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fix race condition in updConn

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fixes #345
This commit is contained in:
Marten Seemann 2016-11-02 19:24:48 +07:00
parent ca80df28d8
commit 877f62505f
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GPG key ID: 3603F40B121FCDEA
1 changed files with 12 additions and 2 deletions
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14
udp_conn.go
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@ -1,6 +1,9 @@
package quic
import "net"
import (
"net"
"sync"
)
type connection interface {
write([]byte) error
@ -9,6 +12,8 @@ type connection interface {
}
type udpConn struct {
mutex sync.RWMutex
conn *net.UDPConn
currentAddr *net.UDPAddr
}
@ -21,9 +26,14 @@ func (c *udpConn) write(p []byte) error {
}
func (c *udpConn) setCurrentRemoteAddr(addr interface{}) {
c.mutex.Lock()
c.currentAddr = addr.(*net.UDPAddr)
c.mutex.Unlock()
}
func (c *udpConn) RemoteAddr() *net.UDPAddr {
return c.currentAddr
c.mutex.RLock()
addr := c.currentAddr
c.mutex.RUnlock()
return addr
}