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author | Mamadou DIOP <bossiel@yahoo.fr> | 2015-08-17 01:56:35 +0200 |
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committer | Mamadou DIOP <bossiel@yahoo.fr> | 2015-08-17 01:56:35 +0200 |
commit | 631fffee8a28b1bec5ed1f1d26a20e0135967f99 (patch) | |
tree | 74afe3bf3efe15aa82bcd0272b2b0f4d48c2d837 /tinySIP/ragel/tsip_parser_header_Referred_By.rl | |
parent | 7908865936604036e6f200f1b5e069f8752f3a3a (diff) | |
download | doubango-631fffee8a28b1bec5ed1f1d26a20e0135967f99.zip doubango-631fffee8a28b1bec5ed1f1d26a20e0135967f99.tar.gz |
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Diffstat (limited to 'tinySIP/ragel/tsip_parser_header_Referred_By.rl')
-rw-r--r-- | tinySIP/ragel/tsip_parser_header_Referred_By.rl | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/tinySIP/ragel/tsip_parser_header_Referred_By.rl b/tinySIP/ragel/tsip_parser_header_Referred_By.rl new file mode 100644 index 0000000..7e9334f --- /dev/null +++ b/tinySIP/ragel/tsip_parser_header_Referred_By.rl @@ -0,0 +1,207 @@ + +/* +* 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_Referred_By.c + * @brief SIP Referred-By header as per RFC 3892. + * + * @author Mamadou Diop <diopmamadou(at)doubango[dot]org> + * + + */ +#include "tinysip/headers/tsip_header_Referred_By.h" + +#include "tinysip/parsers/tsip_parser_uri.h" + +#include "tsk_debug.h" +#include "tsk_memory.h" + + + +/*********************************** +* Ragel state machine. +*/ +%%{ + machine tsip_machine_parser_header_Referred_By; + + # Includes + include tsip_machine_utils "./ragel/tsip_machine_utils.rl"; + + action tag{ + tag_start = p; + } + + action parse_uri{ + if(!r_by->uri) /* Only one URI */{ + int len = (int)(p - tag_start); + if(r_by && !r_by->uri){ + if((r_by->uri = tsip_uri_parse(tag_start, (tsk_size_t)len)) && r_by->display_name){ + r_by->uri->display_name = tsk_strdup(r_by->display_name); + } + } + } + } + + action parse_display_name{ + if(!r_by->display_name){ + TSK_PARSER_SET_STRING(r_by->display_name); + tsk_strunquote(&r_by->display_name); + } + } + + action parse_cid{ + TSK_PARSER_SET_STRING(r_by->cid); + } + + action parse_param{ + TSK_PARSER_ADD_PARAM(TSIP_HEADER_PARAMS(r_by)); + } + + 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; + + referrer_uri = ( my_name_addr>0 | URI>1 ); + atom = ( alphanum | "-" | "!" | "%" | "*" | "_" | "+" | "'" | "`" | "~" )+; + dot_atom = atom ( "." atom )*; + sip_clean_msg_id = LDQUOT dot_atom "@" ( dot_atom | host ) RDQUOT; + referredby_id_param = "cid"i EQUAL sip_clean_msg_id>tag %parse_cid; + Referred_By = ( "Referred-By"i | "b"i ) HCOLON referrer_uri ( SEMI ( referredby_id_param | generic_param>tag %parse_param ) )*; + + # Entry point + main := Referred_By :>CRLF @eob; +}%% + + +tsip_header_Referred_By_t* tsip_header_Referred_By_create(const tsip_uri_t* uri, const char* cid) +{ + return tsk_object_new(TSIP_HEADER_REFERRED_BY_VA_ARGS(uri, cid)); +} + +tsip_header_Referred_By_t* tsip_header_Referred_By_create_null() +{ + return tsip_header_Referred_By_create(tsk_null, tsk_null); +} + +int tsip_header_Referred_By_serialize(const tsip_header_t* header, tsk_buffer_t* output) +{ + if(header){ + int ret; + const tsip_header_Referred_By_t *Referred_By = (const tsip_header_Referred_By_t *)header; + + /* Uri with hacked display-name*/ + if((ret = tsip_uri_serialize(Referred_By->uri, tsk_true, tsk_true, output))){ + return ret; + } + /* cid */ + if(Referred_By->cid && (ret = tsk_buffer_append_2(output, ";cid=%s", Referred_By->cid))){ + return ret; + } + return ret; + } + return -1; +} + +tsip_header_Referred_By_t *tsip_header_Referred_By_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_Referred_By_t *r_by = tsip_header_Referred_By_create_null(); + + const char *tag_start = tsk_null; + + %%write data; + (void)(eof); + (void)(tsip_machine_parser_header_Referred_By_first_final); + (void)(tsip_machine_parser_header_Referred_By_error); + (void)(tsip_machine_parser_header_Referred_By_en_main); + %%write init; + %%write exec; + + if( cs < %%{ write first_final; }%% ){ + TSK_DEBUG_ERROR("Failed to parse 'Referred-By' header."); + TSK_OBJECT_SAFE_FREE(r_by); + } + + return r_by; +} + + + + + + + +//======================================================== +// Referred_By header object definition +// + +static tsk_object_t* tsip_header_Referred_By_ctor(tsk_object_t *self, va_list * app) +{ + tsip_header_Referred_By_t *Referred_By = self; + if(Referred_By){ + const tsip_uri_t* uri = va_arg(*app, const tsip_uri_t*); + const char* cid = va_arg(*app, const char*); + + TSIP_HEADER(Referred_By)->type = tsip_htype_Referred_By; + TSIP_HEADER(Referred_By)->serialize = tsip_header_Referred_By_serialize; + + Referred_By->uri = tsk_object_ref((void*)uri); + Referred_By->cid = tsk_strdup(cid); + } + else{ + TSK_DEBUG_ERROR("Failed to create new Referred_By header."); + } + return self; +} + +static tsk_object_t* tsip_header_Referred_By_dtor(tsk_object_t *self) +{ + tsip_header_Referred_By_t *Referred_By = self; + if(Referred_By){ + TSK_FREE(Referred_By->display_name); + TSK_OBJECT_SAFE_FREE(Referred_By->uri); + TSK_FREE(Referred_By->cid); + + TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(Referred_By)); + } + else{ + TSK_DEBUG_ERROR("Null Referred_By header."); + } + + return self; +} + +static const tsk_object_def_t tsip_header_Referred_By_def_s = +{ + sizeof(tsip_header_Referred_By_t), + tsip_header_Referred_By_ctor, + tsip_header_Referred_By_dtor, + tsk_null +}; +const tsk_object_def_t *tsip_header_Referred_By_def_t = &tsip_header_Referred_By_def_s; + |