diff options
Diffstat (limited to 'pjsip/src/pjsip-simple/event_notify_msg.c')
-rw-r--r-- | pjsip/src/pjsip-simple/event_notify_msg.c | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/pjsip/src/pjsip-simple/event_notify_msg.c b/pjsip/src/pjsip-simple/event_notify_msg.c new file mode 100644 index 00000000..9d0f0cd7 --- /dev/null +++ b/pjsip/src/pjsip-simple/event_notify_msg.c @@ -0,0 +1,307 @@ +/* $Id$ + * + */ +#include <pjsip_simple/event_notify_msg.h> +#include <pjsip/print.h> +#include <pjsip/sip_parser.h> +#include <pj/pool.h> +#include <pj/string.h> +#include <pj/except.h> + +static int pjsip_event_hdr_print( pjsip_event_hdr *hdr, + char *buf, pj_size_t size); +static pjsip_event_hdr* pjsip_event_hdr_clone( pj_pool_t *pool, + const pjsip_event_hdr *hdr); +static pjsip_event_hdr* pjsip_event_hdr_shallow_clone( pj_pool_t *pool, + const pjsip_event_hdr*); + +static pjsip_hdr_vptr event_hdr_vptr = +{ + (pjsip_hdr_clone_fptr) &pjsip_event_hdr_clone, + (pjsip_hdr_clone_fptr) &pjsip_event_hdr_shallow_clone, + (pjsip_hdr_print_fptr) &pjsip_event_hdr_print, +}; + + +PJ_DEF(pjsip_event_hdr*) pjsip_event_hdr_create(pj_pool_t *pool) +{ + pj_str_t event = { "Event", 5 }; + pjsip_event_hdr *hdr = pj_pool_calloc(pool, 1, sizeof(*hdr)); + hdr->type = PJSIP_H_OTHER; + hdr->name = hdr->sname = event; + hdr->vptr = &event_hdr_vptr; + pj_list_init(hdr); + return hdr; +} + +static int pjsip_event_hdr_print( pjsip_event_hdr *hdr, + char *buf, pj_size_t size) +{ + char *p = buf; + char *endbuf = buf+size; + int printed; + + copy_advance(p, hdr->name); + *p++ = ':'; + *p++ = ' '; + + copy_advance(p, hdr->event_type); + copy_advance_pair(p, ";id=", 4, hdr->id_param); + if (hdr->other_param.slen) + copy_advance(p, hdr->other_param); + return p - buf; +} + +static pjsip_event_hdr* pjsip_event_hdr_clone( pj_pool_t *pool, + const pjsip_event_hdr *rhs) +{ + pjsip_event_hdr *hdr = pjsip_event_hdr_create(pool); + pj_strdup(pool, &hdr->event_type, &rhs->event_type); + pj_strdup(pool, &hdr->id_param, &rhs->id_param); + pj_strdup(pool, &hdr->other_param, &rhs->other_param); + return hdr; +} + +static pjsip_event_hdr* pjsip_event_hdr_shallow_clone( pj_pool_t *pool, + const pjsip_event_hdr *rhs ) +{ + pjsip_event_hdr *hdr = pj_pool_alloc(pool, sizeof(*hdr)); + pj_memcpy(hdr, rhs, sizeof(*hdr)); + return hdr; +} + + +static int pjsip_allow_events_hdr_print(pjsip_allow_events_hdr *hdr, + char *buf, pj_size_t size); +static pjsip_allow_events_hdr* +pjsip_allow_events_hdr_clone(pj_pool_t *pool, + const pjsip_allow_events_hdr *hdr); +static pjsip_allow_events_hdr* +pjsip_allow_events_hdr_shallow_clone(pj_pool_t *pool, + const pjsip_allow_events_hdr*); + +static pjsip_hdr_vptr allow_event_hdr_vptr = +{ + (pjsip_hdr_clone_fptr) &pjsip_allow_events_hdr_clone, + (pjsip_hdr_clone_fptr) &pjsip_allow_events_hdr_shallow_clone, + (pjsip_hdr_print_fptr) &pjsip_allow_events_hdr_print, +}; + + +PJ_DEF(pjsip_allow_events_hdr*) pjsip_allow_events_hdr_create(pj_pool_t *pool) +{ + pj_str_t allow_events = { "Allow-Events", 12 }; + pjsip_allow_events_hdr *hdr = pj_pool_calloc(pool, 1, sizeof(*hdr)); + hdr->type = PJSIP_H_OTHER; + hdr->name = hdr->sname = allow_events; + hdr->vptr = &allow_event_hdr_vptr; + pj_list_init(hdr); + return hdr; +} + +static int pjsip_allow_events_hdr_print(pjsip_allow_events_hdr *hdr, + char *buf, pj_size_t size) +{ + char *p = buf; + char *endbuf = buf+size; + int printed; + + copy_advance(p, hdr->name); + *p++ = ':'; + *p++ = ' '; + + if (hdr->event_cnt > 0) { + int i; + copy_advance(p, hdr->events[0]); + for (i=1; i<hdr->event_cnt; ++i) { + copy_advance_pair(p, ",", 1, hdr->events[i]); + } + } + + return p - buf; +} + +static pjsip_allow_events_hdr* +pjsip_allow_events_hdr_clone(pj_pool_t *pool, + const pjsip_allow_events_hdr *rhs) +{ + int i; + + pjsip_allow_events_hdr *hdr = pjsip_allow_events_hdr_create(pool); + hdr->event_cnt = rhs->event_cnt; + for (i=0; i<rhs->event_cnt; ++i) { + pj_strdup(pool, &hdr->events[i], &rhs->events[i]); + } + return hdr; +} + +static pjsip_allow_events_hdr* +pjsip_allow_events_hdr_shallow_clone(pj_pool_t *pool, + const pjsip_allow_events_hdr *rhs) +{ + pjsip_allow_events_hdr *hdr = pj_pool_alloc(pool, sizeof(*hdr)); + pj_memcpy(hdr, rhs, sizeof(*hdr)); + return hdr; +} + + +static int pjsip_sub_state_hdr_print(pjsip_sub_state_hdr *hdr, + char *buf, pj_size_t size); +static pjsip_sub_state_hdr* +pjsip_sub_state_hdr_clone(pj_pool_t *pool, + const pjsip_sub_state_hdr *hdr); +static pjsip_sub_state_hdr* +pjsip_sub_state_hdr_shallow_clone(pj_pool_t *pool, + const pjsip_sub_state_hdr*); + +static pjsip_hdr_vptr sub_state_hdr_vptr = +{ + (pjsip_hdr_clone_fptr) &pjsip_sub_state_hdr_clone, + (pjsip_hdr_clone_fptr) &pjsip_sub_state_hdr_shallow_clone, + (pjsip_hdr_print_fptr) &pjsip_sub_state_hdr_print, +}; + + +PJ_DEF(pjsip_sub_state_hdr*) pjsip_sub_state_hdr_create(pj_pool_t *pool) +{ + pj_str_t sub_state = { "Subscription-State", 18 }; + pjsip_sub_state_hdr *hdr = pj_pool_calloc(pool, 1, sizeof(*hdr)); + hdr->type = PJSIP_H_OTHER; + hdr->name = hdr->sname = sub_state; + hdr->vptr = &sub_state_hdr_vptr; + hdr->expires_param = -1; + hdr->retry_after = -1; + pj_list_init(hdr); + return hdr; +} + +static int pjsip_sub_state_hdr_print(pjsip_sub_state_hdr *hdr, + char *buf, pj_size_t size) +{ + char *p = buf; + char *endbuf = buf+size; + int printed; + + copy_advance(p, hdr->name); + *p++ = ':'; + *p++ = ' '; + + copy_advance(p, hdr->sub_state); + copy_advance_pair(p, ";reason=", 8, hdr->reason_param); + if (hdr->expires_param >= 0) { + pj_memcpy(p, ";expires=", 9); + p += 9; + printed = pj_utoa(hdr->expires_param, p); + p += printed; + } + if (hdr->retry_after >= 0) { + pj_memcpy(p, ";retry-after=", 13); + p += 9; + printed = pj_utoa(hdr->retry_after, p); + p += printed; + } + if (hdr->other_param.slen) + copy_advance(p, hdr->other_param); + + return p - buf; +} + +static pjsip_sub_state_hdr* +pjsip_sub_state_hdr_clone(pj_pool_t *pool, + const