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Wed Nov 12 12:33:20 CST 2008 Pekka Pessi <first.last@nokia.com> 

* nta: moved truly internal data type definitions into nta.c



git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10820 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Michael Jerris 2008-12-16 20:12:43 +00:00
parent f298d6855f
commit 3f739fad27
3 changed files with 475 additions and 520 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libs/sofia-sip/.update
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@ -1 +1 @@
Tue Dec 16 14:10:06 CST 2008 Tue Dec 16 14:12:18 CST 2008

466
libs/sofia-sip/libsofia-sip-ua/nta/nta.c
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@ -67,13 +67,20 @@
#include <sofia-sip/sip_status.h> #include <sofia-sip/sip_status.h>
#include <sofia-sip/hostdomain.h> #include <sofia-sip/hostdomain.h>
#include <sofia-sip/url_tag.h>
#include <sofia-sip/msg_addr.h> #include <sofia-sip/msg_addr.h>
#include <sofia-sip/msg_parser.h> #include <sofia-sip/msg_parser.h>
/* Resolver context type */
#define SRES_CONTEXT_T nta_outgoing_t
/* We are customer of tport_t */
#define TP_AGENT_T nta_agent_t
#define TP_MAGIC_T sip_via_t
#define TP_CLIENT_T nta_outgoing_t
#include "nta_internal.h" #include "nta_internal.h"
#include "sofia-sip/nta_stateless.h"
#include "sofia-sip/url_tag.h"
#include <stddef.h> #include <stddef.h>
#include <stdlib.h> #include <stdlib.h>
@ -95,6 +102,461 @@ static char const __func__[] = "nta";
#define NONE ((void *)-1) #define NONE ((void *)-1)
/* ------------------------------------------------------------------------- */
/** Resolving order */
enum nta_res_order_e
{
nta_res_ip6_ip4,
nta_res_ip4_ip6,
nta_res_ip6_only,
nta_res_ip4_only
};
HTABLE_DECLARE_WITH(leg_htable, lht, nta_leg_t, size_t, hash_value_t);
HTABLE_DECLARE_WITH(outgoing_htable, oht, nta_outgoing_t, size_t, hash_value_t);
HTABLE_DECLARE_WITH(incoming_htable, iht, nta_incoming_t, size_t, hash_value_t);
typedef struct outgoing_queue_t {
nta_outgoing_t **q_tail;
nta_outgoing_t *q_head;
size_t q_length;
unsigned q_timeout;
} outgoing_queue_t;
typedef struct incoming_queue_t {
nta_incoming_t **q_tail;
nta_incoming_t *q_head;
size_t q_length;
unsigned q_timeout;
} incoming_queue_t;
struct nta_agent_s
{
su_home_t sa_home[1];
su_root_t *sa_root;
su_timer_t *sa_timer;
nta_agent_magic_t *sa_magic;
nta_message_f *sa_callback;
nta_update_magic_t *sa_update_magic;
nta_update_tport_f *sa_update_tport;
su_time_t sa_now; /**< Timestamp in microsecond resolution. */
uint32_t sa_next; /**< Timestamp for next agent_timer. */
uint32_t sa_millisec; /**< Timestamp in milliseconds. */
msg_mclass_t const *sa_mclass;
uint32_t sa_flags; /**< SIP message flags */
unsigned sa_preload; /**< Memory preload for SIP messages. */
tport_t *sa_tports;
sip_contact_t *sa_contact;
sip_via_t *sa_vias; /**< @Via headers for all transports */
sip_via_t *sa_public_vias; /**< @Vias for public transports */
sip_contact_t *sa_aliases;/**< List of aliases for agent */
uint64_t sa_branch; /**< Generator for branch parameters */
uint64_t sa_tags; /**< Generator for tag parameters */
#if HAVE_SOFIA_SRESOLV
sres_resolver_t *sa_resolver; /**< DNS resolver */
enum nta_res_order_e sa_res_order; /** Resolving order (AAAA/A) */
#endif
url_t *sa_default_proxy; /**< Default outbound proxy */
unsigned sa_bad_req_mask; /**< Request error mask */
unsigned sa_bad_resp_mask; /**< Response error mask */
size_t sa_maxsize; /**< Maximum size of incoming messages */
size_t sa_max_proceeding; /**< Maximum size of proceeding queue */
unsigned sa_udp_mtu; /**< Maximum size of outgoing UDP requests */
unsigned sa_t1; /**< SIP T1 - initial retransmit interval (500 ms) */
unsigned sa_t2; /**< SIP T2 - maximum retransmit interval (4000 ms) */
unsigned sa_t4; /**< SIP T4 - clear message time (5000 ms) */
unsigned sa_t1x64; /**< SIP T1X64 - transaction lifetime (32 s) */
unsigned sa_progress; /**< Progress timer.
