appium-adb/build/lib/logcat.js

Android Debug Bridge interface

'use strict';

var _createClass = require('babel-runtime/helpers/create-class')['default'];

var _classCallCheck = require('babel-runtime/helpers/class-call-check')['default'];

var _Promise = require('babel-runtime/core-js/promise')['default'];

var _regeneratorRuntime = require('babel-runtime/regenerator')['default'];

var _getIterator = require('babel-runtime/core-js/get-iterator')['default'];

Object.defineProperty(exports, '__esModule', {
  value: true
});

var _teen_process = require('teen_process');

var _appiumLogger = require('appium-logger');

var log = (0, _appiumLogger.getLogger)('Logcat');

var Logcat = (function () {
  function Logcat() {
    var opts = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];

    _classCallCheck(this, Logcat);

    this.adb = opts.adb;
    this.debug = opts.debug;
    this.debugTrace = opts.debugTrace;
    this.logs = [];
    this.logsSinceLastRequest = [];
  }

  _createClass(Logcat, [{
    key: 'startCapture',
    value: function startCapture() {
      var _this2 = this;

      return new _Promise(function callee$2$0(resolve, reject) {
        return _regeneratorRuntime.async(function callee$2$0$(context$3$0) {
          var _this = this;

          while (1) switch (context$3$0.prev = context$3$0.next) {
            case 0:
              log.debug("Starting logcat capture");
              this.proc = new _teen_process.SubProcess(this.adb.path, this.adb.defaultArgs.concat(['logcat', '-v', 'threadtime']));
              context$3$0.next = 4;
              return _regeneratorRuntime.awrap(this.proc.start(0));

            case 4:
              this.proc.on('exit', function (code, signal) {
                log.error('Logcat terminated with code ' + code + ', signal ' + signal);
                _this.proc = null;
              });
              this.proc.on('lines-stderr', function (lines) {
                var _iteratorNormalCompletion = true;
                var _didIteratorError = false;
                var _iteratorError = undefined;

                try {
                  for (var _iterator = _getIterator(lines), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
                    var line = _step.value;

                    if (/execvp\(\)/.test(line)) {
                      log.error('Logcat process failed to start');
                      reject(new Error('Logcat process failed to start. stderr: ' + line));
                    }
                    _this.outputHandler(line, 'STDERR: ');
                  }
                } catch (err) {
                  _didIteratorError = true;
                  _iteratorError = err;
                } finally {
                  try {
                    if (!_iteratorNormalCompletion && _iterator['return']) {
                      _iterator['return']();
                    }
                  } finally {
                    if (_didIteratorError) {
                      throw _iteratorError;
                    }
                  }
                }

                resolve();
              });
              this.proc.on('lines-stdout', function (lines) {
                resolve();
                var _iteratorNormalCompletion2 = true;
                var _didIteratorError2 = false;
                var _iteratorError2 = undefined;

                try {
                  for (var _iterator2 = _getIterator(lines), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
                    var line = _step2.value;

                    _this.outputHandler(line);
                  }
                } catch (err) {
                  _didIteratorError2 = true;
                  _iteratorError2 = err;
                } finally {
                  try {
                    if (!_iteratorNormalCompletion2 && _iterator2['return']) {
                      _iterator2['return']();
                    }
                  } finally {
                    if (_didIteratorError2) {
                      throw _iteratorError2;
                    }
                  }
                }
              });

            case 7:
            case 'end':
              return context$3$0.stop();
          }
        }, null, _this2);
      });
    }
  }, {
    key: 'outputHandler',
    value: function outputHandler(output) {
      var prefix = arguments.length <= 1 || arguments[1] === undefined ? '' : arguments[1];

      output = output.trim();
      if (output) {
        var outputObj = {
          timestamp: Date.now(),
          level: 'ALL',
          message: output
        };
        this.logs.push(outputObj);
        this.logsSinceLastRequest.push(outputObj);
        var isTrace = /W\/Trace/.test(output);
        if (this.debug && (!isTrace || this.debugTrace)) {
          log.debug(prefix + output);
        }
      }
    }
  }, {
    key: 'stopCapture',
    value: function stopCapture() {
      return _regeneratorRuntime.async(function stopCapture$(context$2$0) {
        while (1) switch (context$2$0.prev = context$2$0.next) {
          case 0:
            log.debug("Stopping logcat capture");

            if (!(this.proc === null)) {
              context$2$0.next = 4;
              break;
            }

            log.debug("Logcat already stopped");
            return context$2$0.abrupt('return');

          case 4:
            this.proc.removeAllListeners('exit');
            context$2$0.next = 7;
            return _regeneratorRuntime.awrap(this.proc.stop());

          case 7:
            this.proc = null;

          case 8:
          case 'end':
            return context$2$0.stop();
        }
      }, null, this);
    }
  }, {
    key: 'getLogs',
    value: function getLogs() {
      var logs = this.logsSinceLastRequest;
      this.logsSinceLastRequest = [];
      return logs;
    }
  }, {
    key: 'getAllLogs',
    value: function getAllLogs() {
      return this.logs;
    }
  }]);

  return Logcat;
})();

exports['default'] = Logcat;
module.exports = exports['default'];
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