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dhcp4: make it required for Conn.RecvDHCP to return interface information.

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As it turns out, it's fairly difficult to do anything useful with DHCP
without this information, and the Conn implementations I can think of
all provide the information, so we might as well make it a requirement.
This commit is contained in:
David Anderson 2016-08-10 21:39:05 -07:00
parent 2b4d1e8101
commit 6766b5ca59
1 changed files with 1 additions and 2 deletions
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3
dhcp4/conn.go
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@ -89,8 +89,7 @@ func (c *Conn) Close() error {
} }
// RecvDHCP reads a Packet from the connection. It returns the // RecvDHCP reads a Packet from the connection. It returns the
// packet and the interface it was received on, which may be nil // packet and the interface it was received on.
// if interface information cannot be obtained.
func (c *Conn) RecvDHCP() (*Packet, *net.Interface, error) { func (c *Conn) RecvDHCP() (*Packet, *net.Interface, error) {
var buf [1500]byte var buf [1500]byte
for { for {