AudioProcessor::AudioProcessor()
: wrapperType (wrapperTypeBeingCreated.get()),
playHead (nullptr),
sampleRate (0),
blockSize (0),
latencySamples (0),
#if JUCE_DEBUG
textRecursionCheck (false),
#endif
suspended (false),
nonRealtime (false),
processingPrecision (singlePrecision)
{
#if ! JucePlugin_IsMidiEffect
#ifdef JucePlugin_PreferredChannelConfigurations
const short channelConfigs[][2] = { JucePlugin_PreferredChannelConfigurations };
#else
const short channelConfigs[][2] = { {2, 2} };
#endif
int numChannelConfigs = sizeof (channelConfigs) / sizeof (*channelConfigs);
if (numChannelConfigs > 0)
{
#if ! JucePlugin_IsSynth
busArrangement.inputBuses.add (AudioProcessorBus ("Input", AudioChannelSet::canonicalChannelSet (channelConfigs[0][0])));
#endif
busArrangement.outputBuses.add (AudioProcessorBus ("Output", AudioChannelSet::canonicalChannelSet (channelConfigs[0][1])));
}
#endif
updateSpeakerFormatStrings();
}
JNIEnv* getEnv() noexcept
{
JNIEnv* env = androidJNIEnv.get();
jassert (env != nullptr);
return env;
}
void AudioProcessor::initialise (const BusesProperties& ioConfig)
{
cachedTotalIns = 0;
cachedTotalOuts = 0;
wrapperType = wrapperTypeBeingCreated.get();
playHead = nullptr;
currentSampleRate = 0;
blockSize = 0;
latencySamples = 0;
#if JUCE_DEBUG
textRecursionCheck = false;
#endif
suspended = false;
nonRealtime = false;
processingPrecision = singlePrecision;
const int numInputBuses = ioConfig.inputLayouts.size();
const int numOutputBuses = ioConfig.outputLayouts.size();
for (int i = 0; i < numInputBuses; ++i)
createBus (true, ioConfig.inputLayouts. getReference (i));
for (int i = 0; i < numOutputBuses; ++i)
createBus (false, ioConfig.outputLayouts.getReference (i));
updateSpeakerFormatStrings();
}
BSONObj JSRand(const BSONObj& a, void* data) {
uassert(12519, "rand accepts no arguments", a.nFields() == 0);
unsigned r;
#if !defined(_WIN32)
r = rand_r(&_randomSeed.getRef());
#else
r = rand();
#endif
return BSON("" << double(r) / (double(RAND_MAX) + 1));
}
BSONObj JSSrand( const BSONObj &a, void* data ) {
uassert( 12518, "srand requires a single numeric argument",
a.nFields() == 1 && a.firstElement().isNumber() );
#if !defined(_WIN32)
_randomSeed.set( static_cast< unsigned int >( a.firstElement().numberLong() ) ); // grab least significant digits
#else
srand( static_cast< unsigned int >( a.firstElement().numberLong() ) );
#endif
return undefinedReturn;
}
AudioProcessor::AudioProcessor()
: wrapperType (wrapperTypeBeingCreated.get()),
playHead (nullptr),
currentSampleRate (0),
blockSize (0),
latencySamples (0),
#if JUCE_DEBUG
textRecursionCheck (false),
#endif
suspended (false),
nonRealtime (false),
processingPrecision (singlePrecision)
{
#ifdef JucePlugin_PreferredChannelConfigurations
const short channelConfigs[][2] = { JucePlugin_PreferredChannelConfigurations };
#else
const short channelConfigs[][2] = { {2, 2} };
#endif
#ifdef JucePlugin_MaxNumInputChannels
const int maxInChannels = JucePlugin_MaxNumInputChannels;
#else
const int maxInChannels = std::numeric_limits<int>::max();
#endif
ignoreUnused (maxInChannels);
#ifdef JucePlugin_MaxNumOutputChannels
const int maxOutChannels = JucePlugin_MaxNumOutputChannels;
#else
const int maxOutChannels = std::numeric_limits<int>::max();
#endif
ignoreUnused (maxOutChannels);
#if ! JucePlugin_IsMidiEffect
// #if ! JucePlugin_IsSynth
const int numInChannels = jmin (maxInChannels, (int) channelConfigs[0][0]);
if (numInChannels > 0)
busArrangement.inputBuses.add (AudioProcessorBus ("Input", AudioChannelSet::canonicalChannelSet (numInChannels)));
// #endif
const int numOutChannels = jmin (maxOutChannels, (int) channelConfigs[0][1]);
if (numOutChannels > 0)
busArrangement.outputBuses.add (AudioProcessorBus ("Output", AudioChannelSet::canonicalChannelSet (numOutChannels)));
#ifdef JucePlugin_PreferredChannelConfigurations
// #if ! JucePlugin_IsSynth
AudioProcessor::setPreferredBusArrangement (true, 0, AudioChannelSet::stereo());
// #endif
AudioProcessor::setPreferredBusArrangement (false, 0, AudioChannelSet::stereo());
#endif
#endif
updateSpeakerFormatStrings();
}
static void check(const char *tname) {
StackChecker *sc = checker.get();
const char *p = sc->buf;
int i = 0;
for( ; i < SZ; i++ ) {
if( p[i] != 42 )
break;
}
log() << "thread " << tname << " stack usage was " << SZ-i << " bytes" << endl;
wassert( i > 16000 );
}
AudioProcessor::AudioProcessor()
: wrapperType (wrapperTypeBeingCreated.get()),
playHead (nullptr),
sampleRate (0),
blockSize (0),
numInputChannels (0),
numOutputChannels (0),
latencySamples (0),
suspended (false),
nonRealtime (false)
{
}
BSONObj JSSrand(const BSONObj& a, void* data) {
unsigned int seed;
// grab the least significant bits of either the supplied argument or
// a random number from SecureRandom.
