diff --git a/include/uv.h b/include/uv.h index 5928b4c1..fb4e40ab 100644 --- a/include/uv.h +++ b/include/uv.h @@ -631,6 +631,32 @@ UV_EXTERN int uv_udp_set_membership(uv_udp_t* handle, const char* multicast_addr, const char* interface_addr, uv_membership membership); +/* + * Set the multicast ttl + * + * Arguments: + * handle UDP handle. Should have been initialized with + * `uv_udp_init`. + * ttl 1 through 255 + * + * Returns: + * 0 on success, -1 on error. + */ +int uv_udp_set_multicast_ttl(uv_udp_t* handle, int ttl); + +/* + * Set broadcast on or off + * + * Arguments: + * handle UDP handle. Should have been initialized with + * `uv_udp_init`. + * on 1 for on, 0 for off + * + * Returns: + * 0 on success, -1 on error. + */ +int uv_udp_set_broadcast(uv_udp_t* handle, int on); + /* * Send data. If the socket has not previously been bound with `uv_udp_bind` * or `uv_udp_bind6`, it is bound to 0.0.0.0 (the "all interfaces" address) diff --git a/src/unix/udp.c b/src/unix/udp.c index 9bdfd417..0ebfe707 100644 --- a/src/unix/udp.c +++ b/src/unix/udp.c @@ -509,6 +509,24 @@ int uv_udp_set_membership(uv_udp_t* handle, const char* multicast_addr, return 0; } +int uv_udp_set_multicast_ttl(uv_udp_t* handle, int ttl) { + if (setsockopt(handle->fd, IPPROTO_IP, IP_MULTICAST_TTL, &ttl, sizeof ttl) == -1) { + uv__set_sys_error(handle->loop, errno); + return -1; + } + + return 0; +} + +int uv_udp_set_broadcast(uv_udp_t* handle, int on) { + if (setsockopt(handle->fd, SOL_SOCKET, SO_BROADCAST, &on, sizeof on) == -1) { + uv__set_sys_error(handle->loop, errno); + return -1; + } + + return 0; +} + int uv_udp_getsockname(uv_udp_t* handle, struct sockaddr* name, int* namelen) {