diff options
Diffstat (limited to 'gst/tcp/gsttcpserversrc.c')
| -rw-r--r-- | gst/tcp/gsttcpserversrc.c | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/gst/tcp/gsttcpserversrc.c b/gst/tcp/gsttcpserversrc.c deleted file mode 100644 index 1273e0a8..00000000 --- a/gst/tcp/gsttcpserversrc.c +++ /dev/null @@ -1,486 +0,0 @@ -/* GStreamer - * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> - * Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org> - * - * 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:element-tcpserversrc - * @see_also: #tcpserversink - * - * <refsect2> - * <title>Example launch line</title> - * |[ - * # server: - * gst-launch tcpserversrc protocol=none port=3000 ! fdsink fd=2 - * # client: - * gst-launch fdsrc fd=1 ! tcpclientsink protocol=none port=3000 - * ]| - * </refsect2> - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <gst/gst-i18n-plugin.h> -#include "gsttcp.h" -#include "gsttcpserversrc.h" -#include <string.h> /* memset */ -#include <unistd.h> -#include <sys/ioctl.h> -#include <fcntl.h> - - -GST_DEBUG_CATEGORY_STATIC (tcpserversrc_debug); -#define GST_CAT_DEFAULT tcpserversrc_debug - -#define TCP_DEFAULT_LISTEN_HOST NULL /* listen on all interfaces */ -#define TCP_BACKLOG 1 /* client connection queue */ - - -static const GstElementDetails gst_tcp_server_src_details = -GST_ELEMENT_DETAILS ("TCP server source", - "Source/Network", - "Receive data as a server over the network via TCP", - "Thomas Vander Stichele <thomas at apestaart dot org>"); - -static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", - GST_PAD_SRC, - GST_PAD_ALWAYS, - GST_STATIC_CAPS_ANY); - - -enum -{ - PROP_0, - PROP_HOST, - PROP_PORT, - PROP_PROTOCOL -}; - - -GST_BOILERPLATE (GstTCPServerSrc, gst_tcp_server_src, GstPushSrc, - GST_TYPE_PUSH_SRC); - - -static void gst_tcp_server_src_finalize (GObject * gobject); - -static gboolean gst_tcp_server_src_start (GstBaseSrc * bsrc); -static gboolean gst_tcp_server_src_stop (GstBaseSrc * bsrc); -static gboolean gst_tcp_server_src_unlock (GstBaseSrc * bsrc); -static GstFlowReturn gst_tcp_server_src_create (GstPushSrc * psrc, - GstBuffer ** buf); - -static void gst_tcp_server_src_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec); -static void gst_tcp_server_src_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec); - - -static void -gst_tcp_server_src_base_init (gpointer g_class) -{ - GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); - - gst_element_class_add_pad_template (element_class, - gst_static_pad_template_get (&srctemplate)); - - gst_element_class_set_details (element_class, &gst_tcp_server_src_details); -} - -static void -gst_tcp_server_src_class_init (GstTCPServerSrcClass * klass) -{ - GObjectClass *gobject_class; - GstBaseSrcClass *gstbasesrc_class; - GstPushSrcClass *gstpush_src_class; - - gobject_class = (GObjectClass *) klass; - gstbasesrc_class = (GstBaseSrcClass *) klass; - gstpush_src_class = (GstPushSrcClass *) klass; - - gobject_class->set_property = gst_tcp_server_src_set_property; - gobject_class->get_property = gst_tcp_server_src_get_property; - gobject_class->finalize = gst_tcp_server_src_finalize; - - g_object_class_install_property (gobject_class, PROP_HOST, - g_param_spec_string ("host", "Host", "The hostname to listen as", - TCP_DEFAULT_LISTEN_HOST, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_PORT, - g_param_spec_int ("port", "Port", "The port to listen to", - 0, TCP_HIGHEST_PORT, TCP_DEFAULT_PORT, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - g_object_class_install_property (gobject_class, PROP_PROTOCOL, - g_param_spec_enum ("protocol", "Protocol", "The protocol to wrap data in", - GST_TYPE_TCP_PROTOCOL, GST_TCP_PROTOCOL_NONE, - G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); - - gstbasesrc_class->start = gst_tcp_server_src_start; - gstbasesrc_class->stop = gst_tcp_server_src_stop; - gstbasesrc_class->unlock = gst_tcp_server_src_unlock; - - gstpush_src_class->create = gst_tcp_server_src_create; - - GST_DEBUG_CATEGORY_INIT (tcpserversrc_debug, "tcpserversrc", 0, - "TCP Server Source"); -} - -static void -gst_tcp_server_src_init (GstTCPServerSrc * src, GstTCPServerSrcClass * g_class) -{ - src->server_port = TCP_DEFAULT_PORT; - src->host = g_strdup (TCP_DEFAULT_HOST); - src->server_sock_fd.fd = -1; - src->client_sock_fd.fd = -1; - src->protocol = GST_TCP_PROTOCOL_NONE; - - GST_OBJECT_FLAG_UNSET (src, GST_TCP_SERVER_SRC_OPEN); -} - -static void -gst_tcp_server_src_finalize (GObject * gobject) -{ - GstTCPServerSrc *src = GST_TCP_SERVER_SRC (gobject); - - g_free (src->host); - - G_OBJECT_CLASS (parent_class)->finalize (gobject); -} - -static GstFlowReturn -gst_tcp_server_src_create (GstPushSrc * psrc, GstBuffer ** outbuf) -{ - GstTCPServerSrc *src; - GstFlowReturn ret = GST_FLOW_OK; - - src = GST_TCP_SERVER_SRC (psrc); - - if (!GST_OBJECT_FLAG_IS_SET (src, GST_TCP_SERVER_SRC_OPEN)) - goto wrong_state; - -restart: - if (src->client_sock_fd.fd >= 0) { - /* if we have a client, wait for read */ - gst_poll_fd_ctl_read (src->fdset, &src->server_sock_fd, FALSE); - gst_poll_fd_ctl_read (src->fdset, &src->client_sock_fd, TRUE); - } else { - /* else wait on server socket for connections */ - gst_poll_fd_ctl_read (src->fdset, &src->server_sock_fd, TRUE); - } - - /* no action (0) is an error too in our case */ - if ((ret = gst_poll_wait (src->fdset, GST_CLOCK_TIME_NONE)) <= 0) { - if (ret == -1 && errno == EBUSY) - goto select_cancelled; - else - goto select_error; - } - - /* if we have no client socket we can accept one now */ - if (src->client_sock_fd.fd < 0) { - if (gst_poll_fd_can_read (src->fdset, &src->server_sock_fd)) { - if ((src->client_sock_fd.fd = - accept (src->server_sock_fd.fd, - (struct sockaddr *) &src->client_sin, - &src->client_sin_len)) == -1) - goto accept_error; - - gst_poll_add_fd (src->fdset, &src->client_sock_fd); - } - /* and restart now to poll the socket. */ - goto restart; - } - - GST_LOG_OBJECT (src, "asked for a buffer"); - - switch (src->protocol) { - case GST_TCP_PROTOCOL_NONE: - ret = gst_tcp_read_buffer (GST_ELEMENT (src), src->client_sock_fd.fd, - src->fdset, outbuf); - break; - - case GST_TCP_PROTOCOL_GDP: - if (!src->caps_received) { - GstCaps *caps; - gchar *string; - - ret = gst_tcp_gdp_read_caps (GST_ELEMENT (src), src->client_sock_fd.fd, - src->fdset, &caps); - - if (ret == GST_FLOW_WRONG_STATE) - goto gdp_cancelled; - - if (ret != GST_FLOW_OK) - goto gdp_caps_read_error; - - src->caps_received = TRUE; - string = gst_caps_to_string (caps); - GST_DEBUG_OBJECT (src, "Received caps through GDP: %s", string); - g_free (string); - - gst_pad_set_caps (GST_BASE_SRC_PAD (psrc), caps); - } - - ret = gst_tcp_gdp_read_buffer (GST_ELEMENT (src), src->client_sock_fd.fd, - src->fdset, outbuf); - - if (ret == GST_FLOW_OK) - gst_buffer_set_caps (*outbuf, GST_PAD_CAPS (GST_BASE_SRC_PAD (src))); - - break; - - default: - /* need to assert as buf == NULL */ - g_assert ("Unhandled protocol type"); - break; - } - - if (ret == GST_FLOW_OK) { - GST_LOG_OBJECT (src, - "Returning buffer from _get of size %d, ts %" - GST_TIME_FORMAT ", dur %" GST_TIME_FORMAT - ", offset %" G_GINT64_FORMAT ", offset_end %" G_GINT64_FORMAT, - GST_BUFFER_SIZE (*outbuf), - GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (*outbuf)), - GST_TIME_ARGS (GST_BUFFER_DURATION (*outbuf)), - GST_BUFFER_OFFSET (*outbuf), GST_BUFFER_OFFSET_END (*outbuf)); - } - - return ret; - -wrong_state: - { - GST_DEBUG_OBJECT (src, "connection to closed, cannot read data"); - return GST_FLOW_WRONG_STATE; - } -select_error: - { - GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), - ("Select error: %s", g_strerror (errno))); - return GST_FLOW_ERROR; - } -select_cancelled: - { - GST_DEBUG_OBJECT (src, "select canceled"); - return GST_FLOW_WRONG_STATE; - } -accept_error: - { - GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), - ("Could not accept client on server socket: %s", g_strerror (errno))); - return GST_FLOW_ERROR; - } -gdp_cancelled: - { - GST_DEBUG_OBJECT (src, "reading gdp canceled"); - return GST_FLOW_WRONG_STATE; - } -gdp_caps_read_error: - { - /* if we did not get canceled, report an error */ - if (ret != GST_FLOW_WRONG_STATE) { - GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), - ("Could not read caps through GDP")); - } - return ret; - } -} - -static void -gst_tcp_server_src_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) -{ - GstTCPServerSrc *tcpserversrc = GST_TCP_SERVER_SRC (object); - - switch (prop_id) { - case PROP_HOST: - if (!g_value_get_string (value)) { - g_warning ("host property cannot be NULL"); - break; - } - g_free (tcpserversrc->host); - tcpserversrc->host = g_strdup (g_value_get_string (value)); - break; - case PROP_PORT: - tcpserversrc->server_port = g_value_get_int (value); - break; - case PROP_PROTOCOL: - tcpserversrc->protocol = g_value_get_enum (value); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -static void -gst_tcp_server_src_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) -{ - GstTCPServerSrc *tcpserversrc = GST_TCP_SERVER_SRC (object); - - switch (prop_id) { - case PROP_HOST: - g_value_set_string (value, tcpserversrc->host); - break; - case PROP_PORT: - g_value_set_int (value, tcpserversrc->server_port); - break; - case PROP_PROTOCOL: - g_value_set_enum (value, tcpserversrc->protocol); - break; - - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } -} - -/* set up server */ -static gboolean -gst_tcp_server_src_start (GstBaseSrc * bsrc) -{ - int ret; - GstTCPServerSrc *src = GST_TCP_SERVER_SRC (bsrc); - - /* reset caps_received flag */ - src->caps_received = FALSE; - - /* create the server listener socket */ - if ((src->server_sock_fd.fd = socket (AF_INET, SOCK_STREAM, 0)) == -1) - goto socket_error; - - GST_DEBUG_OBJECT (src, "opened receiving server socket with fd %d", - src->server_sock_fd.fd); - - /* make address reusable */ - ret = 1; - if (setsockopt (src->server_sock_fd.fd, SOL_SOCKET, SO_REUSEADDR, &ret, - sizeof (int)) < 0) - goto sock_opt; - - /* name the socket */ - memset (&src->server_sin, 0, sizeof (src->server_sin)); - src->server_sin.sin_family = AF_INET; /* network socket */ - src->server_sin.sin_port = htons (src->server_port); /* on port */ - if (src->host) { - gchar *host; - - if (!(host = gst_tcp_host_to_ip (GST_ELEMENT (src), src->host))) - goto host_error; - src->server_sin.sin_addr.s_addr = inet_addr (host); - g_free (host); - } else - src->server_sin.sin_addr.s_addr = htonl (INADDR_ANY); - - /* bind it */ - GST_DEBUG_OBJECT (src, "binding server socket to address"); - if ((ret = bind (src->server_sock_fd.fd, (struct sockaddr *) &src->server_sin, - sizeof (src->server_sin))) < 0) - goto bind_error; - - GST_DEBUG_OBJECT (src, "listening on server socket %d with queue of %d", - src->server_sock_fd.fd, TCP_BACKLOG); - - if (listen (src->server_sock_fd.fd, TCP_BACKLOG) == -1) - goto listen_error; - - /* create an fdset to keep track of our file descriptors */ - if ((src->fdset = gst_poll_new (TRUE)) == NULL) - goto socket_pair; - - gst_poll_add_fd (src->fdset, &src->server_sock_fd); - - GST_DEBUG_OBJECT (src, "received client"); - - GST_OBJECT_FLAG_SET (src, GST_TCP_SERVER_SRC_OPEN); - - return TRUE; - - /* ERRORS */ -socket_error: - { - GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM); - return FALSE; - } -sock_opt: - { - GST_ELEMENT_ERROR (src, RESOURCE, SETTINGS, (NULL), - ("Could not setsockopt: %s", g_strerror (errno))); - gst_tcp_socket_close (&src->server_sock_fd); - return FALSE; - } -host_error: - { - gst_tcp_socket_close (&src->server_sock_fd); - return FALSE; - } -bind_error: - { - gst_tcp_socket_close (&src->server_sock_fd); - switch (errno) { - default: - GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), - ("bind failed: %s", g_strerror (errno))); - break; - } - return FALSE; - } -listen_error: - { - gst_tcp_socket_close (&src->server_sock_fd); - GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), - ("Could not listen on server socket: %s", g_strerror (errno))); - return FALSE; - } -socket_pair: - { - GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ_WRITE, (NULL), - GST_ERROR_SYSTEM); - gst_tcp_socket_close (&src->server_sock_fd); - return FALSE; - } -} - -static gboolean -gst_tcp_server_src_stop (GstBaseSrc * bsrc) -{ - GstTCPServerSrc *src = GST_TCP_SERVER_SRC (bsrc); - - gst_poll_free (src->fdset); - src->fdset = NULL; - - gst_tcp_socket_close (&src->server_sock_fd); - gst_tcp_socket_close (&src->client_sock_fd); - - GST_OBJECT_FLAG_UNSET (src, GST_TCP_SERVER_SRC_OPEN); - - return TRUE; -} - -/* will be called only between calls to start() and stop() */ -static gboolean -gst_tcp_server_src_unlock (GstBaseSrc * bsrc) -{ - GstTCPServerSrc *src = GST_TCP_SERVER_SRC (bsrc); - - gst_poll_set_flushing (src->fdset, TRUE); - - return TRUE; -} |