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Use pnode->nLastRecv as sync score directly

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NodeSyncScore() should find the node which we recv data most recently, so put a negative sign to pnode->nLastRecv is indeed wrong.

Also change the return value type to int64_t.

Signed-off-by: Huang Le <4tarhl@gmail.com>
Rebased-By: Wladimir J. van der Laan <laanwj@gmail.com>
Rebased-From: 09a54a6
This commit is contained in:
Huang Le 2014-05-30 23:44:44 +08:00 committed by Wladimir J. van der Laan
parent 41b96da264
commit acb5356087
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GPG Key ID: 74810B012346C9A6
1 changed files with 6 additions and 6 deletions
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12
src/net.cpp
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@ -1458,13 +1458,13 @@ bool OpenNetworkConnection(const CAddress& addrConnect, CSemaphoreGrant *grantOu
// for now, use a very simple selection metric: the node from which we received
// most recently
double static NodeSyncScore(const CNode *pnode) {
return -pnode->nLastRecv;
static int64_t NodeSyncScore(const CNode *pnode) {
return pnode->nLastRecv;
}
void static StartSync(const vector<CNode*> &vNodes) {
CNode *pnodeNewSync = NULL;
double dBestScore = 0;
int64_t nBestScore = 0;
int nBestHeight = g_signals.GetHeight().get_value_or(0);
@ -1476,10 +1476,10 @@ void static StartSync(const vector<CNode*> &vNodes) {
(pnode->nStartingHeight > (nBestHeight - 144)) &&
(pnode->nVersion < NOBLKS_VERSION_START || pnode->nVersion >= NOBLKS_VERSION_END)) {
// if ok, compare node's score with the best so far
double dScore = NodeSyncScore(pnode);
if (pnodeNewSync == NULL || dScore > dBestScore) {
int64_t nScore = NodeSyncScore(pnode);
if (pnodeNewSync == NULL || nScore > nBestScore) {
pnodeNewSync = pnode;
dBestScore = dScore;
nBestScore = nScore;
}
}
}