b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
127 lines
3.7 KiB
JavaScript
Executable file
127 lines
3.7 KiB
JavaScript
Executable file
'use strict';
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var Promise = require('promise');
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var assign = require('object-assign');
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var fsPath = require('path');
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var indent = require('indent-string');
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var mozrunner = require('mozilla-runner');
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var util = require('util');
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var detectBinary = Promise.denodeify(mozrunner.detectBinary);
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var DEFAULT_LOCATION = fsPath.join(process.cwd(), 'firefox');
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function Session(host, id, options) {
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this.host = host;
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this.id = id;
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this.options = options;
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}
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module.exports = Session;
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Session.prototype = {
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$rpc: { methods: ['destroy', 'checkError'] },
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checkError: function(profileConfig, err) {
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var request = {
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// TODO: This does not work for devices as is...
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dump_directory: profileConfig.profile + '/minidumps',
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symbols_path: this.options.symbols_path,
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dump_save_path: this.options.dump_path
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};
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return this.host.request('/get_crash_info', request)
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.then(function(info) {
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// If info is empty, we didn't crash the process. We threw an error
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// in JavaScript code instead.
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if (Object.keys(info).length === 0) {
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// The error we were passed originally will suffice in this case.
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return err;
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}
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// Otherwise, check to see if the stackwalk binary return cleanly or with
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// error.
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if (info.stackwalk_retcode !== 0) {
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// Error during stackwalk.
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return parseCrashInfoWithStackwalkError(info);
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}
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// Everything is OK with the stackwalk, let's format a nice error with it.
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return parseCrashInfo(info);
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});
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},
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destroy: function() {
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return this.host.request('/stop_runner', { id : this.id })
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.then(function() {
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delete this.host.sessions[this.id];
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this.id = null;
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}.bind(this));
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}
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};
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Session.create = function(host, profile, options) {
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options = assign({ profile: profile, buildapp: 'desktop' }, options);
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if (options.b2g_home && options.buildapp === 'desktop') {
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return Promise.reject('Only specify --b2gpath for device or emulator');
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}
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if (!options.b2g_home && options.buildapp === 'emulator') {
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return Promise.reject('Must specify --b2gpath for emulator');
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}
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var startSession = resolveBinary(options)
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.then(function(binary) {
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return host.request('/start_runner', { binary: binary, options: options });
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})
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.then(function(result) {
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var session = new Session(host, result.id, options);
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host.sessions[result.id] = session;
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// Session no longer pending.
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host.pendingSessions.splice(host.pendingSessions.indexOf(startSession), 1);
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return session;
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})
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.catch(function(error) {
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console.error(error);
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});
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host.pendingSessions.push(startSession);
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return startSession;
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};
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/**
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Figure out where the b2g-bin lives based on options.
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@param {Object} options (as described by .help).
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@return {Promise<Null|String>} null if none is needed or a path.
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*/
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function resolveBinary(options) {
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if (options.buildapp !== 'desktop') return Promise.resolve();
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if (options.runtime) return Promise.resolve(options.runtime);
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var binary = options.target || DEFAULT_LOCATION;
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return detectBinary(binary, { product: 'firefox' });
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}
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function parseCrashInfo(info) {
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var msg = util.format('Crash detected at: %s', info.signature);
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var error = new Error(msg);
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error.stack = msg + '\n' + info.stackwalk_stdout;
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error.name = 'ProcessCrash Stackwalk';
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return error;
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}
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function parseCrashInfoWithStackwalkError(info) {
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var msg = 'Crash detected but error running stackwalk\n';
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if (Array.isArray(info.stackwalk_errors)) {
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info.stackwalk_errors.forEach(function(err) {
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msg += indent(err, ' ', 2) + '\n';
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});
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}
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var error = new Error(msg);
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error.name = 'ProcessCrash';
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error.stack = msg +
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'\n' +
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indent((info.stackwalk_stderr || ''), ' ', 4);
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return error;
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}
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