X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9189fe94c14ef9e31142d1603a1979ea7e731a0a..b4036710f1d7f435ac50328d290cb95b108d505e:/include/gras/transport.h?ds=sidebyside diff --git a/include/gras/transport.h b/include/gras/transport.h index 0d0f9a16ae..49984b1fe4 100644 --- a/include/gras/transport.h +++ b/include/gras/transport.h @@ -1,3 +1,4 @@ + /* $Id$ */ /* transport - low level communication (send/receive bunches of bytes) */ @@ -11,37 +12,51 @@ #ifndef GRAS_TRANSPORT_H #define GRAS_TRANSPORT_H -#include "xbt/error.h" - /** \addtogroup GRAS_sock - * \brief Socket handling (Communication facility). + * \brief Socket handling + * + * The model of communications in GRAS is very close to the BSD socket one. + * To get two hosts exchanging data, one of them need to open a + * server socket on which it can listen for incoming messages and the + * other one must connect a client socket onto the server one. + * + * The main difference is that you cannot exchange arbitrary bytes on + * sockets, but messages. See the \ref GRAS_msg section for details. + * + * If you need an example of how to use sockets, check \ref GRAS_ex_ping. + * */ - -/** \name Socket creation functions + +/** \defgroup GRAS_sock_create Socket creation functions * \ingroup GRAS_sock + * */ /* @{*/ /** \brief Opaque type describing a socket */ typedef struct s_gras_socket *gras_socket_t; /** \brief Simply create a client socket (to speak to a remote host) */ -gras_socket_t gras_socket_client(const char *host, unsigned short port); +XBT_PUBLIC gras_socket_t gras_socket_client(const char *host, unsigned short port); +XBT_PUBLIC gras_socket_t gras_socket_client_from_string(const char *host); /** \brief Simply create a server socket (to ear from remote hosts speaking to you) */ -gras_socket_t gras_socket_server(unsigned short port); -/** \brief Close socket */ -void gras_socket_close(gras_socket_t sd); +XBT_PUBLIC gras_socket_t gras_socket_server(unsigned short port); +XBT_PUBLIC void gras_socket_close(gras_socket_t sd); /** \brief Create a client socket, full interface to all relevant settings */ -gras_socket_t gras_socket_client_ext(const char *host, +XBT_PUBLIC gras_socket_t gras_socket_client_ext(const char *host, unsigned short port, unsigned long int bufSize, int measurement); /** \brief Create a server socket, full interface to all relevant settings */ -gras_socket_t gras_socket_server_ext(unsigned short port, +XBT_PUBLIC gras_socket_t gras_socket_server_ext(unsigned short port, unsigned long int bufSize, int measurement); +XBT_PUBLIC gras_socket_t +gras_socket_server_range(unsigned short minport, unsigned short maxport, + unsigned long int buf_size, int measurement); + /* @}*/ -/** \name Retrieving data about sockets and peers +/** \defgroup GRAS_sock_info Retrieving data about sockets and peers * \ingroup GRAS_sock * * Who are you talking to? @@ -49,14 +64,16 @@ gras_socket_t gras_socket_server_ext(unsigned short port, /* @{*/ /** Get the port number on which this socket is connected on my side */ -int gras_socket_my_port (gras_socket_t sock); +XBT_PUBLIC int gras_socket_my_port (gras_socket_t sock); /** Get the port number on which this socket is connected on remote side */ -int gras_socket_peer_port(gras_socket_t sock); +XBT_PUBLIC int gras_socket_peer_port(gras_socket_t sock); /** Get the host name of the remote side */ -char *gras_socket_peer_name(gras_socket_t sock); +XBT_PUBLIC char *gras_socket_peer_name(gras_socket_t sock); +/** Get the process name of the remote side */ +XBT_PUBLIC char *gras_socket_peer_proc(gras_socket_t sock); /* @}*/ -/** \name Using measurement sockets +/** \defgroup GRAS_sock_meas Using measurement sockets * \ingroup GRAS_sock * * You may want to use sockets not to exchange valuable data (in messages), @@ -69,22 +86,23 @@ char *gras_socket_peer_name(gras_socket_t sock); -int gras_socket_is_meas(gras_socket_t sock); -void gras_socket_meas_send(gras_socket_t peer, - unsigned int timeout, - unsigned long int expSize, - unsigned long int msgSize); -void gras_socket_meas_recv(gras_socket_t peer, - unsigned int timeout, - unsigned long int expSize, - unsigned long int msgSize); -gras_socket_t gras_socket_meas_accept(gras_socket_t peer); +XBT_PUBLIC int gras_socket_is_meas(gras_socket_t sock); +XBT_PUBLIC void gras_socket_meas_send(gras_socket_t peer, + unsigned int timeout, + unsigned long int msgSize, + unsigned long int msgAmount); +XBT_PUBLIC void gras_socket_meas_recv(gras_socket_t peer, + unsigned int timeout, + unsigned long int msgSize, + unsigned long int msgAmount); +XBT_PUBLIC gras_socket_t gras_socket_meas_accept(gras_socket_t peer); /* @}*/ -/** \name Using files as sockets +/** \defgroup GRAS_sock_file Using files as sockets * \ingroup GRAS_sock * + * * For debugging purpose, it is possible to deal with files as if they were sockets. * It can even be useful to store stuff in a portable manner, but writing messages to a file * may be strange... @@ -93,8 +111,8 @@ gras_socket_t gras_socket_meas_accept(gras_socket_t peer); */ /* @{*/ /* debuging functions */ -gras_socket_t gras_socket_client_from_file(const char*path); -gras_socket_t gras_socket_server_from_file(const char*path); +XBT_PUBLIC gras_socket_t gras_socket_client_from_file(const char*path); +XBT_PUBLIC gras_socket_t gras_socket_server_from_file(const char*path); /* @} */