X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/197a54d5359fdf8f18a0cc363dad7779c0e8a820..2d4f44983b405f88e6320243ef5781d0d654618c:/TODO

diff --git a/TODO b/TODO
index 10c40b00cd..512068f96f 100644
--- a/TODO
+++ b/TODO
@@ -1,68 +1,78 @@
+- a way to get the network proximity (needed by Pastry, at least)
+
+- pull method of source diffusion in graspe-slave
+
+- Use a xbt_set for gras_procdata_t->libdata instead of a dict
+  so that the search can be linear.
+
 [sorry for the parts in french :]
 
 ###
-### Avant 0.5
+### Very soon
 ###
 
 - tcp->incoming_socks
-  sock specific tcp (buffsize) inutile
+  sock specific tcp (buffsize) useless
 
 ###
-### Avant 1.0
+### Soon
 ###
 
-- renomages     
-  gras_os_time
-  gras_os_sleep
-  gras_os_getload
+- gras_os_getload
 
-- gras_datadesc_import_nws
+- gras_datadesc_import_nws?
 
-- rawsock
-  Verifier que les messages vont pas sur des sock raw
+- meassock
+  Check that messages don't go on meas socks
+  Implement it
 
-- Documentation (en particulier DD et Msg)
+- Implement gras_datadesc_cpy to speedup things in the simulator
+  For now, we mimick closely the RL when on simulator, which is not needed.
+  (this was easier to do).
+  gras_datadesc_cpy needs to provide the size of the corresponding messages, so
+  that we can report it into the simulator.
 
-- gras_datadesc_cpy -> donne la taille prise pour donner un poids aux messages
+- a init/exit mecanism for logging appender
+- more logging appenders
 
-- callback en reception ?? (remettre les pointeurs sur fonction etc)
+- when a send failed because the socket was closed on the other side, 
+  try to reopen it seamlessly. Needs exceptions or another way to
+  differentiate between the several system_error.
+- cache accepted sockets and close the old ones after a while. 
+  Depends on the previous item.
 
-- Virer cat ignored
-  gras_ddt_new_ignored : Pas portable (taille) => virer cat?
-  Necessaire aux pointeurs sur fonction? Renomer 'void'
 
 ###
-### Apres
+### A bit later
 ### 
 
 - Adaptative timeout
-- datadesc_set_cste: Donne la valeur par defaut en reception
-  plus de transfert, ce qui est utile pour les pointeurs sur fct
+- datadesc_set_cste: give the value by default when receiving. 
+  It's not transfered anymore, which is good for functions pointer.
 
 ============================================================================
 
 * while (1) { fork; exec the child, wait in father }
-* message forwarding
 
  - core ok (errors, logs ; dynars, dicts, hooks, pools; config, rrdb)
  - virtualize (linux, solaris, SG) & conditions
  - binary representation: any type, SNWF (Sender Native Wire Format)
- - modules (logs, manage, token ring, bw)
+ - modules (log control, manage, token ring, bw)
  - cleanups, documentation
 
 [autoconf]
-  Check in autoconf that no datatype is bigger than 64, or dynar_map will
-    get into trouble...
+  Check the gcc version on powerpc. We disabled -floop-optimize on powerpc,
+    but versions above 3.4.0 should be ok.
+  The ucontext usability test is too light. It returns success on IRIX, but
+    shouldn't since ucontext are broken for us there.
 
 [portability layer]
-  Dynar of type, such as ref of type
-  Generate convertors in assembler ?
   Mallocators
   
 [Messaging]
   Message forwarding
   Message priority
-  Message declarations in a tree manner
+  Message declarations in a tree manner (such as log channels)
   
 [errors]
   Better split casual errors from programing errors.
@@ -81,7 +91,6 @@
   Allow each process in simulation to have its own setting
 
 [dict]
-  dichotomie in search
   speed up the cursors, for example using the contexts when available
   fix multi levels dicts
 
@@ -172,63 +181,42 @@
       selects sur un pool {leur socket x un pipe fait pour}
       Quand qqch arrive sur le pipe, c'est le signal du suicide.
       
-[Conversions inter-architectures]
+[Inter-arch conversions]
  Convert in the same buffer when size increase
- Exchange structures in one shoot.
+ Exchange (on net) structures in one shoot when possible.
  Port to really exotic platforms (Cray is not IEEE ;)
- Generate the convertion functions in assembly, since we have a plenty of
-   time to waste.
 
 [XML]
- Do what is written in the paper
-
-[Macro parseuse]
- Gerer les typedefs (necessite de l'aide de grassouillet)
- Gerer les pointeurs. 
-   Faut des annotations pour dire si c'est :
-    - un AZT
-    - un tableau dont la longueur est ailleurs dans la struct
-    - une ref
-   Ca peut se faire soit avec des commentaires, soit avec des macros se
-     reecrivant a rien dans la vraie vie, et parsee. Mais le risque est que
-     ces macros soient reecrites avant d'etre passee a mon bordel, selon les
-     cpp. 
- Gerer les unions => specifier des annotations, mais j'y crois pas
- Gerer les enum
- Gerer les long long
- Gerer les types struct, union et enum anonymes au milieu d'un autre bloc de
-  donnees.
- Verifier que "char"="signed char" sur toutes les archis
+ Do what is written in the paper (multiplex on incoming HTTP)
+
+[DataDesc and Parsing macro]
+ Handle typedefs (needs love from DataDesc/)
+ Handle unions with annotate
+ Handle enum
+ Handle long long and long double
+ Forbid "char", allow "signed char" and "unsigned char", or user code won't be
+   portable to ARM, at least.
+ Handle struct/union/enum embeeded within another container 
+   (needs modifications in DataDesc, too)
  
- Renomer gs_parse_tok_num en gs_parse_token
  Check short a, b;
  Check short ***
  Check struct { struct { int a } b; }
  
-[Grassouillet]
- Gerer les typedefs pour aliaser un type sur un autre
- Merger gs_type_union_append_field et gs_type_struc_append_field si possible.
- Gerer les enum ?
- gs_type_copy/gs_type_free
- A quoi sert le champ name de gs_type_struct_append_field ?
- Ca plante bizarement si on met une structure n'existant pas dans le
-   message (a l'usage)
- gs_type_dump, nardin, comment voir ce qui se passe sinon ??
+ Factorize code in union/struct field adding
  
-[Autres]
- Faire toutes les modifs aux Utils listees plus haut
- Simplifier l'envoi de dynar et dico
- Mettre les mutex et semaphores dans les dynar directement
- Tenter (politiquement) le passage a GPL, pour voler du code.
+[Other]
+ Allow [homogeneous] dico to be sent
+ Make GRAS thread safe by mutexing what needs to be
  
 
 ************
 * La suite *
 ************
 GRAS double (ou encore "GRAS too" ou "too GRAS"):
- - Priorite des messages
- - Outils de visu pour ce qui se passe dans le simulo
- - Outils de visu/deployement/management pour RL
+ - Message prioritization
+ - Visualisation tool to see what happens in the simulator (Paje ?)
+ - Tool to visualize/deploy and manage in RL
    
 GRAS (très):
  - outils mathematiques pour dire des choses sur la validite du protocole