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/.vs
/ConnectorDbMysql/bin
/ConnectorDbMysql/obj

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# Contributing
When contributing to this repository, please first discuss the change you wish to make via issue,
email, or any other method with the owners of this repository before making a change.
Please note we have a code of conduct, please follow it in all your interactions with the project.
## Pull Request Process
1. Ensure any install or build dependencies are removed before the end of the layer when doing a
build.
2. Update the README.md with details of changes to the interface, this includes new environment
variables, exposed ports, useful file locations and container parameters.
3. Increase the version numbers in any examples files and the README.md to the new version that this
Pull Request would represent. The versioning scheme we use is [SemVer](http://semver.org/).
4. You may merge the Pull Request in once you have the sign-off of two other developers, or if you
do not have permission to do that, you may request the second reviewer to merge it for you.
## Code of Conduct
### Our Pledge
In the interest of fostering an open and welcoming environment, we as
contributors and maintainers pledge to making participation in our project and
our community a harassment-free experience for everyone, regardless of age, body
size, disability, ethnicity, gender identity and expression, level of experience,
nationality, personal appearance, race, religion, or sexual identity and
orientation.
### Our Standards
Examples of behavior that contributes to creating a positive environment
include:
* Using welcoming and inclusive language
* Being respectful of differing viewpoints and experiences
* Gracefully accepting constructive criticism
* Focusing on what is best for the community
* Showing empathy towards other community members
Examples of unacceptable behavior by participants include:
* The use of sexualized language or imagery and unwelcome sexual attention or
advances
* Trolling, insulting/derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others' private information, such as a physical or electronic
address, without explicit permission
* Other conduct which could reasonably be considered inappropriate in a
professional setting
### Our Responsibilities
Project maintainers are responsible for clarifying the standards of acceptable
behavior and are expected to take appropriate and fair corrective action in
response to any instances of unacceptable behavior.
Project maintainers have the right and responsibility to remove, edit, or
reject comments, commits, code, wiki edits, issues, and other contributions
that are not aligned to this Code of Conduct, or to ban temporarily or
permanently any contributor for other behaviors that they deem inappropriate,
threatening, offensive, or harmful.
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when an individual is representing the project or its community. Examples of
representing a project or community include using an official project e-mail
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### Enforcement
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reported by contacting the project team at git ATTTT blubbfish.net. All
complaints will be reviewed and investigated and will result in a response that
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obligated to maintain confidentiality with regard to the reporter of an incident.
Further details of specific enforcement policies may be posted separately.
Project maintainers who do not follow or enforce the Code of Conduct in good
faith may face temporary or permanent repercussions as determined by other
members of the project's leadership.
### Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
available at [http://contributor-covenant.org/version/1/4][version]
[homepage]: http://contributor-covenant.org
[version]: http://contributor-covenant.org/version/1/4/

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# Changelog
## 1.4.0 - 2022-01-09 - Cleanup
### New Features
* On first startup, not try to disconnect first
### Bugfixes
* Fixing nullpointer exception
### Changes
* Cleanup project and fixes version numbers
## 1.3.0 - 2021-01-09 - Default netcore
### New Features
* Create toString, so in logfiles the used Server is visible
* add changelog.md
### Bugfixes
### Changes
* Netcore is now the default projekt
## 1.2.0 - 2019-11-28 - Add netcore
### New Features
* add Licence, readme.md and contribute.md
* add netcore version
### Bugfixes
### Changes
* Using newer C# language version
## 1.1.0 - 2019-05-27 - Rewrite Module to reconnect itselfs, so you dont need to watch over the the state of the connection
### New Features
* Keep the connection alive and reconnect internally
### Bugfixes
### Changes
## 1.0.0.0 - 2019-02-14 - Init
### New Features
* Init release
### Bugfixes
### Changes

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netcoreapp3.1</TargetFramework>
<RootNamespace>BlubbFish.Utils.IoT.Connector.Db</RootNamespace>
<AssemblyName>ConnectorDbMysql</AssemblyName>
<Company>BlubbFish</Company>
<Authors>BlubbFish</Authors>
<Version>1.0.0</Version>
<Copyright>Copyright © BlubbFish 2023 - 07.03.2023</Copyright>
<Description>ADbBackend Connector that connects to mysql using MysqlConnector</Description>
<PackageLicenseFile>LICENSE</PackageLicenseFile>
<PackageProjectUrl>http://git.blubbfish.net/vs_utils/ConnectorDbMysql</PackageProjectUrl>
<RepositoryUrl>http://git.blubbfish.net/vs_utils/ConnectorDbMysql.git</RepositoryUrl>
<RepositoryType>git</RepositoryType>
<PackageReleaseNotes>
1.0.0 Init
</PackageReleaseNotes>
<NeutralLanguage>de-DE</NeutralLanguage>
<PackageId>Mysql.Db.Connector.IoT.Utils.BlubbFish</PackageId>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="..\..\Utils-IoT\Utils-IoT\Utils-IoT.csproj" />
</ItemGroup>
<ItemGroup>
<Content Include="../CHANGELOG.md" />
<Content Include="../CONTRIBUTING.md" />
<Content Include="../LICENSE" />
<Content Include="../README.md" />
</ItemGroup>
<ItemGroup>
<None Include="..\LICENSE">
<Pack>True</Pack>
<PackagePath></PackagePath>
</None>
</ItemGroup>
<ItemGroup>
<PackageReference Include="MySqlConnector" Version="2.2.5" />
</ItemGroup>
</Project>

