//-------------------------------------------------------------------------------------
bool DBInterfaceMysql::processException(std::exception & e)
{
DBException* dbe = static_cast<DBException*>(&e);
bool retry = false;
if (dbe->isLostConnection())
{
INFO_MSG(boost::format("DBInterfaceMysql::processException: "
"Thread %p lost connection to database. Exception: %s. "
"Attempting to reconnect.\n") %
this %
dbe->what() );
int attempts = 1;
while (!this->reattach())
{
ERROR_MSG(boost::format("DBInterfaceMysql::processException: "
"Thread %p reconnect(%s) attempt %d failed(%s).\n") %
this %
db_name_ %
attempts %
getLastError());
KBEngine::sleep(30);
++attempts;
}
INFO_MSG(boost::format("DBInterfaceMysql::processException: "
"Thread %p reconnected(%s). Attempts = %d\n") %
this %
db_name_ %
attempts);
retry = true;
}
else if (dbe->shouldRetry())
{
WARNING_MSG(boost::format("DBInterfaceMysql::processException: Retrying %1%\nException:%2%\nnlastquery=%3%\n") %
this % dbe->what() % lastquery_);
retry = true;
}
else
{
WARNING_MSG(boost::format("DBInterfaceMysql::processException: "
"Exception: %1%\nlastquery=%2%\n") %
dbe->what() % lastquery_);
}
return retry;
}
//-------------------------------------------------------------------------------------
bool DBInterfaceMysql::processException(std::exception & e)
{
DBException* dbe = static_cast<DBException*>(&e);
bool retry = false;
if (dbe->isLostConnection())
{
INFO_MSG(fmt::format("DBInterfaceMysql::processException: "
"Thread {:p} lost connection to database. Exception: {}. "
"Attempting to reconnect.\n",
(void*)this,
dbe->what()));
int attempts = 1;
while (!this->reattach())
{
ERROR_MSG(fmt::format("DBInterfaceMysql::processException: "
"Thread {:p} reconnect({}) attempt {} failed({}).\n",
(void*)this,
db_name_,
attempts,
getLastError()));
KBEngine::sleep(30);
++attempts;
}
INFO_MSG(fmt::format("DBInterfaceMysql::processException: "
"Thread {:p} reconnected({}). Attempts = {}\n",
(void*)this,
db_name_,
attempts));
retry = true;
}
else if (dbe->shouldRetry())
{
WARNING_MSG(fmt::format("DBInterfaceMysql::processException: Retrying {:p}\nException:{}\nnlastquery={}\n",
(void*)this, dbe->what(), lastquery_));
retry = true;
}
else
{
WARNING_MSG(fmt::format("DBInterfaceMysql::processException: "
"Exception: {}\nlastquery={}\n",
dbe->what(), lastquery_));
}
return retry;
}
static BSONObj buildErrReply(const DBException& ex) {
BSONObjBuilder errB;
errB.append("$err", ex.what());
errB.append("code", ex.getCode());
if (!ex._shard.empty()) {
errB.append("shard", ex._shard);
}
return errB.obj();
}