Add setBroadcase support to node 0.5.10 and libuv

0001-Add-support-for-uv_udp_set_broadcast.patch

From 8ebf3363017dc223da153e69b372749ace222244 Mon Sep 17 00:00:00 2001
From: Dan VerWeire <[email protected]>
Date: Thu, 27 Oct 2011 10:48:10 -0400
Subject: [PATCH 1/2] Add support for uv_udp_set_broadcast

---
 deps/uv/include/uv.h   |   12 ++++++++++++
 deps/uv/src/unix/udp.c |   16 ++++++++++++++++
 2 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/deps/uv/include/uv.h b/deps/uv/include/uv.h
index 7bee299..069a2cd 100644
--- a/deps/uv/include/uv.h
+++ b/deps/uv/include/uv.h
@@ -582,6 +582,18 @@ int uv_udp_set_membership(uv_udp_t* handle, const char* multicast_addr,
   const char* interface_addr, uv_membership membership);
 
 /*
+ * 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)
  * and a random port number.
diff --git a/deps/uv/src/unix/udp.c b/deps/uv/src/unix/udp.c
index 15cd609..bb4df9a 100644
--- a/deps/uv/src/unix/udp.c
+++ b/deps/uv/src/unix/udp.c
@@ -495,6 +495,22 @@ int uv_udp_set_membership(uv_udp_t* handle, const char* multicast_addr,
 }
 
 
+int uv_udp_set_broadcast(uv_udp_t* handle, int on) {
+  /*if (setsockopt(handle->fd, IPPROTO_IP, 15, &on, sizeof on) == -1) {*/
+  if (setsockopt(handle->fd, IPPROTO_IP, SO_REUSEADDR, &on, sizeof on) == -1) {
+    uv__set_sys_error(handle->loop, errno);
+    return -1;
+  }
+  
+  if (setsockopt(handle->fd, IPPROTO_IP, 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) {
   socklen_t socklen;
-- 
1.7.5.4

0002-Add-support-for-setBroadcast.patch

From 12fce12514253bf5ae11ed3e3fcdd108e195b95c Mon Sep 17 00:00:00 2001
From: Dan VerWeire <[email protected]>
Date: Thu, 27 Oct 2011 10:48:38 -0400
Subject: [PATCH 2/2] Add support for setBroadcast

---
 lib/dgram.js    |    6 +++++-
 src/udp_wrap.cc |   17 +++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletions(-)

diff --git a/lib/dgram.js b/lib/dgram.js
index 4356447..c413a41 100644
--- a/lib/dgram.js
+++ b/lib/dgram.js
@@ -223,7 +223,11 @@ Socket.prototype.address = function() {
 
 
 Socket.prototype.setBroadcast = function(arg) {
-  throw new Error('not yet implemented');
+	console.log("hello");
+	console.log(this._handle.setBroadcast((arg) ? 1 : 0));
+  //return this._handle.setBroadcast((arg) ? 1 : 0);
+  
+  //throw new Error('not yet implemented');
 };
 
 
diff --git a/src/udp_wrap.cc b/src/udp_wrap.cc
index eb9a484..dfa8a05 100644
--- a/src/udp_wrap.cc
+++ b/src/udp_wrap.cc
@@ -60,6 +60,7 @@ public:
   static Handle<Value> RecvStart(const Arguments& args);
   static Handle<Value> RecvStop(const Arguments& args);
   static Handle<Value> GetSockName(const Arguments& args);
+  static Handle<Value> SetBroadcast(const Arguments& args);
 
 private:
   UDPWrap(Handle<Object> object);
@@ -113,6 +114,7 @@ void UDPWrap::Initialize(Handle<Object> target) {
   NODE_SET_PROTOTYPE_METHOD(t, "recvStart", RecvStart);
   NODE_SET_PROTOTYPE_METHOD(t, "recvStop", RecvStop);
   NODE_SET_PROTOTYPE_METHOD(t, "getsockname", GetSockName);
+  NODE_SET_PROTOTYPE_METHOD(t, "setBroadcast", SetBroadcast);
 
   target->Set(String::NewSymbol("UDP"),
               Persistent<FunctionTemplate>::New(t)->GetFunction());
@@ -170,6 +172,21 @@ Handle<Value> UDPWrap::Bind6(const Arguments& args) {
   return DoBind(args, AF_INET6);
 }
 
+Handle<Value> UDPWrap::SetBroadcast(const Arguments& args) {
+  HandleScope scope;
+  UNWRAP
+  printf("hello1");
+  assert(args.Length() == 1);
+  printf("hello2");
+  int on = args[0]->Uint32Value();
+  printf("hello3");
+  int r = uv_udp_set_broadcast(&wrap->handle_, on);
+  printf("hello4");
+  if (r)
+    SetErrno(uv_last_error(uv_default_loop()));
+  printf("hello5");
+  return scope.Close(Integer::New(r));
+}
 
 Handle<Value> UDPWrap::DoSend(const Arguments& args, int family) {
   HandleScope scope;
-- 
1.7.5.4