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DTLS transport implementation including transport establishment and tunneling as well as UDP packet handling in the rust detector portion of the station.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,158 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "sync/atomic" | ||
|
|
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| cj "github.com/refraction-networking/conjure/pkg/station/lib" | ||
| ) | ||
|
|
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| var _ cj.ConnectingTpStats = &connStats{} | ||
|
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| type connectingCounts struct { | ||
| numCreatedConnecting int64 | ||
| numDialSuccessfulConnecting int64 | ||
| numListenSuccessfulConnecting int64 | ||
| numSuccessfulConnecting int64 | ||
| numTimeoutConnecting int64 | ||
| numAuthFailConnecting int64 | ||
| numOtherFailConnecting int64 | ||
| } | ||
|
|
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| func (c *connStats) AddCreatedConnecting(asn uint, cc string, tp string) { | ||
| atomic.AddInt64(&c.numCreatedConnecting, 1) | ||
|
|
||
| if isValidCC(cc) { | ||
| c.m.Lock() | ||
| defer c.m.Unlock() | ||
| if _, ok := c.v4geoIPMap[asn]; !ok { | ||
| // We haven't seen asn before, so add it to the map | ||
| c.v4geoIPMap[asn] = &asnCounts{} | ||
| c.v4geoIPMap[asn].cc = cc | ||
| } | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numCreatedConnecting, 1) | ||
| } | ||
| } | ||
|
|
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| func (c *connStats) AddCreatedToListenSuccessfulConnecting(asn uint, cc string, tp string) { | ||
| atomic.AddInt64(&c.numCreatedConnecting, -1) | ||
| atomic.AddInt64(&c.numListenSuccessfulConnecting, 1) | ||
|
|
||
| if isValidCC(cc) { | ||
| c.m.Lock() | ||
| defer c.m.Unlock() | ||
| if _, ok := c.v4geoIPMap[asn]; !ok { | ||
| // We haven't seen asn before, so add it to the map | ||
| c.v4geoIPMap[asn] = &asnCounts{} | ||
| c.v4geoIPMap[asn].cc = cc | ||
| } | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numCreatedConnecting, -1) | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numListenSuccessfulConnecting, 1) | ||
| } | ||
| } | ||
|
|
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| func (c *connStats) AddCreatedToDialSuccessfulConnecting(asn uint, cc string, tp string) { | ||
| atomic.AddInt64(&c.numCreatedConnecting, -1) | ||
| atomic.AddInt64(&c.numDialSuccessfulConnecting, 1) | ||
|
|
||
| if isValidCC(cc) { | ||
| c.m.Lock() | ||
| defer c.m.Unlock() | ||
| if _, ok := c.v4geoIPMap[asn]; !ok { | ||
| // We haven't seen asn before, so add it to the map | ||
| c.v4geoIPMap[asn] = &asnCounts{} | ||
| c.v4geoIPMap[asn].cc = cc | ||
| } | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numCreatedConnecting, -1) | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numDialSuccessfulConnecting, 1) | ||
| } | ||
| } | ||
|
|
||
| func (c *connStats) AddCreatedToSuccessfulConnecting(asn uint, cc string, tp string) { | ||
| atomic.AddInt64(&c.numCreatedConnecting, -1) | ||
| atomic.AddInt64(&c.numSuccessfulConnecting, 1) | ||
|
|
||
| if isValidCC(cc) { | ||
| c.m.Lock() | ||
| defer c.m.Unlock() | ||
| if _, ok := c.v4geoIPMap[asn]; !ok { | ||
| // We haven't seen asn before, so add it to the map | ||
| c.v4geoIPMap[asn] = &asnCounts{} | ||
| c.v4geoIPMap[asn].cc = cc | ||
| } | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numCreatedConnecting, -1) | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numSuccessfulConnecting, 1) | ||
| } | ||
| } | ||
|
|
||
| func (c *connStats) AddCreatedToTimeoutConnecting(asn uint, cc string, tp string) { | ||
| atomic.AddInt64(&c.numCreatedConnecting, -1) | ||
| atomic.AddInt64(&c.numTimeoutConnecting, 1) | ||
|
|
||
| if isValidCC(cc) { | ||
| c.m.Lock() | ||
| defer c.m.Unlock() | ||
| if _, ok := c.v4geoIPMap[asn]; !ok { | ||
| // We haven't seen asn before, so add it to the map | ||
| c.v4geoIPMap[asn] = &asnCounts{} | ||
| c.v4geoIPMap[asn].cc = cc | ||
| } | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numCreatedConnecting, -1) | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numTimeoutConnecting, 1) | ||
| } | ||
| } | ||
|
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| func (c *connStats) AddSuccessfulToDiscardedConnecting(asn uint, cc string, tp string) { | ||
| } | ||
|
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| func (c *connStats) AddAuthFailConnecting(asn uint, cc string, tp string) { | ||
| atomic.AddInt64(&c.numAuthFailConnecting, 1) | ||
|
|
||
| if isValidCC(cc) { | ||
| c.m.Lock() | ||
| defer c.m.Unlock() | ||
| if _, ok := c.v4geoIPMap[asn]; !ok { | ||
| // We haven't seen asn before, so add it to the map | ||
| c.v4geoIPMap[asn] = &asnCounts{} | ||
| c.v4geoIPMap[asn].cc = cc | ||
| } | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numAuthFailConnecting, 1) | ||
| } | ||
|
|
||
| } | ||
|
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| func (c *connStats) AddOtherFailConnecting(asn uint, cc string, tp string) { | ||
| atomic.AddInt64(&c.numOtherFailConnecting, 1) | ||
|
|
||
| if isValidCC(cc) { | ||
| c.m.Lock() | ||
| defer c.m.Unlock() | ||
| if _, ok := c.v4geoIPMap[asn]; !ok { | ||
| // We haven't seen asn before, so add it to the map | ||
| c.v4geoIPMap[asn] = &asnCounts{} | ||
| c.v4geoIPMap[asn].cc = cc | ||
| } | ||
| atomic.AddInt64(&c.v4geoIPMap[asn].numOtherFailConnecting, 1) | ||
| } | ||
|
|
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| } | ||
|
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| func (c *connStats) resetConnecting() { | ||
| c.connectingCounts = connectingCounts{} | ||
| } | ||
|
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| func (c *connectingCounts) string() string { | ||
| totalEndStates := atomic.LoadInt64(&c.numDialSuccessfulConnecting) + atomic.LoadInt64(&c.numListenSuccessfulConnecting) + atomic.LoadInt64(&c.numTimeoutConnecting) + atomic.LoadInt64(&c.numAuthFailConnecting) + atomic.LoadInt64(&c.numOtherFailConnecting) | ||
| if totalEndStates < 1 { | ||
| totalEndStates = 0 | ||
| } | ||
| return fmt.Sprintf("%d %d %d %d %d %d %d", | ||
| atomic.LoadInt64(&c.numCreatedConnecting), | ||
| atomic.LoadInt64(&c.numDialSuccessfulConnecting), | ||
| atomic.LoadInt64(&c.numListenSuccessfulConnecting), | ||
| atomic.LoadInt64(&c.numTimeoutConnecting), | ||
| atomic.LoadInt64(&c.numAuthFailConnecting), | ||
| atomic.LoadInt64(&c.numOtherFailConnecting), | ||
| totalEndStates, | ||
| ) | ||
| } |
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