Stream with version (#7851)

* stream_forward: Fix protocol

This commit brings the necessary fixes to the protocol

* stream_forward: Fix old slave support

This commit fixes the communication with old versions of Netdata

* stream_forward: Remove declaration

There was a wrong declaration inside a block, so I am removing it

* stream_forward: USe version

This commit brings the use of  version instead flags to stream

* stream_forward: Remove variable

This commit removes useless variable from hand shake

* stream_forward: Change message

Change the message setting the protocol version on it

* stream_forward: Fix version number

* stream_forward: readable definition

The definition and the variables were using the same data type, but with different declaration,
this commit fixes this.

* stream_forward: Set master version inside message

This commit updates the message used that there was a successfull connection with master

* stream_forward: FIx wrong version

This commit fixes the multiple set for stream version

* stream_forward: Reorganize code

This commit reorganizes code to speed up the processing

* stream_forward: Adjust code

This commit removes an unecessary else

* stream_forward: Brings old structure

This commits returns a previous necessary  to the code

* stream_forward: fix error report

This commit fixes the error report that was happening when the stream version does not match

* stream_forward: Fixes msg and remove unecessary call

1 files changed, 2 insertions, 0 deletions

diff --git a/streaming/rrdpush.h b/streaming/rrdpush.h
index 6d290a835b..214c7c6fde 100644
--- a/streaming/rrdpush.h
+++ b/streaming/rrdpush.h
@@ -6,6 +6,8 @@
 #include "web/server/web_client.h"
 #include "daemon/common.h"
 
+#define STREAMING_PROTOCOL_CURRENT_VERSION (uint32_t)2
+
 extern unsigned int default_rrdpush_enabled;
 extern char *default_rrdpush_destination;
 extern char *default_rrdpush_api_key;