Add push server component template

pushserver/inthttp/client.go

@@ -0,0 +1,48 @@
+package inthttp
+
+import (
+	"context"
+	"errors"
+	"net/http"
+
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/pushserver/api"
+	"github.com/opentracing/opentracing-go"
+)
+
+type httpPushserverInternalAPI struct {
+	roomserverURL string
+	httpClient    *http.Client
+}
+
+const (
+	PushserverQueryExamplePath = "/pushserver/queryExample"
+)
+
+// NewRoomserverClient creates a PushserverInternalAPI implemented by talking to a HTTP POST API.
+// If httpClient is nil an error is returned
+func NewPushserverClient(
+	pushserverURL string,
+	httpClient *http.Client,
+) (api.PushserverInternalAPI, error) {
+	if httpClient == nil {
+		return nil, errors.New("NewPushserverClient: httpClient is <nil>")
+	}
+	return &httpPushserverInternalAPI{
+		roomserverURL: pushserverURL,
+		httpClient:    httpClient,
+	}, nil
+}
+
+// SetRoomAlias implements RoomserverAliasAPI
+func (h *httpPushserverInternalAPI) QueryExample(
+	ctx context.Context,
+	request *api.QueryExampleRequest,
+	response *api.QueryExampleResponse,
+) error {
+	span, ctx := opentracing.StartSpanFromContext(ctx, "QueryExample")
+	defer span.Finish()
+
+	apiURL := h.roomserverURL + PushserverQueryExamplePath
+	return httputil.PostJSON(ctx, span, h.httpClient, apiURL, request, response)
+}

pushserver/inthttp/server.go

@@ -0,0 +1,29 @@
+package inthttp
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/matrix-org/dendrite/internal/httputil"
+	"github.com/matrix-org/dendrite/pushserver/api"
+	"github.com/matrix-org/util"
+)
+
+// AddRoutes adds the RoomserverInternalAPI handlers to the http.ServeMux.
+// nolint: gocyclo
+func AddRoutes(r api.PushserverInternalAPI, internalAPIMux *mux.Router) {
+	internalAPIMux.Handle(PushserverQueryExamplePath,
+		httputil.MakeInternalAPI("queryExample", func(req *http.Request) util.JSONResponse {
+			var request api.QueryExampleRequest
+			var response api.QueryExampleResponse
+			if err := json.NewDecoder(req.Body).Decode(&request); err != nil {
+				return util.MessageResponse(http.StatusBadRequest, err.Error())
+			}
+			if err := r.QueryExample(req.Context(), &request, &response); err != nil {
+				return util.ErrorResponse(err)
+			}
+			return util.JSONResponse{Code: http.StatusOK, JSON: &response}
+		}),
+	)
+}