From 88a7bb50033baab3c2d0eed7e4be868e8966300a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Roman=20Smr=C5=BE?= Date: Fri, 17 Nov 2023 20:28:44 +0100 Subject: Split to library and executable parts --- src/ICE/pjproject.c | 363 ---------------------------------------------------- src/ICE/pjproject.h | 14 -- 2 files changed, 377 deletions(-) delete mode 100644 src/ICE/pjproject.c delete mode 100644 src/ICE/pjproject.h (limited to 'src/ICE') diff --git a/src/ICE/pjproject.c b/src/ICE/pjproject.c deleted file mode 100644 index 0ae69e9..0000000 --- a/src/ICE/pjproject.c +++ /dev/null @@ -1,363 +0,0 @@ -#include "pjproject.h" -#include "ICE_stub.h" - -#include -#include -#include -#include -#include -#include - -static struct -{ - pj_caching_pool cp; - pj_pool_t * pool; - pj_ice_strans_cfg cfg; - pj_sockaddr def_addr; -} ice; - -struct user_data -{ - pj_ice_sess_role role; - HsStablePtr sptr; - HsStablePtr cb_init; - HsStablePtr cb_connect; -}; - -static void ice_perror(const char * msg, pj_status_t status) -{ - char err[PJ_ERR_MSG_SIZE]; - pj_strerror(status, err, sizeof(err)); - fprintf(stderr, "ICE: %s: %s\n", msg, err); -} - -static int ice_worker_thread(void * unused) -{ - PJ_UNUSED_ARG(unused); - - while (true) { - pj_time_val max_timeout = { 0, 0 }; - pj_time_val timeout = { 0, 0 }; - - max_timeout.msec = 500; - - pj_timer_heap_poll(ice.cfg.stun_cfg.timer_heap, &timeout); - - pj_assert(timeout.sec >= 0 && timeout.msec >= 0); - if (timeout.msec >= 1000) - timeout.msec = 999; - - if (PJ_TIME_VAL_GT(timeout, max_timeout)) - timeout = max_timeout; - - int c = pj_ioqueue_poll(ice.cfg.stun_cfg.ioqueue, &timeout); - if (c < 0) - pj_thread_sleep(PJ_TIME_VAL_MSEC(timeout)); - } - - return 0; -} - -static void cb_on_rx_data(pj_ice_strans * strans, unsigned comp_id, - void * pkt, pj_size_t size, - const pj_sockaddr_t * src_addr, unsigned src_addr_len) -{ - struct user_data * udata = pj_ice_strans_get_user_data(strans); - ice_rx_data(udata->sptr, pkt, size); -} - -static void cb_on_ice_complete(pj_ice_strans * strans, - pj_ice_strans_op op, pj_status_t status) -{ - if (status != PJ_SUCCESS) { - ice_perror("cb_on_ice_complete", status); - ice_destroy(strans); - return; - } - - struct user_data * udata = pj_ice_strans_get_user_data(strans); - if (op == PJ_ICE_STRANS_OP_INIT) { - pj_status_t istatus = pj_ice_strans_init_ice(strans, udata->role, NULL, NULL); - if (istatus != PJ_SUCCESS) - ice_perror("error creating session", istatus); - - if (udata->cb_init) { - ice_call_cb(udata->cb_init); - hs_free_stable_ptr(udata->cb_init); - udata->cb_init = NULL; - } - } - - if (op == PJ_ICE_STRANS_OP_NEGOTIATION) { - if (udata->cb_connect) { - ice_call_cb(udata->cb_connect); - hs_free_stable_ptr(udata->cb_connect); - udata->cb_connect = NULL; - } - } -} - -static void ice_init(void) -{ - static bool done = false; - static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; - pthread_mutex_lock(&mutex); - - if (done) { - pthread_mutex_unlock(&mutex); - goto exit; - } - - pj_log_set_level(1); - - if (pj_init() != PJ_SUCCESS) { - fprintf(stderr, "pj_init failed\n"); - goto exit; - } - if (pjlib_util_init() != PJ_SUCCESS) { - fprintf(stderr, "pjlib_util_init failed\n"); - goto exit; - } - if (pjnath_init() != PJ_SUCCESS) { - fprintf(stderr, "pjnath_init failed\n"); - goto exit; - } - - pj_caching_pool_init(&ice.cp, NULL, 0); - - pj_ice_strans_cfg_default(&ice.cfg); - ice.cfg.stun_cfg.pf = &ice.cp.factory; - - ice.pool = pj_pool_create(&ice.cp.factory, "ice", 512, 512, NULL); - - if (pj_timer_heap_create(ice.pool, 