-/* $Id$ */
-
/* 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 */
