Harshavardhana b0cfceb211 event: Enhance event message struct to provide origin server. (#3557)
`principalId` i.e user identity is kept as AccessKey in
accordance with S3 spec.

Additionally responseElements{} are added starting with

`x-amz-request-id` is a hexadecimal of the event time itself in nanosecs.
`x-minio-origin-server` - points to the server generating the event.

Fixes #3556
2017-01-10 16:43:48 -08:00
..
2016-10-26 08:46:14 -07:00
2016-12-22 10:47:10 -08:00
2016-09-29 23:42:10 -07:00
2016-11-28 12:14:24 -08:00