mirror of
https://github.com/clearlinux/uwsgi.git
synced 2026-05-01 04:13:36 +00:00
300 lines
9.8 KiB
C
300 lines
9.8 KiB
C
#include "uwsgi_python.h"
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extern struct uwsgi_server uwsgi;
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extern struct uwsgi_python up;
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extern PyTypeObject uwsgi_InputType;
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void *uwsgi_request_subhandler_wsgi(struct wsgi_request *wsgi_req, struct uwsgi_app *wi) {
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PyObject *zero;
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int i;
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PyObject *pydictkey, *pydictvalue;
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char *path_info;
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for (i = 0; i < wsgi_req->var_cnt; i += 2) {
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#ifdef UWSGI_DEBUG
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uwsgi_debug("%.*s: %.*s\n", wsgi_req->hvec[i].iov_len, wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i+1].iov_len, wsgi_req->hvec[i+1].iov_base);
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#endif
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#ifdef PYTHREE
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pydictkey = PyUnicode_DecodeLatin1(wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i].iov_len, NULL);
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pydictvalue = PyUnicode_DecodeLatin1(wsgi_req->hvec[i + 1].iov_base, wsgi_req->hvec[i + 1].iov_len, NULL);
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#else
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pydictkey = PyString_FromStringAndSize(wsgi_req->hvec[i].iov_base, wsgi_req->hvec[i].iov_len);
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pydictvalue = PyString_FromStringAndSize(wsgi_req->hvec[i + 1].iov_base, wsgi_req->hvec[i + 1].iov_len);
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#endif
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#ifdef UWSGI_DEBUG
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uwsgi_log("%p %d %p %d\n", pydictkey, wsgi_req->hvec[i].iov_len, pydictvalue, wsgi_req->hvec[i + 1].iov_len);
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#endif
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PyDict_SetItem(wsgi_req->async_environ, pydictkey, pydictvalue);
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Py_DECREF(pydictkey);
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Py_DECREF(pydictvalue);
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}
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if (wsgi_req->uh.modifier1 == UWSGI_MODIFIER_MANAGE_PATH_INFO) {
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wsgi_req->uh.modifier1 = 0;
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pydictkey = PyDict_GetItemString(wsgi_req->async_environ, "SCRIPT_NAME");
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if (pydictkey) {
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if (PyString_Check(pydictkey)) {
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pydictvalue = PyDict_GetItemString(wsgi_req->async_environ, "PATH_INFO");
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if (pydictvalue) {
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if (PyString_Check(pydictvalue)) {
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path_info = PyString_AsString(pydictvalue);
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PyDict_SetItemString(wsgi_req->async_environ, "PATH_INFO", PyString_FromString(path_info + PyString_Size(pydictkey)));
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}
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}
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}
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}
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}
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// if async_post is mapped as a file, directly use it as wsgi.input
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if (wsgi_req->async_post) {
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#ifdef PYTHREE
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wsgi_req->async_input = PyFile_FromFd(fileno((FILE *)wsgi_req->async_post), "wsgi_input", "rb", 0, NULL, NULL, NULL, 0);
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#else
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wsgi_req->async_input = PyFile_FromFile(wsgi_req->async_post, "wsgi_input", "r", NULL);
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#endif
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}
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else {
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// create wsgi.input custom object
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wsgi_req->async_input = (PyObject *) PyObject_New(uwsgi_Input, &uwsgi_InputType);
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((uwsgi_Input*)wsgi_req->async_input)->wsgi_req = wsgi_req;
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((uwsgi_Input*)wsgi_req->async_input)->pos = 0;
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((uwsgi_Input*)wsgi_req->async_input)->readline_pos = 0;
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((uwsgi_Input*)wsgi_req->async_input)->readline_max_size = 0;
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}
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.input", wsgi_req->async_input);
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.file_wrapper", wi->sendfile);
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#ifdef UWSGI_ASYNC
