int uwsgi_python_mount_app(char *mountpoint, char *app, int regexp) {
int id;
if (strchr(app, ':') || uwsgi_endswith(app, ".py") || uwsgi_endswith(app, ".wsgi")) {
uwsgi.wsgi_req->appid = mountpoint;
uwsgi.wsgi_req->appid_len = strlen(mountpoint);
if (uwsgi.single_interpreter) {
id = init_uwsgi_app(LOADER_MOUNT, app, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
else {
id = init_uwsgi_app(LOADER_MOUNT, app, uwsgi.wsgi_req, NULL, PYTHON_APP_TYPE_WSGI);
}
#ifdef UWSGI_PCRE
int i;
if (regexp && id != -1) {
struct uwsgi_app *ua = &uwsgi_apps[id];
uwsgi_regexp_build(mountpoint, &ua->pattern, &ua->pattern_extra);
if (uwsgi.mywid == 0) {
for(i=1;i<=uwsgi.numproc;i++) {
uwsgi.workers[i].apps[id].pattern = ua->pattern;
uwsgi.workers[i].apps[id].pattern_extra = ua->pattern_extra;
}
}
}
#endif
return id;
}
return -1;
}
int uwsgi_python_mount_app(char *mountpoint, char *app) {
int id;
if (strchr(app, ':') || uwsgi_endswith(app, ".py") || uwsgi_endswith(app, ".wsgi")) {
uwsgi.wsgi_req->appid = mountpoint;
uwsgi.wsgi_req->appid_len = strlen(mountpoint);
if (uwsgi.single_interpreter) {
id = init_uwsgi_app(LOADER_MOUNT, app, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
else {
id = init_uwsgi_app(LOADER_MOUNT, app, uwsgi.wsgi_req, NULL, PYTHON_APP_TYPE_WSGI);
}
return id;
}
return -1;
}
void uwsgi_textApp(void *userData, const char *s, int len) {
struct wsgi_request *wsgi_req = (struct wsgi_request *) userData ;
if (current_xmlnode) {
wsgi_req->wsgi_script = (char *) s;
wsgi_req->wsgi_script_len = len;
init_uwsgi_app(NULL, NULL);
current_xmlnode = 0;
}
};
void uwsgi_python_init_apps() {
struct http_status_codes *http_sc;
#ifndef UWSGI_PYPY
// prepare for stack suspend/resume
if (uwsgi.async > 1) {
up.current_recursion_depth = uwsgi_malloc(sizeof(int)*uwsgi.async);
up.current_frame = uwsgi_malloc(sizeof(struct _frame)*uwsgi.async);
}
#endif
// setup app loaders
#ifdef UWSGI_MINTERPRETERS
up.loaders[LOADER_DYN] = uwsgi_dyn_loader;
#endif
up.loaders[LOADER_UWSGI] = uwsgi_uwsgi_loader;
up.loaders[LOADER_FILE] = uwsgi_file_loader;
up.loaders[LOADER_PASTE] = uwsgi_paste_loader;
up.loaders[LOADER_EVAL] = uwsgi_eval_loader;
up.loaders[LOADER_MOUNT] = uwsgi_mount_loader;
up.loaders[LOADER_CALLABLE] = uwsgi_callable_loader;
up.loaders[LOADER_STRING_CALLABLE] = uwsgi_string_callable_loader;
struct uwsgi_string_list *upli = up.import_list;
while(upli) {
if (strchr(upli->value, '/') || uwsgi_endswith(upli->value, ".py")) {
uwsgi_pyimport_by_filename(uwsgi_pythonize(upli->value), upli->value);
}
else {
if (PyImport_ImportModule(upli->value) == NULL) {
PyErr_Print();
}
}
upli = upli->next;
}
struct uwsgi_string_list *uppa = up.post_pymodule_alias;
PyObject *modules = PyImport_GetModuleDict();
PyObject *tmp_module;
while(uppa) {
// split key=value
char *value = strchr(uppa->value, '=');
if (!value) {
uwsgi_log("invalid pymodule-alias syntax\n");
goto next;
}
