crow Namespace Reference

The main namespace of the library. In this namespace is defined the most important classes and functions of the library. More...

Namespaces
namespace	multipart
	Encapsulates anything related to processing and organizing multipart/xyz messages.
namespace	websocket
	Namespace that includes the Connection class and connection struct. Useful for WebSockets connection.

Classes
class	BaseRule
	A base class for all rules. More...
class	Blueprint
	A blueprint can be considered a smaller section of a Crow app, specifically where the router is conecerned. More...
class	CatchallRule
class	CerrLogHandler
struct	ci_hash
	Hashing function for ci_map (unordered_multimap). More...
struct	ci_key_eq
	Equals function for ci_map (unordered_multimap). More...
class	Connection
	An HTTP connection. More...
struct	CookieParser
struct	CORSHandler
	CORSHandler is a global middleware for setting CORS headers. More...
struct	CORSRules
	Used for tuning CORS policies. More...
class	Crow
	The main server application class. More...
class	DynamicRule
	A rule that can change its parameters during runtime. More...
struct	FileStore
struct	http_parser
struct	http_parser_settings
struct	HTTPParser
	A wrapper for nodejs/http-parser. More...
struct	ILocalMiddleware
	Local middleware should extend ILocalMiddleware. More...
class	ILogHandler
struct	InMemoryStore
	InMemoryStore stores all entries in memory. More...
class	logger
class	query_string
	A class to represent any data coming after the ? in the request URL into key-value pairs. More...
struct	request
	An HTTP request. More...
struct	response
	HTTP response. More...
struct	returnable
	An abstract class that allows any other class to be returned by a handler. More...
class	Router
	Handles matching requests to existing rules and upgrade requests. More...
struct	routing_handle_result
struct	RuleParameterTraits
	Allows the user to assign parameters using functions. More...
class	Server
struct	SessionMiddleware
struct	SocketAdaptor
	A wrapper for the asio::ip::tcp::socket and asio::ssl::stream. More...
struct	SSLAdaptor
class	TaggedRule
	Default rule created when CROW_ROUTE is called. More...
class	Trie
	A search tree. More...
struct	UTF8
class	WebSocketRule
	A rule dealing with websockets. More...

Typedefs
using	ssl_context_t = asio::ssl::context
template<typename... Middlewares>
using	App = Crow< Middlewares... >
	Alias of Crow<Middlewares...>. Useful if you want a instance of an Crow application that require Middlewares.
using	SimpleApp = Crow<>
	Alias of Crow<>. Useful if you want a instance of an Crow application that doesn't require of Middlewares.
using	ci_map = std::unordered_multimap< std::string, std::string, ci_hash, ci_key_eq >
using	error_code = asio::error_code
using	tcp = asio::ip::tcp
typedef struct http_parser	http_parser
typedef struct http_parser_settings	http_parser_settings
typedef int(*	http_data_cb) (http_parser *, const char *at, size_t length)
typedef int(*	http_cb) (http_parser *)

