DBClientBase* DBConnectionPool::get(const string& host) {
boostlock L(poolMutex);
PoolForHost *&p = pools[host];
if ( p == 0 )
p = new PoolForHost();
if ( p->pool.empty() ) {
string errmsg;
DBClientBase *c;
if( host.find(',') == string::npos ) {
DBClientConnection *cc = new DBClientConnection(true);
if ( !cc->connect(host.c_str(), errmsg) ) {
delete cc;
uassert( (string)"dbconnectionpool: connect failed" + host , false);
return 0;
}
c = cc;
}
else {
DBClientPaired *p = new DBClientPaired();
if( !p->connect(host) ) {
delete p;
uassert( (string)"dbconnectionpool: connect failed [2] " + host , false);
return 0;
}
c = p;
}
return c;
}
DBClientBase *c = p->pool.front();
p->pool.pop();
return c;
}
// "./db testclient" to invoke
void testClient3() {
out() << "testClient()" << endl;
// DBClientConnection c(true);
DBClientPaired c;
string err;
if ( !c.connect("10.211.55.2", "1.2.3.4") ) {
// if( !c.connect("10.211.55.2", err) ) {
out() << "testClient: connect() failed" << endl;
}
else {
// temp:
out() << "test query returns: " << c.findOne("foo.bar", fromjson("{}")).toString() << endl;
}
again:
out() << "query foo.bar..." << endl;
auto_ptr<DBClientCursor> cursor =
c.query("foo.bar", BSONObj(), 0, 0, 0, Option_CursorTailable);
DBClientCursor *cc = cursor.get();
if ( cc == 0 ) {
out() << "query() returned 0, sleeping 10 secs" << endl;
sleepsecs(10);
goto again;
}
while ( 1 ) {
bool m;
try {
m = cc->more();
} catch (AssertionException&) {
out() << "more() asserted, sleeping 10 sec" << endl;
goto again;
}
out() << "more: " << m << " dead:" << cc->isDead() << endl;
if ( !m ) {
if ( cc->isDead() )
out() << "cursor dead, stopping" << endl;
else {
out() << "Sleeping 10 seconds" << endl;
sleepsecs(10);
continue;
}
break;
}
out() << cc->next().toString() << endl;
}
}
void testPaired() {
DBClientPaired p;
log() << "connect returns " << p.connect("localhost:27017", "localhost:27018") << endl;
//DBClientConnection p(true);
string errmsg;
// log() << "connect " << p.connect("localhost", errmsg) << endl;
log() << "auth " << p.auth("dwight", "u", "p", errmsg) << endl;
while( 1 ) {
sleepsecs(3);
try {
log() << "findone returns " << p.findOne("dwight.foo", BSONObj()).toString() << endl;
sleepsecs(3);
BSONObj info;
bool im;
log() << "ismaster returns " << p.isMaster(im,&info) << " info: " << info.toString() << endl;
}
catch(...) {
cout << "caught exception" << endl;
}
}
}
int Tool::main( int argc , char ** argv ){
static StaticObserver staticObserver;
cmdLine.prealloc = false;
boost::filesystem::path::default_name_check( boost::filesystem::no_check );
_name = argv[0];
/* using the same style as db.cpp */
int command_line_style = (((po::command_line_style::unix_style ^
po::command_line_style::allow_guessing) |
po::command_line_style::allow_long_disguise) ^
po::command_line_style::allow_sticky);
try {
po::options_description all_options("all options");
all_options.add(*_options).add(*_hidden_options);
po::store( po::command_line_parser( argc , argv ).
options(all_options).
positional( _positonalOptions ).
