1 // Copyright 2015 gRPC authors.
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
17 option java_multiple_files = true;
18 option java_package = "io.grpc.examples.routeguide";
19 option java_outer_classname = "RouteGuideProto";
23 // Interface exported by the server.
27 // Obtains the feature at a given position.
29 // A feature with an empty name is returned if there's no feature at the given
31 rpc GetFeature(Point) returns (Feature) {}
33 // A server-to-client streaming RPC.
35 // Obtains the Features available within the given Rectangle. Results are
36 // streamed rather than returned at once (e.g. in a response message with a
37 // repeated field), as the rectangle may cover a large area and contain a
38 // huge number of features.
39 rpc ListFeatures(Rectangle) returns (stream Feature) {}
41 // A client-to-server streaming RPC.
43 // Accepts a stream of Points on a route being traversed, returning a
44 // RouteSummary when traversal is completed.
45 rpc RecordRoute(stream Point) returns (RouteSummary) {}
47 // A Bidirectional streaming RPC.
49 // Accepts a stream of RouteNotes sent while a route is being traversed,
50 // while receiving other RouteNotes (e.g. from other users).
51 rpc RouteChat(stream RouteNote) returns (stream RouteNote) {}
54 // Points are represented as latitude-longitude pairs in the E7 representation
55 // (degrees multiplied by 10**7 and rounded to the nearest integer).
56 // Latitudes should be in the range +/- 90 degrees and longitude should be in
57 // the range +/- 180 degrees (inclusive).
63 // A latitude-longitude rectangle, represented as two diagonally opposite
64 // points "lo" and "hi".
66 // One corner of the rectangle.
69 // The other corner of the rectangle.
73 // A feature names something at a given point.
75 // If a feature could not be named, the name is empty.
77 // The name of the feature.
80 // The point where the feature is detected.
84 // A RouteNote is a message sent while at a given point.
86 // The location from which the message is sent.
89 // The message to be sent.
93 // A RouteSummary is received in response to a RecordRoute rpc.
95 // It contains the number of individual points received, the number of
96 // detected features, and the total distance covered as the cumulative sum of
97 // the distance between each point.
98 message RouteSummary {
99 // The number of points received.
100 int32 point_count = 1;
102 // The number of known features passed while traversing the route.
103 int32 feature_count = 2;
105 // The distance covered in metres.
108 // The duration of the traversal in seconds.
109 int32 elapsed_time = 4;