first commit

service/v1/service.proto

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+syntax = "proto3";
+
+package service.v1;
+
+option go_package = "protolab/gen/service/v1;servicev1";
+
+message TelemetryData {
+  string device_id = 1;
+  int64 timestamp = 2;
+  double temperature = 3;
+  int32 battery_level = 4;
+}
+
+message PingRequest {
+  int64 timestamp = 1;
+}
+
+message RequestWrapper {
+  oneof payload {
+    TelemetryData send_telemetry = 1;
+    PingRequest ping = 2;
+  }
+}
+
+message TelemetryResponse {
+  enum ResultCode {
+    RESULT_CODE_UNSPECIFIED = 0;
+    RESULT_CODE_SUCCEEDED = 1;
+    RESULT_CODE_FAILED = 2;
+  }
+  ResultCode result_code = 1;
+}
+
+message PingResponse {
+  int64 server_timestamp = 1;
+}
+
+message ResponseWrapper {
+  oneof payload {
+    TelemetryResponse telemetry_resp = 1;
+    PingResponse ping_resp = 2;
+  }
+}