X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1bbfe6dff09cff639aaab8fd2898678a5a630c2b..791f832cea6e18633bc614246193551293542bbd:/src/gras/DataDesc/cbps.c diff --git a/src/gras/DataDesc/cbps.c b/src/gras/DataDesc/cbps.c index 1c801fcd27..a9fb374087 100644 --- a/src/gras/DataDesc/cbps.c +++ b/src/gras/DataDesc/cbps.c @@ -2,216 +2,234 @@ /* cbps - persistant states for callbacks */ -/* Authors: Olivier Aumage, Martin Quinson */ -/* Copyright (C) 2003, 2004 da GRAS posse. */ +/* Copyright (c) 2003 Olivier Aumage. */ +/* Copyright (c) 2003, 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. */ -#include "DataDesc/datadesc_private.h" +#include "gras/DataDesc/datadesc_private.h" +XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ddt_cbps,datadesc,"callback persistant state"); typedef struct { - gras_datadesc_type_t *type; + gras_datadesc_type_t type; void *data; -} gras_dd_cbps_elm_t; +} s_gras_cbps_elm_t, *gras_cbps_elm_t; -struct s_gras_dd_cbps { - gras_dict_t *space; - gras_dynar_t *stack; - gras_dynar_t *globals; -}; +typedef struct s_gras_cbps { + xbt_dynar_t lints; /* simple stack of long integers (easy interface) */ -gras_error_t -gras_dd_cbps_new(gras_dd_cbps_t **dst) { - gras_error_t errcode; - gras_dd_cbps_t *res; + xbt_dict_t space; /* varname x dynar of gras_cbps_elm_t */ + xbt_dynar_t frames; /* of dynar of names defined within this frame + (and to pop when we leave it) */ + xbt_dynar_t globals; +} s_gras_cbps_t; - if (!(res=malloc(sizeof(gras_dd_cbps_t)))) - RAISE_MALLOC; +static void free_string(void *d); - TRY(gras_dict_new(&(res->space))); - /* FIXME:leaking on content of dynars*/ - TRY(gras_dynar_new(&(res->stack), sizeof(gras_dynar_t*), NULL)); - TRY(gras_dynar_new(&(res->globals), sizeof(char*), NULL)); +static void free_string(void *d){ + free(*(void**)d); +} - *dst = res; - return no_error; +gras_cbps_t gras_cbps_new(void) { + gras_cbps_t res; + + res=xbt_new(s_gras_cbps_t,1); + + res->lints = xbt_dynar_new(sizeof(int), NULL); + res->space = xbt_dict_new(); + /* no leak, the content is freed manually on block_end */ + res->frames = xbt_dynar_new(sizeof(xbt_dynar_t), NULL); + res->globals = xbt_dynar_new(sizeof(char*), NULL); + + gras_cbps_block_begin(res); + + return res; } -void -gras_dd_cbps_free(gras_dd_cbps_t **state) { +void gras_cbps_free(gras_cbps_t *state) { + + xbt_dynar_free( &( (*state)->lints ) ); - gras_dict_free ( &( (*state)->space ) ); - gras_dynar_free( (*state)->stack ); - gras_dynar_free( (*state)->globals ); + gras_cbps_block_end(*state); + xbt_dict_free ( &( (*state)->space ) ); + xbt_dynar_free( &( (*state)->frames ) ); + xbt_dynar_free( &( (*state)->globals ) ); free(*state); *state = NULL; } -/** - * gras_dd_cbps_push: +/** \brief Declare a new element in the PS, and give it a value. * - * Declare a new element in the PS, and give it a value. If an element of that + * If an element of that * name already exists, it is masked by the one given here, and will be * seeable again only after a pop to remove the value this push adds. */ -void -gras_dd_cbps_push(gras_dd_cbps_t *ps, - const char *name, - void *data, - gras_datadesc_type_t *ddt) { +xbt_error_t +gras_cbps_v_push(gras_cbps_t ps, + const char *name, + void *data, + gras_datadesc_type_t ddt) { - gras_dynar_t *p_dynar = NULL; - gras_dd_cbps_elm_t *p_var = NULL; - - gras_dict_retrieve(ps->space, name, (void **)&p_dynar); + xbt_dynar_t