[udp] Add possibility to send to broadcast address

ossia · Jul 30, 2023 · fb1abb4 · fb1abb4
1 parent e83e57c
commit fb1abb4
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Showing 2 changed files with 12 additions and 3 deletions.
diff --git a/src/ossia/network/sockets/configuration.hpp b/src/ossia/network/sockets/configuration.hpp
@@ -28,7 +28,8 @@ struct receive_fd_configuration : fd_configuration
 struct socket_configuration
 {
  std::string host;
- uint16_t port;
+ uint16_t port{};
+ bool broadcast{};
 };
 
 struct send_socket_configuration : socket_configuration

diff --git a/src/ossia/network/sockets/udp_socket.hpp b/src/ossia/network/sockets/udp_socket.hpp
@@ -88,7 +88,7 @@ class udp_send_socket
 public:
  udp_send_socket(const socket_configuration& conf, boost::asio::io_context& ctx)
  : m_context{ctx}
- , m_endpoint{boost::asio::ip::make_address(conf.host), conf.port}
+ , m_endpoint{conf.broadcast ? boost::asio::ip::address_v4::broadcast() : boost::asio::ip::make_address(conf.host), conf.port}
  , m_socket{ctx}
  {
  }
@@ -102,7 +102,15 @@ class udp_send_socket
  {
  }
 
- void connect() { m_socket.open(boost::asio::ip::udp::v4()); }
+ void connect()
+ {
+ m_socket.open(boost::asio::ip::udp::v4());
+
+ m_socket.set_option(boost::asio::ip::udp::socket::reuse_address(true));
+
+ if(m_endpoint.address() == boost::asio::ip::address_v4::broadcast())
+ m_socket.set_option(boost::asio::socket_base::broadcast(true));
+ }
 
  void close()
  {