Use semaphores instead of condition variables
[novacoin.git] / src / net.h
index cd707e7..4cc82b2 100644 (file)
--- a/src/net.h
+++ b/src/net.h
@@ -117,7 +117,7 @@ public:
     int64 nLastRecv;
     int64 nLastSendEmpty;
     int64 nTimeConnected;
-    unsigned int nHeaderStart;
+    int nHeaderStart;
     unsigned int nMessageStart;
     CAddress addr;
     int nVersion;
@@ -127,6 +127,7 @@ public:
     bool fNetworkNode;
     bool fSuccessfullyConnected;
     bool fDisconnect;
+    bool fHasGrant; // whether to call semOutbound.post() at disconnect
 protected:
     int nRefCount;
 
@@ -157,14 +158,10 @@ public:
     CCriticalSection cs_inventory;
     std::multimap<int64, CInv> mapAskFor;
 
-    CNode(SOCKET hSocketIn, CAddress addrIn, bool fInboundIn=false)
+    CNode(SOCKET hSocketIn, CAddress addrIn, bool fInboundIn=false) : vSend(SER_NETWORK, MIN_PROTO_VERSION), vRecv(SER_NETWORK, MIN_PROTO_VERSION)
     {
         nServices = 0;
         hSocket = hSocketIn;
-        vSend.SetType(SER_NETWORK);
-        vRecv.SetType(SER_NETWORK);
-        vSend.SetVersion(209);
-        vRecv.SetVersion(209);
         nLastSend = 0;
         nLastRecv = 0;
         nLastSendEmpty = GetTime();
@@ -175,6 +172,7 @@ public:
         nVersion = 0;
         strSubVer = "";
         fClient = false; // set by version message
+        fHasGrant = false;
         fInbound = fInboundIn;
         fNetworkNode = false;
         fSuccessfullyConnected = false;
@@ -247,15 +245,19 @@ public:
 
     void AddInventoryKnown(const CInv& inv)
     {
-        CRITICAL_BLOCK(cs_inventory)
+        {
+            LOCK(cs_inventory);
             setInventoryKnown.insert(inv);
+        }
     }
 
     void PushInventory(const CInv& inv)
     {
-        CRITICAL_BLOCK(cs_inventory)
+        {
+            LOCK(cs_inventory);
             if (!setInventoryKnown.count(inv))
                 vInventoryToSend.push_back(inv);
+        }
     }
 
     void AskFor(const CInv& inv)
@@ -295,7 +297,7 @@ public:
 
     void AbortMessage()
     {
-        if (nHeaderStart == -1)
+        if (nHeaderStart < 0)
             return;
         vSend.resize(nHeaderStart);
         nHeaderStart = -1;
@@ -315,7 +317,7 @@ public:
             return;
         }
 
-        if (nHeaderStart == -1)
+        if (nHeaderStart < 0)
             return;
 
         // Set the size
@@ -340,7 +342,7 @@ public:
 
     void EndMessageAbortIfEmpty()
     {
-        if (nHeaderStart == -1)
+        if (nHeaderStart < 0)
             return;
         int nSize = vSend.size() - nMessageStart;
         if (nSize > 0)
@@ -519,8 +521,10 @@ public:
         uint256 hashReply;
         RAND_bytes((unsigned char*)&hashReply, sizeof(hashReply));
 
-        CRITICAL_BLOCK(cs_mapRequests)
+        {
+            LOCK(cs_mapRequests);
             mapRequests[hashReply] = CRequestTracker(fn, param1);
+        }
 
         PushMessage(pszCommand, hashReply);
     }
@@ -532,8 +536,10 @@ public:
         uint256 hashReply;
         RAND_bytes((unsigned char*)&hashReply, sizeof(hashReply));
 
-        CRITICAL_BLOCK(cs_mapRequests)
+        {
+            LOCK(cs_mapRequests);
             mapRequests[hashReply] = CRequestTracker(fn, param1);
+        }
 
         PushMessage(pszCommand, hashReply, a1);
     }
@@ -545,8 +551,10 @@ public:
         uint256 hashReply;
         RAND_bytes((unsigned char*)&hashReply, sizeof(hashReply));
 
-        CRITICAL_BLOCK(cs_mapRequests)
+        {
+            LOCK(cs_mapRequests);
             mapRequests[hashReply] = CRequestTracker(fn, param1);
+        }
 
         PushMessage(pszCommand, hashReply, a1, a2);
     }
@@ -592,15 +600,17 @@ public:
 inline void RelayInventory(const CInv& inv)
 {
     // Put on lists to offer to the other nodes
-    CRITICAL_BLOCK(cs_vNodes)
+    {
+        LOCK(cs_vNodes);
         BOOST_FOREACH(CNode* pnode, vNodes)
             pnode->PushInventory(inv);
+    }
 }
 
 template<typename T>
 void RelayMessage(const CInv& inv, const T& a)
 {
-    CDataStream ss(SER_NETWORK);
+    CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
     ss.reserve(10000);
     ss << a;
     RelayMessage(inv, ss);
@@ -609,8 +619,8 @@ void RelayMessage(const CInv& inv, const T& a)
 template<>
 inline void RelayMessage<>(const CInv& inv, const CDataStream& ss)
 {
-    CRITICAL_BLOCK(cs_mapRelay)
     {
+        LOCK(cs_mapRelay);
         // Expire old relay messages
         while (!vRelayExpiration.empty() && vRelayExpiration.front().first < GetTime())
         {
@@ -619,7 +629,7 @@ inline void RelayMessage<>(const CInv& inv, const CDataStream& ss)
         }
 
         // Save original serialized message so newer versions are preserved
-        mapRelay[inv] = ss;
+        mapRelay.insert(std::make_pair(inv, ss));
         vRelayExpiration.push_back(std::make_pair(GetTime() + 15 * 60, inv));
     }