varstack,frame; + gras_cbps_elm_t var; + xbt_error_t errcode; + char *varname = (char*)strdup(name); + + DEBUG2("push(%s,%p)",name,(void*)data); + errcode = xbt_dict_get(ps->space, name, (void **)&varstack); - if (!p_dynar) { - gras_dynar_new(&p_dynar, sizeof (gras_dd_cbps_elm_t *), NULL); - gras_dict_insert(ps->space, name, (void **)p_dynar, NULL); - /* FIXME: leaking on dynar. Insert in dict with a way to free it */ + if (errcode == mismatch_error) { + DEBUG1("Create a new variable stack for '%s' into the space",name); + varstack = xbt_dynar_new(sizeof (gras_cbps_elm_t *), NULL); + xbt_dict_set(ps->space, varname, (void **)varstack, NULL); + /* leaking, you think? only if you do not close all the openned blocks ;)*/ + } else if (errcode != no_error) { + return errcode; } - p_var = calloc(1, sizeof(gras_dd_cbps_elm_t)); - p_var->type = ddt; - p_var->data = data; + var = xbt_new0(s_gras_cbps_elm_t,1); + var->type = ddt; + var->data = data; - gras_dynar_push(p_dynar, &p_var); + xbt_dynar_push(varstack, &var); - gras_dynar_pop(ps->stack, &p_dynar); - gras_dynar_push(p_dynar, &name); - gras_dynar_push(ps->stack, &p_dynar); + xbt_dynar_pop(ps->frames, &frame); + DEBUG4("Push %s (%p @%p) into frame %p",varname,(void*)varname,(void*)&varname,(void*)frame); + xbt_dynar_push(frame, &varname); + xbt_dynar_push(ps->frames, &frame); + return no_error; } -/** - * gras_dd_cbps_pop: +/** \brief Retrieve an element from the PS, and remove it from the PS. * - * Retrieve an element from the PS, and remove it from the PS. If it's not + * If it's not * present in the current block, it will fail (with abort) and not search * in upper blocks since this denotes a programmation error. */ -void * -gras_dd_cbps_pop (gras_dd_cbps_t *ps, - const char *name, - gras_datadesc_type_t **ddt) { - gras_dynar_t *p_dynar = NULL; - gras_dd_cbps_elm_t *p_elm = NULL; - void *data = NULL; +xbt_error_t +gras_cbps_v_pop (gras_cbps_t ps, + const char *name, + gras_datadesc_type_t *ddt, + void **res) { + xbt_dynar_t varstack,frame; + gras_cbps_elm_t var = NULL; + void *data = NULL; + xbt_error_t errcode; + DEBUG1("pop(%s)",name); /* FIXME: Error handling */ - gras_dict_retrieve(ps->space, name, (void **)&p_dynar); - gras_dynar_pop(p_dynar, &p_elm); - - if (!gras_dynar_length(p_dynar)) { - gras_dict_remove(ps->space, name); - gras_dynar_free_container(p_dynar); + errcode = xbt_dict_get(ps->space, name, (void **)&varstack); + if (errcode == mismatch_error) { + RAISE1(mismatch_error,"Asked to pop the non-existant %s", + name); } + xbt_dynar_pop(varstack, &var); - if (ddt) { - *ddt = p_elm->type; + if (!xbt_dynar_length(varstack)) { + DEBUG1("Last incarnation of %s poped. Kill it",name); + xbt_dict_remove(ps->space, name); + xbt_dynar_free(&varstack); } - data = p_elm->data; + if (ddt) + *ddt = var->type; + data = var->data; - free(p_elm); + free(var); - gras_dynar_pop(ps->stack, &p_dynar); + xbt_dynar_pop(ps->frames, &frame); { - int l = gras_dynar_length(p_dynar); + int l = xbt_dynar_length(frame); while (l--) { char *_name = NULL; - gras_dynar_get(p_dynar, l, &_name); + _name = xbt_dynar_get_as(frame, l, char*); if (!strcmp(name, _name)) { - gras_dynar_remove_at(p_dynar, l, &_name); + xbt_dynar_remove_at(frame, l, &_name); free(_name); break; } } } - gras_dynar_push(ps->stack, &p_dynar); - + xbt_dynar_push(ps->frames, &frame); - return data; + *res = data; + return