mirror of
https://github.com/kaspanet/kaspad.git
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fb11981da1
* Add request_types and their help * Added command parser * Updated main to use command if it's specified * Some progress in making everything work * Fix command parser for pointers to structs * Cleanup code * Enhance usage text * Fixed typo * Some minor style fixing, and remove temporary code * Correctly fallthrough in stringToValue unsupported types Co-authored-by: stasatdaglabs <39559713+stasatdaglabs@users.noreply.github.com>
47 lines
2.0 KiB
Go
47 lines
2.0 KiB
Go
package main
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import (
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"reflect"
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"unicode"
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"github.com/kaspanet/kaspad/infrastructure/network/netadapter/server/grpcserver/protowire"
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)
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// protobuf generates the command types with two types:
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// 1. A concrete type that holds the fields of the command bearing the name of the command with `RequestMessage` as suffix
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// 2. A wrapper that implements isKaspadMessage_Payload, having a single field pointing to the concrete command
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// bearing the name of the command with `KaspadMessage_` prefix and `Request` suffix
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// unwrapCommandType converts a reflect.Type signifying a wrapper type into the concrete request type
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func unwrapCommandType(requestTypeWrapped reflect.Type) reflect.Type {
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return requestTypeWrapped.Field(0).Type.Elem()
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}
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// unwrapCommandValue convertes a reflect.Value of a pointer to a wrapped command into a concrete command
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func unwrapCommandValue(commandValueWrapped reflect.Value) reflect.Value {
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return commandValueWrapped.Elem().Field(0)
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}
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// isFieldExported returns true if the given field is exported.
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// Currently the only way to check this is to check if the first rune in the field's name is upper case.
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func isFieldExported(field reflect.StructField) bool {
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return unicode.IsUpper(rune(field.Name[0]))
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}
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// generateKaspadMessage generates a wrapped KaspadMessage with the given `commandValue`
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func generateKaspadMessage(commandValue reflect.Value, commandDesc *commandDescription) (*protowire.KaspadMessage, error) {
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commandWrapper := reflect.New(commandDesc.typeof)
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unwrapCommandValue(commandWrapper).Set(commandValue)
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kaspadMessage := reflect.New(reflect.TypeOf(protowire.KaspadMessage{}))
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kaspadMessage.Elem().FieldByName("Payload").Set(commandWrapper)
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return kaspadMessage.Interface().(*protowire.KaspadMessage), nil
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}
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// pointerToValue returns a reflect.Value that represents a pointer to the given value
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func pointerToValue(valuePointedTo reflect.Value) reflect.Value {
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pointer := reflect.New(valuePointedTo.Type())
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pointer.Elem().Set(valuePointedTo)
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return pointer
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}
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