if (a.nFields() == 1 && a.firstElement().isNumber())
seed = static_cast<unsigned int>(a.firstElement().numberLong());
else {
std::unique_ptr<SecureRandom> rand(SecureRandom::create());
seed = static_cast<unsigned int>(rand->nextInt64());
}
#if !defined(_WIN32)
_randomSeed.set(seed);
#else
srand(seed);
#endif
return BSON("" << static_cast<double>(seed));
}
void setEnv (JNIEnv* env) noexcept
{
androidJNIEnv.get() = env;
}
namespace shell_utils {
std::string _dbConnect;
std::string _dbAuth;
const char* argv0 = 0;
void RecordMyLocation(const char* _argv0) {
argv0 = _argv0;
}
// helpers
BSONObj makeUndefined() {
BSONObjBuilder b;
b.appendUndefined("");
return b.obj();
}
const BSONObj undefinedReturn = makeUndefined();
BSONElement singleArg(const BSONObj& args) {
uassert(12597, "need to specify 1 argument", args.nFields() == 1);
return args.firstElement();
}
const char* getUserDir() {
#ifdef _WIN32
return getenv("USERPROFILE");
#else
return getenv("HOME");
#endif
}
// real methods
BSONObj JSGetMemInfo(const BSONObj& args, void* data) {
ProcessInfo pi;
uassert(10258, "processinfo not supported", pi.supported());
BSONObjBuilder e;
e.append("virtual", pi.getVirtualMemorySize());
e.append("resident", pi.getResidentSize());
BSONObjBuilder b;
b.append("ret", e.obj());
return b.obj();
}
#if !defined(_WIN32)
ThreadLocalValue<unsigned int> _randomSeed;
#endif
BSONObj JSSrand(const BSONObj& a, void* data) {
unsigned int seed;
// grab the least significant bits of either the supplied argument or
// a random number from SecureRandom.
if (a.nFields() == 1 && a.firstElement().isNumber())
seed = static_cast<unsigned int>(a.firstElement().numberLong());
else {
std::unique_ptr<SecureRandom> rand(SecureRandom::create());
seed = static_cast<unsigned int>(rand->nextInt64());
}
#if !defined(_WIN32)
_randomSeed.set(seed);
#else
srand(seed);
#endif
return BSON("" << static_cast<double>(seed));
}
BSONObj JSRand(const BSONObj& a, void* data) {
uassert(12519, "rand accepts no arguments", a.nFields() == 0);
unsigned r;
#if !defined(_WIN32)
r = rand_r(&_randomSeed.getRef());
#else
r = rand();
#endif
return BSON("" << double(r) / (double(RAND_MAX) + 1));
}
BSONObj isWindows(const BSONObj& a, void* data) {
uassert(13006, "isWindows accepts no arguments", a.nFields() == 0);
#ifdef _WIN32
return BSON("" << true);
#else
return BSON("" << false);
#endif
}
BSONObj getBuildInfo(const BSONObj& a, void* data) {
uassert(16822, "getBuildInfo accepts no arguments", a.nFields() == 0);
BSONObjBuilder b;
VersionInfoInterface::instance().appendBuildInfo(&b);
return BSON("" << b.done());
}
BSONObj isKeyTooLarge(const BSONObj& a, void* data) {
uassert(17428, "keyTooLarge takes exactly 2 arguments", a.nFields() == 2);
BSONObjIterator i(a);
BSONObj index = i.next().Obj();
BSONObj doc = i.next().Obj();
return BSON("" << isAnyIndexKeyTooLarge(index, doc));
}
BSONObj validateIndexKey(const BSONObj& a, void* data) {
BSONObj key = a[0].Obj();
Status indexValid = validateKeyPattern(key);
if (!indexValid.isOK()) {
return BSON("" << BSON("ok" << false << "type" << indexValid.codeString() << "errmsg"
<< indexValid.reason()));
}
return BSON("" << BSON("ok" << true));
}
BSONObj replMonitorStats(const BSONObj& a, void* data) {
uassert(17134,
"replMonitorStats requires a single string argument (the ReplSet name)",
a.nFields() == 1 && a.firstElement().type() == String);
ReplicaSetMonitorPtr rsm = ReplicaSetMonitor::get(a.firstElement().valuestrsafe());
if (!rsm) {
return BSON(""
<< "no ReplSetMonitor exists by that name");
}
BSONObjBuilder result;
rsm->appendInfo(result);
return result.obj();
}
BSONObj useWriteCommandsDefault(const BSONObj& a, void* data) {
return BSON("" << shellGlobalParams.useWriteCommandsDefault);
