commit caf66ea9a513295c679dd80d425034dce465fba5 Author: Christian Basler Date: Fri Mar 20 14:18:29 2015 +0100 Some basic entities and project structure diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..273f257 --- /dev/null +++ b/.gitignore @@ -0,0 +1,158 @@ +# Created by https://www.gitignore.io + +### Gradle ### +.gradle +build/ + +# Ignore Gradle GUI config +gradle-app.setting + +# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored) +!gradle-wrapper.jar + + +### Intellij ### +# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm + +*.iml + +## Directory-based project format: +.idea/ +# if you remove the above rule, at least ignore the following: + +# User-specific stuff: +# .idea/workspace.xml +# .idea/tasks.xml +# .idea/dictionaries + +# Sensitive or high-churn files: +# .idea/dataSources.ids +# .idea/dataSources.xml +# .idea/sqlDataSources.xml +# .idea/dynamic.xml +# .idea/uiDesigner.xml + +# Gradle: +# .idea/gradle.xml +# .idea/libraries + +# Mongo Explorer plugin: +# .idea/mongoSettings.xml + +## File-based project format: +*.ipr +*.iws + +## Plugin-specific files: + +# IntelliJ +/out/ + +# mpeltonen/sbt-idea plugin +.idea_modules/ + +# JIRA plugin +atlassian-ide-plugin.xml + +# Crashlytics plugin (for Android Studio and IntelliJ) +com_crashlytics_export_strings.xml +crashlytics.properties +crashlytics-build.properties + + +### Eclipse ### +*.pydevproject +.metadata +.gradle +bin/ +tmp/ +*.tmp +*.bak +*.swp +*~.nib +local.properties +.settings/ +.loadpath + +# Eclipse Core +.project + +# External tool builders +.externalToolBuilders/ + +# Locally stored "Eclipse launch configurations" +*.launch + +# CDT-specific +.cproject + +# JDT-specific (Eclipse Java Development Tools) +.classpath + +# PDT-specific +.buildpath + +# sbteclipse plugin +.target + +# TeXlipse plugin +.texlipse + + +### Linux ### +*~ + +# KDE directory preferences +.directory + +# Linux trash folder which might appear on any partition or disk +.Trash-* + + +### OSX ### +.DS_Store +.AppleDouble +.LSOverride + +# Icon must end with two \r +Icon + +# Thumbnails +._* + +# Files that might appear in the root of a volume +.DocumentRevisions-V100 +.fseventsd +.Spotlight-V100 +.TemporaryItems +.Trashes +.VolumeIcon.icns + +# Directories potentially created on remote AFP share +.AppleDB +.AppleDesktop +Network Trash Folder +Temporary Items +.apdisk + + +### Windows ### +# Windows image file caches +Thumbs.db +ehthumbs.db + +# Folder config file +Desktop.ini + +# Recycle Bin used on file shares +$RECYCLE.BIN/ + +# Windows Installer files +*.cab +*.msi +*.msm +*.msp + +# Windows shortcuts +*.lnk + diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..8dada3e --- /dev/null +++ b/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright {yyyy} {name of copyright owner} + + 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. diff --git a/build.gradle b/build.gradle new file mode 100644 index 0000000..2fa9f16 --- /dev/null +++ b/build.gradle @@ -0,0 +1,12 @@ +apply plugin: 'java' + +sourceCompatibility = 1.7 +version = '1.0' + +repositories { + mavenCentral() +} + +dependencies { + testCompile 'junit:junit:4.11' +} \ No newline at end of file diff --git a/domain/build.gradle b/domain/build.gradle new file mode 100644 index 0000000..34a213a --- /dev/null +++ b/domain/build.gradle @@ -0,0 +1,12 @@ +apply plugin: 'java' + +sourceCompatibility = 1.7 +version = '1.0' + +repositories { + mavenCentral() +} + +dependencies { + testCompile group: 'junit', name: 'junit', version: '4.11' +} \ No newline at end of file diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/Addr.java b/domain/src/main/java/ch/dissem/bitmessage/entity/Addr.java new file mode 100644 index 0000000..b2b09e4 --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/entity/Addr.java @@ -0,0 +1,65 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.entity; + +import ch.dissem.bitmessage.entity.valueobject.NetworkAddress; +import ch.dissem.bitmessage.utils.Encode; + +import java.io.IOException; +import java.io.OutputStream; +import java.util.ArrayList; +import java.util.List; + +/** + * Created by chris on 13.03.15. + */ +public class Addr implements MessagePayload { + private final List addresses; + + private Addr(Builder builder) { + addresses = builder.addresses; + } + + @Override + public String getCommand() { + return "addr"; + } + + @Override + public void write(OutputStream stream) throws IOException { + Encode.varInt(addresses.size(), stream); + for (NetworkAddress address : addresses) { + address.write(stream); + } + } + + public