* #27232: jni: added pjproject checkout as regular git content
We will remove it once the next release of pjsip (with Android support)
comes out and is merged into SFLphone.
diff --git a/jni/pjproject-android/.svn/pristine/79/79c25c6e6c2b7962b0994737fe3403a269bafa71.svn-base b/jni/pjproject-android/.svn/pristine/79/79c25c6e6c2b7962b0994737fe3403a269bafa71.svn-base
new file mode 100644
index 0000000..42beb22
--- /dev/null
+++ b/jni/pjproject-android/.svn/pristine/79/79c25c6e6c2b7962b0994737fe3403a269bafa71.svn-base
@@ -0,0 +1,911 @@
+/* $Id$ */
+/*
+ * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
+ * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <pjnath/turn_sock.h>
+#include <pj/activesock.h>
+#include <pj/assert.h>
+#include <pj/errno.h>
+#include <pj/lock.h>
+#include <pj/log.h>
+#include <pj/pool.h>
+#include <pj/ioqueue.h>
+
+enum
+{
+ TIMER_NONE,
+ TIMER_DESTROY
+};
+
+
+enum { MAX_BIND_RETRY = 100 };
+
+
+#define INIT 0x1FFFFFFF
+
+struct pj_turn_sock
+{
+ pj_pool_t *pool;
+ const char *obj_name;
+ pj_turn_session *sess;
+ pj_turn_sock_cb cb;
+ void *user_data;
+
+ pj_bool_t is_destroying;
+ pj_grp_lock_t *grp_lock;
+
+ pj_turn_alloc_param alloc_param;
+ pj_stun_config cfg;
+ pj_turn_sock_cfg setting;
+
+ pj_timer_entry timer;
+
+ int af;
+ pj_turn_tp_type conn_type;
+ pj_activesock_t *active_sock;
+ pj_ioqueue_op_key_t send_key;
+};
+
+
+/*
+ * Callback prototypes.
+ */
+static pj_status_t turn_on_send_pkt(pj_turn_session *sess,
+ const pj_uint8_t *pkt,
+ unsigned pkt_len,
+ const pj_sockaddr_t *dst_addr,
+ unsigned dst_addr_len);
+static void turn_on_channel_bound(pj_turn_session *sess,
+ const pj_sockaddr_t *peer_addr,
+ unsigned addr_len,
+ unsigned ch_num);
+static void turn_on_rx_data(pj_turn_session *sess,
+ void *pkt,
+ unsigned pkt_len,
+ const pj_sockaddr_t *peer_addr,
+ unsigned addr_len);
+static void turn_on_state(pj_turn_session *sess,
+ pj_turn_state_t old_state,
+ pj_turn_state_t new_state);
+
+static pj_bool_t on_data_read(pj_activesock_t *asock,
+ void *data,
+ pj_size_t size,
+ pj_status_t status,
+ pj_size_t *remainder);
+static pj_bool_t on_connect_complete(pj_activesock_t *asock,
+ pj_status_t status);
+
+
+
+static void turn_sock_on_destroy(void *comp);
+static void destroy(pj_turn_sock *turn_sock);
+static void timer_cb(pj_timer_heap_t *th, pj_timer_entry *e);
+
+
+/* Init config */
+PJ_DEF(void) pj_turn_sock_cfg_default(pj_turn_sock_cfg *cfg)
+{
+ pj_bzero(cfg, sizeof(*cfg));
+ cfg->max_pkt_size = PJ_TURN_MAX_PKT_LEN;
+ cfg->qos_type = PJ_QOS_TYPE_BEST_EFFORT;
+ cfg->qos_ignore_error = PJ_TRUE;
+}
+
+
+/*
+ * Create.