}
BSONObj writeMode(const BSONObj&, void*) {
return BSON("" << shellGlobalParams.writeMode);
}
BSONObj readMode(const BSONObj&, void*) {
return BSON("" << shellGlobalParams.readMode);
}
BSONObj interpreterVersion(const BSONObj& a, void* data) {
uassert(16453, "interpreterVersion accepts no arguments", a.nFields() == 0);
return BSON("" << getGlobalScriptEngine()->getInterpreterVersionString());
}
BSONObj createCertificateRequest(const BSONObj& a, void* data) {
#ifndef MONGO_CONFIG_SSL
return BSON(
"" << BSON("ok" << false << "errmsg"
<< "Cannot create a certificate signing request without SSL support"));
#else
if (a.nFields() != 1 || a.firstElement().type() != Object) {
return BSON(
"" << BSON("ok" << false << "errmsg"
<< "createCertificateRequest requires a single object argument"));
}
// args can optionally contain some to be determined fields...
BSONObj args = a.firstElement().embeddedObject();
if (!args.hasField("CN")) {
return BSON(
"" << BSON("ok" << false << "errmsg"
<< "createCertificateRequest requires a Common Name (\"CN\") field"));
}
// Generate key pair and certificate signing request
RSA* rsa;
EVP_PKEY* pkey;
X509_REQ* x509req;
X509_NAME* name;
BIO* out;
char client_key[2048];
char client_csr[2048];
pkey = EVP_PKEY_new();
if (!pkey) {
return BSON("" << BSON("ok" << false));
// fail("couldn't generate key");
}
rsa = RSA_generate_key(2048, RSA_F4, NULL, NULL);
if (!EVP_PKEY_assign_RSA(pkey, rsa)) {
return BSON("" << BSON("ok" << false));
// fail("couldn't assign the key");
}
x509req = X509_REQ_new();
X509_REQ_set_pubkey(x509req, pkey);
name = X509_NAME_new();
X509_NAME_add_entry_by_txt(name, "C", MBSTRING_ASC, (const unsigned char*)"IS", -1, -1, 0);
X509_NAME_add_entry_by_txt(name, "O", MBSTRING_ASC, (const unsigned char*)"MongoDB", -1, -1, 0);
X509_NAME_add_entry_by_txt(
name, "OU", MBSTRING_ASC, (const unsigned char*)"SkunkWorks client", -1, -1, 0);
X509_NAME_add_entry_by_txt(
name, "CN", MBSTRING_ASC, (const unsigned char*)args.getStringField("CN"), -1, -1, 0);
X509_REQ_set_subject_name(x509req, name);
X509_REQ_set_version(x509req, 2);
if (!X509_REQ_sign(x509req, pkey, EVP_sha1())) {
return BSON("" << BSON("ok" << false));
}
// out = BIO_new_file("client.key.pem", "wb");
out = BIO_new(BIO_s_mem());
if (!PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, NULL)) {
return BSON("" << BSON("ok" << false));
// fail("can't write private key");
}
int i = BIO_read(out, &client_key, sizeof client_key);
client_key[i] = '\0';
BIO_free_all(out);
out = BIO_new(BIO_s_mem());
if (!PEM_write_bio_X509_REQ_NEW(out, x509req)) {
return BSON("" << BSON("ok" << false));
// fail("coudln't write csr");
}
i = BIO_read(out, &client_csr, sizeof client_csr);
client_csr[i] = '\0';
BIO_free_all(out);
EVP_PKEY_free(pkey);
X509_REQ_free(x509req);
return BSON("" << BSON("ok" << true << "certificateRequest" << client_csr << "privateKey"
<< client_key));
#endif
}
void installShellUtils(Scope& scope) {
scope.injectNative("getMemInfo", JSGetMemInfo);
scope.injectNative("_replMonitorStats", replMonitorStats);
scope.injectNative("_srand", JSSrand);
scope.injectNative("_rand", JSRand);
scope.injectNative("_isWindows", isWindows);
scope.injectNative("interpreterVersion", interpreterVersion);
scope.injectNative("getBuildInfo", getBuildInfo);
scope.injectNative("isKeyTooLarge", isKeyTooLarge);
scope.injectNative("validateIndexKey", validateIndexKey);
scope.injectNative("createCertificateRequest", createCertificateRequest);
#ifndef MONGO_SAFE_SHELL
// can't launch programs
installShellUtilsLauncher(scope);
installShellUtilsExtended(scope);
#endif
}
void initScope(Scope& scope) {
// Need to define this method before JSFiles::utils is executed.
