2.2 The Networking Package
Figure 1 through Figure 4 show class hierarchies for the Networking package.
Figure 1: Portal classes
Figure 2: Wrapper classes
The RWxmsg, RWInternalErr, and RWExternalErr classes shown in Figure 3 are included in the Essential Tools Module.
Figure 3: Data-handling and error-handling classes
The std::istream, std::streambuf, and std::ostream classes shown in Figure 4 are included in the Standard C++ Library Module.
Figure 4: I/O services in the Networking package
Table 1 lists and briefly describes the classes and the global function in the Networking package.
NOTE -- Any hyphens that appear in the following table are for formatting purposes only. Rogue Wave class and interface names do not include hyphens.
Table 1: Classes and global functions in the Networking package
All exception classes derive from RWXmsg. | |
Provides buffering of recv() calls to underlying portal | |
Provides buffering of send() calls to underlying portal | |
Constructs a complete IPv6 address that includes type information, host, port, and scope. | |
Used by RWSockAddrFactory to create instances of RWInet6Addr. | |
Encapsulates an Internet host IPv6 address and its names. | |
Constructs an RWSockType for an IPv6 address type. | |
Constructs a complete Internet address that includes type information, a host, and a port. | |
Used by the RWSockAddrFactory to create instances of RWInetAddr. | |
Encapsulates an Internet host IP address and its names. | |
Encapsulates an Internet port and its service names. | |
Constructs an RWSockType for an Internet address type. | |
Holds data and flags that indicate the state of the buffer. | |
Provides an extended interface to support multicast UDP sockets. | |
Is an access point to a reliable byte stream communication channel. | |
an abstract base class from which to create specialized portal types | |
Typedef for RWTPortalIStream<char>. | |
Typedef for RWTPortalOStream<char>. | |
Typedef for RWTPortalStream<char>. | |
Typedef for RWTPortalStreamBase<char>. | |
Typedef for RWTPortalStreambuf<char>. | |
Is a proxy to a socket address of a type that is not known until runtime. | |
Is an interface class that represents a socket address. | |
Builds addresses of any (registered) type. | |
Is an abstract class for various address factories. | |
Is a wrapper for the C concept of a socket. | |
Encapsulates conditions that may be true for a socket. | |
Waits on a specified socket address for incoming connections. | |
Is a socket implementation of a portal, implemented using the RWSocket class. | |
Represents a type of socket communications channel. | |
Enables timed send and receive operations. | |
Provides an std::basic_istream that uses an RWPortal as its source of bytes. | |
Provides an std::basic_ostream that uses an RWPortal as its sink of bytes. | |
Provides a std::basic_iostream that uses an RWPortal as its source and sync of bytes. | |
Includes functions common to derived portal stream classes. | |
Provides a std::basic_streambuf that uses an RWPortal as its source and sink of bytes. | |
Initializes the Winsock DLL on Windows platforms. | |
Sets an RWSocket into blocking mode. | |
Sets an RWSocket into non-blocking mode. | |
A global function that waits for a socket attribute to become true. |
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