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if (uwsgi.async > 1) {
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PyDict_SetItemString(wsgi_req->async_environ, "x-wsgiorg.fdevent.readable", wi->eventfd_read);
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PyDict_SetItemString(wsgi_req->async_environ, "x-wsgiorg.fdevent.writable", wi->eventfd_write);
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PyDict_SetItemString(wsgi_req->async_environ, "x-wsgiorg.fdevent.timeout", Py_None);
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}
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#endif
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.version", wi->gateway_version);
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zero = PyFile_FromFile(stderr, "wsgi_errors", "w", NULL);
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.errors", zero);
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Py_DECREF(zero);
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.run_once", Py_False);
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if (uwsgi.threads > 1) {
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.multithread", Py_True);
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}
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else {
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.multithread", Py_False);
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}
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if (uwsgi.numproc == 1) {
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.multiprocess", Py_False);
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}
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else {
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.multiprocess", Py_True);
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}
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if (wsgi_req->scheme_len > 0) {
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zero = UWSGI_PYFROMSTRINGSIZE(wsgi_req->scheme, wsgi_req->scheme_len);
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}
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else if (wsgi_req->https_len > 0) {
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if (!strncasecmp(wsgi_req->https, "on", 2) || wsgi_req->https[0] == '1') {
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zero = UWSGI_PYFROMSTRING("https");
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}
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else {
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zero = UWSGI_PYFROMSTRING("http");
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}
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}
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else {
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zero = UWSGI_PYFROMSTRING("http");
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}
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PyDict_SetItemString(wsgi_req->async_environ, "wsgi.url_scheme", zero);
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Py_DECREF(zero);
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wsgi_req->async_app = wi->callable;
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// export .env only in non-threaded mode
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if (uwsgi.threads < 2) {
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PyDict_SetItemString(up.embedded_dict, "env", wsgi_req->async_environ);
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}
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PyDict_SetItemString(wsgi_req->async_environ, "uwsgi.version", wi->uwsgi_version);
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if (uwsgi.cores > 1) {
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zero = PyInt_FromLong(wsgi_req->async_id);
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PyDict_SetItemString(wsgi_req->async_environ, "uwsgi.core", zero);
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Py_DECREF(zero);
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}
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// cache this ?
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if (uwsgi.cluster_fd >= 0) {
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zero = PyString_FromString(uwsgi.cluster);
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PyDict_SetItemString(wsgi_req->async_environ, "uwsgi.cluster", zero);
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Py_DECREF(zero);
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zero = PyString_FromString(uwsgi.hostname);
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PyDict_SetItemString(wsgi_req->async_environ, "uwsgi.cluster_node", zero);
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Py_DECREF(zero);
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}
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PyDict_SetItemString(wsgi_req->async_environ, "uwsgi.node", wi->uwsgi_node);
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// call
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PyTuple_SetItem(wsgi_req->async_args, 0, wsgi_req->async_environ);
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return python_call(wsgi_req->async_app, wsgi_req->async_args, uwsgi.catch_exceptions, wsgi_req);
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}
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int uwsgi_response_subhandler_wsgi(struct wsgi_request *wsgi_req) {
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PyObject *pychunk;
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ssize_t sf_len = 0;
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// return or yield ?
