Fails assertion check if dict_to_check does not have a key specified in keys. Returns the set of keys found in the measurement

Fetches authentication cookies for an authentication token. Args: auth_token: The authentication token returned by ClientLogin. Raises

Uses ClientLogin to authenticate the user, returning an auth token. Args: email: The user's email address password: The user's pas

Returns the HTML string representing a measurement result. Args: device_id: The device ID meas: The measurement object. values:

Constructs the javascript code to map measurement results.

Return a list of measurements. Args: device_ids: List of device IDs to retrieve measurements for. start_date: datetime.datetime objec

Returns an OpenerDirector for making HTTP requests. Returns: A urllib2.OpenerDirector object.

Create the generation hashes for route lookups

Creates default set with values stringified Put together our list of defaults, stringify non-None values and add in our actio

Utility function to walk the route backwards Will also determine the minimum keys we can handle to generate a working route.

Utility function to walk the route, and pull out the valid dynamic/wildcard keys.

Private function that takes a dict, and screens it against the current request dict to determine what the dict should look like that is used

A Unicode handling version of urllib.quote_plus.

Core measurement functions definitions acquire server configuration information 1) m-

Add an icon to the device status bar.

Out-of-order packets is defined as arriving packets with sequence numbers smaller than their predecessors. @param packetNum: packet number in burst se

Adjusts the frequency of the task based on the profile passed from the server. Alternately, disregards the task altogether, if a -1 is passed. @para

Filter out values equal or beyond the bounds and then compute the average of valid data @param vals the list of values to be filtered @param lowerBoun

Starts an authentication request

Recursively build our regexp given a path, and a controller list. Returns the regular expression string, and two booleans that can be

Find the median value from a TCPThroughput JSON result string (already sorted) Suppose N is the number of results. If N is odd, we pick the result wit

Calculate jitter as the standard deviation of one-way delays[RFC3393] We can assume the clock offset between server and client is constant in a short

Out-of-order ratio is defined as the ratio between the number of out-of-order packets and the total number of packets. @return the inversion number of

Helper function to construct MeasurementResults to submit to the server @param desc The data collected for the RRC test to be converted into somethin

Downlink measurement task

Use the HTTP Head method to emulate ping. The measurement from this method can be substantially (2x) greater than the first two methods and inaccurate

Returns a String array that contains the ICMP sequence number and the round trip time extracted from a ping output. The first array element is the seq

Returns an integer array that contains the number of ICMP requests sent and the number of responses received. The first element is the requests sent a

Return a list of system environment path

Locate controllers in a directory

Returns the information about cell towers in range. Returns null if the information is not available TODO(wenjiezeng): As folklore has it and Wenjie

Returns the checkin interval of the scheduler in seconds

For RRC inference, we calculate this precisely based on the number and size of packets sent. For the TCP handshake and DNS tasks, we use small, fixed

Summarize Domain Name resolvability cases @return ipv4, ipv6, ipv4_ipv6, IP_TYPE_NONE or IP_TYPE_UNKNOWN

Summarize ip connectable cases @return ipv4, ipv6, ipv4_ipv6, IP_TYPE_NONE or IP_TYPE_UNKNOWN

Returns the last checkin time

Returns the location of the device. @return the location of the device

Gets the currently available measurement descriptions

Gets the currently available measurement types

Return an appropriately-configured HTTP client.

Compute the sum of the values in list @param vals the list of values to sum up @return the sum of the values in the list

Return a read-only list of the system console messages.

Return a read-only list of the system results.

Returns the current task queue in the scheduler.

Returns mobile data network connection type.

Keep a global counter that labels each test with a unique, increasing integer. @param context Any context instance, needed to fetch the last test id

Get the type of a measurement based on its name. Type is for JSON interface only where as measurement name is a readable string for the UI

Return a read-only list of the user results.

Get UI visibility for a measurement task

Returns current Wi-Fi SSID, or null if Wi-Fi is not connected.

For all time intervals specified, go through and perform the RRC inference test. The way this test works, at a high level, is: <ol> <li> Send a large

Performs a single RRC inference test to account for packet sizes. Sends a packet, waits for the specified length of time, then sends a cluster of pac