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Diffstat (limited to 'dom/media/webrtc/transport/third_party/nICEr/src/stun/nr_socket_buffered_stun.c')
-rw-r--r--dom/media/webrtc/transport/third_party/nICEr/src/stun/nr_socket_buffered_stun.c656
1 files changed, 656 insertions, 0 deletions
diff --git a/dom/media/webrtc/transport/third_party/nICEr/src/stun/nr_socket_buffered_stun.c b/dom/media/webrtc/transport/third_party/nICEr/src/stun/nr_socket_buffered_stun.c
new file mode 100644
index 0000000000..4b5b92fb75
--- /dev/null
+++ b/dom/media/webrtc/transport/third_party/nICEr/src/stun/nr_socket_buffered_stun.c
@@ -0,0 +1,656 @@
+/*
+Copyright (c) 2007, Adobe Systems, Incorporated
+Copyright (c) 2013, Mozilla
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+* Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in the
+ documentation and/or other materials provided with the distribution.
+
+* Neither the name of Adobe Systems, Network Resonance nor the names of its
+ contributors may be used to endorse or promote products derived from
+ this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <nr_api.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <assert.h>
+#include <inttypes.h>
+
+#include "p_buf.h"
+#include "nr_socket.h"
+#include "stun.h"
+#include "nr_socket_buffered_stun.h"
+
+#define NR_MAX_FRAME_SIZE 0xFFFF
+
+typedef struct nr_frame_header_ {
+ UINT2 frame_length;
+ char data[0];
+} nr_frame_header;
+
+typedef struct nr_socket_buffered_stun_ {
+ nr_socket *inner;
+ nr_transport_addr remote_addr;
+ int connected;
+
+ /* Read state */
+ int read_state;
+#define NR_ICE_SOCKET_READ_NONE 0
+#define NR_ICE_SOCKET_READ_HDR 1
+#define NR_ICE_SOCKET_READ_FAILED 2
+ UCHAR *buffer;
+ size_t buffer_size;
+ size_t bytes_needed;
+ size_t bytes_read;
+ NR_async_cb readable_cb;
+ void *readable_cb_arg;
+
+ /* Write state */
+ nr_p_buf_ctx *p_bufs;
+ nr_p_buf_head pending_writes;
+ size_t pending;
+ size_t max_pending;
+ nr_framing_type framing_type;
+} nr_socket_buffered_stun;
+
+static int nr_socket_buffered_stun_destroy(void **objp);
+static int nr_socket_buffered_stun_sendto(void *obj,const void *msg, size_t len,
+ int flags, const nr_transport_addr *to);
+static int nr_socket_buffered_stun_recvfrom(void *obj,void * restrict buf,
+ size_t maxlen, size_t *len, int flags, nr_transport_addr *from);
+static int nr_socket_buffered_stun_getfd(void *obj, NR_SOCKET *fd);
+static int nr_socket_buffered_stun_getaddr(void *obj, nr_transport_addr *addrp);
+static int nr_socket_buffered_stun_close(void *obj);
+static int nr_socket_buffered_stun_connect(void *sock, const nr_transport_addr *addr);
+static int nr_socket_buffered_stun_write(void *obj,const void *msg, size_t len, size_t *written);
+static void nr_socket_buffered_stun_writable_cb(NR_SOCKET s, int how, void *arg);
+static int nr_socket_buffered_stun_listen(void *obj, int backlog);
+static int nr_socket_buffered_stun_accept(void *obj, nr_transport_addr *addrp, nr_socket **sockp);
+