static final class Builder { + private List addresses = new ArrayList(); + + public Builder() { + } + + public Builder addAddress(final NetworkAddress address) { + this.addresses.add(address); + return this; + } + + public Addr build() { + return new Addr(this); + } + } +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/MessagePayload.java b/domain/src/main/java/ch/dissem/bitmessage/entity/MessagePayload.java new file mode 100644 index 0000000..0f1df1f --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/entity/MessagePayload.java @@ -0,0 +1,24 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.entity; + +/** + * Created by chris on 10.03.15. + */ +public interface MessagePayload extends Streamable { + String getCommand(); +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/NetworkMessage.java b/domain/src/main/java/ch/dissem/bitmessage/entity/NetworkMessage.java new file mode 100644 index 0000000..c8b7518 --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/entity/NetworkMessage.java @@ -0,0 +1,90 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.entity; + +import ch.dissem.bitmessage.utils.Encode; + +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.security.GeneralSecurityException; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; +import java.security.NoSuchProviderException; + +/** + * Created by chris on 10.03.15. + */ +public class NetworkMessage implements Streamable { + /** + * Magic value indicating message origin network, and used to seek to next message when stream state is unknown + */ + private final static int MAGIC = 0xE9BEB4D9; + + private MessagePayload payload; + + public NetworkMessage(MessagePayload payload) { + this.payload = payload; + } + + /** + * First 4 bytes of sha512(payload) + */ + private byte[] getChecksum(byte[] bytes) throws NoSuchProviderException, NoSuchAlgorithmException { + MessageDigest mda = MessageDigest.getInstance("SHA-512"); + byte[] d = mda.digest(bytes); + return new byte[]{d[0], d[1], d[2], d[3]}; + } + + /** + * The actual data, a message or an object. Not to be confused with objectPayload. + */ + public MessagePayload getPayload() { + return payload; + } + + @Override + public void write(OutputStream stream) throws IOException { + // magic + Encode.int32(MAGIC, stream); + + // ASCII string identifying the packet content, NULL padded (non-NULL padding results in packet rejected) + stream.write(payload.getCommand().getBytes("ASCII")); + for (int i = payload.getCommand().length(); i < 12; i++) { + stream.write('\0'); + } + + ByteArrayOutputStream payloadStream = new ByteArrayOutputStream(); + payload.write(payloadStream); + byte[] payloadBytes = payloadStream.toByteArray(); + + // Length of payload in number of bytes. Because of other restrictions, there is no reason why this length would + // ever be larger than 1600003 bytes. Some clients include a sanity-check to avoid processing messages which are + // larger than this. + Encode.int32(payloadBytes.length, stream); + + // checksum + try { + stream.write(getChecksum(payloadBytes)); + } catch (GeneralSecurityException e) { + throw new RuntimeException(e); + } + + // message payload + stream.write(payloadBytes); + } +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/ObjectPayload.java b/domain/src/main/java/ch/dissem/bitmessage/entity/ObjectPayload.java new file mode 100644 index 0000000..f7b280f --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/entity/ObjectPayload.java @@ -0,0 +1,23 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.entity; + +/** + * Created by chris on 16.03.15. + */ +public interface ObjectPayload { +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/Streamable.java b/domain/src/main/java/ch/dissem/bitmessage/entity/Streamable.java new file mode 100644 index 0000000..389a242 --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/entity/Streamable.java @@ -0,0 +1,27 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.entity; + +import java.io.IOException; +import java.io.OutputStream; + +/** + * Created by chris on 10.03.15. + */ +public interface Streamable { + void write(OutputStream stream) throws IOException; +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/VerAck.java b/domain/src/main/java/ch/dissem/bitmessage/entity/VerAck.java new file mode 100644 index 0000000..97a0010 --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/entity/VerAck.java @@ -0,0 +1,35 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.entity; + +import java.io.IOException; +import java.io.OutputStream; + +/** + * Created by