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9eefbd55d346137814438ac47bbb00f508bc2013
zhangyang-libzt/src/java/ZeroTier.java
Joseph Henry 9eefbd55d3 Improve documentation and error reporting
2020-04-17 11:35:43 -07:00

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Java
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/*
* ZeroTier SDK - Network Virtualization Everywhere
* Copyright (C) 2011-2019 ZeroTier, Inc. https://www.zerotier.com/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* --
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial closed-source software that incorporates or links
* directly against ZeroTier software without disclosing the source code
* of your own application.
*/
package com.zerotier.libzt;
import java.net.*;
public class ZeroTier
{
//////////////////////////////////////////////////////////////////////////////
// Control API error codes //
//////////////////////////////////////////////////////////////////////////////
// Everything is ok
public static int ZTS_ERR_OK = 0;
// Error
public static int ZTS_ERR_OK = -1;
// A argument provided by the user application is invalid (e.g. out of range, NULL, etc)
public static int ZTS_ERR_INVALID_ARG = -2;
// The service isn't initialized or is for some reason currently unavailable. Try again.
public static int ZTS_ERR_SERVICE = -3;
// For some reason this API operation is not permitted or doesn't make sense at this time.
public static int ZTS_ERR_INVALID_OP = -4;
// The call succeeded, but no object or relevant result was available
public static int ZTS_ERR_NO_RESULT = -5;
// General internal failure
public static int ZTS_ERR_GENERAL = -6;
//////////////////////////////////////////////////////////////////////////////
// Static initialization //
//////////////////////////////////////////////////////////////////////////////
static
{
// loads libzt.so or libzt.dylib
System.loadLibrary("zt");
// Give the native code a reference to this VM (for callbacks)
if (init() != ZTS_ERR_OK) {
throw new ExceptionInInitializerError("JNI init() failed (see GetJavaVM())");
}
}
//////////////////////////////////////////////////////////////////////////////
// Control API event codes //
//////////////////////////////////////////////////////////////////////////////
public static int EVENT_NONE = -1;
// Node-specific events
public static int EVENT_NODE_UP = 0;
public static int EVENT_NODE_OFFLINE = 1;
public static int EVENT_NODE_ONLINE = 2;
public static int EVENT_NODE_DOWN = 3;
public static int EVENT_NODE_IDENTITY_COLLISION = 4;
// libzt node events
public static int EVENT_NODE_UNRECOVERABLE_ERROR = 16;
public static int EVENT_NODE_NORMAL_TERMINATION = 17;
// Network-specific events
public static int EVENT_NETWORK_NOT_FOUND = 32;
public static int EVENT_NETWORK_CLIENT_TOO_OLD = 33;
public static int EVENT_NETWORK_REQUESTING_CONFIG = 34;
public static int EVENT_NETWORK_OK = 35;
public static int EVENT_NETWORK_ACCESS_DENIED = 36;
public static int EVENT_NETWORK_READY_IP4 = 37;
public static int EVENT_NETWORK_READY_IP6 = 38;
public static int EVENT_NETWORK_READY_IP4_IP6 = 39;
public static int EVENT_NETWORK_DOWN = 40;
// lwIP netif events
public static int EVENT_NETIF_UP_IP4 = 64;
public static int EVENT_NETIF_UP_IP6 = 65;
public static int EVENT_NETIF_DOWN_IP4 = 66;
public static int EVENT_NETIF_DOWN_IP6 = 67;
public static int EVENT_NETIF_REMOVED = 68;
public static int EVENT_NETIF_LINK_UP = 69;
public static int EVENT_NETIF_LINK_DOWN = 70;
public static int EVENT_NETIF_NEW_ADDRESS = 71;
// Peer events
public static int EVENT_PEER_P2P = 96;
public static int EVENT_PEER_RELAY = 97;
public static int EVENT_PEER_UNREACHABLE = 98;
//////////////////////////////////////////////////////////////////////////////