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if (PyString_Check((PyObject *)wsgi_req->async_result)) {
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size_t content_len = PyString_Size((PyObject *)wsgi_req->async_result);
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if (content_len > 0 && !wsgi_req->headers_sent) {
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if (uwsgi_python_do_send_headers(wsgi_req)) {
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goto clear;
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}
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}
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up.hook_write_string(wsgi_req, (PyObject *) wsgi_req->async_result);
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uwsgi_py_check_write_errors {
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uwsgi_py_write_exception(wsgi_req);
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}
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goto clear;
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}
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#ifdef __FreeBSD__
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if ( ((wsgi_req->sendfile_obj == wsgi_req->async_result) || ( wsgi_req->sendfile_fd_size > 0 && wsgi_req->response_size < wsgi_req->sendfile_fd_size)) && wsgi_req->sendfile_fd != -1) {
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#else
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if (wsgi_req->sendfile_obj == wsgi_req->async_result && wsgi_req->sendfile_fd != -1) {
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#endif
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// send the headers if not already sent
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if (!wsgi_req->headers_sent && wsgi_req->headers_hvec > 0) {
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uwsgi_python_do_send_headers(wsgi_req);
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}
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sf_len = uwsgi_sendfile(wsgi_req);
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if (sf_len < 1) goto clear;
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wsgi_req->response_size += sf_len;
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#ifdef UWSGI_ASYNC
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if (uwsgi.async > 1) {
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if (wsgi_req->response_size < wsgi_req->sendfile_fd_size) {
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return UWSGI_AGAIN;
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}
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}
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#endif
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goto clear;
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}
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// ok its a yield
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if (!wsgi_req->async_placeholder) {
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wsgi_req->async_placeholder = PyObject_GetIter(wsgi_req->async_result);
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if (!wsgi_req->async_placeholder) {
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goto exception;
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}
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#ifdef UWSGI_ASYNC
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if (uwsgi.async > 1) {
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return UWSGI_AGAIN;
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}
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#endif
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}
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pychunk = PyIter_Next(wsgi_req->async_placeholder);
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if (!pychunk) {
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exception:
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if (PyErr_Occurred()) {
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int do_exit = uwsgi_python_manage_exceptions();
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if (PyErr_ExceptionMatches(PyExc_MemoryError)) {
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uwsgi_log("Memory Error detected !!!\n");
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}
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uwsgi.workers[uwsgi.mywid].exceptions++;
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uwsgi_apps[wsgi_req->app_id].exceptions++;
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PyErr_Print();
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if (do_exit) {
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exit(UWSGI_EXCEPTION_CODE);
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}
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}
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goto clear;
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}
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if (PyString_Check(pychunk)) {
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size_t content_len = PyString_Size(pychunk);
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if (content_len > 0 && !wsgi_req->headers_sent) {
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if (uwsgi_python_do_send_headers(wsgi_req)) {
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goto clear;
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}
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}
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up.hook_write_string(wsgi_req, pychunk);
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uwsgi_py_check_write_errors {
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uwsgi_py_write_exception(wsgi_req);
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Py_DECREF(pychunk);
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goto clear;
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}
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}
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else if (wsgi_req->sendfile_obj == pychunk && wsgi_req->sendfile_fd != -1) {
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// send the headers if not already sent
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if (!wsgi_req->headers_sent && wsgi_req->headers_hvec > 0) {
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uwsgi_python_do_send_headers(wsgi_req);
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}
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sf_len = uwsgi_sendfile(wsgi_req);
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if (sf_len < 1) goto clear;
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wsgi_req->response_size += sf_len;
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}
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Py_DECREF(pychunk);
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return UWSGI_AGAIN;
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clear:
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if (wsgi_req->sendfile_fd != -1) {
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Py_DECREF((PyObject *)wsgi_req->async_sendfile);
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}
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// send the headers if not already sent
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if (!wsgi_req->headers_sent && wsgi_req->headers_hvec > 0) {
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uwsgi_python_do_send_headers(wsgi_req);
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}
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if (wsgi_req->async_placeholder) {
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// CALL close() ALWAYS if we are working with an iterator !!!
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if (PyObject_HasAttrString((PyObject *)wsgi_req->async_result, "close")) {
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PyObject *close_method = PyObject_GetAttrString((PyObject *)wsgi_req->async_result, "close");
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PyObject *close_method_args = PyTuple_New(0);
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#ifdef UWSGI_DEBUG
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uwsgi_log("calling close() for %.*s %p %p\n", wsgi_req->uri_len, wsgi_req->uri, close_method, close_method_args);
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#endif
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PyObject *close_method_output = PyEval_CallObject(close_method, close_method_args);
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if (PyErr_Occurred()) {
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PyErr_Print();
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}
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Py_DECREF(close_method_args);
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Py_XDECREF(close_method_output);
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Py_DECREF(close_method);
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}
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Py_DECREF((PyObject *)wsgi_req->async_placeholder);
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}
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Py_DECREF((PyObject *)wsgi_req->async_result);
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PyErr_Clear();
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return UWSGI_OK;
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}
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