv_stream_t *server, int status) { |
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if (status == -1) { |
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// error! |
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return; |
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} |
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uv_pipe_t *client = (uv_pipe_t*) malloc(sizeof(uv_pipe_t)); |
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uv_pipe_init(loop, client, 0); |
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if (uv_accept(server, (uv_stream_t*) client) == 0) { |
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uv_read_start((uv_stream_t*) client, alloc_buffer, echo_read); |
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} |
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else { |
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uv_close((uv_handle_t*) client, NULL); |
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} |
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} |
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void remove_sock(int sig) { |
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uv_fs_t req; |
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uv_fs_unlink(loop, &req, PIPENAME, NULL); |
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exit(0); |
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} |
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int main() { |
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loop = uv_default_loop(); |
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uv_pipe_t server; |
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uv_pipe_init(loop, &server, 0); |
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signal(SIGINT, remove_sock); |
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int r; |
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if ((r = uv_pipe_bind(&server, PIPENAME))) { |
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fprintf(stderr, "Bind error %s\n", uv_err_name(r)); |
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return 1; |
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} |
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if ((r = uv_listen((uv_stream_t*) &server, 128, on_new_connection))) { |
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fprintf(stderr, "Listen error %s\n", uv_err_name(r)); |
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return 2; |
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} |
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return uv_run(loop, UV_RUN_DEFAULT); |
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}
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