diff options
Diffstat (limited to 'examples/redis-unstable/deps/hiredis/adapters/libuv.h')
| -rw-r--r-- | examples/redis-unstable/deps/hiredis/adapters/libuv.h | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/examples/redis-unstable/deps/hiredis/adapters/libuv.h b/examples/redis-unstable/deps/hiredis/adapters/libuv.h deleted file mode 100644 index 268edab..0000000 --- a/examples/redis-unstable/deps/hiredis/adapters/libuv.h +++ /dev/null | |||
| @@ -1,171 +0,0 @@ | |||
| 1 | #ifndef __HIREDIS_LIBUV_H__ | ||
| 2 | #define __HIREDIS_LIBUV_H__ | ||
| 3 | #include <stdlib.h> | ||
| 4 | #include <uv.h> | ||
| 5 | #include "../hiredis.h" | ||
| 6 | #include "../async.h" | ||
| 7 | #include <string.h> | ||
| 8 | |||
| 9 | typedef struct redisLibuvEvents { | ||
| 10 | redisAsyncContext* context; | ||
| 11 | uv_poll_t handle; | ||
| 12 | uv_timer_t timer; | ||
| 13 | int events; | ||
| 14 | } redisLibuvEvents; | ||
| 15 | |||
| 16 | |||
| 17 | static void redisLibuvPoll(uv_poll_t* handle, int status, int events) { | ||
| 18 | redisLibuvEvents* p = (redisLibuvEvents*)handle->data; | ||
| 19 | int ev = (status ? p->events : events); | ||
| 20 | |||
| 21 | if (p->context != NULL && (ev & UV_READABLE)) { | ||
| 22 | redisAsyncHandleRead(p->context); | ||
| 23 | } | ||
| 24 | if (p->context != NULL && (ev & UV_WRITABLE)) { | ||
| 25 | redisAsyncHandleWrite(p->context); | ||
| 26 | } | ||
| 27 | } | ||
| 28 | |||
| 29 | |||
| 30 | static void redisLibuvAddRead(void *privdata) { | ||
| 31 | redisLibuvEvents* p = (redisLibuvEvents*)privdata; | ||
| 32 | |||
| 33 | if (p->events & UV_READABLE) { | ||
| 34 | return; | ||
| 35 | } | ||
| 36 | |||
| 37 | p->events |= UV_READABLE; | ||
| 38 | |||
| 39 | uv_poll_start(&p->handle, p->events, redisLibuvPoll); | ||
| 40 | } | ||
| 41 | |||
| 42 | |||
| 43 | static void redisLibuvDelRead(void *privdata) { | ||
| 44 | redisLibuvEvents* p = (redisLibuvEvents*)privdata; | ||
| 45 | |||
| 46 | p->events &= ~UV_READABLE; | ||
| 47 | |||
| 48 | if (p->events) { | ||
| 49 | uv_poll_start(&p->handle, p->events, redisLibuvPoll); | ||
| 50 | } else { | ||
| 51 | uv_poll_stop(&p->handle); | ||
| 52 | } | ||
| 53 | } | ||
| 54 | |||
| 55 | |||
| 56 | static void redisLibuvAddWrite(void *privdata) { | ||
| 57 | redisLibuvEvents* p = (redisLibuvEvents*)privdata; | ||
| 58 | |||
| 59 | if (p->events & UV_WRITABLE) { | ||
| 60 | return; | ||
| 61 | } | ||
| 62 | |||
| 63 | p->events |= UV_WRITABLE; | ||
| 64 | |||
| 65 | uv_poll_start(&p->handle, p->events, redisLibuvPoll); | ||
| 66 | } | ||
| 67 | |||
| 68 | |||
| 69 | static void redisLibuvDelWrite(void *privdata) { | ||
| 70 | redisLibuvEvents* p = (redisLibuvEvents*)privdata; | ||
| 71 | |||
| 72 | p->events &= ~UV_WRITABLE; | ||
| 73 | |||
| 74 | if (p->events) { | ||
| 75 | uv_poll_start(&p->handle, p->events, redisLibuvPoll); | ||
| 76 | } else { | ||
| 77 | uv_poll_stop(&p->handle); | ||
| 78 | } | ||
| 79 | } | ||
| 80 | |||
| 81 | static void on_timer_close(uv_handle_t *handle) { | ||
| 82 | redisLibuvEvents* p = (redisLibuvEvents*)handle->data; | ||
| 83 | p->timer.data = NULL; | ||
| 84 | if (!p->handle.data) { | ||
| 85 | // both timer and handle are closed | ||
| 86 | hi_free(p); | ||
| 87 | } | ||
