Generic log function with log level control. Uses the same log levels of the syslog(3) system call */

Add a byte to a buffer. */

Check if there's room for a number of additional bytes */

Return how much room is left */

Check and act upon read/write result. Uses errno. Returns true on error. */

This method is called from libsercd.so @param newstate New sercd state.

Initialize a buffer for operation */

Return the length of the data in the buffer */

Remove the number of read bytes specified */

Get string from buffer, without removing it. Returns the length of the string. */

Retrieves the flow control status, including DTR and RTS status, from PortFd */

Try to lock the file given in LockFile as pid LockPid using the classical HDB (ASCII) file locking scheme */

initialize Telnet State Machine */

Check if the buffer is empty */

Setup sockets for low latency and automatic keepalive; doesn't * check if anything fails because failure doesn't prevent correct * functioning but o

Convert termios data size to tncom size */

Convert termios input flow control to tncom flow */

Convert termios output flow control to tncom flow */

Convert termios parity to tncom parity */

Convert termios speed to tncom speed */

Convert termios stop size to tncom size */

Function executed when the program exits */

Return the status of the modem control lines (DCD, CTS, DSR, RNG) */

Retrieves the data size from PortFd */

Retrieves the parity settings from PortFd */

Retrieves the port speed from PortFd */

Retrieves the stop bits size from PortFd */

Remove the lock file created with HDBLockFile */

Send a string to SockFd performing IAC escaping Max buffer fill: 2*len(Str) */

Set the serial port data size */

Set the port flow control and DTR and RTS status */

Set the serial port parity */

Set the serial port speed */

Set the serial port stop bits size */

Function called on break signal */ Unimplemented yet */

Get a byte from a buffer */

Function called on many signals */

Called when the activity is first created.