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50 lines
1.0 KiB
50 lines
1.0 KiB
package xmpp // import "fluux.io/xmpp"
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import (
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"io"
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"os"
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)
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// Mediated Read / Write on socket
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// Used if logFile from Options is not nil
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type socketProxy struct {
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socket io.ReadWriter // Actual connection
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logFile *os.File
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}
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func newSocketProxy(conn io.ReadWriter, logFile *os.File) io.ReadWriter {
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if logFile == nil {
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return conn
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} else {
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return &socketProxy{conn, logFile}
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}
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}
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func (pl *socketProxy) Read(p []byte) (n int, err error) {
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n, err = pl.socket.Read(p)
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if n > 0 {
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pl.logFile.Write([]byte("RECV:\n")) // Prefix
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if n, err := pl.logFile.Write(p[:n]); err != nil {
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return n, err
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}
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pl.logFile.Write([]byte("\n\n")) // Separator
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}
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return
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}
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func (pl *socketProxy) Write(p []byte) (n int, err error) {
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pl.logFile.Write([]byte("SEND:\n")) // Prefix
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for _, w := range []io.Writer{pl.socket, pl.logFile} {
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n, err = w.Write(p)
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if err != nil {
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return
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}
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if n != len(p) {
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err = io.ErrShortWrite
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return
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}
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}
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pl.logFile.Write([]byte("\n\n")) // Separator
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return len(p), nil
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}
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