t_msgbuilder.c File Reference

TM :: Message printing. More...

#include "../../hash_func.h"
#include "../../dprint.h"
#include "../../parser/parser_f.h"
#include "../../ut.h"
#include "../../parser/msg_parser.h"
#include "../../parser/contact/parse_contact.h"
#include "t_funcs.h"
#include "t_msgbuilder.h"
#include "uac.h"

Include dependency graph for t_msgbuilder.c:

Go to the source code of this file.

Data Structures

struct rte

Defines

#define GET_CSEQ()

#define LC(_cp)   ((*(_cp))|0x20)

#define LOCAL_MAXFWD_HEADER   "Max-Forwards: " LOCAL_MAXFWD_VALUE CRLF

#define LOCAL_MAXFWD_HEADER_LEN   (sizeof(LOCAL_MAXFWD_HEADER) - 1)

#define ROUTE_PREFIX   "Route: "

#define ROUTE_PREFIX_LEN   (sizeof(ROUTE_PREFIX) - 1)

#define ROUTE_SEPARATOR   ", "

#define ROUTE_SEPARATOR_LEN   (sizeof(ROUTE_SEPARATOR) - 1)

#define SET_FOUND(_new_state)

Functions

static int assemble_via (str *dest, struct cell *t, struct socket_info *sock, int branch)

char * build_dlg_ack (struct sip_msg *rpl, struct cell *Trans, unsigned int branch, str *to, unsigned int *len)

char * build_local (struct cell *Trans, unsigned int branch, unsigned int *len, char *method, int method_len, str *uas_to)

char * build_uac_cancel (str *headers, str *body, struct cell *cancelledT, unsigned int branch, unsigned int *len)

char * build_uac_req (str *method, str *headers, str *body, dlg_t *dialog, int branch, struct cell *t, int *len)

static int calc_routeset_len (struct rte *list, str *contact)

void check_hdrs_changes (struct sip_msg *msg)

Check if From/To/CSeq were altered and set approriate flags.

static int extract_hdrs (char *buf, int len, str *from, str *to, str *cseq)

static struct hdr_field * extract_parsed_hdrs (char *buf, int len)

static void free_rte_list (struct rte *list)

static int get_contact_uri (struct sip_msg *msg, str *uri)

static char * print_callid (char *w, dlg_t *dialog, struct cell *t)

char * print_callid_mini (char *target, str callid)

static int print_content_length (str *dest, str *body)

static char * print_cseq (char *w, str *cseq, str *method, struct cell *t)

char * print_cseq_mini (char *target, str *cseq, str *method)

static int print_cseq_num (str *_s, dlg_t *_d)

static char * print_from (char *w, dlg_t *dialog, struct cell *t)

static char * print_request_uri (char *w, str *method, dlg_t *dialog, struct cell *t, int branch)

static char * print_rs (char *p, struct rte *list, str *contact)

static char * print_to (char *w, dlg_t *dialog, struct cell *t)

static int process_routeset (struct sip_msg *msg, str *contact, struct rte **list, str *ruri, str *next_hop)

int t_calc_branch (struct cell *t, int b, char *branch, int *branch_len)

Detailed Description

TM :: Message printing.

Module: TM :: Stateful transaction handling

Definition in file t_msgbuilder.c.

Define Documentation

#define GET_CSEQ ( )

Definition at line 78 of file t_msgbuilder.c.

Referenced by extract_hdrs().

#define LC ( _cp ) ((*(_cp))|0x20)

Definition at line 68 of file t_msgbuilder.c.

Referenced by extract_hdrs().

#define LOCAL_MAXFWD_HEADER "Max-Forwards: " LOCAL_MAXFWD_VALUE CRLF

Definition at line 64 of file t_msgbuilder.c.

Referenced by build_local().

#define LOCAL_MAXFWD_HEADER_LEN (sizeof(LOCAL_MAXFWD_HEADER) - 1)

Definition at line 65 of file t_msgbuilder.c.

Referenced by build_local().

#define ROUTE_PREFIX "Route: "

Definition at line 58 of file t_msgbuilder.c.

#define ROUTE_PREFIX_LEN (sizeof(ROUTE_PREFIX) - 1)

Definition at line 59 of file t_msgbuilder.c.

#define ROUTE_SEPARATOR ", "

Definition at line 61 of file t_msgbuilder.c.

#define ROUTE_SEPARATOR_LEN (sizeof(ROUTE_SEPARATOR) - 1)

Definition at line 62 of file t_msgbuilder.c.

#define SET_FOUND ( _new_state )

Definition at line 69 of file t_msgbuilder.c.

Referenced by extract_hdrs().

Function Documentation

static int assemble_via	(	str *	dest,
		struct cell *	t,
		struct socket_info *	sock,
		int	branch
	)			`[inline, static]`

Definition at line 697 of file t_msgbuilder.c.