100, - &ice.cfg.stun_cfg.timer_heap) != PJ_SUCCESS) { - fprintf(stderr, "pj_timer_heap_create failed\n"); - goto exit; - } - - if (pj_ioqueue_create(ice.pool, 16, &ice.cfg.stun_cfg.ioqueue) != PJ_SUCCESS) { - fprintf(stderr, "pj_ioqueue_create failed\n"); - goto exit; - } - - pj_thread_t * thread; - if (pj_thread_create(ice.pool, "ice", &ice_worker_thread, - NULL, 0, 0, &thread) != PJ_SUCCESS) { - fprintf(stderr, "pj_thread_create failed\n"); - goto exit; - } - - ice.cfg.af = pj_AF_INET(); - ice.cfg.opt.aggressive = PJ_TRUE; - - ice.cfg.stun.server.ptr = "discovery1.erebosprotocol.net"; - ice.cfg.stun.server.slen = strlen(ice.cfg.stun.server.ptr); - ice.cfg.stun.port = 29670; - - ice.cfg.turn.server = ice.cfg.stun.server; - ice.cfg.turn.port = ice.cfg.stun.port; - ice.cfg.turn.auth_cred.type = PJ_STUN_AUTH_CRED_STATIC; - ice.cfg.turn.auth_cred.data.static_cred.data_type = PJ_STUN_PASSWD_PLAIN; - ice.cfg.turn.conn_type = PJ_TURN_TP_UDP; - -exit: - done = true; - pthread_mutex_unlock(&mutex); -} - -pj_ice_strans * ice_create(pj_ice_sess_role role, HsStablePtr sptr, HsStablePtr cb) -{ - ice_init(); - - pj_ice_strans * res; - - struct user_data * udata = malloc(sizeof(struct user_data)); - udata->role = role; - udata->sptr = sptr; - udata->cb_init = cb; - - pj_ice_strans_cb icecb = { - .on_rx_data = cb_on_rx_data, - .on_ice_complete = cb_on_ice_complete, - }; - - pj_status_t status = pj_ice_strans_create(NULL, &ice.cfg, 1, - udata, &icecb, &res); - - if (status != PJ_SUCCESS) - ice_perror("error creating ice", status); - - return res; -} - -void ice_destroy(pj_ice_strans * strans) -{ - struct user_data * udata = pj_ice_strans_get_user_data(strans); - if (udata->sptr) - hs_free_stable_ptr(udata->sptr); - if (udata->cb_init) - hs_free_stable_ptr(udata->cb_init); - if (udata->cb_connect) - hs_free_stable_ptr(udata->cb_connect); - free(udata); - - pj_ice_strans_stop_ice(strans); - pj_ice_strans_destroy(strans); -} - -ssize_t ice_encode_session(pj_ice_strans * strans, char * ufrag, char * pass, - char * def, char * candidates[], size_t maxlen, size_t maxcand) -{ - int n; - pj_str_t local_ufrag, local_pwd; - pj_status_t status; - - pj_ice_strans_get_ufrag_pwd(strans, &local_ufrag, &local_pwd, NULL, NULL); - - n = snprintf(ufrag, maxlen, "%.*s", (int) local_ufrag.slen, local_ufrag.ptr); - if (n < 0 || n == maxlen) - return -PJ_ETOOSMALL; - - n = snprintf(pass, maxlen, "%.*s", (int) local_pwd.slen, local_pwd.ptr); - if (n < 0 || n == maxlen) - return -PJ_ETOOSMALL; - - pj_ice_sess_cand cand[PJ_ICE_ST_MAX_CAND]; - char ipaddr[PJ_INET6_ADDRSTRLEN]; - - status = pj_ice_strans_get_def_cand(strans, 1, &cand[0]); - if (status != PJ_SUCCESS) - return -status; - - n = snprintf(def, maxlen, "%s %d", - pj_sockaddr_print(&cand[0].addr, ipaddr, sizeof(ipaddr), 0), - (int) pj_sockaddr_get_port(&cand[0].addr)); - if (n < 0 || n == maxlen) - return -PJ_ETOOSMALL; - - unsigned cand_cnt = PJ_ARRAY_SIZE(cand); - status = pj_ice_strans_enum_cands(strans, 1, &cand_cnt, cand); - if (status != PJ_SUCCESS) - return -status; - - for (unsigned i = 0; i < cand_cnt && i < maxcand; i++) { - char ipaddr[PJ_INET6_ADDRSTRLEN]; - n = snprintf(candidates[i], maxlen, - "%.