no_error; } -/** - * gras_dd_cbps_set: - * - * Change the value of an element in the PS. +/** \brief Change the value of an element in the PS. + * * If it's not present in the current block, look in the upper ones. - * If it's not present in any of them, look in the globals - * (FIXME: which no function of this API allows to set). + * If it's not present in any of them, modify in the globals * If not present there neither, the code may segfault (Oli?). * * Once a reference to an element of that name is found somewhere in the PS, * its value is changed. */ void -gras_dd_cbps_set (gras_dd_cbps_t *ps, - const char *name, - void *data, - gras_datadesc_type_t *ddt) { +gras_cbps_v_set (gras_cbps_t ps, + const char *name, + void *data, + gras_datadesc_type_t ddt) { - gras_dynar_t *p_dynar = NULL; - gras_dd_cbps_elm_t *p_elm = NULL; + xbt_dynar_t dynar = NULL; + gras_cbps_elm_t elm = NULL; + xbt_error_t errcode; - gras_dict_retrieve(ps->space, name, (void **)&p_dynar); + DEBUG1("set(%s)",name); + errcode = xbt_dict_get(ps->space, name, (void **)&dynar); - if (!p_dynar) { - gras_dynar_new(&p_dynar, sizeof (gras_dd_cbps_elm_t *), NULL); - gras_dict_insert(ps->space, name, (void **)p_dynar, NULL); + if (errcode == mismatch_error) { + dynar = xbt_dynar_new(sizeof (gras_cbps_elm_t), NULL); + xbt_dict_set(ps->space, name, (void **)dynar, NULL); - p_elm = calloc(1, sizeof(gras_dd_cbps_elm_t)); - gras_dynar_push(ps->globals, &name); + elm = xbt_new0(s_gras_cbps_elm_t,1); + xbt_dynar_push(ps->globals, &name); } else { - gras_dynar_pop(p_dynar, &p_elm); + xbt_dynar_pop(dynar, &elm); } - p_elm->type = ddt; - p_elm->data = data; + elm->type = ddt; + elm->data = data; - gras_dynar_push(p_dynar, &p_elm); + xbt_dynar_push(dynar, &elm); } -/** - * gras_dd_cbps_get: - * - * Get the value of an element in the PS without modifying it. +/** \brief Get the value of an element in the PS without modifying it. + * * (note that you get the content of the data struct and not a copy to it) * If it's not present in the current block, look in the upper ones. * If it's not present in any of them, look in the globals - * (FIXME: which no function of this API allows to set). * If not present there neither, the code may segfault (Oli?). */ void * -gras_dd_cbps_get (gras_dd_cbps_t *ps, - const char *name, - gras_datadesc_type_t **ddt) { +gras_cbps_v_get (gras_cbps_t ps, + const char *name, + /* OUT */gras_datadesc_type_t *ddt) { - gras_dynar_t *p_dynar = NULL; - gras_dd_cbps_elm_t *p_elm = NULL; + xbt_dynar_t dynar = NULL; + gras_cbps_elm_t elm = NULL; + DEBUG1("get(%s)",name); /* FIXME: Error handling */ - gras_dict_retrieve(ps->space, name, (void **)&p_dynar); - gras_dynar_pop(p_dynar, &p_elm); - gras_dynar_push(p_dynar, &p_elm); + xbt_dict_get(ps->space, name, (void **)&dynar); + xbt_dynar_pop(dynar, &elm); + xbt_dynar_push(dynar, &elm); if (ddt) { - *ddt = p_elm->type; + *ddt = elm->type; } - return p_elm->data; + return elm->data; } -/** - * gras_dd_cbps_block_begin: - * - * Begins a new block. +/** \brief Begins a new block. * * Blocks are usefull to remove a whole set of declarations you don't even know * @@ -223,47 +241,98 @@ gras_dd_cbps_get (gras_dd_cbps_t *ps, */ void -gras_dd_cbps_block_begin(gras_dd_cbps_t *ps) { +gras_cbps_block_begin(gras_cbps_t ps) { - gras_dynar_t *p_dynar = NULL; - - gras_dynar_new(&p_dynar, sizeof (char *), NULL); - gras_dynar_push(ps->stack, &p_dynar); + xbt_dynar_t