// Find Next path in nameSpace
eEsifError EsifConfigFindNext (
EsifDataPtr nameSpace,
EsifDataPtr path,
EsifDataPtr value,
UInt32 *context
)
{
eEsifError rc = ESIF_E_NOT_FOUND;
DataVaultPtr DB = 0;
ASSERT(nameSpace && path && value && context);
DB = DataBank_GetNameSpace(g_DataBankMgr, (StringPtr)(nameSpace->buf_ptr));
if (DB) {
UInt32 item = *context;
if (item >= DB->cache->size) {
return rc;
}
(*context)++;
if (path->buf_len && path->buf_len < DB->cache->elements[item].value.data_len) {
return ESIF_E_NEED_LARGER_BUFFER;
}
EsifData_Set(path, ESIF_DATA_STRING, esif_ccb_strdup(
(char*)DB->cache->elements[item].key.buf_ptr), DB->cache->elements[item].key.data_len, DB->cache->elements[item].key.data_len);
return EsifConfigGet(nameSpace, path, value);
}
return rc;
}
static eEsifError ESIF_CALLCONV ActionConfigGet(
esif_context_t actCtx,
EsifUpPtr upPtr,
const EsifFpcPrimitivePtr primitivePtr,
const EsifFpcActionPtr fpcActionPtr,
const EsifDataPtr requestPtr,
const EsifDataPtr responsePtr
)
{
eEsifError rc = ESIF_OK;
EsifData params[2] = {0};
EsifString replacedStrs[2] = {0};
EsifString replacedStr = NULL;
UInt8 i;
UNREFERENCED_PARAMETER(actCtx);
UNREFERENCED_PARAMETER(requestPtr);
ESIF_ASSERT(NULL != responsePtr);
ESIF_ASSERT(NULL != responsePtr->buf_ptr);
rc = EsifFpcAction_GetParams(fpcActionPtr,
params,
sizeof(params)/sizeof(*params));
if (ESIF_OK != rc) {
goto exit;
}
for (i = 0; i < sizeof(replacedStrs) / sizeof(*replacedStrs); i++) {
replacedStr = EsifUp_CreateTokenReplacedParamString(upPtr, primitivePtr, params[i].buf_ptr);
if (replacedStr != NULL) {
params[i].buf_ptr = replacedStr;
replacedStrs[i] = replacedStr;
}
}
ESIF_ASSERT(NULL != params[0].buf_ptr);
ESIF_ASSERT(ESIF_DATA_STRING == params[0].type);
rc = EsifConfigGet(¶ms[0], ¶ms[1], responsePtr);
exit:
for (i = 0; i < sizeof(replacedStrs) / sizeof(*replacedStrs); i++) {
esif_ccb_free(replacedStrs[i]);
}
return rc;
}
// Send DSP
enum esif_rc esif_send_dsp(
char *filename,
u8 dstId
)
{
enum esif_rc rc = ESIF_OK;
int edpSize = 512;
int cmdSize = 0;
struct esif_ipc *ipcPtr = NULL;
struct esif_ipc_command *commandPtr = NULL;
struct esif_command_send_dsp *dspCommandPtr = NULL;
struct edp_dir edpDir;
size_t bytesRead;
char *edpName = 0;
IOStreamPtr ioPtr = IOStream_Create();
EsifDataPtr nameSpace = 0;
EsifDataPtr key = 0;
EsifDataPtr value = 0;
if (ioPtr == NULL) {
ESIF_TRACE_ERROR("Fail to create IOStream\n");
rc = ESIF_E_NO_MEMORY;
goto exit;
}
//
// If we have a filename provided use the contents of the file as the CPC
// note this is opaque it is up to the receiver to verify that this is in fact
// a CPC.
