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Add idempotency to clientapi/SendEvent

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This commit is contained in:
Anant Prakash 2018-05-17 12:42:09 +05:30
parent a53a44f38b
commit f0b046b993
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GPG key ID: C5D399F626523045
2 changed files with 21 additions and 5 deletions
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9
src/github.com/matrix-org/dendrite/clientapi/routing/routing.go
View file

@ -94,14 +94,15 @@ func Setup(
r0mux.Handle("/rooms/{roomID}/send/{eventType}",
common.MakeAuthAPI("send_message", deviceDB, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
vars := mux.Vars(req)
return SendEvent(req, device, vars["roomID"], vars["eventType"], nil, nil, cfg, queryAPI, producer)
return SendEvent(req, device, vars["roomID"], vars["eventType"], nil, nil, cfg, queryAPI, producer, nil)
}),
).Methods(http.MethodPost, http.MethodOptions)
r0mux.Handle("/rooms/{roomID}/send/{eventType}/{txnID}",
common.MakeAuthAPI("send_message", deviceDB, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
vars := mux.Vars(req)
txnID := vars["txnID"]
return SendEvent(req, device, vars["roomID"], vars["eventType"], &txnID, nil, cfg, queryAPI, producer)
return SendEvent(req, device, vars["roomID"], vars["eventType"], &txnID,
nil, cfg, queryAPI, producer, transactionsCache)
}),
).Methods(http.MethodPut, http.MethodOptions)
r0mux.Handle("/rooms/{roomID}/state/{eventType:[^/]+/?}",
@ -113,14 +114,14 @@ func Setup(
if strings.HasSuffix(eventType, "/") {
eventType = eventType[:len(eventType)-1]
}
return SendEvent(req, device, vars["roomID"], eventType, nil, &emptyString, cfg, queryAPI, producer)
return SendEvent(req, device, vars["roomID"], eventType, nil, &emptyString, cfg, queryAPI, producer, nil)
}),
).Methods(http.MethodPut, http.MethodOptions)
r0mux.Handle("/rooms/{roomID}/state/{eventType}/{stateKey}",
common.MakeAuthAPI("send_message", deviceDB, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
vars := mux.Vars(req)
stateKey := vars["stateKey"]
return SendEvent(req, device, vars["roomID"], vars["eventType"], nil, &stateKey, cfg, queryAPI, producer)
return SendEvent(req, device, vars["roomID"], vars["eventType"], nil, &stateKey, cfg, queryAPI, producer, nil)
}),
).Methods(http.MethodPut, http.MethodOptions)

17
src/github.com/matrix-org/dendrite/clientapi/routing/sendevent.go
View file

@ -23,6 +23,7 @@ import (
"github.com/matrix-org/dendrite/clientapi/producers"
"github.com/matrix-org/dendrite/common"
"github.com/matrix-org/dendrite/common/config"
"github.com/matrix-org/dendrite/common/transactions"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
@ -45,7 +46,15 @@ func SendEvent(
cfg config.Dendrite,
queryAPI api.RoomserverQueryAPI,
producer *producers.RoomserverProducer,
txnCache *transactions.Cache,
) util.JSONResponse {
if txnID != nil {
// Try to fetch response from transactionsCache
if res, ok := txnCache.FetchTransaction(*txnID); ok {
return *res
}
}
// parse the incoming http request
userID := device.UserID
var r map[string]interface{} // must be a JSON object
@ -105,8 +114,14 @@ func SendEvent(
return httputil.LogThenError(req, err)
}
return util.JSONResponse{
res := util.JSONResponse{
Code: http.StatusOK,
JSON: sendEventResponse{e.EventID()},
}
// Add response to transactionsCache
if txnID != nil {
txnCache.AddTransaction(*txnID, &res)
}
return res
}