From 85f4741fcf642f52ac4fa56f0aff1728727c901b Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Fri, 7 Oct 2016 14:14:08 +0200 Subject: Remove libuv library (nw) --- 3rdparty/libuv/test/dns-server.c | 340 --------------------------------------- 1 file changed, 340 deletions(-) delete mode 100644 3rdparty/libuv/test/dns-server.c (limited to '3rdparty/libuv/test/dns-server.c') diff --git a/3rdparty/libuv/test/dns-server.c b/3rdparty/libuv/test/dns-server.c deleted file mode 100644 index 80052c70398..00000000000 --- a/3rdparty/libuv/test/dns-server.c +++ /dev/null @@ -1,340 +0,0 @@ -/* Copyright Joyent, Inc. and other Node contributors. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ - -#include "uv.h" -#include "task.h" -#include -#include -#include - - -typedef struct { - uv_write_t req; - uv_buf_t buf; -} write_req_t; - - -/* used to track multiple DNS requests received */ -typedef struct { - char* prevbuf_ptr; - int prevbuf_pos; - int prevbuf_rem; -} dnsstate; - - -/* modify handle to append dnsstate */ -typedef struct { - uv_tcp_t handle; - dnsstate state; -} dnshandle; - - -static uv_loop_t* loop; - - -static uv_tcp_t server; - - -static void after_write(uv_write_t* req, int status); -static void after_read(uv_stream_t*, ssize_t nread, const uv_buf_t* buf); -static void on_close(uv_handle_t* peer); -static void on_connection(uv_stream_t*, int status); - -#define WRITE_BUF_LEN (64*1024) -#define DNSREC_LEN (4) - -#define LEN_OFFSET 0 -#define QUERYID_OFFSET 2 - -static unsigned char DNSRsp[] = { - 0, 43, 0, 0, 0x81, 0x80, 0, 1, 0, 1, 0, 0, 0, 0 -}; - -static unsigned char qrecord[] = { - 5, 'e', 'c', 'h', 'o', 's', 3, 's', 'r', 'v', 0, 0, 1, 0, 1 -}; - -static unsigned char arecord[] = { - 0xc0, 0x0c, 0, 1, 0, 1, 0, 0, 5, 0xbd, 0, 4, 10, 0, 1, 1 -}; - - -static void after_write(uv_write_t* req, int status) { - write_req_t* wr; - - if (status) { - fprintf(stderr, "uv_write error: %s\n", uv_strerror(status)); - ASSERT(0); - } - - wr = (write_req_t*) req; - - /* Free the read/write buffer and the request */ - free(wr->buf.base); - free(wr); -} - - -static void after_shutdown(uv_shutdown_t* req, int status) { - uv_close((uv_handle_t*) req->handle, on_close); - free(req); -} - - -static void addrsp(write_req_t* wr, char* hdr) { - char * dnsrsp; - short int rsplen; - short int* reclen; - - rsplen = sizeof(DNSRsp) + sizeof(qrecord) + sizeof(arecord); - - ASSERT (rsplen + wr->buf.len < WRITE_BUF_LEN); - - dnsrsp = wr->buf.base + wr->buf.len; - - /* copy stock response */ - memcpy(dnsrsp, DNSRsp, sizeof(DNSRsp)); - memcpy(dnsrsp + sizeof(DNSRsp), qrecord, sizeof(qrecord)); - memcpy(dnsrsp + sizeof(DNSRsp) + sizeof(qrecord), arecord, sizeof(arecord)); - - /* overwrite with network order length and id from request header */ - reclen = (short int*)dnsrsp; - *reclen = htons(rsplen-2); - dnsrsp[QUERYID_OFFSET] = hdr[QUERYID_OFFSET]; - dnsrsp[QUERYID_OFFSET+1] = hdr[QUERYID_OFFSET+1]; - - wr->buf.len += rsplen; -} - -static void process_req(uv_stream_t* handle, - ssize_t nread, - const uv_buf_t* buf) { - write_req_t* wr; - dnshandle* dns = (dnshandle*)handle; - char hdrbuf[DNSREC_LEN]; - int hdrbuf_remaining = DNSREC_LEN; - int rec_remaining = 0; - int readbuf_remaining; - char* dnsreq; - char* hdrstart; - int usingprev = 0; - - wr = (write_req_t*) malloc(sizeof *wr); - wr->buf.base = (char*)malloc(WRITE_BUF_LEN); - wr->buf.len = 0; - - if (dns->state.prevbuf_ptr != NULL) { - dnsreq = dns->state.prevbuf_ptr + dns->state.prevbuf_pos; - readbuf_remaining = dns->state.prevbuf_rem; - usingprev = 1; - } else { - dnsreq = buf->base; - readbuf_remaining = nread; - } - hdrstart = dnsreq; - - while (dnsreq != NULL) { - /* something to process */ - while (readbuf_remaining > 0) { - /* something to process in current buffer */ - if (hdrbuf_remaining > 0) { - /* process len and id */ - if (readbuf_remaining < hdrbuf_remaining) { - /* too little to get request header. save for next buffer */ - memcpy(&hdrbuf[DNSREC_LEN - hdrbuf_remaining], - dnsreq, - readbuf_remaining); - hdrbuf_remaining = DNSREC_LEN - readbuf_remaining; - break; - } else { - /* save header */ - memcpy(&hdrbuf[DNSREC_LEN - hdrbuf_remaining], - dnsreq, - hdrbuf_remaining); - dnsreq += hdrbuf_remaining; - readbuf_remaining -= hdrbuf_remaining; - hdrbuf_remaining = 0; - - /* get record length */ - rec_remaining = (unsigned) hdrbuf[0] * 256 + (unsigned) hdrbuf[1]; - rec_remaining -= (DNSREC_LEN - 2); - } - } - - if (rec_remaining <= readbuf_remaining) { - /* prepare reply */ - addrsp(wr, hdrbuf); - - /* move to next record */ - dnsreq += rec_remaining; - hdrstart = dnsreq; - readbuf_remaining -= rec_remaining; - rec_remaining = 0; - hdrbuf_remaining = DNSREC_LEN; - } else { - /* otherwise this buffer is done. */ - rec_remaining -= readbuf_remaining; - break; - } - } - - /* If we had to use bytes from prev buffer, start processing the current - * one. - */ - if (usingprev == 1) { - /* free previous buffer */ - free(dns->state.prevbuf_ptr); - dnsreq = buf->base; - readbuf_remaining = nread; - usingprev = 0; - } else { - dnsreq = NULL; - } - } - - /* send write buffer */ - if (wr->buf.len > 0) { - if (uv_write((uv_write_t*) &wr->req, handle, &wr->buf, 1, after_write)) { - FATAL("uv_write failed"); - } - } - - if (readbuf_remaining > 0) { - /* save start of record position, so we can continue on next read */ - dns->state.prevbuf_ptr = buf->base; - dns->state.prevbuf_pos = hdrstart - buf->base; - dns->state.prevbuf_rem = nread - dns->state.prevbuf_pos; - } else { - /* nothing left in this buffer */ - dns->state.prevbuf_ptr = NULL; - dns->state.prevbuf_pos = 0; - dns->state.prevbuf_rem = 0; - free(buf->base); - } -} - -static void after_read(uv_stream_t* handle, - ssize_t nread, - const uv_buf_t* buf) { - uv_shutdown_t* req; - - if (nread < 0) { - /* Error or EOF */ - ASSERT(nread == UV_EOF); - - if (buf->base) { - free(buf->base); - } - - req = malloc(sizeof *req); - uv_shutdown(req, handle, after_shutdown); - - return; - } - - if (nread == 0) { - /* Everything OK, but nothing read. */ - free(buf->base); - return; - } - /* process requests and send responses */ - process_req(handle, nread, buf); -} - - -static void on_close(uv_handle_t* peer) { - free(peer); -} - - -static void buf_alloc(uv_handle_t* handle, - size_t suggested_size, - uv_buf_t* buf) { - buf->base = malloc(suggested_size); - buf->len = suggested_size; -} - - -static void on_connection(uv_stream_t* server, int status) { - dnshandle* handle; - int r; - - ASSERT(status == 0); - - handle = (dnshandle*) malloc(sizeof *handle); - ASSERT(handle != NULL); - - /* initialize read buffer state */ - handle->state.prevbuf_ptr = 0; - handle->state.prevbuf_pos = 0; - handle->state.prevbuf_rem = 0; - - r = uv_tcp_init(loop, (uv_tcp_t*)handle); - ASSERT(r == 0); - - r = uv_accept(server, (uv_stream_t*)handle); - ASSERT(r == 0); - - r = uv_read_start((uv_stream_t*)handle, buf_alloc, after_read); - ASSERT(r == 0); -} - - -static int dns_start(int port) { - struct sockaddr_in addr; - int r; - - ASSERT(0 == uv_ip4_addr("0.0.0.0", port, &addr)); - - r = uv_tcp_init(loop, &server); - if (r) { - /* TODO: Error codes */ - fprintf(stderr, "Socket creation error\n"); - return 1; - } - - r = uv_tcp_bind(&server, (const struct sockaddr*) &addr, 0); - if (r) { - /* TODO: Error codes */ - fprintf(stderr, "Bind error\n"); - return 1; - } - - r = uv_listen((uv_stream_t*)&server, 128, on_connection); - if (r) { - /* TODO: Error codes */ - fprintf(stderr, "Listen error\n"); - return 1; - } - - return 0; -} - - -HELPER_IMPL(dns_server) { - loop = uv_default_loop(); - - if (dns_start(TEST_PORT_2)) - return 1; - - uv_run(loop, UV_RUN_DEFAULT); - return 0; -} -- cgit v1.2.3-70-g09d2