public FileSystemWatcher(String dir, int interval, String pyLoc, String scriptLoc, String logLoc)
{
FILE_TRACKER = new NewFileTracker(dir);
SCRIPT_CALLER = new ScriptCaller(pyLoc, scriptLoc);
JsonReader configReader;
try
{
configReader = new JsonReader(".");
}
catch (FileNotFoundException ex)
{
// Rethrow the exception to contain a more useful error message
throw new FileNotFoundException("The FileSystemWatcher config could not be found! Make sure it is in the current directory: " + Directory.GetCurrentDirectory());
}
SMALLKEY_LOC = new String[] {
configReader.GetToken("smallkeyPath")[0].ToString(),
configReader.GetToken("smallkeyPath")[1].ToString()
};
PUB_STATUS_LOC = new String[] {
configReader.GetToken("pubStatus")[0].ToString(),
configReader.GetToken("pubStatus")[1].ToString()
};
HASH_LOC = new String[] {
configReader.GetToken("hashPath")[0].ToString(),
configReader.GetToken("hashPath")[1].ToString()
};
SERVER_NAME = configReader.GetValue("serverName");
PORT = configReader.GetValue("port");
TEMPLATE_PATH = configReader.GetValue("templatePath");
CONN_FILE_PATH = configReader.GetValue("connFilePath");
CHECK_HASH = Boolean.Parse(configReader.GetValue("checkHash"));
LOG_FILE_PATH = logLoc;
FOLDER = configReader.GetValue("folder");
MAKE_DESCRIPTOR_URL = ""; //deprecated
GEOCAT_URL = configReader.GetValue("geocatUrl");
GEOCAT_USERNAME = configReader.GetValue("geocatUsername");
GEOCAT_PASSWORD = configReader.GetValue("geocatPassword");
AGS_USERNAME = configReader.GetValue("agsUsername");
AGS_PASSWORD = configReader.GetValue("agsPassword");
EMAIL_SERVER = configReader.GetValue("smtpservername");
EMAIL_FROMADDRESS = configReader.GetValue("fromaddress");
EMAIL_TOADDRESSES = configReader.GetValue("toaddresses");
METADATA_URL = configReader.GetValue("metaDataUrl");
WEBADAPTOR_NAME = configReader.GetValue("webAdaptorName");
timer.Elapsed += new ElapsedEventHandler(timer_Elapsed);
timer.Interval = interval;
}
private void timer_Elapsed(object sender, ElapsedEventArgs e)
{
timer.Stop();
String currentTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
List<String> newFiles = FILE_TRACKER.getNewFiles();
if (newFiles.Count > 0)
{
foreach (String fileName in newFiles)
{
if (Path.GetExtension(fileName) == ".zip")
{
String unzippedPath;
log("");
log(new String('-', 76));
log(currentTime);
log("Payload Found, Unzipping: " + fileName);
var fullPath = Path.Combine(FILE_TRACKER.Dir, fileName);
try
{
unzippedPath = FileExtractor.extract(fullPath);
}
catch (IOException ex)
{
// Ignore files that are being used (for example, are in the process of getting copied over).
// TODO: Should these be cleaned up afterwards?
if (ex.Message.Contains("being used by another process"))
{
log("This file is being used.");
timer.Start();
return;
}
else
{
log("Error opening zip file.");
log(ex.StackTrace);
MoveToBadPayloads(fullPath);
timer.Start();
return;
}
}
catch (Exception ex)
{
log("Error extracting zip file.");
log(ex.StackTrace);
MoveToBadPayloads(fullPath);
timer.Start();
return;
}
JsonReader jsonReader;
try
{
jsonReader = new JsonReader(unzippedPath);
}
catch (Exception ex)
{
log("Error reading JSON file.");
log(ex.StackTrace);
return;
}
if (CHECK_HASH)
{
try
{
String expected;
try
{
expected = jsonReader.GetValue(HASH_LOC);
}
catch (Exception ex)
{
log("Hash validation aborted due to invalid hash path: " + String.Join(", ", HASH_LOC));
return;
}
bool hashMatches = HASH_CHECKER.HashMatches(unzippedPath, expected);
if (hashMatches)
{
log("Hash matches.");
}
else
{
log("Hash does not match.");
return;
}
}
catch (Exception ex)
{
log("Hash validation aborted due to unexpected error.");
log(ex.StackTrace);
return;
}
}
else
{
log("Hash check skipped.");
}
try
{
String smallkey, pubStatus;
try
{
smallkey = jsonReader.GetValue(SMALLKEY_LOC);
}
catch (Exception ex)
{
log("Script calling aborted due to invalid small key path: " + String.Join(", ", SMALLKEY_LOC));
return;
}
try
{
pubStatus = jsonReader.GetValue(PUB_STATUS_LOC);
//must be initial string, otherwise argument will be ignored and following arguments all messed up when call .py script
if (pubStatus.Length <= 0) pubStatus = "-1";
}
catch (Exception ex)
{
log("Script calling aborted due to invalid publication status path: " + String.Join(", ", PUB_STATUS_LOC));
return;
}
log(String.Format("Executing script with the parameters:{7}Smallkey: {0}{7}Payload Path: {1}{7}Server Name: {2}{7}Port: {3}{7}Template Path: {4}{7}Connection File Path: {5}{7}Publish Status: {6}{7}Folder: {8}{7}MakeDescriptor URL (DEPRECATED): {9}{7}Catalogue URL: {10}{7}Catalogue User: {11}{7}ArcGIS User: {13}{7}Email Server: {15}{7}Email sender: {16}{7}Email receiver(s): {17}{7} Catalogue Metadata URL: {18}{7}Web Adaptor Name: {19}{7}",
smallkey, unzippedPath, SERVER_NAME, PORT, TEMPLATE_PATH, CONN_FILE_PATH, pubStatus, Environment.NewLine, FOLDER, MAKE_DESCRIPTOR_URL, GEOCAT_URL, GEOCAT_USERNAME, GEOCAT_PASSWORD, AGS_USERNAME, AGS_PASSWORD, EMAIL_SERVER, EMAIL_FROMADDRESS, EMAIL_TOADDRESSES, METADATA_URL, WEBADAPTOR_NAME));
log(SCRIPT_CALLER.executeScript(smallkey, unzippedPath, SERVER_NAME, PORT, TEMPLATE_PATH, CONN_FILE_PATH, pubStatus, FOLDER, MAKE_DESCRIPTOR_URL, GEOCAT_URL, GEOCAT_USERNAME, GEOCAT_PASSWORD, AGS_USERNAME, AGS_PASSWORD, EMAIL_SERVER, EMAIL_FROMADDRESS, EMAIL_TOADDRESSES, METADATA_URL, WEBADAPTOR_NAME));
}
catch (Exception ex)
{
log("Script calling aborted due to unexpected error");
log(ex.StackTrace);
return;
}
}
else
{
// Delete folders created 2+ hours ago.
var dirPath = Path.Combine(FILE_TRACKER.Dir, fileName);
if (Directory.Exists(dirPath))
{
var dirInfo = new DirectoryInfo(fileName);
// If created more than 2 hours ago, and
// isn't the folder where published zips are being stored
if (Directory.GetLastWriteTimeUtc(dirPath).AddHours(2) < DateTime.UtcNow &&
dirInfo.Name != PUBLISHED_DIR &&
dirInfo.Name != BAD_PAYLOADS_DIR)
{
Directory.Delete(dirPath, true);
}
}
else
{
log("New File Found, But Not a Zip File: " + fileName);
}
}
}
}
else
{
log(".");
}
timer.Start();
}