From 41259c585abc15258e6bdec8749a6ea9db8f1f64 Mon Sep 17 00:00:00 2001
From: Ghislain MARY <ghislain.mary@belledonne-communications.com>
Date: Mon, 16 Apr 2018 16:47:59 +0200
Subject: [PATCH] Compress body of imdn and is-composing messages.

---
 src/chat/chat-message/chat-message-p.h         | 1 +
 src/chat/chat-message/chat-message.cpp         | 2 ++
 src/chat/chat-message/notification-message.cpp | 1 +
 src/sal/message-op-interface.h                 | 6 ++++++
 4 files changed, 10 insertions(+)

diff --git a/src/chat/chat-message/chat-message-p.h b/src/chat/chat-message/chat-message-p.h
index a8e9ae60f..464ed8077 100644
--- a/src/chat/chat-message/chat-message-p.h
+++ b/src/chat/chat-message/chat-message-p.h
@@ -174,6 +174,7 @@ protected:
 	bool negativeDeliveryNotificationRequired = true;
 	bool positiveDeliveryNotificationRequired = true;
 	bool toBeStored = true;
+	std::string contentEncoding;
 
 private:
 	// TODO: Clean attributes.
diff --git a/src/chat/chat-message/chat-message.cpp b/src/chat/chat-message/chat-message.cpp
index 22321eda6..a8e0855cc 100644
--- a/src/chat/chat-message/chat-message.cpp
+++ b/src/chat/chat-message/chat-message.cpp
@@ -770,6 +770,8 @@ void ChatMessagePrivate::send () {
 	} else {
 		if (!internalContent.getContentType().isValid())
 			internalContent.setContentType(ContentType::PlainText);
+		if (!contentEncoding.empty())
+			internalContent.setContentEncoding(contentEncoding);
 		msgOp->sendMessage(internalContent);
 	}
 
diff --git a/src/chat/chat-message/notification-message.cpp b/src/chat/chat-message/notification-message.cpp
index eefcdaf20..16c649d13 100644
--- a/src/chat/chat-message/notification-message.cpp
+++ b/src/chat/chat-message/notification-message.cpp
@@ -37,6 +37,7 @@ NotificationMessage::NotificationMessage (NotificationMessagePrivate &p) : ChatM
 	d->negativeDeliveryNotificationRequired = false;
 	d->positiveDeliveryNotificationRequired = false;
 	d->toBeStored = false;
+	d->contentEncoding = "deflate";
 }
 
 void NotificationMessage::setToBeStored (bool value) {
diff --git a/src/sal/message-op-interface.h b/src/sal/message-op-interface.h
index ea00bdc6a..981f20e1d 100644
--- a/src/sal/message-op-interface.h
+++ b/src/sal/message-op-interface.h
@@ -41,6 +41,12 @@ protected:
 			BELLE_SIP_MESSAGE(req),
 			BELLE_SIP_HEADER(belle_sip_header_date_create_from_time(&curtime))
 		);
+		std::string contentEncoding = content.getContentEncoding();
+		if (!contentEncoding.empty())
+			belle_sip_message_add_header(
+				BELLE_SIP_MESSAGE(req),
+				belle_sip_header_create("Content-Encoding", contentEncoding.c_str())
+			);
 		const ContentType &contentType = content.getContentType();
 		std::string contentTypeStr = std::string(BELLE_SIP_CONTENT_TYPE ": ") + contentType.asString();
 		belle_sip_message_add_header(