References _str::len, len, LM_ERR, MAX_BRANCH_PARAM_LEN, socket_info::proto, _str::s, set_hostport, t_calc_branch(), via_builder(), and via_len.

Referenced by build_uac_req().

char* build_dlg_ack	(	struct sip_msg *	rpl,
		struct cell *	Trans,
		unsigned int	branch,
		str *	to,
		unsigned int *	len
	)

Definition at line 533 of file t_msgbuilder.c.

References ACK, ACK_LEN, append_str, calc_routeset_len(), cell::callid, CONTENT_LENGTH, CONTENT_LENGTH_LEN, CRLF, CRLF_LEN, cell::cseq_n, retr_buf::dst, sip_msg::first_line, free_rte_list(), cell::from, get_contact_uri(), _str::len, LM_ERR, MAX_BRANCH_PARAM_LEN, pkg_free, print_rs(), process_routeset(), socket_info::proto, msg_start::reply, ua_client::request, _str::s, dest_info::send_sock, server_signature, set_hostport, shm_malloc(), SIP_VERSION, SIP_VERSION_LEN, t_calc_branch(), msg_start::u, cell::uac, ua_client::uri, user_agent_header, via_builder(), and via_len.

Referenced by send_ack().

char* build_local	(	struct cell *	Trans,
		unsigned int	branch,
		unsigned int *	len,
		char *	method,
		int	method_len,
		str *	uas_to
	)

Definition at line 221 of file t_msgbuilder.c.

References ACK_LEN, append_str, retr_buf::buffer, cell::callid, CONTENT_LENGTH, CONTENT_LENGTH_LEN, CRLF, CRLF_LEN, cell::cseq_n, retr_buf::dst, extract_hdrs(), extract_parsed_hdrs(), FL_USE_UAC_CSEQ, FL_USE_UAC_FROM, FL_USE_UAC_TO, free_hdr_field_lst(), cell::from, HDR_ROUTE_T, is_local, hdr_field::len, _str::len, LM_DBG, LM_ERR, LOCAL_MAXFWD_HEADER, LOCAL_MAXFWD_HEADER_LEN, MAX_BRANCH_PARAM_LEN, sip_msg::msg_flags, hdr_field::name, hdr_field::next, NULL, pkg_free, dest_info::proto, ua_client::request, ua_server::request, _str::s, dest_info::send_sock, server_signature, set_hostport, shm_malloc(), SIP_VERSION, SIP_VERSION_LEN, t_calc_branch(), hdr_field::type, cell::uac, cell::uas, ua_client::uri, user_agent_header, via_builder(), and via_len.

Referenced by build_cancel(), and send_ack().

char* build_uac_cancel	(	str *	headers,
		str *	body,
		struct cell *	cancelledT,
		unsigned int	branch,
		unsigned int *	len
	)

Definition at line 978 of file t_msgbuilder.c.

References append_str, cell::callid, CANCEL, CANCEL_LEN, CONTENT_LENGTH, CONTENT_LENGTH_LEN, CRLF, CRLF_LEN, cell::cseq_n, retr_buf::dst, cell::from, _str::len, LM_DBG, LM_ERR, MAX_BRANCH_PARAM_LEN, NULL, pkg_free, print_content_length(), dest_info::proto, ua_client::request, _str::s, dest_info::send_sock, server_signature, set_hostport, shm_malloc(), SIP_VERSION, SIP_VERSION_LEN, t_calc_branch(), cell::to, cell::uac, ua_client::uri, USER_AGENT, USER_AGENT_LEN, via_builder(), and via_len.

Referenced by t_uac_cancel().

char* build_uac_req	(	str *	method,
		str *	headers,
		str *	body,
		dlg_t *	dialog,
		int	branch,
		struct cell *	t,
		int *	len
	)

Definition at line 865 of file t_msgbuilder.c.

References append_str, assemble_via(), buf, calculate_routeset_length(), dlg_id::call_id, CALLID_LEN, CONTENT_LENGTH, CONTENT_LENGTH_LEN, CRLF, CRLF_LEN, CSEQ_LEN, FROM_LEN, FROMTAG_LEN, dlg::hooks, dlg::id, _str::len, LM_ERR, dlg::loc_dname, dlg_id::loc_tag, dlg::loc_uri, pkg_free, print_callid(), print_content_length(), print_cseq(), print_cseq_num(), print_from(), print_request_uri(), print_routeset(), print_to(), dlg::rem_dname, dlg_id::rem_tag, dlg::rem_uri, dlg_hooks::request_uri, _str::s, dlg::send_sock, server_signature, shm_malloc(), SIP_VERSION_LEN, TO_LEN, TOTAG_LEN, and user_agent_header.

Referenced by t_uac().

static int calc_routeset_len	(	struct rte *	list,
		str *	contact
	)			`[inline, static]`

Definition at line 436 of file t_msgbuilder.c.

