/**
* Gets the properties of a MIDlet suite to persistent storage.
* <pre>
* The format of the properties file will be:
* <number of strings as int (2 strings per property)>
* {repeated for each property}
* <length of a property key as int>
* <property key as jchars>
* <length of property value as int>
* <property value as jchars>
* </pre>
*
*
* Note that memory for the strings inside the returned MidpProperties
* structure is allocated by the callee, and the caller is
* responsible for freeing it using midp_free_properties().
*
* @param suiteId ID of the suite
*
* @return properties in a pair pattern of key and value,
* use the status macros to check the result. A SUITE_CORRUPTED_ERROR
* is returned as a status of MidpProperties when suite is corrupted
*/
MidpProperties
midp_get_suite_properties(SuiteIdType suiteId) {
pcsl_string filename;
MidpProperties result = { 0, ALL_OK, NULL };
int len;
char* pszError;
MIDPError status;
/*
* This is a public API which can be called without the VM running
* so we need automatically init anything needed, to make the
* caller's code less complex.
*
* Initialization is performed in steps so that we do use any
* extra resources such as the VM for the operation being performed.
*/
if (midpInit(LIST_LEVEL) != 0) {
result.numberOfProperties = 0;
result.status = OUT_OF_MEMORY;
return result;
}
/*
if (check_for_corrupted_suite(suiteId) == SUITE_CORRUPTED_ERROR) {
result.numberOfProperties = 0;
result.status = SUITE_CORRUPTED_ERROR;
return result;
}
*/
if (get_property_file(suiteId, KNI_TRUE, &filename) != ALL_OK) {
result.numberOfProperties = 0;
result.status = NOT_FOUND;
return result;
}
status = get_string_list(&pszError, &filename, &result.pStringArr, &len);
pcsl_string_free(&filename);
if (status != ALL_OK) {
result.numberOfProperties = 0;
result.status = status;
storageFreeError(pszError);
return result;
}
if (len < 0) {
/* error */
result.numberOfProperties = 0;
result.status = GENERAL_ERROR;
} else {
/* each property is 2 strings (key and value) */
result.numberOfProperties = len / 2;
}
return result;
}
/**
* Check if the suite is corrupted
* @param suiteId ID of a suite
*
* @return ALL_OK if the suite is not corrupted,
* SUITE_CORRUPTED_ERROR is suite is corrupted,
* OUT_OF_MEMORY if out of memory,
* IO_ERROR if I/O error
*/
MIDPError
check_for_corrupted_suite(SuiteIdType suiteId) {
pcsl_string filename[NUM_SUITE_FILES];
int arc[NUM_SUITE_FILES];
int i;
StorageIdType storageId;
MIDPError status = ALL_OK; /* Default to no error */
MidletSuiteData *pData = get_suite_data(suiteId);
if (!pData) {
return SUITE_CORRUPTED_ERROR;
}
/* if this suite was already checked, just return "OK" status */
if (pData->isChecked) {
return status;
}
/* get an id of the storage where the suite is located */
status = midp_suite_get_suite_storage(suiteId, &storageId);
if (status != ALL_OK) {
return status;
}
arc[0] = get_suite_filename(suiteId, &INSTALL_INFO_FILENAME, &filename[0]);
arc[1] = get_suite_filename(suiteId, &SETTINGS_FILENAME, &filename[1]);
arc[2] = midp_suite_get_class_path(suiteId, storageId,
KNI_FALSE, &filename[2]);
arc[3] = get_property_file(suiteId, KNI_FALSE, &filename[3]);
for (i = 0; i < NUM_SUITE_FILES; i++) {
if (arc[i] != ALL_OK) {
status = (MIDPError)arc[i];
break;
}
if (!storage_file_exists(&filename[i])) {
/* File does not exist; suite must be corrupted */
status = SUITE_CORRUPTED_ERROR;
break;
}
}
if (status == ALL_OK) {
/* if the suite is not currupted, mark it as "checked" */
pData->isChecked = 1;
}
pcsl_string_free(&filename[0]);
pcsl_string_free(&filename[1]);
pcsl_string_free(&filename[2]);
pcsl_string_free(&filename[3]);
return status;
}
/**
* Loads the properties of a MIDlet suite from persistent storage.
