mirror of
https://github.com/ggml-org/llama.cpp.git
synced 2025-11-03 09:22:01 +00:00
embed index and add --path for choosing static dir
This commit is contained in:
tobi lutke
16
examples/server/deps.sh
Executable file
16
examples/server/deps.sh
Executable file
@@ -0,0 +1,16 @@
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#!/bin/bash
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# Download and update deps for binary
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# get the directory of this script file
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DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
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PUBLIC=$DIR/public
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curl https://npm.reversehttp.com/@preact/signals-core,@preact/signals,htm/preact,preact,preact/hooks,@microsoft/fetch-event-source > $PUBLIC/index.js
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echo "// Generated file, run deps.sh to update. Do not edit directly
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R\"htmlraw($(cat $PUBLIC/index.html))htmlraw\"
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" > $DIR/index.html.cpp
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echo "// Generated file, run deps.sh to update. Do not edit directly
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R\"jsraw($(cat $PUBLIC/index.js))jsraw\"
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" > $DIR/index.js.cpp
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278
examples/server/index.html.cpp
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278
examples/server/index.html.cpp
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@@ -0,0 +1,278 @@
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// Generated file, run deps.sh to update. Do not edit directly
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R"htmlraw(<html>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>llama.cpp - chat</title>
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<style>
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#container {
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max-width: 80rem;
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margin: 4em auto;
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}
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main {
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border: 1px solid #ddd;
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padding: 1em;
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}
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#chat {
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height: 50vh;
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overflow-y: auto;
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}
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body {
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max-width: 650px;
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line-height: 1.2;
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font-size: 16px;
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margin: 0 auto;
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}
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p {
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overflow-wrap: break-word;
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word-wrap: break-word;
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hyphens: auto;
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margin-top: 0.5em;
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margin-bottom: 0.5em;
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}
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form {
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margin: 1em 0 0 0;
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display: flex;
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gap: 0.5em;
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flex-direction: row;
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align-items: center;
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}
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form > * {
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padding: 4px;
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}
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form input {
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flex-grow: 1;
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}
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fieldset {
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width: 100%;
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padding: 1em;
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}
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fieldset label {
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margin: 0.5em 0;
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display: block;
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}
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</style>
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<script type="module">
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import {
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html, h, signal, effect, computed, render, useSignal, useEffect, useRef, fetchEventSource
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} from '/index.js';
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const transcript = signal([])
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const chatStarted = computed(() => transcript.value.length > 0)
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const chatTemplate = signal("{{prompt}}\n\n{{history}}\n{{bot}}:")
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const settings = signal({
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prompt: "This is a conversation between user and llama, a friendly chatbot.",
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bot: "llama",
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user: "User"
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})
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const temperature = signal(0.2)
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const nPredict = signal(80)
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const controller = signal(null)
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const generating = computed(() => controller.value == null )
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// simple template replace
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const template = (str, map) => {
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let params = settings.value;
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if (map) {
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params = { ...params, ...map };
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}
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return String(str).replaceAll(/\{\{(.*?)\}\}/g, (_, key) => template(params[key]));
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}
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// send message to server
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const chat = async (msg) => {
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if (controller.value) {
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console.log('already running...');
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return;
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}
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controller.value = new AbortController();
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const history = [...transcript.value, ['{{user}}', msg]];
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transcript.value = history;
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let additionalParams = {
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message: msg,
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history: history.flatMap(([name, msg]) => `${name}: ${msg}`).join("\n"),
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}
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const payload = template(chatTemplate.value, additionalParams)
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let currentMessage = "";
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await fetchEventSource('/completion', {
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method: 'POST',
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signal: controller.value.signal,
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body: JSON.stringify({
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stream: true,
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prompt: payload,
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n_predict: parseInt(nPredict.value),
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temperature: parseFloat(temperature.value),
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stop: ["</s>", template("{{bot}}:"), template("{{user}}:")]
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}),
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onmessage(e) {
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const data = JSON.parse(e.data);
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currentMessage += data.content;
