| /* $Id$ |
| * |
| */ |
| #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); |
| } |