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Added the ability to block on getMessages until a message arrives

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This commit is contained in:
Paul Hollinsky
2018-11-09 16:28:48 -05:00
parent 35bd5139b2
commit 77d694c662
5 changed files with 22 additions and 12 deletions
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device/device.cpp
+6 -2
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@@ -99,7 +99,7 @@ std::vector<std::shared_ptr<Message>> Device::getMessages() {
return ret;
}
bool Device::getMessages(std::vector<std::shared_ptr<Message>>& container, size_t limit) {
bool Device::getMessages(std::vector<std::shared_ptr<Message>>& container, size_t limit, std::chrono::milliseconds timeout) {
// A limit of zero indicates no limit
if(limit == 0)
limit = (size_t)-1;
@@ -110,7 +110,11 @@ bool Device::getMessages(std::vector<std::shared_ptr<Message>>& container, size_
if(container.size() < limit)
container.resize(limit);
size_t actuallyRead = pollingContainer.try_dequeue_bulk(container.data(), limit);
size_t actuallyRead;
if(timeout != std::chrono::milliseconds(0))
actuallyRead = pollingContainer.wait_dequeue_bulk_timed(container.data(), limit, timeout);
else
actuallyRead = pollingContainer.try_dequeue_bulk(container.data(), limit);
if(container.size() > actuallyRead)
container.resize(actuallyRead);