* Calculates a JSON Web Token (JWT) given the path to a EC private key and * Google Cloud project ID. Returns the JWT as a string that the caller mus

[START iot_mqtt_jwt] * Calculates issued at / expiration times for JWT and places the time, as a * Unix timestamp, in the strings passed to the funct

* Helper to parse arguments passed to app. Returns false if there are missing * or invalid arguments; otherwise, returns true indicating the caller s

* Publish a given message, passed in as payload, to Cloud IoT Core using the * values passed to the sample, stored in the global opts structure. Retu

Print the responses as they are received.

Simulate a microphone thread sending audio to the Cloud Speech API.

Prepend a hash to an object name for better performance in GCS.

Create a random object name fragment.

Write the audio in 64k chunks at a time, simulating audio content arriving from a microphone.

Writes a few rows to a (hard-coded) test table. Create the table with bq mk cpp_samples bq mk cpp_samples.hello bq update cpp_samples.hello schema.js