forked from lix-project/lix
Serialize exceptions from the daemon to the client
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be149acfda
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c43e882f54
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@ -101,17 +101,20 @@ struct TunnelLogger : public Logger
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/* stopWork() means that we're done; stop sending stderr to the
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client. */
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void stopWork(bool success = true, const string & msg = "", unsigned int status = 0)
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void stopWork(const Error * ex = nullptr)
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{
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auto state(state_.lock());
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state->canSendStderr = false;
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if (success)
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if (!ex)
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to << STDERR_LAST;
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else {
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to << STDERR_ERROR << msg;
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if (status != 0) to << status;
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if (GET_PROTOCOL_MINOR(clientVersion) >= 26) {
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to << STDERR_ERROR << *ex;
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} else {
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to << STDERR_ERROR << ex->what() << ex->status;
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}
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}
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}
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@ -935,10 +938,11 @@ void processConnection(
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during addTextToStore() / importPath(). If that
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happens, just send the error message and exit. */
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bool errorAllowed = tunnelLogger->state_.lock()->canSendStderr;
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tunnelLogger->stopWork(false, e.msg(), e.status);
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tunnelLogger->stopWork(&e);
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if (!errorAllowed) throw;
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} catch (std::bad_alloc & e) {
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tunnelLogger->stopWork(false, "Nix daemon out of memory", 1);
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auto ex = Error("Nix daemon out of memory");
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tunnelLogger->stopWork(&ex);
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throw;
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}
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@ -947,8 +951,13 @@ void processConnection(
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assert(!tunnelLogger->state_.lock()->canSendStderr);
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};
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} catch (Error & e) {
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tunnelLogger->stopWork(&e);
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to.flush();
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return;
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} catch (std::exception & e) {
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tunnelLogger->stopWork(false, e.what(), 1);
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auto ex = Error(e.what());
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tunnelLogger->stopWork(&ex);
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to.flush();
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return;
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}
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@ -925,9 +925,13 @@ std::exception_ptr RemoteStore::Connection::processStderr(Sink * sink, Source *
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}
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else if (msg == STDERR_ERROR) {
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string error = readString(from);
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unsigned int status = readInt(from);
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return std::make_exception_ptr(Error(status, error));
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if (GET_PROTOCOL_MINOR(daemonVersion) >= 26) {
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return std::make_exception_ptr(readError(from));
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} else {
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string error = readString(from);
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unsigned int status = readInt(from);
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return std::make_exception_ptr(Error(status, error));
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}
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}
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else if (msg == STDERR_NEXT)
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@ -6,7 +6,7 @@ namespace nix {
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#define WORKER_MAGIC_1 0x6e697863
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#define WORKER_MAGIC_2 0x6478696f
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#define PROTOCOL_VERSION 0x119
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#define PROTOCOL_VERSION 0x11a
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#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
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#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)
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