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adam.huang
go-libp2p
Commits
ec8044c7
Commit
ec8044c7
authored
8 years ago
by
Jeromy Johnson
Committed by
GitHub
8 years ago
Browse files
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Merge pull request #69 from ipfs/fix/nat-cache-sync
fix minor race condition in nat detection code
parents
5100dcec
eca66a88
master
2018-Q4-OKR
docs-improvements
feat/backoff-listing
feat/p2p-multiaddr
feat/pnet/working3
feat/protobuf
feat/relay-integrate
feat/udp
feat/update/go-reuseport
feature/standardize-readme
fix/473
fix/no-custom-field
fix/reset-ping-stream
fix/revert-correct-external-addr
gx/update-jccl6u
gx/update-nza0mn
jenkinsfile
kevina/fix-go-vet
multistream-ping
punching
revert-276-update-go-detect-race
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Changes
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1 changed file
p2p/nat/nat.go
+9
-2
p2p/nat/nat.go
with
9 additions
and
2 deletions
+9
-2
p2p/nat/nat.go
View file @
ec8044c7
...
...
@@ -164,6 +164,7 @@ type mapping struct {
cached
ma
.
Multiaddr
cacheTime
time
.
Time
cacheLk
sync
.
Mutex
}
func
(
m
*
mapping
)
NAT
()
*
NAT
{
...
...
@@ -203,8 +204,12 @@ func (m *mapping) InternalAddr() ma.Multiaddr {
}
func
(
m
*
mapping
)
ExternalAddr
()
(
ma
.
Multiaddr
,
error
)
{
if
time
.
Now
()
.
Sub
(
m
.
cacheTime
)
<
CacheTime
{
return
m
.
cached
,
nil
m
.
cacheLk
.
Lock
()
ctime
:=
m
.
cacheTime
cval
:=
m
.
cached
m
.
cacheLk
.
Unlock
()
if
time
.
Now
()
.
Sub
(
ctime
)
<
CacheTime
{
return
cval
,
nil
}
if
m
.
ExternalPort
()
==
0
{
// dont even try right now.
...
...
@@ -234,8 +239,10 @@ func (m *mapping) ExternalAddr() (ma.Multiaddr, error) {
maddr2
:=
ipmaddr
.
Encapsulate
(
tcp
)
m
.
cacheLk
.
Lock
()
m
.
cached
=
maddr2
m
.
cacheTime
=
time
.
Now
()
m
.
cacheLk
.
Unlock
()
return
maddr2
,
nil
}
...
...
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