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Java SDK for Hyperledger fabric project
/*
* Copyright 2016, 2017 IBM, DTCC, Fujitsu Australia Software Technology, IBM - All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.hyperledger.fabric.sdk.helper;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.log4j.Level;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import static java.lang.String.format;
/**
* Config allows for a global config of the toolkit. Central location for all
* toolkit configuration defaults. Has a local config file that can override any
* property defaults. Config file can be relocated via a system property
* "org.hyperledger.fabric.sdk.configuration". Any property can be overridden
* with environment variable and then overridden
* with a java system property. Property hierarchy goes System property
* overrides environment variable which overrides config file for default values specified here.
*/
public class Config {
private static final Log logger = LogFactory.getLog(Config.class);
private static final String DEFAULT_CONFIG = "config.properties";
public static final String ORG_HYPERLEDGER_FABRIC_SDK_CONFIGURATION = "org.hyperledger.fabric.sdk.configuration";
/**
* Timeout settings
**/
public static final String PROPOSAL_WAIT_TIME = "org.hyperledger.fabric.sdk.proposal.wait.time";
public static final String CHANNEL_CONFIG_WAIT_TIME = "org.hyperledger.fabric.sdk.channelconfig.wait_time";
public static final String TRANSACTION_CLEANUP_UP_TIMEOUT_WAIT_TIME = "org.hyperledger.fabric.sdk.client.transaction_cleanup_up_timeout_wait_time";
public static final String ORDERER_RETRY_WAIT_TIME = "org.hyperledger.fabric.sdk.orderer_retry.wait_time";
public static final String ORDERER_WAIT_TIME = "org.hyperledger.fabric.sdk.orderer.ordererWaitTimeMilliSecs";
public static final String PEER_EVENT_REGISTRATION_WAIT_TIME = "org.hyperledger.fabric.sdk.peer.eventRegistration.wait_time";
public static final String PEER_EVENT_RETRY_WAIT_TIME = "org.hyperledger.fabric.sdk.peer.retry_wait_time";
public static final String EVENTHUB_CONNECTION_WAIT_TIME = "org.hyperledger.fabric.sdk.eventhub_connection.wait_time";
public static final String EVENTHUB_RECONNECTION_WARNING_RATE = "org.hyperledger.fabric.sdk.eventhub.reconnection_warning_rate";
public static final String PEER_EVENT_RECONNECTION_WARNING_RATE = "org.hyperledger.fabric.sdk.peer.reconnection_warning_rate";
public static final String GENESISBLOCK_WAIT_TIME = "org.hyperledger.fabric.sdk.channel.genesisblock_wait_time";
/**
* Crypto configuration settings -- settings should not be changed.
**/
public static final String DEFAULT_CRYPTO_SUITE_FACTORY = "org.hyperledger.fabric.sdk.crypto.default_crypto_suite_factory";
public static final String SECURITY_LEVEL = "org.hyperledger.fabric.sdk.security_level";
public static final String SECURITY_PROVIDER_CLASS_NAME = "org.hyperledger.fabric.sdk.security_provider_class_name";
public static final String SECURITY_CURVE_MAPPING = "org.hyperledger.fabric.sdk.security_curve_mapping";
public static final String HASH_ALGORITHM = "org.hyperledger.fabric.sdk.hash_algorithm";
public static final String ASYMMETRIC_KEY_TYPE = "org.hyperledger.fabric.sdk.crypto.asymmetric_key_type";
public static final String CERTIFICATE_FORMAT = "org.hyperledger.fabric.sdk.crypto.certificate_format";
public static final String SIGNATURE_ALGORITHM = "org.hyperledger.fabric.sdk.crypto.default_signature_algorithm";
/**
* Logging settings
**/
public static final String MAX_LOG_STRING_LENGTH = "org.hyperledger.fabric.sdk.log.stringlengthmax";
public static final String EXTRALOGLEVEL = "org.hyperledger.fabric.sdk.log.extraloglevel"; // ORG_HYPERLEDGER_FABRIC_SDK_LOG_EXTRALOGLEVEL
public static final String LOGGERLEVEL = "org.hyperledger.fabric.sdk.loglevel"; // ORG_HYPERLEDGER_FABRIC_SDK_LOGLEVEL=TRACE,DEBUG
public static final String DIAGNOTISTIC_FILE_DIRECTORY = "org.hyperledger.fabric.sdk.diagnosticFileDir"; //ORG_HYPERLEDGER_FABRIC_SDK_DIAGNOSTICFILEDIR
/**
* Connections settings
*/
public static final String CONN_SSL_PROVIDER = "org.hyperledger.fabric.sdk.connections.ssl.sslProvider";
public static final String CONN_SSL_NEGTYPE = "org.hyperledger.fabric.sdk.connections.ssl.negotiationType";
/**
* Default HFClient thread executor settings.