scope.injectNative("_useWriteCommandsDefault", useWriteCommandsDefault);
scope.injectNative("_writeMode", writeMode);
scope.injectNative("_readMode", readMode);
scope.externalSetup();
mongo::shell_utils::installShellUtils(scope);
scope.execSetup(JSFiles::servers);
scope.execSetup(JSFiles::shardingtest);
scope.execSetup(JSFiles::servers_misc);
scope.execSetup(JSFiles::replsettest);
scope.execSetup(JSFiles::bridge);
scope.injectNative("benchRun", BenchRunner::benchRunSync);
scope.injectNative("benchRunSync", BenchRunner::benchRunSync);
scope.injectNative("benchStart", BenchRunner::benchStart);
scope.injectNative("benchFinish", BenchRunner::benchFinish);
if (!_dbConnect.empty()) {
uassert(12513, "connect failed", scope.exec(_dbConnect, "(connect)", false, true, false));
}
if (!_dbAuth.empty()) {
uassert(12514, "login failed", scope.exec(_dbAuth, "(auth)", true, true, false));
}
}
Prompter::Prompter(const string& prompt) : _prompt(prompt), _confirmed() {}
bool Prompter::confirm() {
if (_confirmed) {
return true;
}
// The printf and scanf functions provide thread safe i/o.
printf("\n%s (y/n): ", _prompt.c_str());
char yn = '\0';
int nScanMatches = scanf("%c", &yn);
bool matchedY = (nScanMatches == 1 && (yn == 'y' || yn == 'Y'));
return _confirmed = matchedY;
}
ConnectionRegistry::ConnectionRegistry() = default;
void ConnectionRegistry::registerConnection(DBClientWithCommands& client) {
BSONObj info;
if (client.runCommand("admin", BSON("whatsmyuri" << 1), info)) {
string connstr = dynamic_cast<DBClientBase&>(client).getServerAddress();
stdx::lock_guard<stdx::mutex> lk(_mutex);
_connectionUris[connstr].insert(info["you"].str());
}
}
void ConnectionRegistry::killOperationsOnAllConnections(bool withPrompt) const {
Prompter prompter("do you want to kill the current op(s) on the server?");
stdx::lock_guard<stdx::mutex> lk(_mutex);
for (map<string, set<string>>::const_iterator i = _connectionUris.begin();
i != _connectionUris.end();
++i) {
auto status = ConnectionString::parse(i->first);
if (!status.isOK()) {
continue;
}
const ConnectionString cs(status.getValue());
string errmsg;
std::unique_ptr<DBClientWithCommands> conn(cs.connect("MongoDB Shell", errmsg));
if (!conn) {
continue;
}
const set<string>& uris = i->second;
BSONObj currentOpRes;
conn->runPseudoCommand("admin", "currentOp", "$cmd.sys.inprog", {}, currentOpRes);
if (!currentOpRes["inprog"].isABSONObj()) {
// We don't have permissions (or the call didn't succeed) - go to the next connection.
continue;
}
auto inprog = currentOpRes["inprog"].embeddedObject();
for (const auto op : inprog) {
// For sharded clusters, `client_s` is used instead and `client` is not present.
string client;
if (auto elem = op["client"]) {
// mongod currentOp client
if (elem.type() != String) {
warning() << "Ignoring operation " << op["opid"].toString(false)
<< "; expected 'client' field in currentOp response to have type "
"string, but found "
<< typeName(elem.type());
continue;
}
client = elem.str();
} else if (auto elem = op["client_s"]) {
// mongos currentOp client
if (elem.type() != String) {
warning() << "Ignoring operation " << op["opid"].toString(false)
<< "; expected 'client_s' field in currentOp response to have type "
"string, but found "
<< typeName(elem.type());
continue;
}
client = elem.str();
} else {
// Internal operation, like TTL index.
