diff options
Diffstat (limited to 'tinySIP/ragel/tsip_parser_header_Contact.rl')
| -rw-r--r-- | tinySIP/ragel/tsip_parser_header_Contact.rl | 256 |
1 files changed, 256 insertions, 0 deletions
diff --git a/tinySIP/ragel/tsip_parser_header_Contact.rl b/tinySIP/ragel/tsip_parser_header_Contact.rl new file mode 100644 index 0000000..07571a9 --- /dev/null +++ b/tinySIP/ragel/tsip_parser_header_Contact.rl @@ -0,0 +1,256 @@ +/* +* Copyright (C) 2010-2011 Mamadou Diop. +* +* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]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_header_Contact.c + * @brief SIP Contact/m header. + * + * @author Mamadou Diop <diopmamadou(at)doubango[dot]org> + * + + */ +#include "tinysip/headers/tsip_header_Contact.h" + +#include "tinysip/parsers/tsip_parser_uri.h" + +#include "tsk_debug.h" +#include "tsk_memory.h" + + + +/*********************************** +* Ragel state machine. +*/ +%%{ + machine tsip_machine_parser_header_Contact; + + # Includes + include tsip_machine_utils "./ragel/tsip_machine_utils.rl"; + + action tag{ + tag_start = p; + } + + action create_contact{ + if(!curr_contact){ + curr_contact = tsip_header_Contact_create(); + } + } + + action parse_display_name{ + if(curr_contact){ + TSK_PARSER_SET_STRING(curr_contact->display_name); + tsk_strunquote(&curr_contact->display_name); + } + } + + action parse_uri{ + if(curr_contact && !curr_contact->uri){ + int len = (int)(p - tag_start); + if((curr_contact->uri = tsip_uri_parse(tag_start, (tsk_size_t)len)) && curr_contact->display_name){ + curr_contact->uri->display_name = tsk_strdup(curr_contact->display_name); + } + } + } + + action parse_expires{ + if(curr_contact){ + TSK_PARSER_SET_INTEGER(curr_contact->expires); + } + } + + action parse_param{ + if(curr_contact){ + TSK_PARSER_ADD_PARAM(TSIP_HEADER_PARAMS(curr_contact)); + } + } + + action add_contact{ + if(curr_contact){ + tsk_list_push_back_data(hdr_contacts, ((void**) &curr_contact)); + } + } + + action eob{ + } + + URI = (scheme HCOLON any+)>tag %parse_uri; + display_name = (( token LWS )+ | quoted_string)>tag %parse_display_name; + my_name_addr = display_name? :>LAQUOT<: URI :>RAQUOT; + + c_p_expires = "expires"i EQUAL delta_seconds>tag %parse_expires; + contact_extension = (generic_param)>tag %parse_param; + contact_params = c_p_expires@1 | contact_extension@0; + contact_param = ( (my_name_addr | URI) :> (SEMI contact_params)* ) >create_contact %add_contact; + Contact = ( "Contact"i | "m"i ) HCOLON ( STAR | ( contact_param ( COMMA contact_param )* ) ); + + # Entry point + main := Contact :>CRLF @eob; + +}%% + + +tsip_header_Contact_t* tsip_header_Contact_create() +{ + return tsk_object_new(tsip_header_Contact_def_t); +} + +int tsip_header_Contact_serialize(const tsip_header_t* header, tsk_buffer_t* output) +{ + if(header){ + const tsip_header_Contact_t *Contact = (const tsip_header_Contact_t *)header; + int ret = 0; + + /* Uri with hacked display-name*/ + if((ret = tsip_uri_serialize(Contact->uri, tsk_true, tsk_true, output))){ + return ret; + } + + /* Expires */ + if(Contact->expires >=0){ + tsk_buffer_append_2(output, ";expires=%lld", Contact->expires); + } + + return ret; + } + + return -1; +} + + +tsip_header_Contacts_L_t *tsip_header_Contact_parse(const char *data, tsk_size_t size) +{ + int cs = 0; + const char *p = data; + const char *pe = p + size; + const char *eof = pe; + tsip_header_Contacts_L_t *hdr_contacts = tsk_list_create(); + + const char *tag_start = tsk_null; + tsip_header_Contact_t *curr_contact = 0; + + %%write data; + (void)(eof); + (void)(tsip_machine_parser_header_Contact_first_final); + (void)(tsip_machine_parser_header_Contact_error); + (void)(tsip_machine_parser_header_Contact_en_main); + %%write init; + %%write exec; + + if( cs < %%{ write first_final; }%% ){ + TSK_DEBUG_ERROR("Failed to parse SIP 'Contact' header."); + TSK_OBJECT_SAFE_FREE(curr_contact); + TSK_OBJECT_SAFE_FREE(hdr_contacts); + } + + return hdr_contacts; +} + + + + +//======================================================== +// Contact header object definition +// + +static tsk_object_t* tsip_header_Contact_ctor(tsk_object_t *self, va_list * app) +{ + tsip_header_Contact_t *Contact = self; + if(Contact){ + TSIP_HEADER(Contact)->type = tsip_htype_Contact; + TSIP_HEADER(Contact)->serialize = tsip_header_Contact_serialize; + Contact->expires = -1; + } + else{ + TSK_DEBUG_ERROR("Failed to create new Contact header."); + } + return self; +} + +static tsk_object_t* tsip_header_Contact_dtor(tsk_object_t *self) +{ + tsip_header_Contact_t *Contact = self; + if(Contact){ + TSK_FREE(Contact->display_name); + TSK_OBJECT_SAFE_FREE(Contact->uri); + + TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(Contact)); + } + else{ + TSK_DEBUG_ERROR("Null Contact header."); + } + + return self; +} + +static const tsk_object_def_t tsip_header_Contact_def_s = +{ + sizeof(tsip_header_Contact_t), + tsip_header_Contact_ctor, + tsip_header_Contact_dtor, + tsk_null +}; +const tsk_object_def_t *tsip_header_Contact_def_t = &tsip_header_Contact_def_s; + + +////======================================================== +//// Contact object definition +//// +// +///**@ingroup tsip_header_Contact_group +//*/ +//static tsk_object_t* tsip_contact_ctor(tsk_object_t *self, va_list * app) +//{ +// tsip_contact_t *contact = self; +// if(contact) +// { +// contact->expires = -1; +// } +// else +// { +// TSK_DEBUG_ERROR("Failed to create new Contact object."); +// } +// return self; +//} +// +//static tsk_object_t* tsip_contact_dtor(tsk_object_t *self) +//{ +// tsip_contact_t *contact = self; +// if(contact) +// { +// TSK_FREE(contact->display_name); +// TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(contact)); +// +// TSK_OBJECT_SAFE_FREE(contact->uri); +// } +// else TSK_DEBUG_ERROR("Null Contact object."); +// +// return self; +//} +// +//static const tsk_object_def_t tsip_contact_def_s = +//{ +// sizeof(tsip_contact_t), +// tsip_contact_ctor, +// tsip_contact_dtor, +// 0 +//}; +//const void *tsip_contact_def_t = &tsip_contact_def_s; |
