sctp-async 0.0.0

Async implementation for the SCTP protocol
Documentation 
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use std::fmt;

/// paramType represents a SCTP INIT/INITACK parameter
#[derive(Debug, Copy, Clone, PartialEq)]
#[repr(C)]
pub(crate) enum ParamType {
    HeartbeatInfo = 1,
    /// Heartbeat Info [RFCRFC4960]
    Ipv4Addr = 5,
    /// IPv4 IP [RFCRFC4960]
    Ipv6Addr = 6,
    /// IPv6 IP [RFCRFC4960]
    StateCookie = 7,
    /// State Cookie [RFCRFC4960]
    UnrecognizedParam = 8,
    /// Unrecognized Parameters [RFCRFC4960]
    CookiePreservative = 9,
    /// Cookie Preservative [RFCRFC4960]
    HostNameAddr = 11,
    /// Host Name IP [RFCRFC4960]
    SupportedAddrTypes = 12,
    /// Supported IP Types [RFCRFC4960]
    OutSsnResetReq = 13,
    /// Outgoing SSN Reset Request Parameter [RFCRFC6525]
    IncSsnResetReq = 14,
    /// Incoming SSN Reset Request Parameter [RFCRFC6525]
    SsnTsnResetReq = 15,
    /// SSN/TSN Reset Request Parameter [RFCRFC6525]
    ReconfigResp = 16,
    /// Re-configuration Response Parameter [RFCRFC6525]
    AddOutStreamsReq = 17,
    /// Add Outgoing Streams Request Parameter [RFCRFC6525]
    AddIncStreamsReq = 18,
    /// Add Incoming Streams Request Parameter [RFCRFC6525]
    Random = 32770,
    /// Random (0x8002) [RFCRFC4805]
    ChunkList = 32771,
    /// Chunk List (0x8003) [RFCRFC4895]
    ReqHmacAlgo = 32772,
    /// Requested HMAC Algorithm Parameter (0x8004) [RFCRFC4895]
    Padding = 32773,
    /// Padding (0x8005)
    SupportedExt = 32776,
    /// Supported Extensions (0x8008) [RFCRFC5061]
    ForwardTsnSupp = 49152,
    /// Forward TSN supported (0xC000) [RFCRFC3758]
    AddIpAddr = 49153,
    /// Add IP IP (0xC001) [RFCRFC5061]
    DelIpaddr = 49154,
    /// Delete IP IP (0xC002) [RFCRFC5061]
    ErrClauseInd = 49155,
    /// Error Cause Indication (0xC003) [RFCRFC5061]
    SetPriAddr = 49156,
    /// Set Primary IP (0xC004) [RFCRFC5061]
    SuccessInd = 49157,
    /// Success Indication (0xC005) [RFCRFC5061]
    AdaptLayerInd = 49158,
    /// Adaptation Layer Indication (0xC006) [RFCRFC5061]
    Unknown,
}

impl Default for ParamType {
    fn default() -> Self {
        ParamType::Unknown
    }
}

impl fmt::Display for ParamType {
    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
        let s = match *self {
            ParamType::HeartbeatInfo => "Heartbeat Info",
            ParamType::Ipv4Addr => "IPv4 IP",
            ParamType::Ipv6Addr => "IPv6 IP",
            ParamType::StateCookie => "State Cookie",
            ParamType::UnrecognizedParam => "Unrecognized Parameters",
            ParamType::CookiePreservative => "Cookie Preservative",
            ParamType::HostNameAddr => "Host Name IP",
            ParamType::SupportedAddrTypes => "Supported IP Types",
            ParamType::OutSsnResetReq => "Outgoing SSN Reset Request Parameter",
            ParamType::IncSsnResetReq => "Incoming SSN Reset Request Parameter",
            ParamType::SsnTsnResetReq => "SSN/TSN Reset Request Parameter",
            ParamType::ReconfigResp => "Re-configuration Response Parameter",
            ParamType::AddOutStreamsReq => "Add Outgoing Streams Request Parameter",
            ParamType::AddIncStreamsReq => "Add Incoming Streams Request Parameter",
            ParamType::Random => "Random",
            ParamType::ChunkList => "Chunk List",
            ParamType::ReqHmacAlgo => "Requested HMAC Algorithm Parameter",
            ParamType::Padding => "Padding",
            ParamType::SupportedExt => "Supported Extensions",
            ParamType::ForwardTsnSupp => "Forward TSN supported",
            ParamType::AddIpAddr => "Add IP IP",
            ParamType::DelIpaddr => "Delete IP IP",
            ParamType::ErrClauseInd => "Error Cause Indication",
            ParamType::SetPriAddr => "Set Primary IP",
            ParamType::SuccessInd => "Success Indication",
            ParamType::AdaptLayerInd => "Adaptation Layer Indication",
            _ => "Unknown ParamType",
        };
        write!(f, "{}", s)
    }
}

impl From<u16> for ParamType {
    fn from(v: u16) -> ParamType {
        match v {
            1 => ParamType::HeartbeatInfo,
            5 => ParamType::Ipv4Addr,
            6 => ParamType::Ipv6Addr,
            7 => ParamType::StateCookie,
            8 => ParamType::UnrecognizedParam,
            9 => ParamType::CookiePreservative,
            11 => ParamType::HostNameAddr,
            12 => ParamType::SupportedAddrTypes,
            13 => ParamType::OutSsnResetReq,
            14 => ParamType::IncSsnResetReq,
            15 => ParamType::SsnTsnResetReq,
            16 => ParamType::ReconfigResp,
            17 => ParamType::AddOutStreamsReq,
            18 => ParamType::AddIncStreamsReq,
            32770 => ParamType::Random,
            32771 => ParamType::ChunkList,
            32772 => ParamType::ReqHmacAlgo,
            32773 => ParamType::Padding,
            32776 => ParamType::SupportedExt,
            49152 => ParamType::ForwardTsnSupp,
            49153 => ParamType::AddIpAddr,
            49154 => ParamType::DelIpaddr,
            49155 => ParamType::ErrClauseInd,
            49156 => ParamType::SetPriAddr,
            49157 => ParamType::SuccessInd,
            _ => ParamType::Unknown,
        }
    }
}