mirror of
https://github.com/osnr/TabFS.git
synced 2024-05-23 16:02:18 +02:00
extension: improve debug attach reliability
(by forcing detach first for tabs that already have an attached debugger -- this crops up a lot if I reload the extension, the old extension ver stays hanging -- and by attaching before we open/getattr files too, not just when we open the dir) (it seems pretty solid now)
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e4c92ac4e9
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@ -85,9 +85,13 @@ async function debugTab(tabId) {
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debugging[tabId] += 1;
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} else {
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await new Promise((resolve, reject) => chrome.debugger.attach({tabId}, "1.3", () => {
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await new Promise((resolve, reject) => chrome.debugger.attach({tabId}, "1.3", function callback() {
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if (chrome.runtime.lastError) {
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reject(chrome.runtime.lastError);
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if (chrome.runtime.lastError.message.indexOf('Another debugger is already attached') !== -1) {
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chrome.debugger.detach({tabId}, callback);
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} else {
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reject(chrome.runtime.lastError);
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}
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} else {
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debugging[tabId] = 1;
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resolve();
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@ -99,11 +103,7 @@ function sendDebuggerCommand(tabId, method, commandParams) {
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return new Promise((resolve, reject) =>
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chrome.debugger.sendCommand({tabId}, method, commandParams, result => {
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console.log(method, result);
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if (result) {
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resolve(result);
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} else {
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reject(chrome.runtime.lastError);
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}
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if (result) { resolve(result); } else { reject(chrome.runtime.lastError); }
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})
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);
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}
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@ -194,7 +194,7 @@ router["/tabs/by-id/*/resources/*"] = {
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const tabId = parseInt(pathComponent(path, -3));
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const suffix = pathComponent(path, -1);
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if (!debugging[tabId]) throw new UnixError(unix.EIO);
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await debugTab(tabId);
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await sendDebuggerCommand(tabId, "Page.enable", {});
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@ -219,6 +219,8 @@ router["/tabs/by-id/*/resources/*"] = {
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},
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async open({path}) {
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// FIXME: cache the file
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const tabId = parseInt(pathComponent(path, -3));
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await debugTab(tabId);
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return {fh: 3};
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},
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async read({path, fh, size, offset}) {
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@ -238,7 +240,7 @@ router["/tabs/by-id/*/resources/*"] = {
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url: resource.url
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});
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if (base64Encoded) {
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const arr = Uint8Array.from(atob(data), c => c.charCodeAt(0));
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const arr = Uint8Array.from(atob(content), c => c.charCodeAt(0));
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const slice = arr.slice(offset, offset + size);
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return { buf: String.fromCharCode(...slice) };
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} else {
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@ -249,6 +251,7 @@ router["/tabs/by-id/*/resources/*"] = {
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throw new UnixError(unix.ENOENT);
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},
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async release({path, fh}) {
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// FIXME: free the debug?
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return {};
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}
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};
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@ -400,7 +403,7 @@ function findRoute(path) {
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let port;
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async function onMessage(req) {
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if (req.buf) req.buf = atob(req.buf);
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console.log('req', req);
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/* console.log('req', req);*/
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let response = { op: req.op, error: unix.EIO };
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/* console.time(req.op + ':' + req.path);*/
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@ -418,7 +421,7 @@ async function onMessage(req) {
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}
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/* console.timeEnd(req.op + ':' + req.path);*/
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console.log('resp', response);
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/* console.log('resp', response);*/
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port.postMessage(response);
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};
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