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ULib/include/ulib/internal/chttp.h
stefanocasazza 424c0fc222 completion management dedicated server process
2015-02-04 19:45:56 +01:00

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C
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/* ============================================================================
*
* LIBRARY
* ULib - c++ library
*
* FILENAME
* chttp.h - HTTP definition for C binding
*
* AUTHOR
* Stefano Casazza
*
* ============================================================================ */
#ifndef ULIB_CHTTP_H
#define ULIB_CHTTP_H 1
/**
* -------------------------------------------------------------------------------------------------------
* _ _ _
* | |__ | |_| |_ _ __
* | '_ \| __| __| '_ \
* | | | | |_| |_| |_) |
* |_| |_|\__|\__| .__/
* |_|
*
* ---------------------------------------------------------------------------------------------------------
* HTTP message handler
*
* The status code is a three-digit integer, and the first digit identifies the general category of response
* ---------------------------------------------------------------------------------------------------------
*/
/* 1xx indicates an informational message only */
#define HTTP_CONTINUE 100
#define HTTP_SWITCH_PROT 101
#define HTTP_STATUS_102 102 /* "Processing" */
/* 2xx indicates success of some kind */
#define HTTP_OK 200
#define HTTP_CREATED 201
#define HTTP_ACCEPTED 202
#define HTTP_NOT_AUTHORITATIVE 203
#define HTTP_NO_CONTENT 204
#define HTTP_RESET 205
#define HTTP_PARTIAL 206
#define HTTP_STATUS_207 207 /* "Multi-Status" */
#define HTTP_OPTIONS_RESPONSE 222 /* only internal use, not standard */
/* 3xx redirects the client to another URL */
#define HTTP_MULT_CHOICE 300
#define HTTP_MOVED_PERM 301
#define HTTP_MOVED_TEMP 302
#define HTTP_FOUND 302
#define HTTP_SEE_OTHER 303
#define HTTP_NOT_MODIFIED 304
#define HTTP_USE_PROXY 305
#define HTTP_TEMP_REDIR 307
/* 4xx indicates an error on the client's part */
#define HTTP_BAD_REQUEST 400
#define HTTP_UNAUTHORIZED 401
#define HTTP_PAYMENT_REQUIRED 402
#define HTTP_FORBIDDEN 403
#define HTTP_NOT_FOUND 404
#define HTTP_BAD_METHOD 405
#define HTTP_NOT_ACCEPTABLE 406
#define HTTP_PROXY_AUTH 407
#define HTTP_CLIENT_TIMEOUT 408
#define HTTP_CONFLICT 409
#define HTTP_GONE 410
#define HTTP_LENGTH_REQUIRED 411
#define HTTP_PRECON_FAILED 412
#define HTTP_ENTITY_TOO_LARGE 413
#define HTTP_REQ_TOO_LONG 414
#define HTTP_UNSUPPORTED_TYPE 415
#define HTTP_REQ_RANGE_NOT_OK 416
#define HTTP_EXPECTATION_FAILED 417
#define HTTP_STATUS_418 418 /* "I'm a teapot" */
#define HTTP_UNPROCESSABLE_ENTITY 422
#define HTTP_STATUS_423 423 /* "Locked" */
#define HTTP_STATUS_424 424 /* "Failed Dependency" */
#define HTTP_STATUS_425 425 /* "Unordered Collection" */
#define HTTP_STATUS_426 426 /* "Upgrade Required" */
#define HTTP_PRECONDITION_REQUIRED 428
#define HTTP_TOO_MANY_REQUESTS 429
#define HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE 431
/* 5xx indicates an error on the server's part */
#define HTTP_INTERNAL_ERROR 500
#define HTTP_NOT_IMPLEMENTED 501
#define HTTP_BAD_GATEWAY 502
#define HTTP_UNAVAILABLE 503
#define HTTP_GATEWAY_TIMEOUT 504
