diff options
Diffstat (limited to 'pkg')
| -rw-r--r-- | pkg/syserr/netstack.go | 93 | ||||
| -rw-r--r-- | pkg/tcpip/tcpip.go | 5 |
2 files changed, 56 insertions, 42 deletions
diff --git a/pkg/syserr/netstack.go b/pkg/syserr/netstack.go index 5ae10939d..77c3c110c 100644 --- a/pkg/syserr/netstack.go +++ b/pkg/syserr/netstack.go @@ -15,6 +15,8 @@ package syserr import ( + "fmt" + "gvisor.dev/gvisor/pkg/abi/linux" "gvisor.dev/gvisor/pkg/tcpip" ) @@ -48,45 +50,56 @@ var ( ErrNotPermittedNet = New(tcpip.ErrNotPermitted.String(), linux.EPERM) ) -var netstackErrorTranslations = map[*tcpip.Error]*Error{ - tcpip.ErrUnknownProtocol: ErrUnknownProtocol, - tcpip.ErrUnknownNICID: ErrUnknownNICID, - tcpip.ErrUnknownDevice: ErrUnknownDevice, - tcpip.ErrUnknownProtocolOption: ErrUnknownProtocolOption, - tcpip.ErrDuplicateNICID: ErrDuplicateNICID, - tcpip.ErrDuplicateAddress: ErrDuplicateAddress, - tcpip.ErrNoRoute: ErrNoRoute, - tcpip.ErrBadLinkEndpoint: ErrBadLinkEndpoint, - tcpip.ErrAlreadyBound: ErrAlreadyBound, - tcpip.ErrInvalidEndpointState: ErrInvalidEndpointState, - tcpip.ErrAlreadyConnecting: ErrAlreadyConnecting, - tcpip.ErrAlreadyConnected: ErrAlreadyConnected, - tcpip.ErrNoPortAvailable: ErrNoPortAvailable, - tcpip.ErrPortInUse: ErrPortInUse, - tcpip.ErrBadLocalAddress: ErrBadLocalAddress, - tcpip.ErrClosedForSend: ErrClosedForSend, - tcpip.ErrClosedForReceive: ErrClosedForReceive, - tcpip.ErrWouldBlock: ErrWouldBlock, - tcpip.ErrConnectionRefused: ErrConnectionRefused, - tcpip.ErrTimeout: ErrTimeout, - tcpip.ErrAborted: ErrAborted, - tcpip.ErrConnectStarted: ErrConnectStarted, - tcpip.ErrDestinationRequired: ErrDestinationRequired, - tcpip.ErrNotSupported: ErrNotSupported, - tcpip.ErrQueueSizeNotSupported: ErrQueueSizeNotSupported, - tcpip.ErrNotConnected: ErrNotConnected, - tcpip.ErrConnectionReset: ErrConnectionReset, - tcpip.ErrConnectionAborted: ErrConnectionAborted, - tcpip.ErrNoSuchFile: ErrNoSuchFile, - tcpip.ErrInvalidOptionValue: ErrInvalidOptionValue, - tcpip.ErrNoLinkAddress: ErrHostDown, - tcpip.ErrBadAddress: ErrBadAddress, - tcpip.ErrNetworkUnreachable: ErrNetworkUnreachable, - tcpip.ErrMessageTooLong: ErrMessageTooLong, - tcpip.ErrNoBufferSpace: ErrNoBufferSpace, - tcpip.ErrBroadcastDisabled: ErrBroadcastDisabled, - tcpip.ErrNotPermitted: ErrNotPermittedNet, - tcpip.ErrAddressFamilyNotSupported: ErrAddressFamilyNotSupported, +var netstackErrorTranslations map[string]*Error + +func addErrMapping(tcpipErr *tcpip.Error, netstackErr *Error) { + key := tcpipErr.String() + if _, ok := netstackErrorTranslations[key]; ok { + panic(fmt.Sprintf("duplicate error key: %s", key)) + } + netstackErrorTranslations[key] = netstackErr +} + +func init() { + netstackErrorTranslations = make(map[string]*Error) + addErrMapping(tcpip.ErrUnknownProtocol, ErrUnknownProtocol) + addErrMapping(tcpip.ErrUnknownNICID, ErrUnknownNICID) + addErrMapping(tcpip.ErrUnknownDevice, ErrUnknownDevice) + addErrMapping(tcpip.ErrUnknownProtocolOption, ErrUnknownProtocolOption) + addErrMapping(tcpip.ErrDuplicateNICID, ErrDuplicateNICID) + addErrMapping(tcpip.ErrDuplicateAddress, ErrDuplicateAddress) + addErrMapping(tcpip.ErrNoRoute, ErrNoRoute) + addErrMapping(tcpip.ErrBadLinkEndpoint, ErrBadLinkEndpoint) + addErrMapping(tcpip.ErrAlreadyBound, ErrAlreadyBound) + addErrMapping(tcpip.ErrInvalidEndpointState, ErrInvalidEndpointState) + addErrMapping(tcpip.ErrAlreadyConnecting, ErrAlreadyConnecting) + addErrMapping(tcpip.ErrAlreadyConnected, ErrAlreadyConnected) + addErrMapping(tcpip.ErrNoPortAvailable, ErrNoPortAvailable) + addErrMapping(tcpip.ErrPortInUse, ErrPortInUse) + addErrMapping(tcpip.ErrBadLocalAddress, ErrBadLocalAddress) + addErrMapping(tcpip.ErrClosedForSend, ErrClosedForSend) + addErrMapping(tcpip.ErrClosedForReceive, ErrClosedForReceive) + addErrMapping(tcpip.ErrWouldBlock, ErrWouldBlock) + addErrMapping(tcpip.ErrConnectionRefused, ErrConnectionRefused) + addErrMapping(tcpip.ErrTimeout, ErrTimeout) + addErrMapping(tcpip.ErrAborted, ErrAborted) + addErrMapping(tcpip.ErrConnectStarted, ErrConnectStarted) + addErrMapping(tcpip.ErrDestinationRequired, ErrDestinationRequired) + addErrMapping(tcpip.ErrNotSupported, ErrNotSupported) + addErrMapping(tcpip.ErrQueueSizeNotSupported, ErrQueueSizeNotSupported) + addErrMapping(tcpip.ErrNotConnected, ErrNotConnected) + addErrMapping(tcpip.ErrConnectionReset, ErrConnectionReset) + addErrMapping(tcpip.ErrConnectionAborted, ErrConnectionAborted) + addErrMapping(tcpip.ErrNoSuchFile, ErrNoSuchFile) + addErrMapping(tcpip.ErrInvalidOptionValue, ErrInvalidOptionValue) + addErrMapping(tcpip.ErrNoLinkAddress, ErrHostDown) + addErrMapping(tcpip.ErrBadAddress, ErrBadAddress) + addErrMapping(tcpip.ErrNetworkUnreachable, ErrNetworkUnreachable) + addErrMapping(tcpip.ErrMessageTooLong, ErrMessageTooLong) + addErrMapping(tcpip.ErrNoBufferSpace, ErrNoBufferSpace) + addErrMapping(tcpip.ErrBroadcastDisabled, ErrBroadcastDisabled) + addErrMapping(tcpip.ErrNotPermitted, ErrNotPermittedNet) + addErrMapping(tcpip.ErrAddressFamilyNotSupported, ErrAddressFamilyNotSupported) } // TranslateNetstackError converts an error from the tcpip package to a sentry @@ -95,7 +108,7 @@ func TranslateNetstackError(err *tcpip.Error) *Error { if err == nil { return nil } - se, ok := netstackErrorTranslations[err] + se, ok := netstackErrorTranslations[err.String()] if !ok { panic("Unknown error: " + err.String()) } diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go index 2bd472811..23e597365 100644 --- a/pkg/tcpip/tcpip.go +++ b/pkg/tcpip/tcpip.go @@ -49,8 +49,9 @@ const ipv4AddressSize = 4 // Error represents an error in the netstack error space. Using a special type // ensures that errors outside of this space are not accidentally introduced. // -// Note: to support save / restore, it is important that all tcpip errors have -// distinct error messages. +// All errors must have unique msg strings. +// +// +stateify savable type Error struct { msg string |