Interval between retransmitting
provisional responses. */
unsigned sa_timer_c; /**< SIP timer C.
Maximum interval between receiving
provisional responses. */
unsigned sa_graylist; /**< Graylisting period */
unsigned sa_blacklist; /**< Blacklisting period */
unsigned sa_drop_prob : 10; /**< NTA is used to test packet drop */
unsigned sa_is_a_uas : 1; /**< NTA is acting as an User Agent server */
unsigned sa_is_stateless : 1; /**< Process requests statelessly
* unless they match existing dialog.
*/
unsigned sa_user_via:1; /**< Let application provide @Via headers */
unsigned sa_extra_100:1; /**< Allow NTA to return "100 Trying" response
* even if application has not responded.
*/
unsigned sa_pass_100:1; /**< Pass the "100 Trying"
* provisional responses to the application
*/
unsigned sa_timeout_408:1; /**< A "408 Request Timeout" message
* is generated when outgoing request expires.
*/
unsigned sa_pass_408:1; /**< A "408 Request Timeout" responses
* are passed to client.
*/
unsigned sa_merge_482 : 1; /**< A "482 Request Merged" response is returned
* to merged requests.
*/
unsigned sa_cancel_2543 : 1; /**< Send a CANCEL to an INVITE without
* waiting for an provisional response.
*/
unsigned sa_cancel_487 : 1; /**< Return 487 response automatically when
* a CANCEL is received.
*/
unsigned sa_invite_100rel:1; /**< Include 100rel in INVITE requests. */
unsigned sa_timestamp : 1; /**< Insert @Timestamp in requests. */
unsigned sa_tport_ip4 : 1; /**< Transports support IPv4. */
unsigned sa_tport_ip6 : 1; /**< Transports support IPv6. */
unsigned sa_tport_udp : 1; /**< Transports support UDP. */
unsigned sa_tport_tcp : 1; /**< Transports support TCP. */
unsigned sa_tport_sctp : 1; /**< Transports support SCTP. */
unsigned sa_tport_tls : 1; /**< Transports support TLS. */
unsigned sa_use_naptr : 1; /**< Use NAPTR lookup */
unsigned sa_use_srv : 1; /**< Use SRV lookup */
unsigned sa_tport_threadpool:1; /**< Transports use threadpool */
unsigned sa_rport:1; /**< Use rport at client */
unsigned sa_server_rport:2; /**< Use rport at server */
unsigned sa_tcp_rport:1; /**< Use rport with tcp, too */
unsigned sa_tls_rport:1; /**< Use rport with tls, too */
unsigned sa_auto_comp:1; /**< Automatically create compartments */
unsigned sa_in_timer:1; /**< Set when executing timers */
unsigned sa_use_timer_c:1; /**< Application has set value for timer C */
unsigned :0;
#if HAVE_SMIME
sm_object_t *sa_smime;
#else
void *sa_smime;
#endif
/** @MaxForwards */
sip_max_forwards_t sa_max_forwards[1];
/** Name of SigComp algorithm */
char const *sa_algorithm;
/** Options for SigComp. */
char const *sa_sigcomp_options;
char const* const *sa_sigcomp_option_list;
char const *sa_sigcomp_option_free;
nta_compressor_t *sa_compressor;
/* Statistics */
struct {
usize_t as_recv_msg;
usize_t as_recv_request;
usize_t as_recv_response;
usize_t as_bad_message;
usize_t as_bad_request;
usize_t as_bad_response;
usize_t as_drop_request;
usize_t as_drop_response;
usize_t as_client_tr;
usize_t as_server_tr;
usize_t as_dialog_tr;
usize_t as_acked_tr;
usize_t as_canceled_tr;
usize_t as_trless_request;
usize_t as_trless_to_tr;
usize_t as_trless_response;
usize_t as_trless_200;
usize_t as_merged_request;
usize_t as_sent_msg;
usize_t as_sent_request;
usize_t as_sent_response;
usize_t as_retry_request;
usize_t as_retry_response;
usize_t as_recv_retry;
usize_t as_tout_request;
usize_t as_tout_response;
} sa_stats[1];
/** Hash of dialogs. */
leg_htable_t sa_dialogs[1];
/** Default leg */
nta_leg_t *sa_default_leg;
/** Hash of legs without dialogs. */
leg_htable_t sa_defaults[1];
/** Hash table for outgoing transactions */
outgoing_htable_t sa_outgoing[1];
nta_outgoing_t *sa_default_outgoing;
/** Hash table for incoming transactions */
incoming_htable_t sa_incoming[1];
nta_incoming_t *sa_default_incoming;