pjsip_sub_state_hdr *rhs) +{ + pjsip_sub_state_hdr *hdr = pjsip_sub_state_hdr_create(pool); + pj_strdup(pool, &hdr->sub_state, &rhs->sub_state); + pj_strdup(pool, &hdr->reason_param, &rhs->reason_param); + hdr->retry_after = rhs->retry_after; + hdr->expires_param = rhs->expires_param; + pj_strdup(pool, &hdr->other_param, &rhs->other_param); + return hdr; +} + +static pjsip_sub_state_hdr* +pjsip_sub_state_hdr_shallow_clone(pj_pool_t *pool, + const pjsip_sub_state_hdr *rhs) +{ + pjsip_sub_state_hdr *hdr = pj_pool_alloc(pool, sizeof(*hdr)); + pj_memcpy(hdr, rhs, sizeof(*hdr)); + return hdr; +} + +static pjsip_event_hdr *parse_hdr_event(pj_scanner *scanner, + pj_pool_t *pool) +{ + pjsip_event_hdr *hdr = pjsip_event_hdr_create(pool); + const pj_str_t id_param = { "id", 2 }; + + pj_scan_get(scanner, pjsip_TOKEN_SPEC, &hdr->event_type); + + while (*scanner->current == ';') { + pj_str_t pname, pvalue; + pj_scan_get_char(scanner); + pjsip_parse_param_imp(scanner, &pname, &pvalue, 0); + if (pj_stricmp(&pname, &id_param)==0) { + hdr->id_param = pvalue; + } else { + pjsip_concat_param_imp(&hdr->other_param, pool, &pname, &pvalue, ';'); + } + } + pjsip_parse_end_hdr_imp( scanner ); + return hdr; +} + +static pjsip_allow_events_hdr *parse_hdr_allow_events(pj_scanner *scanner, + pj_pool_t *pool) +{ + pjsip_allow_events_hdr *hdr = pjsip_allow_events_hdr_create(pool); + + pj_scan_get(scanner, pjsip_TOKEN_SPEC, &hdr->events[0]); + hdr->event_cnt = 1; + + while (*scanner->current == ',') { + pj_scan_get_char(scanner); + pj_scan_get(scanner, pjsip_TOKEN_SPEC, &hdr->events[hdr->event_cnt++]); + if (hdr->event_cnt == PJSIP_MAX_ALLOW_EVENTS) { + PJ_THROW(PJSIP_SYN_ERR_EXCEPTION); + } + } + + pjsip_parse_end_hdr_imp( scanner ); + return hdr; +} + +static pjsip_sub_state_hdr *parse_hdr_sub_state(pj_scanner *scanner, + pj_pool_t *pool) +{ + pjsip_sub_state_hdr *hdr = pjsip_sub_state_hdr_create(pool); + const pj_str_t reason = { "reason", 6 }, + expires = { "expires", 7 }, + retry_after = { "retry-after", 11 }; + pj_scan_get(scanner, pjsip_TOKEN_SPEC, &hdr->sub_state); + + while (*scanner->current == ';') { + pj_str_t pname, pvalue; + + pj_scan_get_char(scanner); + pjsip_parse_param_imp(scanner, &pname, &pvalue, 0); + if (pj_stricmp(&pname, &reason) == 0) { + hdr->reason_param = pvalue; + } else if (pj_stricmp(&pname, &expires) == 0) { + hdr->expires_param = pj_strtoul(&pvalue); + } else if (pj_stricmp(&pname, &retry_after) == 0) { + hdr->retry_after = pj_strtoul(&pvalue); + } else { + pjsip_concat_param_imp(&hdr->other_param, pool, &pname, &pvalue, ';'); + } + } + + pjsip_parse_end_hdr_imp( scanner ); + return hdr; +} + +PJ_DEF(void) pjsip_event_notify_init_parser(void) +{ + pjsip_register_hdr_parser( "Event", NULL, (pjsip_parse_hdr_func*) &parse_hdr_event); + pjsip_register_hdr_parser( "Allow-Events", NULL, (pjsip_parse_hdr_func*) &parse_hdr_allow_events); + pjsip_register_hdr_parser( "Subscription-State", NULL, (pjsip_parse_hdr_func*) &parse_hdr_sub_state); +} |