+static nr_socket_vtbl nr_socket_buffered_stun_vtbl={
+ 2,
+ nr_socket_buffered_stun_destroy,
+ nr_socket_buffered_stun_sendto,
+ nr_socket_buffered_stun_recvfrom,
+ nr_socket_buffered_stun_getfd,
+ nr_socket_buffered_stun_getaddr,
+ nr_socket_buffered_stun_connect,
+ 0,
+ 0,
+ nr_socket_buffered_stun_close,
+ nr_socket_buffered_stun_listen,
+ nr_socket_buffered_stun_accept
+};
+
+void nr_socket_buffered_stun_set_readable_cb(nr_socket *sock,
+ NR_async_cb readable_cb, void *readable_cb_arg)
+{
+ nr_socket_buffered_stun *buf_sock = (nr_socket_buffered_stun *)sock->obj;
+
+ buf_sock->readable_cb = readable_cb;
+ buf_sock->readable_cb_arg = readable_cb_arg;
+}
+
+int nr_socket_buffered_set_connected_to(nr_socket *sock, nr_transport_addr *remote_addr)
+{
+ nr_socket_buffered_stun *buf_sock = (nr_socket_buffered_stun *)sock->obj;
+ int r, _status;
+
+ if ((r=nr_transport_addr_copy(&buf_sock->remote_addr, remote_addr)))
+ ABORT(r);
+
+ buf_sock->connected = 1;
+
+ _status=0;
+abort:
+ return(_status);
+}
+
+int nr_socket_buffered_stun_create(nr_socket *inner, int max_pending,
+ nr_framing_type framing_type, nr_socket **sockp)
+{
+ int r, _status;
+ nr_socket_buffered_stun *sock = 0;
+ size_t frame_size;
+
+ if (!(sock = RCALLOC(sizeof(nr_socket_buffered_stun))))
+ ABORT(R_NO_MEMORY);
+
+ sock->inner = inner;
+ sock->framing_type = framing_type;
+
+ if ((r=nr_ip4_port_to_transport_addr(INADDR_ANY, 0, IPPROTO_TCP, &sock->remote_addr)))
+ ABORT(r);
+
+ switch (framing_type) {
+ case ICE_TCP_FRAMING:
+ frame_size = sizeof(nr_frame_header);
+ sock->buffer_size = sizeof(nr_frame_header) + NR_MAX_FRAME_SIZE;
+ sock->bytes_needed = sizeof(nr_frame_header);
+ break;
+ case TURN_TCP_FRAMING:
+ frame_size = 0;
+ sock->buffer_size = NR_STUN_MAX_MESSAGE_SIZE;
+ sock->bytes_needed = sizeof(nr_stun_message_header);
+ break;
+ default:
+ assert(0);
+ ABORT(R_BAD_ARGS);
+ }
+
+ /* TODO(ekr@rtfm.com): Check this */
+ if (!(sock->buffer = RMALLOC(sock->buffer_size)))
+ ABORT(R_NO_MEMORY);
+
+ sock->read_state = NR_ICE_SOCKET_READ_NONE;
+ sock->connected = 0;
+
+ STAILQ_INIT(&sock->pending_writes);
+ if ((r=nr_p_buf_ctx_create(sock->buffer_size, &sock->p_bufs)))
+ ABORT(r);
+ sock->max_pending = max_pending + frame_size;
+
+ if ((r=nr_socket_create_int(sock, &nr_socket_buffered_stun_vtbl, sockp)))
+ ABORT(r);
+
+ _status=0;
+abort:
+ if (_status && sock) {
+ void *sock_v = sock;
+ sock->inner = 0; /* Give up ownership so we don't destroy */
+ nr_socket_buffered_stun_destroy(&sock_v);
+ }
+ return(_status);
+}
+
+/* Note: This destroys the inner socket */
+int nr_socket_buffered_stun_destroy(void **objp)
+{
+ nr_socket_buffered_stun *sock;
+ NR_SOCKET fd;
+
+ if (!objp || !*objp)
+ return 0;
+
+ sock = (nr_socket_buffered_stun *)*objp;
+ *objp = 0;
+
+ /* Free the buffer if needed */
+ RFREE(sock->buffer);
+
+ /* Cancel waiting on the socket */
+ if (sock->inner && !nr_socket_getfd(sock->inner, &fd)) {
+ NR_ASYNC_CANCEL(fd, NR_ASYNC_WAIT_WRITE);
+ NR_ASYNC_CANCEL(fd, NR_ASYNC_WAIT_READ);
