move interleaved frames into dedicated struct

connclient.go

@@ -0,0 +1,74 @@
+package gortsplib
+
+import (
+	"bufio"
+	"net"
+	"strconv"
+)
+
+type ConnClient struct {
+	nconn       net.Conn
+	bw          *bufio.Writer
+	session     string
+	cseqEnabled bool
+	cseq        int
+	authProv    *authClientProvider
+}
+
+func NewConnClient(nconn net.Conn) *ConnClient {
+	return &ConnClient{
+		nconn: nconn,
+		bw:    bufio.NewWriterSize(nconn, _INTERLEAVED_FRAME_MAX_SIZE),
+	}
+}
+
+func (c *ConnClient) NetConn() net.Conn {
+	return c.nconn
+}
+
+func (c *ConnClient) SetSession(v string) {
+	c.session = v
+}
+
+func (c *ConnClient) EnableCseq() {
+	c.cseqEnabled = true
+}
+
+func (c *ConnClient) SetCredentials(user string, pass string, realm string, nonce string) {
+	c.authProv = newAuthClientProvider(user, pass, realm, nonce)
+}
+
+func (c *ConnClient) WriteRequest(req *Request) error {
+	if c.session != "" {
+		if req.Header == nil {
+			req.Header = make(Header)
+		}
+		req.Header["Session"] = []string{c.session}
+	}
+	if c.cseqEnabled {
+		if req.Header == nil {
+			req.Header = make(Header)
+		}
+		c.cseq += 1
+		req.Header["CSeq"] = []string{strconv.FormatInt(int64(c.cseq), 10)}
+	}
+	if c.authProv != nil {
+		if req.Header == nil {
+			req.Header = make(Header)
+		}
+		req.Header["Authorization"] = []string{c.authProv.generateHeader(req.Method, req.Url)}
+	}
+	return req.write(c.nconn)
+}
+
+func (c *ConnClient) ReadResponse() (*Response, error) {
+	return readResponse(c.nconn)
+}
+
+func (c *ConnClient) ReadInterleavedFrame() (*InterleavedFrame, error) {
+	return readInterleavedFrame(c.nconn)
+}
+
+func (c *ConnClient) WriteInterleavedFrame(frame *InterleavedFrame) error {
+	return frame.write(c.bw)
+}