[tor-commits] [snowflake/master] Allow handling multiple SOCKS connections simultaneously.

[dcf@xxxxxxxxxxxxxx]

commit dfb83c6606fe129d57f101d837ebe32133d79c61
Author: David Fifield <david@xxxxxxxxxxxxxxx>
Date:   Tue Jan 28 03:10:54 2020 -0700

    Allow handling multiple SOCKS connections simultaneously.
    
    Close the SOCKS connection in the same function that opens it.
---
 client/lib/snowflake.go |  1 -
 client/snowflake.go     | 11 +++++++----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/client/lib/snowflake.go b/client/lib/snowflake.go
index a27c6a5..9ab6fc6 100644
--- a/client/lib/snowflake.go
+++ b/client/lib/snowflake.go
@@ -25,7 +25,6 @@ func Handler(socks SocksConnector, snowflakes SnowflakeCollector) error {
 
 		return errors.New("handler: Received invalid Snowflake")
 	}
-	defer socks.Close()
 	defer snowflake.Close()
 	log.Println("---- Handler: snowflake assigned ----")
 	err := socks.Grant(&net.TCPAddr{IP: net.IPv4zero, Port: 0})
diff --git a/client/snowflake.go b/client/snowflake.go
index 7cb9451..af416be 100644
--- a/client/snowflake.go
+++ b/client/snowflake.go
@@ -57,10 +57,13 @@ func socksAcceptLoop(ln *pt.SocksListener, snowflakes sf.SnowflakeCollector) {
 			break
 		}
 		log.Printf("SOCKS accepted: %v", conn.Req)
-		err = sf.Handler(conn, snowflakes)
-		if err != nil {
-			log.Printf("handler error: %s", err)
-		}
+		go func() {
+			defer conn.Close()
+			err = sf.Handler(conn, snowflakes)
+			if err != nil {
+				log.Printf("handler error: %s", err)
+			}
+		}()
 	}
 }
 

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