+ }
+
+ nr_p_buf_free_chain(sock->p_bufs, &sock->pending_writes);
+ nr_p_buf_ctx_destroy(&sock->p_bufs);
+ nr_socket_destroy(&sock->inner);
+ RFREE(sock);
+
+ return 0;
+}
+
+static int nr_socket_buffered_stun_sendto(void *obj,const void *msg, size_t len,
+ int flags, const nr_transport_addr *to)
+{
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)obj;
+ int r, _status;
+ size_t written;
+ nr_frame_header *frame = NULL;
+
+ /* Check that we are writing to the connected address if
+ connected */
+ if (!nr_transport_addr_is_wildcard(&sock->remote_addr)) {
+ if (nr_transport_addr_cmp(&sock->remote_addr, to, NR_TRANSPORT_ADDR_CMP_MODE_ALL)) {
+ r_log(LOG_GENERIC, LOG_ERR, "Sendto on connected socket doesn't match");
+ ABORT(R_BAD_DATA);
+ }
+ }
+
+ if (sock->framing_type == ICE_TCP_FRAMING) {
+
+ assert(len <= NR_MAX_FRAME_SIZE);
+ if (len > NR_MAX_FRAME_SIZE)
+ ABORT(R_FAILED);
+
+ if (!(frame = RMALLOC(len + sizeof(nr_frame_header))))
+ ABORT(R_NO_MEMORY);
+
+ frame->frame_length = htons(len);
+ memcpy(frame->data, msg, len);
+ len += sizeof(nr_frame_header);
+ msg = frame;
+ }
+
+ if ((r=nr_socket_buffered_stun_write(obj, msg, len, &written)))
+ ABORT(r);
+
+ if (len != written)
+ ABORT(R_IO_ERROR);
+
+ _status=0;
+abort:
+ RFREE(frame);
+ return _status;
+}
+
+static void nr_socket_buffered_stun_failed(nr_socket_buffered_stun *sock)
+ {
+ NR_SOCKET fd;
+
+ sock->read_state = NR_ICE_SOCKET_READ_FAILED;
+
+ /* Cancel waiting on the socket */
+ if (sock->inner && !nr_socket_getfd(sock->inner, &fd)) {
+ NR_ASYNC_CANCEL(fd, NR_ASYNC_WAIT_WRITE);
+ NR_ASYNC_CANCEL(fd, NR_ASYNC_WAIT_READ);
+ }
+ }
+
+static int nr_socket_buffered_stun_recvfrom(void *obj,void * restrict buf,
+ size_t maxlen, size_t *len, int flags, nr_transport_addr *from)
+{
+ int r, _status;
+ size_t bytes_read;
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)obj;
+ nr_frame_header *frame = (nr_frame_header *)sock->buffer;
+ size_t skip_hdr_size = (sock->framing_type == ICE_TCP_FRAMING) ? sizeof(nr_frame_header) : 0;
+
+ if (sock->read_state == NR_ICE_SOCKET_READ_FAILED) {
+ ABORT(R_FAILED);
+ }
+
+ while (sock->bytes_needed) {
+ /* Read all the expected bytes */
+ assert(sock->bytes_needed <= sock->buffer_size - sock->bytes_read);
+
+ if(r=nr_socket_read(sock->inner,
+ sock->buffer + sock->bytes_read,
+ sock->bytes_needed, &bytes_read, 0))
+ ABORT(r);
+
+ assert(bytes_read <= sock->bytes_needed);
+ sock->bytes_needed -= bytes_read;
+ sock->bytes_read += bytes_read;
+
+ /* Unfinished */
+ if (sock->bytes_needed)
+ ABORT(R_WOULDBLOCK);
+
+ /* No more bytes expected */
+ if (sock->read_state == NR_ICE_SOCKET_READ_NONE) {
+ size_t remaining_length;
+ if (sock->framing_type == ICE_TCP_FRAMING) {
+ if (sock->bytes_read < sizeof(nr_frame_header))
+ ABORT(R_BAD_DATA);
+ remaining_length = ntohs(frame->frame_length);
+ } else {
+ int tmp_length;
+
+ /* Parse the header */
+ if (r = nr_stun_message_length(sock->buffer, sock->bytes_read, &tmp_length))
