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Prune idle sessions before starting new ones (#701)

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Stephen Halter 2025-08-18 11:04:27 -07:00 • committed by GitHub
commit b067261ca7
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3 changed files with 472 additions and 281 deletions
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13
samples/ProtectedMcpServer/Tools/HttpClientExt.cs
View file

@ -1,13 +0,0 @@
using System.Text.Json;
namespace ModelContextProtocol;
internal static class HttpClientExt
{
public static async Task<JsonDocument> ReadJsonDocumentAsync(this HttpClient client, string requestUri)
{
using var response = await client.GetAsync(requestUri);
response.EnsureSuccessStatusCode();
return await JsonDocument.ParseAsync(await response.Content.ReadAsStreamAsync());
}
}

19
samples/ProtectedMcpServer/Tools/WeatherTools.cs
View file

@ -21,9 +21,10 @@ public sealed class WeatherTools
[Description("The US state to get alerts for. Use the 2 letter abbreviation for the state (e.g. NY).")] string state)
{
var client = _httpClientFactory.CreateClient("WeatherApi");
using var jsonDocument = await client.ReadJsonDocumentAsync($"/alerts/active/area/{state}");
var jsonElement = jsonDocument.RootElement;
var alerts = jsonElement.GetProperty("features").EnumerateArray();
using var jsonDocument = await client.GetFromJsonAsync<JsonDocument>($"/alerts/active/area/{state}")
?? throw new McpException("No JSON returned from alerts endpoint");
var alerts = jsonDocument.RootElement.GetProperty("features").EnumerateArray();
if (!alerts.Any())
{
@ -50,12 +51,14 @@ public sealed class WeatherTools
{
var client = _httpClientFactory.CreateClient("WeatherApi");
var pointUrl = string.Create(CultureInfo.InvariantCulture, $"/points/{latitude},{longitude}");
using var jsonDocument = await client.ReadJsonDocumentAsync(pointUrl);
var forecastUrl = jsonDocument.RootElement.GetProperty("properties").GetProperty("forecast").GetString()
?? throw new Exception($"No forecast URL provided by {client.BaseAddress}points/{latitude},{longitude}");
using var forecastDocument = await client.ReadJsonDocumentAsync(forecastUrl);
var periods = forecastDocument.RootElement.GetProperty("properties").GetProperty("periods").EnumerateArray();
using var locationDocument = await client.GetFromJsonAsync<JsonDocument>(pointUrl);
var forecastUrl = locationDocument?.RootElement.GetProperty("properties").GetProperty("forecast").GetString()
?? throw new McpException($"No forecast URL provided by {client.BaseAddress}points/{latitude},{longitude}");
using var forecastDocument = await client.GetFromJsonAsync<JsonDocument>(forecastUrl);
var periods = forecastDocument?.RootElement.GetProperty("properties").GetProperty("periods").EnumerateArray()
?? throw new McpException("No JSON returned from forecast endpoint");
return string.Join("\n---\n", periods.Select(period => $"""
{period.GetProperty("name").GetString()}

6
samples/QuickstartWeatherServer/Tools/WeatherTools.cs
View file

@ -43,9 +43,9 @@ public sealed class WeatherTools
[Description("Longitude of the location.")] double longitude)
{
var pointUrl = string.Create(CultureInfo.InvariantCulture, $"/points/{latitude},{longitude}");
using var jsonDocument = await client.ReadJsonDocumentAsync(pointUrl);
var forecastUrl = jsonDocument.RootElement.GetProperty("properties").GetProperty("forecast").GetString()
?? throw new Exception($"No forecast URL provided by {client.BaseAddress}points/{latitude},{longitude}");
using var locationDocument = await client.ReadJsonDocumentAsync(pointUrl);
var forecastUrl = locationDocument.RootElement.GetProperty("properties").GetProperty("forecast").GetString()
?? throw new McpException($"No forecast URL provided by {client.BaseAddress}points/{latitude},{longitude}");
using var forecastDocument = await client.ReadJsonDocumentAsync(forecastUrl);
var periods = forecastDocument.RootElement.GetProperty("properties").GetProperty("periods").EnumerateArray();