Open
Description
Listener with same name will cause panic.
Hello, world.panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x10e8f62]
goroutine 1 [running]:
github.com/akutz/memconn.(*Listener).Close(0x0, 0x0, 0x7)
/.go/src/github.com/akutz/memconn/memconn_listener.go:95 +0x22
main.main()
/temp/memconn.go:48 +0x2c7
exit status 2
Source Code:
package main
import (
"io"
"os"
"github.com/akutz/memconn"
)
// ExampleBuffered illustrates a server and client that
// communicate over a buffered, in-memory connection.
func main() {
// Announce a new listener named "localhost" on MemConn's
// buffered network, "memb".
lis, _ := memconn.Listen("memb", "localhost")
lis2, _ := memconn.Listen("memb", "localhost")
// Ensure the listener is closed.
defer lis.Close()
defer lis2.Close()
// Start a goroutine that will wait for a client to dial the
// listener and then echo back any data sent to the remote
// connection.
go func() {
conn, _ := lis.Accept()
// If no errors occur then make sure the connection is closed.
defer conn.Close()
// Echo the data back to the client.
io.CopyN(conn, conn, 13)
}()
// Dial the buffered, in-memory network named "localhost".
conn, _ := memconn.Dial("memb", "localhost")
// Ensure the connection is closed.
defer conn.Close()
// Write the data to the server.
conn.Write([]byte("Hello, world."))
// Read the data from the server.
io.CopyN(os.Stdout, conn, 13)
// Output: Hello, world.
}Metadata
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