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16 Commits
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bfee652a94
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@ -6,9 +6,9 @@ name: D
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on:
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push:
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branches: [ "master" ]
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branches: [ "**" ]
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pull_request:
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branches: [ "master", "nextgen" ]
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branches: [ "**" ]
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permissions:
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contents: read
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@ -22,6 +22,11 @@ jobs:
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- uses: actions/checkout@v3
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- uses: dlang-community/setup-dlang@4c99aa991ce7d19dd3064de0a4f2f6b2f152e2d7
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- name: Install Doveralls (code coverage tool)
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run: |
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dub fetch doveralls
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sudo apt install libcurl4-openssl-dev
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- name: 'Build & Test'
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run: |
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# Build the project, with its main file included, without unittests
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@ -29,4 +34,8 @@ jobs:
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# Build and run tests, as defined by `unittest` configuration
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# In this mode, `mainSourceFile` is excluded and `version (unittest)` are included
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# See https://dub.pm/package-format-json.html#configurations
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dub test --compiler=$DC
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dub test --compiler=$DC --coverage
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- name: Coverage upload
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run: |
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dub run doveralls -- -t ${{secrets.COVERALLS_REPO_TOKEN}}
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@ -3,7 +3,8 @@
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tristanable
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===========
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[![D](https://github.com/deavmi/tristanable/actions/workflows/d.yml/badge.svg)](https://github.com/deavmi/tristanable/actions/workflows/d.yml)
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[![D](https://github.com/deavmi/tristanable/actions/workflows/d.yml/badge.svg)](https://github.com/deavmi/tristanable/actions/workflows/d.yml) ![DUB](https://img.shields.io/dub/v/tristanable?color=%23c10000ff%20&style=flat-square) ![DUB](https://img.shields.io/dub/dt/tristanable?style=flat-square) ![DUB](https://img.shields.io/dub/l/tristanable?style=flat-square) [![Coverage Status](https://coveralls.io/repos/github/deavmi/tristanable/badge.svg?branch=master)](https://coveralls.io/github/deavmi/tristanable?branch=master)
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**Tristanable** is a library for D-based libraries and applications that need a way to receive variable-length messages of different types (via a `Socket`) and place these messages into their own respectively tagged queues indicated by their _"type"_ or `id`.
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4
dub.json
4
dub.json
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@ -4,8 +4,8 @@
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],
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"copyright": "Copyright © 2023, Tristan B. Kildaire",
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"dependencies": {
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"bformat": "4.1.0",
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"libsnooze": "0.3.3"
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"bformat": ">=4.1.1",
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"niknaks": ">=0.3.0"
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},
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"description": "Tristanable network message queuing framework",
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"homepage": "https://deavmi.assigned.network/projects/tristanable",
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@ -4,6 +4,7 @@
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module tristanable.encoding;
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import std.conv : to;
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import niknaks.bits : bytesToIntegral, Order, order, toBytes;
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/**
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* Represents a tagged message that has been decoded
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@ -60,31 +61,9 @@ public final class TaggedMessage
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/* The decoded tag */
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ulong decodedTag;
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/* If on little endian then dump direct */
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version(LittleEndian)
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{
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decodedTag = *cast(ulong*)encodedMessage.ptr;
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}
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/* If on big endian then reverse received 8 bytes */
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else version(BigEndian)
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{
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/* Base of our tag */
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byte* tagHighPtr = cast(byte*)decodedTag.ptr;
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*(tagHighPtr+0) = encodedMessage[7];
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*(tagHighPtr+1) = encodedMessage[6];
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*(tagHighPtr+2) = encodedMessage[5];
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*(tagHighPtr+3) = encodedMessage[4];
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*(tagHighPtr+4) = encodedMessage[3];
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*(tagHighPtr+5) = encodedMessage[2];
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*(tagHighPtr+6) = encodedMessage[1];
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*(tagHighPtr+7) = encodedMessage[0];
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}
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/* Blessed is the fruit of thy womb Jesus, hail Mary, mother of God, pray for our sinners - now and at the hour of our death - Amen */
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else
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{
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pragma(msg, "Not too sure about tha 'ey 😳️");
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}
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/* Take ulong-many bytes and only flip them to LE if not on LE host */
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decodedTag = order(bytesToIntegral!(ushort)(cast(ubyte[])encodedMessage), Order.LE);
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/* Set the tag */
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decodedMessage.setTag(decodedTag);
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@ -106,41 +85,9 @@ public final class TaggedMessage
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/* The encoded bytes */
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byte[] encodedMessage;
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/* If on little endian, then dump 64 bit as is - little endian */
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version(LittleEndian)
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{
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/* Base (little first) of tag */
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byte* basePtr = cast(byte*)&tag;
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/* If on little endian then no re-order, if host is BE flip (the tag) */
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encodedMessage ~= toBytes(order(tag, Order.LE));
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encodedMessage ~= *(basePtr+0);
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encodedMessage ~= *(basePtr+1);
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encodedMessage ~= *(basePtr+2);
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encodedMessage ~= *(basePtr+3);
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encodedMessage ~= *(basePtr+4);
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encodedMessage ~= *(basePtr+5);
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encodedMessage ~= *(basePtr+6);
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encodedMessage ~= *(basePtr+7);
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}
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/* If on big endian, then traverse 64-bit number in reverse - and tack on */
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else version(BigEndian)
