From 5ee4c61a1b7eba4ad9bf6a8728eb242c509c5fab Mon Sep 17 00:00:00 2001
From: Marek Blaha <mblaha@redhat.com>
Date: Thu, 29 Apr 2021 17:18:04 +0200
Subject: [PATCH] Add API to set signal destination (#168)

With this patch it is possible to create unicast signals.
---
 include/sdbus-c++/Message.h | 1 +
 src/Message.cpp             | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/include/sdbus-c++/Message.h b/include/sdbus-c++/Message.h
index 133a7bc..9d9c26e 100644
--- a/include/sdbus-c++/Message.h
+++ b/include/sdbus-c++/Message.h
@@ -215,6 +215,7 @@ namespace sdbus {
 
     public:
         Signal() = default;
+        void setDestination(const std::string& destination);
         void send() const;
     };
 
diff --git a/src/Message.cpp b/src/Message.cpp
index 45f8f36..29ad5df 100644
--- a/src/Message.cpp
+++ b/src/Message.cpp
@@ -818,6 +818,12 @@ void Signal::send() const
     SDBUS_THROW_ERROR_IF(r < 0, "Failed to emit signal", -r);
 }
 
+void Signal::setDestination(const std::string& destination)
+{
+    auto r = sd_bus_message_set_destination((sd_bus_message*)msg_, destination.c_str());
+    SDBUS_THROW_ERROR_IF(r < 0, "Failed to set signal destination", -r);
+}
+
 PlainMessage createPlainMessage()
 {
     static auto connection = internal::createConnection();