src: extract common sockaddr creation code

This commit extracts code to create sockaddr which is shared by both
UDPWrap::DoBind and UDPWrap::DoSend.

PR-URL: https://github.com/nodejs/node/pull/26070
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
This commit is contained in:
Daniel Bevenius 2019-02-13 04:59:48 +01:00 committed by Anna Henningsen
parent 48491ce405
commit 05292cbf6f
No known key found for this signature in database
GPG Key ID: 9C63F3A6CD2AD8F9

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@ -175,6 +175,19 @@ void UDPWrap::GetFD(const FunctionCallbackInfo<Value>& args) {
args.GetReturnValue().Set(fd);
}
int sockaddr_for_family(int address_family,
const char* address,
const unsigned short port,
struct sockaddr_storage* addr) {
switch (address_family) {
case AF_INET:
return uv_ip4_addr(address, port, reinterpret_cast<sockaddr_in*>(addr));
case AF_INET6:
return uv_ip6_addr(address, port, reinterpret_cast<sockaddr_in6*>(addr));
default:
CHECK(0 && "unexpected address family");
}
}
void UDPWrap::DoBind(const FunctionCallbackInfo<Value>& args, int family) {
UDPWrap* wrap;
@ -191,24 +204,11 @@ void UDPWrap::DoBind(const FunctionCallbackInfo<Value>& args, int family) {
if (!args[1]->Uint32Value(ctx).To(&port) ||
!args[2]->Uint32Value(ctx).To(&flags))
return;
char addr[sizeof(sockaddr_in6)];
int err;
switch (family) {
case AF_INET:
err = uv_ip4_addr(*address, port, reinterpret_cast<sockaddr_in*>(&addr));
break;
case AF_INET6:
err = uv_ip6_addr(*address, port, reinterpret_cast<sockaddr_in6*>(&addr));
break;
default:
CHECK(0 && "unexpected address family");
ABORT();
}
struct sockaddr_storage addr_storage;
int err = sockaddr_for_family(family, address.out(), port, &addr_storage);
if (err == 0) {
err = uv_udp_bind(&wrap->handle_,
reinterpret_cast<const sockaddr*>(&addr),
reinterpret_cast<const sockaddr*>(&addr_storage),
flags);
}
@ -392,27 +392,14 @@ void UDPWrap::DoSend(const FunctionCallbackInfo<Value>& args, int family) {
req_wrap->msg_size = msg_size;
char addr[sizeof(sockaddr_in6)];
int err;
switch (family) {
case AF_INET:
err = uv_ip4_addr(*address, port, reinterpret_cast<sockaddr_in*>(&addr));
break;
case AF_INET6:
err = uv_ip6_addr(*address, port, reinterpret_cast<sockaddr_in6*>(&addr));
break;
default:
CHECK(0 && "unexpected address family");
ABORT();
}
struct sockaddr_storage addr_storage;
int err = sockaddr_for_family(family, address.out(), port, &addr_storage);
if (err == 0) {
err = req_wrap->Dispatch(uv_udp_send,
&wrap->handle_,
*bufs,
count,
reinterpret_cast<const sockaddr*>(&addr),
reinterpret_cast<const sockaddr*>(&addr_storage),
OnSend);
}