v0.25.6

src/admin/openapi.json

@@ -2,7 +2,7 @@
   "openapi": "3.0.3",
   "info": {
     "title": "RustProxy Administration API",
-    "version": "0.25.5",
+    "version": "0.25.6",
     "description": "Administration API for the active panel origin. Sign in through the panel; the same-origin HttpOnly cookie authenticates all private operations. Mutations also require the exact Origin, X-RustProxy-Request: 1 and a session-bound X-CSRF-Token. Loopback HTTP is the default; Settings can enable HTTPS before using a non-loopback administration bind. This document contains no live configuration or credentials. Object schemas marked extensible are summaries: full configuration validation is authoritative in Rust."
   },
   "servers": [
@@ -3153,6 +3153,27 @@
                 "minimum": 1,
                 "maximum": 3600,
                 "default": 30
+              },
+              "pool_recycle_requests": {
+                "type": "integer",
+                "minimum": 0,
+                "maximum": 10000000,
+                "default": 25000,
+                "description": "Maximum requests handled by one backend Hyper client generation before its connection pool is recycled. 0 disables request-count recycling; nonzero values below 1000 are rejected by configuration validation."
+              },
+              "pool_recycle_seconds": {
+                "type": "integer",
+                "minimum": 0,
+                "maximum": 604800,
+                "default": 3600,
+                "description": "Maximum age in seconds of one backend Hyper client generation. 0 disables age-based recycling; nonzero values below 60 are rejected by configuration validation."
+              },
+              "http1_max_buffer_bytes": {
+                "type": "integer",
+                "minimum": 8192,
+                "maximum": 1048576,
+                "default": 131072,
+                "description": "Maximum adaptive read-buffer size per upstream HTTP/1 connection."
               }
             }
           },
@@ -9376,4 +9397,4 @@
       }
     }
   }
-}
+}

src/admin/web/app/settings.js

@@ -6,7 +6,7 @@ function renderSettings() {
     if (!settingsDirty.has("response-form")) {
         const server = config.server_header || {}, compression = config.compression || {}, diagnostics = config.diagnostic_headers || {};
         $("expose-request-id").checked = !!diagnostics.request_id;
-        $("server-mode").value = server.mode || "preserve"; $("server-value").value = server.value || "RustProxy/v0.25.5";
+        $("server-mode").value = server.mode || "preserve"; $("server-value").value = server.value || "RustProxy/v0.25.6";
         for (const name of ["gzip", "br", "zstd", "deflate"]) $(`compress-${name}`).checked = !!compression[name];
         $("compress-min").value = compression.min_bytes ?? 1024; syncServerMode();
     }

src/admin/web/index.html

@@ -541,6 +541,10 @@
                                         <th data-i18n="vhErrors">Errors</th>
                                         <th data-i18n="vhLatency">Latency</th>
                                         <th data-i18n="vhTraffic">Traffic/s</th>
+                                        <th data-i18n="vhClientGeneration">Client gen.</th>
+                                        <th data-i18n="vhGenerationRequests">Gen. requests</th>
+                                        <th data-i18n="vhGenerationAge">Gen. age</th>
+                                        <th data-i18n="vhClientRotations">Rotations</th>
                                         <th data-i18n="vhLastFailure">Last failure</th>
                                         <th data-i18n="vhLastRecovery">Last recovery</th>
                                     </tr>
@@ -1594,7 +1598,7 @@
                                     <option data-i18n="serverCustom" value="custom">Replace / add custom value</option>
                                 </select>
                                 <label data-i18n="serverValue" for="server-value">Custom Server value</label><input
-                                    id="server-value" maxlength="256" placeholder="RustProxy/v0.25.5"
+                                    id="server-value" maxlength="256" placeholder="RustProxy/v0.25.6"
                                     spellcheck="false" />
                                 <h3 class="subheading" data-i18n="diagnosticHeaders">Diagnostic headers</h3>
                                 <div class="switch-grid">
@@ -2382,7 +2386,7 @@
                         </section>
                     </div>
                 </section>
-                <footer class="page-footer"><span>RustProxy <b>0.25.5</b></span><span id="footer-status">API - /
+                <footer class="page-footer"><span>RustProxy <b>0.25.6</b></span><span id="footer-status">API - /
                         dropped: 0</span></footer>
             </div>
         </main>
@@ -3093,7 +3097,7 @@ max_execution_time = 30</code></pre>
         <article class="card about-card">
             <div class="about-product">
                 <span aria-hidden="true" class="brand-mark">r<span>/</span>p</span>
-                <div><span class="small-label">RustProxy</span><strong>0.25.5</strong></div>
+                <div><span class="small-label">RustProxy</span><strong>0.25.6</strong></div>
             </div>
             <dl class="about-meta">
                 <div>