References CRLF_LEN, _str::len, rr::len, rte::next, rte::ptr, ROUTE_PREFIX_LEN, and ROUTE_SEPARATOR_LEN.

Referenced by build_dlg_ack().

void check_hdrs_changes ( struct sip_msg * msg )

Check if From/To/CSeq were altered and set approriate flags.

Definition at line 1093 of file t_msgbuilder.c.

References sip_msg::add_rm, sip_msg::buf, sip_msg::cseq, FL_USE_UAC_CSEQ, FL_USE_UAC_FROM, FL_USE_UAC_TO, sip_msg::from, hdr_field::len, lump::len, LUMP_DEL, LUMP_NOP, sip_msg::msg_flags, hdr_field::name, lump::next, NULL, lump::offset, lump::op, _str::s, sip_msg::to, and lump::u.

Referenced by pre_print_uac_request(), run_failure_handlers(), and t_newtran().

static int extract_hdrs	(	char *	buf,
		int	len,
		str *	from,
		str *	to,
		str *	cseq
	)			`[static]`

Definition at line 86 of file t_msgbuilder.c.

References GET_CSEQ, LC, LM_CRIT, and SET_FOUND.

Referenced by build_local().

static struct hdr_field* extract_parsed_hdrs	(	char *	buf,
		int	len
	)			`[static, read]`

Definition at line 186 of file t_msgbuilder.c.

References sip_msg::buf, eat_line(), free_sip_msg(), HDR_EOH_F, sip_msg::headers, sip_msg::len, LM_DBG, parse_headers(), and sip_msg::unparsed.

Referenced by build_local().

static void free_rte_list ( struct rte * list ) [inline, static]

Definition at line 361 of file t_msgbuilder.c.

References rte::next, pkg_free, and rte::ptr.

Referenced by build_dlg_ack(), and process_routeset().

static int get_contact_uri	(	struct sip_msg *	msg,
		str *	uri
	)			`[inline, static]`

Definition at line 504 of file t_msgbuilder.c.

References sip_msg::contact, _str::len, LM_ERR, parse_contact(), hdr_field::parsed, and contact::uri.

static char* print_callid	(	char *	w,
		dlg_t *	dialog,
		struct cell *	t
	)			`[inline, static]`

Definition at line 850 of file t_msgbuilder.c.

References append_str, dlg_id::call_id, cell::callid, CALLID_LEN, CRLF, CRLF_LEN, dlg::id, _str::len, print_callid_mini(), and _str::s.

Referenced by build_uac_req().

char* print_callid_mini	(	char *	target,
		str	callid
	)

Definition at line 843 of file t_msgbuilder.c.

References append_str, CALLID, CALLID_LEN, CRLF, CRLF_LEN, _str::len, and _str::s.

Referenced by print_callid(), and t_lookup_callid().

static int print_content_length	(	str *	dest,
		str *	body
	)			`[inline, static]`

Definition at line 663 of file t_msgbuilder.c.

References int2bstr(), INT2STR_MAX_LEN, _str::len, len, and _str::s.

Referenced by build_uac_cancel(), and build_uac_req().

static char* print_cseq	(	char *	w,
		str *	cseq,
		str *	method,
		struct cell *	t
	)			`[inline, static]`

Definition at line 828 of file t_msgbuilder.c.

References CSEQ_LEN, cell::cseq_n, _str::len, print_cseq_mini(), and _str::s.

Referenced by build_uac_req().

char* print_cseq_mini	(	char *	target,
		str *	cseq,
		str *	method
	)

Definition at line 820 of file t_msgbuilder.c.

References append_str, CSEQ, CSEQ_LEN, _str::len, and _str::s.

Referenced by print_cseq(), and t_lookup_callid().

static int print_cseq_num	(	str *	_s,
		dlg_t *	_d
	)			`[inline, static]`

Definition at line 683 of file t_msgbuilder.c.

References int2bstr(), INT2STR_MAX_LEN, _str::len, len, dlg::loc_seq, _str::s, and dlg_seq::value.

Referenced by build_uac_req().

static char* print_from	(	char *	w,
		dlg_t *	dialog,
		struct cell *	t
	)			`[inline, static]`

Definition at line 786 of file t_msgbuilder.c.

References append_str, CRLF, CRLF_LEN, FROM, cell::from, FROM_LEN, FROMTAG, FROMTAG_LEN, dlg::id, _str::len, dlg::loc_dname, dlg_id::loc_tag, dlg::loc_uri, and _str::s.

Referenced by build_uac_req().

static char* print_request_uri	(	char *	w,
		str *	method,
		dlg_t *	dialog,
		struct cell *	t,
		int	branch
	)			`[inline, static]`

Definition at line 734 of file t_msgbuilder.c.

