imdsocket.cpp File Reference

#include "gmxpre.h"
#include "imdsocket.h"
#include "config.h"
#include <cerrno>
#include <cstring>
#include <ctime>
#include "gromacs/imd/imd.h"
#include "gromacs/utility/fatalerror.h"
#include "gromacs/utility/smalloc.h"

Include dependency graph for imdsocket.cpp:

Description

Implements functions of imdsocket.h.

This file re-implements vmdsock.c functions from original IMD API from scratch, see imdsocket.h for references to the IMD API.

Author

Martin Hoefling, Carsten Kutzner ckutz.nosp@m.ne@g.nosp@m.wdg.d.nosp@m.e

Classes
struct	gmx::IMDSocket
	IMD (interactive molecular dynamics) socket structure. More...

Macros
#define	ERR_ARGS   __FILE__, __LINE__, strerror(errno)
	Simple error handling.

Functions
int	gmx::imdsock_winsockinit ()
	Define a function to initialize winsock. More...
static void	gmx::print_IMD_error (const char *file, int line, char *msg)
	Print a nice error message on UNIX systems, using errno.h.
IMDSocket *	gmx::imdsock_create ()
	Create an IMD master socket. More...
void	gmx::imd_sleep (unsigned int seconds)
	Portability wrapper around sleep function.
int	gmx::imdsock_bind (IMDSocket *sock, int port)
	Bind the IMD socket to address and port. More...
int	gmx::imd_sock_listen (IMDSocket *sock)
	Set socket to listening state. More...
IMDSocket *	gmx::imdsock_accept (IMDSocket *sock)
	Accept incoming connection and redirect to client socket. More...
int	gmx::imdsock_getport (IMDSocket *sock, int *port)
	Get the port number used for IMD connection. More...
int	gmx::imd_htonl (int src)
	Portability wrapper around system htonl function.
int	gmx::imd_ntohl (int src)
	Portability wrapper around system ntohl function.
int	gmx::imdsock_write (IMDSocket *sock, const char *buffer, int length)
	Write to socket. More...
int	gmx::imdsock_read (IMDSocket *sock, char *buffer, int length)
	Read from socket. More...
void	gmx::imdsock_shutdown (IMDSocket *sock)
	Shutdown the socket. More...
int	gmx::imdsock_destroy (IMDSocket *sock)
	Close the socket and free the sock struct memory. More...
int	gmx::imdsock_tryread (IMDSocket *sock, int timeoutsec, int timeoutusec)
	Try to read from the socket. More...

Variables
constexpr int	gmx::c_maxConnections = 1
	Currently only 1 client connection is supported.