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dendrite/clientapi
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Kiril Vladimiroff d5dbe546e4
Always defer *sql.Rows.Close and consult with Err (#844) 
* Always defer *sql.Rows.Close and consult with Err

database/sql.Rows.Next() makes sure to call Close only after exhausting
result rows which would NOT happen when returning early from a bad Scan.
Close being idempotent makes it a great candidate to get always deferred
regardless of what happens later on the result set.

This change also makes sure call Err() after exhausting Next() and
propagate non-nil results from it as the documentation advises.

Closes #764

Signed-off-by: Kiril Vladimiroff <kiril@vladimiroff.org>

* Override named result parameters in last returns

Signed-off-by: Kiril Vladimiroff <kiril@vladimiroff.org>

* Do the same over new changes that got merged

Signed-off-by: Kiril Vladimiroff <kiril@vladimiroff.org>

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
2020-02-11 14:12:21 +00:00
..
auth Always defer *sql.Rows.Close and consult with Err (#844) 2020-02-11 14:12:21 +00:00
consumers use go module for dependencies (#594) 2019-05-21 21:56:55 +01:00
httputil use go module for dependencies (#594) 2019-05-21 21:56:55 +01:00
jsonerror Fix pipeline, emoji and syntax (#713) 2019-06-19 14:05:03 +01:00
producers use go module for dependencies (#594) 2019-05-21 21:56:55 +01:00
routing Implement missing device management features (#835) 2020-02-11 12:13:38 +00:00
threepid Pass cfg by reference around the codebase (#819) 2020-02-11 11:18:12 +00:00
userutil use go module for dependencies (#594) 2019-05-21 21:56:55 +01:00
clientapi.go Pass cfg by reference around the codebase (#819) 2020-02-11 11:18:12 +00:00
README.md use go module for dependencies (#594) 2019-05-21 21:56:55 +01:00

README.md

This component roughly corresponds to "Client Room Send" and "Client Sync" on the WIRING diagram. This component produces multiple binaries.

Internals

  • HTTP routing is done using gorilla/mux and the routing paths are in the routing package.

Writers

  • Each HTTP "write operation" (/createRoom, /rooms/$room_id/send/$type, etc) is contained entirely to a single file in the writers package.
  • This file contains the request and response struct definitions, as well as a Validate() bool function to validate incoming requests.
  • The entry point for each write operation is a stand-alone function as this makes testing easier. All dependencies should be injected into this function, including server keys/name, etc.