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_create(pj_stun_config *cfg,
+ int af,
+ pj_turn_tp_type conn_type,
+ const pj_turn_sock_cb *cb,
+ const pj_turn_sock_cfg *setting,
+ void *user_data,
+ pj_turn_sock **p_turn_sock)
+{
+ pj_turn_sock *turn_sock;
+ pj_turn_session_cb sess_cb;
+ pj_turn_sock_cfg default_setting;
+ pj_pool_t *pool;
+ const char *name_tmpl;
+ pj_status_t status;
+
+ PJ_ASSERT_RETURN(cfg && p_turn_sock, PJ_EINVAL);
+ PJ_ASSERT_RETURN(af==pj_AF_INET() || af==pj_AF_INET6(), PJ_EINVAL);
+ PJ_ASSERT_RETURN(conn_type!=PJ_TURN_TP_TCP || PJ_HAS_TCP, PJ_EINVAL);
+
+ if (!setting) {
+ pj_turn_sock_cfg_default(&default_setting);
+ setting = &default_setting;
+ }
+
+ switch (conn_type) {
+ case PJ_TURN_TP_UDP:
+ name_tmpl = "udprel%p";
+ break;
+ case PJ_TURN_TP_TCP:
+ name_tmpl = "tcprel%p";
+ break;
+ default:
+ PJ_ASSERT_RETURN(!"Invalid TURN conn_type", PJ_EINVAL);
+ name_tmpl = "tcprel%p";
+ break;
+ }
+
+ /* Create and init basic data structure */
+ pool = pj_pool_create(cfg->pf, name_tmpl, PJNATH_POOL_LEN_TURN_SOCK,
+ PJNATH_POOL_INC_TURN_SOCK, NULL);
+ turn_sock = PJ_POOL_ZALLOC_T(pool, pj_turn_sock);
+ turn_sock->pool = pool;
+ turn_sock->obj_name = pool->obj_name;
+ turn_sock->user_data = user_data;
+ turn_sock->af = af;
+ turn_sock->conn_type = conn_type;
+
+ /* Copy STUN config (this contains ioqueue, timer heap, etc.) */
+ pj_memcpy(&turn_sock->cfg, cfg, sizeof(*cfg));
+
+ /* Copy setting (QoS parameters etc */
+ pj_memcpy(&turn_sock->setting, setting, sizeof(*setting));
+
+ /* Set callback */
+ if (cb) {
+ pj_memcpy(&turn_sock->cb, cb, sizeof(*cb));
+ }
+
+ /* Session lock */
+ if (setting && setting->grp_lock) {
+ turn_sock->grp_lock = setting->grp_lock;
+ } else {
+ status = pj_grp_lock_create(pool, NULL, &turn_sock->grp_lock);
+ if (status != PJ_SUCCESS) {
+ pj_pool_release(pool);
+ return status;
+ }
+ }
+
+ pj_grp_lock_add_ref(turn_sock->grp_lock);
+ pj_grp_lock_add_handler(turn_sock->grp_lock, pool, turn_sock,
+ &turn_sock_on_destroy);
+
+ /* Init timer */
+ pj_timer_entry_init(&turn_sock->timer, TIMER_NONE, turn_sock, &timer_cb);
+
+ /* Init TURN session */
+ pj_bzero(&sess_cb, sizeof(sess_cb));
+ sess_cb.on_send_pkt = &turn_on_send_pkt;
+ sess_cb.on_channel_bound = &turn_on_channel_bound;
+ sess_cb.on_rx_data = &turn_on_rx_data;
+ sess_cb.on_state = &turn_on_state;
+ status = pj_turn_session_create(cfg, pool->obj_name, af, conn_type,
+ turn_sock->grp_lock, &sess_cb, 0,
+ turn_sock, &turn_sock->sess);
+ if (status != PJ_SUCCESS) {
+ destroy(turn_sock);
+ return status;
+ }
+
+ /* Note: socket and ioqueue will be created later once the TURN server
+ * has been resolved.
+ */
+
+ *p_turn_sock = turn_sock;
+ return PJ_SUCCESS;
+}
+
+/*
+ * Destroy.
