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// // Copyright (C) 2018 Kubos Corporation // // Licensed under the Apache License, Version 2.0 (the "License") // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // // Contributed by: William Greer ([email protected]) and Sam Justice ([email protected]) // use failure::{Error, Fail}; /// This enum defines all errors that can occur within the `comms-service`. #[derive(Fail, Debug, PartialEq)] pub enum CommsServiceError { /// The mutex guarding the telemetry cache has been poisoned. #[fail(display = "The mutex guarding the telemetry cache has been poisoned.")] MutexPoisoned, /// A UDP header was unable to be correctly parsed. #[fail(display = "A UDP header was unable to be correctly parsed.")] HeaderParsing, /// The checksum of a UDP packet does not match the one found in the header. #[fail(display = "The checksum of a UDP packet does not match the one found in the header.")] InvalidChecksum, /// The number of `write` methods and the number of downlink ports are not the same. #[fail( display = "The number of write methods and the number of downlink ports are not the same." )] ParameterLengthMismatch, /// The read thread could not be started because a no `write()` method was specified. #[fail( display = "The read thread could not be started because no write method was specified." )] MissingWriteMethod, /// The endpoint thread could not be started because no `ground_port` was specified. #[fail( display = "The endpoint thread could not be started because no ground port was specified." )] MissingGroundPort, /// All of the ports allocated for handling packets are binded and unable to be used. #[fail(display = "All of the ports allocated for handling packets are binded.")] NoAvailablePorts, } /// Result returned by the `comms-service`. pub type CommsResult<T> = Result<T, Error>;