funscheduler

commit 00c79dcc4c65928c29bd10126cddf375616ff4b9
Author: Jackson G. Kaindume <seestem@protonmail.com>
Date:   Wed, 14 Jul 2021 02:43:42 +0200

Initial commit

Diffstat:
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.gitignore
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3
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A
Cargo.lock
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7
+++++++
A
Cargo.toml
 | 
9
+++++++++
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LICENSE
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5
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README
 | 
29
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src/lib.rs
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56
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src/main.rs
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13
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7 files changed, 122 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,2 @@
+*~
+target
+\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "funscheduler"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "funscheduler"
+authors = ["Jackson G. Kaindume <seestem@protonmail.com>"]
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,4 @@
+.---------------------------------------------------------------.
+|           Written and placed in the public domain by           |
+|        Jackson G. Kaindume<seestem@protonmail.com>  ⧉         |
+'----------------------------------------------------------[2021]+
+\ No newline at end of file
diff --git a/README b/README
@@ -0,0 +1,28 @@
+               ┌─┐┬ ┬┌┐┌┌─┐┌─┐┬ ┬┌─┐┌┬┐┬ ┬┬  ┌─┐┬─┐
+               ├┤ │ ││││└─┐│  ├─┤├┤  │││ ││  ├┤ ├┬┘
+               └  └─┘┘└┘└─┘└─┘┴ ┴└─┘─┴┘└─┘┴─┘└─┘┴└─
+
+----------------------------------------------------------------------
+         Simple time based function execution scheduler
+----------------------------------------------------------------------
+
+use funscheduler::{FunScheduler, Timing};
+
+fn main() {
+  // Execute job every second:
+  FunScheduler::interval(job, Timing::Seconds(1));
+
+  // The rest of the API:
+  // FunScheduler::interval(job, Timing::Minutes(1));
+  // FunScheduler::interval(job, Timing::Hours(1));    
+  // FunScheduler::interval(job, Timing::Days(1));
+
+  // Execute function once after a specified amount of time:
+  // FunScheduler::after(job, Timing::Seconds(1));
+}
+
+fn job() {
+  println!("Hello, world");
+}
+
+----------------------------------------------------------------------
+\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
@@ -0,0 +1,56 @@
+// .---------------------------------------------------------------.
+// |           Written and placed in the public domain by           |
+// |        Jackson G. Kaindume<seestem@protonmail.com>  ⧉         |
+// '----------------------------------------------------------[2021]+
+//! # Time based function execution scheduler
+
+use std::time::Duration;
+
+pub enum Timing {
+    Seconds(u64),
+    Minutes(u64),
+    Hours(u64),
+    Days(u64),
+}
+
+pub struct FunScheduler;
+
+impl FunScheduler {
+    /// Execute a function in specified time intervals, starting now.
+    pub fn interval(job: fn(), timing: Timing) {
+        let time_control = calc_time(timing);
+
+        loop {
+            job();
+            std::thread::sleep(time_control);
+        }
+    }
+
+    /// Execute function once after a specified amount of time
+    pub fn after(job: fn(), timing: Timing) {
+        let time_control = calc_time(timing);
+        std::thread::sleep(time_control);
+        job();
+    }
+}
+
+pub fn calc_time(timing: Timing) -> Duration {
+    let final_seconds;
+    match timing {
+        Timing::Seconds(seconds) => final_seconds = Duration::from_secs(seconds),
+        Timing::Minutes(minutes) => {
+            let seconds = minutes * 60;
+            final_seconds = Duration::from_secs(seconds);
+        }
+        Timing::Hours(hours) => {
+            let seconds = hours * 3600;
+            final_seconds = Duration::from_secs(seconds);
+        }
+        Timing::Days(days) => {
+            let seconds = days * 86_400;
+            final_seconds = Duration::from_secs(seconds);
+        }
+    }
+
+    final_seconds
+}
diff --git a/src/main.rs b/src/main.rs
@@ -0,0 +1,13 @@
+use funscheduler::{FunScheduler, Timing};
+
+fn main() {
+    // Execute job every second
+    //FunScheduler::interval(job, Timing::Seconds(1));
+
+    // Execute job once after 5 seconds
+    FunScheduler::after(job, Timing::Seconds(5));
+}
+
+fn job() {
+    println!("Hello, world");
+}