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Issue #184: fix data race in SendAsync #186

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merged 1 commit into from
May 8, 2019
Merged

Issue #184: fix data race in SendAsync #186

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8 changes: 6 additions & 2 deletions uasc/secure_channel.go
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Original file line number Diff line number Diff line change
Expand Up @@ -228,6 +228,10 @@ func (s *SecureChannel) SendAsync(svc interface{}, authToken *ua.NodeID) (resp c
if authToken == nil {
authToken = ua.NewTwoByteNodeID(0)
}

s.mu.Lock()
defer s.mu.Unlock()

// the request header is always the first field
val := reflect.ValueOf(svc)
val.Elem().Field(0).Set(reflect.ValueOf(s.reqhdr))
Expand Down Expand Up @@ -263,9 +267,9 @@ func (s *SecureChannel) SendAsync(svc interface{}, authToken *ua.NodeID) (resp c

// register the handler
resp = make(chan Response)
s.mu.Lock()
// s.mu.Lock()
s.handler[reqid] = resp
s.mu.Unlock()
//s.mu.Unlock()
return resp, nil
}

Expand Down