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net: Minor accumulated cleanups

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This commit is contained in:
Thomas Snider 2018-01-26 02:48:56 -08:00
parent 07825088f9
commit 2c084a6609
6 changed files with 36 additions and 68 deletions
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5
src/bitcoind.cpp
View File

@ -42,12 +42,9 @@
void WaitForShutdown()
{
bool fShutdown = ShutdownRequested();
// Tell the main threads to shutdown.
while (!fShutdown)
while (!ShutdownRequested())
{
MilliSleep(200);
fShutdown = ShutdownRequested();
}
Interrupt();
}

6
src/compat.h
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@ -96,6 +96,12 @@ typedef int32_t ssize_t;
size_t strnlen( const char *start, size_t max_len);
#endif // HAVE_DECL_STRNLEN
#ifndef WIN32
typedef void* sockopt_arg_type;
#else
typedef char* sockopt_arg_type;
#endif
bool static inline IsSelectableSocket(const SOCKET& s) {
#ifdef WIN32
return true;

27
src/net.cpp
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@ -1923,23 +1923,25 @@ std::vector<AddedNodeInfo> CConnman::GetAddedNodeInfo()
for (const std::string& strAddNode : lAddresses) {
CService service(LookupNumeric(strAddNode.c_str(), Params().GetDefaultPort()));
AddedNodeInfo addedNode{strAddNode, CService(), false, false};
if (service.IsValid()) {
// strAddNode is an IP:port
auto it = mapConnected.find(service);
if (it != mapConnected.end()) {
ret.push_back(AddedNodeInfo{strAddNode, service, true, it->second});
} else {
ret.push_back(AddedNodeInfo{strAddNode, CService(), false, false});
addedNode.resolvedAddress = service;
addedNode.fConnected = true;
addedNode.fInbound = it->second;
}
} else {
// strAddNode is a name
auto it = mapConnectedByName.find(strAddNode);
if (it != mapConnectedByName.end()) {
ret.push_back(AddedNodeInfo{strAddNode, it->second.second, true, it->second.first});
} else {
ret.push_back(AddedNodeInfo{strAddNode, CService(), false, false});
addedNode.resolvedAddress = it->second.second;
addedNode.fConnected = true;
addedNode.fInbound = it->second.first;
}
}
ret.emplace_back(std::move(addedNode));
}
return ret;
@ -2088,23 +2090,16 @@ bool CConnman::BindListenPort(const CService &addrBind, std::string& strError, b
LogPrintf("%s\n", strError);
return false;
}
#ifndef WIN32
// Allow binding if the port is still in TIME_WAIT state after
// the program was closed and restarted.
setsockopt(hListenSocket, SOL_SOCKET, SO_REUSEADDR, (void*)&nOne, sizeof(int));
#else
setsockopt(hListenSocket, SOL_SOCKET, SO_REUSEADDR, (const char*)&nOne, sizeof(int));
#endif
setsockopt(hListenSocket, SOL_SOCKET, SO_REUSEADDR, (sockopt_arg_type)&nOne, sizeof(int));
// some systems don't have IPV6_V6ONLY but are always v6only; others do have the option
// and enable it by default or not. Try to enable it, if possible.
if (addrBind.IsIPv6()) {
#ifdef IPV6_V6ONLY
#ifdef WIN32
setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (const char*)&nOne, sizeof(int));
#else
setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&nOne, sizeof(int));
#endif
setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (sockopt_arg_type)&nOne, sizeof(int));
#endif
#ifdef WIN32
int nProtLevel = PROTECTION_LEVEL_UNRESTRICTED;