+ ABORT(r);
+ assert(tmp_length >= 0);
+ if (tmp_length < 0)
+ ABORT(R_BAD_DATA);
+ remaining_length = tmp_length;
+
+ }
+ /* Check to see if we have enough room */
+ if ((sock->buffer_size - sock->bytes_read) < remaining_length)
+ ABORT(R_BAD_DATA);
+
+ sock->read_state = NR_ICE_SOCKET_READ_HDR;
+ /* Set ourselves up to read the rest of the data */
+ sock->bytes_needed = remaining_length;
+ }
+ }
+
+ assert(skip_hdr_size <= sock->bytes_read);
+ if (skip_hdr_size > sock->bytes_read)
+ ABORT(R_BAD_DATA);
+ sock->bytes_read -= skip_hdr_size;
+
+ if (maxlen < sock->bytes_read)
+ ABORT(R_BAD_ARGS);
+
+ *len = sock->bytes_read;
+ memcpy(buf, sock->buffer + skip_hdr_size, sock->bytes_read);
+
+ sock->bytes_read = 0;
+ sock->read_state = NR_ICE_SOCKET_READ_NONE;
+ sock->bytes_needed = (sock->framing_type == ICE_TCP_FRAMING) ? sizeof(nr_frame_header) : sizeof(nr_stun_message_header);
+
+ if ((r = nr_transport_addr_copy(from, &sock->remote_addr))) ABORT(r);
+
+ _status=0;
+abort:
+ if (_status && (_status != R_WOULDBLOCK)) {
+ nr_socket_buffered_stun_failed(sock);
+ }
+
+ return(_status);
+}
+
+static int nr_socket_buffered_stun_getfd(void *obj, NR_SOCKET *fd)
+{
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)obj;
+
+ return nr_socket_getfd(sock->inner, fd);
+}
+
+static int nr_socket_buffered_stun_getaddr(void *obj, nr_transport_addr *addrp)
+{
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)obj;
+
+ return nr_socket_getaddr(sock->inner, addrp);
+}
+
+static int nr_socket_buffered_stun_close(void *obj)
+{
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)obj;
+ NR_SOCKET fd;
+
+ /* Cancel waiting on the socket */
+ if (sock->inner && !nr_socket_getfd(sock->inner, &fd)) {
+ NR_ASYNC_CANCEL(fd, NR_ASYNC_WAIT_WRITE);
+ }
+
+ return nr_socket_close(sock->inner);
+}
+
+static int nr_socket_buffered_stun_listen(void *obj, int backlog)
+{
+ int r, _status;
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)obj;
+
+ if (!sock->inner)
+ ABORT(R_FAILED);
+
+ if ((r=nr_socket_listen(sock->inner, backlog)))
+ ABORT(r);
+
+ _status=0;
+abort:
+ return(_status);
+}
+
+
+static int nr_socket_buffered_stun_accept(void *obj, nr_transport_addr *addrp, nr_socket **sockp)
+{
+ nr_socket_buffered_stun *bsock = (nr_socket_buffered_stun *)obj;
+
+ return nr_socket_accept(bsock->inner, addrp, sockp);
+}
+
+static void nr_socket_buffered_stun_connected_cb(NR_SOCKET s, int how, void *arg)
+{
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)arg;
+ int r, _status;
+ NR_SOCKET fd;
+
+ assert(!sock->connected);
+
+ sock->connected = 1;
+
+ if ((r=nr_socket_getfd(sock->inner, &fd)))
+ ABORT(r);
+ NR_ASYNC_CANCEL(fd, NR_ASYNC_WAIT_WRITE);
+
+ // once connected arm for read
+ if (sock->readable_cb) {
+ NR_ASYNC_WAIT(fd, NR_ASYNC_WAIT_READ, sock->readable_cb, sock->readable_cb_arg);
+ }
+
+ if (sock->pending) {
+ r_log(LOG_GENERIC, LOG_INFO, "Invoking writable_cb on connected (%u)", (uint32_t) sock->pending);
+ nr_socket_buffered_stun_writable_cb(s, how, arg);
