mirror of
https://github.com/impact-eintr/netstack.git
synced 2025-10-09 06:40:06 +08:00
57 lines
2.0 KiB
Go
57 lines
2.0 KiB
Go
//go:build linux
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// +build linux
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package rawfile
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import (
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"fmt"
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"syscall"
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"netstack/tcpip"
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)
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const maxErrno = 134
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var translations [maxErrno]*tcpip.Error
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// TranslateErrno translate an errno from the syscall package into a
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// *tcpip.Error.
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//
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// Valid, but unreconigized errnos will be translated to
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// tcpip.ErrInvalidEndpointState (EINVAL). Panics on invalid errnos.
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func TranslateErrno(e syscall.Errno) *tcpip.Error {
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if err := translations[e]; err != nil {
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return err
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}
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return tcpip.ErrInvalidEndpointState
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}
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func addTranslation(host syscall.Errno, trans *tcpip.Error) {
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if translations[host] != nil {
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panic(fmt.Sprintf("duplicate translation for host errno %q (%d)", host.Error(), host))
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}
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translations[host] = trans
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}
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func init() {
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addTranslation(syscall.EEXIST, tcpip.ErrDuplicateAddress)
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addTranslation(syscall.ENETUNREACH, tcpip.ErrNoRoute)
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addTranslation(syscall.EINVAL, tcpip.ErrInvalidEndpointState)
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addTranslation(syscall.EALREADY, tcpip.ErrAlreadyConnecting)
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addTranslation(syscall.EISCONN, tcpip.ErrAlreadyConnected)
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addTranslation(syscall.EADDRINUSE, tcpip.ErrPortInUse)
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addTranslation(syscall.EADDRNOTAVAIL, tcpip.ErrBadLocalAddress)
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addTranslation(syscall.EPIPE, tcpip.ErrClosedForSend)
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addTranslation(syscall.EWOULDBLOCK, tcpip.ErrWouldBlock)
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addTranslation(syscall.ECONNREFUSED, tcpip.ErrConnectionRefused)
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addTranslation(syscall.ETIMEDOUT, tcpip.ErrTimeout)
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addTranslation(syscall.EINPROGRESS, tcpip.ErrConnectStarted)
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addTranslation(syscall.EDESTADDRREQ, tcpip.ErrDestinationRequired)
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addTranslation(syscall.ENOTSUP, tcpip.ErrNotSupported)
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addTranslation(syscall.ENOTTY, tcpip.ErrQueueSizeNotSupported)
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addTranslation(syscall.ENOTCONN, tcpip.ErrNotConnected)
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addTranslation(syscall.ECONNRESET, tcpip.ErrConnectionReset)
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addTranslation(syscall.ECONNABORTED, tcpip.ErrConnectionAborted)
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addTranslation(syscall.EMSGSIZE, tcpip.ErrMessageTooLong)
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addTranslation(syscall.ENOBUFS, tcpip.ErrNoBufferSpace)
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}
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