本文整理汇总了C++中ShardType::parseBSON方法的典型用法代码示例。如果您正苦于以下问题：C++ ShardType::parseBSON方法的具体用法？C++ ShardType::parseBSON怎么用？C++ ShardType::parseBSON使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ShardType的用法示例。
在下文中一共展示了ShardType::parseBSON方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: checkClusterMongoVersions
Status checkClusterMongoVersions(const ConnectionString& configLoc,
const string& minMongoVersion)
{
scoped_ptr<ScopedDbConnection> connPtr;
//
// Find mongos pings in config server
//
try {
connPtr.reset(new ScopedDbConnection(configLoc, 30));
ScopedDbConnection& conn = *connPtr;
scoped_ptr<DBClientCursor> cursor(_safeCursor(conn->query(MongosType::ConfigNS,
Query())));
while (cursor->more()) {
BSONObj pingDoc = cursor->next();
MongosType ping;
string errMsg;
// NOTE: We don't care if the ping is invalid, legacy stuff will be
if (!ping.parseBSON(pingDoc, &errMsg)) {
warning() << "could not parse ping document: " << pingDoc << causedBy(errMsg)
<< endl;
continue;
}
string mongoVersion = "2.0";
// Hack to determine older mongos versions from ping format
if (ping.isWaitingSet()) mongoVersion = "2.2";
if (ping.isMongoVersionSet() && ping.getMongoVersion() != "") {
mongoVersion = ping.getMongoVersion();
}
Date_t lastPing = ping.getPing();
long long quietIntervalMillis = 0;
Date_t currentJsTime = jsTime();
if (currentJsTime >= lastPing) {
quietIntervalMillis = static_cast<long long>(currentJsTime - lastPing);
}
long long quietIntervalMins = quietIntervalMillis / (60 * 1000);
// We assume that anything that hasn't pinged in 5 minutes is probably down
if (quietIntervalMins >= 5) {
log() << "stale mongos detected " << quietIntervalMins << " minutes ago,"
<< " network location is " << pingDoc["_id"].String()
<< ", not checking version" << endl;
}
else {
if (versionCmp(mongoVersion, minMongoVersion) < 0) {
return Status(ErrorCodes::RemoteValidationError,
stream() << "version " << mongoVersion << " of mongos at "
<< ping.getName()
<< " is not compatible with the config update, "
<< "you must wait 5 minutes "
<< "after shutting down a pre-" << minMongoVersion
<< " mongos");
}
}
}
}
catch (const DBException& e) {
return e.toStatus("could not read mongos pings collection");
}
//
// Load shards from config server
//
vector<ConnectionString> shardLocs;
try {
ScopedDbConnection& conn = *connPtr;
scoped_ptr<DBClientCursor> cursor(_safeCursor(conn->query(ShardType::ConfigNS,
Query())));
while (cursor->more()) {
BSONObj shardDoc = cursor->next();
ShardType shard;
string errMsg;
if (!shard.parseBSON(shardDoc, &errMsg) || !shard.isValid(&errMsg)) {
connPtr->done();
return Status(ErrorCodes::UnsupportedFormat,
stream() << "invalid shard " << shardDoc
<< " read from the config server" << causedBy(errMsg));
}
ConnectionString shardLoc = ConnectionString::parse(shard.getHost(), errMsg);
if (shardLoc.type() == ConnectionString::INVALID) {
connPtr->done();
return Status(ErrorCodes::UnsupportedFormat,
stream() << "invalid shard host " << shard.getHost()
<< " read from the config server" << causedBy(errMsg));
}
shardLocs.push_back(shardLoc);
//.........这里部分代码省略.........