Web Call Server 5.2 - EN
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REST-methods and response statuses

REST-method

Example of the REST query

Example of the REST response body

Response statuses

/stream/snapshot

Code Block
languagejs
themeRDark
{
  "streamName" : "64966f33"
}
Code Block
languagejs
themeRDark
{
"data": "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"
}

200 - Snapshot is taken

404 - Stream not found

500 - Snapshot taking error

Parameters

Parameter name

Description

Example

streamName

Unique stream name

64966f33

data

Snapshot file encoded to base64

iVBORw0KGgoAAAANSUhEUgAAAUAAAADwCAYAAABxLb1rAAAACXBIWXMAAAAAAAAAAQCEeRdzAAAQA

Sending the REST query to the WCS server

To send the REST query to the WCS server you need to use a REST-client.

Configuration

Since build 5.2.1116, a maximum snapshot taking duration, including a possible server disk I/O delay, may be configured when taking snapshot via REST API. By default, maximum duration is set to 3000 ms, and 30 checks if snapshot file is ready will be performed during this interval

Code Block
themeRDark
snapshot_taking_interval_ms=3000
snapshot_taking_attempts=30

If the snapshot file is not ready, and the interval is expired, /stream/snapshot request will return the following error

Code Block
languagejs
themeRDark
{
  "exception": "com.flashphoner.rest.server.exception.InternalErrorException",
  "reason": "com.flashphoner.rest.server.exception.InternalErrorException, Internal Server Error, Snapshot response timeout, ts: 1640836780816, path: /rest-api/stream/snapshot",
  "path": "/rest-api/stream/snapshot",
  "error": "Internal Server Error",
  "message": "Snapshot response timeout",
  "timestamp": 1640836780816,
  "status": 500
}

JavaScript API

The snapshot method of the Stream object in WebSDK is intended to take stream snapshots. Example of use of this method can be found in the Stream Snapshot web applications that publishes a stream and take a snapshot.

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