/* Queues (states) for outgoing client transactions */
struct {
/** Queue for retrying client transactions */
nta_outgoing_t *re_list;
nta_outgoing_t **re_t1; /**< Special place for T1 timer */
size_t re_length; /**< Length of sa_out.re_list */
outgoing_queue_t delayed[1];
outgoing_queue_t resolving[1];
outgoing_queue_t trying[1]; /* Timer F/E */
outgoing_queue_t completed[1]; /* Timer K */
outgoing_queue_t terminated[1];
/* Special queues (states) for outgoing INVITE transactions */
outgoing_queue_t inv_calling[1]; /* Timer B/A */
outgoing_queue_t inv_proceeding[1]; /* Timer C */
outgoing_queue_t inv_completed[1]; /* Timer D */
/* Temporary queue for transactions waiting to be freed */
outgoing_queue_t *free;
} sa_out;
/* Queues (states) for incoming server transactions */
struct {
/** Queue for retransmitting response of server transactions */
nta_incoming_t *re_list;
nta_incoming_t **re_t1; /**< Special place for T1 timer */
size_t re_length; /**< Length of sa_in.re_list */
incoming_queue_t proceeding[1]; /**< Request received */
incoming_queue_t preliminary[1]; /**< 100rel sent */
incoming_queue_t completed[1]; /**< Final answer sent (non-invite). */
incoming_queue_t inv_completed[1]; /**< Final answer sent (INVITE). */
incoming_queue_t inv_confirmed[1]; /**< Final answer sent, ACK recvd. */
incoming_queue_t terminated[1]; /**< Terminated, ready to free. */
incoming_queue_t final_failed[1];
} sa_in;
/* Special task for freeing memory */
su_clone_r sa_terminator;
};
struct nta_leg_s
{
su_home_t leg_home[1];
hash_value_t leg_hash;
unsigned leg_dialog : 1;
unsigned leg_stateless : 1; /**< Process requests statelessly */
#ifdef NTA_STRICT_ROUTING
unsigned leg_contact_set : 1;
#else
unsigned leg_loose_route : 1; /**< Topmost route in set is LR */
#endif
unsigned leg_local_is_to : 1; /**< Backwards-compatibility. */
unsigned leg_tagged : 1; /**< Tagged after creation.
*
* Request missing @To tag matches
* a tagged leg even after tagging.
*/
unsigned:0;
nta_request_f *leg_callback;
nta_leg_magic_t *leg_magic;
nta_agent_t *leg_agent;
url_t const *leg_url; /**< Match incoming requests. */
char const *leg_method; /**< Match incoming requests. */
uint32_t leg_seq; /**< Sequence number for next transaction */
uint32_t leg_rseq; /**< Remote sequence number */
sip_call_id_t *leg_id; /**< Call ID */
sip_from_t *leg_remote; /**< Remote address (@To/@From) */
sip_to_t *leg_local; /**< Local address (@From/@To) */
sip_route_t *leg_route; /**< @Route for outgoing requests. */
sip_contact_t *leg_target; /**< Remote destination (from @Contact). */
};
struct nta_incoming_s
{
su_home_t *irq_home;
hash_value_t irq_hash;
nta_agent_t *irq_agent;
nta_ack_cancel_f *irq_callback;
nta_incoming_magic_t *irq_magic;
/* Timeout/state queue */
nta_incoming_t **irq_prev;
nta_incoming_t *irq_next;
incoming_queue_t *irq_queue;
/* Retry queue */
nta_incoming_t **irq_rprev;
nta_incoming_t *irq_rnext;
sip_method_t irq_method;
sip_request_t *irq_rq;
sip_from_t *irq_from;
sip_to_t *irq_to;
char const *irq_tag;
sip_cseq_t *irq_cseq;
sip_call_id_t *irq_call_id;
sip_via_t *irq_via;
sip_record_route_t *irq_record_route;
char const *irq_branch;
uint32_t irq_rseq;
sip_timestamp_t *irq_timestamp;
su_time_t irq_received;
uint32_t irq_timeout; /**< Timer H, I, J */
uint32_t irq_retry; /**< Timer G */
unsigned short irq_interval; /**< Next timer */
short irq_status;
unsigned irq_retries:8;
unsigned irq_default:1; /**< Default transaction */
unsigned irq_canceled:1; /**< Transaction is canceled */
unsigned irq_completed:1; /**< Transaction is completed */
unsigned irq_confirmed:1; /**< Response has been acked */
unsigned irq_terminated:1; /**< Transaction is terminated */
unsigned irq_final_failed:1; /**< Sending final response failed */
unsigned irq_destroyed :1; /**< Transaction is destroyed */
unsigned irq_in_callback:1; /**< Callback is being invoked */