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if (data.stop) {
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console.log("-->", data, ' response was:', currentMessage, 'transcript state:', transcript.value);
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}
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transcript.value = [...history, ['{{bot}}', currentMessage]]
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return true;
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},
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onclose(e) {
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controller.value = null;
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return false;
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},
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});
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}
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function MessageInput() {
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const message = useSignal("")
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const stop = (e) => {
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e.preventDefault();
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if (controller.value) {
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controller.value.abort();
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controller.value = null;
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}
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}
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const reset = (e) => {
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stop(e);
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transcript.value = [];
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}
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const submit = (e) => {
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stop(e);
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chat(message.value);
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message.value = "";
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}
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return html`
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<form onsubmit=${submit}>
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<input type="text" value="${message}" oninput=${(e) => message.value = e.target.value} autofocus placeholder="Chat here..."/>
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<button type="submit" disabled=${!generating.value} >Send</button>
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<button onclick=${(e) => stop(e)} disabled=${generating.value}>Stop</button>
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<button onclick=${(e) => reset(e)}>Reset</button>
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</form>
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`
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}
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const ChatLog = (props) => {
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const messages = transcript.value;
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const container = useRef(null)
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useEffect(() => {
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// scroll to bottom (if needed)
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if (container.current && container.current.scrollHeight <= container.current.scrollTop + container.current.offsetHeight + 100) {
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container.current.scrollTo(0, container.current.scrollHeight)
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}
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}, [messages])
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const chatLine = ([user, msg]) => {
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return html`<p><strong>${template(user, {})}:</strong> ${template(msg, {})}</p>`
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};
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return html`
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<section id="chat" ref=${container}>
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${messages.flatMap((m) => chatLine(m))}
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</section>`;
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};
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const ConfigForm = (props) => {
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return html`
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<form>
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<fieldset>
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<legend>Settings</legend>
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<div>
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<label for="prompt">Prompt</label>
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<textarea type="text" id="prompt" value="${settings.value.prompt}" oninput=${(e) => settings.value.prompt = e.target.value} rows="3" cols="60" />
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</div>
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<div>
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<label for="user">User name</label>
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<input type="text" id="user" value="${settings.value.user}" oninput=${(e) => settings.value.user = e.target.value} />
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</div>
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<div>
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<label for="bot">Bot name</label>
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<input type="text" id="bot" value="${settings.value.bot}" oninput=${(e) => settings.value.bot = e.target.value} />
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</div>
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<div>
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<label for="template">Prompt template</label>
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<textarea id="template" value="${chatTemplate}" oninput=${(e) => chatTemplate.value = e.target.value} rows="8" cols="60" />
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</div>
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<div>
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<label for="temperature">Temperature</label>
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<input type="range" id="temperature" min="0.0" max="1.0" step="0.01" value="${temperature.value}" oninput=${(e) => temperature.value = e.target.value} />
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<span>${temperature}</span>
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</div>
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<div>
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<label for="nPredict">Predictions</label>
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<input type="range" id="nPredict" min="1" max="2048" step="1" value="${nPredict.value}" oninput=${(e) => nPredict.value = e.target.value} />
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<span>${nPredict}</span>
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</div>
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</fieldset>
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</form>
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`
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}
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function App(props) {
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return html`
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<div id="container">
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<header>
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<h1>llama.cpp</h1>
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</header>
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<main>
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<section class="chat">
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<${chatStarted.value ? ChatLog : ConfigForm
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} />
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</section >
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<hr/>
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<section class="chat">
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<${MessageInput} />
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</section>
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</main >
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<footer>
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<p>Powered by <a href="https://github.com/ggerganov/llama.cpp">llama.cpp</a> and <a href="https://ggml.ai">ggml.ai</a></p>
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</footer>
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</div>
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`;
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}
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render(h(App), document.body);
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</script>
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</head>
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<body>
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</body>
