author | terom |
Wed, 17 Dec 2008 00:40:22 +0000 | |
changeset 381 | 9b35bc329d23 |
permissions | -rw-r--r-- |
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#ifndef NETWORK_SOCKADDR_H |
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#define NETWORK_SOCKADDR_H |
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#include "Address.hh" |
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/* |
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* Platform-specific includes |
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*/ |
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#ifndef WIN32 |
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// linux |
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#include <netinet/in.h> |
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#else |
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#error "This network code won't compile on win32 :)" |
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#endif |
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/** |
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* This represents a `struct sockaddr` as used by the socket API. |
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* |
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* It can be used like a NetworkEndpoint, but it's also suitable for use with recvfrom/sendto |
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*/ |
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class NetworkAddress : public NetworkEndpoint { |
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protected: |
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/** |
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* The machine-readable address |
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*/ |
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sockaddr_storage address; |
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/** |
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* The address length |
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*/ |
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socklen_t address_length; |
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public: |
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/** |
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* Construct an empty SockAddr for later update() |
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*/ |
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NetworkAddress (void); |
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/** |
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* Construct a NetworkAddress from a machine-readable address of the given length |
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*/ |
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NetworkAddress (const sockaddr *addr, socklen_t len); |
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/** |
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* Get a const sockaddr* in this address |
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* |
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* @return read-only sockaddr pointer |
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*/ |
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const sockaddr* get_sockaddr (void) const { return (const sockaddr *) &address; } |
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/** |
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* Get a mutable sockaddr* in this address |
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* |
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* @return writeable sockaddr pointer |
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*/ |
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sockaddr* get_sockaddr (void) { return (sockaddr *) &address; } |
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/** |
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* Get the current address length |
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* |
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* @return address length |
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*/ |
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socklen_t get_socklen (void) const { return address_length; } |
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/** |
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* Get a the address length pointer, initialized to the size of our sockaddr_storage. |
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* |
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* @return address length pointer |
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*/ |
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socklen_t* get_socklen_ptr (void) { address_length = sizeof(address); return &address_length; } |
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/** |
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* Copy given sockaddr/len + update |
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*/ |
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void set_sockaddr (const sockaddr *addr, socklen_t len); |
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/** |
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* Update internal state for NetworkAddress after sockaddr/socklen_ptr have been modified. |
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*/ |
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void update (void); |
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/** |
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* Returns a "fake" addrinfo |
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virtual addrinfo* get_addrinfo (int family, int socktype, int protocol = 0, int flags = 0) const; |
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/** |
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* Free an addrinfo returned by get_addrinfo |
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*/ |
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virtual void free_addrinfo (addrinfo *info) const; |
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/** |
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* Equal-to comparison operator. Invalid addresses compare equal and are always smaller |
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*/ |
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bool operator== (const NetworkAddress &other) const { |
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return (address_length == other.address_length) && memcmp(&address, &other.address, address_length) == 0; |
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} |
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/** |
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* Not-equal-to comparison operator. Invalid addresses compare equal and are always smaller |
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*/ |
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bool operator!= (const NetworkAddress &other) const { |
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return (address_length != other.address_length) || memcmp(&address, &other.address, address_length) != 0; |
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} |
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/** |
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* Less-than comparison operator. Smaller addresses are always lesser. |
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*/ |
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bool operator< (const NetworkAddress &other) const { |
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return (address_length < other.address_length) || memcmp(&address, &other.address, other.address_length) < 0; |
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} |
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/** |
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* Greater-than comparison operator. Bigger addresses are always greater. |
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*/ |
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bool operator> (const NetworkAddress &other) const { |
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return (address_length > other.address_length) || memcmp(&address, &other.address, address_length) > 0; |
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} |
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}; |
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#endif |