unsigned irq_reliable_tp:1; /**< Transport is reliable */
unsigned irq_sigcomp_zap:1; /**< Reset SigComp */
unsigned irq_must_100rel:1; /**< 100rel is required */
unsigned irq_tag_set:1; /**< Tag is not from request */
unsigned :0;
tp_name_t irq_tpn[1];
tport_t *irq_tport;
struct sigcomp_compartment *irq_cc;
msg_t *irq_request;
msg_t *irq_request2; /**< ACK/CANCEL */
msg_t *irq_response;
nta_reliable_t *irq_reliable; /**< List of reliable responses */
};
struct nta_reliable_s
{
nta_reliable_t *rel_next;
nta_incoming_t *rel_irq;
nta_prack_f *rel_callback;
nta_reliable_magic_t *rel_magic;
uint32_t rel_rseq;
unsigned short rel_status;
unsigned rel_pracked:1;
unsigned rel_precious:1;
msg_t *rel_response;
msg_t *rel_unsent;
};
typedef struct sipdns_resolver sipdns_resolver_t;
struct nta_outgoing_s
{
hash_value_t orq_hash; /**< Hash value */
nta_agent_t *orq_agent;
nta_response_f *orq_callback;
nta_outgoing_magic_t *orq_magic;
/* Timeout/state queue */
nta_outgoing_t **orq_prev;
nta_outgoing_t *orq_next;
outgoing_queue_t *orq_queue;
/* Retry queue */
nta_outgoing_t **orq_rprev;
nta_outgoing_t *orq_rnext;
sip_method_t orq_method;
char const *orq_method_name;
url_t const *orq_url; /**< Original RequestURI */
sip_from_t const *orq_from;
sip_to_t const *orq_to;
char const *orq_tag; /**< Tag from final response. */
sip_cseq_t const *orq_cseq;
sip_call_id_t const *orq_call_id;
msg_t *orq_request;
msg_t *orq_response;
su_time_t orq_sent; /**< When request was sent? */
unsigned orq_delay; /**< RTT estimate */
uint32_t orq_retry; /**< Timer A, E */
uint32_t orq_timeout; /**< Timer B, D, F, K */
unsigned short orq_interval; /**< Next timer A/E */
unsigned short orq_status;
unsigned char orq_retries; /**< Number of tries this far */
unsigned orq_default:1; /**< This is default transaction */
unsigned orq_inserted:1;
unsigned orq_resolved:1;
unsigned orq_prepared:1; /**< outgoing_prepare() called */
unsigned orq_canceled:1;
unsigned orq_terminated:1;
unsigned orq_destroyed:1;
unsigned orq_completed:1;
unsigned orq_delayed:1;
unsigned orq_stripped_uri:1;
unsigned orq_user_tport:1; /**< Application provided tport - don't retry */
unsigned orq_try_tcp_instead:1;
unsigned orq_try_udp_instead:1;
unsigned orq_reliable:1; /**< Transport is reliable */
unsigned orq_ack_error:1; /**< ACK is sent by NTA */
/* Attributes */
unsigned orq_user_via:1;
unsigned orq_stateless:1;
unsigned orq_pass_100:1;
unsigned orq_sigcomp_new:1; /**< Create compartment if needed */
unsigned orq_sigcomp_zap:1; /**< Reset SigComp after completing */
unsigned orq_must_100rel:1;
unsigned orq_timestamp:1; /**< Insert @Timestamp header. */
unsigned orq_100rel:1; /**< Support 100rel */
unsigned:0; /* pad */
#if HAVE_SOFIA_SRESOLV
sipdns_resolver_t *orq_resolver;
#endif
enum nta_res_order_e orq_res_order; /**< AAAA/A first? */
url_t *orq_route; /**< Route URL */
tp_name_t orq_tpn[1]; /**< Where to send request */
char const *orq_scheme; /**< Transport URL type */
tport_t *orq_tport;
struct sigcomp_compartment *orq_cc;
tagi_t *orq_tags; /**< Tport tag items */
int orq_pending; /**< Request is pending in tport */
char const *orq_branch; /**< Transaction branch */
char const *orq_via_branch; /**< @Via branch */
int *orq_status2b; /**< Delayed response */
nta_outgoing_t *orq_cancel; /**< CANCEL transaction */
uint32_t orq_rseq; /**< Latest incoming rseq */
};
/* ------------------------------------------------------------------------- */
/* Internal tags */ /* Internal tags */
/* Delay sending of request */ /* Delay sending of request */

527
libs/sofia-sip/libsofia-sip-ua/nta/nta_internal.h
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@ -28,536 +28,29 @@
/**@internal @file nta_internal.h /**@internal @file nta_internal.h
* *
* @brief Internals of NTA objects. * @brief NTA internal interfaces.