src/admin/web/vhosts/editor.js

@@ -112,6 +112,10 @@
     field(g, "idle-timeout", "vhIdleTimeout", keepalive.idle_timeout_seconds ?? 30, "number", { required: true, min: 1, max: 3600 });
     field(g, "max-idle", "vhMaxIdle", keepalive.max_idle_per_host ?? 4, "number", { required: true, min: 1, max: 64 });
     field(g, "tcp-keepalive", "vhTcpKeepalive", keepalive.tcp_keepalive_seconds ?? 30, "number", { required: true, min: 1, max: 3600 });
+    field(g, "pool-recycle-requests", "vhPoolRecycleRequests", keepalive.pool_recycle_requests ?? 25000, "number", { required: true, min: 0, max: 10000000 });
+    field(g, "pool-recycle-seconds", "vhPoolRecycleSeconds", keepalive.pool_recycle_seconds ?? 3600, "number", { required: true, min: 0, max: 604800 });
+    field(g, "http1-max-buffer", "vhHttp1MaxBuffer", keepalive.http1_max_buffer_bytes ?? 131072, "number", { required: true, min: 8192, max: 1048576 });
+    note(g, "vhPoolRecycleHelp");
     g = group("vhHealth"); const healthMode = field(g, "health-mode", "vhHealthMode", health.mode || "tcp", "select", { values: [["off", "vhOff"], ["tcp", "vhTcp"], ["http", "vhHttp"]] });
     const healthOffWarning = note(g, "vhHealthOffWarning"); const syncHealthWarning = () => { healthOffWarning.hidden = healthMode.value !== "off"; }; healthMode.addEventListener("change", syncHealthWarning); syncHealthWarning();
     field(g, "health-path", "vhHealthPath", health.path || "/", "text", { required: true, maxLength: 1024 });
@@ -317,7 +321,7 @@
       diagnostic_headers: yes("diag-inherit") ? null : { request_id: yes("diag-request_id") },
       tinyauth: { enabled: yes("auth-enabled"), url: str("auth-url"), login_url: str("auth-login"), allow_private: yes("auth-private"), redirect_forbidden: yes("auth-redirect-forbidden"), connect_timeout_seconds: num("auth-connect"), timeout_seconds: num("auth-timeout"), request_headers: lines(str("auth-request-headers")), response_headers: lines(str("auth-response-headers")), address_allowlist: lines(str("auth-allowlist")), tls_ca_pem: nullable("auth-ca") }, backends: members, routes: paths, acl, headers,
       load_balancing: {
-        algorithm: str("algorithm"), slow_start_seconds: num("slow-start"), keepalive: { enabled: yes("keepalive"), idle_timeout_seconds: num("idle-timeout"), max_idle_per_host: num("max-idle"), tcp_keepalive_seconds: num("tcp-keepalive") },
+        algorithm: str("algorithm"), slow_start_seconds: num("slow-start"), keepalive: { enabled: yes("keepalive"), idle_timeout_seconds: num("idle-timeout"), max_idle_per_host: num("max-idle"), tcp_keepalive_seconds: num("tcp-keepalive"), pool_recycle_requests: num("pool-recycle-requests"), pool_recycle_seconds: num("pool-recycle-seconds"), http1_max_buffer_bytes: num("http1-max-buffer") },
         retry: { max_retries: num("retry-max"), retry_connect_errors: yes("retry-connect"), retry_timeouts: yes("retry-timeouts"), retry_statuses: str("retry-statuses").split(/[\s,]+/).filter(Boolean).map(value => Number(value)) },
         health_check: { mode: str("health-mode"), path: str("health-path"), host: nullable("health-host"), interval_ms: num("interval"), timeout_ms: num("timeout"), slow_response_ms: num("slow"), fall: num("fall"), rise: num("rise"), expected_status_min: num("status-min"), expected_status_max: num("status-max") },
         passive_health: {

