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Callback invoker to sink all thrown exceptions (#74)

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This commit is contained in:
Alex Damian
2018-06-01 19:35:56 -04:00
committed by Matias Fontanini
parent 15fdab6943
commit 9714bec5bf
9 changed files with 180 additions and 66 deletions
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21
src/consumer.cpp
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@@ -34,6 +34,7 @@
#include "logging.h"
#include "configuration.h"
#include "topic_partition_list.h"
#include "detail/callback_invoker.h"
using std::vector;
using std::string;
@@ -79,12 +80,12 @@ Consumer::~Consumer() {
close();
}
catch (const Exception& ex) {
constexpr const char* library_name = "cppkafka";
const char* library_name = "cppkafka";
ostringstream error_msg;
error_msg << "Failed to close consumer [" << get_name() << "]: " << ex.what();
const auto& callback = get_configuration().get_log_callback();
if (callback) {
callback(*this, static_cast<int>(LogLevel::LOG_ERR), library_name, error_msg.str());
CallbackInvoker<Configuration::LogCallback> logger("log", get_configuration().get_log_callback(), nullptr);
if (logger) {
logger(*this, static_cast<int>(LogLevel::LOG_ERR), library_name, error_msg.str());
}
else {
rd_kafka_log_print(get_handle(), static_cast<int>(LogLevel::LOG_ERR), library_name, error_msg.str().c_str());
@@ -292,21 +293,15 @@ void Consumer::commit(const TopicPartitionList* topic_partitions, bool async) {
void Consumer::handle_rebalance(rd_kafka_resp_err_t error,
TopicPartitionList& topic_partitions) {
if (error == RD_KAFKA_RESP_ERR__ASSIGN_PARTITIONS) {
if (assignment_callback_) {
assignment_callback_(topic_partitions);
}
CallbackInvoker<AssignmentCallback>("assignment", assignment_callback_, this)(topic_partitions);
assign(topic_partitions);
}
else if (error == RD_KAFKA_RESP_ERR__REVOKE_PARTITIONS) {
if (revocation_callback_) {
revocation_callback_(topic_partitions);
}
CallbackInvoker<RevocationCallback>("revocation", revocation_callback_, this)(topic_partitions);
unassign();
}
else {
if (rebalance_error_callback_) {
rebalance_error_callback_(error);
}
CallbackInvoker<RebalanceErrorCallback>("rebalance error", rebalance_error_callback_, this)(error);
unassign();
}
}