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@ -33,23 +33,51 @@ option java_package = "ex.grpc"; |
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package examples; |
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package examples; |
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// Interface exported by the server. |
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service RouteGuide { |
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// A simple RPC. |
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// |
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// Obtains the feature at a given position. |
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rpc GetFeature(Point) returns (Feature) {} |
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// A server-to-client streaming RPC. |
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// |
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// Obtains the Features available within the given Rectangle. Results are |
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// streamed rather than returned at once (e.g. in a response message with a |
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// repeated field), as the rectangle may cover a large area and contain a |
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// huge number of features. |
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rpc ListFeatures(Rectangle) returns (stream Feature) {} |
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// A client-to-server streaming RPC. |
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// |
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// Accepts a stream of Points on a route being traversed, returning a |
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// RouteSummary when traversal is completed. |
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rpc RecordRoute(stream Point) returns (RouteSummary) {} |
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// A Bidirectional streaming RPC. |
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// |
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// Accepts a stream of RouteNotes sent while a route is being traversed, |
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// while receiving other RouteNotes (e.g. from other users). |
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rpc RouteChat(stream RouteNote) returns (stream RouteNote) {} |
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} |
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// Points are represented as latitude-longitude pairs in the E7 representation |
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// Points are represented as latitude-longitude pairs in the E7 representation |
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// (degrees multiplied by 10**7 and rounded to the nearest integer). |
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// (degrees multiplied by 10**7 and rounded to the nearest integer). |
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// Latitudes should be in the range +/- 90 degrees and longitude should be in |
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// Latitudes should be in the range +/- 90 degrees and longitude should be in |
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// the range +/- 180 degrees (inclusive). |
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// the range +/- 180 degrees (inclusive). |
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message Point { |
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message Point { |
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optional int32 latitude = 1; |
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int32 latitude = 1; |
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optional int32 longitude = 2; |
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int32 longitude = 2; |
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} |
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} |
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// A latitude-longitude rectangle, represented as two diagonally opposite |
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// A latitude-longitude rectangle, represented as two diagonally opposite |
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// points "lo" and "hi". |
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// points "lo" and "hi". |
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message Rectangle { |
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message Rectangle { |
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// One corner of the rectangle. |
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// One corner of the rectangle. |
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optional Point lo = 1; |
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Point lo = 1; |
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// The other corner of the rectangle. |
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// The other corner of the rectangle. |
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optional Point hi = 2; |
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Point hi = 2; |
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} |
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} |
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// A feature names something at a given point. |
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// A feature names something at a given point. |
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@ -57,19 +85,19 @@ message Rectangle { |
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// If a feature could not be named, the name is empty. |
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// If a feature could not be named, the name is empty. |
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message Feature { |
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message Feature { |
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// The name of the feature. |
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// The name of the feature. |
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optional string name = 1; |
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string name = 1; |
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// The point where the feature is detected. |
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// The point where the feature is detected. |
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optional Point location = 2; |
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Point location = 2; |
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} |
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} |
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// A RouteNote is a message sent while at a given point. |
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// A RouteNote is a message sent while at a given point. |
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message RouteNote { |
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message RouteNote { |
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// The location from which the message is sent. |
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// The location from which the message is sent. |
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optional Point location = 1; |
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Point location = 1; |
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// The message to be sent. |
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// The message to be sent. |
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optional string message = 2; |
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string message = 2; |
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} |
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} |
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// A RouteSummary is received in response to a RecordRoute rpc. |
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// A RouteSummary is received in response to a RecordRoute rpc. |
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@ -79,46 +107,14 @@ message RouteNote { |
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// the distance between each point. |
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// the distance between each point. |
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message RouteSummary { |
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message RouteSummary { |
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// The number of points received. |
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// The number of points received. |
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optional int32 point_count = 1; |
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int32 point_count = 1; |
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// The number of known features passed while traversing the route. |
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// The number of known features passed while traversing the route. |
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optional int32 feature_count = 2; |
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int32 feature_count = 2; |
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// The distance covered in metres. |
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// The distance covered in metres. |
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optional int32 distance = 3; |
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int32 distance = 3; |
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// The duration of the traversal in seconds. |
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// The duration of the traversal in seconds. |
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optional int32 elapsed_time = 4; |
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int32 elapsed_time = 4; |
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} |
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// Interface exported by the server |
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service RouteGuide { |
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// A simple RPC. |
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// |
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// Obtains the feature at a given position. |
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rpc GetFeature(Point) returns (Feature) { |
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} |
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// A server-to-client streaming RPC. |
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// |
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// Obtains the Features available within the given Rectangle. Results are |
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// streamed rather than returned at once (e.g. in a response message with a |
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|
|
|
// repeated field), as the rectangle may cover a large area and contain a |
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// huge number of features. |
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rpc ListFeatures(Rectangle) returns (stream Feature) { |
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} |
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// A client-to-server streaming RPC. |
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// |
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// Accepts a stream of Points on a route being traversed, returning a |
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// RouteSummary when traversal is completed. |
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rpc RecordRoute(stream Point) returns (RouteSummary) { |
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} |
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// A Bidirectional streaming RPC. |
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|
|
|
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// |
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|
|
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// Accepts a stream of RouteNotes sent while a route is being traversed, |
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// while receiving other RouteNotes (e.g. from other users). |
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|
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|
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rpc RouteChat(stream RouteNote) returns (stream RouteNote) { |
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} |
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} |
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} |
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