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Simulate Java's Thread class in C++ c++ c sockets networking share|improve this question asked Aug 29 '14 at 21:02 Matthew 1,26421646 1 You are assuming that TCP can transfer messages It's a collection of elements of some type. To allow the server to handle multiple simultaneous connections, we make the following changes to the code: Put the accept statement and the following code in an infinite loop. Either way Still doesn't work :( –user1018513 Jul 24 '12 at 14:57 You are right. his comment is here

The third argument is the protocol. The second argument is a pointer to a structure of type sockaddr, but what is passed in is a structure of type sockaddr_in, and so this must be cast to the Search this Thread 08-06-2012, 02:20 AM #1 gajananh999 Member Registered: Aug 2012 Posts: 94 Rep: ERROR writing to socket: Bad address Hello All I m new to linux and Having a problem logging in? http://stackoverflow.com/questions/11633150/socket-read-write-error

Error Writing To Socket C

buffer[buflen] = tmp; ++buflen; } while (1); printf("%*.*s\n", buflen, buflen, buffer); break; } while (1); share|improve this answer edited Oct 1 '13 at 23:30 answered Oct 1 '13 at 23:15 Remy Here is the definition: struct sockaddr_in { short sin_family; u_short sin_port; struct in_addr sin_addr; char sin_zero[8]; }; An in_addr structure, defined in the same header file, contains only one field, a In order to get an address, you must store those bytes in a variable (you can't take the address of the result of an expression). The part I am having difficulty understanding is that on my client program, I loop and call the write 5 different times, on the server, I loop and call the read

As we saw above, once a connection is established, both ends can use read and write to send information to the other end, and the details of the information passed back You also can't control whether TCP coalesces outgoing writes into one segment. Why did it take 10,000 years to discover the Bajoran wormhole? Error Writing To Socket Invalid Argument NB When you get an error, don't just print a message of your own devising.

share|improve this answer edited Dec 6 '12 at 0:00 answered Dec 5 '12 at 22:40 Jonathan Leffler 439k62511823 I don't think your suggested code is quite right. The time now is 10:22 PM. Short of that, you can use some kind of end-of-message marker (such as a newline) so the server can differentiate them, if you have a very simple communication format. http://stackoverflow.com/questions/19127398/socket-programming-read-is-reading-all-of-my-writes TH Visualizing this Matrix Transformation on the Unit Square Exploded Suffixes Somewhat Generalized Mean Value Theorem Translating "machines" and "people" Why is it a bad idea for management to have constant

When the two processes have completed their conversation, as indicated by dostuff() returning, this process simply exits. 3cdaemon Error Writing To Socket Faq Reply With Quote Share This Thread  Tweet This + 1 this Post To Linkedin Subscribe to this Thread  Subscribe to This Thread « Previous Thread | Next Thread This function returns 0 on success and -1 if it fails. The first is the address domain of the socket.

Error Writing To Socket Connection Reset By Peer

Does “hack” have meanings other than “rough cut, blow” and "act of computer hacking"? have a peek at these guys You can choose any number between 2000 and 65535. Error Writing To Socket C The parent process closes newsockfd. Error Writing To Socket Broken Pipe Change to: rtn=write(data, PATHA, strlen(PATHA)); Note sizeof(char) is guaranteed to be 1 so it can be omitted from the size calculation.

It's missing some specific information regarding what particular content from among a collection. this content Click here to see the man page for read(). All Rights Reserved. Much of it is the same as in the server. Error Writing To Socket Bad File Descriptor

The mechanism by which this function works is complex, often involves querying large databases all around the country. The two symbolic constants are SOCK_STREAM and SOCK_DGRAM. Please help me regards, gajanan hiroji [email protected] +919008311701 gajananh999 View Public Profile View LQ Blog View Review Entries View HCL Entries Find More Posts by gajananh999 08-06-2012, 02:51 AM weblink The two processes each establish their own socket.

Server code with a datagram socket man7.org > Linux > man-pages Linux/UNIX system programming training NAME | SYNOPSIS | DESCRIPTION | RETURNVALUE | ERRORS | CONFORMINGTO | NOTES | BUGS Error Writing To Authentication Socket Linux 2016-03-15 WRITE(2) Copyright and license for this manual page HTML rendering created 2016-10-08 by Michael Kerrisk, author of The Linux Programming Interface, maintainer of the Linux man-pages project. Are independent variables really independent?

Here is a typical command line: server 51717 To run the client you need to pass in two arguments, the name of the host on which the server is running and

A good analogy is a person who makes a phone call to another person. There are a number of ways to do this, but the simplest way is to use the read() and write() system calls. Suppose, for a moment, that when you decided to use a function, you actually read the documentation. Socket Write Error Ftp Notice that the client needs to know the port number of the server, but it does not need to know its own port number.

This should be set to 5, the maximum size permitted by most systems. If data is 100 bytes in length, datasize will be "100". You can implement a poor man's version of it by read()ing one character at a time until you hit the end-of-line character, for receiving lines of unknown length. http://smartphpstatistics.com/error-writing/charon-10-net-error-writing-to-socket-invalid-argument.html share|improve this answer answered Dec 5 '12 at 22:40 hmjd 88.8k8115178 Correct, though not as ASCII text, instead as raw binary data. –fotg Dec 5 '12 at 23:40

I have also tried defining the string as a char[] with the same issue c linux share|improve this question edited Dec 5 '12 at 23:39 asked Dec 5 '12 at 22:37 For instance, if you decide that server should send 2 packets by 255 bytes each, your client procedure which receives one packet would look like this: int count = 0; while These terms refer to the two processes which will be communicating with each other. This call typically blocks until a client connects with the server.

Server code The server code uses a number of ugly programming constructs, and so we will go through it line by line. #include <stdio.h>

This header file contains declarations used in EFBIG An attempt was made to write a file that exceeds the implementation-defined maximum file size or the process's file size limit, or to write at a position past the maximum You might want to use a datagram socket in cases where there is only one message being sent from the client to the server, and only one message being sent back. array subscripts into the file descriptor table .

Click here to see the man page for connect. Because all of this code is in an infinite loop, it will return to the accept statement to wait for the next connection. Could anyone tell me if there's an obvious problem with this "echo" program? However, before you read the descriptions and look at the code, you should compile and run the two programs to see what they do.

Why would a password requirement prohibit a number in the last character? No message boundaries. Meaning of S. I'm working with Unix Network Programming (V1, 3rd, Stevens) and on the last exercise of chapter 1, which involves modifying a daytime server program to write each byte individually rather than

Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started The client writes the message 5 times as quickly as it can, and the server reads five times as quickly as it can. The client will print the acknowledgement message from the server and then terminate. Truth in numbers more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts