diff options
Diffstat (limited to 'internal/failover/ping.go')
| -rw-r--r-- | internal/failover/ping.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/internal/failover/ping.go b/internal/failover/ping.go index 3b5faa8..59dbcc9 100644 --- a/internal/failover/ping.go +++ b/internal/failover/ping.go @@ -13,12 +13,14 @@ import ( // mtuOverhead defines the total MTU overhead for an ICMP ECHO message: 20 bytes IP header + 8 bytes ICMP header var mtuOverhead = 28 +// Pinger sends pings type Pinger struct { listener net.PacketConn buffer []byte gateway net.Addr } +// Read reads from the ping listener with deadline `deadline` func (p Pinger) Read(deadline time.Time) error { // First set the deadline to read err := p.listener.SetReadDeadline(deadline) @@ -43,6 +45,7 @@ func (p Pinger) Read(deadline time.Time) error { } } +// Send sends a single ping func (p Pinger) Send(seq int) error { errorMessage := fmt.Sprintf("failed sending ping, seq %d", seq) // Make a new ICMP message |