*/
public static final String CLIENT_THREAD_EXECUTOR_COREPOOLSIZE = "org.hyperledger.fabric.sdk.client.thread_executor_corepoolsize";
public static final String CLIENT_THREAD_EXECUTOR_MAXIMUMPOOLSIZE = "org.hyperledger.fabric.sdk.client.thread_executor_maximumpoolsize";
public static final String CLIENT_THREAD_EXECUTOR_KEEPALIVETIME = "org.hyperledger.fabric.sdk.client.thread_executor_keepalivetime";
public static final String CLIENT_THREAD_EXECUTOR_KEEPALIVETIMEUNIT = "org.hyperledger.fabric.sdk.client.thread_executor_keepalivetimeunit";
/**
* Miscellaneous settings
**/
public static final String PROPOSAL_CONSISTENCY_VALIDATION = "org.hyperledger.fabric.sdk.proposal.consistency_validation";
public static final String SERVICE_DISCOVER_FREQ_SECONDS = "org.hyperledger.fabric.sdk.service_discovery.frequency_sec";
public static final String SERVICE_DISCOVER_WAIT_TIME = "org.hyperledger.fabric.sdk.service_discovery.discovery_wait_time";
public static final String SERVICE_DISCOVER_AS_LOCALHOST = "org.hyperledger.fabric.sdk.service_discovery.as_localhost";
private static Config config;
private static final Properties sdkProperties = new Properties();
private static final AtomicLong count = new AtomicLong(0);
//Provides a unique id for logging to identify a specific instance.
public String getNextID() {
return "" + count.incrementAndGet();
}
private Config() {
File loadFile;
FileInputStream configProps;
try {
loadFile = new File(System.getProperty(ORG_HYPERLEDGER_FABRIC_SDK_CONFIGURATION, DEFAULT_CONFIG))
.getAbsoluteFile();
logger.debug(format("Loading configuration from %s and it is present: %b", loadFile.toString(),
loadFile.exists()));
configProps = new FileInputStream(loadFile);
sdkProperties.load(configProps);
} catch (IOException e) {
logger.warn(format("Failed to load any configuration from: %s. Using toolkit defaults",
DEFAULT_CONFIG));
} finally {
// Default values
/**
* Timeout settings
**/
defaultProperty(PROPOSAL_WAIT_TIME, "120000");
defaultProperty(CHANNEL_CONFIG_WAIT_TIME, "15000");
defaultProperty(ORDERER_RETRY_WAIT_TIME, "200");
defaultProperty(ORDERER_WAIT_TIME, "10000");
defaultProperty(PEER_EVENT_REGISTRATION_WAIT_TIME, "5000");
defaultProperty(PEER_EVENT_RETRY_WAIT_TIME, "500");
defaultProperty(EVENTHUB_CONNECTION_WAIT_TIME, "5000");
defaultProperty(GENESISBLOCK_WAIT_TIME, "5000");
/**
* This will NOT complete any transaction futures time out and must be kept WELL above any expected future timeout
* for transactions sent to the Orderer. For internal cleanup only.
*/
defaultProperty(TRANSACTION_CLEANUP_UP_TIMEOUT_WAIT_TIME, "600000"); //10 min.
