diff options
Diffstat (limited to 'gst-libs/gst/netbuffer/gstnetbuffer.c')
| -rw-r--r-- | gst-libs/gst/netbuffer/gstnetbuffer.c | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/gst-libs/gst/netbuffer/gstnetbuffer.c b/gst-libs/gst/netbuffer/gstnetbuffer.c deleted file mode 100644 index 3d389f9b..00000000 --- a/gst-libs/gst/netbuffer/gstnetbuffer.c +++ /dev/null @@ -1,448 +0,0 @@ -/* GStreamer - * Copyright (C) <2005> Wim Taymans <wim@fluendo.com> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/** - * SECTION:gstnetbuffer - * @short_description: Buffer for use in network sources and sinks - * - * #GstNetBuffer is a subclass of a normal #GstBuffer that contains two - * additional metadata fields of type #GstNetAddress named 'to' and 'from'. The - * buffer can be used to store additional information about the origin of the - * buffer data and is used in various network elements to track the to and from - * addresses. - * - * Last reviewed on 2006-08-21 (0.10.10) - */ - -#include <string.h> - -#include "gstnetbuffer.h" - -static void gst_netbuffer_init (GTypeInstance * instance, gpointer g_class); -static void gst_netbuffer_class_init (gpointer g_class, gpointer class_data); -static void gst_netbuffer_finalize (GstNetBuffer * nbuf); -static GstNetBuffer *gst_netbuffer_copy (GstNetBuffer * nbuf); - -static GstBufferClass *parent_class; - -GType -gst_netbuffer_get_type (void) -{ - static GType _gst_netbuffer_type = 0; - - if (G_UNLIKELY (_gst_netbuffer_type == 0)) { - static const GTypeInfo netbuffer_info = { - sizeof (GstNetBufferClass), - NULL, - NULL, - gst_netbuffer_class_init, - NULL, - NULL, - sizeof (GstNetBuffer), - 0, - gst_netbuffer_init, - NULL - }; - - _gst_netbuffer_type = g_type_register_static (GST_TYPE_BUFFER, - "GstNetBuffer", &netbuffer_info, 0); - } - return _gst_netbuffer_type; -} - -static void -gst_netbuffer_class_init (gpointer g_class, gpointer class_data) -{ - GstMiniObjectClass *mo_class = GST_MINI_OBJECT_CLASS (g_class); - - parent_class = g_type_class_peek_parent (g_class); - - mo_class->copy = (GstMiniObjectCopyFunction) gst_netbuffer_copy; - mo_class->finalize = (GstMiniObjectFinalizeFunction) gst_netbuffer_finalize; -} - -static void -gst_netbuffer_init (GTypeInstance * instance, gpointer g_class) -{ -} - -static void -gst_netbuffer_finalize (GstNetBuffer * nbuf) -{ - GST_MINI_OBJECT_CLASS (parent_class)->finalize (GST_MINI_OBJECT (nbuf)); -} - -static GstNetBuffer * -gst_netbuffer_copy (GstNetBuffer * nbuf) -{ - GstNetBuffer *copy; - - copy = gst_netbuffer_new (); - - /* we simply copy everything from our parent */ - GST_BUFFER_DATA (copy) = - g_memdup (GST_BUFFER_DATA (nbuf), GST_BUFFER_SIZE (nbuf)); - /* make sure it gets freed (even if the parent is subclassed, we return a - normal buffer) */ - GST_BUFFER_MALLOCDATA (copy) = GST_BUFFER_DATA (copy); - GST_BUFFER_SIZE (copy) = GST_BUFFER_SIZE (nbuf); - - memcpy (©->to, &nbuf->to, sizeof (nbuf->to)); - memcpy (©->from, &nbuf->from, sizeof (nbuf->from)); - - /* copy metadata */ - gst_buffer_copy_metadata (GST_BUFFER_CAST (copy), - GST_BUFFER_CAST (nbuf), GST_BUFFER_COPY_ALL); - - return copy; -} - -/** - * gst_netbuffer_new: - * - * Create a new network buffer. - * - * Returns: a new #GstNetBuffer. - */ -GstNetBuffer * -gst_netbuffer_new (void) -{ - GstNetBuffer *buf; - - buf = (GstNetBuffer *) gst_mini_object_new (GST_TYPE_NETBUFFER); - - return buf; -} - -/** - * gst_netaddress_set_ip4_address: - * @naddr: a network address - * @address: an IPv4 network address. - * @port: a port number to set. - * - * Set @naddr with the IPv4 @address and @port pair. - * - * Note that @port and @address must be expressed in network byte order, - * use g_htons() and g_htonl() to convert them to network byte order. - */ -void -gst_netaddress_set_ip4_address (GstNetAddress * naddr, guint32 address, - guint16 port) -{ - g_return_if_fail (naddr != NULL); - - naddr->type = GST_NET_TYPE_IP4; - naddr->address.ip4 = address; - naddr->port = port; -} - -/** - * gst_netaddress_set_ip6_address: - * @naddr: a network address - * @address: an IPv6 network address. - * @port: a port number to set. - * - * Set @naddr with the IPv6 @address and @port pair. - * - * Note that @port must be expressed in network byte order, use g_htons() to convert - * it to network byte order. - */ -void -gst_netaddress_set_ip6_address (GstNetAddress * naddr, guint8 address[16], - guint16 port) -{ - g_return_if_fail (naddr != NULL); - - naddr->type = GST_NET_TYPE_IP6; - memcpy (&naddr->address.ip6, address, 16); - naddr->port = port; -} - -/** - * gst_netaddress_get_net_type: - * @naddr: a network address - * - * Get the type of address stored in @naddr. - * - * Returns: the network type stored in @naddr. - */ -GstNetType -gst_netaddress_get_net_type (const GstNetAddress * naddr) -{ - g_return_val_if_fail (naddr != NULL, GST_NET_TYPE_UNKNOWN); - - return naddr->type; -} - -/** - * gst_netaddress_get_ip4_address: - * @naddr: a network address - * @address: a location to store the address. - * @port: a location to store the port. - * - * Get the IPv4 address stored in @naddr into @address. This function requires - * that the address type of @naddr is of type #GST_NET_TYPE_IP4. - * - * Note that @port and @address are expressed in network byte order, use - * g_ntohs() and g_ntohl() to convert them to host order. - * - * Returns: TRUE if the address could be retrieved. - */ -gboolean -gst_netaddress_get_ip4_address (const GstNetAddress * naddr, guint32 * address, - guint16 * port) -{ - g_return_val_if_fail (naddr != NULL, FALSE); - - if (naddr->type == GST_NET_TYPE_UNKNOWN || naddr->type == GST_NET_TYPE_IP6) - return FALSE; - - if (address) - *address = naddr->address.ip4; - if (port) - *port = naddr->port; - - return TRUE; -} - -/** - * gst_netaddress_get_ip6_address: - * @naddr: a network address - * @address: a location to store the result. - * @port: a location to store the port. - * - * Get the IPv6 address stored in @naddr into @address. - * - * If @naddr is of type GST_NET_TYPE_IP4, the transitional IP6 address is - * returned. - * - * Note that @port is expressed in network byte order, use g_ntohs() to convert - * it to host order. - * - * Returns: TRUE if the address could be retrieved. - */ -gboolean -gst_netaddress_get_ip6_address (const GstNetAddress * naddr, guint8 address[16], - guint16 * port) -{ - static guint8 ip4_transition[16] = - { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF }; - g_return_val_if_fail (naddr != NULL, FALSE); - - if (naddr->type == GST_NET_TYPE_UNKNOWN) - return FALSE; - - if (address) { - if (naddr->type == GST_NET_TYPE_IP6) { - memcpy (address, naddr->address.ip6, 16); - } else { /* naddr->type == GST_NET_TYPE_IP4 */ - memcpy (address, ip4_transition, 12); - memcpy (address + 12, (guint8 *) & (naddr->address.ip4), 4); - } - } - if (port) - *port = naddr->port; - - return TRUE; -} - -/** - * gst_netaddress_get_address_bytes: - * @naddr: a network address - * @address: a location to store the result. - * @port: a location to store the port. - * - * Get just the address bytes stored in @naddr into @address. - * - * Note that @port is expressed in network byte order, use g_ntohs() to convert - * it to host order. IP4 addresses are also stored in network byte order. - * - * Returns: number of bytes actually copied - * - * Since: 0.10.22 - */ -gint -gst_netaddress_get_address_bytes (const GstNetAddress * naddr, - guint8 address[16], guint16 * port) -{ - gint ret = 0; - - g_return_val_if_fail (naddr != NULL, FALSE); - - if (naddr->type == GST_NET_TYPE_UNKNOWN) - return 0; - - if (address) { - if (naddr->type == GST_NET_TYPE_IP6) { - memcpy (address, naddr->address.ip6, 16); - ret = 16; - } else { /* naddr->type == GST_NET_TYPE_IP4 */ - memcpy (address, (guint8 *) & (naddr->address.ip4), 4); - ret = 4; - } - } - if (port) - *port = naddr->port; - - return ret; -} - -/** - * gst_netaddress_set_address_bytes: - * @naddr: a network address - * @type: the address type (IPv4 or IPV6) - * @address: a location to store the result. - * @port: a location to store the port. - * - * Set just the address bytes stored in @naddr into @address. - * - * Note that @port must be expressed in network byte order, use g_htons() to - * convert it to network byte order order. IP4 address bytes must also be - * stored in network byte order. - * - * Returns: number of bytes actually copied - * - * Since: 0.10.22 - */ -gint -gst_netaddress_set_address_bytes (GstNetAddress * naddr, GstNetType type, - guint8 address[16], guint16 port) -{ - gint len = 0; - - g_return_val_if_fail (naddr != NULL, 0); - - naddr->type = type; - switch (naddr->type) { - case GST_NET_TYPE_UNKNOWN: - case GST_NET_TYPE_IP6: - len = 16; - memcpy (naddr->address.ip6, address, 16); - break; - case GST_NET_TYPE_IP4: - len = 4; - memcpy ((guint8 *) & (naddr->address.ip4), address, 4); - break; - } - - if (port) - naddr->port = port; - - return len; -} - -/** - * gst_netaddress_equal: - * @naddr1: The first #GstNetAddress - * @naddr2: The second #GstNetAddress - * - * Compare two #GstNetAddress structures - * - * Returns: TRUE if they are identical, FALSE otherwise - * - * Since: 0.10.18 - */ -gboolean -gst_netaddress_equal (const GstNetAddress * naddr1, - const GstNetAddress * naddr2) -{ - g_return_val_if_fail (naddr1 != NULL, FALSE); - g_return_val_if_fail (naddr2 != NULL, FALSE); - - if (naddr1->type != naddr2->type) - return FALSE; - - if (naddr1->port != naddr2->port) - return FALSE; - - switch (naddr1->type) { - case GST_NET_TYPE_IP4: - if (naddr1->address.ip4 != naddr2->address.ip4) - return FALSE; - break; - case GST_NET_TYPE_IP6: - if (memcmp (naddr1->address.ip6, naddr2->address.ip6, - sizeof (naddr1->address.ip6))) - return FALSE; - break; - default: - break; - } - return TRUE; -} - -/** - * gst_netaddress_to_string: - * @naddr: a #GstNetAddress - * @dest: destination - * @len: len of @dest - * - * Copies a string representation of @naddr into @dest. Up to @len bytes are - * copied. - * - * Returns: the number of bytes which would be produced if the buffer was large - * enough - * - * Since: 0.10.24 - */ -gint -gst_netaddress_to_string (const GstNetAddress * naddr, gchar * dest, gulong len) -{ - gint result; - - g_return_val_if_fail (naddr != NULL, FALSE); - g_return_val_if_fail (dest != NULL, FALSE); - - switch (naddr->type) { - case GST_NET_TYPE_IP4: - { - guint32 address; - guint16 port; - - gst_netaddress_get_ip4_address (naddr, &address, &port); - address = g_ntohl (address); - - result = g_snprintf (dest, len, "%d.%d.%d.%d:%d", (address >> 24) & 0xff, - (address >> 16) & 0xff, (address >> 8) & 0xff, address & 0xff, - g_ntohs (port)); - break; - } - case GST_NET_TYPE_IP6: - { - guint8 address[16]; - guint16 port; - - gst_netaddress_get_ip6_address (naddr, address, &port); - - result = - g_snprintf (dest, len, "[%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x]:%d", - (address[0] << 8) | address[1], (address[2] << 8) | address[3], - (address[4] << 8) | address[5], (address[6] << 8) | address[7], - (address[8] << 8) | address[9], (address[10] << 8) | address[11], - (address[12] << 8) | address[13], (address[14] << 8) | address[15], - g_ntohs (port)); - break; - } - default: - dest[0] = 0; - result = 0; - break; - } - return result; -} |