| 88 | // else, wait for `on_handle_close` | ||
| 89 | } | ||
| 90 | |||
| 91 | static void on_handle_close(uv_handle_t *handle) { | ||
| 92 | redisLibuvEvents* p = (redisLibuvEvents*)handle->data; | ||
| 93 | p->handle.data = NULL; | ||
| 94 | if (!p->timer.data) { | ||
| 95 | // timer never started, or timer already destroyed | ||
| 96 | hi_free(p); | ||
| 97 | } | ||
| 98 | // else, wait for `on_timer_close` | ||
| 99 | } | ||
| 100 | |||
| 101 | // libuv removed `status` parameter since v0.11.23 | ||
| 102 | // see: https://github.com/libuv/libuv/blob/v0.11.23/include/uv.h | ||
| 103 | #if (UV_VERSION_MAJOR == 0 && UV_VERSION_MINOR < 11) || \ | ||
| 104 | (UV_VERSION_MAJOR == 0 && UV_VERSION_MINOR == 11 && UV_VERSION_PATCH < 23) | ||
| 105 | static void redisLibuvTimeout(uv_timer_t *timer, int status) { | ||
| 106 | (void)status; // unused | ||
| 107 | #else | ||
| 108 | static void redisLibuvTimeout(uv_timer_t *timer) { | ||
| 109 | #endif | ||
| 110 | redisLibuvEvents *e = (redisLibuvEvents*)timer->data; | ||
| 111 | redisAsyncHandleTimeout(e->context); | ||
| 112 | } | ||
| 113 | |||
| 114 | static void redisLibuvSetTimeout(void *privdata, struct timeval tv) { | ||
| 115 | redisLibuvEvents* p = (redisLibuvEvents*)privdata; | ||
| 116 | |||
| 117 | uint64_t millsec = tv.tv_sec * 1000 + tv.tv_usec / 1000.0; | ||
| 118 | if (!p->timer.data) { | ||
| 119 | // timer is uninitialized | ||
| 120 | if (uv_timer_init(p->handle.loop, &p->timer) != 0) { | ||
| 121 | return; | ||
| 122 | } | ||
| 123 | p->timer.data = p; | ||
| 124 | } | ||
| 125 | // updates the timeout if the timer has already started | ||
| 126 | // or start the timer | ||
| 127 | uv_timer_start(&p->timer, redisLibuvTimeout, millsec, 0); | ||
| 128 | } | ||
| 129 | |||
| 130 | static void redisLibuvCleanup(void *privdata) { | ||
| 131 | redisLibuvEvents* p = (redisLibuvEvents*)privdata; | ||
| 132 | |||
| 133 | p->context = NULL; // indicate that context might no longer exist | ||
| 134 | if (p->timer.data) { | ||
| 135 | uv_close((uv_handle_t*)&p->timer, on_timer_close); | ||
| 136 | } | ||
| 137 | uv_close((uv_handle_t*)&p->handle, on_handle_close); | ||
| 138 | } | ||
| 139 | |||
| 140 | |||
| 141 | static int redisLibuvAttach(redisAsyncContext* ac, uv_loop_t* loop) { | ||
| 142 | redisContext *c = &(ac->c); | ||
| 143 | |||
| 144 | if (ac->ev.data != NULL) { | ||
| 145 | return REDIS_ERR; | ||
| 146 | } | ||
| 147 | |||
| 148 | ac->ev.addRead = redisLibuvAddRead; | ||
| 149 | ac->ev.delRead = redisLibuvDelRead; | ||
| 150 | ac->ev.addWrite = redisLibuvAddWrite; | ||
| 151 | ac->ev.delWrite = redisLibuvDelWrite; | ||
| 152 | ac->ev.cleanup = redisLibuvCleanup; | ||
| 153 | ac->ev.scheduleTimer = redisLibuvSetTimeout; | ||
| 154 | |||
| 155 | redisLibuvEvents* p = (redisLibuvEvents*)hi_malloc(sizeof(*p)); | ||
| 156 | if (p == NULL) | ||
| 157 | return REDIS_ERR; | ||
| 158 | |||
| 159 | memset(p, 0, sizeof(*p)); | ||
| 160 | |||
| 161 | if (uv_poll_init_socket(loop, &p->handle, c->fd) != 0) { | ||
| 162 | return REDIS_ERR; | ||
| 163 | } | ||
| 164 | |||
| 165 | ac->ev.data = p; | ||
| 166 | p->handle.data = p; | ||
| 167 | p->context = ac; | ||
| 168 | |||
| 169 | return REDIS_OK; | ||
| 170 | } | ||
| 171 | #endif | ||
