| /* 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 <string.h> |
| |
| #define FIXTURE "testfile" |
| |
| static void timer_cb(uv_timer_t* handle, int status); |
| static void close_cb(uv_handle_t* handle); |
| static void poll_cb(uv_fs_poll_t* handle, |
| int status, |
| const uv_statbuf_t* prev, |
| const uv_statbuf_t* curr); |
| |
| static uv_fs_poll_t poll_handle; |
| static uv_timer_t timer_handle; |
| static uv_loop_t* loop; |
| |
| static int poll_cb_called; |
| static int timer_cb_called; |
| static int close_cb_called; |
| |
| |
| static void touch_file(const char* path) { |
| static int count; |
| FILE* fp; |
| int i; |
| |
| ASSERT((fp = fopen(FIXTURE, "w+"))); |
| |
| /* Need to change the file size because the poller may not pick up |
| * sub-second mtime changes. |
| */ |
| i = ++count; |
| |
| while (i--) |
| fputc('*', fp); |
| |
| fclose(fp); |
| } |
| |
| |
| static void close_cb(uv_handle_t* handle) { |
| close_cb_called++; |
| } |
| |
| |
| static void timer_cb(uv_timer_t* handle, int status) { |
| touch_file(FIXTURE); |
| timer_cb_called++; |
| } |
| |
| |
| static void poll_cb(uv_fs_poll_t* handle, |
| int status, |
| const uv_statbuf_t* prev, |
| const uv_statbuf_t* curr) { |
| uv_statbuf_t zero_statbuf; |
| |
| memset(&zero_statbuf, 0, sizeof(zero_statbuf)); |
| |
| ASSERT(handle == &poll_handle); |
| ASSERT(uv_is_active((uv_handle_t*)handle)); |
| ASSERT(prev != NULL); |
| ASSERT(curr != NULL); |
| |
| switch (poll_cb_called++) { |
| case 0: |
| ASSERT(status == -1); |
| ASSERT(uv_last_error(loop).code == UV_ENOENT); |
| ASSERT(0 == memcmp(prev, &zero_statbuf, sizeof(zero_statbuf))); |
| ASSERT(0 == memcmp(curr, &zero_statbuf, sizeof(zero_statbuf))); |
| touch_file(FIXTURE); |
| break; |
| |
| case 1: |
| ASSERT(status == 0); |
| ASSERT(0 == memcmp(prev, &zero_statbuf, sizeof(zero_statbuf))); |
| ASSERT(0 != memcmp(curr, &zero_statbuf, sizeof(zero_statbuf))); |
| ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, 20, 0)); |
| break; |
| |
| case 2: |
| ASSERT(status == 0); |
| ASSERT(0 != memcmp(prev, &zero_statbuf, sizeof(zero_statbuf))); |
| ASSERT(0 != memcmp(curr, &zero_statbuf, sizeof(zero_statbuf))); |
| ASSERT(0 == uv_timer_start(&timer_handle, timer_cb, 200, 0)); |
| break; |
| |
| case 3: |
| ASSERT(status == 0); |
| ASSERT(0 != memcmp(prev, &zero_statbuf, sizeof(zero_statbuf))); |
| ASSERT(0 != memcmp(curr, &zero_statbuf, sizeof(zero_statbuf))); |
| remove(FIXTURE); |
| break; |
| |
| case 4: |
| ASSERT(status == -1); |
| ASSERT(0 != memcmp(prev, &zero_statbuf, sizeof(zero_statbuf))); |
| ASSERT(0 == memcmp(curr, &zero_statbuf, sizeof(zero_statbuf))); |
| ASSERT(uv_last_error(loop).code == UV_ENOENT); |
| uv_close((uv_handle_t*)handle, close_cb); |
| break; |
| |
| default: |
| ASSERT(0); |
| } |
| } |
| |
| |
| TEST_IMPL(fs_poll) { |
| loop = uv_default_loop(); |
| |
| remove(FIXTURE); |
| |
| ASSERT(0 == uv_timer_init(loop, &timer_handle)); |
| ASSERT(0 == uv_fs_poll_init(loop, &poll_handle)); |
| ASSERT(0 == uv_fs_poll_start(&poll_handle, poll_cb, FIXTURE, 100)); |
| ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT)); |
| |
| ASSERT(poll_cb_called == 5); |
| ASSERT(timer_cb_called == 2); |
| ASSERT(close_cb_called == 1); |
| |
| MAKE_VALGRIND_HAPPY(); |
| return 0; |
| } |