continue;
}
if (uris.count(client)) {
if (!withPrompt || prompter.confirm()) {
BSONObjBuilder cmdBob;
BSONObj info;
cmdBob.appendAs(op["opid"], "op");
auto cmdArgs = cmdBob.done();
conn->runPseudoCommand("admin", "killOp", "$cmd.sys.killop", cmdArgs, info);
} else {
return;
}
}
}
}
}
ConnectionRegistry connectionRegistry;
bool _nokillop = false;
void onConnect(DBClientWithCommands& c) {
if (_nokillop) {
return;
}
// Only override the default rpcProtocols if they were set on the command line.
if (shellGlobalParams.rpcProtocols) {
c.setClientRPCProtocols(*shellGlobalParams.rpcProtocols);
}
connectionRegistry.registerConnection(c);
}
bool fileExists(const std::string& file) {
try {
#ifdef _WIN32
boost::filesystem::path p(toWideString(file.c_str()));
#else
boost::filesystem::path p(file);
#endif
return boost::filesystem::exists(p);
} catch (...) {
return false;
}
}
stdx::mutex& mongoProgramOutputMutex(*(new stdx::mutex()));
}
StackChecker() {
checker.set(this);
}
namespace mongo {
Client* Client::syncThread;
mongo::mutex Client::clientsMutex("clientsMutex");
set<Client*> Client::clients; // always be in clientsMutex when manipulating this
boost::thread_specific_ptr<Client> currentClient;
#if defined(_DEBUG)
struct StackChecker;
ThreadLocalValue<StackChecker *> checker;
struct StackChecker {
enum { SZ = 256 * 1024 };
char buf[SZ];
StackChecker() {
checker.set(this);
}
void init() {
memset(buf, 42, sizeof(buf));
}
static void check(const char *tname) {
StackChecker *sc = checker.get();
const char *p = sc->buf;
int i = 0;
for( ; i < SZ; i++ ) {
if( p[i] != 42 )
break;
}
log() << "thread " << tname << " stack usage was " << SZ-i << " bytes" << endl;
wassert( i > 16000 );
}
};
#endif
/* each thread which does db operations has a Client object in TLS.
call this when your thread starts.
*/
Client& Client::initThread(const char *desc, AbstractMessagingPort *mp) {
#if defined(_DEBUG)
{
if( sizeof(void*) == 8 ) {
StackChecker sc;
sc.init();
}
}
#endif
assert( currentClient.get() == 0 );
Client *c = new Client(desc, mp);
currentClient.reset(c);
mongo::lastError.initThread();
return *c;
}
Client::Client(const char *desc, AbstractMessagingPort *p) :
_context(0),
_shutdown(false),
_desc(desc),
_god(0),
_lastOp(0),
_mp(p) {
_connectionId = setThreadName(desc);
_curOp = new CurOp( this );
scoped_lock bl(clientsMutex);
clients.insert(this);
}
Client::~Client() {
_god = 0;
if ( _context )
error() << "Client::~Client _context should be null but is not; client:" << _desc << endl;
if ( ! _shutdown ) {
error() << "Client::shutdown not called: " << _desc << endl;
}
scoped_lock bl(clientsMutex);
if ( ! _shutdown )
clients.erase(this);
delete _curOp;
}
bool Client::shutdown() {
#if defined(_DEBUG)
{
if( sizeof(void*) == 8 ) {
StackChecker::check( desc() );
}
}
#endif
_shutdown = true;
if ( inShutdown() )
return false;
{
scoped_lock bl(clientsMutex);
clients.erase(this);
if ( isSyncThread() ) {
syncThread = 0;
}
}
return false;
}
BSONObj CachedBSONObj::_tooBig = fromjson("{\"$msg\":\"query not recording (too large)\"}");
AtomicUInt CurOp::_nextOpNum;
Client::Context::Context( string ns , Database * db, bool doauth )
: _client( currentClient.get() ) , _oldContext( _client->_context ) ,
_path( dbpath ) , _lock(0) , _justCreated(false) {
assert( db && db->isOk() );
_ns = ns;
_db = db;
_client->_context = this;
if ( doauth )
_auth();
}
Client::Context::Context(const string& ns, string path , mongolock * lock , bool doauth )
: _client( currentClient.get() ) , _oldContext( _client->_context ) ,
_path( path ) , _lock( lock ) ,
_ns( ns ), _db(0) {
_finishInit( doauth );
}
/* this version saves the context but doesn't yet set the new one: */
Client::Context::Context()
: _client( currentClient.get() ) , _oldContext( _client->_context ),
_path( dbpath ) , _lock(0) , _justCreated(false), _db(0) {
_client->_context = this;
clear();
}
void Client::Context::_finishInit( bool doauth ) {
int lockState = dbMutex.getState();
assert( lockState );
if ( lockState > 0 && FileAllocator::get()->hasFailed() ) {
uassert(14031, "Can't take a write lock while out of disk space", false);
}
_db = dbHolder.get( _ns , _path );
if ( _db ) {
_justCreated = false;
}
else if ( lockState > 0 ) {
// already in a write lock
_db = dbHolder.getOrCreate( _ns , _path , _justCreated );
assert( _db );
}
