X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6511b78ff810ead55a110d42b01a08255a55b56d..778f65057da68465382593cd036b6ee59ada54e9:/src/gras/Transport/transport_interface.h

diff --git a/src/gras/Transport/transport_interface.h b/src/gras/Transport/transport_interface.h
index d24e43aa70..b606cf7a1a 100644
--- a/src/gras/Transport/transport_interface.h
+++ b/src/gras/Transport/transport_interface.h
@@ -4,91 +4,110 @@
 
 /* module's public interface exported within GRAS, but not to end user.     */
 
-/* Authors: Martin Quinson                                                  */
-/* Copyright (C) 2004 Martin Quinson.                                       */
+/* Copyright (c) 2004 Martin Quinson. 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
 
+#include "portable.h" /* sometimes needed for fd_set */
+
+/***
+ *** Options
+ ***/
+extern int gras_opt_trp_nomoredata_on_close;
+
 /***
  *** Main user functions
  ***/
-gras_error_t gras_trp_chunk_send(gras_socket_t *sd,
-				 char *data,
-				 size_t size);
-gras_error_t gras_trp_chunk_recv(gras_socket_t *sd,
-				 char *data,
-				 size_t size);
+/* stable if we know the storage will keep as is until the next trp_flush */
+void gras_trp_send(gras_socket_t sd, char *data, long int size, int stable);
+void gras_trp_recv(gras_socket_t sd, char *data, long int size);
+void gras_trp_flush(gras_socket_t sd);
 
 /* Find which socket needs to be read next */
-gras_error_t 
-gras_trp_select(double timeout,
-		gras_socket_t **dst);
+gras_socket_t gras_trp_select(double timeout);
 
+/* Set the peer process name (used by messaging layer) */
+void gras_socket_peer_proc_set(gras_socket_t sock,char*peer_proc);
 
 /***
- *** Module declaration 
- ***/
-gras_error_t gras_trp_init(void);
-void         gras_trp_exit(void);
-
-/***
- *** Plugin mecanism 
+ *** Plugin mechanism 
  ***/
 
 /* A plugin type */
-typedef struct gras_trp_plugin_ gras_trp_plugin_t;
-
-
-/**
- * e_gras_trp_plugin:
- * 
- * Caracterize each possible transport plugin
- */
-typedef enum e_gras_trp_plugin {
-   e_gras_trp_plugin_undefined = 0,
-     
-     e_gras_trp_plugin_tcp
-} gras_trp_plugin_type_t;
+typedef struct gras_trp_plugin_ s_gras_trp_plugin_t, *gras_trp_plugin_t;
 
 /* A plugin type */
 struct gras_trp_plugin_ {
   char          *name;
  
-  /* dst pointers are created and initialized with default values 
-     before call to socket_client/server*/
-  gras_error_t (*socket_client)(gras_trp_plugin_t *self,
-				const char *host,
-				unsigned short port,
-				/* OUT */ gras_socket_t *dst);
-  gras_error_t (*socket_server)(gras_trp_plugin_t *self,
-				unsigned short port,
-				/* OUT */ gras_socket_t *dst);
+  /* dst pointers are created and initialized with default values
+     before call to socket_client/server. 
+     Retrive the info you need from there. */
+  void (*socket_client)(gras_trp_plugin_t self,
+			gras_socket_t    dst);
+  void (*socket_server)(gras_trp_plugin_t self,
+			gras_socket_t    dst);
    
-  gras_error_t (*socket_accept)(gras_socket_t  *sock,
-				/* OUT */gras_socket_t **dst);
+  gras_socket_t (*socket_accept)(gras_socket_t  from);
    
    
    /* 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);
+  void (*socket_close)(gras_socket_t sd);
     
-  gras_error_t (*chunk_send)(gras_socket_t *sd,
-			     char *data,
-			     size_t size);
-  gras_error_t (*chunk_recv)(gras_socket_t *sd,
-			     char *Data,
-			     size_t size);
-
-  void          *specific;
-  void         (*free_specific)(void *);
+  /* send/recv may be buffered */
+  void (*send)(gras_socket_t sd,
+	       const char *data,
+	       unsigned long int size,
+	       int stable /* storage will survive until flush*/);
+  int (*recv)(gras_socket_t sd,
+	      char *data,
+	      unsigned long int size);
+  /* raw_send/raw_recv is never buffered (use it for measurement stuff) */
+  void (*raw_send)(gras_socket_t sd,
+		   const char *data,
+		   unsigned long int size);
+  int (*raw_recv)(gras_socket_t sd,
+		  char *data,
+		  unsigned long int size);
+
+  /* flush has to make sure that the pending communications are achieved */
+  void (*flush)(gras_socket_t sd);
+
+  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);
 };
 
-gras_error_t
-gras_trp_plugin_get_by_name(const char *name,
-			    gras_trp_plugin_t **dst);
+gras_trp_plugin_t
+gras_trp_plugin_get_by_name(const char *name);
+
+/* 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;
+
+  xbt_dynar_t sockets; /* all sockets known to this process */
+  int myport; /* Port on which I listen myself */
+  fd_set *fdset;
+
+  /* SG only elements. In RL, they are part of the OS ;) */
+  int chan;    /* Formated messages channel */
+  int measChan; /* Unformated echange channel for performance measurement*/
+   
+} s_gras_trp_procdata_t,*gras_trp_procdata_t;
+
+/* Display the content of our socket set (debugging purpose) */
+void gras_trp_socketset_dump(const char *name);
 
 #endif /* GRAS_TRP_INTERFACE_H */