+ */
+static void turn_sock_on_destroy(void *comp)
+{
+ pj_turn_sock *turn_sock = (pj_turn_sock*) comp;
+
+ if (turn_sock->pool) {
+ pj_pool_t *pool = turn_sock->pool;
+ PJ_LOG(4,(turn_sock->obj_name, "TURN socket destroyed"));
+ turn_sock->pool = NULL;
+ pj_pool_release(pool);
+ }
+}
+
+static void destroy(pj_turn_sock *turn_sock)
+{
+ PJ_LOG(4,(turn_sock->obj_name, "TURN socket destroy request, ref_cnt=%d",
+ pj_grp_lock_get_ref(turn_sock->grp_lock)));
+
+ pj_grp_lock_acquire(turn_sock->grp_lock);
+ if (turn_sock->is_destroying) {
+ pj_grp_lock_release(turn_sock->grp_lock);
+ return;
+ }
+
+ turn_sock->is_destroying = PJ_TRUE;
+ if (turn_sock->sess)
+ pj_turn_session_shutdown(turn_sock->sess);
+ if (turn_sock->active_sock)
+ pj_activesock_close(turn_sock->active_sock);
+ pj_grp_lock_dec_ref(turn_sock->grp_lock);
+ pj_grp_lock_release(turn_sock->grp_lock);
+}
+
+PJ_DEF(void) pj_turn_sock_destroy(pj_turn_sock *turn_sock)
+{
+ pj_grp_lock_acquire(turn_sock->grp_lock);
+ if (turn_sock->is_destroying) {
+ pj_grp_lock_release(turn_sock->grp_lock);
+ return;
+ }
+
+ if (turn_sock->sess) {
+ pj_turn_session_shutdown(turn_sock->sess);
+ /* This will ultimately call our state callback, and when
+ * session state is DESTROYING we will schedule a timer to
+ * destroy ourselves.
+ */
+ } else {
+ destroy(turn_sock);
+ }
+
+ pj_grp_lock_release(turn_sock->grp_lock);
+}
+
+
+/* Timer callback */
+static void timer_cb(pj_timer_heap_t *th, pj_timer_entry *e)
+{
+ pj_turn_sock *turn_sock = (pj_turn_sock*)e->user_data;
+ int eid = e->id;
+
+ PJ_UNUSED_ARG(th);
+
+ e->id = TIMER_NONE;
+
+ switch (eid) {
+ case TIMER_DESTROY:
+ destroy(turn_sock);
+ break;
+ default:
+ pj_assert(!"Invalid timer id");
+ break;
+ }
+}
+
+
+/* Display error */
+static void show_err(pj_turn_sock *turn_sock, const char *title,
+ pj_status_t status)
+{
+ PJ_PERROR(4,(turn_sock->obj_name, status, title));
+}
+
+/* On error, terminate session */
+static void sess_fail(pj_turn_sock *turn_sock, const char *title,
+ pj_status_t status)
+{
+ show_err(turn_sock, title, status);
+ if (turn_sock->sess) {
+ pj_turn_session_destroy(turn_sock->sess, status);
+ }
+}
+
+/*
+ * Set user data.
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_set_user_data( pj_turn_sock *turn_sock,
+ void *user_data)
+{
+ PJ_ASSERT_RETURN(turn_sock, PJ_EINVAL);
+ turn_sock->user_data = user_data;
+ return PJ_SUCCESS;
+}
+
+/*
+ * Get user data.
+ */
+PJ_DEF(void*) pj_turn_sock_get_user_data(pj_turn_sock *turn_sock)
+{
+ PJ_ASSERT_RETURN(turn_sock, NULL);
+ return turn_sock->user_data;
+}
+
+/**
+ * Get info.
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_get_info(pj_turn_sock *turn_sock,
+ pj_turn_session_info *info)
+{
+ PJ_ASSERT_RETURN(turn_sock && info, PJ_EINVAL);
+
+ if (turn_sock->sess) {
+ return pj_turn_session_get_info(turn_sock->sess, info);
+ } else {
+ pj_bzero(info, sizeof(*info));
+ info->state = PJ_TURN_STATE_NULL;
+ return PJ_SUCCESS;
+ }
+}
+
+/**
+ * Lock the TURN socket. Application may need to call this function to
+ * synchronize access to other objects to avoid deadlock.
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_lock(pj_turn_sock *turn_sock)
+{
+ return pj_grp_lock_acquire(turn_sock->grp_lock);
+}
+
+/**
+ * Unlock the TURN socket.
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_unlock(pj_turn_sock *turn_sock)
+{
+ return pj_grp_lock_release(turn_sock->grp_lock);
+}
+
+/*
+ * Set STUN message logging for this TURN session.