+ }
+
+ _status=0;
+abort:
+ if (_status) {
+ r_log(LOG_GENERIC, LOG_ERR, "Failure in nr_socket_buffered_stun_connected_cb: %d", _status);
+
+ }
+}
+
+static int nr_socket_buffered_stun_connect(void *obj, const nr_transport_addr *addr)
+{
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)obj;
+ int r, _status;
+
+ if ((r=nr_transport_addr_copy(&sock->remote_addr, addr)))
+ ABORT(r);
+
+ if ((r=nr_socket_connect(sock->inner, addr))) {
+ if (r == R_WOULDBLOCK) {
+ NR_SOCKET fd;
+
+ if ((r=nr_socket_getfd(sock->inner, &fd)))
+ ABORT(r);
+
+ NR_ASYNC_WAIT(fd, NR_ASYNC_WAIT_WRITE, nr_socket_buffered_stun_connected_cb, sock);
+ ABORT(R_WOULDBLOCK);
+ }
+ ABORT(r);
+ } else {
+ r_log(LOG_GENERIC, LOG_INFO, "Connected without blocking");
+ sock->connected = 1;
+ }
+
+ _status=0;
+abort:
+ return(_status);
+}
+
+static int nr_socket_buffered_stun_arm_writable_cb(nr_socket_buffered_stun *sock)
+{
+ int r, _status;
+ NR_SOCKET fd;
+
+ if ((r=nr_socket_getfd(sock->inner, &fd)))
+ ABORT(r);
+
+ NR_ASYNC_WAIT(fd, NR_ASYNC_WAIT_WRITE, nr_socket_buffered_stun_writable_cb, sock);
+
+ _status=0;
+abort:
+ return(_status);
+}
+
+static int nr_socket_buffered_stun_write(void *obj,const void *msg, size_t len, size_t *written)
+{
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)obj;
+ int already_armed = 0;
+ int r,_status;
+ size_t written2 = 0;
+ size_t original_len = len;
+
+ /* Buffers are close to full, report error. Do this now so we never
+ get partial writes */
+ if ((sock->pending + len) > sock->max_pending) {
+ r_log(LOG_GENERIC, LOG_INFO, "Write buffer for %s full (%u + %u > %u) - re-arming @%p",
+ sock->remote_addr.as_string, (uint32_t)sock->pending, (uint32_t)len, (uint32_t)sock->max_pending,
+ &(sock->pending));
+ ABORT(R_WOULDBLOCK);
+ }
+
+
+ if (sock->connected && !sock->pending) {
+ r = nr_socket_write(sock->inner, msg, len, &written2, 0);
+ if (r) {
+ if (r != R_WOULDBLOCK) {
+ r_log(LOG_GENERIC, LOG_ERR, "Write error for %s - %d",
+ sock->remote_addr.as_string, r);
+ ABORT(r);
+ }
+ r_log(LOG_GENERIC, LOG_INFO, "Write of %" PRIu64 " blocked for %s",
+ (uint64_t) len, sock->remote_addr.as_string);
+
+ written2=0;
+ }
+ } else {
+ already_armed = 1;
+ }
+
+ /* Buffer what's left */
+ len -= written2;
+
+ if (len) {
+ if ((r=nr_p_buf_write_to_chain(sock->p_bufs, &sock->pending_writes,
+ ((UCHAR *)msg) + written2, len))) {
+ r_log(LOG_GENERIC, LOG_ERR, "Write_to_chain error for %s - %d",
+ sock->remote_addr.as_string, r);
+
+ ABORT(r);
+ }
+
+ sock->pending += len;
+ }
+
+ if (sock->pending) {
+ if (!already_armed) {
+ if ((r=nr_socket_buffered_stun_arm_writable_cb(sock)))
+ ABORT(r);
+ }
+ r_log(LOG_GENERIC, LOG_INFO, "Write buffer not empty for %s %u - %s armed (@%p),%s connected",
+ sock->remote_addr.as_string, (uint32_t)sock->pending,
+ already_armed ? "already" : "", &sock->pending,
+ sock->connected ? "" : " not");
+ }
+
+ *written = original_len;
+
+ _status=0;
+abort:
+ return _status;
+}
+
