doubango/tinySIP/include/tinysip/tsip_message.h
c732d49e
 /*
 * Copyright (C) 2017, University of the Basque Country (UPV/EHU)
 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.org>
 *
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * DOUBANGO is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with DOUBANGO.
 *
 */
 
 /**@file tsip_message.h
  * @brief Represents a SIP message. A SIP message is either a request from a client to a server, or a
  * response from a server to a client. See RFC 3261 suc-bclause 7.
  *
  * @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
  *
 
  */
 #ifndef TSIP_MESSAGE_H
 #define TSIP_MESSAGE_H
 
 #include "tinysip_config.h"
 
 #include "tinysip/tsip_message_common.h"
 
 #include "tinysip/headers/tsip_header_Call_ID.h"
 #include "tinysip/headers/tsip_header_Contact.h"
 #include "tinysip/headers/tsip_header_Content_Length.h"
 #include "tinysip/headers/tsip_header_Content_Type.h"
 #include "tinysip/headers/tsip_header_CSeq.h"
 #include "tinysip/headers/tsip_header_Expires.h"
 #include "tinysip/headers/tsip_header_From.h"
 #include "tinysip/headers/tsip_header_P_Access_Network_Info.h"
 #include "tinysip/headers/tsip_header_To.h"
 #include "tinysip/headers/tsip_header_Via.h"
 
 #include "tnet_types.h"
 #include "tnet_socket.h"
 
 #include "tsk_object.h"
 #include "tsk_buffer.h"
 
 TSIP_BEGIN_DECLS
 
 ///**
 // * @struct	tsip_request_line_t
 // *
 // * @brief	Defines SIP request header line. 
 // * ABNF: Request-Line  =  Method SP Request-URI SP SIP-Version CRLF 
 // * Ref: RFC 3261 subclause 7.1.
 // * @sa		tsip_status_line_t.
 // *
 // * @author	Mamadou
 // * @date	12/3/2009
 //**/
 //typedef struct tsip_request_line_s
 //{
 //	char *method; /**< SIP method name. e.g REGISTER, ACK or INVITE.*/
 //	tsip_uri_t *uri;	/**< The Request-URI is a SIP or SIPS URI as described in Section 19.1 or a general URI (RFC 2396 [5]).  It indicates
 //           the user or service to which this request is being addressed. The Request-URI MUST NOT contain unescaped spaces or control
 //           characters and MUST NOT be enclosed in "<>". */
 //}
 //tsip_request_line_t;
 //
 ///**
 // * @struct	tsip_status_line_t
 // *
 // * @brief	Defines SIP response status line. 
 // * ABNF: Status-Line  =  SIP-Version SP Status-Code SP Reason-Phrase CRLF 
 // * Ref: RFC 3261 subclause 7.2. 
 // * @sa		tsip_request_line_t.
 // *
 // * @author	Mamadou
 // * @date	12/3/2009
 //**/
 //typedef struct tsip_status_line_s
 //{
 //	short status_code; /**< 3-digit integer result code that indicates the outcome of an attempt to understand and satisfy a request. */
 //	char *reason_phrase; /**< Textual description related to the status code. */
 //}
 //tsip_status_line_t;
 
 /**
  * @struct	tsip_message_t
  *
  * @brief	Represents a SIP message. A SIP message is either a request from a client to a server,
  * 			or a response from a server to a client. See RFC 3261 suc-bclause 7. 
  *			You must call @ref tsip_message_create to create a sip message and TSK_OBJECT_SAFE_FREE to free the message.
  *
  * @author	Mamadou
  * @date	12/2/2009
 **/
 typedef struct tsip_message_s
 {
 	TSK_DECLARE_OBJECT;
 	
 	char *sip_version; /**< The SIP version. Only 'SIP/2.0' is supported. */
 	tsip_message_type_t type; /**< The type of this SIP message. */
 
 	/* Request Line */
 	union{
 		struct{
 			char *method; /**< SIP method name. e.g REGISTER, ACK or INVITE.*/
 			tsip_uri_t *uri;	/**< The Request-URI is a SIP or SIPS URI as described in Section 19.1 or a general URI (RFC 2396 [5]).  It indicates
 				   the user or service to which this request is being addressed. The Request-URI MUST NOT contain unescaped spaces or control
 				   characters and MUST NOT be enclosed in "<>". */
 			tsip_request_type_t request_type;
 		} request;
 		struct{
 			short status_code; /**< 3-digit integer result code that indicates the outcome of an attempt to understand and satisfy a request. */
 			char *reason_phrase; /**< Textual description related to the status code. */
 		} response;
 	} line;
 	