//
if (NULL == filename) {
ESIF_TRACE_ERROR("Filename is null\n");
rc = ESIF_E_PARAMETER_IS_NULL;
goto exit;
}
// Use name portion of filename for the DataVault key (C:\path\file.edp = file.edp)
edpName = strrchr(filename, *ESIF_PATH_SEP);
edpName = (edpName ? ++edpName : filename);
nameSpace = EsifData_CreateAs(ESIF_DATA_STRING, ESIF_DSP_NAMESPACE, 0, ESIFAUTOLEN);
key = EsifData_CreateAs(ESIF_DATA_STRING, edpName, 0, ESIFAUTOLEN);
value = EsifData_CreateAs(ESIF_DATA_AUTO, NULL, ESIF_DATA_ALLOCATE, 0);
if (nameSpace == NULL || key == NULL || value == NULL) {
rc = ESIF_E_NO_MEMORY;
goto exit;
}
// Look for EDP file on disk first then DataVault (static or file)
if (!esif_ccb_file_exists(filename) && EsifConfigGet(nameSpace, key, value) == ESIF_OK) {
filename = edpName;
IOStream_SetMemory(ioPtr, (BytePtr)value->buf_ptr, value->data_len);
} else {
IOStream_SetFile(ioPtr, filename, (char *)"rb");
}
/* FIND CPC within EDP file */
if (IOStream_Open(ioPtr) != 0) {
ESIF_TRACE_ERROR("File not found (%s)\n", filename);
rc = ESIF_E_IO_OPEN_FAILED;
goto exit;
}
bytesRead = IOStream_Read(ioPtr, &edpDir, sizeof(struct edp_dir));
if (!esif_verify_edp(&edpDir, bytesRead)) {
ESIF_TRACE_ERROR("Invalid EDP Header: Signature=%4.4s Version=%d\n", (char *)&edpDir.signature, edpDir.version);
rc = ESIF_E_NOT_SUPPORTED;
goto exit;
}
edpSize = edpDir.fpc_offset - edpDir.cpc_offset;
IOStream_Seek(ioPtr, edpDir.cpc_offset, SEEK_SET);
if (edpSize > MAX_EDP_SIZE) {
ESIF_TRACE_ERROR("The edp size %d is larger than maximum edp size\n", edpSize);
rc = -ESIF_E_UNSPECIFIED;
goto exit;
}
cmdSize = edpSize + sizeof(*dspCommandPtr);
ipcPtr = esif_ipc_alloc_command(&commandPtr, cmdSize);
if (NULL == ipcPtr || NULL == commandPtr) {
ESIF_TRACE_ERROR("Fail to allocate esif_ipc/esif_ipc_command\n");
rc = ESIF_E_NO_MEMORY;
goto exit;
}
commandPtr->type = ESIF_COMMAND_TYPE_SEND_DSP;
commandPtr->req_data_type = ESIF_DATA_STRUCTURE;
commandPtr->req_data_offset = 0;
commandPtr->req_data_len = cmdSize;
commandPtr->rsp_data_type = ESIF_DATA_VOID;
commandPtr->rsp_data_offset = 0;
commandPtr->rsp_data_len = 0;
dspCommandPtr = (struct esif_command_send_dsp *)(commandPtr + 1);
dspCommandPtr->id = dstId;
dspCommandPtr->data_len = edpSize;
bytesRead = IOStream_Read(ioPtr, dspCommandPtr + 1, edpSize);
ESIF_TRACE_DEBUG("loaded file %s bytes %d\n", filename, (int)bytesRead);
ESIF_TRACE_INFO("CPC file %s(%d) sent to participant %d\n", filename, edpSize, dstId);
ipc_execute(ipcPtr);
if (ESIF_OK != ipcPtr->return_code) {
ESIF_TRACE_ERROR("ipc error code = %s(%d)\n", esif_rc_str(ipcPtr->return_code), ipcPtr->return_code);
rc = ipcPtr->return_code;
goto exit;
}
rc = commandPtr->return_code;
if ((rc != ESIF_OK) && (rc != ESIF_E_DSP_ALREADY_LOADED)) {
ESIF_TRACE_ERROR("primitive error code = %s(%d)\n", esif_rc_str(commandPtr->return_code), commandPtr->return_code);
goto exit;
}
exit:
if (NULL != ipcPtr) {
esif_ipc_free(ipcPtr);
}
if (NULL != ioPtr) {
IOStream_Close(ioPtr);
IOStream_Destroy(ioPtr);
}
EsifData_Destroy(nameSpace);
EsifData_Destroy(key);
EsifData_Destroy(value);
return rc;
}
/* Add DSP Entry */
