cwinfo/yggdrasil-go
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Merge pull request #428 from Arceliar/readerror

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Conn.Read don't return useless errors
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Arceliar 2019-05-31 17:56:53 -05:00 committed by GitHub
commit cab4b5f793
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1 changed files with 55 additions and 50 deletions
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7
src/yggdrasil/conn.go
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@ -191,6 +191,7 @@ func (c *Conn) Read(b []byte) (int, error) {
return 0, errors.New("search failed") return 0, errors.New("search failed")
} }
} }
for {
// Wait for some traffic to come through from the session // Wait for some traffic to come through from the session
select { select {
case <-timer.C: case <-timer.C:
@ -216,7 +217,7 @@ func (c *Conn) Read(b []byte) (int, error) {
// Check if we were unable to decrypt the packet for some reason and // Check if we were unable to decrypt the packet for some reason and
// return an error if we couldn't // return an error if we couldn't
if !isOK { if !isOK {
err = errors.New("packet dropped due to decryption failure") err = ConnError{errors.New("packet dropped due to decryption failure"), false, true, 0}
return return
} }
// Return the newly decrypted buffer back to the slice we were given // Return the newly decrypted buffer back to the slice we were given
@ -239,12 +240,16 @@ func (c *Conn) Read(b []byte) (int, error) {
<-done // Wait for the worker to finish, failing this can cause memory errors (util.[Get||Put]Bytes stuff) <-done // Wait for the worker to finish, failing this can cause memory errors (util.[Get||Put]Bytes stuff)
// Something went wrong in the session worker so abort // Something went wrong in the session worker so abort
if err != nil { if err != nil {
if ce, ok := err.(*ConnError); ok && ce.Temporary() {
continue
}
return 0, err return 0, err
} }
// If we've reached this point then everything went to plan, return the // If we've reached this point then everything went to plan, return the
// number of bytes we populated back into the given slice // number of bytes we populated back into the given slice
return len(b), nil return len(b), nil
} }
}
} }
func (c *Conn) Write(b []byte) (bytesWritten int, err error) { func (c *Conn) Write(b []byte) (bytesWritten int, err error) {