--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qmsk/net/socket/af_inet.pyx	Tue Aug 18 23:02:30 2009 +0300
@@ -0,0 +1,94 @@
+cimport qmsk.net.py as py
+
+cdef class sockaddr_in (sockaddr) :
+
+    def __init__ (self, object addr=None, platform.in_port_t port=0) :
+        """
+            Construct using given literal IPv4 address and TCP/UDP port
+
+                addr        - IPv4 address, defaults to INADDR_ANY (0.0.0.0)
+                port        - TCP/UDP port, defaults to 0 (ephemeral)
+        """
+
+        # zero
+        libc.memset(&self.sockaddr, 0, sizeof(self.sockaddr))
+
+        # store our family
+        # XXX: this should be a class attribute...
+        self._init_family(platform.AF_INET)
+
+        # constant af
+        self.sockaddr.sin_family = self.family
+        
+        # set the sin_port
+        self.sockaddr.sin_port = platform.htons(port)
+        
+        if addr :
+            # set the sin_addr
+            # this automatically converts the addr from str -> char *
+            platform.inet_pton(self.family, addr, &self.sockaddr.sin_addr)
+
+        else :
+            # set as INADDR_ANY
+            self.sockaddr.sin_addr.s_addr = platform.INADDR_ANY
+    
+    cdef int _get_sockaddr (self, platform.sockaddr **sa_ptr, platform.socklen_t *sa_len) except -1 :
+        if sa_ptr :
+            sa_ptr[0] = <platform.sockaddr *> &self.sockaddr
+
+        if sa_len :
+            sa_len[0] = sizeof(self.sockaddr)
+
+        return 0
+
+    cdef int _set_sockaddr (self, platform.sockaddr *sa, size_t sa_len) except -1 :
+        assert sa_len == sizeof(self.sockaddr)
+
+        libc.memcpy(&self.sockaddr, sa, sa_len)
+
+    property port :
+        """
+            The integer port number
+
+            >>> sockaddr_in(port=1234).port
+            1234
+        """
+
+        def __get__ (self) :
+            return platform.ntohs(self.sockaddr.sin_port)
+
+    def __cmp__ (self, other_obj) :
+        """
+            A sockaddr_in is equal to any other sockaddr_in which has the same addr and port
+            
+            >>> assert sockaddr_in() == sockaddr_in()
+            >>> assert sockaddr_in('127.0.0.1', 80) == sockaddr_in('127.0.0.1', 80)
+            >>> addr = sockaddr_in(); assert addr == addr
+        """
+
+        if not isinstance(other_obj, sockaddr_in) :
+            return <object> py.Py_NotImplemented
+
+        cdef sockaddr_in other = other_obj
+        cdef platform.sockaddr_in *sa1 = &self.sockaddr, *sa2 = &other.sockaddr
+
+        if other is self :
+            return 0
+
+        return (
+                libc.memcmp(<void *> &sa1.sin_port, <void *> &sa2.sin_port, sizeof(sa1.sin_port))
+            or  libc.memcmp(<void *> &sa1.sin_addr, <void *> &sa2.sin_addr, sizeof(sa1.sin_addr))
+        )
+
+    def __str__ (self) :
+        """
+            Return the literal ASCII representation for this sockaddr as an '<addr>:<port> string
+        
+            >>> str(sockaddr_in())
+            '0.0.0.0:0'
+        """
+        
+        # format
+        return "%s:%s" % self.getnameinfo()
+
+