HTTP keep-alive connections support.

src/nxt_http_response.c

@@ -0,0 +1,83 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_router.h>
+#include <nxt_http.h>
+
+
+static nxt_int_t nxt_http_response_status(void *ctx, nxt_http_field_t *field,
+    uintptr_t data);
+static nxt_int_t nxt_http_response_skip(void *ctx, nxt_http_field_t *field,
+    uintptr_t data);
+static nxt_int_t nxt_http_response_field(void *ctx, nxt_http_field_t *field,
+    uintptr_t offset);
+
+
+nxt_lvlhsh_t  nxt_response_fields_hash;
+
+static nxt_http_field_proc_t   nxt_response_fields[] = {
+    { nxt_string("Status"),         &nxt_http_response_status, 0 },
+    { nxt_string("Server"),         &nxt_http_response_skip, 0 },
+    { nxt_string("Connection"),     &nxt_http_response_skip, 0 },
+    { nxt_string("Content-Type"),   &nxt_http_response_field,
+        offsetof(nxt_http_request_t, resp.content_type) },
+    { nxt_string("Content-Length"), &nxt_http_response_field,
+        offsetof(nxt_http_request_t, resp.content_length) },
+};
+
+
+nxt_int_t
+nxt_http_response_hash_init(nxt_task_t *task, nxt_runtime_t *rt)
+{
+    return nxt_http_fields_hash(&nxt_response_fields_hash, rt->mem_pool,
+                    nxt_response_fields, nxt_nitems(nxt_response_fields));
+}
+
+
+nxt_int_t
+nxt_http_response_status(void *ctx, nxt_http_field_t *field,
+    uintptr_t data)
+{
+    nxt_int_t           status;
+    nxt_http_request_t  *r;
+
+    r = ctx;
+
+    field->skip = 1;
+
+    if (field->value_length >= 3) {
+        status = nxt_int_parse(field->value, 3);
+
+        if (status >= 100 && status <= 999) {
+            r->status = status;
+            return NXT_OK;
+        }
+    }
+
+    return NXT_ERROR;
+}
+
+
+nxt_int_t
+nxt_http_response_skip(void *ctx, nxt_http_field_t *field, uintptr_t data)
+{
+    field->skip = 1;
+
+    return NXT_OK;
+}
+
+
+nxt_int_t
+nxt_http_response_field(void *ctx, nxt_http_field_t *field, uintptr_t offset)
+{
+    nxt_http_request_t  *r;
+
+    r = ctx;
+
+    nxt_value_at(nxt_http_field_t *, r, offset) = field;
+
+    return NXT_OK;
+}