src/admin/web/vhosts/render.js

@@ -142,9 +142,12 @@
         const lastFailure = Number(member.last_failure_at_ms) > 0 ? `${member.last_failure_class || "-"} · ${new Date(member.last_failure_at_ms).toLocaleTimeString(locale())}` : "-";
         const lastRecovery = Number(member.last_recovered_ms) > 0 ? new Date(member.last_recovered_ms).toLocaleTimeString(locale()) : "-";
         const healthDetail = `${t("vhActiveHealth")}: ${member.last_result || "-"} · ${t("vhPassiveFailures")}: ${member.passive_failures ?? 0} (${member.last_passive_result || "-"})`;
+        const generationAgeRaw = member.upstream_client_generation_age_seconds;
+        const generationAge = Math.max(0, Number(generationAgeRaw));
+        const generationAgeText = generationAgeRaw == null || !Number.isFinite(generationAge) ? "-" : generationAge >= 3600 ? `${Math.floor(generationAge / 3600)}h ${Math.floor((generationAge % 3600) / 60)}m` : generationAge >= 60 ? `${Math.floor(generationAge / 60)}m ${Math.floor(generationAge % 60)}s` : `${Math.floor(generationAge)}s`;
         const row = el("tr"); if (vhostDisabled) row.classList.add("pool-vhost-disabled"); const poolDomain = status.backend_pool_domains?.[pool.id]; const poolLabel = poolDomain ? `${pool.id} (${poolDomain})` : pool.id; const cells = [poolLabel, `${member.id}${member.backup ? " / " + t("vhBackup") : ""}`, label, activeLimit, member.requests, member.errors,
-          member.ewma_latency_ms > 0 ? `${member.ewma_latency_ms.toFixed(1)} ms` : "-", `${rateBytes(memberTraffic)}/s`, lastFailure, lastRecovery];
-        cells.forEach((value, index) => { const cell = el("td", String(value ?? "-")); cell.title = index === 2 ? (vhostDisabled ? t("vhDisabled") : `${label} · ${healthDetail}`) : index === 8 ? (member.last_failure_detail || lastFailure) : String(value ?? "-"); if (index === 2 && !vhostDisabled) cell.className = member.status === "down" ? "status-error" : member.status === "up" ? "status-good" : ""; if (index === 8 && member.last_failure_at_ms) cell.classList.add("backend-last-failure"); row.append(cell); }); rows.push(row);
+          member.ewma_latency_ms > 0 ? `${member.ewma_latency_ms.toFixed(1)} ms` : "-", `${rateBytes(memberTraffic)}/s`, member.upstream_client_generation ?? "-", member.upstream_client_generation_requests ?? "-", generationAgeText, member.upstream_client_rotations_total ?? "-", lastFailure, lastRecovery];
+        cells.forEach((value, index) => { const cell = el("td", String(value ?? "-")); cell.title = index === 2 ? (vhostDisabled ? t("vhDisabled") : `${label} · ${healthDetail}`) : index === 12 ? (member.last_failure_detail || lastFailure) : String(value ?? "-"); if (index === 2 && !vhostDisabled) cell.className = member.status === "down" ? "status-error" : member.status === "up" ? "status-good" : ""; if (index === 12 && member.last_failure_at_ms) cell.classList.add("backend-last-failure"); row.append(cell); }); rows.push(row);
         if (!vhostDisabled && member.status === "up") up++; active += Number(member.active) || 0; requests += Number(member.requests) || 0; errors += Number(member.errors) || 0; traffic += memberTraffic;
         const latency = Number(member.ewma_latency_ms || member.latency_ms) || 0; if (latency > 0) { const weight = Math.max(1, Number(member.requests) || 1); weightedLatency += latency * weight; latencyWeight += weight; }
       }