ZeroTierOne/controller/EmbeddedNetworkController.hpp
2017-05-04 17:22:24 -07:00

257 lines
8.6 KiB
C++

/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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/>.
*/
#ifndef ZT_SQLITENETWORKCONTROLLER_HPP
#define ZT_SQLITENETWORKCONTROLLER_HPP
#include <stdint.h>
#include <string>
#include <map>
#include <vector>
#include <set>
#include <list>
#include <thread>
#include "../node/Constants.hpp"
#include "../node/NetworkController.hpp"
#include "../node/Mutex.hpp"
#include "../node/Utils.hpp"
#include "../node/Address.hpp"
#include "../node/InetAddress.hpp"
#include "../node/NonCopyable.hpp"
#include "../osdep/OSUtils.hpp"
#include "../osdep/Thread.hpp"
#include "../osdep/BlockingQueue.hpp"
#include "../ext/json/json.hpp"
#include "JSONDB.hpp"
// TTL for circuit tests
#define ZT_EMBEDDEDNETWORKCONTROLLER_CIRCUIT_TEST_EXPIRATION 120000
namespace ZeroTier {
class Node;
class EmbeddedNetworkController : public NetworkController,NonCopyable
{
public:
/**
* @param node Parent node
* @param dbPath Path to store data
*/
EmbeddedNetworkController(Node *node,const char *dbPath);
virtual ~EmbeddedNetworkController();
virtual void init(const Identity &signingId,Sender *sender);
virtual void request(
uint64_t nwid,
const InetAddress &fromAddr,
uint64_t requestPacketId,
const Identity &identity,
const Dictionary<ZT_NETWORKCONFIG_METADATA_DICT_CAPACITY> &metaData);
unsigned int handleControlPlaneHttpGET(
const std::vector<std::string> &path,
const std::map<std::string,std::string> &urlArgs,
const std::map<std::string,std::string> &headers,
const std::string &body,
std::string &responseBody,
std::string &responseContentType);
unsigned int handleControlPlaneHttpPOST(
const std::vector<std::string> &path,
const std::map<std::string,std::string> &urlArgs,
const std::map<std::string,std::string> &headers,
const std::string &body,
std::string &responseBody,
std::string &responseContentType);
unsigned int handleControlPlaneHttpDELETE(
const std::vector<std::string> &path,
const std::map<std::string,std::string> &urlArgs,
const std::map<std::string,std::string> &headers,
const std::string &body,
std::string &responseBody,
std::string &responseContentType);
void threadMain()
throw();
private:
struct _RQEntry
{
uint64_t nwid;
uint64_t requestPacketId;
InetAddress fromAddr;
Identity identity;
Dictionary<ZT_NETWORKCONFIG_METADATA_DICT_CAPACITY> metaData;
enum {
RQENTRY_TYPE_REQUEST = 0,
RQENTRY_TYPE_PING = 1
} type;
};
static void _circuitTestCallback(ZT_Node *node,ZT_CircuitTest *test,const ZT_CircuitTestReport *report);
void _request(uint64_t nwid,const InetAddress &fromAddr,uint64_t requestPacketId,const Identity &identity,const Dictionary<ZT_NETWORKCONFIG_METADATA_DICT_CAPACITY> &metaData);
inline void _startThreads()
{
Mutex::Lock _l(_threads_m);
if (_threads.size() == 0) {
long hwc = (long)std::thread::hardware_concurrency();
if (hwc < 1)
hwc = 1;
else if (hwc > 16)
hwc = 16;
for(long i=0;i<hwc;++i)
_threads.push_back(Thread::start(this));
}
}
// These init objects with default and static/informational fields
inline void _initMember(nlohmann::json &member)
{
if (!member.count("authorized")) member["authorized"] = false;
if (!member.count("authHistory")) member["authHistory"] = nlohmann::json::array();
if (!member.count("ipAssignments")) member["ipAssignments"] = nlohmann::json::array();
if (!member.count("activeBridge")) member["activeBridge"] = false;
if (!member.count("tags")) member["tags"] = nlohmann::json::array();
if (!member.count("capabilities")) member["capabilities"] = nlohmann::json::array();
if (!member.count("creationTime")) member["creationTime"] = OSUtils::now();
if (!member.count("noAutoAssignIps")) member["noAutoAssignIps"] = false;
if (!member.count("revision")) member["revision"] = 0ULL;
if (!member.count("lastDeauthorizedTime")) member["lastDeauthorizedTime"] = 0ULL;
if (!member.count("lastAuthorizedTime")) member["lastAuthorizedTime"] = 0ULL;