#define HTTP_VERSION 505
#define HTTP_STATUS_506 506 /* "Variant Also Negotiates" */
#define HTTP_STATUS_507 507 /* "Insufficient Storage" */
#define HTTP_STATUS_509 509 /* "Bandwidth Limit Exceeded" */
#define HTTP_STATUS_510 510 /* "Not Extended" */
#define HTTP_NETWORK_AUTHENTICATION_REQUIRED 511
#define U_IS_HTTP_INFO(x) (((x)>=100)&&((x)<200)) /* is the status code informational */
#define U_IS_HTTP_SUCCESS(x) (((x)>=200)&&((x)<300)) /* is the status code OK ? */
#define U_IS_HTTP_REDIRECT(x) (((x)>=300)&&((x)<400)) /* is the status code a redirect */
#define U_IS_HTTP_ERROR(x) (((x)>=400)&&((x)<600)) /* is the status code a error (client or server) */
#define U_IS_HTTP_CLIENT_ERROR(x) (((x)>=400)&&((x)<500)) /* is the status code a client error */
#define U_IS_HTTP_SERVER_ERROR(x) (((x)>=500)&&((x)<600)) /* is the status code a server error */
#define U_IS_HTTP_VALID_RESPONSE(x) (((x)>=100)&&((x)<600)) /* is the status code a (potentially) valid response code ? */
/* should the status code drop the connection ? */
#define U_STATUS_DROPS_CONNECTION(x) \
(((x) == HTTP_MOVED_TEMP) || \
((x) == HTTP_BAD_REQUEST) || \
((x) == HTTP_CLIENT_TIMEOUT) || \
((x) == HTTP_LENGTH_REQUIRED) || \
((x) == HTTP_PRECON_FAILED) || \
((x) == HTTP_ENTITY_TOO_LARGE) || \
((x) == HTTP_REQ_TOO_LONG) || \
((x) == HTTP_INTERNAL_ERROR) || \
((x) == HTTP_UNAVAILABLE) || \
((x) == HTTP_NETWORK_AUTHENTICATION_REQUIRED) || \
((x) == HTTP_NOT_IMPLEMENTED))
/**
* HTTP header representation
*/
typedef struct uhttpinfo {
const char* uri;
const char* query;
const char* host;
const char* range;
const char* cookie;
const char* accept;
const char* referer;
const char* ip_client;
const char* user_agent;
const char* content_type;
const char* accept_language;
const char* websocket;
const char* http2_settings;
time_t if_modified_since;
uint16_t nResponseCode, cookie_len, referer_len, user_agent_len;
uint32_t startHeader, endHeader, szHeader, clength, uri_len, query_len, method_type;
unsigned char flag[16];
} uhttpinfo;
#define U_http_method_type u_http_info.method_type
/* NB: sizeof(struct uhttpinfo) 64bit == 160 - RESET ==> 56 */
#define U_http_user1 u_http_info.flag[ 0]
#define U_http_version u_http_info.flag[ 1]
#define U_http_host_len u_http_info.flag[ 2]
#define U_http_host_vlen u_http_info.flag[ 3]
#define U_http_range_len u_http_info.flag[ 4]
#define U_http_accept_len u_http_info.flag[ 5]
#define U_http_keep_alive u_http_info.flag[ 6]
#define U_http_method_num u_http_info.flag[ 7]
#define U_http_ip_client_len u_http_info.flag[ 8]
#define U_http_websocket_len u_http_info.flag[ 9]
#define U_http2_settings_len u_http_info.flag[10]
#define U_http_is_accept_gzip u_http_info.flag[11] /* NB: this position(11) is locked by mod_proxy (UHttpClient_Base::u_http_info_save)... */
#define U_http_content_type_len u_http_info.flag[12]
#define U_http_is_request_nostat u_http_info.flag[13]
#define U_http_accept_language_len u_http_info.flag[14]
#define U_http_is_apache_log_prepared u_http_info.flag[15]
enum HTTPMethodType {
/* request methods */
HTTP_GET = 0x00000001,
HTTP_HEAD = 0x00000002,
HTTP_POST = 0x00000004,
HTTP_PUT = 0x00000008,
HTTP_DELETE = 0x00000010,
HTTP_OPTIONS = 0x00000020,