value[0] = 0;
if (!strchr(value + 1, '/')) {
// this is a standard pymodule
tmp_module = PyImport_ImportModule(value + 1);
if (!tmp_module) {
PyErr_Print();
exit(1);
}
PyDict_SetItemString(modules, uppa->value, tmp_module);
}
else {
// this is a filepath that need to be mapped
tmp_module = uwsgi_pyimport_by_filename(uppa->value, value + 1);
if (!tmp_module) {
PyErr_Print();
exit(1);
}
}
uwsgi_log("mapped virtual pymodule \"%s\" to real pymodule \"%s\"\n", uppa->value, value + 1);
// reset original value
value[0] = '=';
next:
uppa = uppa->next;
}
if (up.wsgi_config != NULL) {
init_uwsgi_app(LOADER_UWSGI, up.wsgi_config, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
if (up.file_config != NULL) {
init_uwsgi_app(LOADER_FILE, up.file_config, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
if (up.paste != NULL) {
init_uwsgi_app(LOADER_PASTE, up.paste, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
if (up.eval != NULL) {
init_uwsgi_app(LOADER_EVAL, up.eval, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI);
}
if (up.web3 != NULL) {
init_uwsgi_app(LOADER_UWSGI, up.web3, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WEB3);
}
if (up.pump != NULL) {
init_uwsgi_app(LOADER_UWSGI, up.pump, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_PUMP);
// filling http status codes
for (http_sc = hsc; http_sc->message != NULL; http_sc++) {
http_sc->message_size = (int) strlen(http_sc->message);
}
}
if (up.wsgi_lite != NULL) {
init_uwsgi_app(LOADER_UWSGI, up.wsgi_lite, uwsgi.wsgi_req, up.main_thread, PYTHON_APP_TYPE_WSGI_LITE);
}
#ifndef UWSGI_PYPY
if (uwsgi.profiler) {
if (!strcmp(uwsgi.profiler, "pycall")) {
PyEval_SetProfile(uwsgi_python_profiler_call, NULL);
}
else if (!strcmp(uwsgi.profiler, "pyline")) {
PyEval_SetTrace(uwsgi_python_tracer, NULL);
}
}
#endif
PyObject *uwsgi_dict = get_uwsgi_pydict("uwsgi");
if (uwsgi_dict) {
up.after_req_hook = PyDict_GetItemString(uwsgi_dict, "after_req_hook");
if (up.after_req_hook) {
Py_INCREF(up.after_req_hook);
up.after_req_hook_args = PyTuple_New(0);
Py_INCREF(up.after_req_hook_args);
}
}
}
int init_uwsgi_app(int loader, void *arg1, struct wsgi_request *wsgi_req, PyThreadState *interpreter, int app_type) {
PyObject *app_list = NULL, *applications = NULL;
if (uwsgi_apps_cnt >= uwsgi.max_apps) {
uwsgi_log("ERROR: you cannot load more than %d apps in a worker\n", uwsgi.max_apps);
return -1;
}
int id = uwsgi_apps_cnt;
int multiapp = 0;
int i;
struct uwsgi_app *wi;
time_t now = uwsgi_now();
if (uwsgi_get_app_id(NULL, wsgi_req->appid, wsgi_req->appid_len, -1) != -1) {
uwsgi_log( "mountpoint %.*s already configured. skip.\n", wsgi_req->appid_len, wsgi_req->appid);
return -1;
}
wi = &uwsgi_apps[id];
memset(wi, 0, sizeof(struct uwsgi_app));
wi->mountpoint_len = wsgi_req->appid_len < 0xff ? wsgi_req->appid_len : (0xff-1);
strncpy(wi->mountpoint, wsgi_req->appid, wi->mountpoint_len);
// dynamic chdir ?
