C++ CConnman::ConnectNode方法代碼示例

void CActiveMasternode::ManageStateInitial(CConnman& connman)
{
    LogPrint("masternode", "CActiveMasternode::ManageStateInitial -- status = %s, type = %s, pinger enabled = %d\n", GetStatus(), GetTypeString(), fPingerEnabled);

    // Check that our local network configuration is correct
    if (!fListen) {
        // listen option is probably overwritten by smth else, no good
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = "Masternode must accept connections from outside. Make sure listen configuration option is not overwritten by some another parameter.";
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    // First try to find whatever local address is specified by externalip option
    bool fFoundLocal = GetLocal(service) && CMasternode::IsValidNetAddr(service);
    if(!fFoundLocal) {
        bool empty = true;
        // If we have some peers, let's try to find our local address from one of them
        connman.ForEachNodeContinueIf(CConnman::AllNodes, [&fFoundLocal, &empty, this](CNode* pnode) {
            empty = false;
            if (pnode->addr.IsIPv4())
                fFoundLocal = GetLocal(service, &pnode->addr) && CMasternode::IsValidNetAddr(service);
            return !fFoundLocal;
        });
        // nothing and no live connections, can't do anything for now
        if (empty) {
            nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
            strNotCapableReason = "Can't detect valid external address. Will retry when there are some connections available.";
            LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
            return;
        }
    }

    if(!fFoundLocal) {
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = "Can't detect valid external address. Please consider using the externalip configuration option if problem persists. Make sure to use IPv4 address only.";
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    int mainnetDefaultPort = Params(CBaseChainParams::MAIN).GetDefaultPort();
    if(Params().NetworkIDString() == CBaseChainParams::MAIN) {
        if(service.GetPort() != mainnetDefaultPort) {
            nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
            strNotCapableReason = strprintf("Invalid port: %u - only %d is supported on mainnet.", service.GetPort(), mainnetDefaultPort);
            LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
            return;
        }
    } else if(service.GetPort() == mainnetDefaultPort) {
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = strprintf("Invalid port: %u - %d is only supported on mainnet.", service.GetPort(), mainnetDefaultPort);
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    LogPrintf("CActiveMasternode::ManageStateInitial -- Checking inbound connection to '%s'\n", service.ToString());

    if(!connman.ConnectNode(CAddress(service, NODE_NETWORK), NULL, true)) {
        nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
        strNotCapableReason = "Could not connect to " + service.ToString();
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
        return;
    }

    // Default to REMOTE
    eType = MASTERNODE_REMOTE;

    // Check if wallet funds are available
    if(!pwalletMain) {
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: Wallet not available\n", GetStateString());
        return;
    }

    if(pwalletMain->IsLocked()) {
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: Wallet is locked\n", GetStateString());
        return;
    }

    if(pwalletMain->GetBalance() < 1000*COIN) {
        LogPrintf("CActiveMasternode::ManageStateInitial -- %s: Wallet balance is < 1000 TINCOIN\n", GetStateString());
        return;
    }

    // Choose coins to use
    CPubKey pubKeyCollateral;
    CKey keyCollateral;

    // If collateral is found switch to LOCAL mode
    if(pwalletMain->GetMasternodeOutpointAndKeys(outpoint, pubKeyCollateral, keyCollateral)) {
        eType = MASTERNODE_LOCAL;
    }

    LogPrint("masternode", "CActiveMasternode::ManageStateInitial -- End status = %s, type = %s, pinger enabled = %d\n", GetStatus(), GetTypeString(), fPingerEnabled);
}