* *
* @author Pekka Pessi <Pekka.Pessi@nokia.com> * @author Pekka Pessi <Pekka.Pessi@nokia.com>
* *
* @date Created: Tue Jul 18 09:18:32 2000 ppessi * @date Created: Tue Jul 18 09:18:32 2000 ppessi
*/ */
/* Resolver context type */
#define SRES_CONTEXT_T nta_outgoing_t
/* We are customer of tport_t */
#define TP_AGENT_T nta_agent_t
#define TP_MAGIC_T sip_via_t
#define TP_CLIENT_T nta_outgoing_t
#include <sofia-sip/nta.h>
#include <sofia-sip/nta_tport.h>
#include <sofia-sip/tport.h>
#if HAVE_SOFIA_SRESOLV
#include <sofia-sip/sresolv.h>
#endif
#include <sofia-sip/htable.h>
#if HAVE_SMIME
#include "smimec.h"
#endif
SOFIA_BEGIN_DECLS SOFIA_BEGIN_DECLS
/** A sip_flag telling that this message is internally generated. */ /** A sip_flag telling that this message is internally generated. */
#define NTA_INTERNAL_MSG (1<<15) #define NTA_INTERNAL_MSG (1<<15)
/** Resolving order */ #include <sofia-sip/nta.h>
enum nta_res_order_e #include <sofia-sip/nta_tport.h>
{ #include <sofia-sip/nta_stateless.h>
nta_res_ip6_ip4, #include <sofia-sip/tport.h>
nta_res_ip4_ip6, #if HAVE_SOFIA_SRESOLV
nta_res_ip6_only, #include <sofia-sip/sresolv.h>
nta_res_ip4_only #endif
}; #include <sofia-sip/htable.h>
HTABLE_DECLARE_WITH(leg_htable, lht, nta_leg_t, size_t, hash_value_t);
HTABLE_DECLARE_WITH(outgoing_htable, oht, nta_outgoing_t, size_t, hash_value_t);
HTABLE_DECLARE_WITH(incoming_htable, iht, nta_incoming_t, size_t, hash_value_t);
typedef struct outgoing_queue_t {
nta_outgoing_t **q_tail;
nta_outgoing_t *q_head;
size_t q_length;
unsigned q_timeout;
} outgoing_queue_t;
typedef struct incoming_queue_t {
nta_incoming_t **q_tail;
nta_incoming_t *q_head;
size_t q_length;
unsigned q_timeout;
} incoming_queue_t;
typedef struct nta_compressor nta_compressor_t; typedef struct nta_compressor nta_compressor_t;
struct nta_agent_s
{
su_home_t sa_home[1];
su_root_t *sa_root;
su_timer_t *sa_timer;
nta_agent_magic_t *sa_magic;
nta_message_f *sa_callback;
nta_update_magic_t *sa_update_magic;
nta_update_tport_f *sa_update_tport;
su_time_t sa_now; /**< Timestamp in microsecond resolution. */
uint32_t sa_next; /**< Timestamp for next agent_timer. */
uint32_t sa_millisec; /**< Timestamp in milliseconds. */
uint32_t sa_nw_updates; /* Shall we enable network detector? */
uint32_t sa_flags; /**< Message flags */
msg_mclass_t const *sa_mclass;
sip_contact_t *sa_contact;
sip_via_t *sa_vias; /**< @Via headers for all transports */
sip_via_t *sa_public_vias; /**< @Vias for public transports */
sip_contact_t *sa_aliases;/**< List of aliases for agent */
uint64_t sa_branch; /**< Counter for generating branch parameter */
uint64_t sa_tags; /**< Counter for generating tag parameters */
char const *sa_2543_tag; /**< Fixed tag added to @To when responding */
#if HAVE_SOFIA_SRESOLV
sres_resolver_t *sa_resolver; /**< DNS resolver */
#endif
tport_t *sa_tports;
/* Default outbound proxy */
url_t *sa_default_proxy;
#if HAVE_SMIME
sm_object_t *sa_smime;
#else
void *sa_smime;
#endif
/** Request error mask */
unsigned sa_bad_req_mask;
/** Response error mask */
unsigned sa_bad_resp_mask;
/** Maximum size of incoming messages */
size_t sa_maxsize;
/** Maximum size of proceeding queue */
size_t sa_max_proceeding;
/** Maximum size of outgoing UDP requests */
unsigned sa_udp_mtu;
/** SIP T1 - initial interval of retransmissions (500 ms) */
unsigned sa_t1;
/** SIP T2 - maximum interval of retransmissions (4000 ms) */
unsigned sa_t2;
/** SIP T4 - clear message time (5000 ms) */
unsigned sa_t4;
/** SIP T1X64 - transaction lifetime (32 s) */
unsigned sa_t1x64;
/** Progress timer - interval between provisional responses sent */
unsigned sa_progress;
/** SIP timer C - interval between provisional responses receivedxs */
unsigned sa_timer_c;
/** Graylisting period */
unsigned sa_graylist;
/** Blacklisting period */
unsigned sa_blacklist;
/** NTA is used to test packet drop */
unsigned sa_drop_prob : 10;
