sendnrw/gaseous-server
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat: scaffolding for background tasks complete

Browse Source
This commit is contained in:
Michael Green
2023-03-17 23:08:46 +11:00
parent 55735599f8
commit 5260738a5b
9 changed files with 397 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
gaseous-tools/Database.cs
View File

@@ -64,6 +64,7 @@ namespace gaseous_tools
// check if the database exists first - first run must have permissions to create a database
string sql = "CREATE DATABASE IF NOT EXISTS `" + Config.DatabaseConfiguration.DatabaseName + "`;";
Dictionary<string, object> dbDict = new Dictionary<string, object>();
Logging.Log(Logging.LogType.Information, "Database", "Creating database if it doesn't exist");
ExecuteCMD(sql, dbDict, 30, "server=" + Config.DatabaseConfiguration.HostName + ";port=" + Config.DatabaseConfiguration.Port + ";userid=" + Config.DatabaseConfiguration.UserName + ";password=" + Config.DatabaseConfiguration.Password);
// check if schema version table is in place - if not, create the schema version table
@@ -71,8 +72,9 @@ namespace gaseous_tools
DataTable SchemaVersionPresent = ExecuteCMD(sql, dbDict);
if (SchemaVersionPresent.Rows.Count == 0)
{
// no schema table present - create it
sql = "CREATE TABLE `schema_version` (`schema_version` INT NOT NULL, PRIMARY KEY (`schema_version`)); INSERT INTO `schema_version` (`schema_version`) VALUES (0);";
// no schema table present - create it
Logging.Log(Logging.LogType.Information, "Database", "Schema version table doesn't exist. Creating it.");
sql = "CREATE TABLE `schema_version` (`schema_version` INT NOT NULL, PRIMARY KEY (`schema_version`)); INSERT INTO `schema_version` (`schema_version`) VALUES (0);";
ExecuteCMD(sql, dbDict);
}
@@ -87,7 +89,7 @@ namespace gaseous_tools
using (Stream stream = assembly.GetManifestResourceStream(resourceName))
using (StreamReader reader = new StreamReader(stream))
{
dbScript = reader.ReadToEnd();
dbScript = reader.ReadToEnd();
// apply script
sql = "SELECT schema_version FROM schema_version;";
@@ -95,16 +97,19 @@ namespace gaseous_tools
DataTable SchemaVersion = ExecuteCMD(sql, dbDict);
if (SchemaVersion.Rows.Count == 0)
{
// something is broken here... where's the table?
throw new Exception("schema_version table is missing!");
// something is broken here... where's the table?
Logging.Log(Logging.LogType.Critical, "Database", "Schema table missing! This shouldn't happen!");
throw new Exception("schema_version table is missing!");
}
else
{
int SchemaVer = (int)SchemaVersion.Rows[0][0];
if (SchemaVer < i)
Logging.Log(Logging.LogType.Information, "Database", "Schema version is " + SchemaVer);
if (SchemaVer < i)
{
// apply schema!
ExecuteCMD(dbScript, dbDict);
// apply schema!
Logging.Log(Logging.LogType.Information, "Database", "Schema update available - applying");
ExecuteCMD(dbScript, dbDict);
sql = "UPDATE schema_version SET schema_version=@schemaver";
dbDict = new Dictionary<string, object>();
@@ -115,7 +120,8 @@ namespace gaseous_tools
}
}
}
break;
Logging.Log(Logging.LogType.Information, "Database", "Database setup complete");
break;
}
}
@@ -161,6 +167,7 @@ namespace gaseous_tools
{
DataTable RetTable = new DataTable();
Logging.Log(Logging.LogType.Debug, "Database", "Connecting to database");
MySqlConnection conn = new MySqlConnection(DBConn);
conn.Open();
@@ -178,12 +185,20 @@ namespace gaseous_tools
try
{
RetTable.Load(cmd.ExecuteReader());
Logging.Log(Logging.LogType.Debug, "Database", "Executing sql: '" + SQL + "'");
if (Parameters.Count > 0)
{
string dictValues = string.Join(";", Parameters.Select(x => string.Join("=", x.Key, x.Value)));
Logging.Log(Logging.LogType.Debug, "Database", "Parameters: " + dictValues);
}
RetTable.Load(cmd.ExecuteReader());
} catch (Exception ex) {
Logging.Log(Logging.LogType.Critical, "Database", "Error while executing '" + SQL + "'", ex);
Trace.WriteLine("Error executing " + SQL);
Trace.WriteLine("Full exception: " + ex.ToString());
}
Logging.Log(Logging.LogType.Debug, "Database", "Closing database connection");
conn.Close();
return RetTable;