cwinfo/yggdrasil-go
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a little cleanup to Conn functions

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This commit is contained in:
Arceliar 2019-08-03 22:07:38 -05:00
parent 5dfc71e1ee
commit 72ed541bf3
1 changed files with 19 additions and 17 deletions
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36
src/yggdrasil/conn.go
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@ -82,7 +82,7 @@ func (c *Conn) String() string {
return fmt.Sprintf("conn=%p", c)
}
// This should never be called from the router goroutine
// This should never be called from the router goroutine, used in the dial functions
func (c *Conn) search() error {
var sinfo *searchInfo
var isIn bool
@ -122,6 +122,23 @@ func (c *Conn) search() error {
return nil
}
// Used in session keep-alive traffic in Conn.Write
func (c *Conn) doSearch() {
routerWork := func() {
// Check to see if there is a search already matching the destination
sinfo, isIn := c.core.searches.searches[*c.nodeID]
if !isIn {
// Nothing was found, so create a new search
searchCompleted := func(sinfo *sessionInfo, e error) {}
sinfo = c.core.searches.newIterSearch(c.nodeID, c.nodeMask, searchCompleted)
c.core.log.Debugf("%s DHT search started: %p", c.String(), sinfo)
}
// Continue the search
sinfo.continueSearch()
}
go func() { c.core.router.admin <- routerWork }()
}
func (c *Conn) getDeadlineCancellation(value *atomic.Value) util.Cancellation {
if deadline, ok := value.Load().(time.Time); ok {
// A deadline is set, so return a Cancellation that uses it
@ -173,26 +190,11 @@ func (c *Conn) Write(b []byte) (bytesWritten int, err error) {
return
}
// The rest of this work is session keep-alive traffic
doSearch := func() {
routerWork := func() {
// Check to see if there is a search already matching the destination
sinfo, isIn := c.core.searches.searches[*c.nodeID]
if !isIn {
// Nothing was found, so create a new search
searchCompleted := func(sinfo *sessionInfo, e error) {}
sinfo = c.core.searches.newIterSearch(c.nodeID, c.nodeMask, searchCompleted)
c.core.log.Debugf("%s DHT search started: %p", c.String(), sinfo)
}
// Continue the search
sinfo.continueSearch()
}
go func() { c.core.router.admin <- routerWork }()
}
switch {
case time.Since(sinfo.time) > 6*time.Second:
if sinfo.time.Before(sinfo.pingTime) && time.Since(sinfo.pingTime) > 6*time.Second {
// TODO double check that the above condition is correct
doSearch()
c.doSearch()
} else {
sinfo.core.sessions.ping(sinfo)
}