+static void nr_socket_buffered_stun_writable_cb(NR_SOCKET s, int how, void *arg)
+{
+ nr_socket_buffered_stun *sock = (nr_socket_buffered_stun *)arg;
+ int r,_status;
+ nr_p_buf *n1, *n2;
+
+ if (sock->read_state == NR_ICE_SOCKET_READ_FAILED) {
+ ABORT(R_FAILED);
+ }
+
+ /* Try to flush */
+ STAILQ_FOREACH_SAFE(n1, &sock->pending_writes, entry, n2) {
+ size_t written = 0;
+
+ if ((r=nr_socket_write(sock->inner, n1->data + n1->r_offset,
+ n1->length - n1->r_offset,
+ &written, 0))) {
+
+ r_log(LOG_GENERIC, LOG_ERR, "Write error for %s - %d",
+ sock->remote_addr.as_string, r);
+ ABORT(r);
+ }
+
+ n1->r_offset += written;
+ assert(sock->pending >= written);
+ sock->pending -= written;
+
+ if (n1->r_offset < n1->length) {
+ /* We wrote something, but not everything */
+ r_log(LOG_GENERIC, LOG_INFO, "Write in callback didn't write all (remaining %u of %u) for %s",
+ n1->length - n1->r_offset, n1->length,
+ sock->remote_addr.as_string);
+ ABORT(R_WOULDBLOCK);
+ }
+
+ /* We are done with this p_buf */
+ STAILQ_REMOVE_HEAD(&sock->pending_writes, entry);
+ nr_p_buf_free(sock->p_bufs, n1);
+ }
+
+ assert(!sock->pending);
+ _status=0;
+abort:
+ r_log(LOG_GENERIC, LOG_INFO, "Writable_cb %s (%u (%p) pending)",
+ sock->remote_addr.as_string, (uint32_t)sock->pending, &(sock->pending));
+ if (_status && _status != R_WOULDBLOCK) {
+ r_log(LOG_GENERIC, LOG_ERR, "Failure in writable_cb: %d", _status);
+ nr_socket_buffered_stun_failed(sock);
+ /* Report this failure up; the only way to do this is a readable callback.
+ * Once the user tries to read (using nr_socket_buffered_stun_recvfrom), it
+ * will notice that there has been a failure. */
+ if (sock->readable_cb) {
+ sock->readable_cb(s, NR_ASYNC_WAIT_READ, sock->readable_cb_arg);
+ }
+ } else if (sock->pending) {
+ nr_socket_buffered_stun_arm_writable_cb(sock);
+ }
+}
+
+int nr_socket_buffered_stun_reset(nr_socket* sock_arg, nr_socket* new_inner) {
+ int r, _status;
+ NR_SOCKET fd;
+
+ nr_socket_buffered_stun* sock = (nr_socket_buffered_stun*)sock_arg->obj;
+
+ if (sock->inner && !nr_socket_getfd(sock->inner, &fd)) {
+ r_log(LOG_GENERIC, LOG_DEBUG, "In %s, canceling wait on old socket", __FUNCTION__);
+ NR_ASYNC_CANCEL(fd, NR_ASYNC_WAIT_WRITE);
+ NR_ASYNC_CANCEL(fd, NR_ASYNC_WAIT_READ);
+ }
+
+ nr_socket_destroy(&sock->inner);
+ sock->inner = new_inner;
+
+ sock->read_state = NR_ICE_SOCKET_READ_NONE;
+ sock->connected = 0;
+
+ sock->bytes_read = 0;
+ sock->bytes_needed = (sock->framing_type == ICE_TCP_FRAMING)
+ ? sizeof(nr_frame_header)
+ : sizeof(nr_stun_message_header);
+ sock->pending = 0;
+
+ nr_p_buf_free_chain(sock->p_bufs, &sock->pending_writes);
+ nr_p_buf_ctx_destroy(&sock->p_bufs);
+
+ STAILQ_INIT(&sock->pending_writes);
+
+ if ((r = nr_p_buf_ctx_create(sock->buffer_size, &sock->p_bufs))) {
+ ABORT(r);
+ }
+
+ if ((r = nr_ip4_port_to_transport_addr(INADDR_ANY, 0, IPPROTO_TCP,
+ &sock->remote_addr))) {
+ ABORT(r);
+ }
+
+ _status = 0;
+abort:
+ return (_status);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-12 03:24:21 +0000