chris on 10.03.15. + */ +public class VerAck implements MessagePayload { + @Override + public String getCommand() { + return "verack"; + } + + @Override + public void write(OutputStream stream) throws IOException { + // NO OP + } +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/Version.java b/domain/src/main/java/ch/dissem/bitmessage/entity/Version.java new file mode 100644 index 0000000..e22027d --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/entity/Version.java @@ -0,0 +1,191 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.entity; + +import ch.dissem.bitmessage.entity.valueobject.NetworkAddress; +import ch.dissem.bitmessage.utils.Encode; + +import java.io.IOException; +import java.io.OutputStream; +import java.util.Random; + +/** + * Created by chris on 10.03.15. + */ +public class Version implements MessagePayload { + /** + * Identifies protocol version being used by the node. Should equal 3. Nodes should disconnect if the remote node's + * version is lower but continue with the connection if it is higher. + */ + private final int version; + + /** + * bitfield of features to be enabled for this connection + */ + private final long services; + + /** + * standard UNIX timestamp in seconds + */ + private final long timestamp; + + /** + * The network address of the node receiving this message (not including the time or stream number) + */ + private final NetworkAddress addrRecv; + + /** + * The network address of the node emitting this message (not including the time or stream number and the ip itself + * is ignored by the receiver) + */ + private final NetworkAddress addrFrom; + + /** + * Random nonce used to detect connections to self. + */ + private final long nonce; + + /** + * User Agent (0x00 if string is 0 bytes long). Sending nodes must not include a user_agent longer than 5000 bytes. + */ + private final String userAgent; + + /** + * The stream numbers that the emitting node is interested in. Sending nodes must not include more than 160000 + * stream numbers. + */ + private final long[] streamNumbers; + + public int getVersion() { + return version; + } + + public long getServices() { + return services; + } + + public long getTimestamp() { + return timestamp; + } + + public NetworkAddress getAddrRecv() { + return addrRecv; + } + + public NetworkAddress getAddrFrom() { + return addrFrom; + } + + public long getNonce() { + return nonce; + } + + public String getUserAgent() { + return userAgent; + } + + public long[] getStreamNumbers() { + return streamNumbers; + } + + private Version(Builder builder) { + version = builder.version; + services = builder.services; + timestamp = builder.timestamp; + addrRecv = builder.addrRecv; + addrFrom = builder.addrFrom; + nonce = builder.nonce; + userAgent = builder.userAgent; + streamNumbers = builder.streamNumbers; + } + + @Override + public String getCommand() { + return "ver"; + } + + @Override + public void write(OutputStream stream) throws IOException { + Encode.int32(version, stream); + Encode.int64(services, stream); + Encode.int64(timestamp, stream); + addrRecv.write(stream); + addrFrom.write(stream); + Encode.int64(nonce, stream); + Encode.varString(userAgent, stream); + Encode.varIntList(streamNumbers, stream); + } + + + public static final class Builder { + private int version = 3; + private long services = 1; // This is a normal network node + private long timestamp = System.currentTimeMillis() / 1000; + private NetworkAddress addrRecv; + private NetworkAddress addrFrom; + private long nonce = new Random().nextInt(); + private String userAgent = "/Jabit:0.0.1/"; + private long[] streamNumbers = {1}; + + public Builder() { + } + + public Builder version(int version) { + this.version = version; + return this; + } + + public Builder services(long services) { + this.services = services; + return this; + } + + public Builder timestamp(long timestamp) { + this.timestamp = timestamp; + return this; + } + + public Builder addrRecv(NetworkAddress addrRecv) { + this.addrRecv = addrRecv; + return this; + } + + public Builder addrFrom(NetworkAddress addrFrom) { + this.addrFrom = addrFrom; + return this; + } + + public Builder nonce(long nonce) { + this.nonce = nonce; + return this; + } + + public Builder userAgent(String userAgent) { + this.userAgent = userAgent; + return this; + } + + public Builder streamNumbers(long... streamNumbers) { + this.streamNumbers = streamNumbers; + return this; + } + + public Version build() { + return new Version(this); + } + } +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/valueobject/InventoryVector.java