else if ( lockState < -1 ) {
// nested read lock :(
assert( _lock );
_lock->releaseAndWriteLock();
_db = dbHolder.getOrCreate( _ns , _path , _justCreated );
assert( _db );
}
else {
// we have a read lock, but need to get a write lock for a bit
// we need to be in a write lock since we're going to create the DB object
// to do that, we're going to unlock, then get a write lock
// this is so that if this is the first query and its long doesn't block db
// we just have to check that the db wasn't closed in the interim where we unlock
for ( int x=0; x<2; x++ ) {
{
dbtemprelease unlock;
writelock lk( _ns );
dbHolder.getOrCreate( _ns , _path , _justCreated );
}
_db = dbHolder.get( _ns , _path );
if ( _db )
break;
log() << "db was closed on us right after we opened it: " << _ns << endl;
}
uassert( 13005 , "can't create db, keeps getting closed" , _db );
}
switch ( _client->_curOp->getOp() ) {
case dbGetMore: // getMore's are special and should be handled else where
case dbUpdate: // update & delete check shard version in instance.cpp, so don't check here as well
case dbDelete:
break;
default: {
string errmsg;
if ( ! shardVersionOk( _ns , errmsg ) ) {
ostringstream os;
os << "[" << _ns << "] shard version not ok in Client::Context: " << errmsg;
msgassertedNoTrace( StaleConfigInContextCode , os.str().c_str() );
}
}
}
_client->_context = this;
_client->_curOp->enter( this );
if ( doauth )
_auth( lockState );
}
void Client::Context::_auth( int lockState ) {
if ( _client->_ai.isAuthorizedForLock( _db->name , lockState ) )
return;
// before we assert, do a little cleanup
_client->_context = _oldContext; // note: _oldContext may be null
stringstream ss;
ss << "unauthorized db:" << _db->name << " lock type:" << lockState << " client:" << _client->clientAddress();
uasserted( 10057 , ss.str() );
}
Client::Context::~Context() {
DEV assert( _client == currentClient.get() );
_client->_curOp->leave( this );
_client->_context = _oldContext; // note: _oldContext may be null
}
bool Client::Context::inDB( const string& db , const string& path ) const {
if ( _path != path )
return false;
if ( db == _ns )
return true;
string::size_type idx = _ns.find( db );
if ( idx != 0 )
return false;
return _ns[db.size()] == '.';
}
void Client::appendLastOp( BSONObjBuilder& b ) const {
if( theReplSet ) {
b.append("lastOp" , (long long) _lastOp);
}
else {
OpTime lo(_lastOp);
if ( ! lo.isNull() )
b.appendTimestamp( "lastOp" , lo.asDate() );
}
}
string Client::clientAddress(bool includePort) const {
if( _curOp )
return _curOp->getRemoteString(includePort);
return "";
}
string Client::toString() const {
stringstream ss;
if ( _curOp )
ss << _curOp->infoNoauth().jsonString();
return ss.str();
}
string sayClientState() {
Client* c = currentClient.get();
if ( !c )
return "no client";
return c->toString();
}
Client* curopWaitingForLock( int type ) {
Client * c = currentClient.get();
assert( c );
CurOp * co = c->curop();
if ( co ) {
co->waitingForLock( type );
}
return c;
}
void curopGotLock(Client *c) {
assert(c);
CurOp * co = c->curop();
if ( co )
co->gotLock();
}
void KillCurrentOp::interruptJs( AtomicUInt *op ) {
if ( !globalScriptEngine )
return;
if ( !op ) {
globalScriptEngine->interruptAll();
}
else {
globalScriptEngine->interrupt( *op );
}
}
void KillCurrentOp::killAll() {
_globalKill = true;
interruptJs( 0 );
}
void KillCurrentOp::kill(AtomicUInt i) {
bool found = false;
{
scoped_lock l( Client::clientsMutex );
for( set< Client* >::const_iterator j = Client::clients.begin(); !found && j != Client::clients.end(); ++j ) {
for( CurOp *k = ( *j )->curop(); !found && k; k = k->parent() ) {
if ( k->opNum() == i ) {
k->kill();
for( CurOp *l = ( *j )->curop(); l != k; l = l->parent() ) {
l->kill();
}
found = true;
}
}
}
}
if ( found ) {
interruptJs( &i );
}
}
CurOp::~CurOp() {
if ( _wrapped ) {
scoped_lock bl(Client::clientsMutex);
_client->_curOp = _wrapped;
}
_client = 0;
}
BSONObj CurOp::infoNoauth() {
BSONObjBuilder b;
b.append("opid", _opNum);
bool a = _active && _start;
b.append("active", a);
if ( _lockType )
b.append("lockType" , _lockType > 0 ? "write" : "read" );
b.append("waitingForLock" , _waitingForLock );
if( a ) {
b.append("secs_running", elapsedSeconds() );
}
b.append( "op" , opToString( _op ) );
b.append("ns", _ns);
_query.append( b , "query" );
// b.append("inLock", ??