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{
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/* Base (biggest first) of tag */
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byte* highPtr = cast(byte*)&tag;
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encodedMessage ~= *(highPtr+7);
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encodedMessage ~= *(highPtr+6);
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encodedMessage ~= *(highPtr+5);
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encodedMessage ~= *(highPtr+4);
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encodedMessage ~= *(highPtr+3);
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encodedMessage ~= *(highPtr+2);
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encodedMessage ~= *(highPtr+1);
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encodedMessage ~= *(highPtr+0);
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}
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/* Hail marry, mother of God, pray for our sinners, now and at the our of our death Amen */
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else
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{
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pragma(msg, "Not feeling scrumptious homeslice 😎️");
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}
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/* Tack on the data */
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encodedMessage ~= data;
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@ -24,7 +24,17 @@ public enum ErrorType
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/**
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* If no default queue is configured
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*/
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NO_DEFAULT_QUEUE
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NO_DEFAULT_QUEUE,
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/**
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* The blocking call to `dequeue()`, somehow, failed
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*/
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DEQUEUE_FAILED,
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/**
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* The call to `enqueue()`, somehow, failed
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*/
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ENQUEUE_FAILED
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}
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/**
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@ -4,7 +4,7 @@
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module tristanable.manager.manager;
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import std.socket;
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import tristanable.queue : Queue;
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import tristanable.queue.queue : Queue;
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import core.sync.mutex : Mutex;
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import tristanable.manager.watcher : Watcher;
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import tristanable.encoding : TaggedMessage;
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@ -11,7 +11,7 @@ import std.socket;
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import bformat;
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import tristanable.encoding;
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import tristanable.exceptions;
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import tristanable.queue;
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import tristanable.queue.queue;
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import bformat.client;
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/**
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@ -204,6 +204,28 @@ unittest
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writeln("server send status: ", bClient.sendMessage(tEncoded));
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writeln("server send [done]");
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/**
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* Create a tagged message to send
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*
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* tag 100 payload Bye
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*/
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message = new TaggedMessage(100, cast(byte[])"DEFQUEUE_1");
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tEncoded = message.encode();
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writeln("server send status: ", bClient.sendMessage(tEncoded));
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writeln("server send [done]");
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/**
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* Create a tagged message to send
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*
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* tag 200 payload Bye
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*/
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message = new TaggedMessage(200, cast(byte[])"DEFQUEUE_2");
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tEncoded = message.encode();
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writeln("server send status: ", bClient.sendMessage(tEncoded));
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writeln("server send [done]");
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}
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}
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@ -223,6 +245,10 @@ unittest
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manager.registerQueue(sixtyNine);
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manager.registerQueue(fortyTwo);
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// Register a default queue (tag ignored)
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Queue defaultQueue = new Queue(2332);
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manager.setDefaultQueue(defaultQueue);
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/* Connect our socket to the server */
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client.connect(server.localAddress);
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@ -252,6 +278,19 @@ unittest
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assert(dequeuedMessage.getPayload() == cast(byte[])"Cucumber 😳️");
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/* Dequeue two messages from the default queue */
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writeln("unittest thread: Dequeue() blocking...");
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dequeuedMessage = defaultQueue.dequeue();
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writeln("unittest thread: Got '"~dequeuedMessage.toString()~"' decode payload to string '"~cast(string)dequeuedMessage.getPayload()~"'");
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assert(dequeuedMessage.getTag() == 100);
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assert(dequeuedMessage.getPayload() == cast(byte[])"DEFQUEUE_1");
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writeln("unittest thread: Dequeue() blocking...");
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dequeuedMessage = defaultQueue.dequeue();
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writeln("unittest thread: Got '"~dequeuedMessage.toString()~"' decode payload to string '"~cast(string)dequeuedMessage.getPayload()~"'");
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assert(dequeuedMessage.getTag() == 200);
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assert(dequeuedMessage.getPayload() == cast(byte[])"DEFQUEUE_2");
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/* Stop the manager */
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manager.stop();
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@ -11,9 +11,8 @@ public import tristanable.manager;
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/**
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* A queue of queue items all of the same tag
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* and queue-related facilities
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*/
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public import tristanable.queue;
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public import tristanable.queue.queue : Queue;
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/**
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* Error handling type definitions
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@ -5,14 +5,13 @@ module tristanable.queue.queue;
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import tristanable.queue.listener : TListener;
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// TODO: Examine the below import which seemingly fixes stuff for libsnooze
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import libsnooze.clib;
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import libsnooze;
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import core.sync.mutex : Mutex;
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import core.sync.condition : Condition;
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import core.sync.exception : SyncError;
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import std.container.slist : SList;
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import tristanable.encoding;
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import core.thread : dur;
