diff options
Diffstat (limited to 'fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/assembly-script/wamr_app_lib/timer.ts')
-rw-r--r-- | fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/assembly-script/wamr_app_lib/timer.ts | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/assembly-script/wamr_app_lib/timer.ts b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/assembly-script/wamr_app_lib/timer.ts new file mode 100644 index 000000000..ea8363e8c --- /dev/null +++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/assembly-script/wamr_app_lib/timer.ts @@ -0,0 +1,80 @@ +/* + * Copyright (C) 2019 Intel Corporation. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception + */ + +@external("env", "wasm_create_timer") +declare function wasm_create_timer(a: i32, b: bool, c: bool): i32; + +@external("env", "wasm_timer_cancel") +declare function wasm_timer_cancel(a: i32): void; + +@external("env", "wasm_timer_restart") +declare function wasm_timer_restart(a: i32, b: i32): void; + +@external("env", "wasm_get_sys_tick_ms") +declare function wasm_get_sys_tick_ms(): i32; + +export var timer_list = new Array<user_timer>(); + +export class user_timer { + timer_id: i32 = 0; + timeout: i32; + period: bool = false; + cb: () => void; + + constructor(cb: () => void, timeout: i32, period: bool) { + this.cb = cb; + this.timeout = timeout; + this.period = period + this.timer_id = timer_create(this.timeout, this.period, true); + } +} + +export function timer_create(a: i32, b: bool, c: bool): i32 { + return wasm_create_timer(a, b, c); +} + +export function setTimeout(cb: () => void, timeout: i32): user_timer { + var timer = new user_timer(cb, timeout, false); + timer_list.push(timer); + + return timer; +} + +export function setInterval(cb: () => void, timeout: i32): user_timer { + var timer = new user_timer(cb, timeout, true); + timer_list.push(timer); + + return timer; +} + +export function timer_cancel(timer: user_timer): void { + wasm_timer_cancel(timer.timer_id); + + var i = 0; + for (i = 0; i < timer_list.length; i++) { + if (timer_list[i].timer_id == timer.timer_id) + break; + } + + timer_list.splice(i, 1); +} + +export function timer_restart(timer: user_timer, interval: number): void { + wasm_timer_restart(timer.timer_id, i32(interval)); +} + +export function now(): i32 { + return wasm_get_sys_tick_ms(); +} + +// This export function need to be copied to the top application file +// +export function on_timer_callback(on_timer_id: i32): void { + for (let i = 0; i < timer_list.length; i++) { + if (timer_list[i].timer_id == on_timer_id) { + timer_list[i].cb(); + } + } +}
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