stringstream clientStr;
clientStr << _remote.toString();
b.append("client", clientStr.str());
if ( _client )
b.append( "desc" , _client->desc() );
if ( ! _message.empty() ) {
if ( _progressMeter.isActive() ) {
StringBuilder buf(128);
buf << _message.toString() << " " << _progressMeter.toString();
b.append( "msg" , buf.str() );
BSONObjBuilder sub( b.subobjStart( "progress" ) );
sub.appendNumber( "done" , (long long)_progressMeter.done() );
sub.appendNumber( "total" , (long long)_progressMeter.total() );
sub.done();
}
else {
b.append( "msg" , _message.toString() );
}
}
if( killed() )
b.append("killed", true);
return b.obj();
}
void Client::gotHandshake( const BSONObj& o ) {
BSONObjIterator i(o);
{
BSONElement id = i.next();
assert( id.type() );
_remoteId = id.wrap( "_id" );
}
BSONObjBuilder b;
while ( i.more() )
b.append( i.next() );
_handshake = b.obj();
}
class HandshakeCmd : public Command {
public:
void help(stringstream& h) const { h << "internal"; }
HandshakeCmd() : Command( "handshake" ) {}
virtual LockType locktype() const { return NONE; }
virtual bool slaveOk() const { return true; }
virtual bool adminOnly() const { return false; }
virtual bool run(const string& , BSONObj& cmdObj, string& errmsg, BSONObjBuilder& result, bool fromRepl) {
Client& c = cc();
c.gotHandshake( cmdObj );
return 1;
}
} handshakeCmd;
class ClientListPlugin : public WebStatusPlugin {
public:
ClientListPlugin() : WebStatusPlugin( "clients" , 20 ) {}
virtual void init() {}
virtual void run( stringstream& ss ) {
using namespace mongoutils::html;
ss << "\n<table border=1 cellpadding=2 cellspacing=0>";
ss << "<tr align='left'>"
<< th( a("", "Connections to the database, both internal and external.", "Client") )
<< th( a("http://www.mongodb.org/display/DOCS/Viewing+and+Terminating+Current+Operation", "", "OpId") )
<< "<th>Active</th>"
<< "<th>LockType</th>"
<< "<th>Waiting</th>"
<< "<th>SecsRunning</th>"
<< "<th>Op</th>"
<< th( a("http://www.mongodb.org/display/DOCS/Developer+FAQ#DeveloperFAQ-What%27sa%22namespace%22%3F", "", "Namespace") )
<< "<th>Query</th>"
<< "<th>client</th>"
<< "<th>msg</th>"
<< "<th>progress</th>"
<< "</tr>\n";
{
scoped_lock bl(Client::clientsMutex);
for( set<Client*>::iterator i = Client::clients.begin(); i != Client::clients.end(); i++ ) {
Client *c = *i;
CurOp& co = *(c->curop());
ss << "<tr><td>" << c->desc() << "</td>";
tablecell( ss , co.opNum() );
tablecell( ss , co.active() );
{
int lt = co.getLockType();
if( lt == -1 ) tablecell(ss, "R");
else if( lt == 1 ) tablecell(ss, "W");
else
tablecell( ss , lt);
}
tablecell( ss , co.isWaitingForLock() );
if ( co.active() )
tablecell( ss , co.elapsedSeconds() );
else
tablecell( ss , "" );
tablecell( ss , co.getOp() );
tablecell( ss , co.getNS() );
if ( co.haveQuery() ) {
tablecell( ss , co.query() );
}
else
tablecell( ss , "" );
tablecell( ss , co.getRemoteString() );
tablecell( ss , co.getMessage() );
tablecell( ss , co.getProgressMeter().toString() );
ss << "</tr>\n";
}
}
ss << "</table>\n";
}
} clientListPlugin;
int Client::recommendedYieldMicros( int * writers , int * readers ) {
int num = 0;
int w = 0;
int r = 0;
{
scoped_lock bl(clientsMutex);
for ( set<Client*>::iterator i=clients.begin(); i!=clients.end(); ++i ) {
Client* c = *i;
if ( c->curop()->isWaitingForLock() ) {
num++;
if ( c->curop()->getLockType() > 0 )
w++;
else
