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Python: request processing in multiple threads.

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This closes #459 issue on GitHub.
This commit is contained in:
Max Romanov
2020-11-05 00:04:59 +03:00
parent 4225361f0e
commit 8dcb0b9987
13 changed files with 1027 additions and 532 deletions
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36
src/python/nxt_python_asgi_http.c
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@@ -67,15 +67,16 @@ static PyTypeObject nxt_py_asgi_http_type = {
static Py_ssize_t nxt_py_asgi_http_body_buf_size = 32 * 1024 * 1024;
nxt_int_t
nxt_py_asgi_http_init(nxt_task_t *task)
int
nxt_py_asgi_http_init(void)
{
if (nxt_slow_path(PyType_Ready(&nxt_py_asgi_http_type) != 0)) {
nxt_alert(task, "Python failed to initialize the 'http' type object");
return NXT_ERROR;
nxt_unit_alert(NULL,
"Python failed to initialize the 'http' type object");
return NXT_UNIT_ERROR;
}
return NXT_OK;
return NXT_UNIT_OK;
}
@@ -106,6 +107,7 @@ nxt_py_asgi_http_receive(PyObject *self, PyObject *none)
{
PyObject *msg, *future;
nxt_py_asgi_http_t *http;
nxt_py_asgi_ctx_data_t *ctx_data;
nxt_unit_request_info_t *req;
http = (nxt_py_asgi_http_t *) self;
@@ -118,7 +120,9 @@ nxt_py_asgi_http_receive(PyObject *self, PyObject *none)
return NULL;
}
future = PyObject_CallObject(nxt_py_loop_create_future, NULL);
ctx_data = req->ctx->data;
future = PyObject_CallObject(ctx_data->loop_create_future, NULL);
if (nxt_slow_path(future == NULL)) {
nxt_unit_req_alert(req, "Python failed to create Future object");
nxt_python_print_exception();
@@ -130,7 +134,7 @@ nxt_py_asgi_http_receive(PyObject *self, PyObject *none)
}
if (msg != Py_None) {
return nxt_py_asgi_set_result_soon(req, future, msg);
return nxt_py_asgi_set_result_soon(req, ctx_data, future, msg);
}
http->receive_future = future;
@@ -329,11 +333,12 @@ nxt_py_asgi_http_response_start(nxt_py_asgi_http_t *http, PyObject *dict)
static PyObject *
nxt_py_asgi_http_response_body(nxt_py_asgi_http_t *http, PyObject *dict)
{
int rc;
char *body_str;
ssize_t sent;
PyObject *body, *more_body, *future;
Py_ssize_t body_len, body_off;
int rc;
char *body_str;
ssize_t sent;
PyObject *body, *more_body, *future;
Py_ssize_t body_len, body_off;
nxt_py_asgi_ctx_data_t *ctx_data;
body = PyDict_GetItem(dict, nxt_py_body_str);
if (nxt_slow_path(body != NULL && !PyBytes_Check(body))) {
@@ -371,6 +376,8 @@ nxt_py_asgi_http_response_body(nxt_py_asgi_http_t *http, PyObject *dict)
body_off = 0;
ctx_data = http->req->ctx->data;
while (body_len > 0) {
sent = nxt_unit_response_write_nb(http->req, body_str, body_len, 0);
if (nxt_slow_path(sent < 0)) {
@@ -382,7 +389,8 @@ nxt_py_asgi_http_response_body(nxt_py_asgi_http_t *http, PyObject *dict)
"out of shared memory, %d",
(int) body_len);
future = PyObject_CallObject(nxt_py_loop_create_future, NULL);
future = PyObject_CallObject(ctx_data->loop_create_future,
NULL);
if (nxt_slow_path(future == NULL)) {
nxt_unit_req_alert(http->req,
"Python failed to create Future object");
@@ -396,7 +404,7 @@ nxt_py_asgi_http_response_body(nxt_py_asgi_http_t *http, PyObject *dict)
Py_INCREF(http->send_body);
http->send_body_off = body_off;
nxt_queue_insert_tail(&nxt_py_asgi_drain_queue, &http->link);
nxt_py_asgi_drain_wait(http->req, &http->link);
http->send_future = future;
Py_INCREF(http->send_future);