54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
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/*
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Copyright 2016 The Smudge Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package smudge
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type messageVerb byte
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const (
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// VerbPing represents a simple ping. If this ping is not responded to with
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// an ack within a timeout period, the pinging host will attempt to ping
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// indirectly via one or more additional hosts with a ping request.
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verbPing messageVerb = iota
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// VerbAck represents a response to a ping request.
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verbAck
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// VerbPingRequest represents a request made by one host to another to ping
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// a third host whose live status is in question.
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verbPingRequest
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// VerbNonForwardingPing represents a ping in response to a ping request.
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// If the ping times out, the host does not follow up with a ping request
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// to any other hosts.
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verbNonForwardingPing
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)
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func (v messageVerb) String() string {
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switch v {
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case verbPing:
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return "PING"
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case verbAck:
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return "ACK"
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case verbPingRequest:
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return "PINGREQ"
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case verbNonForwardingPing:
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return "NFPING"
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default:
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return "UNDEFINED"
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}
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}
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