private async Task QueryAndPrintInfoAsync(CommandContext ctx, DatabaseSwatServer server)
{
SwatServerInfo info = await SwatServerInfo.QueryIPAsync(server.IP, server.QueryPort);
if (info is null)
{
await this.InformFailureAsync(ctx, "No reply from server.");
return;
}
DiscordMessage msg = await ctx.RespondAsync(embed : info.ToDiscordEmbed(this.ModuleColor));
await msg.CreateReactionAsync(StaticDiscordEmoji.Information);
await Task.Delay(250);
InteractivityResult <MessageReactionAddEventArgs> rctx = await ctx.Client.GetInteractivity().WaitForEventArgsAsync <MessageReactionAddEventArgs>(e => e.Message == msg && e.Emoji == StaticDiscordEmoji.Information);
if (!rctx.TimedOut)
{
SwatServerInfo completeInfo = await SwatServerInfo.QueryIPAsync(server.IP, server.QueryPort, complete : true);
if (completeInfo is null)
{
await this.InformFailureAsync(ctx, "No reply from server.");
return;
}
await msg.ModifyAsync(embed : completeInfo.ToDiscordEmbed(this.ModuleColor));
}
}
public async Task AddAsync(CommandContext ctx,
[Description("Name.")] string name,
[Description("IP.")] CustomIPFormat ip,
[Description("Query port")] int queryport = 10481)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new InvalidCommandUsageException("Invalid name.");
}
if (queryport <= 0 || queryport > 65535)
{
throw new InvalidCommandUsageException("Port range invalid (must be in range [1, 65535])!");
}
using (DatabaseContext db = this.Database.CreateContext()) {
var newServer = DatabaseSwatServer.FromIP(ip.Content, queryport, name);
if (db.SwatServers.Any(s => s.Name == name || (s.IP == newServer.IP && s.JoinPort == newServer.JoinPort && s.QueryPort == newServer.QueryPort)))
{
throw new CommandFailedException("A server with such name/IP is already listed!");
}
db.SwatServers.Add(newServer);
await db.SaveChangesAsync();
}
await this.InformAsync(ctx, "Server added. You can now query it using the name provided.", important : false);
}
public Task QueryAsync(CommandContext ctx,
[Description("Server IP.")] CustomIPFormat ip,
[Description("Query port")] int queryport = 10481)
{
if (queryport <= 0 || queryport > 65535)
{
throw new InvalidCommandUsageException("Port range invalid (must be in range [1, 65535])!");
}
var server = DatabaseSwatServer.FromIP(ip.Content, queryport);
return(this.QueryAndPrintInfoAsync(ctx, server));
}
public async Task StartCheckAsync(CommandContext ctx,
[Description("IP.")] CustomIPFormat ip,
[Description("Query port")] int queryport = 10481)
{
if (queryport <= 0 || queryport > 65535)
{
throw new InvalidCommandUsageException("Port range invalid (must be in range [1, 65535])!");
}
if (SwatSpaceCheckService.IsListening(ctx.Channel))
{
throw new CommandFailedException("Already checking space in this channel!");
}
var server = DatabaseSwatServer.FromIP(ip.Content, queryport);
SwatSpaceCheckService.AddListener(server, ctx.Channel);
await this.InformAsync(ctx, $"Starting space listening on {server.IP}:{server.JoinPort}... Use command {Formatter.Bold("swat stopcheck")} to stop the check.", important : false);
}
public async Task DeleteAsync(CommandContext ctx,
[Description("Name.")] string name)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new InvalidCommandUsageException("Name missing.");
}
name = name.ToLowerInvariant();
using (DatabaseContext db = this.Database.CreateContext()) {
DatabaseSwatServer server = db.SwatServers.SingleOrDefault(s => s.Name == name);
if (!(server is null))
{
db.SwatServers.Remove(server);
await db.SaveChangesAsync();
}
}
await this.InformAsync(ctx, "Server successfully removed.", important : false);
}
public static void AddListener(DatabaseSwatServer server, DiscordChannel channel)
{
if (_listeners.Count > 10 || _listeners.Any(kvp => kvp.Value.Count > 10))
{
throw new Exception("Maximum amount of simultanous checks reached. Please try again later.");
}
lock (_lock) {
_listeners.AddOrUpdate(
server,
new ConcurrentHashSet <DiscordChannelInfo> {
new DiscordChannelInfo(channel)
},
(k, v) => {
v.Add(new DiscordChannelInfo(channel));
return(v);
}
);
}
Start();
}