b/domain/src/main/java/ch/dissem/bitmessage/entity/valueobject/InventoryVector.java new file mode 100644 index 0000000..4cd1b62 --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/entity/valueobject/InventoryVector.java @@ -0,0 +1,41 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.entity.valueobject; + +import ch.dissem.bitmessage.entity.Streamable; + +import java.io.IOException; +import java.io.OutputStream; + +/** + * Created by chris on 13.03.15. + */ +public class InventoryVector implements Streamable { + /** + * Hash of the object + */ + private final byte[] hash; + + public InventoryVector(byte[] hash) { + this.hash = hash; + } + + @Override + public void write(OutputStream stream) throws IOException { + stream.write(hash); + } +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/entity/valueobject/NetworkAddress.java b/domain/src/main/java/ch/dissem/bitmessage/entity/valueobject/NetworkAddress.java new file mode 100644 index 0000000..be1864d --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/entity/valueobject/NetworkAddress.java @@ -0,0 +1,155 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.entity.valueobject; + +import ch.dissem.bitmessage.entity.Streamable; +import ch.dissem.bitmessage.utils.Encode; + +import java.io.IOException; +import java.io.OutputStream; +import java.net.InetAddress; +import java.net.UnknownHostException; +import java.util.Arrays; +import java.util.Objects; + +/** + * Created by chris on 10.03.15. + */ +public class NetworkAddress implements Streamable { + private long time; + + /** + * Stream number for this node + */ + private int stream; + + /** + * same service(s) listed in version + */ + private long services; + + /** + * IPv6 address. IPv4 addresses are written into the message as a 16 byte IPv4-mapped IPv6 address + * (12 bytes 00 00 00 00 00 00 00 00 00 00 FF FF, followed by the 4 bytes of the IPv4 address). + */ + private byte[] ipv6; + private int port; + + public int getPort() { + return port; + } + + public InetAddress toInetAddress() { + try { + return InetAddress.getByAddress(ipv6); + } catch (UnknownHostException e) { + throw new RuntimeException(e); + } + } + + private NetworkAddress(Builder builder) { + time = builder.time; + stream = builder.stream; + services = builder.services; + ipv6 = builder.ipv6; + port = builder.port; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + + NetworkAddress that = (NetworkAddress) o; + + return port == that.port && Arrays.equals(ipv6, that.ipv6); + } + + @Override + public int hashCode() { + int result = ipv6 != null ? Arrays.hashCode(ipv6) : 0; + result = 31 * result + port; + return result; + } + + @Override + public void write(OutputStream stream) throws IOException { + Encode.int64(time, stream); + Encode.int32(this.stream, stream); + Encode.int64(services, stream); + stream.write(ipv6); + Encode.int16(port, stream); + } + + public static final class Builder { + private long time; + private int stream; + private long services = 1; + private byte[] ipv6; + private int port; + + public Builder() { + } + + public Builder time(final long time) { + this.time = time; + return this; + } + + public Builder stream(final int stream) { + this.stream = stream; + return this; + } + + public Builder services(final long services) { + this.services = services; + return this; + } + + public Builder ipv6(int p00, int p01, int p02, int p03, + int p04, int p05, int p06, int p07, + int p08, int p09, int p10, int p11, + int p12, int p13, int p14, int p15) { + this.ipv6 = new byte[]{ + (byte) p00, (byte) p01, (byte) p02, (byte) p03, + (byte) p04, (byte) p05, (byte) p06, (byte) p07, + (byte) p08, (byte) p09, (byte) p10, (byte) p11, + (byte) p12, (byte) p13, (byte) p14, (byte) p15 + }; + return this; + } + + public Builder ipv4(int p00, int p01, int p02, int p03) { + this.ipv6 = new byte[]{ + (byte) 0, (byte) 0, (byte) 0x00, (byte) 0x00, + (byte) 0, (byte) 0, (byte) 0x00, (byte) 0x00, + (byte) 0, (byte) 0, (byte) 0xff, (byte) 0xff, + (byte) p00, (byte) p01, (byte) p02, (byte) p03 + }; + return this; + } + + public Builder port(final int port) { + this.port = port; + return this; + } + + public NetworkAddress build() { + return new NetworkAddress(this); + } + } +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/ports/Inventory.java b/domain/src/main/java/ch/dissem/bitmessage/ports/Inventory.java new file mode 100644 index 0000000..68f7565 --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/ports/Inventory.java @@ -0,0 +1,37 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.ports; + +import