if (wsgi_req->chdir_len > 0) {
strncpy(wi->chdir, wsgi_req->chdir, wsgi_req->chdir_len < 0xff ? wsgi_req->chdir_len : (0xff-1));
#ifdef UWSGI_DEBUG
uwsgi_debug("chdir to %s\n", wi->chdir);
#endif
if (chdir(wi->chdir)) {
uwsgi_error("chdir()");
}
}
// Initialize a new environment for the new interpreter
// reload "os" environ to allow dynamic setenv()
if (up.reload_os_env) {
char **e, *p;
PyObject *k, *env_value;
PyObject *os_module = PyImport_ImportModule("os");
if (os_module) {
PyObject *os_module_dict = PyModule_GetDict(os_module);
PyObject *py_environ = PyDict_GetItemString(os_module_dict, "environ");
if (py_environ) {
for (e = environ; *e != NULL; e++) {
p = strchr(*e, '=');
if (p == NULL) continue;
k = PyString_FromStringAndSize(*e, (int)(p-*e));
if (k == NULL) {
PyErr_Print();
continue;
}
env_value = PyString_FromString(p+1);
if (env_value == NULL) {
PyErr_Print();
Py_DECREF(k);
continue;
}
#ifdef UWSGI_DEBUG
uwsgi_log("%s = %s\n", PyString_AsString(k), PyString_AsString(env_value));
#endif
if (PyObject_SetItem(py_environ, k, env_value)) {
PyErr_Print();
}
Py_DECREF(k);
Py_DECREF(env_value);
}
}
}
}
if (interpreter == NULL && id) {
wi->interpreter = Py_NewInterpreter();
if (!wi->interpreter) {
uwsgi_log( "unable to initialize the new python interpreter\n");
exit(1);
}
PyThreadState_Swap(wi->interpreter);
init_pyargv();
// we need to inizialize an embedded module for every interpreter
init_uwsgi_embedded_module();
init_uwsgi_vars();
}
else if (interpreter) {
wi->interpreter = interpreter;
}
else {
wi->interpreter = up.main_thread;
}
if (wsgi_req->home_len) {
set_dyn_pyhome(wsgi_req->home, wsgi_req->home_len);
}
if (wsgi_req->touch_reload_len > 0 && wsgi_req->touch_reload_len < 0xff) {
struct stat trst;
strncpy(wi->touch_reload, wsgi_req->touch_reload, wsgi_req->touch_reload_len);
if (!stat(wi->touch_reload, &trst)) {
wi->touch_reload_mtime = trst.st_mtime;
}
}
wi->callable = up.loaders[loader](arg1);
if (!wi->callable) {
uwsgi_log("unable to load app %d (mountpoint='%s') (callable not found or import error)\n", id, wi->mountpoint);
goto doh;
}
// the module contains multiple apps
if (PyDict_Check((PyObject *)wi->callable)) {
applications = wi->callable;
uwsgi_log("found a multiapp module...\n");
app_list = PyDict_Keys(applications);
multiapp = PyList_Size(app_list);
if (multiapp < 1) {
uwsgi_log("you have to define at least one app in the apllications dictionary\n");
goto doh;
}
PyObject *app_mnt = PyList_GetItem(app_list, 0);
if (!PyString_Check(app_mnt)) {
uwsgi_log("the app mountpoint must be a string\n");
goto doh;
}
char *tmp_mountpoint = PyString_AsString(app_mnt);
wi->mountpoint_len = strlen(wi->mountpoint) < 0xff ? strlen(wi->mountpoint) : (0xff-1);
strncpy(wi->mountpoint, tmp_mountpoint, wi->mountpoint_len);
wsgi_req->appid = wi->mountpoint;
wsgi_req->appid_len = wi->mountpoint_len;
#ifdef UWSGI_DEBUG
uwsgi_log("main mountpoint = %s\n", wi->mountpoint);
#endif
wi->callable = PyDict_GetItem(applications, app_mnt);
if (PyString_Check((PyObject *) wi->callable)) {
PyObject *callables_dict = get_uwsgi_pydict((char *)arg1);
if (callables_dict) {
wi->callable = PyDict_GetItem(callables_dict, (PyObject *)wi->callable);
}
}
}
Py_INCREF((PyObject *)wi->callable);
wi->environ = malloc(sizeof(PyObject*)*uwsgi.cores);
if (!wi->environ) {
uwsgi_error("malloc()");
exit(1);
}
for(i=0;i<uwsgi.cores;i++) {
wi->environ[i] = PyDict_New();
if (!wi->environ[i]) {
uwsgi_log("unable to allocate new env dictionary for app\n");
exit(1);
}
}
wi->argc = 1;
if (app_type == PYTHON_APP_TYPE_WSGI) {
#ifdef UWSGI_DEBUG
uwsgi_log("-- WSGI callable selected --\n");
#endif