r++;
}
}
}
if ( writers )
*writers = w;
if ( readers )
*readers = r;
int time = r * 100;
time += w * 500;
time = min( time , 1000000 );
// there has been a kill request for this op - we should yield to allow the op to stop
// This function returns empty string if we aren't interrupted
if ( killCurrentOp.checkForInterruptNoAssert( false )[0] != '\0' ) {
return 100;
}
return time;
}
int Client::getActiveClientCount( int& writers, int& readers ) {
writers = 0;
readers = 0;
scoped_lock bl(clientsMutex);
for ( set<Client*>::iterator i=clients.begin(); i!=clients.end(); ++i ) {
Client* c = *i;
if ( ! c->curop()->active() )
continue;
int l = c->curop()->getLockType();
if ( l > 0 )
writers++;
else if ( l < 0 )
readers++;
}
return writers + readers;
}
void OpDebug::reset() {
extra.reset();
op = 0;
iscommand = false;
ns = "";
query = BSONObj();
updateobj = BSONObj();
cursorid = 0;
ntoreturn = 0;
ntoskip = 0;
exhaust = false;
nscanned = 0;
idhack = false;
scanAndOrder = false;
moved = false;
fastmod = false;
fastmodinsert = false;
upsert = false;
keyUpdates = 0;
exceptionInfo.reset();
executionTime = 0;
nreturned = 0;
responseLength = 0;
}
#define OPDEBUG_TOSTRING_HELP(x) if( x ) s << " " #x ":" << (x)
string OpDebug::toString() const {
StringBuilder s( ns.size() + 64 );
if ( iscommand )
s << "command ";
else
s << opToString( op ) << ' ';
s << ns.toString();
if ( ! query.isEmpty() ) {
if ( iscommand )
s << " command: ";
else
s << " query: ";
s << query.toString();
}
if ( ! updateobj.isEmpty() ) {
s << " update: ";
updateobj.toString( s );
}
OPDEBUG_TOSTRING_HELP( cursorid );
OPDEBUG_TOSTRING_HELP( ntoreturn );
OPDEBUG_TOSTRING_HELP( ntoskip );
OPDEBUG_TOSTRING_HELP( exhaust );
OPDEBUG_TOSTRING_HELP( nscanned );
OPDEBUG_TOSTRING_HELP( idhack );
OPDEBUG_TOSTRING_HELP( scanAndOrder );
OPDEBUG_TOSTRING_HELP( moved );
OPDEBUG_TOSTRING_HELP( fastmod );
OPDEBUG_TOSTRING_HELP( fastmodinsert );
OPDEBUG_TOSTRING_HELP( upsert );
OPDEBUG_TOSTRING_HELP( keyUpdates );
if ( extra.len() )
s << " " << extra.str();
if ( ! exceptionInfo.empty() ) {
s << " exception: " << exceptionInfo.msg;
if ( exceptionInfo.code )
s << " code:" << exceptionInfo.code;
}
OPDEBUG_TOSTRING_HELP( nreturned );
if ( responseLength )
s << " reslen:" << responseLength;
s << " " << executionTime << "ms";
return s.str();
}
#define OPDEBUG_APPEND_NUMBER(x) if( x ) b.append( #x , (x) )
#define OPDEBUG_APPEND_BOOL(x) if( x ) b.appendBool( #x , (x) )
void OpDebug::append( BSONObjBuilder& b ) const {
b.append( "op" , iscommand ? "command" : opToString( op ) );
b.append( "ns" , ns.toString() );
if ( ! query.isEmpty() )
b.append( iscommand ? "command" : "query" , query );
if ( ! updateobj.isEmpty() )
b.append( "updateobj" , updateobj );
OPDEBUG_APPEND_NUMBER( cursorid );
OPDEBUG_APPEND_NUMBER( ntoreturn );
OPDEBUG_APPEND_NUMBER( ntoskip );
OPDEBUG_APPEND_BOOL( exhaust );
OPDEBUG_APPEND_NUMBER( nscanned );
OPDEBUG_APPEND_BOOL( idhack );
OPDEBUG_APPEND_BOOL( scanAndOrder );
OPDEBUG_APPEND_BOOL( moved );
OPDEBUG_APPEND_BOOL( fastmod );
OPDEBUG_APPEND_BOOL( fastmodinsert );
OPDEBUG_APPEND_BOOL( upsert );
OPDEBUG_APPEND_NUMBER( keyUpdates );
if ( ! exceptionInfo.empty() )
exceptionInfo.append( b , "exception" , "exceptionCode" );
OPDEBUG_APPEND_NUMBER( nreturned );
OPDEBUG_APPEND_NUMBER( responseLength );
b.append( "millis" , executionTime );
}
}