From 214150db03411d90d6aee4044386d9f671304f3e Mon Sep 17 00:00:00 2001
From: dec05eba <0xdec05eba@gmail.com>
Date: Thu, 7 Jun 2018 22:00:42 +0200
Subject: Add bootstrap node, listen method

---
 src/BootstrapNode.cpp | 39 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

(limited to 'src/BootstrapNode.cpp')

diff --git a/src/BootstrapNode.cpp b/src/BootstrapNode.cpp
index e26b9ea..fb10dcc 100644
--- a/src/BootstrapNode.cpp
+++ b/src/BootstrapNode.cpp
@@ -8,6 +8,8 @@
    #include <ws2tcpip.h>
 #endif
 #include <udt/udt.h>
+#include <sibs/SafeSerializer.hpp>
+#include <sibs/SafeDeserializer.hpp>
 
 namespace sibs
 {
@@ -56,10 +58,45 @@ namespace sibs
             UDT::epoll_add_usock(connections.eid, clientSocket);
             std::shared_ptr<DirectConnectionPeer> peer = std::make_shared<DirectConnectionPeer>();
             peer->socket = clientSocket;
-            peer->receiveDataCallbackFunc = nullptr;
+            sockaddr_in *clientAddrSock = (sockaddr_in*)&clientAddr;
+            memcpy(&peer->address.address, clientAddrSock, sizeof(peer->address.address));
+            peer->receiveDataCallbackFunc = std::bind(&BootstrapNode::peerSubscribe, this, std::placeholders::_1, std::placeholders::_2, std::placeholders::_3);
             connections.peersMutex.lock();
             connections.peers[clientSocket] = peer;
             connections.peersMutex.unlock();
         }
     }
+    
+    void BootstrapNode::peerSubscribe(std::shared_ptr<DirectConnectionPeer> newPeer, const void *data, const usize size)
+    {
+        sibs::SafeDeserializer deserializer((const u8*)data, size);
+        PubsubKey pubsubKey;
+        deserializer.extract(pubsubKey.data.data(), PUBSUB_KEY_LENGTH);
+        
+        auto &peers = subscribedPeers[pubsubKey];
+        for(auto &peer : peers)
+        {
+            if(peer->address.address.sin_addr.s_addr == newPeer->address.address.sin_addr.s_addr)
+                return;
+        }
+        
+        sibs::SafeSerializer serializer;
+        serializer.add(pubsubKey.data.data(), pubsubKey.data.size());
+        serializer.add((u32)newPeer->address.address.sin_family);
+        serializer.add((u32)newPeer->address.address.sin_addr.s_addr);
+        serializer.add((u16)newPeer->address.address.sin_port);
+        std::shared_ptr<std::vector<u8>> serializerData = std::make_shared<std::vector<u8>>(std::move(serializer.getBuffer()));
+        
+        sibs::SafeSerializer newPeerSerializer;
+        newPeerSerializer.add(pubsubKey.data.data(), pubsubKey.data.size());
+        for(auto &peer : peers)
+        {
+            connections.send(peer, serializerData);
+            newPeerSerializer.add((u32)peer->address.address.sin_family);
+            newPeerSerializer.add((u32)peer->address.address.sin_addr.s_addr);
+            newPeerSerializer.add((u16)peer->address.address.sin_port);
+        }
+        peers.push_back(newPeer);
+        connections.send(newPeer, std::make_shared<std::vector<u8>>(std::move(newPeerSerializer.getBuffer())));
+    }
 }
-- 
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