/* pathological */
HTTP_TRACE = 0x00000040,
HTTP_CONNECT = 0x00000080,
/* webdav */
HTTP_COPY = 0x00000100,
HTTP_MOVE = 0x00000200,
HTTP_LOCK = 0x00000400,
HTTP_UNLOCK = 0x00000800,
HTTP_MKCOL = 0x00001000,
HTTP_SEARCH = 0x00002000,
HTTP_PROPFIND = 0x00004000,
HTTP_PROPPATCH = 0x00008000,
/* rfc-5789 */
HTTP_PATCH = 0x00010000,
HTTP_PURGE = 0x00020000,
/* subversion */
HTTP_MERGE = 0x00040000,
HTTP_REPORT = 0x00080000,
HTTP_CHECKOUT = 0x00100000,
HTTP_MKACTIVITY = 0x00200000,
/* upnp */
HTTP_NOTIFY = 0x00400000,
HTTP_MSEARCH = 0x00800000,
HTTP_SUBSCRIBE = 0x01000000,
HTTP_UNSUBSCRIBE = 0x02000000
};
typedef struct uhttpmethodtype {
const char* name;
uint32_t len;
} uhttpmethodtype;
#define U_HTTP_URI_TO_PARAM u_http_info.uri, u_http_info.uri_len
#define U_HTTP_URI_TO_TRACE u_http_info.uri_len, u_http_info.uri
#define U_HTTP_QUERY_TO_PARAM u_http_info.query, u_http_info.query_len
#define U_HTTP_QUERY_TO_TRACE u_http_info.query_len, u_http_info.query
#define U_HTTP_URI_QUERY_LEN (u_http_info.uri_len + u_http_info.query_len + (u_http_info.query_len ? 1 : 0))
#define U_HTTP_URI_QUERY_TO_PARAM u_http_info.uri, U_HTTP_URI_QUERY_LEN
#define U_HTTP_URI_QUERY_TO_TRACE U_HTTP_URI_QUERY_LEN, u_http_info.uri
#define U_HTTP_CTYPE_TO_PARAM u_http_info.content_type, U_http_content_type_len
#define U_HTTP_CTYPE_TO_TRACE U_http_content_type_len, u_http_info.content_type
#define U_HTTP_RANGE_TO_PARAM u_http_info.range, U_http_range_len
#define U_HTTP_RANGE_TO_TRACE U_http_range_len, u_http_info.range
#define U_HTTP_COOKIE_TO_PARAM u_http_info.cookie, u_http_info.cookie_len
#define U_HTTP_COOKIE_TO_TRACE u_http_info.cookie_len, u_http_info.cookie
#define U_HTTP_REFERER_TO_PARAM u_http_info.referer, u_http_info.referer_len
#define U_HTTP_REFERER_TO_TRACE u_http_info.referer_len, u_http_info.referer
#define U_HTTP2_SETTINGS_TO_PARAM u_http_info.http2_settings, U_http2_settings_len
#define U_HTTP2_SETTINGS_TO_TRACE U_http2_settings_len, u_http_info.http2_settings
#define U_HTTP_WEBSOCKET_TO_PARAM u_http_info.websocket, U_http_websocket_len
#define U_HTTP_WEBSOCKET_TO_TRACE U_http_websocket_len, u_http_info.websocket
#define U_HTTP_IP_CLIENT_TO_PARAM u_http_info.ip_client, U_http_ip_client_len
#define U_HTTP_IP_CLIENT_TO_TRACE U_http_ip_client_len, u_http_info.ip_client
#define U_HTTP_USER_AGENT_TO_PARAM u_http_info.user_agent, u_http_info.user_agent_len
#define U_HTTP_USER_AGENT_TO_TRACE u_http_info.user_agent_len, u_http_info.user_agent
#define U_HTTP_ACCEPT_TO_PARAM u_http_info.accept, U_http_accept_len
#define U_HTTP_ACCEPT_TO_TRACE U_http_accept_len, u_http_info.accept
#define U_HTTP_ACCEPT_LANGUAGE_TO_PARAM u_http_info.accept_language, U_http_accept_language_len
#define U_HTTP_ACCEPT_LANGUAGE_TO_TRACE U_http_accept_language_len, u_http_info.accept_language
#define U_HTTP_METHOD_TO_PARAM U_HTTP_METHOD_NUM_TO_PARAM(U_http_method_num)
#define U_HTTP_METHOD_TO_TRACE U_HTTP_METHOD_NUM_TO_TRACE(U_http_method_num)
#define U_HTTP_METHOD_NUM_TO_PARAM(num) u_http_method_list[num].name, u_http_method_list[num].len
#define U_HTTP_METHOD_NUM_TO_TRACE(num) u_http_method_list[num].len, u_http_method_list[num].name
/**
* The hostname of your server from header's request.
