Fix: IPv4 onlyホストからDualstackホストにAP deliverできない (#4872)

This commit is contained in:
MeiMei 2019-05-07 17:49:25 +09:00 committed by syuilo
parent 4cd451c613
commit 96f675abed
3 changed files with 16 additions and 4 deletions

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@ -149,3 +149,6 @@ autoAdmin: true
# Clustering
#clusterLimit: 1
# IP address family used for outgoing request (ipv4, ipv6 or dual)
#outgoingAddressFamily: ipv4

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@ -44,6 +44,8 @@ export type Source = {
clusterLimit?: number;
id: string;
outgoingAddressFamily?: 'ipv4' | 'ipv6' | 'dual';
};
/**

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@ -101,11 +101,18 @@ export default async (user: ILocalUser, url: string, object: any) => {
* Resolve host (with cached, asynchrony)
*/
async function resolveAddr(domain: string) {
const af = config.outgoingAddressFamily || 'ipv4';
const useV4 = af == 'ipv4' || af == 'dual';
const useV6 = af == 'ipv6' || af == 'dual';
const promises = [];
if (!useV4 && !useV6) throw 'No usable address family available';
if (useV4) promises.push(resolveAddrInner(domain, { family: 4 }));
if (useV6) promises.push(resolveAddrInner(domain, { family: 6 }));
// v4/v6で先に取得できた方を採用する
return await promiseAny([
resolveAddrInner(domain, { family: 4 }),
resolveAddrInner(domain, { family: 6 })
]);
return await promiseAny(promises);
}
function resolveAddrInner(domain: string, options: IRunOptions = {}): Promise<string> {