add match(), isnone() utility function
match() checks address family, IP address and port between two sockaddr_storages. isnone() checks sockaddr_storage has INADDR_NONE IPv4 address. (sockaddr_storage has this address when lookup() failed)
This commit is contained in:
parent
022d1a768b
commit
5dccd5c5ce
|
@ -86,6 +86,37 @@ int CUDPSocket::lookup(const std::string& hostname, unsigned int port, sockaddr_
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
bool CUDPSocket::match(const sockaddr_storage &addr1, const sockaddr_storage &addr2)
|
||||||
|
{
|
||||||
|
if (addr1.ss_family != addr2.ss_family)
|
||||||
|
return false;
|
||||||
|
|
||||||
|
switch (addr1.ss_family) {
|
||||||
|
case AF_INET:
|
||||||
|
struct sockaddr_in *in_1, *in_2;
|
||||||
|
in_1 = (struct sockaddr_in *)&addr1;
|
||||||
|
in_2 = (struct sockaddr_in *)&addr2;
|
||||||
|
return ( (in_1->sin_addr.s_addr == in_2->sin_addr.s_addr) &&
|
||||||
|
(in_1->sin_port == in_2->sin_port) );
|
||||||
|
case AF_INET6:
|
||||||
|
struct sockaddr_in6 *in6_1, *in6_2;
|
||||||
|
in6_1 = (struct sockaddr_in6 *)&addr1;
|
||||||
|
in6_2 = (struct sockaddr_in6 *)&addr2;
|
||||||
|
return ( IN6_ARE_ADDR_EQUAL(&in6_1->sin6_addr, &in6_2->sin6_addr) &&
|
||||||
|
(in6_1->sin6_port == in6_2->sin6_port) );
|
||||||
|
default:
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CUDPSocket::isnone(const sockaddr_storage &addr)
|
||||||
|
{
|
||||||
|
struct sockaddr_in *in = (struct sockaddr_in *)&addr;
|
||||||
|
|
||||||
|
return ( (addr.ss_family == AF_INET) &&
|
||||||
|
(in->sin_addr.s_addr == htonl(INADDR_NONE)) );
|
||||||
|
}
|
||||||
|
|
||||||
bool CUDPSocket::open()
|
bool CUDPSocket::open()
|
||||||
{
|
{
|
||||||
int err;
|
int err;
|
||||||
|
|
|
@ -49,6 +49,8 @@ public:
|
||||||
void close();
|
void close();
|
||||||
|
|
||||||
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage &address, unsigned int &address_length);
|
static int lookup(const std::string& hostName, unsigned int port, sockaddr_storage &address, unsigned int &address_length);
|
||||||
|
static bool match(const sockaddr_storage &addr1, const sockaddr_storage &addr2);
|
||||||
|
static bool isnone(const sockaddr_storage &addr);
|
||||||
|
|
||||||
private:
|
private:
|
||||||
std::string m_address;
|
std::string m_address;
|
||||||
|
|
Loading…
Reference in a new issue