From 2bb9a14110d909af1894426d456237bfc0b60ad4 Mon Sep 17 00:00:00 2001
From: Javier <dev.git@javispedro.com>
Date: Tue, 15 Dec 2015 02:42:46 +0100
Subject: implement the WebProxy agent

---
 webproxyconn.h | 36 ++++++++++++++++++++++++++++--------
 1 file changed, 28 insertions(+), 8 deletions(-)

(limited to 'webproxyconn.h')

diff --git a/webproxyconn.h b/webproxyconn.h
index 705428d..c183462 100644
--- a/webproxyconn.h
+++ b/webproxyconn.h
@@ -5,6 +5,8 @@
 #include "sapconnection.h"
 #include "sapsocket.h"
 
+class WebProxyTrans;
+
 class WebProxyConn : public QObject
 {
 	Q_OBJECT
@@ -13,31 +15,49 @@ public:
 	WebProxyConn(SAPConnection *conn, QObject *parent = 0);
 
 protected:
-	enum RequestMessageType {
-		RequestStartTransaction = 1,
-		RequestCancelTransaction = 4
+	enum MessageType {
+		MessageRequest = 1,
+		MessageResponse = 2,
+		MessageError = 3,
+		MessageAbort = 4
 	};
 
-	struct RequestMessage {
+	struct Message {
 		quint8 command; // Seems to be always 1
 		quint8 subCommand; // Seems to be always 1
-		RequestMessageType type;
+		MessageType type;
 		quint8 transactionId; // Monotonically increasing
 		QByteArray payload;
 	};
 
-	static RequestMessage unpackRequestMessage(const QByteArray &data);
+	static Message unpackMessage(const QByteArray &data);
+	static QByteArray packMessage(const Message &msg);
+
+	struct RequestHeader {
+		/** Whether this is a CONNECT request, i.e. tunnel. */
+		bool connect;
+		QString host;
+		int port;
+	};
+
+	static RequestHeader parseRequestHeader(const QByteArray &req);
+	static QByteArray removeHeaders(const QByteArray &req);
+
+	void sendMessage(const Message &msg);
 
-	void handleStartTransaction(const RequestMessage &msg);
-	void handleCancelTransaction(const RequestMessage &msg);
+	void handleRequest(const Message &msg);
+	void handleAbort(const Message &msg);
 
 private slots:
 	void handleMessageReceived();
+	void handleTransDataReceived(const QByteArray &data);
+	void handleTransDisconnected();
 
 private:
 	SAPConnection *_conn;
 	SAPSocket *_in;
 	SAPSocket *_out;
+	QMap<int, WebProxyTrans*> _trans;
 };
 
 #endif // WEBPROXYCONN_H
-- 
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