Swift, Xcode, and Cocoa Basics. Swift 4 Programming Cookbook: Ahmed Bakir. What other items do customers buy after viewing this item? Connecting the Enterprise to the iPhone and iPad Paperback. Read more. Product details Paperback: Packt Publishing January 22, Language: English ISBN Print edition purchase must be sold by Amazon. Learn more. Thousands of books are eligible, including current and former best sellers. Look for the Kindle MatchBook icon on print and Kindle book detail pages of qualifying books.
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- IOS and OS X Network Programming Cookbook.
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There was a problem filtering reviews right now. Please try again later. Kindle Edition Verified Purchase. There is loads plenty of nice beginner stuff like building echo servers and constructing ping packets so readers with no networking knowledge at all can be broken in gently. There is a comprehensive chapter on Libnet that starts with a refresher on network layers and steadily builds in complexity, again making it suitable for all skill levels. It's hard to exaggerate the thrill of sending yourself messages even if it is just across the living room.
It is just so much fun being Vint Cerf just for an hour or two. Perhaps the book could have had even more in it. I loved working through the tutorials, especially as I had never done anything remotely network orientated on Mac before.
iOS and Mac OS X Network Programming : Jiva DeVoe :
But the book weighs in over pages so it would be unfair to criticise really. Overall the information was extremely compelling and definitely a candidate for cookbook 2. I would read it for sure. There is a recipe for that. The recipes included were well written and extensive. My favorites are the Peer to Peer Bluetooth and Bonjour recipes. You can choose to read the book by picking a section that is of interest or simply start at the beginning and go cover to cover. While the book is a "cookbook" there is continuity between the chapters unlike many other cookbooks on the market.
Kindle Edition. It saved me hopping from blog to blog trying to learn the subject matter. Wasting hours experimenting with bits of code or worse attempting to re-engineer code found on the internet. Examples in the book were concise to learn the subject, enabling me to quickly build my project. The few minor points not covered were quick to figure out based on the foundation of knowledge the book provided. The author also covered additional topics on how to access raw internet packets and manipulate them including a nice section of HTTP projects.
I have always liked cookbooks and this one is not an exception. Author has covered all the topics with practical examples. I have gone through few iOS books and this one is best so far. All in all, this is a cookbook I'm happy to have added to my collection. This book is great, very useful. It talks about everything about networking from the low level function in C to top level with popular framework as AFNetworking. Specially great for clarifying concepts. The example code is very useful to bring ideas to the land.
See all 6 reviews. Thus, as a general rule, you should separate the networking code from any common data processing functionality and rewrite the networking code using higher-level APIs. Foundation defines high-level classes for managing URL connections, socket streams, network services, and other networking tasks. Together they define the functions and structures upon which the Foundation networking classes are built. The way you make an outgoing connection depends on what programming language you are using, on the type of connection TCP, UDP, and so forth , and on whether you are trying to share code with other non-Mac, non-iOS platforms.
You can then cast these to an NSStream object. However, if you are writing networking code that must be shared with other platforms, you can use the POSIX networking APIs so that you can use the same code everywhere. If you use synchronous networking calls in a GUI application, you must do so on a separate thread. The subsections below describe the use of NSStream. As a rule, the recommended way to establish a TCP connection to a remote host is with streams.
- iOS and OS X Network Programming Cookbook: Jon Hoffman: erehadezom.gq: Books.
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Streams automatically handle many of the challenges that TCP connections present. Streams are also a more Cocoa-like networking interface than lower-level protocols, behaving in a way that is largely compatible with the Cocoa file stream APIs. The way you obtain input and output streams for a host depends on whether you used service discovery to discover the host:. After you have obtained your input and output streams, you should retain them immediately if you are not using automatic reference counting.
When the stream: This method returns the number of bytes written or a negative number on error. If fewer bytes were written than you tried to send, you must queue up the remaining data and send it after the delegate method gets called again with an NSStreamEventHasSpaceAvailable event. If an error occurs, you should call streamError to find out what went wrong. This method returns the number of bytes read, or a negative number on error. If fewer bytes were read than you need, you must queue the data and wait until you receive another stream event with additional data. When you read from that stream, you get a length of zero 0.
When either of these two events occurs, the delegate method is responsible for detecting the end-of-file condition and cleaning up. By default, this closes the underlying socket connection. There are two situations in which you must close it yourself, however:. By default, streams created from an existing native socket do not close their underlying socket. As mentioned previously, a server and a client are similar once the connection is established. The main difference is that clients make outgoing connections, whereas servers create a listening socket sometimes listen socket —a socket that listens for incoming connections—then accept connections on that socket.
After that, each resulting connection behaves just like a connection you might make in a client. The API you should choose for your server depends primarily on whether you are trying to share the code with other non-Mac, non-iOS platforms.
At a Glance
There are only two APIs that provide the ability to listen for incoming network connections: Higher-level APIs cannot be used for accepting incoming connections. Provide a CFData object containing a sockaddr struct that specifies information about the desired port and family. When you are through with the socket, you must close it by calling CFSocketInvalidate. In this case, the data parameter of the callback is a pointer to a CFSocketNativeHandle value an integer socket number representing the socket. The stream-based APIs are strongly recommended. For more information, see CFSocket Reference.
For sample code, see the RemoteCurrency and WiTap sample code projects. Create a socket by calling socket. For example:. If you are going to advertise your service with Bonjour, you should almost always use an ephemeral port. If you are using an ephemeral port, call getsockname to find out what port you are using. You can then register this port with Bonjour. The next steps depend on whether you intend to use pure POSIX socket code or a higher level abstraction. Then follow the directions in Listening with Core Foundation , beginning at step 3.
GCD allows you to perform operations asynchronously, and provides an event queue mechanism for determining when to read data from the socket. After creating the listening socket, a GCD-based server should:. Call accept. This function fills a new sockaddr structure with information about the connection and returns a new socket for that connection. This block can also send responses by calling write on the socket.
Networking Programming Topics
If you need to perform actions periodically on your networking thread, construct a timeval structure for the select timeout. It is important to choose a timeout that is reasonable. Short timeout values bog down the system by causing your process to run more frequently than is necessary. Unless you are doing something very unusual, your select loop should not wake more than a few times per second, at most, and on iOS, you should try to avoid doing this at all.
- Using Sockets and Socket Streams.
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