/** NTA is acting as an User Agent server */
unsigned sa_is_a_uas : 1;
/** Process requests outside dialog statelessly */
unsigned sa_is_stateless : 1;
/** Let application provide @Via headers */
unsigned sa_user_via:1;
/** Respond with "100 Trying" if application has not responded. */
unsigned sa_extra_100:1;
/** The "100 Trying" provisional answers are passed to the application */
unsigned sa_pass_100:1;
/** If true, a "408 Request Timeout" message is generated when outgoing
request expires. */
unsigned sa_timeout_408:1;
/** If true, a "408 Request Timeout" responses are passed to client. */
unsigned sa_pass_408:1;
/** If true, a "482 Request Merged" response is sent to merged requests. */
unsigned sa_merge_482 : 1;
/** If true, send a CANCEL to an INVITE without an provisional response. */
unsigned sa_cancel_2543 : 1;
/** If true, reply with 487 response when a CANCEL is received. */
unsigned sa_cancel_487 : 1;
/** If true, use unique tags. */
unsigned sa_tag_3261 : 1;
/** If true, include 100rel in INVITE requests. */
unsigned sa_invite_100rel : 1;
/** If true, insert @Timestamp in requests. */
unsigned sa_timestamp : 1;
/** If true, transports support IPv4. */
unsigned sa_tport_ip4 : 1;
/** If true, transports support IPv6. */
unsigned sa_tport_ip6 : 1;
/** If true, transports support UDP. */
unsigned sa_tport_udp : 1;
/** If true, transports support TCP. */
unsigned sa_tport_tcp : 1;
/** If true, transports support SCTP. */
unsigned sa_tport_sctp : 1;
/** If true, transports support TLS. */
unsigned sa_tport_tls : 1;
/** If true, use NAPTR lookup */
unsigned sa_use_naptr : 1;
/** If true, use SRV lookup */
unsigned sa_use_srv : 1;
/** If true, transports use threadpool */
unsigned sa_tport_threadpool : 1;
/** If true, use rport at client */
unsigned sa_rport:1;
/** If true, use rport at server */
unsigned sa_server_rport:2;
/** If true, use rport with tcp, too */
unsigned sa_tcp_rport:1;
/** If true, use rport with tls, too */
unsigned sa_tls_rport:1;
/** If true, automatically create compartments */
unsigned sa_auto_comp:1;
/** Set when executing timer */
unsigned sa_in_timer:1;
/** Set if application has set value for timer C */
unsigned sa_use_timer_c:1;
unsigned :0;
/** Messages memory preload. */
unsigned sa_preload;
/** Name of SigComp algorithm */
char const *sa_algorithm;
/** Options for SigComp. */
char const *sa_sigcomp_options;
char const* const *sa_sigcomp_option_list;
char const *sa_sigcomp_option_free;
nta_compressor_t *sa_compressor;
/** Resolving order (AAAA/A) */
enum nta_res_order_e sa_res_order;
/** @MaxForwards */
sip_max_forwards_t sa_max_forwards[1];
/* Statistics */
struct {
usize_t as_recv_msg;
usize_t as_recv_request;
usize_t as_recv_response;
usize_t as_bad_message;
usize_t as_bad_request;
usize_t as_bad_response;
usize_t as_drop_request;
usize_t as_drop_response;
usize_t as_client_tr;
usize_t as_server_tr;
usize_t as_dialog_tr;
usize_t as_acked_tr;
usize_t as_canceled_tr;
usize_t as_trless_request;
usize_t as_trless_to_tr;
usize_t as_trless_response;
usize_t as_trless_200;
usize_t as_merged_request;
usize_t as_sent_msg;
usize_t as_sent_request;
usize_t as_sent_response;
usize_t as_retry_request;
usize_t as_retry_response;
usize_t as_recv_retry;
usize_t as_tout_request;
usize_t as_tout_response;
} sa_stats[1];
/** Hash of dialogs. */
leg_htable_t sa_dialogs[1];
/** Default leg */
nta_leg_t *sa_default_leg;
/** Hash of legs without dialogs. */
leg_htable_t sa_defaults[1];
/** Hash table for outgoing transactions */
outgoing_htable_t sa_outgoing[1];
nta_outgoing_t *sa_default_outgoing;
/** Hash table for incoming transactions */
incoming_htable_t sa_incoming[1];
nta_incoming_t *sa_default_incoming;
/* Queues (states) for outgoing client transactions */
struct {
/** Queue for retrying client transactions */
nta_outgoing_t *re_list;
nta_outgoing_t **re_t1; /**< Special place for T1 timer */
