kopia lustrzana https://github.com/cirospaciari/socketify.py
added cork_end, get_full_url, foreach_header, and get_write_offset
Ciro
rodzic
0964b21b6a
commit
fd28873063
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@ -161,6 +161,9 @@ typedef void (*uws_listen_handler)(struct us_listen_socket_t *listen_socket, uws
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typedef void (*uws_method_handler)(uws_res_t *response, uws_req_t *request, void *user_data);
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typedef void (*uws_filter_handler)(uws_res_t *response, int, void *user_data);
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typedef void (*uws_missing_server_handler)(const char *hostname, void *user_data);
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typedef void (*uws_get_headers_server_handler)(const char *header_name, size_t header_name_size, const char *header_value, size_t header_value_size, void *user_data);
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uws_app_t *uws_create_app(int ssl, struct us_socket_context_options_t options);
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void uws_app_destroy(int ssl, uws_app_t *app);
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void uws_app_get(int ssl, uws_app_t *app, const char *pattern, uws_method_handler handler, void *user_data);
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@ -179,7 +182,7 @@ void uws_app_run(int ssl, uws_app_t *);
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void uws_app_listen(int ssl, uws_app_t *app, int port, uws_listen_handler handler, void *user_data);
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void uws_app_listen_with_config(int ssl, uws_app_t *app, uws_app_listen_config_t config, uws_listen_handler handler, void *user_data);
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bool uws_constructor_failed(int ssl, uws_app_t *app);
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unsigned int uws_num_subscribers(int ssl, uws_app_t *app, const char *topic);
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unsigned int uws_num_subscribers(int ssl, uws_app_t *app, const char *topic, size_t topic_length);
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bool uws_publish(int ssl, uws_app_t *app, const char *topic, size_t topic_length, const char *message, size_t message_length, uws_opcode_t opcode, bool compress);
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void *uws_get_native_handle(int ssl, uws_app_t *app);
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void uws_remove_server_name(int ssl, uws_app_t *app, const char *hostname_pattern);
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@ -196,6 +199,7 @@ void uws_res_resume(int ssl, uws_res_t *res);
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void uws_res_write_continue(int ssl, uws_res_t *res);
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void uws_res_write_status(int ssl, uws_res_t *res, const char *status, size_t length);
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void uws_res_write_header(int ssl, uws_res_t *res, const char *key, size_t key_length, const char *value, size_t value_length);
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void uws_res_override_write_offset(int ssl, uws_res_t *res, uintmax_t offset);
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void uws_res_write_header_int(int ssl, uws_res_t *res, const char *key, size_t key_length, uint64_t value);
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void uws_res_end_without_body(int ssl, uws_res_t *res, bool close_connection);
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@ -206,7 +210,7 @@ void uws_res_on_writable(int ssl, uws_res_t *res, bool (*handler)(uws_res_t *res
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void uws_res_on_aborted(int ssl, uws_res_t *res, void (*handler)(uws_res_t *res, void *opcional_data), void *opcional_data);
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void uws_res_on_data(int ssl, uws_res_t *res, void (*handler)(uws_res_t *res, const char *chunk, size_t chunk_length, bool is_end, void *opcional_data), void *opcional_data);
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void uws_res_upgrade(int ssl, uws_res_t *res, void *data, const char *sec_web_socket_key, size_t sec_web_socket_key_length, const char *sec_web_socket_protocol, size_t sec_web_socket_protocol_length, const char *sec_web_socket_extensions, size_t sec_web_socket_extensions_length, uws_socket_context_t *ws);
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uws_try_end_result_t uws_res_try_end(int ssl, uws_res_t *res, const char *data, size_t length, uintmax_t total_size);
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uws_try_end_result_t uws_res_try_end(int ssl, uws_res_t *res, const char *data, size_t length, uintmax_t total_size, bool close_connection);
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void uws_res_cork(int ssl, uws_res_t *res,void(*callback)(uws_res_t *res, void* user_data) ,void* user_data);
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bool uws_req_is_ancient(uws_req_t *res);
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bool uws_req_get_yield(uws_req_t *res);
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@ -216,11 +220,27 @@ size_t uws_req_get_method(uws_req_t *res, const char **dest);
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size_t uws_req_get_header(uws_req_t *res, const char *lower_case_header, size_t lower_case_header_length, const char **dest);
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size_t uws_req_get_query(uws_req_t *res, const char *key, size_t key_length, const char **dest);
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size_t uws_req_get_parameter(uws_req_t *res, unsigned short index, const char **dest);
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size_t uws_req_get_full_url(uws_req_t *res, const char **dest);
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void uws_req_for_each_header(uws_req_t *res, uws_get_headers_server_handler handler, void *user_data);
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""")
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library_path = os.path.join(os.path.dirname(__file__), "libuwebsockets.so")
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lib = ffi.dlopen(library_path)
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@ffi.callback("void(const char *, size_t, const char *, size_t, void *)")
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def uws_req_for_each_header_handler(header_name, header_name_size, header_value, header_value_size, user_data):
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if not user_data == ffi.NULL:
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req = ffi.from_handle(user_data)
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try:
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header_name = ffi.unpack(header_name, header_name_size).decode("utf-8")
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header_value = ffi.unpack(header_value, header_value_size).decode("utf-8")
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req.trigger_for_each_header_handler(header_name, header_value)
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except Exception: #invalid utf-8
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return
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@ffi.callback("void(uws_res_t *, uws_req_t *, void *)")
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def uws_generic_method_handler(res, req, user_data):
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@ -312,7 +332,10 @@ class AppRequest:
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self.req = request
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self.read_jar = None
