forked from matrix/element-web
Write dendrite version to the database
This commit is contained in:
parent
b0fb043c2b
commit
ec45bb7976
src/vector
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@ -13,10 +13,14 @@
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// See the License for the specific language governing permissions and
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// limitations under the License.
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// Dendrite Service Worker version
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// Bumping the patch version of this has no side-effects.
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// Bumping the minor version of this will delete databases.
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const version = "0.0.7"
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const bundle_path = self.location.href.replace("/dendrite_sw.js", "")
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const bundle_path = self.location.href.replace("/dendrite_sw.js", "")
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const id = Math.random();
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const id = Math.random();
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console.log("swjs: ", id," dendrite-sw.js file running...")
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console.log("swjs: ", id," dendrite-sw.js file running...")
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const version = "0.0.7"
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self.registration.addEventListener('updatefound', () => {
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self.registration.addEventListener('updatefound', () => {
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console.log("swjs: ", id," updatefound registration event fired")
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console.log("swjs: ", id," updatefound registration event fired")
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const newWorker = self.registration.installing;
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const newWorker = self.registration.installing;
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@ -34,8 +38,15 @@ self.importScripts(`${bundle_path}/wasm_exec.js`,
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`${bundle_path}/sqlitejs.js`,
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`${bundle_path}/sqlitejs.js`,
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`${bundle_path}/localforage.js`)
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`${bundle_path}/localforage.js`)
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function initDendrite() {
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async function initDendrite() {
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console.log(`dendrite-sw.js: v${version} SW init`)
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console.log(`dendrite-sw.js: v${version} SW init`)
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// check if we need to purge databases (minor version bump)
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const prevVer = await global.localforage.getItem("dendrite_version")
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if (prevVer != version) {
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const nukeDatabase = false; // TODO
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console.log(`dendrite-sw.js: previous ver ${prevVer} current ${version} nuke databases: ${nukeDatabase}`)
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}
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global.process = {
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global.process = {
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pid: 1,
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pid: 1,
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env: {
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env: {
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@ -53,39 +64,43 @@ function initDendrite() {
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}
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}
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const go = new Go();
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const go = new Go();
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return sqlitejs.init(config).then(()=>{
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await sqlitejs.init(config)
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console.log(`dendrite-sw.js: v${version} starting dendrite.wasm...`)
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console.log(`dendrite-sw.js: v${version} starting dendrite.wasm...`)
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return WebAssembly.instantiateStreaming(fetch(`${bundle_path}/../../dendrite.wasm`), go.importObject)
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const result = await WebAssembly.instantiateStreaming(fetch(`${bundle_path}/../../dendrite.wasm`), go.importObject)
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}).then((result) => {
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go.run(result.instance).then(() => {
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go.run(result.instance).then(() => {
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console.log(`dendrite-sw.js: v${version} dendrite.wasm terminated, restarting...`);
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console.log(`dendrite-sw.js: v${version} dendrite.wasm terminated, restarting...`);
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// purge databases and p2p nodes.
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// purge databases and p2p nodes.
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global._go_js_server = undefined;
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global._go_js_server = undefined;
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global._go_libp2p_nodes.forEach((n) => {
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global._go_libp2p_nodes.forEach((n) => {
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n.stop();
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n.stop();
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});
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global._go_libp2p_nodes = [];
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global._go_sqlite_dbs.clear();
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initDendritePromise = initDendrite();
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});
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});
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// make fetch calls go through this sw - notably if a page registers a sw, it does NOT go through any sw by default
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global._go_libp2p_nodes = [];
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// unless you refresh or call this function.
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global._go_sqlite_dbs.clear();
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console.log(`dendrite-sw.js: v${version} claiming open browser tabs`)
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initDendritePromise = initDendrite();
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console.log("swjs: ", id," invoke self.clients.claim()")
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self.clients.claim()
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}).then(async function() {
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function sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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for (let i = 0; i < 30; i++) { // 3s
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if (global._go_js_server) {
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console.log("swjs: ", id," init dendrite promise resolving")
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return;
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}
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await sleep(100);
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}
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throw new Error("Timed out waiting for _go_js_server to be set.")
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});
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});
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// make fetch calls go through this sw - notably if a page registers a sw, it does NOT go through any sw by default
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// unless you refresh or call this function.
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console.log(`dendrite-sw.js: v${version} claiming open browser tabs`)
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console.log("swjs: ", id," invoke self.clients.claim()")
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self.clients.claim();
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function sleep(ms) {
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return new Promise(resolve => setTimeout(resolve, ms));
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}
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let serverIsUp = false;
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for (let i = 0; i < 30; i++) { // 3s
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if (global._go_js_server) {
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console.log("swjs: ", id," init dendrite promise resolving");
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serverIsUp = true;
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break;
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}
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await sleep(100);
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}
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if (!serverIsUp) {
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throw new Error("Timed out waiting for _go_js_server to be set.");
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}
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// persist the new version
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await global.localforage.setItem("dendrite_version", version);
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}
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}
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let initDendritePromise = initDendrite();
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let initDendritePromise = initDendrite();
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