/**
* Crypto configuration settings
**/
defaultProperty(DEFAULT_CRYPTO_SUITE_FACTORY, "org.hyperledger.fabric.sdk.security.HLSDKJCryptoSuiteFactory");
defaultProperty(SECURITY_LEVEL, "256");
defaultProperty(SECURITY_PROVIDER_CLASS_NAME, BouncyCastleProvider.class.getName());
defaultProperty(SECURITY_CURVE_MAPPING, "256=secp256r1:384=secp384r1");
defaultProperty(HASH_ALGORITHM, "SHA2");
defaultProperty(ASYMMETRIC_KEY_TYPE, "EC");
defaultProperty(CERTIFICATE_FORMAT, "X.509");
defaultProperty(SIGNATURE_ALGORITHM, "SHA256withECDSA");
/**
* Connection defaults
*/
defaultProperty(CONN_SSL_PROVIDER, "openSSL");
defaultProperty(CONN_SSL_NEGTYPE, "TLS");
/**
* Default HFClient thread executor settings.
*/
defaultProperty(CLIENT_THREAD_EXECUTOR_COREPOOLSIZE, "0");
defaultProperty(CLIENT_THREAD_EXECUTOR_MAXIMUMPOOLSIZE, "" + Integer.MAX_VALUE);
defaultProperty(CLIENT_THREAD_EXECUTOR_KEEPALIVETIME, "" + "60");
defaultProperty(CLIENT_THREAD_EXECUTOR_KEEPALIVETIMEUNIT, "SECONDS");
/**
* Logging settings
**/
defaultProperty(MAX_LOG_STRING_LENGTH, "64");
defaultProperty(EXTRALOGLEVEL, "0");
defaultProperty(LOGGERLEVEL, null);
defaultProperty(DIAGNOTISTIC_FILE_DIRECTORY, null);
/**
* Miscellaneous settings
*/
defaultProperty(PROPOSAL_CONSISTENCY_VALIDATION, "true");
defaultProperty(EVENTHUB_RECONNECTION_WARNING_RATE, "50");
defaultProperty(PEER_EVENT_RECONNECTION_WARNING_RATE, "50");
defaultProperty(SERVICE_DISCOVER_FREQ_SECONDS, "120");
defaultProperty(SERVICE_DISCOVER_WAIT_TIME, "5000");
defaultProperty(SERVICE_DISCOVER_AS_LOCALHOST, "false");
final String inLogLevel = sdkProperties.getProperty(LOGGERLEVEL);
if (null != inLogLevel) {
org.apache.log4j.Level setTo;
switch (inLogLevel.toUpperCase()) {
case "TRACE":
setTo = org.apache.log4j.Level.TRACE;
break;
case "DEBUG":
setTo = org.apache.log4j.Level.DEBUG;
break;
case "INFO":
setTo = Level.INFO;
break;
case "WARN":
setTo = Level.WARN;
break;
case "ERROR":
setTo = Level.ERROR;
break;
default:
setTo = Level.INFO;
break;
}
if (null != setTo) {
org.apache.log4j.Logger.getLogger("org.hyperledger.fabric").setLevel(setTo);
}
}
}
}
/**
* getConfig return back singleton for SDK configuration.
*
* @return Global configuration
*/
public static Config getConfig() {
if (null == config) {
config = new Config();
}
return config;
}
/**
* getProperty return back property for the given value.
*
* @param property
* @return String value for the property
*/
private String getProperty(String property) {
String ret = sdkProperties.getProperty(property);
if (null == ret) {
logger.warn(format("No configuration value found for '%s'", property));
}
return ret;
}
private static void defaultProperty(String key, String value) {
String ret = System.getProperty(key);
if (ret != null) {
sdkProperties.put(key, ret);
} else {
String envKey = key.toUpperCase().replaceAll("\\.", "_");
ret = System.getenv(envKey);
if (null != ret) {
sdkProperties.put(key, ret);
} else {
if (null == sdkProperties.getProperty(key) && value != null) {
sdkProperties.put(key, value);
}
}
}
}
/**
* Get the configured security level. The value determines the elliptic curve used to generate keys.
*
* @return the security level.
*/
public int getSecurityLevel() {
return Integer.parseInt(getProperty(SECURITY_LEVEL));
}
/**
* Get the configured security provider.
* This is the security provider used for the default SDK crypto suite factory.
*
* @return the security provider.
