modules: Start an m_room_message protocol handler stub.

modules/Makefile.am

@@ -99,6 +99,7 @@ m_room_join_rules_la_SOURCES = m_room_join_rules.cc
 m_room_history_visibility_la_SOURCES = m_room_history_visibility.cc
 m_room_canonical_alias_la_SOURCES = m_room_canonical_alias.cc
 m_room_aliases_la_SOURCES = m_room_aliases.cc
+m_room_message_la_SOURCES = m_room_message.cc
 
 m_module_LTLIBRARIES = \
 	m_noop.la \
@@ -114,6 +115,7 @@ m_module_LTLIBRARIES = \
 	m_room_history_visibility.la \
 	m_room_canonical_alias.la \
 	m_room_aliases.la \
+	m_room_message.la \
 	###
 
 ###############################################################################

modules/m_room_message.cc

@@ -0,0 +1,48 @@
+// Matrix Construct
+//
+// Copyright (C) Matrix Construct Developers, Authors & Contributors
+// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice is present in all copies. The
+// full license for this software is available in the LICENSE file.
+
+using namespace ircd;
+
+mapi::header
+IRCD_MODULE
+{
+	"Matrix m.room.message"
+};
+
+static void
+_message_notify(const m::event &event,
+                m::vm::eval &eval)
+{
+	const auto &body
+	{
+		unquote(json::get<"content"_>(event).get("body"))
+	};
+
+	log::info
+	{
+		"%s %s said in %s %s :%s%s",
+		json::get<"origin"_>(event),
+		json::get<"sender"_>(event),
+		json::get<"room_id"_>(event),
+		json::get<"content"_>(event).get("msgtype"),
+		trunc(body, 128),
+		size(body) > 128? "..."_sv : string_view{}
+	};
+}
+
+const m::hookfn<m::vm::eval &>
+_message_notify_hookfn
+{
+	{
+		{ "_site",  "vm.notify"       },
+		{ "type",   "m.room.message"  },
+	},
+	_message_notify
+};