// -------------------------------------------------------------------------------------------------
static int HandleImport
(
void
)
// -------------------------------------------------------------------------------------------------
{
le_cfg_IteratorRef_t iterRef = le_cfg_CreateWriteTxn(NodePath);
le_result_t result;
// Check requested format format.
if (UseJson)
{
result = HandleImportJSON(iterRef, FilePath);
}
else
{
result = le_cfgAdmin_ImportTree(iterRef, FilePath, "");
}
if (result != LE_OK)
{
ReportImportExportFail(result, "Import", NodePath, FilePath);
le_cfg_CancelTxn(iterRef);
return EXIT_FAILURE;
}
le_cfg_CommitTxn(iterRef);
return EXIT_SUCCESS;
}
//--------------------------------------------------------------------------------------------------
LE_SHARED void cfgInstall_Add
(
const char* appName
)
//--------------------------------------------------------------------------------------------------
{
le_result_t result;
char filePath[256] = "/opt/legato/apps/";
result = le_utf8_Append(filePath, appName, sizeof(filePath), NULL);
LE_FATAL_IF(result != LE_OK, "App name '%s' is too long.", appName);
result = le_utf8_Append(filePath, "/root.cfg", sizeof(filePath), NULL);
LE_FATAL_IF(result != LE_OK, "App name '%s' is too long.", appName);
LE_INFO("Importing configuration for application '%s' from '%s'.", appName, filePath);
le_cfg_IteratorRef_t i = le_cfg_CreateWriteTxn("/apps");
result = le_cfgAdmin_ImportTree(i, filePath, appName);
LE_FATAL_IF(result != LE_OK,
"Failed to import configuration from '%s' to 'root:/apps/%s' (%s)",
filePath,
appName,
LE_RESULT_TXT(result));
le_cfg_CommitTxn(i);
}
// -------------------------------------------------------------------------------------------------
static int HandleCopy
(
void
)
// -------------------------------------------------------------------------------------------------
{
// Create a temp file to export the tree to.
char tempFilePath[] = "/tmp/configExport-XXXXXX";
int tempFd;
do
{
tempFd = mkstemp(tempFilePath);
}
while ((tempFd == -1) && (errno == EINTR));
if (tempFd == -1)
{
fprintf(stderr, "Could not create temp file. Reason, %s (%d).", strerror(errno), errno);
return 1;
}
// Unlink the file now so that we can make sure that it will end up being deleted, no matter how
// we exit.
if (unlink(tempFilePath) == -1)
{
printf("Could not unlink temporary file. Reason, %s (%d).", strerror(errno), errno);
}
// Create a transaction and export the data from the config tree.
le_cfg_IteratorRef_t iterRef = le_cfg_CreateWriteTxn(NodePath);
le_result_t result = le_cfgAdmin_ExportTree(iterRef, tempFilePath, "");
if (result != LE_OK)
{
fprintf(stderr,
"An I/O error occurred while updating the config tree. "
"Tree has been left untouched.\n");
goto txnDone;
}
if (DeleteAfterCopy != false)
{
// Since this is a rename, then delete the node at the original location.
le_cfg_DeleteNode(iterRef, "");
}
// Now, move the iterator to the node's new name, then attempt to reload the data.
le_cfg_GoToNode(iterRef, "..");
result = le_cfgAdmin_ImportTree(iterRef, tempFilePath, NodeDestPath);
if (result != LE_OK)
{
switch (result)
{
case LE_FAULT:
fprintf(stderr,
"An I/O error occurred while updating the config tree. "
"Tree has been left untouched.\n");
break;
case LE_FORMAT_ERROR:
fprintf(stderr,
"Import/export corruption detected. Tree has been left untouched.\n");
break;
default:
fprintf(stderr,
"An unexpected error has occurred: %s, (%d).\n",
LE_RESULT_TXT(result),
result);
break;
}
}
txnDone:
// Make sure that the change was successful, and either commit or discard any changes that were
// made.
if (result == LE_OK)
{
le_cfg_CommitTxn(iterRef);
}
else
{
le_cfg_CancelTxn(iterRef);
}
// Was the operation successful?
int exitResult = (result == LE_OK) ? EXIT_SUCCESS : EXIT_FAILURE;
// Finally, clean up our temp file and report our results.
int closeRetVal;
do
{
closeRetVal = close(tempFd);
}
while ((closeRetVal == -1) && (errno == EINTR));
if (closeRetVal == -1)
{
fprintf(stderr, "Could not close temp file. Reason, %s (%d).", strerror(errno), errno);
exitResult = EXIT_FAILURE;
}
return exitResult;
}