dnp3 1.6.0

Rust implementation of DNP3 (IEEE 1815) with idiomatic bindings for C, C++, .NET, and Java
Documentation 
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use crate::app::format::write::HeaderWriter;
use crate::app::parse::parser::Response;
use crate::app::FunctionCode;
use crate::master::association::Association;
use crate::master::error::TaskError;
use crate::master::request::EventClasses;
use crate::master::tasks::{AppTask, NonReadTask, Task};

#[derive(Clone)]
pub(crate) enum AutoTask {
    ClearRestartBit,
    EnableUnsolicited(EventClasses),
    DisableUnsolicited(EventClasses),
}

impl AutoTask {
    pub(crate) fn wrap(self) -> Task {
        Task::App(AppTask::NonRead(NonReadTask::Auto(self)))
    }

    pub(crate) fn write(&self, writer: &mut HeaderWriter) -> Result<(), scursor::WriteError> {
        match self {
            AutoTask::ClearRestartBit => writer.write_clear_restart(),
            AutoTask::EnableUnsolicited(classes) => classes.write(writer),
            AutoTask::DisableUnsolicited(classes) => classes.write(writer),
        }
    }

    pub(crate) fn function(&self) -> FunctionCode {
        match self {
            AutoTask::ClearRestartBit => FunctionCode::Write,
            AutoTask::EnableUnsolicited(_) => FunctionCode::EnableUnsolicited,
            AutoTask::DisableUnsolicited(_) => FunctionCode::DisableUnsolicited,
        }
    }

    pub(crate) fn description(&self) -> &'static str {
        match self {
            AutoTask::ClearRestartBit => "clear restart IIN bit",
            AutoTask::EnableUnsolicited(_) => "enable unsolicited reporting",
            AutoTask::DisableUnsolicited(_) => "disable unsolicited reporting",
        }
    }

    pub(crate) fn handle(
        self,
        association: &mut Association,
        response: Response<'_>,
    ) -> Result<Option<NonReadTask>, TaskError> {
        if !response.raw_objects.is_empty() {
            tracing::warn!("ignoring object headers in reply to {}", self.description());
        }

        match &self {
            AutoTask::DisableUnsolicited(_) => {
                association.on_disable_unsolicited_response(response.header.iin);
            }
            AutoTask::EnableUnsolicited(_) => {
                association.on_enable_unsolicited_response(response.header.iin);
            }
            AutoTask::ClearRestartBit => {
                association.on_clear_restart_iin_response(response.header.iin);
            }
        };

        Ok(None)
    }

    pub(crate) fn on_task_error(self, association: Option<&mut Association>, err: TaskError) {
        let association = match association {
            None => return,
            Some(x) => x,
        };

        if let TaskError::RejectedByIin2(iin) = err {
            tracing::warn!("Auto task '{}' rejected by outstation IIN.2: {}. Check your outstation configuration?", self.description(), iin.iin2);

            match &self {
                AutoTask::ClearRestartBit => association.on_clear_restart_iin_response(iin),
                AutoTask::EnableUnsolicited(_) => association.on_enable_unsolicited_response(iin),
                AutoTask::DisableUnsolicited(_) => association.on_disable_unsolicited_response(iin),
            };

            return;
        }

        match &self {
            AutoTask::DisableUnsolicited(_) => {
                association.on_disable_unsolicited_failure();
            }
            AutoTask::EnableUnsolicited(_) => {
                association.on_enable_unsolicited_failure();
            }
            AutoTask::ClearRestartBit => {
                association.on_clear_restart_iin_failure();
            }
        }
    }
}