Can Amazon Simple Notification Service “push” notifications to a desktop client?
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29-10-2019 - |
Вопрос
Can Amazon Simple Notification Service "push" notifications to a desktop client? It this possible as a true push without polling?
Решение
No, this is not (yet) available out of the box - Amazon SNS indeed works by publishers sending messages to topics, which in turn push these to endpoints subscribed to this topic. The currently available protocols for the Subscribe API are:
- http -- delivery of JSON-encoded message via HTTP POST
- https --delivery of JSON-encoded message via HTTPS POST
- email -- delivery of message via SMTP
- email-json -- delivery of JSON-encoded message via SMTP
- sms -- delivery of message via SMS [currently limited to the US region(s)]
- sqs -- delivery of JSON-encoded message to an Amazon SQS queue
So the closest you currently have for push notifications to a desktop client is email, though it should be relatively easy to build custom ones by posting HTTP to a respective web service, which in turn could facilitate WebSocket or Growl etc.
Good luck!
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