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add match(), isnone() utility function

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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:
SASANO Takayoshi 2020-03-28 04:37:51 +09:00
parent 022d1a768b
commit 5dccd5c5ce
2 changed files with 33 additions and 0 deletions
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2
UDPSocket.h
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@ -49,6 +49,8 @@ public:
void close();
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:
std::string m_address;