if (!member.count("vMajor")) member["vMajor"] = -1;
if (!member.count("vMinor")) member["vMinor"] = -1;
if (!member.count("vRev")) member["vRev"] = -1;
if (!member.count("vProto")) member["vProto"] = -1;
if (!member.count("physicalAddr")) member["physicalAddr"] = nlohmann::json();
member["objtype"] = "member";
}
inline void _initNetwork(nlohmann::json &network)
{
if (!network.count("private")) network["private"] = true;
if (!network.count("creationTime")) network["creationTime"] = OSUtils::now();
if (!network.count("name")) network["name"] = "";
if (!network.count("multicastLimit")) network["multicastLimit"] = (uint64_t)32;
if (!network.count("enableBroadcast")) network["enableBroadcast"] = true;
if (!network.count("v4AssignMode")) network["v4AssignMode"] = {{"zt",false}};
if (!network.count("v6AssignMode")) network["v6AssignMode"] = {{"rfc4193",false},{"zt",false},{"6plane",false}};
if (!network.count("authTokens")) network["authTokens"] = nlohmann::json::array();
if (!network.count("capabilities")) network["capabilities"] = nlohmann::json::array();
if (!network.count("tags")) network["tags"] = nlohmann::json::array();
if (!network.count("routes")) network["routes"] = nlohmann::json::array();
if (!network.count("ipAssignmentPools")) network["ipAssignmentPools"] = nlohmann::json::array();
if (!network.count("mtu")) network["mtu"] = ZT_DEFAULT_MTU;
if (!network.count("rules")) {
// If unspecified, rules are set to allow anything and behave like a flat L2 segment
network["rules"] = {{
{ "not",false },
{ "or", false },
{ "type","ACTION_ACCEPT" }
}};
}
network["objtype"] = "network";
}
inline void _addNetworkNonPersistedFields(nlohmann::json &network,uint64_t now,const JSONDB::NetworkSummaryInfo &ns)
{
network["clock"] = now;
network["authorizedMemberCount"] = ns.authorizedMemberCount;
network["activeMemberCount"] = ns.activeMemberCount;
network["totalMemberCount"] = ns.totalMemberCount;
}
inline void _removeNetworkNonPersistedFields(nlohmann::json &network)
{
network.erase("clock");
network.erase("authorizedMemberCount");
network.erase("activeMemberCount");
network.erase("totalMemberCount");
// legacy fields
network.erase("lastModified");
}
inline void _addMemberNonPersistedFields(uint64_t nwid,uint64_t nodeId,nlohmann::json &member,uint64_t now)
{
member["clock"] = now;
Mutex::Lock _l(_memberStatus_m);
member["online"] = _memberStatus[_MemberStatusKey(nwid,nodeId)].online(now);
}
inline void _removeMemberNonPersistedFields(nlohmann::json &member)
{
member.erase("clock");
// legacy fields
member.erase("recentLog");
member.erase("lastModified");
member.erase("lastRequestMetaData");
}
const uint64_t _startTime;
volatile bool _running;
BlockingQueue<_RQEntry *> _queue;
std::vector<Thread> _threads;
Mutex _threads_m;
JSONDB _db;
Node *const _node;
std::string _path;
NetworkController::Sender *_sender;
Identity _signingId;
std::list< ZT_CircuitTest > _tests;
Mutex _tests_m;
struct _MemberStatusKey
{
_MemberStatusKey() : networkId(0),nodeId(0) {}
_MemberStatusKey(const uint64_t nwid,const uint64_t nid) : networkId(nwid),nodeId(nid) {}
uint64_t networkId;
uint64_t nodeId;
inline bool operator==(const _MemberStatusKey &k) const { return ((k.networkId == networkId)&&(k.nodeId == nodeId)); }
};
struct _MemberStatus
{
_MemberStatus() : lastRequestTime(0),vMajor(-1),vMinor(-1),vRev(-1),vProto(-1) {}
uint64_t lastRequestTime;
int vMajor,vMinor,vRev,vProto;
Dictionary<ZT_NETWORKCONFIG_METADATA_DICT_CAPACITY> lastRequestMetaData;
Identity identity;
InetAddress physicalAddr; // last known physical address
inline bool online(const uint64_t now) const { return ((now - lastRequestTime) < (ZT_NETWORK_AUTOCONF_DELAY * 2)); }
};
struct _MemberStatusHash
{
inline std::size_t operator()(const _MemberStatusKey &networkIdNodeId) const
{
return (std::size_t)(networkIdNodeId.networkId + networkIdNodeId.nodeId);
}
};
std::unordered_map< _MemberStatusKey,_MemberStatus,_MemberStatusHash > _memberStatus;
Mutex _memberStatus_m;
};
} // namespace ZeroTier
#endif