X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2539fff313cbd67c45b8490f7961e45e358d9ba2..f9dd9e3d692f6c43f78500a9fc66fe8663dedbbf:/src/gras/Transport/transport_interface.h diff --git a/src/gras/Transport/transport_interface.h b/src/gras/Transport/transport_interface.h index 5cc5aab74d..abbda60904 100644 --- a/src/gras/Transport/transport_interface.h +++ b/src/gras/Transport/transport_interface.h @@ -1,81 +1,44 @@ -/* $Id$ */ - /* transport - low level communication (send/receive bunches of bytes) */ /* module's public interface exported within GRAS, but not to end user. */ -/* Authors: Martin Quinson */ -/* Copyright (C) 2004 Martin Quinson. */ +/* Copyright (c) 2004, 2005, 2006, 2007, 2009, 2010. The SimGrid Team. + * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it - under the terms of the license (GNU LGPL) which comes with this package. */ + * under the terms of the license (GNU LGPL) which comes with this package. */ #ifndef GRAS_TRP_INTERFACE_H #define GRAS_TRP_INTERFACE_H -/*** - *** Main user functions - ***/ -xbt_error_t gras_trp_chunk_send(gras_socket_t sd, - char *data, - long int size); -xbt_error_t gras_trp_chunk_recv(gras_socket_t sd, - char *data, - long int size); -xbt_error_t gras_trp_flush(gras_socket_t sd); +#include "portable.h" /* sometimes needed for fd_set */ +#include "simix/simix.h" +#include "xbt/queue.h" -/* Find which socket needs to be read next */ -xbt_error_t -gras_trp_select(double timeout, - gras_socket_t *dst); +/* Data of this module specific to each process + * (used by sg_process.c to cleanup the SG channel cruft) + */ +typedef struct { + /* set headers */ + unsigned int ID; + char *name; + unsigned int name_len; + int myport; /* Port on which I listen myself */ -/*** - *** Plugin mecanism - ***/ + xbt_dynar_t sockets; /* all sockets known to this process */ -/* A plugin type */ -typedef struct gras_trp_plugin_ gras_trp_plugin_t; + /* SG only elements. In RL, they are part of the OS ;) */ -/* A plugin type */ -struct gras_trp_plugin_ { - char *name; - - /* dst pointers are created and initialized with default values - before call to socket_client/server. - Retrive the info you need from there. */ - xbt_error_t (*socket_client)(gras_trp_plugin_t *self, - gras_socket_t dst); - xbt_error_t (*socket_server)(gras_trp_plugin_t *self, - gras_socket_t dst); - - xbt_error_t (*socket_accept)(gras_socket_t sock, - gras_socket_t *dst); - - - /* socket_close() is responsible of telling the OS that the socket is over, - but should not free the socket itself (beside the specific part) */ - void (*socket_close)(gras_socket_t sd); - - xbt_error_t (*chunk_send)(gras_socket_t sd, - const char *data, - long int size); - xbt_error_t (*chunk_recv)(gras_socket_t sd, - char *data, - long int size); + /* List of sockets ready to be select()ed */ + xbt_queue_t msg_selectable_sockets; /* regular sockets */ + xbt_queue_t meas_selectable_sockets; /* measurement ones */ - /* flush has to make sure that the pending communications are achieved */ - xbt_error_t (*flush)(gras_socket_t sd); +} s_gras_trp_procdata_t, *gras_trp_procdata_t; - void *data; /* plugin-specific data */ - - /* exit is responsible for freeing data and telling the OS this plugin goes */ - /* exit=NULL, data gets freed. (ie exit function needed only when data contains pointers) */ - void (*exit)(gras_trp_plugin_t *); -}; +/* Display the content of our socket set (debugging purpose) */ +XBT_PUBLIC(void) gras_trp_socketset_dump(const char *name); -xbt_error_t -gras_trp_plugin_get_by_name(const char *name, - gras_trp_plugin_t **dst); +XBT_PUBLIC(xbt_socket_t) gras_trp_select(double timeout); -#endif /* GRAS_TRP_INTERFACE_H */ +#endif /* GRAS_TRP_INTERFACE_H */