*/
public String getSecurityProviderClassName() {
return getProperty(SECURITY_PROVIDER_CLASS_NAME);
}
/**
* Get the name of the configured hash algorithm, used for digital signatures.
*
* @return the hash algorithm name.
*/
public String getHashAlgorithm() {
return getProperty(HASH_ALGORITHM);
}
/**
* The default ssl provider for grpc connection
*
* @return The default ssl provider for grpc connection
*/
public String getDefaultSSLProvider() {
return getProperty(CONN_SSL_PROVIDER);
}
/**
* The default ssl negotiation type
*
* @return The default ssl negotiation type
*/
public String getDefaultSSLNegotiationType() {
return getProperty(CONN_SSL_NEGTYPE);
}
private Map curveMapping = null;
/**
* Get a mapping from strength to curve desired.
*
* @return mapping from strength to curve name to use.
*/
public Map getSecurityCurveMapping() {
if (curveMapping == null) {
curveMapping = parseSecurityCurveMappings(getProperty(SECURITY_CURVE_MAPPING));
}
return Collections.unmodifiableMap(curveMapping);
}
public static Map parseSecurityCurveMappings(final String property) {
Map lcurveMapping = new HashMap<>(8);
if (property != null && !property.isEmpty()) { //empty will be caught later.
String[] cmaps = property.split("[ \t]*:[ \t]*");
for (String mape : cmaps) {
String[] ep = mape.split("[ \t]*=[ \t]*");
if (ep.length != 2) {
logger.warn(format("Bad curve mapping for %s in property %s", mape, SECURITY_CURVE_MAPPING));
continue;
}
try {
int parseInt = Integer.parseInt(ep[0]);
lcurveMapping.put(parseInt, ep[1]);
} catch (NumberFormatException e) {
logger.warn(format("Bad curve mapping. Integer needed for strength %s for %s in property %s",
ep[0], mape, SECURITY_CURVE_MAPPING));
}
}
}
return lcurveMapping;
}
/**
* Get the timeout for a single proposal request to endorser.
*
* @return the timeout in milliseconds.
*/
public long getProposalWaitTime() {
return Long.parseLong(getProperty(PROPOSAL_WAIT_TIME));
}
/**
* Get the configured time to wait for genesis block.
*
* @return time in milliseconds.
*/
public long getGenesisBlockWaitTime() {
return Long.parseLong(getProperty(GENESISBLOCK_WAIT_TIME));
}
/**
* Time to wait for channel to be configured.
*
* @return
*/
public long getChannelConfigWaitTime() {
return Long.parseLong(getProperty(CHANNEL_CONFIG_WAIT_TIME));
}
/**
* Time to wait before retrying an operation.
*
* @return
*/
public long getOrdererRetryWaitTime() {
return Long.parseLong(getProperty(ORDERER_RETRY_WAIT_TIME));
}
public long getOrdererWaitTime() {
return Long.parseLong(getProperty(ORDERER_WAIT_TIME));
}
/**
* getPeerEventRegistrationWaitTime
*
* @return time in milliseconds to wait for peer eventing service to wait for event registration
*/
public long getPeerEventRegistrationWaitTime() {
return Long.parseLong(getProperty(PEER_EVENT_REGISTRATION_WAIT_TIME));
}
/**
* getPeerEventRegistrationWaitTime
*
* @return time in milliseconds to wait for peer eventing service to wait for event registration
*/
public long getPeerRetryWaitTime() {
return Long.parseLong(getProperty(PEER_EVENT_RETRY_WAIT_TIME));
}
/**
* The number of failed attempts to reissue a warning. Or -1 for none.
*
* @return The number of failed attempts to reissue a warning.
*/
public long getEventHubReconnectionWarningRate() {
return Long.parseLong(getProperty(EVENTHUB_RECONNECTION_WARNING_RATE));
}
public long getPeerEventReconnectionWarningRate() {
return Long.parseLong(getProperty(PEER_EVENT_RECONNECTION_WARNING_RATE));
}
/**
* How often serviced discovery is preformed in seconds.