wi->request_subhandler = uwsgi_request_subhandler_wsgi;
wi->response_subhandler = uwsgi_response_subhandler_wsgi;
wi->argc = 2;
}
else if (app_type == PYTHON_APP_TYPE_WEB3) {
#ifdef UWSGI_DEBUG
uwsgi_log("-- Web3 callable selected --\n");
#endif
wi->request_subhandler = uwsgi_request_subhandler_web3;
wi->response_subhandler = uwsgi_response_subhandler_web3;
}
else if (app_type == PYTHON_APP_TYPE_PUMP) {
#ifdef UWSGI_DEBUG
uwsgi_log("-- Pump callable selected --\n");
#endif
wi->request_subhandler = uwsgi_request_subhandler_pump;
wi->response_subhandler = uwsgi_response_subhandler_pump;
}
wi->args = malloc(sizeof(PyObject*)*uwsgi.cores);
if (!wi->args) {
uwsgi_error("malloc()");
exit(1);
}
for(i=0;i<uwsgi.cores;i++) {
wi->args[i] = PyTuple_New(wi->argc);
if (!wi->args[i]) {
uwsgi_log("unable to allocate new tuple for app args\n");
exit(1);
}
// add start_response on WSGI app
Py_INCREF((PyObject *)up.wsgi_spitout);
if (app_type == PYTHON_APP_TYPE_WSGI) {
if (PyTuple_SetItem(wi->args[i], 1, up.wsgi_spitout)) {
uwsgi_log("unable to set start_response in args tuple\n");
exit(1);
}
}
}
if (app_type == PYTHON_APP_TYPE_WSGI) {
// prepare sendfile() for WSGI app
wi->sendfile = PyCFunction_New(uwsgi_sendfile_method, NULL);
wi->eventfd_read = PyCFunction_New(uwsgi_eventfd_read_method, NULL);
wi->eventfd_write = PyCFunction_New(uwsgi_eventfd_write_method, NULL);
}
// cache most used values
wi->error = PyFile_FromFile(stderr, "wsgi_errors", "w", NULL);
Py_INCREF((PyObject *)wi->error);
wi->gateway_version = PyTuple_New(2);
PyTuple_SetItem(wi->gateway_version, 0, PyInt_FromLong(1));
PyTuple_SetItem(wi->gateway_version, 1, PyInt_FromLong(0));
Py_INCREF((PyObject *)wi->gateway_version);
wi->uwsgi_version = PyString_FromString(UWSGI_VERSION);
Py_INCREF((PyObject *)wi->uwsgi_version);
wi->uwsgi_node = PyString_FromString(uwsgi.hostname);
Py_INCREF((PyObject *)wi->uwsgi_node);
if (uwsgi.threads > 1 && id) {
// if we have multiple threads we need to initialize a PyThreadState for each one
for(i=0;i<uwsgi.threads;i++) {
//uwsgi_log("%p\n", uwsgi.core[i]->ts[id]);
uwsgi.workers[uwsgi.mywid].cores[i].ts[id] = PyThreadState_New( ((PyThreadState *)wi->interpreter)->interp);
if (!uwsgi.workers[uwsgi.mywid].cores[i].ts[id]) {
uwsgi_log("unable to allocate new PyThreadState structure for app %s", wi->mountpoint);
goto doh;
}
}
PyThreadState_Swap((PyThreadState *) pthread_getspecific(up.upt_save_key) );
}
else if (interpreter == NULL && id) {
PyThreadState_Swap(up.main_thread);
}
const char *default_app = "";
if ((wsgi_req->appid_len == 0 || (wsgi_req->appid_len = 1 && wsgi_req->appid[0] == '/')) && uwsgi.default_app == -1) {
default_app = " (default app)" ;
uwsgi.default_app = id;
}
wi->started_at = now;
wi->startup_time = uwsgi_now() - now;
if (app_type == PYTHON_APP_TYPE_WSGI) {
uwsgi_log( "WSGI app %d (mountpoint='%.*s') ready in %d seconds on interpreter %p pid: %d%s\n", id, wi->mountpoint_len, wi->mountpoint, (int) wi->startup_time, wi->interpreter, (int) getpid(), default_app);
}
else if (app_type == PYTHON_APP_TYPE_WEB3) {
uwsgi_log( "Web3 app %d (mountpoint='%.*s') ready in %d seconds on interpreter %p pid: %d%s\n", id, wi->mountpoint_len, wi->mountpoint, (int) wi->startup_time, wi->interpreter, (int) getpid(), default_app);
}
else if (app_type == PYTHON_APP_TYPE_PUMP) {
uwsgi_log( "Pump app %d (mountpoint='%.*s') ready in %d seconds on interpreter %p pid: %d%s\n", id, wi->mountpoint_len, wi->mountpoint, (int) wi->startup_time, wi->interpreter, (int) getpid(), default_app);
}
uwsgi_apps_cnt++;
if (multiapp > 1) {
for(i=1;i<multiapp;i++) {
PyObject *app_mnt = PyList_GetItem(app_list, i);