size_t re_length; /**< Length of sa_out.re_list */
outgoing_queue_t delayed[1];
outgoing_queue_t resolving[1];
outgoing_queue_t trying[1]; /* Timer F/E */
outgoing_queue_t completed[1]; /* Timer K */
outgoing_queue_t terminated[1];
/* Special queues (states) for outgoing INVITE transactions */
outgoing_queue_t inv_calling[1]; /* Timer B/A */
outgoing_queue_t inv_proceeding[1]; /* Timer C */
outgoing_queue_t inv_completed[1]; /* Timer D */
/* Temporary queue for transactions waiting to be freed */
outgoing_queue_t *free;
} sa_out;
/* Queues (states) for incoming server transactions */
struct {
/** Queue for retransmitting response of server transactions */
nta_incoming_t *re_list;
nta_incoming_t **re_t1; /**< Special place for T1 timer */
size_t re_length;
incoming_queue_t proceeding[1]; /**< Request received */
incoming_queue_t preliminary[1]; /**< 100rel sent */
incoming_queue_t completed[1]; /**< Final answer sent (non-invite). */
incoming_queue_t inv_completed[1]; /**< Final answer sent (INVITE). */
incoming_queue_t inv_confirmed[1]; /**< Final answer sent, ACK recvd. */
incoming_queue_t terminated[1]; /**< Terminated, ready to free. */
incoming_queue_t final_failed[1];
} sa_in;
/* Special task for freeing memory */
su_clone_r sa_terminator;
};
struct nta_leg_s
{
su_home_t leg_home[1];
hash_value_t leg_hash;
unsigned leg_dialog : 1;
unsigned leg_stateless : 1; /**< Process requests statelessly */
#ifdef NTA_STRICT_ROUTING
unsigned leg_contact_set : 1;
#else
unsigned leg_loose_route : 1; /**< Topmost route in set is LR */
#endif
unsigned leg_local_is_to : 1; /**< Backwards-compatibility. */
unsigned leg_tagged : 1; /**< Tagged after creation.
*
* Request missing To tag matches it
* even after tagging.
*/
unsigned:0;
nta_request_f *leg_callback;
nta_leg_magic_t *leg_magic;
nta_agent_t *leg_agent;
/** Leg URL.
*
* This is the URL used to match incoming requests.
*/
url_t const *leg_url;
char const *leg_method; /**< Method for this dialog. */
uint32_t leg_seq; /**< Sequence number for next transaction */
uint32_t leg_rseq; /**< Remote sequence number */
sip_call_id_t *leg_id; /**< Call ID */
sip_from_t *leg_remote; /**< Remote address (@To/@From) */
sip_to_t *leg_local; /**< Local address (@From/@To) */
sip_route_t *leg_route; /**< @Route for outgoing requests. */
sip_contact_t *leg_target; /**< Remote destination (from @Contact). */
};
#define leg_has_id(leg) ((leg)->leg_id != NULL)
struct nta_incoming_s
{
su_home_t *irq_home;
hash_value_t irq_hash;
nta_agent_t *irq_agent;
nta_ack_cancel_f *irq_callback;
nta_incoming_magic_t *irq_magic;
/* Timeout/state queue */
nta_incoming_t **irq_prev;
nta_incoming_t *irq_next;
incoming_queue_t *irq_queue;
/* Retry queue */
nta_incoming_t **irq_rprev;
nta_incoming_t *irq_rnext;
sip_method_t irq_method;
sip_request_t *irq_rq;
sip_from_t *irq_from;
sip_to_t *irq_to;
char const *irq_tag;
sip_cseq_t *irq_cseq;
sip_call_id_t *irq_call_id;
sip_via_t *irq_via;
sip_record_route_t *irq_record_route;
char const *irq_branch;
uint32_t irq_rseq;
sip_timestamp_t *irq_timestamp;
su_time_t irq_received;
uint32_t irq_timeout; /**< Timer H, I, J */
uint32_t irq_retry; /**< Timer G */
unsigned short irq_interval; /**< Next timer */
short irq_status;
unsigned irq_retries : 8;
unsigned irq_default : 1; /**< Default transaction */
unsigned irq_canceled : 1; /**< Transaction is canceled */
unsigned irq_completed : 1; /**< Transaction is completed */
unsigned irq_confirmed : 1; /**< Response has been acked */
unsigned irq_terminated :1; /**< Transaction is terminated */
unsigned irq_final_failed:1; /**< Sending final response failed */
unsigned irq_destroyed :1; /**< Transaction is destroyed */
unsigned irq_in_callback:1; /**< Callback is being invoked */
unsigned irq_reliable_tp:1; /**< Transport is reliable */
unsigned irq_sigcomp_zap:1; /**< Reset SigComp */
