src/node/examples/stock.proto

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syntax = "proto3";

package examples;

// Protocol type definitions
message StockRequest {
  optional string symbol = 1;
  optional int32 num_trades_to_watch = 2 [default=0];
}

message StockReply {
  optional float price = 1;
  optional string symbol = 2;
}


// Interface exported by the server
service Stock {
  // Simple blocking RPC
  rpc GetLastTradePrice(StockRequest) returns (StockReply) {
  }
  // Bidirectional streaming RPC
  rpc GetLastTradePriceMultiple(stream StockRequest) returns
    (stream StockReply) {
  }
  // Unidirectional server-to-client streaming RPC
  rpc WatchFutureTrades(StockRequest) returns (stream StockReply) {
  }
  // Unidirectional client-to-server streaming RPC
  rpc GetHighestTradePrice(stream StockRequest) returns (StockReply) {
  }

}