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-rw-r--r--src/nxt_http_request.c384
1 files changed, 384 insertions, 0 deletions
diff --git a/src/nxt_http_request.c b/src/nxt_http_request.c
new file mode 100644
index 00000000..eab61814
--- /dev/null
+++ b/src/nxt_http_request.c
@@ -0,0 +1,384 @@
+
+/*
+ * Copyright (C) Igor Sysoev
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_router.h>
+#include <nxt_http.h>
+
+
+static void nxt_http_request_start(nxt_task_t *task, void *obj, void *data);
+static void nxt_http_app_request(nxt_task_t *task, void *obj, void *data);
+static void nxt_http_request_done(nxt_task_t *task, void *obj, void *data);
+
+
+static const nxt_http_request_state_t nxt_http_request_init_state;
+static const nxt_http_request_state_t nxt_http_request_body_state;
+
+
+nxt_int_t
+nxt_http_init(nxt_task_t *task, nxt_runtime_t *rt)
+{
+ nxt_int_t ret;
+
+ ret = nxt_h1p_init(task, rt);
+
+ if (ret != NXT_OK) {
+ return ret;
+ }
+
+ return nxt_http_response_hash_init(task, rt);
+}
+
+
+nxt_int_t
+nxt_http_request_host(void *ctx, nxt_http_field_t *field, uintptr_t data)
+{
+ nxt_http_request_t *r;
+
+ r = ctx;
+
+ /* TODO: validate host. */
+
+ r->host = field;
+
+ return NXT_OK;
+}
+
+
+nxt_int_t
+nxt_http_request_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;
+}
+
+
+nxt_int_t
+nxt_http_request_content_length(void *ctx, nxt_http_field_t *field,
+ uintptr_t data)
+{
+ nxt_http_request_t *r;
+
+ r = ctx;
+
+ r->content_length = field;
+ r->content_length_n = nxt_off_t_parse(field->value, field->value_length);
+
+ return NXT_OK;
+}
+
+
+nxt_http_request_t *
+nxt_http_request_create(nxt_task_t *task)
+{
+ nxt_mp_t *mp;
+ nxt_http_request_t *r;
+
+ mp = nxt_mp_create(1024, 128, 256, 32);
+ if (nxt_slow_path(mp == NULL)) {
+ return NULL;
+ }
+
+ r = nxt_mp_zget(mp, sizeof(nxt_http_request_t));
+ if (nxt_slow_path(r == NULL)) {
+ goto fail;
+ }
+
+ r->resp.fields = nxt_list_create(mp, 8, sizeof(nxt_http_field_t));
+ if (nxt_slow_path(r == NULL)) {
+ goto fail;
+ }
+
+ r->mem_pool = mp;
+ r->content_length_n = -1;
+ r->resp.content_length_n = -1;
+ r->state = &nxt_http_request_init_state;
+
+ return r;
+
+fail:
+
+ nxt_mp_release(mp);
+ return NULL;
+}
+
+
+static const nxt_http_request_state_t nxt_http_request_init_state
+ nxt_aligned(64) =
+{
+ .ready_handler = nxt_http_request_start,
+ .error_handler = nxt_http_request_close_handler,
+};
+
+
+static void
+nxt_http_request_start(nxt_task_t *task, void *obj, void *data)
+{
+ nxt_http_request_t *r;
+
+ r = obj;
+
+ r->state = &nxt_http_request_body_state;
+
+ nxt_http_request_read_body(task, r);
+}
+
+
+static const nxt_http_request_state_t nxt_http_request_body_state
+ nxt_aligned(64) =
+{
+ .ready_handler = nxt_http_app_request,
+ .error_handler = nxt_http_request_close_handler,
+};
+
+
+static void
+nxt_http_app_request(nxt_task_t *task, void *obj, void *data)
+{
+ nxt_int_t ret;
+ nxt_event_engine_t *engine;
+ nxt_http_request_t *r;
+ nxt_app_parse_ctx_t *ar;
+
+ r = obj;
+
+ ar = nxt_mp_zget(r->mem_pool, sizeof(nxt_app_parse_ctx_t));
+ if (nxt_slow_path(ar == NULL)) {
+ nxt_http_request_error(task, r, NXT_HTTP_INTERNAL_SERVER_ERROR);
+ return;
+ }
+
+ ar->request = r;
+ ar->mem_pool = r->mem_pool;
+ nxt_mp_retain(r->mem_pool);
+
+ // STUB
+ engine = task->thread->engine;
+ ar->timer.task = &engine->task;
+ ar->timer.work_queue = &engine->fast_work_queue;
+ ar->timer.log = engine->task.log;
+ ar->timer.precision = NXT_TIMER_DEFAULT_PRECISION;
+
+ ar->r.remote.start = nxt_sockaddr_address(r->remote);
+ ar->r.remote.length = r->remote->address_length;
+
+ /*
+ * TODO: need an application flag to get local address
+ * required by "SERVER_ADDR" in Pyhton and PHP. Not used in Go.
