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#include <sysinfo/sysinfo.h> |
#include <mm/slab.h> |
#include <print.h> |
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sysinfo_item_t *_root=NULL; |
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static sysinfo_item_t* sysinfo_find_item(const char *name,sysinfo_item_t *subtree) |
{ |
if(subtree==NULL) return NULL; |
while(subtree!=NULL) |
{ |
int i; |
char *a,*b; |
a=(char *)name; |
b=subtree->name; |
while((a[i]==b[i])&&(b[i])) i++; |
if((!a[i]) && (!b[i])) return subtree; /*Last name in path matches*/ |
if((a[i]=='.') && (!b[i])) /*Middle name in path matches*/ |
{ |
if(subtree->subinfo_type==SYSINFO_SUBINFO_TABLE) return sysinfo_find_item(a+i+1,subtree->subinfo.table); |
//if(subtree->subinfo_type==SYSINFO_SUBINFO_FUNCTION) return NULL; /* Subinfo managed by subsystem*/ |
return NULL; /*No subinfo*/ |
} |
/* No matches try next*/ |
subtree=subtree->next; |
i=0; |
} |
return NULL; |
} |
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static sysinfo_item_t* sysinfo_create_path(const char *name,sysinfo_item_t **psubtree) |
{ |
sysinfo_item_t *subtree; |
subtree = *psubtree; |
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if(subtree==NULL) |
{ |
sysinfo_item_t *item; |
int i=0,j; |
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item = malloc(sizeof(sysinfo_item_t),0); |
ASSERT(item); |
*psubtree = item; |
item -> next = NULL; |
item -> val_type = SYSINFO_VAL_UNDEFINED; |
item -> subinfo.table = NULL; |
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while(name[i]&&(name[i]!='.')) i++; |
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item -> name = malloc(i,0); |
ASSERT(item -> name); |
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for(j=0;j<i;j++) item->name[j]=name[j]; |
item->name[j]=0; |
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if(name[i]/*=='.'*/) |
{ |
item -> subinfo_type = SYSINFO_SUBINFO_TABLE; |
return sysinfo_create_path(name+i+1,&(item->subinfo.table)); |
} |
item -> subinfo_type = SYSINFO_SUBINFO_NONE; |
return item; |
} |
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while(subtree!=NULL) |
{ |
int i=0,j; |
char *a,*b; |
a=(char *)name; |
b=subtree->name; |
while((a[i]==b[i])&&(b[i])) i++; |
if((!a[i]) && (!b[i])) return subtree; /*Last name in path matches*/ |
if((a[i]=='.') && (!b[i])) /*Middle name in path matches*/ |
{ |
if(subtree->subinfo_type==SYSINFO_SUBINFO_TABLE) return sysinfo_create_path(a+i+1,&(subtree->subinfo.table)); |
if(subtree->subinfo_type==SYSINFO_SUBINFO_NONE) |
{ |
subtree->subinfo_type=SYSINFO_SUBINFO_TABLE; |
return sysinfo_create_path(a+i+1,&(subtree->subinfo.table)); |
} |
//if(subtree->subinfo_type==SYSINFO_SUBINFO_FUNCTION) return NULL; /* Subinfo managed by subsystem*/ |
return NULL; |
} |
/* No matches try next or create new*/ |
if(subtree->next==NULL) |
{ |
sysinfo_item_t *item; |
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item = malloc(sizeof(sysinfo_item_t),0); |
ASSERT(item); |
subtree -> next = item; |
item -> next = NULL; |
item -> val_type = SYSINFO_VAL_UNDEFINED; |
item -> subinfo.table = NULL; |
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i=0; |
while(name[i]&&(name[i]!='.')) i++; |
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item -> name = malloc(i,0); |
ASSERT(item -> name); |
for(j=0;j<i;j++) item->name[j]=name[j]; |
item->name[j]=0; |
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if(name[i]/*=='.'*/) |
{ |
item -> subinfo_type = SYSINFO_SUBINFO_TABLE; |
return sysinfo_create_path(name+i+1,&(item->subinfo.table)); |
} |
item -> subinfo_type = SYSINFO_SUBINFO_NONE; |
return item; |
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} |
else |
{ |
subtree=subtree->next; |
i=0; |
} |
} |
panic("Not reached\n"); |
return NULL; |
} |
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void sysinfo_set_item_val(const char *name,sysinfo_item_t **root,__native val) |
{ |
if(root==NULL) root=&_root; |
sysinfo_item_t *item; |
item = sysinfo_create_path(name,root); /* If already created create only returns pointer |
If ! , create it */ |
if(item!=NULL) /* If in subsystem, unable to create or return so unable to set */ |
{ |
item->val.val=val; |
item -> val_type = SYSINFO_VAL_VAL; |
} |
} |
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void sysinfo_set_item_function(const char *name,sysinfo_item_t **root,sysinfo_val_fn_t fn) |
{ |
if(root==NULL) root=&_root; |
sysinfo_item_t *item; |
item = sysinfo_create_path(name,root); /* If already created create only returns pointer |
If ! , create it */ |
if(item!=NULL) /* If in subsystem, unable to create or return so unable to set */ |
{ |
item->val.fn=fn; |
item -> val_type = SYSINFO_VAL_FUNCTION; |
} |
} |
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void sysinfo_set_item_undefined(const char *name,sysinfo_item_t **root) |
{ |
if(root==NULL) root=&_root; |
sysinfo_item_t *item; |
item = sysinfo_find_item(name,*root); |
if(item!=NULL) item -> val_type = SYSINFO_VAL_UNDEFINED; |
} |
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void sysinfo_dump(sysinfo_item_t **proot,int depth) |
{ |
sysinfo_item_t *root; |
if(proot==NULL) proot=&_root; |
root = *proot; |
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while(root!=NULL) |
{ |
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int i; |
__native val=0; |
char *vtype=NULL; |
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for(i=0;i<depth;i++) printf(" "); |
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switch (root->val_type) |
{ |
case (SYSINFO_VAL_UNDEFINED): |
val=0; |
vtype="UND"; |
break; |
case (SYSINFO_VAL_VAL): |
val=root->val.val; |
vtype="VAL"; |
break; |
case (SYSINFO_VAL_FUNCTION): |
val=((sysinfo_val_fn_t)(root->val.fn))(root); |
vtype="FUN"; |
break; |
} |
printf("%s %s val:%d(%X) sub:%s\n",root->name,vtype,val,val, |
(root->subinfo_type==SYSINFO_SUBINFO_NONE)?"NON":((root->subinfo_type==SYSINFO_SUBINFO_TABLE)?"TAB":"FUN")); |
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if(root -> subinfo_type == SYSINFO_SUBINFO_TABLE) |
sysinfo_dump(&(root->subinfo.table),depth+1); |
root=root->next; |
} |
} |
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sysinfo_rettype_t sysinfo_get_val(const char *name,sysinfo_item_t **root) |
{ |
/*TODO: |
Implement Subsystem subinfo (by function implemented subinfo) |
*/ |
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sysinfo_rettype_t ret={0,false}; |
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if(root==NULL) root=&_root; |
sysinfo_item_t *item; |
item = sysinfo_find_item(name,*root); |
if(item!=NULL) |
{ |
if (item -> val_type == SYSINFO_VAL_UNDEFINED) |
return ret; |
else ret.valid=true; |
if (item -> val_type == SYSINFO_VAL_VAL) |
ret.val=item -> val.val; |
else ret.val=((sysinfo_val_fn_t)(item->val.fn))(item); |
} |
return ret; |
} |