// ZeroTier Constants //
//////////////////////////////////////////////////////////////////////////////
public static int ZT_MAX_PEER_NETWORK_PATHS = 16;
//////////////////////////////////////////////////////////////////////////////
// Socket API Constants //
//////////////////////////////////////////////////////////////////////////////
// Socket protocol types
public static int SOCK_STREAM = 0x00000001;
public static int SOCK_DGRAM = 0x00000002;
public static int SOCK_RAW = 0x00000003;
// Socket family types
public static int AF_INET = 0x00000002;
public static int AF_INET6 = 0x0000000a;
public static int PF_INET = AF_INET;
public static int PF_INET6 = AF_INET6;
// Used as level numbers for setsockopt() and getsockopt()
public static int IPPROTO_IP = 0x00000000;
public static int IPPROTO_ICMP = 0x00000001;
public static int IPPROTO_TCP = 0x00000006;
public static int IPPROTO_UDP = 0x00000011;
public static int IPPROTO_IPV6 = 0x00000029;
public static int IPPROTO_ICMPV6 = 0x0000003a;
public static int IPPROTO_UDPLITE = 0x00000088;
public static int IPPROTO_RAW = 0x000000ff;
// send() and recv() flags
public static int MSG_PEEK = 0x00000001;
public static int MSG_WAITALL = 0x00000002;
public static int MSG_OOB = 0x00000004;
public static int MSG_DONTWAIT = 0x00000008;
public static int MSG_MORE = 0x00000010;
// fnctl() commands
public static int F_GETFL = 0x00000003;
public static int F_SETFL = 0x00000004;
// fnctl() flags
public static int O_NONBLOCK = 0x00000001;
public static int O_NDELAY = 0x00000001;
// Shutdown commands
public static int SHUT_RD = 0x00000000;
public static int SHUT_WR = 0x00000001;
public static int SHUT_RDWR = 0x00000002;
// ioctl() commands
public static int FIONREAD = 0x4008667F;
public static int FIONBIO = 0x8008667E;
// Socket level option number
public static int SOL_SOCKET = 0x00000FFF;
// Socket options
public static int SO_REUSEADDR = 0x00000004;
public static int SO_KEEPALIVE = 0x00000008;
public static int SO_BROADCAST = 0x00000020;
// Socket options
public static int SO_DEBUG = 0x00000001; // NOT YET SUPPORTED
public static int SO_ACCEPTCONN = 0x00000002;
public static int SO_DONTROUTE = 0x00000010; // NOT YET SUPPORTED
public static int SO_USELOOPBACK = 0x00000040; // NOT YET SUPPORTED
public static int SO_LINGER = 0x00000080;
public static int SO_DONTLINGER = ((int)(~SO_LINGER));
public static int SO_OOBINLINE = 0x00000100; // NOT YET SUPPORTED
public static int SO_REUSEPORT = 0x00000200; // NOT YET SUPPORTED
public static int SO_SNDBUF = 0x00001001; // NOT YET SUPPORTED
public static int SO_RCVBUF = 0x00001002;
public static int SO_SNDLOWAT = 0x00001003; // NOT YET SUPPORTED
public static int SO_RCVLOWAT = 0x00001004; // NOT YET SUPPORTED
public static int SO_SNDTIMEO = 0x00001005;
public static int SO_RCVTIMEO = 0x00001006;
public static int SO_ERROR = 0x00001007;
public static int SO_TYPE = 0x00001008;
public static int SO_CONTIMEO = 0x00001009; // NOT YET SUPPORTED
public static int SO_NO_CHECK = 0x0000100a;
// IPPROTO_IP options
public static int IP_TOS = 0x00000001;
public static int IP_TTL = 0x00000002;
// IPPROTO_TCP options
public static int TCP_NODELAY = 0x00000001;
public static int TCP_KEEPALIVE = 0x00000002;
public static int TCP_KEEPIDLE = 0x00000003;
public static int TCP_KEEPINTVL = 0x00000004;
public static int TCP_KEEPCNT = 0x00000005;
//////////////////////////////////////////////////////////////////////////////
// Statistics //
//////////////////////////////////////////////////////////////////////////////
public static int STATS_PROTOCOL_LINK = 0;
public static int STATS_PROTOCOL_ETHARP = 1;
public static int STATS_PROTOCOL_IP = 2;
