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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
extern crate url;
use self::url::Host;
use error::SdpParserInternalError;
use std::convert::TryFrom;
use std::fmt;
use std::net::{IpAddr, Ipv4Addr, Ipv6Addr};
use std::str::FromStr;
#[derive(Clone, Debug)]
#[cfg_attr(feature = "serialize", derive(Serialize))]
pub enum Address {
Fqdn(String),
Ip(IpAddr),
}
impl fmt::Display for Address {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
Address::Fqdn(fqdn) => fqdn.fmt(f),
Address::Ip(ip) => ip.fmt(f),
}
}
}
impl FromStr for Address {
type Err = SdpParserInternalError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let mut e: Option<SdpParserInternalError> = None;
if s.find(':').is_some() {
match IpAddr::from_str(s) {
Ok(ip) => return Ok(Address::Ip(ip)),
Err(err) => e = Some(err.into()),
}
}
Host::parse(s)
.map(|host| match host {
Host::Domain(s) => Address::Fqdn(s),
Host::Ipv4(ip) => Address::Ip(IpAddr::V4(ip)),
Host::Ipv6(ip) => Address::Ip(IpAddr::V6(ip)),
})
.map_err(|err| e.unwrap_or_else(|| err.into()))
}
}
impl From<ExplicitlyTypedAddress> for Address {
fn from(item: ExplicitlyTypedAddress) -> Self {
match item {
ExplicitlyTypedAddress::Fqdn { domain, .. } => Address::Fqdn(domain),
ExplicitlyTypedAddress::Ip(ip) => Address::Ip(ip),
}
}
}
impl PartialEq for Address {
fn eq(&self, other: &Self) -> bool {
match (self, other) {
(Address::Fqdn(a), Address::Fqdn(b)) => a.to_lowercase() == b.to_lowercase(),
(Address::Ip(a), Address::Ip(b)) => a == b,
(_, _) => false,
}
}
}
#[derive(Clone, Copy, PartialEq, Debug)]
#[cfg_attr(feature = "serialize", derive(Serialize))]
pub enum AddressType {
IpV4 = 4,
IpV6 = 6,
}
impl fmt::Display for AddressType {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self {
AddressType::IpV4 => "IP4",
AddressType::IpV6 => "IP6",
}
.fmt(f)
}
}
impl FromStr for AddressType {
type Err = SdpParserInternalError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s.to_uppercase().as_str() {
"IP4" => Ok(AddressType::IpV4),
"IP6" => Ok(AddressType::IpV6),
_ => Err(SdpParserInternalError::UnknownAddressType(s.to_owned())),
}
}
}
pub trait AddressTyped {
fn address_type(&self) -> AddressType;
}
impl AddressTyped for IpAddr {
fn address_type(&self) -> AddressType {
match self {
IpAddr::V4(_) => AddressType::IpV4,
IpAddr::V6(_) => AddressType::IpV6,
}
}
}
#[derive(Clone, Debug)]
#[cfg_attr(feature = "serialize", derive(Serialize))]
pub enum ExplicitlyTypedAddress {
Fqdn {
address_type: AddressType,
domain: String,
},
Ip(IpAddr),
}
impl fmt::Display for ExplicitlyTypedAddress {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "IN {} ", self.address_type())?;
match self {
ExplicitlyTypedAddress::Fqdn { domain, .. } => domain.fmt(f),
ExplicitlyTypedAddress::Ip(ip) => ip.fmt(f),
}
}
}
impl AddressTyped for ExplicitlyTypedAddress {
fn address_type(&self) -> AddressType {
match self {
ExplicitlyTypedAddress::Fqdn { address_type, .. } => *address_type,
ExplicitlyTypedAddress::Ip(ip) => ip.address_type(),
}
}
}
impl From<IpAddr> for ExplicitlyTypedAddress {
fn from(item: IpAddr) -> Self {
ExplicitlyTypedAddress::Ip(item)
}
}
impl From<Ipv4Addr> for ExplicitlyTypedAddress {
fn from(item: Ipv4Addr) -> Self {
ExplicitlyTypedAddress::Ip(IpAddr::V4(item))
}
}
impl From<Ipv6Addr> for ExplicitlyTypedAddress {
fn from(item: Ipv6Addr) -> Self {
ExplicitlyTypedAddress::Ip(IpAddr::V6(item))
}
}
impl TryFrom<(AddressType, &str)> for ExplicitlyTypedAddress {
type Error = SdpParserInternalError;
fn try_from(item: (AddressType, &str)) -> Result<Self, Self::Error> {
match Address::from_str(item.1)? {
Address::Ip(ip) => {
if ip.address_type() != item.0 {
Err(SdpParserInternalError::AddressTypeMismatch {
found: ip.address_type(),
expected: item.0,
})
} else {
Ok(ExplicitlyTypedAddress::Ip(ip))
}
}
Address::Fqdn(domain) => Ok(ExplicitlyTypedAddress::Fqdn {
address_type: item.0,
domain,
}),
}
}
}
impl PartialEq for ExplicitlyTypedAddress {
fn eq(&self, other: &Self) -> bool {
match (self, other) {
(
ExplicitlyTypedAddress::Fqdn {
address_type: a1,
domain: d1,
},
ExplicitlyTypedAddress::Fqdn {
address_type: a2,
domain: d2,
},
) => a1 == a2 && d1.to_lowercase() == d2.to_lowercase(),
(ExplicitlyTypedAddress::Ip(a), ExplicitlyTypedAddress::Ip(b)) => a == b,
(_, _) => false,
}
}
}
#[cfg(test)]
#[path = "./address_tests.rs"]
mod address_tests;
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