if (!PyString_Check(app_mnt)) {
uwsgi_log("applications dictionary key must be a string, skipping.\n");
continue;
}
wsgi_req->appid = PyString_AsString(app_mnt);
wsgi_req->appid_len = strlen(wsgi_req->appid);
PyObject *a_callable = PyDict_GetItem(applications, app_mnt);
if (PyString_Check(a_callable)) {
PyObject *callables_dict = get_uwsgi_pydict((char *)arg1);
if (callables_dict) {
a_callable = PyDict_GetItem(callables_dict, a_callable);
}
}
if (!a_callable) {
uwsgi_log("skipping broken app %s\n", wsgi_req->appid);
continue;
}
init_uwsgi_app(LOADER_CALLABLE, a_callable, wsgi_req, wi->interpreter, app_type);
}
}
// emulate COW
uwsgi_emulate_cow_for_apps(id);
return id;
doh:
if (PyErr_Occurred())
PyErr_Print();
if (interpreter == NULL && id) {
Py_EndInterpreter(wi->interpreter);
if (uwsgi.threads > 1) {
PyThreadState_Swap((PyThreadState *) pthread_getspecific(up.upt_save_key));
}
else {
PyThreadState_Swap(up.main_thread);
}
}
return -1;
}
void uwsgi_xml_config(struct wsgi_request *wsgi_req, struct option *long_options) {
xmlDoc *doc = NULL;
xmlNode *element = NULL;
xmlNode *node = NULL;
xmlNode *node2 = NULL;
xmlChar *xml_uwsgi_mountpoint = NULL;
xmlChar *xml_uwsgi_script = NULL;
struct option *lopt, *aopt;
doc = xmlReadFile(uwsgi.xml_config, NULL, 0);
if (doc == NULL) {
fprintf(stderr, "[uWSGI] could not parse file %s.\n", uwsgi.xml_config);
exit(1);
}
if (long_options) {
fprintf(stderr, "[uWSGI] parsing config file %s\n", uwsgi.xml_config);
}
element = xmlDocGetRootElement(doc);
if (element == NULL) {
fprintf(stderr, "[uWSGI] invalid xml config file.\n");
exit(1);
}
if (strcmp((char *) element->name, "uwsgi")) {
fprintf(stderr, "[uWSGI] invalid xml root element, <uwsgi> expected.\n");
exit(1);
}
if (long_options) {
// first check for pythonpath
for (node = element->children; node; node = node->next) {
if (node->type == XML_ELEMENT_NODE) {
lopt = long_options;
while ((aopt = lopt)) {
if (!aopt->name)
break;
if (!strcmp((char *) node->name, aopt->name)) {
if (!node->children && aopt->has_arg) {
fprintf(stderr, "[uWSGI] %s option need a value. skip.\n", aopt->name);
exit(1);
}
if (node->children) {
if (!node->children->content && aopt->has_arg) {
fprintf(stderr, "[uWSGI] %s option need a value. skip.\n", aopt->name);
exit(1);
}
}
if (aopt->flag) {
*aopt->flag = aopt->val;
}
else {
if (node->children) {
manage_opt(aopt->val, (char *) node->children->content);
}
else {
manage_opt(aopt->val, NULL);
}
}
}
lopt++;
}
}
}
}
else {
// ... then for wsgi apps
for (node = element->children; node; node = node->next) {
if (node->type == XML_ELEMENT_NODE) {
if (!strcmp((char *) node->name, "app")) {
xml_uwsgi_mountpoint = xmlGetProp(node, (const xmlChar *) "mountpoint");
if (xml_uwsgi_mountpoint == NULL) {
fprintf(stderr, "no mountpoint defined for app. skip.\n");
continue;
}
wsgi_req->script_name = (char *) xml_uwsgi_mountpoint;
wsgi_req->script_name_len = strlen(wsgi_req->script_name);
for (node2 = node->children; node2; node2 = node2->next) {
if (node2->type == XML_ELEMENT_NODE) {
if (!strcmp((char *) node2->name, "script")) {
if (!node2->children) {
fprintf(stderr, "no wsgi script defined. skip.\n");
continue;
}
xml_uwsgi_script = node2->children->content;
if (xml_uwsgi_script == NULL) {
fprintf(stderr, "no wsgi script defined. skip.\n");
continue;
}
wsgi_req->wsgi_script = (char *) xml_uwsgi_script;
wsgi_req->wsgi_script_len = strlen(wsgi_req->wsgi_script);
init_uwsgi_app(NULL, NULL);
}
}
}
}
}
}
}
/* We cannot free xml resources on the first round as the string pointer must be valid for all the server lifecycle */
if (!long_options) {
xmlFreeDoc (doc);
xmlCleanupParser ();
}
}
