apollo-configuration 0.4.0

A typed, friendly configuration system for Apollo products.
Documentation 
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//! Support for IP address types in configuration.

use std::borrow::Cow;

use derive_more::{Deref, Display, From, FromStr};
use schemars::JsonSchema;
use serde::de::Deserializer;
use serde::{Deserialize, Serialize};

use crate::Validate;

// =============================================================================
// IpAddr
// =============================================================================

/// An IP address (v4 or v6) parsed from configuration.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Deref, From, FromStr, Display)]
pub struct IpAddr(std::net::IpAddr);

impl<'de> Deserialize<'de> for IpAddr {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        let s = String::deserialize(deserializer)?;
        s.parse().map_err(serde::de::Error::custom)
    }
}

impl Serialize for IpAddr {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: serde::Serializer,
    {
        self.0.to_string().serialize(serializer)
    }
}

impl JsonSchema for IpAddr {
    fn schema_name() -> Cow<'static, str> {
        Cow::Borrowed("IpAddr")
    }

    fn json_schema(generator: &mut schemars::SchemaGenerator) -> schemars::Schema {
        std::net::IpAddr::json_schema(generator)
    }
}

impl Validate for IpAddr {}

// =============================================================================
// Ipv4Addr
// =============================================================================

/// An IPv4 address parsed from configuration.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Deref, From, FromStr, Display)]
pub struct Ipv4Addr(std::net::Ipv4Addr);

impl<'de> Deserialize<'de> for Ipv4Addr {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        let s = String::deserialize(deserializer)?;
        s.parse().map_err(serde::de::Error::custom)
    }
}

impl Serialize for Ipv4Addr {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: serde::Serializer,
    {
        self.0.to_string().serialize(serializer)
    }
}

impl JsonSchema for Ipv4Addr {
    fn schema_name() -> Cow<'static, str> {
        Cow::Borrowed("Ipv4Addr")
    }

    fn json_schema(generator: &mut schemars::SchemaGenerator) -> schemars::Schema {
        std::net::Ipv4Addr::json_schema(generator)
    }
}

impl Validate for Ipv4Addr {}

// =============================================================================
// Ipv6Addr
// =============================================================================

/// An IPv6 address parsed from configuration.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Deref, From, FromStr, Display)]
pub struct Ipv6Addr(std::net::Ipv6Addr);

impl<'de> Deserialize<'de> for Ipv6Addr {
    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
    where
        D: Deserializer<'de>,
    {
        let s = String::deserialize(deserializer)?;
        s.parse().map_err(serde::de::Error::custom)
    }
}

impl Serialize for Ipv6Addr {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: serde::Serializer,
    {
        self.0.to_string().serialize(serializer)
    }
}

impl JsonSchema for Ipv6Addr {
    fn schema_name() -> Cow<'static, str> {
        Cow::Borrowed("Ipv6Addr")
    }

    fn json_schema(generator: &mut schemars::SchemaGenerator) -> schemars::Schema {
        std::net::Ipv6Addr::json_schema(generator)
    }
}

impl Validate for Ipv6Addr {}