static eEsifError esif_dsp_entry_create(struct esif_ccb_file *file_ptr)
{
eEsifError rc = ESIF_E_UNSPECIFIED;
EsifDspPtr dspPtr = NULL;
EsifFpcPtr fpcPtr = NULL;
UInt32 fpcIsStatic = ESIF_FALSE;
UInt8 i = 0;
char path[MAX_PATH]={0};
UInt32 fpcSize = 0;
UInt32 edpSize = 0;
size_t numFpcBytesRead = 0;
struct edp_dir edp_dir;
EsifDataPtr nameSpace = 0;
EsifDataPtr key = 0;
EsifDataPtr value = 0;
IOStreamPtr ioPtr = IOStream_Create();
if ((NULL == file_ptr) || (NULL == ioPtr)) {
ESIF_TRACE_ERROR("The file pointer or IO stream is NULL\n");
goto exit;
}
nameSpace = EsifData_CreateAs(ESIF_DATA_STRING, ESIF_DSP_NAMESPACE, 0, ESIFAUTOLEN);
key = EsifData_CreateAs(ESIF_DATA_STRING, file_ptr->filename, 0, ESIFAUTOLEN);
value = EsifData_CreateAs(ESIF_DATA_AUTO, NULL, ESIF_DATA_ALLOCATE, 0);
if (nameSpace == NULL || key == NULL || value == NULL) {
rc = ESIF_E_NO_MEMORY;
goto exit;
}
ESIF_TRACE_DEBUG("Filename: %s", file_ptr->filename);
dspPtr = esif_dsp_create();
if (NULL == dspPtr) {
ESIF_TRACE_ERROR("Fail to allocate dsp entry\n");
goto exit;
}
// Look for EDP file on disk first then in DataVault (static or file)
esif_build_path(path, sizeof(path), ESIF_PATHTYPE_DSP, file_ptr->filename, NULL);
if (!esif_ccb_file_exists(path) && EsifConfigGet(nameSpace, key, value) == ESIF_OK) {
esif_ccb_strcpy(path, file_ptr->filename, MAX_PATH);
IOStream_SetMemory(ioPtr, StoreReadOnly, (BytePtr)value->buf_ptr, value->data_len);
} else {
IOStream_SetFile(ioPtr, StoreReadOnly, path, "rb");
}
ESIF_TRACE_DEBUG("Fullpath: %s", path);
if (IOStream_Open(ioPtr) != 0) {
ESIF_TRACE_ERROR("File not found (%s)", path);
goto exit;
}
/* Read FPC From EDP File */
if (esif_ccb_strstr(&path[0], ".edp")) {
/* EDP - Only Read The FPC Part */
edpSize = (UInt32)IOStream_GetSize(ioPtr);
if (!edpSize) {
goto exit;
}
numFpcBytesRead = IOStream_Read(ioPtr, &edp_dir, sizeof(edp_dir));
if (!esif_verify_edp(&edp_dir, numFpcBytesRead)) {
ESIF_TRACE_ERROR("Invalid EDP Header: Signature=%4.4s Version=%d\n", (char *)&edp_dir.signature, edp_dir.version);
goto exit;
}
if (edpSize > MAX_EDP_SIZE || edp_dir.fpc_offset > MAX_FPC_SIZE || edp_dir.fpc_offset > edpSize) {
ESIF_TRACE_ERROR("The edp or fpc file size is larger than maximum\n");
goto exit;
}
fpcSize = edpSize - edp_dir.fpc_offset;
IOStream_Seek(ioPtr, edp_dir.fpc_offset, SEEK_SET);
ESIF_TRACE_DEBUG("File found (%s) size %u, FPC size %u from offset %u", path, edpSize, fpcSize, edp_dir.fpc_offset);
} else {
ESIF_TRACE_DEBUG("File %s does not have .fpc and .edp format!", path);
}
// use static DataVault buffer (if available), otherwise allocate space for our FPC file contents (which will not be freed)
if (IOStream_GetType(ioPtr) == StreamMemory && value->buf_len == 0) {
fpcPtr = (EsifFpcPtr)IOStream_GetMemoryBuffer(ioPtr);
if (NULL == fpcPtr) {
ESIF_TRACE_ERROR("NULL buffer");
goto exit;
}
fpcPtr = (EsifFpcPtr) (((BytePtr) fpcPtr) + IOStream_GetOffset(ioPtr));
numFpcBytesRead = fpcSize;
ESIF_TRACE_DEBUG("Static vault size %u buf_ptr=0x%p\n", (int)numFpcBytesRead, fpcPtr);
fpcIsStatic = ESIF_TRUE;
} else {
fpcPtr = (EsifFpcPtr)esif_ccb_malloc(fpcSize);
if (NULL == fpcPtr) {
ESIF_TRACE_ERROR("malloc failed to allocate %u bytes\n", fpcSize);