+ */
+PJ_DEF(void) pj_turn_sock_set_log( pj_turn_sock *turn_sock,
+ unsigned flags)
+{
+ pj_turn_session_set_log(turn_sock->sess, flags);
+}
+
+/*
+ * Set software name
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_set_software_name( pj_turn_sock *turn_sock,
+ const pj_str_t *sw)
+{
+ return pj_turn_session_set_software_name(turn_sock->sess, sw);
+}
+
+/*
+ * Initialize.
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_alloc(pj_turn_sock *turn_sock,
+ const pj_str_t *domain,
+ int default_port,
+ pj_dns_resolver *resolver,
+ const pj_stun_auth_cred *cred,
+ const pj_turn_alloc_param *param)
+{
+ pj_status_t status;
+
+ PJ_ASSERT_RETURN(turn_sock && domain, PJ_EINVAL);
+ PJ_ASSERT_RETURN(turn_sock->sess, PJ_EINVALIDOP);
+
+ pj_grp_lock_acquire(turn_sock->grp_lock);
+
+ /* Copy alloc param. We will call session_alloc() only after the
+ * server address has been resolved.
+ */
+ if (param) {
+ pj_turn_alloc_param_copy(turn_sock->pool, &turn_sock->alloc_param, param);
+ } else {
+ pj_turn_alloc_param_default(&turn_sock->alloc_param);
+ }
+
+ /* Set credental */
+ if (cred) {
+ status = pj_turn_session_set_credential(turn_sock->sess, cred);
+ if (status != PJ_SUCCESS) {
+ sess_fail(turn_sock, "Error setting credential", status);
+ pj_grp_lock_release(turn_sock->grp_lock);
+ return status;
+ }
+ }
+
+ /* Resolve server */
+ status = pj_turn_session_set_server(turn_sock->sess, domain, default_port,
+ resolver);
+ if (status != PJ_SUCCESS) {
+ sess_fail(turn_sock, "Error setting TURN server", status);
+ pj_grp_lock_release(turn_sock->grp_lock);
+ return status;
+ }
+
+ /* Done for now. The next work will be done when session state moved
+ * to RESOLVED state.
+ */
+ pj_grp_lock_release(turn_sock->grp_lock);
+ return PJ_SUCCESS;
+}
+
+/*
+ * Install permission
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_set_perm( pj_turn_sock *turn_sock,
+ unsigned addr_cnt,
+ const pj_sockaddr addr[],
+ unsigned options)
+{
+ if (turn_sock->sess == NULL)
+ return PJ_EINVALIDOP;
+
+ return pj_turn_session_set_perm(turn_sock->sess, addr_cnt, addr, options);
+}
+
+/*
+ * Send packet.
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_sendto( pj_turn_sock *turn_sock,
+ const pj_uint8_t *pkt,
+ unsigned pkt_len,
+ const pj_sockaddr_t *addr,
+ unsigned addr_len)
+{
+ PJ_ASSERT_RETURN(turn_sock && addr && addr_len, PJ_EINVAL);
+
+ if (turn_sock->sess == NULL)
+ return PJ_EINVALIDOP;
+
+ return pj_turn_session_sendto(turn_sock->sess, pkt, pkt_len,
+ addr, addr_len);
+}
+
+/*
+ * Bind a peer address to a channel number.
+ */
+PJ_DEF(pj_status_t) pj_turn_sock_bind_channel( pj_turn_sock *turn_sock,
+ const pj_sockaddr_t *peer,
+ unsigned addr_len)
+{
+ PJ_ASSERT_RETURN(turn_sock && peer && addr_len, PJ_EINVAL);
+ PJ_ASSERT_RETURN(turn_sock->sess != NULL, PJ_EINVALIDOP);
+
+ return pj_turn_session_bind_channel(turn_sock->sess, peer, addr_len);
+}
+
+
+/*
+ * Notification when outgoing TCP socket has been connected.
+ */
+static pj_bool_t on_connect_complete(pj_activesock_t *asock,
+ pj_status_t status)
+{
+ pj_turn_sock *turn_sock;
+
+ turn_sock = (pj_turn_sock*) pj_activesock_get_user_data(asock);
+ if (!turn_sock)
+ return PJ_FALSE;
+
+ pj_grp_lock_acquire(turn_sock->grp_lock);
+
+ /* TURN session may have already been destroyed here.