*
* @param suiteId ID of the suite
* @param pJadProps [out] pointer to a structure containing an array of strings,
* in a pair pattern of key and value; NULL may be passed if it is not required
* to read JAD properties
* @param pJarProps [out] pointer to a structure containing an array of strings,
* in a pair pattern of key and value; NULL may be passed if it is not required
* to read JAR properties
*
* @return error code (ALL_OK for success)
*/
MIDPError
load_install_properties(SuiteIdType suiteId, MidpProperties* pJadProps,
MidpProperties* pJarProps) {
pcsl_string filename;
char* pszError = NULL;
int handle, i, n;
int numberOfProps;
MIDPError status;
status = get_property_file(suiteId, KNI_TRUE, &filename);
if (status != ALL_OK) {
return status;
}
handle = storage_open(&pszError, &filename, OPEN_READ);
pcsl_string_free(&filename);
if (pszError != NULL) {
storageFreeError(pszError);
return IO_ERROR;
}
status = ALL_OK;
/* Read JAD, then JAR properties. */
for (n = 0; n < 2; n++) {
MidpProperties *pProps = n ? pJarProps : pJadProps;
if (!pProps) {
continue;
}
storageRead(&pszError, handle, (char*)&numberOfProps,
sizeof (numberOfProps));
if (pszError != NULL) {
break;
}
pProps->pStringArr = alloc_pcsl_string_list(numberOfProps << 1);
for (i = 0; i < numberOfProps << 1; i++) {
storage_read_utf16_string(&pszError, handle,
&pProps->pStringArr[i]);
if (pszError != NULL) {
break;
}
}
if (pszError != NULL) {
break;
}
pProps->numberOfProperties = numberOfProps;
}
if (pszError != NULL) {
status = IO_ERROR;
storageFreeError(pszError);
}
storageClose(&pszError, handle);
storageFreeError(pszError);
if (status != ALL_OK) {
if (pJadProps) {
free_pcsl_string_list(pJadProps->pStringArr,
pJadProps->numberOfProperties << 1);
}
if (pJarProps) {
free_pcsl_string_list(pJarProps->pStringArr,
pJarProps->numberOfProperties << 1);
}
}
return status;
}
/**
* Gets the amount of storage on the device that this suite is using.
* This includes the JAD, JAR, management data, and RMS.
*
* @param suiteId ID of the suite
*
* @return number of bytes of storage the suite is using or less than
* OUT_OF_MEM_LEN if out of memory
*/
long
midp_get_suite_storage_size(SuiteIdType suiteId) {
long used = 0;
long rms = 0;
pcsl_string filename[NUM_SUITE_FILES];
int i;
char* pszError;
StorageIdType storageId;
MIDPError status;
MidletSuiteData* pData;
pcsl_string filenameBase;
// get the filename base from the suite id
status = build_suite_filename(suiteId, &PCSL_STRING_EMPTY,
&filenameBase);
if (status != ALL_OK) {
return status;
}
pData = get_suite_data(suiteId);
if (pData) {
used = (jint)pData->suiteSize;
}
if (used <= 0) {
/* Suite size is not cached (should not happen!), calculate it. */
for (i = 0; i < NUM_SUITE_FILES; i++) {
filename[i] = PCSL_STRING_NULL;
}
/*
* This is a public API which can be called without the VM running
* so we need automatically init anything needed, to make the
* caller's code less complex.
*
* Initialization is performed in steps so that we do use any
* extra resources such as the VM for the operation being performed.
*/
if (midpInit(LIST_LEVEL) != 0) {
return OUT_OF_MEM_LEN;
}
status = midp_suite_get_suite_storage(suiteId, &storageId);
if (status != ALL_OK) {
return OUT_OF_MEM_LEN;
}
status = build_suite_filename(suiteId, &INSTALL_INFO_FILENAME, &filename[0]);
if (status != ALL_OK) {
return status;
}
status = build_suite_filename(suiteId, &SETTINGS_FILENAME, &filename[1]);
if (status != ALL_OK) {
return status;
}
midp_suite_get_class_path(suiteId, storageId, KNI_TRUE, &filename[2]);
get_property_file(suiteId, KNI_TRUE, &filename[3]);
for (i = 0; i < NUM_SUITE_FILES; i++) {
long tmp;
if (pcsl_string_is_null(&filename[i])) {
continue;
}
tmp = storage_size_of_file_by_name(&pszError, &filename[i]);
pcsl_string_free(&filename[i]);
if (pszError != NULL) {
storageFreeError(pszError);
continue;
}
used += tmp;
}
if (pData) {
/* cache the calculated size */
pData->suiteSize = (jint)used;
status = write_suites_data(&pszError);
if (status != ALL_OK) {
storageFreeError(pszError);
return OUT_OF_MEM_LEN;
}
}
}
rms = rmsdb_get_rms_storage_size(&filenameBase, suiteId);
if (rms == OUT_OF_MEM_LEN) {
return OUT_OF_MEM_LEN;
}
return used + rms;
}
