tcp ip networking book

MySQL "Bind on TCP/IP port: Address already in use" Recently, a MySQL instance has been added to the server where MySQL Enterprise Monitor has been deployed. As a result, the MySQL Enterprise Monitor Instance becomes abnormal and cannot be restarted successfully. The error message "Bind on TCP/IP port: Address already

omitted, the default =0. Therefore, to create a TCP/IP socket, you can call Socket.socket () using the following method. Tcpsock = Socket.socket (socket.af_inet, socket. SOCK_STREAM) Similarly, create a UDP/IP socket, using the following method to invoke the Udpsock = Socket.socket (socket.af_inet, socket. SOCK_DGRAM) Create a

ObjectiveA beautiful teacher teaches this course, the class is all English, occasionally also jumps two sentences Chinese to explain the term, but basically does not say ... TCP/IP gave me the first impression is the knowledge point trivial, may be because of my knowledge and the amount of information is very deficient, fragmentation system.The teacher's courseware is based on the "TCPIP Protocol Family (4t

previously we talked about interprocess communication, which enables communication between different processes on the same computer through interprocess communication. through the network programming can realize the communication between each computer in the network. A process can use a socket implementation to communicate with other processes or other computers.The same socket can be used for inter-process communication as well as for communication between computers. sockets are abstractions of

implementing the output codevoidWrite_routine (intSockChar*buf) { while(1) {fgets (buf, Buf_size, stdin); if(!STRCMP (BUF,"q\n") || !STRCMP (BUF,"q\n") {shutdown (sock, SHUT_WR); return; } write (sock, buf, strlen (BUF)); }}at the same time the multi-process server also has shortcomings, each creation of a process represents a large number of operations and memory space consumption, mutual process data exchange is also very troublesome ... So how to fix it, the blog behind me may give an ans

model of today's Internet use is the TCP/IP model, and the latter do not use layers 5th and 6th of the OSI, so we ignore them.Well, I think you should understand. Of course, the 7th level we need to consider. In fact, it was for this 7th tier application that we took the trouble to build this model. Yes, the 7th floor is Mister, you have to wait, is so capricious →_→Layer 7th or Application layer:

, do not add the Host Name (name). Close this window after setting. Figure 2 2) press the shortcut key Ctrl + e to bring up the filter settings. Select"IPIn the right column, drag the address in the address book to the bottom, set it, and click OK. In this way, the packets between the two computers are captured. Figure 3 3. packet captureClick Start in the iris toolbar. Enter ftp: // 192.168.113.1 in the browser, find the file to be downlo

1. Data Transmission over the network can be divided into two types: connection-oriented and connection-free: 1.For connectionless protocols, such as Ethernet, IP, and UDP. 2. For connected protocols, such as ATM, frame relay, and TCP. See the following figure: Connection Oriented In connection-oriented mode, before sending data, you must connect a communication line between the receiving and receiving

First mark an error, domain.h the book in the Netinet directory, but my this is under the Sys.All domain forms linked lists, which are indicated by the global variable domainsstruct domain {int dom_family;/* af_xxx */char *dom_name;void (*dom_init)//Initialize domain data structures */__p ((void));Int (*dom_externalize)/* externalize access rights */__p ((struct mbuf *));Int (*dom_dispose)/* Dispose of internalized rights */__p ((struct mbuf *));struc

(), Iparkapplication.gethostport (). GetPort ());Iparkapplication.setsocket (socket);}String rspstr = Socket.write (reqmsg);//book data contains links to Socletif (rspstr==null| | Rspstr.equals ("Network exception! ")){Handler.sendemptymessage (Net_err);}else{Parsing dataRESULTEBERTHPO = new Getberthsresultpo ();Commondecoderr Cdecoder = new Commondecoderr ();Cdecoder.decode (RSPSTR);String Subcontent=cdecoder.getsubpackege ();Logger.debug ("subcoten

Note: This note is suitable for summary and review by people who have read this book, not suitable for entry-level learning Chapter 4 advanced 4.1 multi-task processing iterative server means that the server can only process one client parallel server at a time. It means that the server can process multiple clients simultaneously to Implement Parallel Server in three ways, one customer thread 2, thread pool 3, built-in tool * Logger Applications 4.2 b

In order to complete the compilation first, the following steps are required:1. Go to the Linux subdirectory and perform make. (This step is patching.) ）2, return to the previous level directory, open file simplec.c, add header file #include 3. Remove static from the static void set_address in the following file:Connectto.cTcpsink.c3. Perform make at the root directory.Carries mistake one:When doing Shutdownc/tcpecho experiments, the client SHUTDOWNC always outputs an error:Shutdownc:fputs faile