+ * See ticket #1557 (http://trac.pjsip.org/repos/ticket/1557).
+ */
+ if (!turn_sock->sess) {
+ sess_fail(turn_sock, "TURN session already destroyed", status);
+ pj_grp_lock_release(turn_sock->grp_lock);
+ return PJ_FALSE;
+ }
+
+ if (status != PJ_SUCCESS) {
+ sess_fail(turn_sock, "TCP connect() error", status);
+ pj_grp_lock_release(turn_sock->grp_lock);
+ return PJ_FALSE;
+ }
+
+ if (turn_sock->conn_type != PJ_TURN_TP_UDP) {
+ PJ_LOG(5,(turn_sock->obj_name, "TCP connected"));
+ }
+
+ /* Kick start pending read operation */
+ status = pj_activesock_start_read(asock, turn_sock->pool,
+ turn_sock->setting.max_pkt_size, 0);
+
+ /* Init send_key */
+ pj_ioqueue_op_key_init(&turn_sock->send_key, sizeof(turn_sock->send_key));
+
+ /* Send Allocate request */
+ status = pj_turn_session_alloc(turn_sock->sess, &turn_sock->alloc_param);
+ if (status != PJ_SUCCESS) {
+ sess_fail(turn_sock, "Error sending ALLOCATE", status);
+ pj_grp_lock_release(turn_sock->grp_lock);
+ return PJ_FALSE;
+ }
+
+ pj_grp_lock_release(turn_sock->grp_lock);
+ return PJ_TRUE;
+}
+
+static pj_uint16_t GETVAL16H(const pj_uint8_t *buf, unsigned pos)
+{
+ return (pj_uint16_t) ((buf[pos + 0] << 8) | \
+ (buf[pos + 1] << 0));
+}
+
+/* Quick check to determine if there is enough packet to process in the
+ * incoming buffer. Return the packet length, or zero if there's no packet.
+ */
+static unsigned has_packet(pj_turn_sock *turn_sock, const void *buf, pj_size_t bufsize)
+{
+ pj_bool_t is_stun;
+
+ if (turn_sock->conn_type == PJ_TURN_TP_UDP)
+ return (unsigned)bufsize;
+
+ /* Quickly check if this is STUN message, by checking the first two bits and
+ * size field which must be multiple of 4 bytes
+ */
+ is_stun = ((((pj_uint8_t*)buf)[0] & 0xC0) == 0) &&
+ ((GETVAL16H((const pj_uint8_t*)buf, 2) & 0x03)==0);
+
+ if (is_stun) {
+ pj_size_t msg_len = GETVAL16H((const pj_uint8_t*)buf, 2);
+ return (unsigned)((msg_len+20 <= bufsize) ? msg_len+20 : 0);
+ } else {
+ /* This must be ChannelData. */
+ pj_turn_channel_data cd;
+
+ if (bufsize < 4)
+ return 0;
+
+ /* Decode ChannelData packet */
+ pj_memcpy(&cd, buf, sizeof(pj_turn_channel_data));
+ cd.length = pj_ntohs(cd.length);
+
+ if (bufsize >= cd.length+sizeof(cd))
+ return (cd.length+sizeof(cd)+3) & (~3);
+ else
+ return 0;
+ }
+}
+
+/*
+ * Notification from ioqueue when incoming UDP packet is received.