goto exit;
}
ESIF_TRACE_DEBUG("File malloc size %u", fpcSize);
// read file contents
numFpcBytesRead = IOStream_Read(ioPtr, fpcPtr, fpcSize);
if (numFpcBytesRead < fpcSize) {
ESIF_TRACE_ERROR("Read short received %u of %u bytes\n", (int)numFpcBytesRead, fpcSize);
goto exit;
}
ESIF_TRACE_DEBUG("File read size %u", (int)numFpcBytesRead);
}
ESIF_TRACE_DEBUG("\nDecode Length: %u", fpcPtr->size);
ESIF_TRACE_DEBUG("Code: %s", fpcPtr->header.code);
ESIF_TRACE_DEBUG("Ver Major: %u", fpcPtr->header.ver_major);
ESIF_TRACE_DEBUG("Ver Minor: %u", fpcPtr->header.ver_minor);
ESIF_TRACE_DEBUG("Name: %s", fpcPtr->header.name);
ESIF_TRACE_DEBUG("Description: %s", fpcPtr->header.description);
ESIF_TRACE_DEBUG("Type: %s", fpcPtr->header.type);
ESIF_TRACE_DEBUG("Bus Enumerator: %u", fpcPtr->header.bus_enum);
ESIF_TRACE_DEBUG("ACPI Device: %s", fpcPtr->header.acpi_device);
ESIF_TRACE_DEBUG("ACPI Scope: %s", fpcPtr->header.acpi_scope);
ESIF_TRACE_DEBUG("ACPI Type: %s", fpcPtr->header.acpi_type);
ESIF_TRACE_DEBUG("ACPI UID: %s", fpcPtr->header.acpi_UID);
ESIF_TRACE_DEBUG("PCI Vendor ID: %s", fpcPtr->header.pci_vendor_id);
ESIF_TRACE_DEBUG("PCI Device ID: %s", fpcPtr->header.pci_device_id);
ESIF_TRACE_DEBUG("PCI Bus: %s", fpcPtr->header.pci_bus);
ESIF_TRACE_DEBUG("PCI Device: %s", fpcPtr->header.pci_device);
ESIF_TRACE_DEBUG("PCI Function: %s", fpcPtr->header.pci_function);
dspPtr->code_ptr = (EsifString)fpcPtr->header.name;
dspPtr->bus_enum = (UInt8 *)&fpcPtr->header.bus_enum;
dspPtr->type = (EsifString)fpcPtr->header.type;
dspPtr->ver_major_ptr = (UInt8 *)&fpcPtr->header.ver_major;
dspPtr->ver_minor_ptr = (UInt8 *)&fpcPtr->header.ver_minor;
dspPtr->acpi_device = (EsifString)fpcPtr->header.acpi_device;
dspPtr->acpi_scope = (EsifString)fpcPtr->header.acpi_scope;
dspPtr->acpi_type = (EsifString)fpcPtr->header.acpi_type;
dspPtr->acpi_uid = (EsifString)fpcPtr->header.acpi_UID;
dspPtr->vendor_id = (EsifString)fpcPtr->header.pci_vendor_id;
dspPtr->device_id = (EsifString)fpcPtr->header.pci_device_id;
dspPtr->pci_bus = (EsifString)&fpcPtr->header.pci_bus;
dspPtr->pci_bus_device = (EsifString)&fpcPtr->header.pci_device;
dspPtr->pci_function = (EsifString)&fpcPtr->header.pci_function;
/* Assign Function Pointers */
dspPtr->get_code = get_code;
dspPtr->get_ver_minor = get_ver_minor;
dspPtr->get_ver_major = get_ver_major;
dspPtr->get_temp_tc1 = get_temp_c1;
dspPtr->get_percent_xform = get_percent_xform;
dspPtr->insert_primitive = insert_primitive;
dspPtr->insert_algorithm = insert_algorithm;
dspPtr->insert_domain = insert_domain;
dspPtr->insert_event = insert_event;
dspPtr->get_primitive = get_primitive;
dspPtr->get_action = get_action;
dspPtr->get_algorithm = get_algorithm;
dspPtr->get_domain = get_domain;
dspPtr->get_event_by_type = get_event_by_type;
dspPtr->get_event_by_guid = get_event_by_guid;
dspPtr->init_fpc_iterator = init_fpc_iterator;
dspPtr->get_next_fpc_domain = get_next_fpc_domain;
dspPtr->get_domain_count = get_domain_count;
rc = esif_fpc_load(fpcPtr, dspPtr);
if (ESIF_OK == rc) {
ESIF_TRACE_DEBUG("FPC %s load successfully", path);
} else {