ch.dissem.bitmessage.entity.ObjectPayload; +import ch.dissem.bitmessage.entity.valueobject.InventoryVector; + +import java.util.List; + +/** + * Created by chris on 16.03.15. + */ +public interface Inventory { + public List getInventory(); + + public List getMissing(List offer); + + public ObjectPayload getObject(InventoryVector vector); + + public void storeObject(InventoryVector vector, ObjectPayload object); + + public void cleanup(); +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/ports/NetworkMessageReceiver.java b/domain/src/main/java/ch/dissem/bitmessage/ports/NetworkMessageReceiver.java new file mode 100644 index 0000000..6fe83c3 --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/ports/NetworkMessageReceiver.java @@ -0,0 +1,33 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.ports; + +import ch.dissem.bitmessage.entity.NetworkMessage; +import ch.dissem.bitmessage.entity.valueobject.NetworkAddress; + +/** + * Created by chris on 16.03.15. + */ +public interface NetworkMessageReceiver { + public void registerListener(int port); + + public void registerListener(NetworkAddress node, MessageListener listener); + + public static interface MessageListener { + public void receive(NetworkMessage message); + } +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/ports/NetworkMessageSender.java b/domain/src/main/java/ch/dissem/bitmessage/ports/NetworkMessageSender.java new file mode 100644 index 0000000..7218c9b --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/ports/NetworkMessageSender.java @@ -0,0 +1,27 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.ports; + +import ch.dissem.bitmessage.entity.NetworkMessage; +import ch.dissem.bitmessage.entity.valueobject.NetworkAddress; + +/** + * Created by chris on 16.03.15. + */ +public interface NetworkMessageSender { + public void send(NetworkAddress node, NetworkMessage message); +} diff --git a/domain/src/main/java/ch/dissem/bitmessage/utils/Encode.java b/domain/src/main/java/ch/dissem/bitmessage/utils/Encode.java new file mode 100644 index 0000000..9c1fcc1 --- /dev/null +++ b/domain/src/main/java/ch/dissem/bitmessage/utils/Encode.java @@ -0,0 +1,77 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.utils; + +import java.io.IOException; +import java.io.OutputStream; +import java.nio.ByteBuffer; + +/** + * Created by chris on 13.03.15. + */ +public class Encode { + public static void varIntList(long[] values, OutputStream stream) throws IOException { + varInt(values.length, stream); + for (long value : values) { + varInt(value, stream); + } + } + + public static void varInt(long value, OutputStream stream) throws IOException { + if (value < 0) { + // This is due to the fact that Java doesn't really support unsigned values. + // Please be aware that this might be an error due to a smaller negative value being cast to long. + // Normally, negative values shouldn't occur within the protocol, and I large enough longs + // to being recognized as negatives aren't realistic. + stream.write(0xff); + int64(value, stream); + } else if (value < 0xfd) { + int8(value, stream); + } else if (value <= 0xffffL) { + stream.write(0xfd); + int16(value, stream); + } else if (value <= 0xffffffffL) { + stream.write(0xfe); + int32(value, stream); + } else { + stream.write(0xff); + int64(value, stream); + } + } + + public static void int8(long value, OutputStream stream) throws IOException { + stream.write((int) value); + } + + public static void int16(long value, OutputStream stream) throws IOException { + stream.write(ByteBuffer.allocate(4).putInt((int) value).array(), 2, 2); + } + + public static void int32(long value, OutputStream stream) throws IOException { + stream.write(ByteBuffer.allocate(4).putInt((int) value).array()); + } + + public static void int64(long value, OutputStream stream) throws IOException { + stream.write(ByteBuffer.allocate(8).putLong(value).array()); + } + + public static void varString(String value, OutputStream stream) throws IOException { + byte[] bytes = value.getBytes("utf-8"); + varInt(bytes.length, stream); + stream.write(bytes); + } +} diff --git a/domain/src/test/java/ch/dissem/bitmessage/utils/EncodeTest.java b/domain/src/test/java/ch/dissem/bitmessage/utils/EncodeTest.java new file mode 100644 index 0000000..3489112 --- /dev/null +++ b/domain/src/test/java/ch/dissem/bitmessage/utils/EncodeTest.java @@ -0,0 +1,127 @@ +/* + * Copyright 2015 Christian Basler + * + * 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 ch.dissem.bitmessage.utils; + +import