mirror of https://github.com/PurpleI2P/i2pd.git
chertov
10 years ago
19 changed files with 336 additions and 62 deletions
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#ifndef ADDRESS_BOOK_H__ |
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#define ADDRESS_BOOK_H__ |
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#include <string.h> |
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#include <string> |
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#include <map> |
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#include "base64.h" |
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#include "util.h" |
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#include "Identity.h" |
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#include "Log.h" |
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namespace i2p |
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{ |
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namespace data |
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{ |
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class AddressBook |
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{ |
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public: |
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AddressBook (): m_IsLoaded (false) {}; |
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const IdentHash * FindAddress (const std::string& address) |
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{ |
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if (!m_IsLoaded) |
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LoadHosts (); |
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auto it = m_Addresses.find (address); |
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if (it != m_Addresses.end ()) |
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return &it->second; |
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else |
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return nullptr; |
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} |
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private: |
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void LoadHosts () |
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{ |
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m_IsLoaded = true; |
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std::ifstream f (i2p::util::filesystem::GetFullPath ("hosts.txt").c_str (), std::ofstream::in); // in text mode
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if (!f.is_open ()) |
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{ |
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LogPrint ("hosts.txt not found"); |
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return; |
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} |
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int numAddresses = 0; |
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char str[1024]; |
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while (!f.eof ()) |
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{ |
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f.getline (str, 1024); |
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char * key = strchr (str, '='); |
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if (key) |
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{ |
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*key = 0; |
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key++; |
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Identity ident; |
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Base64ToByteStream (key, strlen(key), (uint8_t *)&ident, sizeof (ident)); |
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m_Addresses[str] = CalculateIdentHash (ident); |
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numAddresses++; |
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} |
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} |
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LogPrint (numAddresses, " addresses loaded"); |
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} |
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private: |
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std::map<std::string, IdentHash> m_Addresses; |
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bool m_IsLoaded; |
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}; |
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} |
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} |
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#endif |
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@ -0,0 +1,73 @@
@@ -0,0 +1,73 @@
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#include "Tunnel.h" |
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#include "NetDb.h" |
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#include "Timestamp.h" |
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#include "TunnelPool.h" |
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namespace i2p |
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{ |
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namespace tunnel |
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{ |
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TunnelPool::TunnelPool (i2p::data::LocalDestination * owner, int numTunnels): |
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m_Owner (owner), m_NumTunnels (numTunnels) |
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{ |
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} |
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TunnelPool::~TunnelPool () |
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{ |
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for (auto it: m_InboundTunnels) |
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it->SetTunnelPool (nullptr); |
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} |
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void TunnelPool::TunnelCreated (InboundTunnel * createdTunnel) |
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{ |
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m_InboundTunnels.insert (createdTunnel); |
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if (m_Owner) |
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m_Owner->UpdateLeaseSet (); |
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} |
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void TunnelPool::TunnelExpired (InboundTunnel * expiredTunnel) |
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{ |
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m_InboundTunnels.erase (expiredTunnel); |
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if (m_Owner) |
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m_Owner->UpdateLeaseSet (); |
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} |
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std::vector<InboundTunnel *> TunnelPool::GetInboundTunnels (int num) const |
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{ |
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std::vector<InboundTunnel *> v; |
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int i = 0; |
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for (auto it : m_InboundTunnels) |
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{ |
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if (i >= num) break; |
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v.push_back (it); |
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i++; |
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} |
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return v; |
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} |
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void TunnelPool::CreateTunnels () |
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{ |
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int num = m_InboundTunnels.size (); |
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for (int i = num; i < m_NumTunnels; i++) |
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CreateInboundTunnel (); |
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} |
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void TunnelPool::CreateInboundTunnel () |
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{ |
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OutboundTunnel * outboundTunnel = tunnels.GetNextOutboundTunnel (); |
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LogPrint ("Creating destination inbound tunnel..."); |
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auto firstHop = i2p::data::netdb.GetRandomRouter (outboundTunnel ? outboundTunnel->GetEndpointRouter () : nullptr); |
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auto secondHop = i2p::data::netdb.GetRandomRouter (firstHop); |
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auto * tunnel = tunnels.CreateTunnel<InboundTunnel> ( |
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new TunnelConfig (std::vector<const i2p::data::RouterInfo *> |
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{ |
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firstHop, |
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secondHop |
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// TODO: swithc to 3-hops later
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/*i2p::data::netdb.GetRandomRouter (secondHop) */ |
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}), |
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outboundTunnel); |
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tunnel->SetTunnelPool (this); |
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} |
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} |
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} |
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@ -0,0 +1,46 @@
@@ -0,0 +1,46 @@
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#ifndef TUNNEL_POOL__ |
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#define TUNNEL_POOL__ |
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#include <set> |
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#include <vector> |
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#include "Identity.h" |
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#include "LeaseSet.h" |
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#include "I2NPProtocol.h" |
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#include "TunnelBase.h" |
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namespace i2p |
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{ |
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namespace tunnel |
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{ |
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class Tunnel; |
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class InboundTunnel; |
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class OutboundTunnel; |
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class TunnelPool // per local destination
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{ |
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public: |
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TunnelPool (i2p::data::LocalDestination * owner, int numTunnels = 5); |
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~TunnelPool (); |
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void CreateTunnels (); |
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void TunnelCreated (InboundTunnel * createdTunnel); |
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void TunnelExpired (InboundTunnel * expiredTunnel); |
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std::vector<InboundTunnel *> GetInboundTunnels (int num) const; |
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private: |
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void CreateInboundTunnel (); |
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private: |
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i2p::data::LocalDestination * m_Owner; |
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int m_NumTunnels; |
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std::set<InboundTunnel *, TunnelCreationTimeCmp> m_InboundTunnels; // recent tunnel appears first
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}; |
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} |
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} |
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#endif |
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