ESIF_TRACE_DEBUG("Unable to load FPC %s, rc %s", path, esif_rc_str(rc));
goto exit;
}
/* Lock DSP Manager */
esif_ccb_write_lock(&g_dm.lock);
/* Simple Table Lookup For Now. Scan Table And Find First Empty Slot */
/* Empty slot indicated by AVAILABLE state */
for (i = 0; i < MAX_DSP_MANAGER_ENTRY; i++) {
if (NULL == g_dm.dme[i].dsp_ptr) {
break;
}
}
/* If No Available Slots Return */
if (i >= MAX_DSP_MANAGER_ENTRY) {
esif_ccb_write_unlock(&g_dm.lock);
ESIF_TRACE_ERROR("No free dsp manager entry is available for %s\n", file_ptr->filename);
goto exit;
}
/*
** Take Slot
*/
g_dm.dme[i].dsp_ptr = dspPtr;
g_dm.dme[i].file_ptr = file_ptr;
g_dm.dme[i].fpc_ptr = (fpcIsStatic ? 0 : fpcPtr);
g_dm.dme_count++;
dspPtr = NULL; // Prevent deallocate on exit
fpcPtr = NULL; // Prevent deallocate on exit
esif_ccb_write_unlock(&g_dm.lock);
rc = ESIF_OK;
ESIF_TRACE_INFO("Create entry in dsp manager successfully for %s\n", file_ptr->filename);
exit:
IOStream_Destroy(ioPtr);
EsifData_Destroy(nameSpace);
EsifData_Destroy(key);
EsifData_Destroy(value);
esif_dsp_destroy(dspPtr);
if (!fpcIsStatic) {
esif_ccb_free(fpcPtr);
}
return rc;
}
/* Copy/Merge Keys from one NameSpace to Another */
eEsifError EsifConfigCopy(
EsifDataPtr nameSpaceFrom, // Source DV
EsifDataPtr nameSpaceTo, // Target DV
EsifDataPtr keyspecs, // Tab-separated Keyspec List (wildcards OK)
esif_flags_t flags, // Item Flags
Bool replaceKeys, // TRUE=COPY Keys (Replace if exists), FALSE=MERGE Keys (Do Not Replace)
UInt32 *keycount) // Optional pointer to variable to hold Key Count copied/merged
{
eEsifError rc = ESIF_OK;
EsifConfigFindContext context = NULL;
EsifDataPtr data_key = NULL;
EsifDataPtr data_value = NULL;
esif_string keylist = NULL;
esif_string keyspec = NULL;
esif_string keyspec_context = NULL;
char **keyset = NULL;
size_t keyset_count = 0;
UInt32 exported = 0;
esif_context_t qsort_ctx = 0;
size_t key = 0;
ESIF_ASSERT(nameSpaceFrom && nameSpaceTo && keyspecs && nameSpaceFrom->buf_ptr && nameSpaceTo->buf_ptr && keyspecs->buf_ptr);
// Parse Key List (optionally Tab-separated)
keylist = esif_ccb_strdup((esif_string)keyspecs->buf_ptr);
if (keylist == NULL) {
rc = ESIF_E_NO_MEMORY;
goto exit;
}
// Create sorted keyset with exclude keyspecs ("!keyspec") listed first
keyspec = esif_ccb_strtok(keylist, "\t", &keyspec_context);
while (keyspec != NULL) {
char **new_keyset = (char **)esif_ccb_realloc(keyset, sizeof(char *) * (keyset_count + 1));
if (new_keyset == NULL) {
rc = ESIF_E_NO_MEMORY;
goto exit;
}
keyset = new_keyset;
keyset[keyset_count++] = keyspec;
keyspec = esif_ccb_strtok(NULL, "\t", &keyspec_context);
}
esif_ccb_qsort(keyset, keyset_count, sizeof(char *), esif_ccb_qsort_stricmp, qsort_ctx);
// Enumerate Each Matching keyspec
for (key = 0; (rc == ESIF_OK && key < keyset_count); key++) {
// Skip excludes for now so we can compare to each maching keyspec later
if (keyset[key][0] == '!') {
continue;
}
EsifData_Destroy(data_key);
data_key = EsifData_CreateAs(ESIF_DATA_STRING, keyset[key], 0, ESIFAUTOLEN);
if (data_key == NULL) {
rc = ESIF_E_NO_MEMORY;
goto exit;
}
if ((rc = EsifConfigFindFirst(nameSpaceFrom, data_key, NULL, &context)) == ESIF_OK) {
do {