 	
 	/*== MOST COMMON HEADERS. */
 	tsip_header_Via_t *firstVia; /**< First Via header. */
 	tsip_header_From_t *From;
 	tsip_header_To_t *To;
 	tsip_header_Contact_t *Contact;
 	tsip_header_Call_ID_t *Call_ID;
 	tsip_header_CSeq_t *CSeq;
 	tsip_header_Expires_t *Expires;
 
 	tsip_header_Content_Type_t *Content_Type;
 	tsip_header_Content_Length_t *Content_Length;
 	tsk_buffer_t *Content;
 
175b478c
 
c732d49e
 	/*== OTHER HEADERS*/
 	tsip_headers_L_t *headers;
 
 	/*== to hack the message */
 	char* sigcomp_id;
 	tnet_fd_t local_fd;
 	struct sockaddr_storage remote_addr; // Only valid for Dgram
 	tsk_bool_t update;
 	enum tnet_socket_type_e src_net_type;
 	enum tnet_socket_type_e dst_net_type;
 	char* dst_address;
 	tnet_port_t dst_port;
 }
 tsip_message_t;
 
 typedef tsip_message_t tsip_request_t; /**< SIP request message. */
 typedef tsip_message_t tsip_response_t; /**< SIP response message. */
 
 
 TINYSIP_API int	tsip_message_add_header(tsip_message_t *self, const tsip_header_t *hdr);
 TINYSIP_API int tsip_message_add_headers(tsip_message_t *self, ...);
 TINYSIP_API int tsip_message_add_content(tsip_message_t *self, const char* content_type, const void* content, tsk_size_t size);
 
 #if defined(__SYMBIAN32__) && 0
 static void TSIP_MESSAGE_ADD_HEADER(tsip_message_t *self, ...)
 	{
 		va_list ap;
 		tsip_header_t *header;
 		const tsk_object_def_t *objdef;
 		
 		va_start(ap, self);
 		objdef = va_arg(ap, const tsk_object_def_t*);
 		header = (tsip_header_t *)tsk_object_new_2(objdef, &ap);
 		va_end(ap);
 
 		tsip_message_add_header(self, header);
 		tsk_object_unref(header);
 	}
 #else
 #define TSIP_MESSAGE_ADD_HEADER(self, objdef, ...)										\
 	{																					\
 		tsip_header_t *header = (tsip_header_t *)tsk_object_new(objdef, ##__VA_ARGS__);	\
 		tsip_message_add_header(self, header);											\
 		tsk_object_unref(header);														\
 	}
 #endif
 
 TINYSIP_API const tsip_header_t *tsip_message_get_headerAt(const tsip_message_t *self, tsip_header_type_t type, tsk_size_t index);
 TINYSIP_API const tsip_header_t *tsip_message_get_headerLast(const tsip_message_t *self, tsip_header_type_t type);
 TINYSIP_API const tsip_header_t *tsip_message_get_header(const tsip_message_t *self, tsip_header_type_t type);
 TINYSIP_API tsk_bool_t tsip_message_allowed(const tsip_message_t *self, const char* method);
 TINYSIP_API tsk_bool_t tsip_message_supported(const tsip_message_t *self, const char* option);
 TINYSIP_API tsk_bool_t tsip_message_required(const tsip_message_t *self, const char* option);
 
 
 
 TINYSIP_API int64_t		tsip_message_getExpires(const tsip_message_t *message);
 TINYSIP_API uint32_t	tsip_message_getContent_length(const tsip_message_t *message);
 TINYSIP_API int32_t		tsip_message_getCSeq(const tsip_message_t *message);
 
 TINYSIP_API int tsip_message_tostring(const tsip_message_t *self, tsk_buffer_t *output);
 
 TINYSIP_API tsip_request_type_t tsip_request_get_type(const char* method);
 TINYSIP_API tsip_request_t *tsip_request_new(const char* method, const tsip_uri_t *request_uri, const tsip_uri_t *from, const tsip_uri_t *to, const char *call_id, int32_t cseq);
 TINYSIP_API tsip_response_t *tsip_response_new(short status_code, const char* reason_phrase, const tsip_request_t *request);
 
 TINYSIP_API tsip_message_t* tsip_message_create();
 TINYSIP_API tsip_request_t* tsip_request_create(const char* method, const tsip_uri_t* uri);
 TINYSIP_API tsip_response_t* tsip_response_create(const tsip_request_t* request, short status_code, const char* reason_phrase);
 
 TINYSIP_GEXTERN const tsk_object_def_t *tsip_message_def_t;
 
 TSIP_END_DECLS
 
 #endif /* TSIP_MESSAGE_H */