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/*
* Copyright (C) ST-Ericsson SA 2010
* Author: Jean-Philippe FASSINO <jean-philippe.fassino@stericsson.com> for ST-Ericsson.
* License terms: GNU General Public License (GPL) version 2.
*/
/*
*
*/
#include <cm/engine/utils/inc/string.h>
#include <cm/engine/component/inc/component_type.h>
#include <cm/engine/component/inc/bind.h>
#include <cm/engine/configuration/inc/configuration.h>
#include <cm/engine/component/inc/introspection.h>
#include <cm/engine/os_adaptation_layer/inc/os_adaptation_layer.h>
#include <cm/engine/repository_mgt/inc/repository_mgt.h>
#include <cm/engine/api/repository_mgt_engine.h>
#include <cm/engine/trace/inc/trace.h>
#undef NHASH
#define NHASH 157 //Use a prime number!
#define MULT 17
static t_rep_component *componentCaches[NHASH];
static unsigned int repcomponentHash(const char *str)
{
unsigned int h = 0;
for(; *str; str++)
h = MULT * h + *str;
return h % NHASH;
}
static void repcomponentAdd(t_rep_component *component)
{
unsigned int h = repcomponentHash(component->name);
if(componentCaches[h] != NULL)
componentCaches[h]->prev = component;
component->next = componentCaches[h];
component->prev = NULL;
componentCaches[h] = component;
}
static void repcomponentRemove(t_rep_component *component)
{
unsigned int h = repcomponentHash(component->name);
if(component->prev != NULL)
component->prev->next = component->next;
if(component->next != NULL)
component->next->prev = component->prev;
if(component == componentCaches[h])
componentCaches[h] = component->next;
}
PUBLIC t_cm_error cm_REP_lookupComponent(const char *name, t_rep_component **component)
{
t_rep_component *tmp;
for(tmp = componentCaches[repcomponentHash(name)]; tmp != NULL; tmp = tmp->next)
{
if(cm_StringCompare(name, tmp->name, MAX_TEMPLATE_NAME_LENGTH) == 0)
{
if(component != NULL)
*component = tmp;
return CM_OK;
}
}
return CM_COMPONENT_NOT_FOUND;
}
t_elfdescription* cm_REP_getComponentFile(t_dup_char templateName, t_elfdescription* elfhandle)
{
if(elfhandle == NULL)
{
t_rep_component *pRepComponent;
for(pRepComponent = componentCaches[repcomponentHash(templateName)]; pRepComponent != NULL; pRepComponent = pRepComponent->next)
{
if(pRepComponent->name == templateName)
return pRepComponent->elfhandle;
}
return NULL;
}
return elfhandle;
}
PUBLIC void cm_REP_Destroy(void)
{
t_rep_component *component, *next;
int i;
for(i = 0; i < NHASH; i++)
{
for (component = componentCaches[i]; component != NULL; component = next)
{
next = component->next;
cm_ELF_CloseFile(FALSE, component->elfhandle);
cm_StringRelease(component->name);
OSAL_Free(component);
}
componentCaches[i] = NULL;
}
}
PUBLIC EXPORT_SHARED t_cm_error CM_ENGINE_GetRequiredComponentFiles(
// IN
t_action_to_do action,
const t_cm_instance_handle client,
const char *requiredItfClientName,
const t_cm_instance_handle server,
const char *providedItfServerName,
// OUT component to be pushed
char fileList[][MAX_INTERFACE_TYPE_NAME_LENGTH],
t_uint32 listSize,
// OUT interface information
char type[MAX_INTERFACE_TYPE_NAME_LENGTH],
t_uint32 *methodNumber)
{
t_cm_error error;
t_component_instance* compClient, *compServer;
int n;
OSAL_LOCK_API();
// No component required
for(n = 0; n < listSize; n++)
fileList[n][0] = 0;
compClient = cm_lookupComponent(client);
compServer = cm_lookupComponent(server);
switch(action)
{
case BIND_FROMUSER:{
t_interface_provide_description itfProvide;
// Check server validity
if((error = cm_checkValidServer(compServer, providedItfServerName,
&itfProvide)) == CM_OK)
{
cm_StringCopy(type, itfProvide.server->Template->provides[itfProvide.provideIndex].interface->type, MAX_INTERFACE_TYPE_NAME_LENGTH);
cm_StringCopy(fileList[0], "_sk.", MAX_INTERFACE_TYPE_NAME_LENGTH);
cm_StringConcatenate(fileList[0], itfProvide.server->Template->provides[itfProvide.provideIndex].interface->type, MAX_INTERFACE_TYPE_NAME_LENGTH);
}
} break;
case BIND_TOUSER: {
/* Get Components names for a BindComponentToCMCore */
t_interface_require_description itfRequire;
t_bool bindable;
// Check client validity
