X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ff6b959a86792a44710aa6f5168625d3fdc7ad5f..c065f0f21ab43fa2749e992b3e14a68f88f8ffb1:/TODO

diff --git a/TODO b/TODO
index 5406d1df0c..0510f3c535 100644
--- a/TODO
+++ b/TODO
@@ -1,6 +1,10 @@
 ###
 ### Ongoing stuff
 ###
+
+Document the fact that gras processes display the backtrace on sigusr and sigint
+Document host module
+
 /* FIXME: better place? */
 int vasprintf  (char **ptr, const char *fmt, va_list ap);
 char *bprintf(const char*fmt, ...) _XBT_GNUC_PRINTF(1,2);
@@ -9,14 +13,8 @@ Module renamings:
  - rename SWAG to RING?
  - Rename cursor to iterator
 
-log.h still contains @name which break doxygen:
-xbt/log.h:/** \name DEBUG
-xbt/log.h:/** \name VERB
-xbt/log.h:/** \name INFO
-xbt/log.h:/** \name WARN
-xbt/log.h:/** \name ERROR
-xbt/log.h:/** \name CRITICAL
-
+gras_socket_close should be blocking until all the data sent have been
+received by the other side (implemented with an ACK mechanism).
 
 ###
 ### Planned
@@ -41,11 +39,11 @@ xbt/log.h:/** \name CRITICAL
     (errors, logs ; dynars, dicts, hooks, pools; config, rrdb)
 
 [portability layer]
-  * Mallocators and/or memory pool so that we can cleanly kill an actor
+  * maybe a memory pool so that we can cleanly kill an actor
 
 [errors/exception]
-  * Better split casual errors from programing errors.
-    The first ones should be repported to the user, the second should kill
+  * Better split casual errors from programming errors.
+    The first ones should be reported to the user, the second should kill
     the program (or, yet better, only the msg handler)
   * Allows the use of an error handler depending on the current module (ie,
     the same philosophy as log4c using GSL's error functions)
@@ -55,17 +53,10 @@ xbt/log.h:/** \name CRITICAL
     initializations, and more)
   * Allow each actor to have its own setting
   * a init/exit mecanism for logging appender
-  * Several appenders; fix the setting stuff to change the appender
   * more logging appenders (take those from Ralf in l2)
 
-[dict]
-  * speed up the cursors, for example using the contexts when available
-
 [modules]
-  * better formalisation of what modules are (amok deeply needs it)
-    configuration + init() + join() + exit() + leave() + dependencies
-    init and exit are run only once
-    join and leave are run for each process.
+  * Add configuration and dependencies to our module definition
   * allow to load them at runtime
     check in erlang how they upgrade them without downtime
 
@@ -85,29 +76,11 @@ xbt/log.h:/** \name CRITICAL
     examples, too
 
 [transport]  
-  * Spawn threads handling the communication
-    - Data sending cannot be delegated if we want to be kept informed
-      (*easily*) of errors here.
-      - Actor execution flow shouldn't be interrupted
-      - It should be allowed to access (both in read and write access) 
-        any data available (ie, referenced) from the actor without 
-        requesting to check for a condition before.
-        (in other word, no mutex or assimilated)
-      - I know that enforcing those rules prevent the implementation of
-        really cleaver stuff. Keeping the stuff simple for the users is more
-        important to me than allowing them to do cleaver tricks. Black magic
-        should be done *within* gras to reach a good performance level.
-
-    - Data receiving can be delegated (and should)
-      The first step here is a "simple" mailbox mecanism, with a fifo of
-        messages protected by semaphore.
-      The rest is rather straightforward too.
-
   * use poll(2) instead of select(2) when available. (first need to check
     the advantage of doing so ;)
 
     Another idea we spoke about was to simulate this feature with a bunch of
-    threads blocked in a read(1) on each incomming socket. The latency is
+    threads blocked in a read(1) on each incoming socket. The latency is
     reduced by the cost of a syscall, but the more I think about it, the
     less I find the idea adapted to our context.
 
@@ -132,13 +105,6 @@ xbt/log.h:/** \name CRITICAL
     Depends on the previous item; difficult to achieve with firewalls
 
 [datadesc]
-  * Implement gras_datadesc_cpy to speedup things in the simulator
-    (and allow to have several "actors" within the same unix process).
-    For now, we mimick closely the RL even in SG. It was easier to do
-      since the datadesc layer is unchanged, but it is not needed and
-      hinders performance.
-    gras_datadesc_cpy needs to provide the size of the corresponding messages, so
-     that we can report it into the simulator.
   * Add a XML wire protocol alongside to the binary one (for SOAP/HTTP)
   * cbps:
     - Error handling
@@ -153,7 +119,8 @@ xbt/log.h:/** \name CRITICAL
   * Parsing macro
     - Cleanup the code (bison?)
     - Factorize code in union/struct field adding
-    - Handle typedefs (needs love from DataDesc/)
+    - Handle typedefs (gras_datatype_copy can be usefull, but only if
+      main type is already defined)
     - Handle unions with annotate
     - Handle enum
     - Handle long long and long double
@@ -203,10 +170,18 @@ xbt/log.h:/** \name CRITICAL
 ******
 
 [bandwidth]
-  * finish this module (still missing the saturate part)
   * add a version guessing the appropriate datasizes automatically
 [other modules]
-  * provide a way to retrieve the host load as in NWS
   * log control, management, dynamic token ring
   * a way using SSH to ask a remote host to open a socket back on me
  
+
+*
+* SURF
+******
+
+[maxmin]
+  * select portion of the system that changed instead of recomputing
+  * the whole system solution at each action change
+ 
+