org.junit.Test; + +import java.io.ByteArrayOutputStream; +import java.io.IOException; + +import static org.junit.Assert.assertEquals; + +/** + * Created by chris on 13.03.15. + */ +public class EncodeTest { + @Test + public void testUint8() throws IOException { + ByteArrayOutputStream stream = new ByteArrayOutputStream(); + Encode.int8(0, stream); + checkBytes(stream, 0); + + stream = new ByteArrayOutputStream(); + Encode.int8(255, stream); + checkBytes(stream, 255); + } + + @Test + public void testUint16() throws IOException { + ByteArrayOutputStream stream = new ByteArrayOutputStream(); + Encode.int16(0, stream); + checkBytes(stream, 0, 0); + + stream = new ByteArrayOutputStream(); + Encode.int16(513, stream); + checkBytes(stream, 2, 1); + } + + @Test + public void testUint32() throws IOException { + ByteArrayOutputStream stream = new ByteArrayOutputStream(); + Encode.int32(0, stream); + checkBytes(stream, 0, 0, 0, 0); + + stream = new ByteArrayOutputStream(); + Encode.int32(67305985, stream); + checkBytes(stream, 4, 3, 2, 1); + + stream = new ByteArrayOutputStream(); + Encode.int32(3355443201l, stream); + checkBytes(stream, 200, 0, 0, 1); + } + + @Test + public void testUint64() throws IOException { + ByteArrayOutputStream stream = new ByteArrayOutputStream(); + Encode.int64(0, stream); + checkBytes(stream, 0, 0, 0, 0, 0, 0, 0, 0); + + stream = new ByteArrayOutputStream(); + Encode.int64(578437695752307201L, stream); + checkBytes(stream, 8, 7, 6, 5, 4, 3, 2, 1); + + stream = new ByteArrayOutputStream(); + // 200 * 72057594037927936L + 1 + Encode.int64(0xc800000000000001L, stream); + checkBytes(stream, 200, 0, 0, 0, 0, 0, 0, 1); + } + + @Test + public void testVarInt() throws IOException { + ByteArrayOutputStream stream = new ByteArrayOutputStream(); + Encode.varInt(0, stream); + checkBytes(stream, 0); + + stream = new ByteArrayOutputStream(); + Encode.varInt(252, stream); + checkBytes(stream, 252); + + stream = new ByteArrayOutputStream(); + Encode.varInt(253, stream); + checkBytes(stream, 253, 0, 253); + + stream = new ByteArrayOutputStream(); + Encode.varInt(65535, stream); + checkBytes(stream, 253, 255, 255); + + stream = new ByteArrayOutputStream(); + Encode.varInt(65536, stream); + checkBytes(stream, 254, 0, 1, 0, 0); + + stream = new ByteArrayOutputStream(); + Encode.varInt(4294967295L, stream); + checkBytes(stream, 254, 255, 255, 255, 255); + + stream = new ByteArrayOutputStream(); + Encode.varInt(4294967296L, stream); + checkBytes(stream, 255, 0, 0, 0, 1, 0, 0, 0, 0); + + stream = new ByteArrayOutputStream(); + Encode.varInt(-1L, stream); + checkBytes(stream, 255, 255, 255, 255, 255, 255, 255, 255, 255); + } + + + public void checkBytes(ByteArrayOutputStream stream, int... bytes) { + assertEquals(bytes.length, stream.size()); + byte[] streamBytes = stream.toByteArray(); + + for (int i = 0; i < bytes.length; i++) { + assertEquals((byte) bytes[i], streamBytes[i]); + } + } +} diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar new file mode 100644 index 0000000..3d0dee6 Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..d86a2b6 --- /dev/null +++ b/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,6 @@ +#Mon Mar 16 20:59:34 CET 2015 +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-2.1-all.zip diff --git a/gradlew b/gradlew new file mode 100755 index 0000000..91a7e26 --- /dev/null +++ b/gradlew @@ -0,0 +1,164 @@ +#!/usr/bin/env bash + +############################################################################## +## +## Gradle start up script for UN*X +## +############################################################################## + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS="" + +APP_NAME="Gradle" +APP_BASE_NAME=`basename "$0"` + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD="maximum" + +warn ( ) { + echo "$*" +} + +die ( ) { + echo + echo "$*" + echo + exit 1 +} + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +case "`uname`" in + CYGWIN* ) + cygwin=true + ;; + Darwin* ) + darwin=true + ;; + MINGW* ) + msys=true + ;; +esac + +# For Cygwin, ensure paths are in UNIX format before anything is touched. +if $cygwin ; then + [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` +fi + +# Attempt to set APP_HOME +# Resolve links: $0 may be a link +PRG="$0" +# Need this for relative symlinks. +while [ -h "$PRG" ] ; do + ls=`ls -ld "$PRG"` + link=`expr "$ls" : '.*-> \(.*\)$'` + if expr "$link" : '/.