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import core.time : Duration, dur;
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import tristanable.exceptions;
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version(unittest)
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{
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@ -35,8 +34,15 @@ public class Queue
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/**
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* The libsnooze event used to sleep/wake
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* on queue events
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* Mutex for the condition variable
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*/
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private Event event;
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private Mutex mutex;
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/**
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* The condition variable used to sleep/wake
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* on queue of events
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*/
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private Condition signal;
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/**
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* The queue of messages
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// TODO: Add listener add/remove methods
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// TODO: On queue actions add a notificaiton call to the listeners
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/**
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* If a message is enqueued prior
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* to us sleeping then we won't
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* wake up and return for it.
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*
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* Therefore a periodic wakeup
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* is required.
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*/
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private Duration wakeInterval;
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/**
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* Constructs a new Queue and immediately sets up the notification
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/* Initialize the queue lock */
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this.queueLock = new Mutex();
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/* Initialize the event */
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this.event = new Event();
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/* Initialize the condition variable */
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this.mutex = new Mutex();
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this.signal = new Condition(this.mutex);
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/* Set the queue id */
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this.queueID = queueID;
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/* Ensure pipe existence (see https://deavmi.assigned.network/git/deavmi/tristanable/issues/5) */
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event.wait(dur!("seconds")(0));
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/* Set the slumber interval */
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this.wakeInterval = dur!("msecs")(50); // TODO: Decide on value
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}
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/**
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* Returns the current wake interval
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* for the queue checker
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*
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* Returns: the `Duration`
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*/
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public Duration getWakeInterval()
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{
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return this.wakeInterval;
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}
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/**
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* Sets the wake up interval
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*
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* Params:
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* interval = the new interval
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*/
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public void setWakeInterval(Duration interval)
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{
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this.wakeInterval = interval;
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}
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/**
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@ -90,6 +128,9 @@ public class Queue
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* and then wakes up any thread that has called dequeue
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* on this queue as well
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*
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* On error enqueueing a `TristanableException` will be
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* thrown.
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*
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* Params:
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* message = the TaggedMessage to enqueue
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*/
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@ -121,11 +162,12 @@ public class Queue
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try
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{
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// TODO: Make us wait on the event (optional with a time-out)
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event.notifyAll();
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signal.notifyAll();
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}
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catch(SnoozeError snozErr)
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catch(SyncError snozErr)
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{
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// TODO: Add error handling for libsnooze exceptions here
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// Throw an exception on a fatal exception
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throw new TristanableException(ErrorType.ENQUEUE_FAILED);
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}
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}
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@ -134,6 +176,9 @@ public class Queue
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/**
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* Blocks till a message can be dequeued from this queue
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*
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* On error dequeueing a `TristanableException` will be
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* thrown.
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*
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* Returns: the dequeued TaggedMessage
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*/
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public TaggedMessage dequeue()
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@ -157,16 +202,26 @@ public class Queue
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/* Block till we dequeue a message successfully */
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while(dequeuedMessage is null)
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{
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scope(exit)
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{
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// Unlock the mutex
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this.mutex.unlock();
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}
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// Lock the mutex
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this.mutex.lock();
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try
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{
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// TODO: Make us wait on the event (optional with a time-out)
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event.wait();
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this.signal.wait(this.wakeInterval);
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}
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catch(SnoozeError snozErr)
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catch(SyncError e)
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{
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// TODO: Add error handling for libsnooze exceptions here
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// Throw an exception on a fatal exception
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throw new TristanableException(ErrorType.DEQUEUE_FAILED);
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}
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/* Lock the item queue */
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queueLock.lock();
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Loading…
Reference in New Issue