*
* @return
*/
public int getServiceDiscoveryFreqSeconds() {
return Integer.parseInt(getProperty(SERVICE_DISCOVER_FREQ_SECONDS));
}
/**
* Time to wait for service discovery to complete.
*
* @return
*/
public int getServiceDiscoveryWaitTime() {
return Integer.parseInt(getProperty(SERVICE_DISCOVER_WAIT_TIME));
}
public boolean discoverAsLocalhost() {
return Boolean.parseBoolean(getProperty(SERVICE_DISCOVER_AS_LOCALHOST));
}
public long getEventHubConnectionWaitTime() {
return Long.parseLong(getProperty(EVENTHUB_CONNECTION_WAIT_TIME));
}
public String getAsymmetricKeyType() {
return getProperty(ASYMMETRIC_KEY_TYPE);
}
public String getCertificateFormat() {
return getProperty(CERTIFICATE_FORMAT);
}
public String getSignatureAlgorithm() {
return getProperty(SIGNATURE_ALGORITHM);
}
public String getDefaultCryptoSuiteFactory() {
return getProperty(DEFAULT_CRYPTO_SUITE_FACTORY);
}
public int maxLogStringLength() {
return Integer.parseInt(getProperty(MAX_LOG_STRING_LENGTH));
}
/**
* getProposalConsistencyValidation determine if validation of the proposals should
* be done before sending to the orderer.
*
* @return if true proposals will be checked they are consistent with each other before sending to the Orderer
*/
public boolean getProposalConsistencyValidation() {
return Boolean.parseBoolean(getProperty(PROPOSAL_CONSISTENCY_VALIDATION));
}
private int extraLogLevel = -1;
public boolean extraLogLevel(int val) {
if (extraLogLevel == -1) {
extraLogLevel = Integer.parseInt(getProperty(EXTRALOGLEVEL));
}
return val <= extraLogLevel;
}
DiagnosticFileDumper diagnosticFileDumper = null;
/**
* The directory where diagnostic dumps are to be place, null if none should be done.
*
* @return The directory where diagnostic dumps are to be place, null if none should be done.
*/
public DiagnosticFileDumper getDiagnosticFileDumper() {
if (diagnosticFileDumper != null) {
return diagnosticFileDumper;
}
String dd = sdkProperties.getProperty(DIAGNOTISTIC_FILE_DIRECTORY);
if (dd != null) {
diagnosticFileDumper = DiagnosticFileDumper.configInstance(new File(dd));
}
return diagnosticFileDumper;
}
/**
* This does NOT trigger futures time out and must be kept WELL above any expected future timeout
* for transactions sent to the Orderer
*
* @return
*/
public long getTransactionListenerCleanUpTimeout() {
return Long.parseLong(getProperty(TRANSACTION_CLEANUP_UP_TIMEOUT_WAIT_TIME));
}
/**
* The number of threads to keep in the pool, even if they are idle, unless {@code allowCoreThreadTimeOut} is set
*
* @return The number of threads to keep in the pool, even if they are idle, unless {@code allowCoreThreadTimeOut} is set
*/
public int getClientThreadExecutorCorePoolSize() {
return Integer.parseInt(getProperty(CLIENT_THREAD_EXECUTOR_COREPOOLSIZE));
}
/**
* maximumPoolSize the maximum number of threads to allow in the pool
*
* @return maximumPoolSize the maximum number of threads to allow in the pool
*/
public int getClientThreadExecutorMaxiumPoolSize() {
return Integer.parseInt(getProperty(CLIENT_THREAD_EXECUTOR_MAXIMUMPOOLSIZE));
}
/**
* keepAliveTime when the number of threads is greater than
* the core, this is the maximum time that excess idle threads
* will wait for new tasks before terminating.
*
* @return The keep alive time.
*/
public long getClientThreadExecutorKeepAliveTime() {
return Long.parseLong(getProperty(CLIENT_THREAD_EXECUTOR_KEEPALIVETIME));
}
/**
* the time unit for the argument
*
* @return
*/
public TimeUnit getClientThreadExecutorKeepAliveTimeUnit() {
return TimeUnit.valueOf(getProperty(CLIENT_THREAD_EXECUTOR_KEEPALIVETIMEUNIT));
}
}