*' > /dev/null; then + PRG="$link" + else + PRG=`dirname "$PRG"`"/$link" + fi +done +SAVED="`pwd`" +cd "`dirname \"$PRG\"`/" >&- +APP_HOME="`pwd -P`" +cd "$SAVED" >&- + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD="$JAVA_HOME/jre/sh/java" + else + JAVACMD="$JAVA_HOME/bin/java" + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD="java" + which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." +fi + +# Increase the maximum file descriptors if we can. +if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then + MAX_FD_LIMIT=`ulimit -H -n` + if [ $? -eq 0 ] ; then + if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then + MAX_FD="$MAX_FD_LIMIT" + fi + ulimit -n $MAX_FD + if [ $? -ne 0 ] ; then + warn "Could not set maximum file descriptor limit: $MAX_FD" + fi + else + warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" + fi +fi + +# For Darwin, add options to specify how the application appears in the dock +if $darwin; then + GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" +fi + +# For Cygwin, switch paths to Windows format before running java +if $cygwin ; then + APP_HOME=`cygpath --path --mixed "$APP_HOME"` + CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` + + # We build the pattern for arguments to be converted via cygpath + ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` + SEP="" + for dir in $ROOTDIRSRAW ; do + ROOTDIRS="$ROOTDIRS$SEP$dir" + SEP="|" + done + OURCYGPATTERN="(^($ROOTDIRS))" + # Add a user-defined pattern to the cygpath arguments + if [ "$GRADLE_CYGPATTERN" != "" ] ; then + OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" + fi + # Now convert the arguments - kludge to limit ourselves to /bin/sh + i=0 + for arg in "$@" ; do + CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` + CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option + + if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition + eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` + else + eval `echo args$i`="\"$arg\"" + fi + i=$((i+1)) + done + case $i in + (0) set -- ;; + (1) set -- "$args0" ;; + (2) set -- "$args0" "$args1" ;; + (3) set -- "$args0" "$args1" "$args2" ;; + (4) set -- "$args0" "$args1" "$args2" "$args3" ;; + (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; + (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; + (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; + (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; + (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; + esac +fi + +# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules +function splitJvmOpts() { + JVM_OPTS=("$@") +} +eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS +JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" + +exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" diff --git a/gradlew.bat b/gradlew.bat new file mode 100644 index 0000000..aec9973 --- /dev/null +++ b/gradlew.bat @@ -0,0 +1,90 @@ +@if "%DEBUG%" == "" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS= + +set DIRNAME=%~dp0 +if "%DIRNAME%" == "" set DIRNAME=. +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if "%ERRORLEVEL%" == "0" goto init + +echo. +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto init + +echo. +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% +echo. +echo Please set the JAVA_HOME variable in your environment to match the +echo location of your Java installation. + +goto fail + +:init +@rem Get command-line arguments, handling Windowz variants + +if not "%OS%" == "Windows_NT" goto win9xME_args +if "%@eval[2+2]" == "4" goto 4NT_args + +:win9xME_args +@rem Slurp the command line arguments. +set CMD_LINE_ARGS= +set _SKIP=2 + +:win9xME_args_slurp +if "x%~1" == "x" goto execute + +set CMD_LINE_ARGS=%* +goto execute + +:4NT_args +@rem Get arguments from the 4NT Shell from JP Software +set CMD_LINE_ARGS=%$ + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% + +:end +@rem End local scope for the variables with windows NT shell +if "%ERRORLEVEL%"=="0" goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 +exit /b 1 + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/networking/build.gradle b/networking/build.gradle new file mode 100644 index 0000000..53552cf --- /dev/null +++ b/networking/build.gradle @@ -0,0 +1,13 @@ +apply plugin: 'java' + +sourceCompatibility = 1.7 +version = '1.0' + +repositories { + mavenCentral() +} + +dependencies { + compile ':domain' + testCompile 'junit:junit:4.11' +} \ No newline at end of file diff --git a/settings.gradle b/settings.gradle new file mode 100644 index 0000000..dfd719a --- /dev/null +++ b/settings.gradle @@ -0,0 +1,6 @@ +rootProject.name = 'Jabit' + +include 'domain' + +include 'networking' +