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-rw-r--r--indra/llcommon/llevents.cpp13
-rw-r--r--indra/llcommon/llevents.h14
2 files changed, 27 insertions, 0 deletions
diff --git a/indra/llcommon/llevents.cpp b/indra/llcommon/llevents.cpp
index 97e2bdeb57..ff03506e84 100644
--- a/indra/llcommon/llevents.cpp
+++ b/indra/llcommon/llevents.cpp
@@ -588,3 +588,16 @@ void LLReqID::stamp(LLSD& response) const
}
response["reqid"] = mReqid;
}
+
+bool sendReply(const LLSD& reply, const LLSD& request, const std::string& replyKey)
+{
+ // Copy 'reply' to modify it.
+ LLSD newreply(reply);
+ // Get the ["reqid"] element from request
+ LLReqID reqID(request);
+ // and copy it to 'newreply'.
+ reqID.stamp(newreply);
+ // Send reply on LLEventPump named in request[replyKey]. Don't forget to
+ // send the modified 'newreply' instead of the original 'reply'.
+ return LLEventPumps::instance().obtain(request[replyKey]).post(newreply);
+}
diff --git a/indra/llcommon/llevents.h b/indra/llcommon/llevents.h
index 2491cf1371..65b0fef354 100644
--- a/indra/llcommon/llevents.h
+++ b/indra/llcommon/llevents.h
@@ -692,6 +692,20 @@ private:
};
/**
+ * Conventionally send a reply to a request event.
+ *
+ * @a reply is the LLSD reply event to send
+ * @a request is the corresponding LLSD request event
+ * @a replyKey is the key in the @a request event, conventionally ["reply"],
+ * whose value is the name of the LLEventPump on which to send the reply.
+ *
+ * Before sending the reply event, sendReply() copies the ["reqid"] item from
+ * the request to the reply.
+ */
+LL_COMMON_API bool sendReply(const LLSD& reply, const LLSD& request,
+ const std::string& replyKey="reply");
+
+/**
* Base class for LLListenerWrapper. See visit_and_connect() and llwrap(). We
* provide virtual @c accept_xxx() methods, customization points allowing a
* subclass access to certain data visible at LLEventPump::listen() time.