// Skip if matching key matches any exclude keyspecs
Bool skip_key = ESIF_FALSE;
size_t ex = 0;
for (ex = 0; (ex < key && keyset[ex][0] == '!'); ex++) {
if (esif_ccb_strmatch((esif_string)data_key->buf_ptr, &keyset[ex][1])) {
skip_key = ESIF_TRUE;
break;
}
}
// copy = always replace existing key in target if it already exists
// merge = never replace existing key in target if it already exists
if ((skip_key == ESIF_FALSE) &&
(replaceKeys == ESIF_TRUE || DataBank_KeyExists(g_DataBankMgr, (esif_string)nameSpaceTo->buf_ptr, (esif_string)data_key->buf_ptr) == ESIF_FALSE)) {
EsifData_Destroy(data_value);
data_value = EsifData_CreateAs(ESIF_DATA_AUTO, NULL, ESIF_DATA_ALLOCATE, 0);
if (data_value == NULL) {
rc = ESIF_E_NO_MEMORY;
break;
}
rc = EsifConfigGet(nameSpaceFrom, data_key, data_value);
if (rc != ESIF_OK) {
break;
}
rc = EsifConfigSet(nameSpaceTo, data_key, flags, data_value);
if (rc != ESIF_OK) {
break;
}
ESIF_TRACE_DEBUG("DV %s: @%s => @%s [%s] {%s, %u bytes}\n",
(replaceKeys ? "Copy" : "Merge"),
(esif_string)nameSpaceFrom->buf_ptr,
(esif_string)nameSpaceTo->buf_ptr,
(esif_string)data_key->buf_ptr,
esif_data_type_str(data_value->type),
data_value->data_len);
exported++;
}
// Reset Key for next search
EsifData_Set(data_key, ESIF_DATA_STRING, keyset[key], 0, ESIFAUTOLEN);
} while ((rc = EsifConfigFindNext(nameSpaceFrom, data_key, NULL, &context)) == ESIF_OK);
EsifConfigFindClose(&context);
}
if (rc == ESIF_E_ITERATION_DONE || rc == ESIF_E_NOT_FOUND) {
rc = ESIF_OK;
}
}
exit:
if (rc == ESIF_OK && keycount != NULL) {
*keycount = exported;
}
EsifData_Destroy(data_key);
EsifData_Destroy(data_value);
esif_ccb_free(keylist);
esif_ccb_free(keyset);
return rc;
}
// Find Next path in nameSpace
eEsifError EsifConfigFindNext(
EsifDataPtr nameSpace,
EsifDataPtr path,
EsifDataPtr value,
EsifConfigFindContextPtr context
)
{
eEsifError rc = ESIF_E_NOT_FOUND;
DataVaultPtr DB = 0;
ESIF_ASSERT(nameSpace && path && context);
DB = DataBank_GetNameSpace(g_DataBankMgr, (StringPtr)(nameSpace->buf_ptr));
if (DB) {
UInt32 item = 0;
esif_ccb_read_lock(&DB->lock);
for (item = 0; item < DB->cache->size; item++) {
if (*context == NULL || esif_ccb_stricmp(DB->cache->elements[item].key.buf_ptr, *context) > 0) {
break;
}
}
// Find next matching key
while (item < DB->cache->size && EsifConfigKeyMatch(path, &DB->cache->elements[item].key) != ESIF_TRUE) {
item++;
}
// Return matching item, if any
if (item < DB->cache->size) {
esif_ccb_free(*context);
*context = esif_ccb_strdup(DB->cache->elements[item].key.buf_ptr);
if (path->buf_len && path->buf_len < DB->cache->elements[item].key.data_len) {
rc = ESIF_E_NEED_LARGER_BUFFER;
}
else {
EsifData_Set(path,
ESIF_DATA_STRING,
esif_ccb_strdup((char*)DB->cache->elements[item].key.buf_ptr),
DB->cache->elements[item].key.data_len,
DB->cache->elements[item].key.data_len);
// If no value buffer for result, just return next matching key
if (NULL == value)
rc = ESIF_OK;
else
rc = EsifConfigGet(nameSpace, path, value);
}
}
else if (*context != NULL) {
rc = ESIF_E_ITERATION_DONE;
}
esif_ccb_read_unlock(&DB->lock);
}
if (rc != ESIF_OK) {
EsifConfigFindClose(context);
}
return rc;
}