+ */
+static pj_bool_t on_data_read(pj_activesock_t *asock,
+ void *data,
+ pj_size_t size,
+ pj_status_t status,
+ pj_size_t *remainder)
+{
+ pj_turn_sock *turn_sock;
+ pj_bool_t ret = PJ_TRUE;
+
+ turn_sock = (pj_turn_sock*) pj_activesock_get_user_data(asock);
+ pj_grp_lock_acquire(turn_sock->grp_lock);
+
+ if (status == PJ_SUCCESS && turn_sock->sess && !turn_sock->is_destroying) {
+ /* Report incoming packet to TURN session, repeat while we have
+ * "packet" in the buffer (required for stream-oriented transports)
+ */
+ unsigned pkt_len;
+
+ //PJ_LOG(5,(turn_sock->pool->obj_name,
+ // "Incoming data, %lu bytes total buffer", size));
+
+ while ((pkt_len=has_packet(turn_sock, data, size)) != 0) {
+ pj_size_t parsed_len;
+ //const pj_uint8_t *pkt = (const pj_uint8_t*)data;
+
+ //PJ_LOG(5,(turn_sock->pool->obj_name,
+ // "Packet start: %02X %02X %02X %02X",
+ // pkt[0], pkt[1], pkt[2], pkt[3]));
+
+ //PJ_LOG(5,(turn_sock->pool->obj_name,
+ // "Processing %lu bytes packet of %lu bytes total buffer",
+ // pkt_len, size));
+
+ parsed_len = (unsigned)size;
+ pj_turn_session_on_rx_pkt(turn_sock->sess, data, size, &parsed_len);
+
+ /* parsed_len may be zero if we have parsing error, so use our
+ * previous calculation to exhaust the bad packet.
+ */
+ if (parsed_len == 0)
+ parsed_len = pkt_len;
+
+ if (parsed_len < (unsigned)size) {
+ *remainder = size - parsed_len;
+ pj_memmove(data, ((char*)data)+parsed_len, *remainder);
+ } else {
+ *remainder = 0;
+ }
+ size = *remainder;
+
+ //PJ_LOG(5,(turn_sock->pool->obj_name,
+ // "Buffer size now %lu bytes", size));
+ }
+ } else if (status != PJ_SUCCESS &&
+ turn_sock->conn_type != PJ_TURN_TP_UDP)
+ {
+ sess_fail(turn_sock, "TCP connection closed", status);
+ ret = PJ_FALSE;
+ goto on_return;
+ }
+
+on_return:
+ pj_grp_lock_release(turn_sock->grp_lock);
+
+ return ret;
+}
+
+
+/*
+ * Callback from TURN session to send outgoing packet.
+ */
+static pj_status_t turn_on_send_pkt(pj_turn_session *sess,
+ const pj_uint8_t *pkt,
+ unsigned pkt_len,
+ const pj_sockaddr_t *dst_addr,
+ unsigned dst_addr_len)
+{
+ pj_turn_sock *turn_sock = (pj_turn_sock*)
+ pj_turn_session_get_user_data(sess);
+ pj_ssize_t len = pkt_len;
+ pj_status_t status;
+
+ if (turn_sock == NULL || turn_sock->is_destroying) {
+ /* We've been destroyed */
+ // https://trac.pjsip.org/repos/ticket/1316
+ //pj_assert(!"We should shutdown gracefully");
+ return PJ_EINVALIDOP;
+ }
+
+ PJ_UNUSED_ARG(dst_addr);
+ PJ_UNUSED_ARG(dst_addr_len);
+
+ status = pj_activesock_send(turn_sock->active_sock, &turn_sock->send_key,
+ pkt, &len, 0);
+ if (status != PJ_SUCCESS && status != PJ_EPENDING) {
+ show_err(turn_sock, "socket send()", status);
+ }
+
+ return status;
+}
+
+
+/*
+ * Callback from TURN session when a channel is successfully bound.
+ */
+static void turn_on_channel_bound(pj_turn_session *sess,
+ const pj_sockaddr_t *peer_addr,
+ unsigned addr_len,
+ unsigned ch_num)
+{
+ PJ_UNUSED_ARG(sess);
+ PJ_UNUSED_ARG(peer_addr);
+ PJ_UNUSED_ARG(addr_len);
+ PJ_UNUSED_ARG(ch_num);
+}
+
+
+/*
+ * Callback from TURN session upon incoming data.
