cpp/openttd-patchpack/source Changeset - r28404:e01ac5d31ebe

Changeset - r28404:e01ac5d31ebe

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Patric Stout - 4 months ago 2024-01-05 18:54:00
truebrain@openttd.org

Fix: don't unneededly block on transmitting survey on exit (#11687)

2 files changed with 14 insertions and 4 deletions:

src/network/network_survey.cpp

src/network/network_survey.h

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src/network/network_survey.cpp

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@@ @@ -11,6 +11,7 @@ @@
 #include "network_survey.h"
 #include "settings_table.h"
 #include "network.h"
 #include "network_func.h"
 #include "../debug.h"
 #include "../survey.h"
 #include "../3rdparty/fmt/chrono.h"
@@ @@ -99,21 +100,29 @@ void NetworkSurveyHandler::Transmit(Reas @@
 	if (blocking) {
 		std::unique_lock<std::mutex> lock(this->mutex);
 		/* Block no longer than 2 seconds. If we failed to send the survey in that time, so be it. */
 		this->loaded.wait_for(lock, std::chrono::seconds(2));
 		std::chrono::steady_clock::time_point end = std::chrono::steady_clock::now() + std::chrono::seconds(2);
 		while (!this->transmitted && std::chrono::steady_clock::now() < end) {
 			NetworkBackgroundLoop();
 			this->transmitted_cv.wait_for(lock, std::chrono::milliseconds(30));
+		}
+	}
+}
 void NetworkSurveyHandler::OnFailure()
+{
 	Debug(net, 1, "Survey: failed to send survey results");
 	this->loaded.notify_all();
 	this->transmitted = true;
 	this->transmitted_cv.notify_all();
+}
 void NetworkSurveyHandler::OnReceiveData(std::unique_ptr<char[]> data, size_t)
+{
 	if (data == nullptr) {
 		Debug(net, 1, "Survey: survey results sent");
 		this->loaded.notify_all();
 		this->transmitted = true;
 		this->transmitted_cv.notify_all();
+	}
+}

src/network/network_survey.h

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@@ @@ -41,7 +41,8 @@ public: @@
 private:
 	std::mutex mutex; ///< Mutex for the condition variable.
 	std::condition_variable loaded; ///< Condition variable to wait for the survey to be sent.
 	std::atomic<bool> transmitted; ///< Whether the survey has been transmitted.
 	std::condition_variable transmitted_cv; ///< Condition variable to inform changes to transmitted.
 };
 extern NetworkSurveyHandler _survey;

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