Enumerations
enum class	HTTPMethod : char {   DELETE = 0 , GET , HEAD , POST ,   PUT , CONNECT , OPTIONS , TRACE ,   PATCH , PURGE , COPY , LOCK ,   MKCOL , MOVE , PROPFIND , PROPPATCH ,   SEARCH , UNLOCK , BIND , REBIND ,   UNBIND , ACL , REPORT , MKACTIVITY ,   CHECKOUT , MERGE , MSEARCH , NOTIFY ,   SUBSCRIBE , UNSUBSCRIBE , MKCALENDAR , LINK ,   UNLINK , SOURCE , Delete = 0 , Get ,   Head , Post , Put , Connect ,   Options , Trace , Patch , Purge ,   Copy , Lock , MkCol , Move ,   Propfind , Proppatch , Search , Unlock ,   Bind , Rebind , Unbind , Acl ,   Report , MkActivity , Checkout , Merge ,   MSearch , Notify , Subscribe , Unsubscribe ,   MkCalendar , Link , Unlink , Source ,   InternalMethodCount }
enum	status {   CONTINUE = 100 , SWITCHING_PROTOCOLS = 101 , OK = 200 , CREATED = 201 ,   ACCEPTED = 202 , NON_AUTHORITATIVE_INFORMATION = 203 , NO_CONTENT = 204 , RESET_CONTENT = 205 ,   PARTIAL_CONTENT = 206 , MULTIPLE_CHOICES = 300 , MOVED_PERMANENTLY = 301 , FOUND = 302 ,   SEE_OTHER = 303 , NOT_MODIFIED = 304 , TEMPORARY_REDIRECT = 307 , PERMANENT_REDIRECT = 308 ,   BAD_REQUEST = 400 , UNAUTHORIZED = 401 , FORBIDDEN = 403 , NOT_FOUND = 404 ,   METHOD_NOT_ALLOWED = 405 , NOT_ACCEPTABLE = 406 , PROXY_AUTHENTICATION_REQUIRED = 407 , CONFLICT = 409 ,   GONE = 410 , PAYLOAD_TOO_LARGE = 413 , UNSUPPORTED_MEDIA_TYPE = 415 , RANGE_NOT_SATISFIABLE = 416 ,   EXPECTATION_FAILED = 417 , PRECONDITION_REQUIRED = 428 , TOO_MANY_REQUESTS = 429 , UNAVAILABLE_FOR_LEGAL_REASONS = 451 ,   INTERNAL_SERVER_ERROR = 500 , NOT_IMPLEMENTED = 501 , BAD_GATEWAY = 502 , SERVICE_UNAVAILABLE = 503 ,   GATEWAY_TIMEOUT = 504 , VARIANT_ALSO_NEGOTIATES = 506 }
enum class	ParamType : char {   INT , UINT , DOUBLE , STRING ,   PATH , MAX }
enum	http_connection_flags {   F_CHUNKED = 1 << 0 , F_CONNECTION_KEEP_ALIVE = 1 << 1 , F_CONNECTION_CLOSE = 1 << 2 , F_TRAILING = 1 << 3 ,   F_UPGRADE = 1 << 4 , F_SKIPBODY = 1 << 5 , F_CONTENTLENGTH = 1 << 6 }
enum	http_errno
enum	state {   s_dead = 1 , s_start_req , s_req_method , s_req_spaces_before_url ,   s_req_schema , s_req_schema_slash , s_req_schema_slash_slash , s_req_server_start ,   s_req_server , s_req_server_with_at , s_req_path , s_req_query_string_start ,   s_req_query_string , s_req_http_start , s_req_http_H , s_req_http_HT ,   s_req_http_HTT , s_req_http_HTTP , s_req_http_I , s_req_http_IC ,   s_req_http_major , s_req_http_dot , s_req_http_minor , s_req_http_end ,   s_req_line_almost_done , s_header_field_start , s_header_field , s_header_value_discard_ws ,   s_header_value_discard_ws_almost_done , s_header_value_discard_lws , s_header_value_start , s_header_value ,   s_header_value_lws , s_header_almost_done , s_chunk_size_start , s_chunk_size ,   s_chunk_parameters , s_chunk_size_almost_done , s_headers_almost_done , s_headers_done ,   s_chunk_data , s_chunk_data_almost_done , s_chunk_data_done , s_body_identity ,   s_body_identity_eof , s_message_done }
enum	header_states {   h_general = 0 , h_C , h_CO , h_CON ,   h_matching_connection , h_matching_proxy_connection , h_matching_content_length , h_matching_transfer_encoding ,   h_matching_upgrade , h_connection , h_content_length , h_content_length_num ,   h_content_length_ws , h_transfer_encoding , h_upgrade , h_matching_transfer_encoding_token_start ,   h_matching_transfer_encoding_chunked , h_matching_transfer_encoding_token , h_matching_connection_keep_alive , h_matching_connection_close ,   h_transfer_encoding_chunked , h_connection_keep_alive , h_connection_close }
enum	http_host_state {   s_http_host_dead = 1 , s_http_userinfo_start , s_http_userinfo , s_http_host_start ,   s_http_host_v6_start , s_http_host , s_http_host_v6 , s_http_host_v6_end ,   s_http_host_v6_zone_start , s_http_host_v6_zone , s_http_host_port_start , s_http_host_port }
enum class	LogLevel {   DEBUG = 0 , INFO , WARNING , ERROR ,   CRITICAL , Debug = 0 , Info , Warning ,   Error , Critical }

Functions
const std::string	crlf ("\r\n")
std::string	method_name (HTTPMethod method)
enum state	parse_url_char (enum state s, const char ch, http_parser *parser, const char *url_mark, const char *p)
size_t	http_parser_execute (http_parser *parser, const http_parser_settings *settings, const char *data, size_t len)
void	http_parser_init (http_parser *parser)
const char *	http_errno_name (enum http_errno err)
const char *	http_errno_description (enum http_errno err)
int	http_body_is_final (const struct http_parser *parser)
void	http_parser_set_max_header_size (uint32_t size)
template<typename T >
const std::string &	get_header_value (const T &headers, const std::string &key)
	Find and return the value associated with the key. (returns an empty string if nothing is found)
int	qs_strncmp (const char *s, const char *qs, size_t n)
size_t	qs_parse (char *qs, char *qs_kv[], size_t qs_kv_size, bool parse_url)
int	qs_decode (char *qs)
char *	qs_k2v (const char *key, char *const *qs_kv, size_t qs_kv_size, int nth)
char *	qs_scanvalue (const char *key, const char *qs, char *val, size_t val_len)
std::unique_ptr< std::pair< std::string, std::string > >	qs_dict_name2kv (const char *dict_name, char *const *qs_kv, size_t qs_kv_size, int nth=0)

Variables
const char	cr = '\r'
const char	lf = '\n'
constexpr const char *	method_strings []
const std::unordered_map< std::string, std::string >	mime_types
constexpr const uint16_t	INVALID_BP_ID {((uint16_t)-1)}
const int	RULE_SPECIAL_REDIRECT_SLASH = 1
constexpr const char	VERSION [] = "master"

Detailed Description

The main namespace of the library. In this namespace is defined the most important classes and functions of the library.

Within this namespace, the Crow class, Router class, Connection class, and other are defined.