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self.jar_parsed = False
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self._for_each_header_handler = None
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self._ptr = ffi.new_handle(self)
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def get_cookie(self, name):
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if self.read_jar == None:
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if self.jar_parsed:
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@ -339,6 +362,16 @@ class AppRequest:
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return ffi.unpack(buffer_address, length).decode("utf-8")
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except Exception: #invalid utf-8
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return None
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def get_full_url(self):
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buffer = ffi.new("char**")
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length = lib.uws_req_get_full_url(self.req, buffer)
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buffer_address = ffi.addressof(buffer, 0)[0]
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if buffer_address == ffi.NULL:
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return None
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try:
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return ffi.unpack(buffer_address, length).decode("utf-8")
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except Exception: #invalid utf-8
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return None
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def get_method(self):
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buffer = ffi.new("char**")
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length = lib.uws_req_get_method(self.req, buffer)
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@ -350,6 +383,11 @@ class AppRequest:
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return ffi.unpack(buffer_address, length).decode("utf-8")
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except Exception: #invalid utf-8
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return None
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def for_each_header(self, handler):
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self._for_each_header_handler = handler
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lib.uws_req_for_each_header(self.req, uws_req_for_each_header_handler, self._ptr)
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def get_header(self, lower_case_header):
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if isinstance(lower_case_header, str):
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data = lower_case_header.encode("utf-8")
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@ -401,6 +439,19 @@ class AppRequest:
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return bool(lib.uws_req_get_yield(self.req))
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def is_ancient(self):
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return bool(lib.uws_req_is_ancient(self.req))
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def trigger_for_each_header_handler(self, key, value):
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if hasattr(self, "_for_each_header_handler") and hasattr(self._for_each_header_handler, '__call__'):
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try:
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if inspect.iscoroutinefunction(self._for_each_header_handler):
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raise RuntimeError("AppResponse.for_each_header_handler must be synchronous")
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self._for_each_header_handler(key, value)
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except Exception as err:
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print("Error on data handler %s" % str(err))
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return self
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def __del__(self):
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self.req = ffi.NULL
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self._ptr = ffi.NULL
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class AppResponse:
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def __init__(self, response, loop, is_ssl):
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@ -581,13 +632,19 @@ class AppResponse:
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if not self.aborted and not self._grabed_abort_handler_once:
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self._grabed_abort_handler_once = True
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lib.uws_res_on_aborted(self.SSL, self.res, uws_generic_aborted_handler, self._ptr)
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return self
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def redirect(self, location, status_code=302):
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self.write_status(status_code)
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self.write_header("Location", location)
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self.end_without_body(False)
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return self
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def try_end(self, message, total_size):
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def write_offset(self, offset):
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lib.uws_res_override_write_offset(self.SSL, self.res, ffi.cast("uintmax_t", offset))
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return self
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def try_end(self, message, total_size, close_connection=False):
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try:
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if self.aborted:
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return (False, False)
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@ -600,13 +657,14 @@ class AppResponse:
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data = message
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else:
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return (False, False)
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result = lib.uws_res_try_end(self.SSL, self.res, data, len(data),ffi.cast("uintmax_t", total_size))
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result = lib.uws_res_try_end(self.SSL, self.res, data, len(data),ffi.cast("uintmax_t", total_size), 1 if end_connection else 0)
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return (bool(result.ok), bool(result.has_responded))
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except:
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return (False, False)
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def cork_end(self, message, end_connection=False):
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self.cork(lambda res: res.end(message, end_connection))
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return self
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def end(self, message, end_connection=False):
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try:
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72
src/tests.py
72
src/tests.py
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@ -17,76 +17,32 @@
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# multipart/form-data
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# try_end
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# get_full_url
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# for_each_header