* The difference between U_HTTP_HOST_.. and U_HTTP_VHOST_.. is that
* U_HTTP_HOST_.. can include the <20>:PORT<52> text, and U_HTTP_VHOST_.. only the name
*/
#define U_HTTP_HOST_TO_PARAM u_http_info.host, U_http_host_len
#define U_HTTP_HOST_TO_TRACE U_http_host_len, u_http_info.host
#define U_HTTP_VHOST_TO_PARAM u_http_info.host, U_http_host_vlen
#define U_HTTP_VHOST_TO_TRACE U_http_host_vlen, u_http_info.host
#define U_HTTP_QUERY_MEMEQ(str) (u_http_info.query_len ? memcmp(u_http_info.query, U_CONSTANT_TO_PARAM(str)) == 0 : false)
#define U_HTTP_QUERY_STREQ(str) (u_http_info.query_len ? U_STREQ(u_http_info.query, u_http_info.query_len, str) : false)
#define U_HTTP_CTYPE_MEMEQ(str) (U_http_content_type_len ? memcmp(u_http_info.content_type, U_CONSTANT_TO_PARAM(str)) == 0 : false)
#define U_HTTP_CTYPE_STREQ(str) (U_http_content_type_len ? U_STREQ(u_http_info.content_type, U_http_content_type_len, str) : false)
#define U_HTTP_URI_STREQ(str) U_STREQ(u_http_info.uri, u_http_info.uri_len, str)
#define U_HTTP_HOST_STREQ(str) (U_http_host_len ? U_STREQ(u_http_info.host, U_http_host_len, str) : false)
#define U_HTTP_QUERY_STREQ(str) (u_http_info.query_len ? U_STREQ(u_http_info.query, u_http_info.query_len, str) : false)
#define U_HTTP_REFERER_STREQ(str) (u_http_info.referer_len ? U_STREQ(u_http_info.referer, u_http_info.referer_len, str) : false)
#define U_HTTP_USER_AGENT_STREQ(str) (u_http_info.user_agent_len ? U_STREQ(u_http_info.user_agent, u_http_info.user_agent_len, str) : false)
#define U_ClientImage_state u_clientimage_flag.c[0]
#define U_ClientImage_close u_clientimage_flag.c[1]
#define U_ClientImage_request u_clientimage_flag.c[2]
#define U_ClientImage_pipeline u_clientimage_flag.c[3]
#define U_ClientImage_data_missing u_clientimage_flag.c[4]
#define U_ClientImage_parallelization u_clientimage_flag.c[5]
#ifdef __cplusplus
extern "C" {
#endif
extern U_EXPORT uhttpinfo u_http_info;
extern U_EXPORT union uucflag64 u_clientimage_flag;
extern U_EXPORT const uhttpmethodtype u_http_method_list[26];
#ifdef __cplusplus
}
#endif
#define U_HTTP_INFO_INIT(c) (void)U_SYSCALL(memset,"%p,%d,%u",&u_http_info, c,sizeof(uhttpinfo))
#define U_HTTP_INFO_RESET(c) (void)U_SYSCALL(memset,"%p,%d,%u",&u_http_info.if_modified_since,c,sizeof(uhttpinfo)-offsetof(uhttpinfo,if_modified_since))
#endif
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