Download Advanced CORBA (R) Programming with C++ by Michi Henning, Steve Vinoski PDF

By Michi Henning, Steve Vinoski

Here's the CORBA ebook that each C++ software program engineer has been watching for. complex CORBA(r) Programming with C++ presents designers and builders with the instruments required to appreciate CORBA expertise on the architectural, layout, and resource code degrees. This ebook deals hands-on motives for development effective functions, in addition to lucid examples that supply sensible recommendation on averting expensive error. With this e-book as a advisor, programmers will locate the help they should effectively adopt industrial-strength CORBA improvement initiatives.

The content material is systematically prepared and provided so the booklet can be used as either an educational and a reference. the wealthy instance courses during this definitive textual content exhibit CORBA builders easy methods to write clearer code that's extra maintainable, moveable, and effective. The authors' certain insurance of the IDL-to-C++ mapping strikes past the mechanics of the APIs to debate issues similar to power pitfalls and potency. An in-depth presentation of the hot moveable item Adapter (POA) explains tips on how to make the most of its various positive aspects to create scalable and high-performance servers. furthermore, certain dialogue of complex issues, resembling rubbish assortment and multithreading, offers builders with the data they should write advertisement functions.

Other highlights

In-depth assurance of IDL, together with universal idioms and layout trade-offs entire and unique causes of the existence Cycle, Naming, buying and selling, and occasion companies dialogue of IIOP and implementation repositories perception into the dynamic points of CORBA, akin to dynamic typing and the recent DynAny interfaces suggestion on settling on applicable software architectures and designs specified, moveable, and vendor-independent resource code

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Our minimal application is so small that the source code is dominated by the number of lines required to initialize the ORB run time. ) As applications get larger, the overhead incurred by CORBA remains fixed, so almost all the code you write can concern itself with the actual application logic instead of the details of how to communicate. This is one major advantage of CORBA: it relieves you of the burden of dealing with infrastructure concerns and allows you to put your effort where you really need it—namely, toward developing the business logic of your application.

The next step is to implement the get_gmt method of Time_impl. For now, we are ignoring error conditions. If the call to time fails with a return value of -1, get_gmt returns a garbage time value instead of raising an exception. second = time_p->tm_sec; return tod; } This completes the object implementation. What remains is to provide a main function for the server. The first few lines are identical for most servers and initialize the serverside ORB run time: int 50 IT-SC book: Advanced CORBA® Programming with C++ main(int argc, char * argv[]) { try { // Initialize orb CORBA::ORB_var orb = CORBA::ORB_init(argc, argv); // Get reference to Root POA.

Operating system independence The client does not care what operating system is used by the server. The server may even be implemented without the support of an operating system—for example, as a real-mode embedded program. Protocol independence The client does not know what communication protocol is used to send messages. If several protocols are available to communicate with the server, the ORB transparently selects a protocol at run time. Transport independence The client is ignorant of the transport and data link layer used to transmit messages.

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