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Merge pull request #2065 from jzhou77/fix-iterator

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Fix a crash failure due to iterator passing the end
This commit is contained in:
Evan Tschannen 2019-09-09 16:24:01 -07:00 committed by GitHub
commit e6cc6af885
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1 changed files with 6 additions and 5 deletions
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11
fdbserver/Status.actor.cpp
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@ -890,9 +890,8 @@ static JsonBuilderObject clientStatusFetcher(std::map<NetworkAddress, std::pair<
std::map<Standalone<ClientVersionRef>, ClientStats> supportedVersions;
std::map<Key, ClientStats> maxSupportedProtocol;
for(auto iter = clientStatusMap->begin(); iter != clientStatusMap->end(); ++iter) {
if( now() - iter->second.first < 2*SERVER_KNOBS->COORDINATOR_REGISTER_INTERVAL ) {
for (auto iter = clientStatusMap->begin(); iter != clientStatusMap->end();) {
if (now() - iter->second.first < 2 * SERVER_KNOBS->COORDINATOR_REGISTER_INTERVAL) {
clientCount += iter->second.second.clientCount;
for(auto& it : iter->second.second.issues) {
auto& issue = issues[it.item];
@ -909,6 +908,7 @@ static JsonBuilderObject clientStatusFetcher(std::map<NetworkAddress, std::pair<
protocolVersion.count += it.count;
protocolVersion.examples.insert(it.examples.begin(), it.examples.end());
}
++iter;
} else {
iter = clientStatusMap->erase(iter);
}
@ -1926,8 +1926,8 @@ static JsonBuilderArray getClientIssuesAsMessages( std::map<NetworkAddress, std:
try {
std::map<std::string, std::pair<int, std::vector<std::string>>> deduplicatedIssues;
for( auto iter = clientStatusMap->begin(); iter != clientStatusMap->end(); ++iter) {
if( now() - iter->second.first < 2*SERVER_KNOBS->COORDINATOR_REGISTER_INTERVAL ) {
for (auto iter = clientStatusMap->begin(); iter != clientStatusMap->end();) {
if (now() - iter->second.first < 2 * SERVER_KNOBS->COORDINATOR_REGISTER_INTERVAL) {
for (auto& issue : iter->second.second.issues) {
auto& t = deduplicatedIssues[issue.item.toString()];
t.first += issue.count;
@ -1935,6 +1935,7 @@ static JsonBuilderArray getClientIssuesAsMessages( std::map<NetworkAddress, std:
t.second.push_back(formatIpPort(example.first.ip, example.first.port));
}
}
++iter;
} else {
iter = clientStatusMap->erase(iter);
}