Mac os x socket example


Python Server Socket Program

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Also note that when you issue this command you'll be prompted for the superuser password. Hopefully you already know that -- it's the same password you're prompted for when you install some applications on your system, like iWork or iLife. You need to find the variable named mysql. Your edited line should look like this:.

Arudino connected to Mac OS X via UDP Sockets over WiFi

After making these changes I restarted Apache, and hit my initial web page, and saw that my initial PHP problem was fixed, and I thought I was done. There are other ways to do this, but this is an easy one to remember. I couldn't figure out where Kohana gets this location from, so to solve this problem, I created a hard link from this location where Kohana expected to find the socket to the real socket, following these steps from within the Terminal:. By Alvin Alexander.


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Last updated: June 3 Here are the steps I followed to fix this problem: Step 1: open up a Terminal window. Convert bit positive integers from network to host byte order. On machines where the host byte order is the same as network byte order, this is a no-op; otherwise, it performs a 4-byte swap operation.

On machines where the host byte order is the same as network byte order, this is a no-op; otherwise, it performs a 2-byte swap operation. Convert bit positive integers from host to network byte order. If the IPv4 address string passed to this function is invalid, socket. If the string passed to this function is not exactly 4 bytes in length, socket. Convert an IP address from its family-specific string format to a packed, binary format.

Convert a packed IP address a string of some number of characters to its standard, family-specific string representation for example, '7. A socket.

nc / netcat

Return the default timeout in seconds float for new socket objects. A value of None indicates that new socket objects have no timeout. When the socket module is first imported, the default is None. Set the default timeout in seconds float for new socket objects. This is a Python type object that represents the socket object type. It is the same as type socket Socket objects have the following methods. Except for makefile these correspond to Unix system calls applicable to sockets. Accept a connection.

The socket must be bound to an address and listening for connections. The return value is a pair conn, address where conn is a new socket object usable to send and receive data on the connection, and address is the address bound to the socket on the other end of the connection. Bind the socket to address. The socket must not already be bound. The format of address depends on the address family — see above.

This was never intentional and is no longer available in Python 2. Close the socket. All future operations on the socket object will fail. The remote end will receive no more data after queued data is flushed. Sockets are automatically closed when they are garbage-collected. If you want to close the connection in a timely fashion, call shutdown before close.

Connect to a remote socket at address. The error indicator is 0 if the operation succeeded, otherwise the value of the errno variable.

Mac OS X Manual Page For socket(2)

This is useful to support, for example, asynchronous connects. This is useful with select. Under Windows the small integer returned by this method cannot be used where a file descriptor can be used such as os. Unix does not have this limitation. Return the remote address to which the socket is connected. The format of the address returned depends on the address family — see above. On some systems this function is not supported.


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  • Return the value of the given socket option see the Unix man page getsockopt 2. If buflen is absent, an integer option is assumed and its integer value is returned by the function. If buflen is present, it specifies the maximum length of the buffer used to receive the option in, and this buffer is returned as a string. It is up to the caller to decode the contents of the buffer see the optional built-in module struct for a way to decode C structures encoded as strings.

    The ioctl method is a limited interface to the WSAIoctl system interface. Please refer to the Win32 documentation for more information. On other platforms, the generic fcntl. Listen for connections made to the socket. The backlog argument specifies the maximum number of queued connections and should be at least 0; the maximum value is system-dependent usually 5 , the minimum value is forced to 0. Return a file object associated with the socket. File objects are described in File Objects. The file object does not close the socket explicitly when its close method is called, but only removes its reference to the socket object, so that the socket will be closed if it is not referenced from anywhere else.

    The socket must be in blocking mode it can not have a timeout. The optional mode and bufsize arguments are interpreted the same way as by the built-in file function. On Windows, the file-like object created by makefile cannot be used where a file object with a file descriptor is expected, such as the stream arguments of subprocess. Receive data from the socket. The return value is a string representing the data received.

    Building Socket Programs

    The maximum amount of data to be received at once is specified by bufsize. See the Unix manual page recv 2 for the meaning of the optional argument flags ; it defaults to zero.

    pierreducalvet.ca/186744.php For best match with hardware and network realities, the value of bufsize should be a relatively small power of 2, for example, The return value is a pair string, address where string is a string representing the data received and address is the address of the socket sending the data. Receive data from the socket, writing it into buffer instead of creating a new string.

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    The return value is a pair nbytes, address where nbytes is the number of bytes received and address is the address of the socket sending the data. Receive up to nbytes bytes from the socket, storing the data into a buffer rather than creating a new string. If nbytes is not specified or 0 , receive up to the size available in the given buffer. Returns the number of bytes received. Send data to the socket. The socket must be connected to a remote socket. The optional flags argument has the same meaning as for recv above.

    Returns the number of bytes sent. Applications are responsible for checking that all data has been sent; if only some of the data was transmitted, the application needs to attempt delivery of the remaining data. Unlike send , this method continues to send data from string until either all data has been sent or an error occurs.

    None is returned on success. On error, an exception is raised, and there is no way to determine how much data, if any, was successfully sent. The socket should not be connected to a remote socket, since the destination socket is specified by address. Return the number of bytes sent. Set blocking or non-blocking mode of the socket: if flag is 0, the socket is set to non-blocking, else to blocking mode.


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    • Initially all sockets are in blocking mode.

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      Mac os x socket example

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