References append_str, CRLF, CRLF_LEN, dlg::hooks, _str::len, LM_DBG, dlg_hooks::request_uri, _str::s, SIP_VERSION, SIP_VERSION_LEN, cell::uac, and ua_client::uri.

Referenced by build_uac_req().

static char* print_rs	(	char *	p,
		struct rte *	list,
		str *	contact
	)			`[inline, static]`

Definition at line 468 of file t_msgbuilder.c.

References append_str, CRLF, CRLF_LEN, _str::len, rr::len, name_addr::name, rr::nameaddr, rte::next, rte::ptr, ROUTE_PREFIX, ROUTE_PREFIX_LEN, ROUTE_SEPARATOR, ROUTE_SEPARATOR_LEN, and _str::s.

Referenced by build_dlg_ack().

static char* print_to	(	char *	w,
		dlg_t *	dialog,
		struct cell *	t
	)			`[inline, static]`

Definition at line 752 of file t_msgbuilder.c.

References append_str, CRLF, CRLF_LEN, dlg::id, _str::len, dlg::rem_dname, dlg_id::rem_tag, dlg::rem_uri, _str::s, TO, cell::to, TO_LEN, TOTAG, and TOTAG_LEN.

Referenced by build_uac_req().

static int process_routeset	(	struct sip_msg *	msg,
		str *	contact,
		struct rte **	list,
		str *	ruri,
		str *	next_hop
	)			`[inline, static]`

Definition at line 373 of file t_msgbuilder.c.

References free_rte_list(), HDR_RECORDROUTE_T, _str::len, LM_ERR, sip_uri::lr, rr::nameaddr, rr::next, rte::next, parse_rr(), parse_uri(), pkg_free, pkg_malloc, rte::ptr, sip_msg::record_route, _str::s, and name_addr::uri.

Referenced by build_dlg_ack().

int t_calc_branch	(	struct cell *	t,
		int	b,
		char *	branch,
		int *	branch_len
	)

Definition at line 966 of file t_msgbuilder.c.

References branch_builder(), cell::hash_index, cell::label, cell::md5, and syn_branch.

Referenced by assemble_via(), build_dlg_ack(), build_local(), build_uac_cancel(), pre_print_uac_request(), and t_newtran().


Data Structures
struct	rte
Defines
#define	GET_CSEQ()
#define	LC(_cp) ((*(_cp))\|0x20)
#define	LOCAL_MAXFWD_HEADER "Max-Forwards: " LOCAL_MAXFWD_VALUE CRLF
#define	LOCAL_MAXFWD_HEADER_LEN (sizeof(LOCAL_MAXFWD_HEADER) - 1)
#define	ROUTE_PREFIX "Route: "
#define	ROUTE_PREFIX_LEN (sizeof(ROUTE_PREFIX) - 1)
#define	ROUTE_SEPARATOR ", "
#define	ROUTE_SEPARATOR_LEN (sizeof(ROUTE_SEPARATOR) - 1)
#define	SET_FOUND(_new_state)
Functions
static int	assemble_via (str dest, struct cell t, struct socket_info *sock, int branch)
char *	build_dlg_ack (struct sip_msg rpl, struct cell Trans, unsigned int branch, str to, unsigned int len)
char *	build_local (struct cell Trans, unsigned int branch, unsigned int len, char method, int method_len, str uas_to)
char *	build_uac_cancel (str headers, str body, struct cell cancelledT, unsigned int branch, unsigned int len)
char *	build_uac_req (str method, str headers, str body, dlg_t dialog, int branch, struct cell t, int len)
static int	calc_routeset_len (struct rte list, str contact)
void	check_hdrs_changes (struct sip_msg *msg)
	Check if From/To/CSeq were altered and set approriate flags.
static int	extract_hdrs (char buf, int len, str from, str to, str cseq)
static struct hdr_field *	extract_parsed_hdrs (char *buf, int len)
static void	free_rte_list (struct rte *list)
static int	get_contact_uri (struct sip_msg msg, str uri)
static char *	print_callid (char w, dlg_t dialog, struct cell *t)
char *	print_callid_mini (char *target, str callid)
static int	print_content_length (str dest, str body)
static char *	print_cseq (char w, str cseq, str method, struct cell t)
char *	print_cseq_mini (char target, str cseq, str *method)
static int	print_cseq_num (str _s, dlg_t _d)
static char *	print_from (char w, dlg_t dialog, struct cell *t)
static char *	print_request_uri (char w, str method, dlg_t dialog, struct cell t, int branch)
static char *	print_rs (char p, struct rte list, str *contact)
static char *	print_to (char w, dlg_t dialog, struct cell *t)
static int	process_routeset (struct sip_msg msg, str contact, struct rte *list, str ruri, str *next_hop)
int	t_calc_branch (struct cell t, int b, char branch, int *branch_len)