+ */
+ nxt_http_request_local_addr(task, r);
+
+ if (nxt_fast_path(r->local != NULL)) {
+ ar->r.local.start = nxt_sockaddr_address(r->local);
+ ar->r.local.length = r->local->address_length;
+ }
+
+ ar->r.header.fields = r->fields;
+ ar->r.header.done = 1;
+ ar->r.header.version = r->version;
+
+ if (r->method != NULL) {
+ ar->r.header.method = *r->method;
+ }
+
+ ar->r.header.target = r->target;
+
+ if (r->path != NULL) {
+ ar->r.header.path = *r->path;
+ }
+
+ if (r->args != NULL) {
+ ar->r.header.query = *r->args;
+ }
+
+ if (r->host != NULL) {
+ ar->r.header.host.length = r->host->value_length;
+ ar->r.header.host.start = r->host->value;
+ }
+
+ if (r->content_type != NULL) {
+ ar->r.header.content_type.length = r->content_type->value_length;
+ ar->r.header.content_type.start = r->content_type->value;
+ }
+
+ if (r->content_length != NULL) {
+ ar->r.header.content_length.length = r->content_length->value_length;
+ ar->r.header.content_length.start = r->content_length->value;
+ }
+
+ if (r->cookie != NULL) {
+ ar->r.header.cookie.length = r->cookie->value_length;
+ ar->r.header.cookie.start = r->cookie->value;
+ }
+
+ ar->r.body.done = 1;
+
+ ret = nxt_http_parse_request_init(&ar->resp_parser, r->mem_pool);
+ if (nxt_slow_path(ret != NXT_OK)) {
+ nxt_http_request_error(task, r, NXT_HTTP_INTERNAL_SERVER_ERROR);
+ return;
+ }
+
+ nxt_router_process_http_request(task, ar);
+}
+
+
+void
+nxt_http_request_read_body(nxt_task_t *task, nxt_http_request_t *r)
+{
+ if (r->proto.any != NULL) {
+ nxt_http_proto_body_read[r->protocol](task, r);
+ }
+}
+
+
+void
+nxt_http_request_local_addr(nxt_task_t *task, nxt_http_request_t *r)
+{
+ if (r->proto.any != NULL) {
+ nxt_http_proto_local_addr[r->protocol](task, r);
+ }
+}
+
+
+void
+nxt_http_request_header_send(nxt_task_t *task, nxt_http_request_t *r)
+{
+ u_char *p, *end;
+ nxt_http_field_t *server, *content_length;
+
+ /*
+ * TODO: "Server" and "Content-Length" processing should be moved
+ * to the last header filter.
+ */
+
+ server = nxt_list_zero_add(r->resp.fields);
+ if (nxt_slow_path(server == NULL)) {
+ goto fail;
+ }
+
+ nxt_http_field_set(server, "Server", "unit/" NXT_VERSION);
+
+ if (r->resp.content_length_n != -1
+ && (r->resp.content_length == NULL || r->resp.content_length->skip))
+ {
+ content_length = nxt_list_zero_add(r->resp.fields);
+ if (nxt_slow_path(content_length == NULL)) {
+ goto fail;
+ }
+
+ nxt_http_field_name_set(content_length, "Content-Length");
+
+ p = nxt_mp_nget(r->mem_pool, NXT_OFF_T_LEN);
+ if (nxt_slow_path(p == NULL)) {
+ goto fail;
+ }
+
+ content_length->value = p;
+ end = nxt_sprintf(p, p + NXT_OFF_T_LEN, "%O", r->resp.content_length_n);
+ content_length->value_length = end - p;
+
+ r->resp.content_length = content_length;
+ }
+
+ if (r->proto.any != NULL) {
+ nxt_http_proto_header_send[r->protocol](task, r);
+ }
+
+ return;
+
+fail:
+
+ nxt_http_request_error(task, r, NXT_HTTP_INTERNAL_SERVER_ERROR);
+}
+
+
+void
+nxt_http_request_send(nxt_task_t *task, nxt_http_request_t *r, nxt_buf_t *out)
+{
+ if (r->proto.any != NULL) {
+ nxt_http_proto_send[r->protocol](task, r, out);
+ }
+}
+
+
+nxt_buf_t *
+nxt_http_request_last_buffer(nxt_task_t *task, nxt_http_request_t *r)
+{
+ nxt_buf_t *b;
+
+ b = nxt_buf_mem_alloc(r->mem_pool, 0, 0);
+
+ if (nxt_fast_path(b != NULL)) {
+ nxt_buf_set_sync(b);
+ nxt_buf_set_last(b);
+ b->completion_handler = nxt_http_request_done;
+ b->parent = r;
+
+ } else {
+ nxt_http_request_release(task, r);
+ }
+
+ return b;
+}
+
+
+static void
+nxt_http_request_done(nxt_task_t *task, void *obj, void *data)
+{
+ nxt_http_request_t *r;
+
+ r = data;
+
+ nxt_debug(task, "http request done");
+
+ nxt_http_request_close_handler(task, r, r->proto.any);
+}
+
+
+void
+nxt_http_request_release(nxt_task_t *task, nxt_http_request_t *r)
+{
+ nxt_debug(task, "http request release");
+
+ nxt_work_queue_add(&task->thread->engine->fast_work_queue,
+ nxt_http_request_close_handler, task, r, r->proto.any);
+}
+
+
+void
+nxt_http_request_close_handler(nxt_task_t *task, void *obj, void *data)
+{
+ nxt_http_proto_t proto;
+ nxt_http_request_t *r;
+ nxt_http_proto_close_t handler;
+
+ r = obj;
+ proto.any = data;
+
+ nxt_debug(task, "http request close handler");
+
+ if (!r->logged) {
+ r->logged = 1;
+ // STUB
+ nxt_debug(task, "http request log: \"%*s \"%V %V %V\" %d\"",
+ r->remote->address_length, nxt_sockaddr_address(r->remote),
+ r->method, &r->target, &r->version, r->status);
+ }
+
+ handler = nxt_http_proto_close[r->protocol];
+
+ r->proto.any = NULL;
+ nxt_mp_release(r->mem_pool);
+
+ if (proto.any != NULL) {
+ handler(task, proto);
+ }
+}
generated by cgit (git 2.34.1) at 2024-11-16 23:18:09 +0000