+ */
+static void turn_on_rx_data(pj_turn_session *sess,
+ void *pkt,
+ unsigned pkt_len,
+ const pj_sockaddr_t *peer_addr,
+ unsigned addr_len)
+{
+ pj_turn_sock *turn_sock = (pj_turn_sock*)
+ pj_turn_session_get_user_data(sess);
+ if (turn_sock == NULL || turn_sock->is_destroying) {
+ /* We've been destroyed */
+ return;
+ }
+
+ if (turn_sock->cb.on_rx_data) {
+ (*turn_sock->cb.on_rx_data)(turn_sock, pkt, pkt_len,
+ peer_addr, addr_len);
+ }
+}
+
+
+/*
+ * Callback from TURN session when state has changed
+ */
+static void turn_on_state(pj_turn_session *sess,
+ pj_turn_state_t old_state,
+ pj_turn_state_t new_state)
+{
+ pj_turn_sock *turn_sock = (pj_turn_sock*)
+ pj_turn_session_get_user_data(sess);
+ pj_status_t status;
+
+ if (turn_sock == NULL) {
+ /* We've been destroyed */
+ return;
+ }
+
+ /* Notify app first */
+ if (turn_sock->cb.on_state) {
+ (*turn_sock->cb.on_state)(turn_sock, old_state, new_state);
+ }
+
+ /* Make sure user hasn't destroyed us in the callback */
+ if (turn_sock->sess && new_state == PJ_TURN_STATE_RESOLVED) {
+ pj_turn_session_info info;
+ pj_turn_session_get_info(turn_sock->sess, &info);
+ new_state = info.state;
+ }
+
+ if (turn_sock->sess && new_state == PJ_TURN_STATE_RESOLVED) {
+ /*
+ * Once server has been resolved, initiate outgoing TCP
+ * connection to the server.
+ */
+ pj_turn_session_info info;
+ char addrtxt[PJ_INET6_ADDRSTRLEN+8];
+ int sock_type;
+ pj_sock_t sock;
+ pj_activesock_cfg asock_cfg;
+ pj_activesock_cb asock_cb;
+ pj_sockaddr bound_addr, *cfg_bind_addr;
+ pj_uint16_t max_bind_retry;
+
+ /* Close existing connection, if any. This happens when
+ * we're switching to alternate TURN server when either TCP
+ * connection or ALLOCATE request failed.
+ */
+ if (turn_sock->active_sock) {
+ pj_activesock_close(turn_sock->active_sock);
+ turn_sock->active_sock = NULL;
+ }
+
+ /* Get server address from session info */
+ pj_turn_session_get_info(sess, &info);
+
+ if (turn_sock->conn_type == PJ_TURN_TP_UDP)
+ sock_type = pj_SOCK_DGRAM();
+ else
+ sock_type = pj_SOCK_STREAM();
+
+ /* Init socket */
+ status = pj_sock_socket(turn_sock->af, sock_type, 0, &sock);
+ if (status != PJ_SUCCESS) {
+ pj_turn_sock_destroy(turn_sock);
+ return;
+ }
+
+ /* Bind socket */
+ cfg_bind_addr = &turn_sock->setting.bound_addr;
+ max_bind_retry = MAX_BIND_RETRY;
+ if (turn_sock->setting.port_range &&
+ turn_sock->setting.port_range < max_bind_retry)
+ {
+ max_bind_retry = turn_sock->setting.port_range;
+ }
+ pj_sockaddr_init(turn_sock->af, &bound_addr, NULL, 0);
+ if (cfg_bind_addr->addr.sa_family == pj_AF_INET() ||
+ cfg_bind_addr->addr.sa_family == pj_AF_INET6())
+ {
+ pj_sockaddr_cp(&bound_addr, cfg_bind_addr);
+ }
+ status = pj_sock_bind_random(sock, &bound_addr,
+ turn_sock->setting.port_range,
+ max_bind_retry);
+ if (status != PJ_SUCCESS) {
+ pj_turn_sock_destroy(turn_sock);
+ return;
+ }
+
+ /* Apply QoS, if specified */
+ status = pj_sock_apply_qos2(sock, turn_sock->setting.qos_type,
+ &turn_sock->setting.qos_params,