style(command_line_style).run() , _params );
po::notify( _params );
} catch (po::error &e) {
cerr << "ERROR: " << e.what() << endl << endl;
printHelp(cerr);
return EXIT_BADOPTIONS;
}
// hide password from ps output
for (int i=0; i < (argc-1); ++i){
if (!strcmp(argv[i], "-p") || !strcmp(argv[i], "--password")){
char* arg = argv[i+1];
while (*arg){
*arg++ = 'x';
}
}
}
if ( _params.count( "help" ) ){
printHelp(cout);
return 0;
}
if ( _params.count( "verbose" ) ) {
logLevel = 1;
}
for (string s = "vv"; s.length() <= 10; s.append("v")) {
if (_params.count(s)) {
logLevel = s.length();
}
}
preSetup();
bool useDirectClient = hasParam( "dbpath" );
if ( ! useDirectClient ) {
_host = "127.0.0.1";
if ( _params.count( "host" ) )
_host = _params["host"].as<string>();
if ( _params.count( "port" ) )
_host += ':' + _params["port"].as<string>();
if ( _noconnection ){
// do nothing
}
else if ( _host.find( "," ) == string::npos ){
DBClientConnection * c = new DBClientConnection( _autoreconnect );
_conn = c;
string errmsg;
if ( ! c->connect( _host , errmsg ) ){
cerr << "couldn't connect to [" << _host << "] " << errmsg << endl;
return -1;
}
}
else {
log(1) << "using pairing" << endl;
DBClientPaired * c = new DBClientPaired();
_paired = true;
_conn = c;
if ( ! c->connect( _host ) ){
cerr << "couldn't connect to paired server: " << _host << endl;
return -1;
}
}
(_usesstdout ? cout : cerr ) << "connected to: " << _host << endl;
}
else {
if ( _params.count( "directoryperdb" ) ) {
directoryperdb = true;
}
assert( lastError.get( true ) );
Client::initThread("tools");
_conn = new DBDirectClient();
_host = "DIRECT";
static string myDbpath = getParam( "dbpath" );
dbpath = myDbpath.c_str();
try {
acquirePathLock();
}
catch ( DBException& e ){
cerr << endl << "If you are running a mongod on the same "
"path you should connect to that instead of direct data "
"file access" << endl << endl;
dbexit( EXIT_CLEAN );
return -1;
}
theFileAllocator().start();
}
if ( _params.count( "db" ) )
_db = _params["db"].as<string>();
if ( _params.count( "collection" ) )
_coll = _params["collection"].as<string>();
if ( _params.count( "username" ) )
_username = _params["username"].as<string>();
if ( _params.count( "password" )
&& ( _password.empty() ) ) {
_password = askPassword();
}
if (_params.count("ipv6"))
enableIPv6();
int ret = -1;
try {
ret = run();
}
catch ( DBException& e ){
cerr << "assertion: " << e.toString() << endl;
ret = -1;
}
if ( currentClient.get() )
currentClient->shutdown();
if ( useDirectClient )
dbexit( EXIT_CLEAN );
return ret;
}
int mongo::Tool::main( int argc , char ** argv ){
boost::filesystem::path::default_name_check( boost::filesystem::no_check );
_name = argv[0];
/* using the same style as db.cpp */
int command_line_style = (((po::command_line_style::unix_style ^
po::command_line_style::allow_guessing) |
po::command_line_style::allow_long_disguise) ^
po::command_line_style::allow_sticky);
try {
po::options_description all_options("all options");
all_options.add(*_options).add(*_hidden_options);
po::store( po::command_line_parser( argc , argv ).
options(all_options).
positional( _positonalOptions ).
style(command_line_style).run() , _params );
po::notify( _params );
} catch (po::error &e) {
cerr << "ERROR: " << e.what() << endl << endl;
printHelp(cerr);
return EXIT_BADOPTIONS;
}
if ( _params.count( "help" ) ){
printHelp(cerr);
return 0;
}
if ( _params.count( "verbose" ) ) {
logLevel = 1;
}
for (string s = "vv"; s.length() <= 10; s.append("v")) {
if (_params.count(s)) {
logLevel = s.length();
}
}
if ( ! hasParam( "dbpath" ) ) {
_host = "127.0.0.1";
if ( _params.count( "host" ) )
_host = _params["host"].as<string>();
if ( _host.find( "," ) == string::npos ){
DBClientConnection * c = new DBClientConnection();
_conn = c;
string errmsg;
if ( ! c->connect( _host , errmsg ) ){
cerr << "couldn't connect to [" << _host << "] " << errmsg << endl;
return -1;
}
}
else {
log(1) << "using pairing" << endl;
DBClientPaired * c = new DBClientPaired();
_paired = true;
_conn = c;
if ( ! c->connect( _host ) ){
cerr << "couldn't connect to paired server: " << _host << endl;
return -1;
}
}
cerr << "connected to: " << _host << endl;
}
else {
Client::initThread("tools");
_conn = new DBDirectClient();
_host = "DIRECT";
static string myDbpath = getParam( "dbpath" );
mongo::dbpath = myDbpath.c_str();
mongo::acquirePathLock();
theFileAllocator().start();
}
if ( _params.count( "db" ) )
_db = _params["db"].as<string>();
if ( _params.count( "collection" ) )
_coll = _params["collection"].as<string>();
if ( _params.count( "username" ) )
_username = _params["username"].as<string>();
if ( _params.count( "password" ) )
_password = _params["password"].as<string>();
int ret = -1;
try {
ret = run();
}
catch ( DBException& e ){
cerr << "assertion: " << e.toString() << endl;
ret = -1;
}
if ( currentClient.get() )
currentClient->shutdown();
return ret;
}