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internal/jsonrpc2: move the lock into logCommon

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This means the lock is no longer held when writing to the underlying
stream.

Change-Id: I4f066ff593e35d771aa989c762712e4dd83a3f81
Reviewed-on: https://go-review.googlesource.com/c/tools/+/231040
Reviewed-by: Robert Findley <rfindley@google.com>
This commit is contained in:
Ian Cottrell 2020-04-29 18:50:39 -04:00
parent 127c98bd79
commit 28a3422bd6
1 changed files with 8 additions and 10 deletions
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18
internal/lsp/protocol/log.go
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@ -25,17 +25,13 @@ func LoggingStream(str jsonrpc2.Stream, w io.Writer) jsonrpc2.Stream {
func (s *loggingStream) Read(ctx context.Context) (jsonrpc2.Message, int64, error) {
msg, count, err := s.stream.Read(ctx)
if err == nil {
s.logMu.Lock()
defer s.logMu.Unlock()
logCommon(s.log, msg, true)
s.logCommon(msg, true)
}
return msg, count, err
}
func (s *loggingStream) Write(ctx context.Context, msg jsonrpc2.Message) (int64, error) {
s.logMu.Lock()
defer s.logMu.Unlock()
logCommon(s.log, msg, false)
s.logCommon(msg, false)
count, err := s.stream.Write(ctx, msg)
return count, err
}
@ -90,14 +86,16 @@ func (m *mapped) setServer(id string, r req) {
const eor = "\r\n\r\n\r\n"
func logCommon(outfd io.Writer, msg jsonrpc2.Message, isRead bool) {
func (s *loggingStream) logCommon(msg jsonrpc2.Message, isRead bool) {
s.logMu.Lock()
defer s.logMu.Unlock()
direction, pastTense := "Received", "Received"
get, set := maps.client, maps.setServer
if isRead {
direction, pastTense = "Sending", "Sent"
get, set = maps.server, maps.setClient
}
if msg == nil || outfd == nil {
if msg == nil || s.log == nil {
return
}
tm := time.Now()
@ -117,7 +115,7 @@ func logCommon(outfd io.Writer, msg jsonrpc2.Message, isRead bool) {
case *jsonrpc2.Response:
id := fmt.Sprint(msg.ID())
if err := msg.Err(); err != nil {
fmt.Fprintf(outfd, "[Error - %s] %s #%s %s%s", pastTense, tmfmt, id, err, eor)
fmt.Fprintf(s.log, "[Error - %s] %s #%s %s%s", pastTense, tmfmt, id, err, eor)
return
}
cc := get(id)
@ -126,5 +124,5 @@ func logCommon(outfd io.Writer, msg jsonrpc2.Message, isRead bool) {
direction, cc.method, id, elapsed/time.Millisecond)
fmt.Fprintf(&buf, "Result: %s%s", msg.Result(), eor)
}
outfd.Write([]byte(buf.String()))
s.log.Write([]byte(buf.String()))
}