public static int STATS_PROTOCOL_UDP = 3;
public static int STATS_PROTOCOL_TCP = 4;
public static int STATS_PROTOCOL_ICMP = 5;
public static int STATS_PROTOCOL_IP_FRAG = 6;
public static int STATS_PROTOCOL_IP6 = 7;
public static int STATS_PROTOCOL_ICMP6 = 8;
public static int STATS_PROTOCOL_IP6_FRAG = 9;
public static native int get_protocol_stats(int protocolNum, ZeroTierProtoStats stats);
//////////////////////////////////////////////////////////////////////////////
// ZeroTier Service Controls //
//////////////////////////////////////////////////////////////////////////////
public static native int start(String path, ZeroTierEventListener callbackClass, int port);
public static native int stop();
public static native int restart();
public static native int join(long nwid);
public static native int leave(long nwid);
public static native long get_node_id();
public static native int get_num_assigned_addresses(long nwid);
public static native void get_6plane_addr(long nwid, long nodeId, ZeroTierSocketAddress addr);
public static native void get_rfc4193_addr(long nwid, long nodeId, ZeroTierSocketAddress addr);
public static native int get_node_status();
public static native int get_network_status(long networkId);
public static native int get_peer_status(long peerId);
public static native int get_peer(long peerId, ZeroTierPeerDetails details);
//////////////////////////////////////////////////////////////////////////////
// Socket API //
//////////////////////////////////////////////////////////////////////////////
public static native int socket(int family, int type, int protocol);
public static native int connect(int fd, ZeroTierSocketAddress addr);
public static native int bind(int fd, ZeroTierSocketAddress addr);
public static native int listen(int fd, int backlog);
public static native int accept(int fd, ZeroTierSocketAddress addr);
public static native int accept4(int fd, String addr, int port);
public static native int setsockopt(int fd, int level, int optname, ZeroTierSocketOptionValue optval);
public static native int getsockopt(int fd, int level, int optname, ZeroTierSocketOptionValue optval);
public static native int read(int fd, byte[] buf);
public static native int read_offset(int fd, byte[] buf, int offset, int len);
public static native int read_length(int fd, byte[] buf, int len);
public static native int recv(int fd, byte[] buf, int flags);
public static native int recvfrom(int fd, byte[] buf, int flags, ZeroTierSocketAddress addr);
public static native int write(int fd, byte[] buf);
public static native int write_byte(int fd, byte b);
public static native int write_offset(int fd, byte[] buf, int offset, int len);
public static native int sendto(int fd, byte[] buf, int flags, ZeroTierSocketAddress addr);
public static native int send(int fd, byte[] buf, int flags);
public static native int shutdown(int fd, int how);
public static native int close(int fd);
public static native boolean getsockname(int fd, ZeroTierSocketAddress addr);
public static native int getpeername(int fd, ZeroTierSocketAddress addr);
public static native int fcntl(int sock, int cmd, int flag);
public static native int ioctl(int fd, long request, ZeroTierIoctlArg arg);
public static native int select(int nfds, ZeroTierFileDescriptorSet readfds, ZeroTierFileDescriptorSet writefds, ZeroTierFileDescriptorSet exceptfds, int timeout_sec, int timeout_usec);
//////////////////////////////////////////////////////////////////////////////
// Internal - Do not call //
//////////////////////////////////////////////////////////////////////////////
public static native int init(); // Only to be called by static initializer of this class
}
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