Modified wrapper for UDP socket allowing broadcast packets using the new network stack.
Diff: udpBroadcastSocket.cpp
- Revision:
- 0:45f2ef9eadb6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/udpBroadcastSocket.cpp Fri Jan 04 18:09:53 2013 +0000 @@ -0,0 +1,43 @@ +/* + * UDPBroadcastSocket accept socket option flags parameter on bind or init + * usage + * mySocket.init(SO_BROADCAST); (not tested) + * or mySocket.bind(port,SO_BROADCAST); {tested, ok) + + * UDPBroadcastSocket accept socket option flags + * These option flags per-socket from lwip\core\include\lwip\sockets.h + */ +//#define SO_DEBUG 0x0001 /* Unimplemented: turn on debugging info recording */ +//#define SO_ACCEPTCONN 0x0002 /* socket has had listen() */ +//#define SO_REUSEADDR 0x0004 /* Allow local address reuse */ +//#define SO_KEEPALIVE 0x0008 /* keep connections alive */ +//#define SO_DONTROUTE 0x0010 /* Unimplemented: just use interface addresses */ +//#define SO_BROADCAST 0x0020 /* permit to send and to receive broadcast messages (see IP_SOF_BROADCAST option) */ +//#define SO_USELOOPBACK 0x0040 /* Unimplemented: bypass hardware when possible */ +//#define SO_LINGER 0x0080 /* linger on close if data present */ +//#define SO_OOBINLINE 0x0100 /* Unimplemented: leave received OOB data in line */ +//#define SO_REUSEPORT 0x0200 /* Unimplemented: allow local address & port reuse */ + +#include "udpBroadcastSocket.h" +#include "Socket/UDPSocket.h" + +#include <cstring> + +using std::memset; + +int UDPBroadcastSocket::init(int optionFlags) { + int option = 1; + if (init_socket(SOCK_DGRAM)<0) + return -1; + else + return lwip_setsockopt(_sock_fd,SOL_SOCKET,optionFlags,(char*)&option,sizeof(option)); +} + +int UDPBroadcastSocket::bind(int port,int optionFlags) +{ + int option = 1; + if (UDPSocket::bind(port)<0) + return -1; + else + return lwip_setsockopt(_sock_fd,SOL_SOCKET,optionFlags,(char*)&option,sizeof(option)); +} \ No newline at end of file