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resolves #29: graceful shutdown

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on SIGINT/SIGTERM:
1. stop accepting new connections
2. send SIGTERM to all child tasks
3. wait for processes to end
4. drop all websockets
This commit is contained in:
Oliver Giles
2018-02-24 18:53:11 +02:00
parent 30f2203a3b
commit 9c256815e4
9 changed files with 132 additions and 63 deletions
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9
src/server.h
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@@ -44,8 +44,8 @@ public:
void addDescriptor(int fd, std::function<void(const char*,size_t)> cb);
private:
void acceptHttpClient(kj::Own<kj::ConnectionReceiver>&& listener);
void acceptRpcClient(kj::Own<kj::ConnectionReceiver>&& listener);
kj::Promise<void> acceptHttpClient(kj::Own<kj::ConnectionReceiver>&& listener);
kj::Promise<void> acceptRpcClient(kj::Own<kj::ConnectionReceiver>&& listener);
kj::Promise<void> handleFdRead(kj::AsyncInputStream* stream, char* buffer, std::function<void(const char*,size_t)> cb);
void taskFailed(kj::Exception&& exception) override;
@@ -59,7 +59,10 @@ private:
LaminarInterface& laminarInterface;
kj::Own<HttpImpl> httpInterface;
kj::AsyncIoContext ioContext;
kj::TaskSet tasks;
kj::Own<kj::TaskSet> listeners;
kj::TaskSet childTasks;
kj::TaskSet httpConnections;
kj::Maybe<kj::Promise<void>> reapWatch;
// TODO: restructure so this isn't necessary
friend class ServerTest;