if((error = cm_checkValidClient(compClient, requiredItfClientName,
&itfRequire, &bindable)) == CM_OK)
{
cm_StringCopy(type, itfRequire.client->Template->requires[itfRequire.requireIndex].interface->type, MAX_INTERFACE_TYPE_NAME_LENGTH);
*methodNumber = itfRequire.client->Template->requires[itfRequire.requireIndex].interface->methodNumber;
cm_StringCopy(fileList[0], "_st.", MAX_INTERFACE_TYPE_NAME_LENGTH);
cm_StringConcatenate(fileList[0], itfRequire.client->Template->requires[itfRequire.requireIndex].interface->type, MAX_INTERFACE_TYPE_NAME_LENGTH);
}
}; break;
case BIND_ASYNC: {
/* Get Components names for an asynchronous binding */
t_interface_require_description itfRequire;
t_interface_provide_description itfProvide;
t_bool bindable;
// Check invalid binding
if((error = cm_checkValidBinding(compClient, requiredItfClientName,
compServer, providedItfServerName,
&itfRequire, &itfProvide, &bindable)) == CM_OK)
{
if(compClient->Template->dspId != compServer->Template->dspId)
{
cm_StringCopy(fileList[0], "_sk.", MAX_INTERFACE_TYPE_NAME_LENGTH);
cm_StringConcatenate(fileList[0], itfRequire.client->Template->requires[itfRequire.requireIndex].interface->type, MAX_INTERFACE_TYPE_NAME_LENGTH);
cm_StringCopy(fileList[1], "_st.", MAX_INTERFACE_TYPE_NAME_LENGTH);
cm_StringConcatenate(fileList[1], itfRequire.client->Template->requires[itfRequire.requireIndex].interface->type, MAX_INTERFACE_TYPE_NAME_LENGTH);
}
else
{
cm_StringCopy(fileList[0], "_ev.", MAX_INTERFACE_TYPE_NAME_LENGTH);
cm_StringConcatenate(fileList[0], itfRequire.client->Template->requires[itfRequire.requireIndex].interface->type, MAX_INTERFACE_TYPE_NAME_LENGTH);
}
}
}; break;
case BIND_TRACE: {
/* Get Components names for an asynchronous binding */
t_interface_require_description itfRequire;
t_interface_provide_description itfProvide;
t_bool bindable;
// Check invalid binding
if((error = cm_checkValidBinding(compClient, requiredItfClientName,
compServer, providedItfServerName,
&itfRequire, &itfProvide, &bindable)) == CM_OK)
{
cm_StringCopy(fileList[0], "_tr.", MAX_INTERFACE_TYPE_NAME_LENGTH);
cm_StringConcatenate(fileList[0], itfRequire.client->Template->requires[itfRequire.requireIndex].interface->type, MAX_INTERFACE_TYPE_NAME_LENGTH);
}
}; break;
default:
error = CM_OK;
break;
}
if(error == CM_OK)
{
for(n = 0; n < listSize; n++)
{
t_rep_component *comp;
// If already loaded, don't ask to load it and put the name to NULL
if (fileList[n][0] != 0 &&
cm_REP_lookupComponent(fileList[n], &comp) == CM_OK)
fileList[n][0] = 0;
}
}
OSAL_UNLOCK_API();
return error;
}
PUBLIC EXPORT_SHARED t_cm_error CM_ENGINE_PushComponent(const char *name, const void *data, t_cm_size size)
{
t_rep_component *comp;
t_cm_error error;
OSAL_LOCK_API();
if (cm_REP_lookupComponent(name, &comp) == CM_OK) {
/* Component is already there: silently ignore it */
OSAL_UNLOCK_API();
return CM_OK;
}
comp = OSAL_Alloc(sizeof(*comp));
if (comp == NULL) {
OSAL_UNLOCK_API();
return CM_NO_MORE_MEMORY;
}
comp->name = cm_StringDuplicate(name);
if(comp->name == NULL)
{
OSAL_Free(comp);
OSAL_UNLOCK_API();
return CM_NO_MORE_MEMORY;
}
if((error = cm_ELF_CheckFile(
data,
FALSE,
&comp->elfhandle)) != CM_OK) {
cm_StringRelease(comp->name);
OSAL_Free(comp);
OSAL_UNLOCK_API();
return error;
}
/*
if (OSAL_Copy(comp->data, data, size)) {
OSAL_Free(comp);
OSAL_UNLOCK_API();
return CM_UNKNOWN_MEMORY_HANDLE;
}*/
repcomponentAdd(comp);
OSAL_UNLOCK_API();
return CM_OK;
}
PUBLIC EXPORT_SHARED t_cm_error CM_ENGINE_ReleaseComponent (const char *name)
{
t_rep_component *component;
t_cm_error err;
OSAL_LOCK_API();
err = cm_REP_lookupComponent(name , &component);
if (CM_OK == err)
{
repcomponentRemove(component);
cm_ELF_CloseFile(FALSE, component->elfhandle);
cm_StringRelease(component->name);
OSAL_Free(component);
}
OSAL_UNLOCK_API();
return err;
}
PUBLIC EXPORT_SHARED t_bool CM_ENGINE_IsComponentCacheEmpty(void)
{
int i;
OSAL_LOCK_API();
for(i = 0; i < NHASH; i++) {
if (componentCaches[i] != NULL) {
OSAL_UNLOCK_API();
return FALSE;
}
}
OSAL_UNLOCK_API();
return TRUE;
}
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