+ (turn_sock->setting.qos_ignore_error?2:1),
+ turn_sock->pool->obj_name, NULL);
+ if (status != PJ_SUCCESS && !turn_sock->setting.qos_ignore_error) {
+ pj_turn_sock_destroy(turn_sock);
+ return;
+ }
+
+ /* Apply socket buffer size */
+ if (turn_sock->setting.so_rcvbuf_size > 0) {
+ unsigned sobuf_size = turn_sock->setting.so_rcvbuf_size;
+ status = pj_sock_setsockopt_sobuf(sock, pj_SO_RCVBUF(),
+ PJ_TRUE, &sobuf_size);
+ if (status != PJ_SUCCESS) {
+ pj_perror(3, turn_sock->obj_name, status,
+ "Failed setting SO_RCVBUF");
+ } else {
+ if (sobuf_size < turn_sock->setting.so_rcvbuf_size) {
+ PJ_LOG(4, (turn_sock->obj_name,
+ "Warning! Cannot set SO_RCVBUF as configured,"
+ " now=%d, configured=%d", sobuf_size,
+ turn_sock->setting.so_rcvbuf_size));
+ } else {
+ PJ_LOG(5, (turn_sock->obj_name, "SO_RCVBUF set to %d",
+ sobuf_size));
+ }
+ }
+ }
+ if (turn_sock->setting.so_sndbuf_size > 0) {
+ unsigned sobuf_size = turn_sock->setting.so_sndbuf_size;
+ status = pj_sock_setsockopt_sobuf(sock, pj_SO_SNDBUF(),
+ PJ_TRUE, &sobuf_size);
+ if (status != PJ_SUCCESS) {
+ pj_perror(3, turn_sock->obj_name, status,
+ "Failed setting SO_SNDBUF");
+ } else {
+ if (sobuf_size < turn_sock->setting.so_sndbuf_size) {
+ PJ_LOG(4, (turn_sock->obj_name,
+ "Warning! Cannot set SO_SNDBUF as configured,"
+ " now=%d, configured=%d", sobuf_size,
+ turn_sock->setting.so_sndbuf_size));
+ } else {
+ PJ_LOG(5, (turn_sock->obj_name, "SO_SNDBUF set to %d",
+ sobuf_size));
+ }
+ }
+ }
+
+ /* Create active socket */
+ pj_activesock_cfg_default(&asock_cfg);
+ asock_cfg.grp_lock = turn_sock->grp_lock;
+
+ pj_bzero(&asock_cb, sizeof(asock_cb));
+ asock_cb.on_data_read = &on_data_read;
+ asock_cb.on_connect_complete = &on_connect_complete;
+ status = pj_activesock_create(turn_sock->pool, sock,
+ sock_type, &asock_cfg,
+ turn_sock->cfg.ioqueue, &asock_cb,
+ turn_sock,
+ &turn_sock->active_sock);
+ if (status != PJ_SUCCESS) {
+ pj_turn_sock_destroy(turn_sock);
+ return;
+ }
+
+ PJ_LOG(5,(turn_sock->pool->obj_name,
+ "Connecting to %s",
+ pj_sockaddr_print(&info.server, addrtxt,
+ sizeof(addrtxt), 3)));
+
+ /* Initiate non-blocking connect */
+#if PJ_HAS_TCP
+ status=pj_activesock_start_connect(turn_sock->active_sock,
+ turn_sock->pool,
+ &info.server,
+ pj_sockaddr_get_len(&info.server));
+ if (status == PJ_SUCCESS) {
+ on_connect_complete(turn_sock->active_sock, PJ_SUCCESS);
+ } else if (status != PJ_EPENDING) {
+ pj_turn_sock_destroy(turn_sock);
+ return;
+ }
+#else
+ on_connect_complete(turn_sock->active_sock, PJ_SUCCESS);
+#endif
+
+ /* Done for now. Subsequent work will be done in
+ * on_connect_complete() callback.
+ */
+ }
+
+ if (new_state >= PJ_TURN_STATE_DESTROYING && turn_sock->sess) {
+ pj_time_val delay = {0, 0};
+
+ turn_sock->sess = NULL;
+ pj_turn_session_set_user_data(sess, NULL);
+
+ pj_timer_heap_cancel_if_active(turn_sock->cfg.timer_heap,
+ &turn_sock->timer, 0);
+ pj_timer_heap_schedule_w_grp_lock(turn_sock->cfg.timer_heap,
+ &turn_sock->timer,
+ &delay, TIMER_DESTROY,
+ turn_sock->grp_lock);
+ }
+}
+
+