dynar = NULL; + + DEBUG0(">>> Block begin"); + dynar = xbt_dynar_new(sizeof (char *), NULL); + xbt_dynar_push(ps->frames, &dynar); } -/** - * gras_dd_cbps_block_begin: - * - * End the current block, and go back to the upper one. - */ +/** \brief End the current block, and go back to the upper one. */ void -gras_dd_cbps_block_end(gras_dd_cbps_t *ps) { +gras_cbps_block_end(gras_cbps_t ps) { - gras_dynar_t *p_dynar = NULL; - int cursor = 0; - char *name = NULL; - - gras_dynar_pop(ps->stack, &p_dynar); + xbt_dynar_t frame = NULL; + int cursor = 0; + char *name = NULL; + + xbt_assert0(xbt_dynar_length(ps->frames), + "More block_end than block_begin"); + xbt_dynar_pop(ps->frames, &frame); - gras_dynar_foreach(p_dynar, cursor, name) { + xbt_dynar_foreach(frame, cursor, name) { - gras_dynar_t *p_dynar_elm = NULL; - gras_dd_cbps_elm_t *p_elm = NULL; + xbt_dynar_t varstack = NULL; + gras_cbps_elm_t var = NULL; - gras_dict_retrieve(ps->space, name, (void **)&p_dynar_elm); - gras_dynar_pop(p_dynar_elm, &p_elm); + DEBUG2("Get ride of %s (%p)",name,(void*)name); + xbt_dict_get(ps->space, name, (void **)&varstack); + xbt_dynar_pop(varstack, &var); - if (!gras_dynar_length(p_dynar_elm)) { - gras_dict_remove(ps->space, name); - gras_dynar_free_container(p_dynar_elm); + if (!xbt_dynar_length(varstack)) { + xbt_dict_remove(ps->space, name); + xbt_dynar_free_container(&varstack); /*already empty, save a test ;) */ } - free(p_elm); + if (var->data) free(var->data); + free(var); free(name); } - - gras_dynar_free_container(p_dynar); + xbt_dynar_free_container(&frame);/* we just emptied it */ + DEBUG0("<<< Block end"); } +/** \brief Push a new integer value into the cbps. */ +void +gras_cbps_i_push(gras_cbps_t ps, + int val) { + DEBUG1("push %d as a size",val); + xbt_dynar_push_as(ps->lints,int,val); +} +/** \brief Pop the lastly pushed integer value from the cbps. */ +int +gras_cbps_i_pop(gras_cbps_t ps) { + int ret; + xbt_assert0(xbt_dynar_length(ps->lints) > 0, + "gras_cbps_i_pop: no value to pop"); + ret = xbt_dynar_pop_as(ps->lints,int); + DEBUG1("pop %d as a size",ret); + return ret; +} + +/** \brief Generic cb returning the lastly pushed value + * + * Used by \ref gras_datadesc_ref_pop_arr + */ +int gras_datadesc_cb_pop(gras_datadesc_type_t ignored, gras_cbps_t vars, void *data) { + return gras_cbps_i_pop(vars); +} + +/** \brief Cb to push an integer. Must be attached to the field you want to push */ +void gras_datadesc_cb_push_int(gras_datadesc_type_t ignored, gras_cbps_t vars, void *data) { + int *i = (int*)data; + gras_cbps_i_push(vars, (int) *i); +} + +/** \brief Cb to push an unsigned integer. Must be attached to the field you want to push */ +void gras_datadesc_cb_push_uint(gras_datadesc_type_t ignored, gras_cbps_t vars, void *data) { + unsigned int *i = (unsigned int*)data; + gras_cbps_i_push(vars, (int) *i); +} + +/** \brief Cb to push an long integer. Must be attached to the field you want to push + */ +void gras_datadesc_cb_push_lint(gras_datadesc_type_t ignored, gras_cbps_t vars, void *data) { + long int *i = (long int*)data; + gras_cbps_i_push(vars, (int) *i); +} +/** \brief Cb to push an long integer. Must be attached to the field you want to push + */ +void gras_datadesc_cb_push_ulint(gras_datadesc_type_t ignored, gras_cbps_t vars, void *data) { + unsigned long int *i = (unsigned long int*)data; + gras_cbps_i_push(vars, (int) *i); +}