unsigned irq_must_100rel:1; /**< 100rel is required */
unsigned irq_tag_set:1; /**< Tag is not from request */
unsigned :0;
tp_name_t irq_tpn[1];
tport_t *irq_tport;
struct sigcomp_compartment *irq_cc;
msg_t *irq_request;
msg_t *irq_request2; /**< ACK/CANCEL */
msg_t *irq_response;
nta_reliable_t *irq_reliable; /**< List of reliable responses */
};
struct nta_reliable_s
{
nta_reliable_t *rel_next;
nta_incoming_t *rel_irq;
nta_prack_f *rel_callback;
nta_reliable_magic_t *rel_magic;
uint32_t rel_rseq;
unsigned short rel_status;
unsigned rel_pracked : 1;
unsigned rel_precious : 1;
msg_t *rel_response;
msg_t *rel_unsent;
};
typedef struct sipdns_resolver sipdns_resolver_t;
struct nta_outgoing_s
{
hash_value_t orq_hash; /**< Hash value */
nta_agent_t *orq_agent;
nta_response_f *orq_callback;
nta_outgoing_magic_t *orq_magic;
/* Timeout/state queue */
nta_outgoing_t **orq_prev;
nta_outgoing_t *orq_next;
outgoing_queue_t *orq_queue;
/* Retry queue */
nta_outgoing_t **orq_rprev;
nta_outgoing_t *orq_rnext;
sip_method_t orq_method;
char const *orq_method_name;
url_t const *orq_url; /**< Original RequestURI */
sip_from_t const *orq_from;
sip_to_t const *orq_to;
char const *orq_tag; /**< Tag from final response. */
sip_cseq_t const *orq_cseq;
sip_call_id_t const *orq_call_id;
msg_t *orq_request;
msg_t *orq_response;
su_time_t orq_sent; /**< When request was sent? */
unsigned orq_delay; /**< RTT estimate */
uint32_t orq_retry; /**< Timer A, E */
uint32_t orq_timeout; /**< Timer B, D, F, K */
unsigned short orq_interval; /**< Next timer A/E */
unsigned short orq_status;
unsigned char orq_retries; /**< Number of tries this far */
unsigned orq_default : 1; /**< This is default transaction */
unsigned orq_inserted : 1;
unsigned orq_resolved : 1;
unsigned orq_prepared : 1; /**< outgoing_prepare() called */
unsigned orq_canceled : 1;
unsigned orq_terminated : 1;
unsigned orq_destroyed : 1;
unsigned orq_completed : 1;
unsigned orq_delayed : 1;
unsigned orq_stripped_uri : 1;
unsigned orq_user_tport : 1; /**< Application provided tport - don't retry */
unsigned orq_try_tcp_instead : 1;
unsigned orq_try_udp_instead : 1;
unsigned orq_reliable : 1; /**< Transport is reliable */
unsigned orq_ack_error : 1; /**< ACK is sent by NTA */
/* Attributes */
unsigned orq_user_via : 1;
unsigned orq_stateless : 1;
unsigned orq_pass_100 : 1;
unsigned orq_sigcomp_new:1; /**< Create compartment if needed */
unsigned orq_sigcomp_zap:1; /**< Reset SigComp after completing */
unsigned orq_must_100rel : 1;
unsigned orq_timestamp : 1; /**< Insert @Timestamp header. */
unsigned orq_100rel:1; /**< Support 100rel */
unsigned : 0; /* pad */
#if HAVE_SOFIA_SRESOLV
sipdns_resolver_t *orq_resolver;
#endif
enum nta_res_order_e orq_res_order; /**< AAAA/A first? */
url_t *orq_route; /**< Route URL */
tp_name_t orq_tpn[1]; /**< Where to send request */
char const *orq_scheme; /**< Transport URL type */
tport_t *orq_tport;
struct sigcomp_compartment *orq_cc;
tagi_t *orq_tags; /**< Tport tag items */
int orq_pending; /**< Request is pending in tport */
char const *orq_branch; /**< Transaction branch */
char const *orq_via_branch; /**< @Via branch */
int *orq_status2b; /**< Delayed response */
nta_outgoing_t *orq_cancel; /**< CANCEL transaction */
uint32_t orq_rseq; /**< Latest incoming rseq */
};
/* Virtual function table for plugging in SigComp */ /* Virtual function table for plugging in SigComp */
typedef struct typedef struct
{ {
@ -594,7 +87,7 @@ typedef struct
} nta_compressor_vtable_t; } nta_compressor_vtable_t;
extern nta_compressor_vtable_t *nta_compressor_vtable; SOFIAPUBVAR nta_compressor_vtable_t *nta_compressor_vtable;
SOFIAPUBFUN nta_compressor_t *nta_agent_init_sigcomp(nta_agent_t *sa); SOFIAPUBFUN nta_compressor_t *nta_agent_init_sigcomp(nta_agent_t *sa);
SOFIAPUBFUN void nta_agent_deinit_sigcomp(nta_agent_t *sa); SOFIAPUBFUN void nta_agent_deinit_sigcomp(nta_agent_t *sa);