50
src/netaddress.cpp
View File

@ -14,7 +14,7 @@ static const unsigned char pchOnionCat[] = {0xFD,0x87,0xD8,0x7E,0xEB,0x43};
// 0xFD + sha256("bitcoin")[0:5]
static const unsigned char g_internal_prefix[] = { 0xFD, 0x6B, 0x88, 0xC0, 0x87, 0x24 };
void CNetAddr::Init()
CNetAddr::CNetAddr()
{
memset(ip, 0, sizeof(ip));
scopeId = 0;
@ -67,11 +67,6 @@ bool CNetAddr::SetSpecial(const std::string &strName)
return false;
}
CNetAddr::CNetAddr()
{
Init();
}
CNetAddr::CNetAddr(const struct in_addr& ipv4Addr)
{
SetRaw(NET_IPV4, (const uint8_t*)&ipv4Addr);
@ -290,11 +285,6 @@ bool operator==(const CNetAddr& a, const CNetAddr& b)
return (memcmp(a.ip, b.ip, 16) == 0);
}
bool operator!=(const CNetAddr& a, const CNetAddr& b)
{
return (memcmp(a.ip, b.ip, 16) != 0);
}
bool operator<(const CNetAddr& a, const CNetAddr& b)
{
return (memcmp(a.ip, b.ip, 16) < 0);
@ -469,14 +459,8 @@ int CNetAddr::GetReachabilityFrom(const CNetAddr *paddrPartner) const
}
}
void CService::Init()
CService::CService() : port(0)
{
port = 0;
}
CService::CService()
{
Init();
}
CService::CService(const CNetAddr& cip, unsigned short portIn) : CNetAddr(cip), port(portIn)
@ -525,11 +509,6 @@ bool operator==(const CService& a, const CService& b)
return static_cast<CNetAddr>(a) == static_cast<CNetAddr>(b) && a.port == b.port;
}
bool operator!=(const CService& a, const CService& b)
{
return static_cast<CNetAddr>(a) != static_cast<CNetAddr>(b) || a.port != b.port;
}
bool operator<(const CService& a, const CService& b)
{
return static_cast<CNetAddr>(a) < static_cast<CNetAddr>(b) || (static_cast<CNetAddr>(a) == static_cast<CNetAddr>(b) && a.port < b.port);
@ -663,16 +642,16 @@ bool CSubNet::Match(const CNetAddr &addr) const
static inline int NetmaskBits(uint8_t x)
{
switch(x) {
case 0x00: return 0; break;
case 0x80: return 1; break;
case 0xc0: return 2; break;
case 0xe0: return 3; break;
case 0xf0: return 4; break;
case 0xf8: return 5; break;
case 0xfc: return 6; break;
case 0xfe: return 7; break;
case 0xff: return 8; break;
default: return -1; break;
case 0x00: return 0;
case 0x80: return 1;
case 0xc0: return 2;
case 0xe0: return 3;
case 0xf0: return 4;
case 0xf8: return 5;
case 0xfc: return 6;
case 0xfe: return 7;
case 0xff: return 8;
default: return -1;
}
}
@ -724,11 +703,6 @@ bool operator==(const CSubNet& a, const CSubNet& b)
return a.valid == b.valid && a.network == b.network && !memcmp(a.netmask, b.netmask, 16);
}
bool operator!=(const CSubNet& a, const CSubNet& b)
{
return !(a==b);
}
bool operator<(const CSubNet& a, const CSubNet& b)
{
return (a.network < b.network || (a.network == b.network && memcmp(a.netmask, b.netmask, 16) < 0));

10
src/netaddress.h
View File

@ -38,15 +38,16 @@ class CNetAddr
public:
CNetAddr();
explicit CNetAddr(const struct in_addr& ipv4Addr);
void Init();
void SetIP(const CNetAddr& ip);
private:
/**
* Set raw IPv4 or IPv6 address (in network byte order)
* @note Only NET_IPV4 and NET_IPV6 are allowed for network.
*/
void SetRaw(Network network, const uint8_t *data);
public:
/**
* Transform an arbitrary string into a non-routable ipv6 address.
* Useful for mapping resolved addresses back to their source.
@ -87,7 +88,7 @@ class CNetAddr
bool GetIn6Addr(struct in6_addr* pipv6Addr) const;
friend bool operator==(const CNetAddr& a, const CNetAddr& b);
friend bool operator!=(const CNetAddr& a, const CNetAddr& b);
friend bool operator!=(const CNetAddr& a, const CNetAddr& b) { return !(a == b); }
friend bool operator<(const CNetAddr& a, const CNetAddr& b);
ADD_SERIALIZE_METHODS;
@ -124,7 +125,7 @@ class CSubNet
bool IsValid() const;
friend bool operator==(const CSubNet& a, const CSubNet& b);
friend bool operator!=(const CSubNet& a, const CSubNet& b);
friend bool operator!=(const CSubNet& a, const CSubNet& b) { return !(a == b); }
friend bool operator<(const CSubNet& a, const CSubNet& b);
ADD_SERIALIZE_METHODS;
@ -148,12 +149,11 @@ class CService : public CNetAddr
CService(const CNetAddr& ip, unsigned short port);
CService(const struct in_addr& ipv4Addr, unsigned short port);
explicit CService(const struct sockaddr_in& addr);
void Init();
unsigned short GetPort() const;
bool GetSockAddr(struct sockaddr* paddr, socklen_t *addrlen) const;
bool SetSockAddr(const struct sockaddr* paddr);
friend bool operator==(const CService& a, const CService& b);
friend bool operator!=(const CService& a, const CService& b);
friend bool operator!=(const CService& a, const CService& b) { return !(a == b); }
friend bool operator<(const CService& a, const CService& b);
std::vector<unsigned char> GetKey() const;
std::string ToString() const;

6
src/netbase.cpp
View File

@ -513,11 +513,7 @@ bool ConnectSocketDirectly(const CService &addrConnect, const SOCKET& hSocket, i
return false;
}
socklen_t nRetSize = sizeof(nRet);
#ifdef WIN32
if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, (char*)(&nRet), &nRetSize) == SOCKET_ERROR)
#else
if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, &nRet, &nRetSize) == SOCKET_ERROR)
#endif
if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, (sockopt_arg_type)&nRet, &nRetSize) == SOCKET_ERROR)
{
LogPrintf("getsockopt() for %s failed: %s\n", addrConnect.ToString(), NetworkErrorString(WSAGetLastError()));
return false;