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# unsigned int uws_num_subscribers(int ssl, uws_app_t *app, const char *topic);
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# bool uws_publish(int ssl, uws_app_t *app, const char *topic, size_t topic_length, const char *message, size_t message_length, uws_opcode_t opcode, bool compress);
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# void *uws_get_native_handle(int ssl, uws_app_t *app);
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# void uws_remove_server_name(int ssl, uws_app_t *app, const char *hostname_pattern);
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# void uws_add_server_name(int ssl, uws_app_t *app, const char *hostname_pattern);
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# void uws_add_server_name_with_options(int ssl, uws_app_t *app, const char *hostname_pattern, struct us_socket_context_options_t options);
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# void uws_missing_server_name(int ssl, uws_app_t *app, uws_missing_server_handler handler, void *user_data);
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# void uws_filter(int ssl, uws_app_t *app, uws_filter_handler handler, void *user_data);
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# https://github.com/uNetworking/uWebSockets.js/blob/master/examples/VideoStreamer.js
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from socketify import App
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# import os
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import multiprocessing
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import asyncio
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import aiofiles
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from aiofiles import os
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import time
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import mimetypes
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mimetypes.init()
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#need to fix get_data using sel._data etc
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async def home(res, req):
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print("full", req.get_full_url())
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print("normal", req.get_url())
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filename = "./file_example_MP3_5MG.mp3"
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if_modified_since = req.get_header('if-modified-since')
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range_header = req.get_header('range')
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bytes_range = None
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start = 0
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end = -1
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if range_header:
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bytes_range = range_header.replace("bytes=", '').split('-')
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start = int(bytes_range[0])
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if bytes_range[1]:
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end = int(bytes_range[1])
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try:
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exists = await os.path.exists(filename)
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if not exists:
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return res.write_status(404).end(b'Not Found')
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stats = await os.stat(filename)
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total_size = stats.st_size
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last_modified = time.strftime('%a, %d %b %Y %H:%M:%S GMT', time.gmtime(stats.st_mtime))
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if if_modified_since == last_modified:
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res.write_status(304).end_without_body()
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return
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res.write_header(b'Last-Modified', last_modified)
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(content_type, encoding) = mimetypes.guess_type(filename, strict=True)
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if content_type and encoding:
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res.write_header(b'Content-Type', '%s; %s' % (content_type, encoding))
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elif content_type:
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res.write_header(b'Content-Type', content_type)
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async with aiofiles.open(filename, "rb") as fd:
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if start > 0 or not end == -1:
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if end < 1 or end >= total_size:
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end = total_size
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total_size = end - start
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await fd.seek(start)
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res.write_status(206)
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else:
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end = total_size
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res.write_status(200)
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#tells the browser that we support ranges
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res.write_header(b'Accept-Ranges', b'bytes')
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res.write_header(b'Content-Range', 'bytes %d-%d/%d' % (start, end, total_size))
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while not res.aborted:
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buffer = await fd.read(16384) #16kb chunks
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(ok, done) = await res.send_chunk(buffer, total_size)
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if not ok or done: #if cannot send probably aborted
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break
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except Exception as error:
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print(str(error))
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res.write_status(500).end("Internal Error")
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req.for_each_header(lambda key,value: print("Header %s: %s" % (key, value)))
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res.end("Test")
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def run_app():
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app = App()
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@ -66,6 +66,9 @@ def json(res, req):
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async def sleepy_json(res, req):
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#get parameters, query, headers anything you need here before first await :)
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user_agent = req.get_header("user-agent")
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#get all headers
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req.for_each_header(lambda key,value: print("Header %s: %s" % (key, value)))
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#req maybe will not be available in direct attached async functions after await
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#but if you dont care about req info you can do it
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await asyncio.sleep(2) #do something async
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