*s %u %s %u %s", - (int) cand[i].foundation.slen, cand[i].foundation.ptr, - cand[i].prio, - pj_sockaddr_print(&cand[i].addr, ipaddr, sizeof(ipaddr), 0), - (unsigned) pj_sockaddr_get_port(&cand[i].addr), - pj_ice_get_cand_type_name(cand[i].type)); - - if (n < 0 || n == maxlen) - return -PJ_ETOOSMALL; - } - - return cand_cnt; -} - -void ice_connect(pj_ice_strans * strans, HsStablePtr cb, - const char * ufrag, const char * pass, - const char * defcand, const char * tcandidates[], size_t ncand) -{ - unsigned def_port = 0; - char def_addr[80]; - pj_bool_t done = PJ_FALSE; - char line[256]; - pj_ice_sess_cand candidates[PJ_ICE_ST_MAX_CAND]; - - struct user_data * udata = pj_ice_strans_get_user_data(strans); - udata->cb_connect = cb; - - def_addr[0] = '\0'; - - if (ncand == 0) { - fprintf(stderr, "ICE: no candidates\n"); - return; - } - - int cnt = sscanf(defcand, "%s %u", def_addr, &def_port); - if (cnt != 2) { - fprintf(stderr, "ICE: error parsing default candidate\n"); - return; - } - - int okcand = 0; - for (int i = 0; i < ncand; i++) { - char foundation[32], ipaddr[80], type[32]; - int prio, port; - - int cnt = sscanf(tcandidates[i], "%s %d %s %d %s", - foundation, &prio, - ipaddr, &port, - type); - if (cnt != 5) - continue; - - pj_ice_sess_cand * cand = &candidates[okcand]; - pj_bzero(cand, sizeof(*cand)); - - if (strcmp(type, "host") == 0) - cand->type = PJ_ICE_CAND_TYPE_HOST; - else if (strcmp(type, "srflx") == 0) - cand->type = PJ_ICE_CAND_TYPE_SRFLX; - else if (strcmp(type, "relay") == 0) - cand->type = PJ_ICE_CAND_TYPE_RELAYED; - else - continue; - - cand->comp_id = 1; - pj_strdup2(ice.pool, &cand->foundation, foundation); - cand->prio = prio; - - int af = strchr(ipaddr, ':') ? pj_AF_INET6() : pj_AF_INET(); - pj_str_t tmpaddr = pj_str(ipaddr); - pj_sockaddr_init(af, &cand->addr, NULL, 0); - pj_status_t status = pj_sockaddr_set_str_addr(af, &cand->addr, &tmpaddr); - if (status != PJ_SUCCESS) { - fprintf(stderr, "ICE: invalid IP address \"%s\"\n", ipaddr); - continue; - } - - pj_sockaddr_set_port(&cand->addr, (pj_uint16_t)port); - okcand++; - } - - pj_str_t tmp_addr; - pj_status_t status; - - int af = strchr(def_addr, ':') ? pj_AF_INET6() : pj_AF_INET(); - - pj_sockaddr_init(af, &ice.def_addr, NULL, 0); - tmp_addr = pj_str(def_addr); - status = pj_sockaddr_set_str_addr(af, &ice.def_addr, &tmp_addr); - if (status != PJ_SUCCESS) { - fprintf(stderr, "ICE: invalid default IP address \"%s\"\n", def_addr); - return; - } - pj_sockaddr_set_port(&ice.def_addr, (pj_uint16_t) def_port); - - pj_str_t rufrag, rpwd; - status = pj_ice_strans_start_ice(strans, - pj_cstr(&rufrag, ufrag), pj_cstr(&rpwd, pass), - okcand, candidates); - if (status != PJ_SUCCESS) { - ice_perror("error starting ICE", status); - return; - } -} - -void ice_send(pj_ice_strans * strans, const char * data, size_t len) -{ - if (!pj_ice_strans_sess_is_complete(strans)) { - fprintf(stderr, "ICE: negotiation has not been started or is in progress\n"); - return; - } - - pj_status_t status = pj_ice_strans_sendto(strans, 1, data, len, - &ice.def_addr, pj_sockaddr_get_len(&ice.def_addr)); - if (status != PJ_SUCCESS && status != PJ_EPENDING) - ice_perror("error sending data", status); -} diff --git a/src/ICE/pjproject.h b/src/ICE/pjproject.h deleted file mode 100644 index e230e75..0000000 --- a/src/ICE/pjproject.h +++ /dev/null @@ -1,14 +0,0 @@ -#pragma once - -#include -#include - -pj_ice_strans * ice_create(pj_ice_sess_role role, HsStablePtr sptr, HsStablePtr cb); -void ice_destroy(pj_ice_strans * strans); - -ssize_t ice_encode_session(pj_ice_strans *, char * ufrag, char * pass, - char * def, char * candidates[], size_t maxlen, size_t maxcand); -void ice_connect(pj_ice_strans * strans, HsStablePtr cb, - const char * ufrag, const char * pass, - const char * defcand, const char * candidates[], size_t ncand); -void ice_send(pj_ice_strans *, const char * data, size_t len); -- cgit v1.2.3