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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Data;
using System.Data.Common;
using System.Threading;
using MySqlConnector;
namespace BlubbFish.Utils.IoT.Connector.Db {
public class Mysql : ADbBackend, IDisposable {
private MySqlConnection client;
private Thread connectionWatcher;
private Boolean connectionWatcherRunning;
private Boolean firstStart = true;
private readonly Object mysqlConnectionLock = new Object();
public Boolean Debug {
get; private set;
}
public override Boolean IsConnected => this.client != null && this.client.State == ConnectionState.Open;
public Mysql(Dictionary<String, String> settings) : base(settings) {
Console.WriteLine("BlubbFish.Utils.IoT.Connector.Db.Mysql(" + this.ToString() + ")");
if(!(this.settings.ContainsKey("save") && Boolean.TryParse(this.settings["save"], out Boolean savetodatavase))) {
savetodatavase = true;
}
this.Debug = !savetodatavase;
this.client = new MySqlConnection("Server=" + this.settings["server"] + ";User ID=" + this.settings["user"] + ";Password=" + this.settings["pass"] + ";Database=" + this.settings["db"]);
this.ConnectionWatcher();
}
public override String ToString() {
String ret = "mysql://";
if(this.settings.ContainsKey("user")) {
ret += this.settings["user"];
if(this.settings.ContainsKey("pass")) {
ret += ":[xxx]";
}
ret += "@";
}
ret += this.settings["server"];
if(this.settings.ContainsKey("db")) {
ret += "/" + this.settings["db"];
}
return ret;
}
#region ConectionManage
private void ConnectionWatcher() {
this.connectionWatcher = new Thread(this.ConnectionWatcherRunner);
this.connectionWatcherRunning = true;
this.connectionWatcher.Start();
}
private void ConnectionWatcherRunner() {
while(this.connectionWatcherRunning) {
try {
if(!this.IsConnected && this.client.State != ConnectionState.Connecting) {
this.Reconnect();
Thread.Sleep(1000);
}
Thread.Sleep(10);
} catch(Exception) { }
}
}
private void Reconnect() {
if(!this.firstStart) {
if(this.IsConnected || this.client.State == ConnectionState.Connecting) {
this.Disconnect(true);
} else {
this.Disconnect(false);
}
} else {
this.firstStart = false;
}
this.Connect();
}
private void Disconnect(Boolean complete) {
Console.WriteLine("BlubbFish.Utils.IoT.Connector.Db.Mysql.Disconnect(" + this.ToString() + ")");
if(complete) {
this.client.Close();
}
}
private void Connect() {
Console.WriteLine("BlubbFish.Utils.IoT.Connector.Db.Mysql.Connect(" + this.ToString() + ")");
this.client.Open();
}
#endregion
public override T LoadSingleRow<T>(String query, Dictionary<String, Object> param) {
using MySqlCommand command = new MySqlCommand {
CommandText = query,
Connection = this.client
};
foreach(KeyValuePair<String, Object> item in param) {
_ = command.Parameters.AddWithValue(item.Key, item.Value);
}
T ret = new T();
lock(this.mysqlConnectionLock) {
using MySqlDataReader reader = command.ExecuteReader();
if(!reader.HasRows) {
return default;
}
ReadOnlyCollection<DbColumn> cols = reader.GetColumnSchema();
_ = reader.Read();
foreach(DbColumn item in cols) {
Object a = reader.GetValue((Int32)item.ColumnOrdinal);
ret.SetProperty(item.ColumnName, a.ToString());
}
}
return ret;
}
public override List<T> LoadMultiRows<T>(String query, Dictionary<String, Object> param) {
using MySqlCommand command = new MySqlCommand {
CommandText = query,
Connection = this.client
};
foreach(KeyValuePair<String, Object> item in param) {
_ = command.Parameters.AddWithValue(item.Key, item.Value);
}
List<T> ret = new List<T>();
lock(this.mysqlConnectionLock) {
using MySqlDataReader reader = command.ExecuteReader();
if(!reader.HasRows) {
return new List<T>();
}
ReadOnlyCollection<DbColumn> cols = reader.GetColumnSchema();
while(reader.Read()) {
T row = new T();
foreach(DbColumn item in cols) {
Object a = reader.GetValue((Int32)item.ColumnOrdinal);
row.SetProperty(item.ColumnName, a.ToString());
}
ret.Add(row);
}
}
return ret;
}
public override Int32 Insert(String query, Dictionary<String, Object> param) {
using MySqlCommand command = new MySqlCommand {
CommandText = query,
Connection = this.client
};
foreach(KeyValuePair<String, Object> item in param) {
_ = command.Parameters.AddWithValue(item.Key, item.Value);
}
if(this.Debug) {
Helper.WriteError("=> DB DEBUG! Query \"" + query + "\" wurde verworfen.");
return 0;
}
lock(this.mysqlConnectionLock) {
return command.ExecuteNonQuery();
}
}
#region IDisposable Support
public override void Dispose() {
try {
this.connectionWatcherRunning = false;
while(this.connectionWatcher != null && this.connectionWatcher.IsAlive) {
Thread.Sleep(10);
}
this.connectionWatcher = null;
this.Disconnect(true);
this.client = null;
} catch(Exception) { }
}
#endregion
}
}

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GNU LESSER GENERAL PUBLIC LICENSE
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# BlubbFish.Utils.IoT.Connector.Data.Mqtt (ConnectorDataMqtt)
Library that connects to Mqtt using M2Mqtt
Maybe you find this Repo on Github. This is a mirror from [here](https://git.blubbfish.net/vs_utils/ConnectorDataMqtt).
## Linking to
### Internal
* BlubbFish.Utils.IoT ([Utils-IoT](http://git.blubbfish.net/vs_utils/Utils-IoT))
### External
* M2Mqtt ([Used Fork](https://github.com/blubbfish/mqtt), [Original](https://github.com/eclipse/paho.mqtt.m2mqtt))