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</html>)htmlraw"
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1
examples/server/index.js
Normal file
1
examples/server/index.js
Normal file
File diff suppressed because one or more lines are too long
3
examples/server/index.js.cpp
Normal file
3
examples/server/index.js.cpp
Normal file
File diff suppressed because one or more lines are too long
@@ -67,7 +67,7 @@
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<script type="module">
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import {
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html, h, signal, effect, computed, render, useSignal, useEffect, useRef, fetchEventSource
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} from 'https://npm.reversehttp.com/@preact/signals-core,@preact/signals,htm/preact,preact,preact/hooks,@microsoft/fetch-event-source';
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} from '/index.js';
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const transcript = signal([])
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const chatStarted = computed(() => transcript.value.length > 0)
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1
examples/server/public/index.js
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1
examples/server/public/index.js
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File diff suppressed because one or more lines are too long
@@ -12,6 +12,15 @@
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#include "httplib.h"
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#include "json.hpp"
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// auto generated files (update with ./deps.sh)
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const char* indexHtml =
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#include "index.html.cpp"
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;
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const char* indexJs =
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#include "index.js.cpp"
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;
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#ifndef SERVER_VERBOSE
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#define SERVER_VERBOSE 1
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#endif
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@@ -21,9 +30,11 @@ using json = nlohmann::json;
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struct server_params {
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std::string hostname = "127.0.0.1";
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std::string public_path = "examples/server/public";
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int32_t port = 8080;
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int32_t read_timeout = 600;
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int32_t write_timeout = 600;
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};
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// completion token output with probabilities
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@@ -539,6 +550,7 @@ static void server_print_usage(const char * argv0, const gpt_params & params,
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fprintf(stderr, " --lora-base FNAME optional model to use as a base for the layers modified by the LoRA adapter\n");
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fprintf(stderr, " --host ip address to listen (default (default: %s)\n", sparams.hostname.c_str());
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fprintf(stderr, " --port PORT port to listen (default (default: %d)\n", sparams.port);
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fprintf(stderr, " --path PUBLIC_PATH path from which to serve static files (default %s)\n", sparams.public_path.c_str());
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fprintf(stderr, " -to N, --timeout N server read/write timeout in seconds (default: %d)\n", sparams.read_timeout);
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fprintf(stderr, " --embedding enable embedding vector output (default: %s)\n", params.embedding ? "enabled" : "disabled");
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fprintf(stderr, "\n");
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@@ -565,6 +577,12 @@ static void server_params_parse(int argc, char ** argv, server_params & sparams,
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break;
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}
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sparams.hostname = argv[i];
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} else if (arg == "--path") {
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if (++i >= argc) {
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invalid_param = true;
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break;
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}
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sparams.public_path = argv[i];
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} else if (arg == "--timeout" || arg == "-to") {
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if (++i >= argc) {
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invalid_param = true;
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@@ -846,7 +864,7 @@ static void log_server_request(const Request & req, const Response & res) {
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{ "status", res.status },
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{ "path", req.path },
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{ "request", req.body },
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{ "response", res.body },
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// { "response", res.body },
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});
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}
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@@ -888,14 +906,15 @@ int main(int argc, char ** argv) {
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{ "Access-Control-Allow-Headers", "content-type" }
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});
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// this is only called if no index.js is found in the public --path
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svr.Get("/index.js", [](const Request &, Response & res) {
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res.set_content(indexJs, "text/javascript");
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return false;
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});
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// this is only called if no index.html is found in the public --path
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svr.Get("/", [](const Request &, Response & res) {
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// return content of server.html file
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std::ifstream t("examples/server/server.html");
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std::stringstream buffer;
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buffer << t.rdbuf();
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res.set_content(buffer.str(), "text/html");
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res.set_content(indexHtml, "text/html");
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return false;
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});
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@@ -1051,6 +1070,9 @@ int main(int argc, char ** argv) {
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svr.set_read_timeout(sparams.read_timeout);
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svr.set_write_timeout(sparams.write_timeout);
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// Set the base directory for serving static files
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svr.set_base_dir(sparams.public_path);
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if (!svr.bind_to_port(sparams.hostname, sparams.port)) {
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LOG_ERROR("couldn't bind to server socket", {
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{ "hostname", sparams.hostname },
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@@ -1059,10 +1081,9 @@ int main(int argc, char ** argv) {
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return 1;
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}
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LOG_INFO("HTTP server listening", {
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{ "hostname", sparams.hostname },
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{ "port", sparams.port },
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});
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std::cout << std::endl;
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std::cout << "llama server listening at http://" << sparams.hostname << ":" << sparams.port << std::endl;
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std::cout << std::endl;
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if (!svr.listen_after_bind()) {
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return 1;
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Reference in New Issue
Block a user