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-rw-r--r--gst/tcp/gsttcpclientsrc.c83
-rw-r--r--gst/tcp/gsttcpclientsrc.h3
-rw-r--r--meson.build2
3 files changed, 87 insertions, 1 deletions
diff --git a/gst/tcp/gsttcpclientsrc.c b/gst/tcp/gsttcpclientsrc.c
index b601f1c21..b236e1a3b 100644
--- a/gst/tcp/gsttcpclientsrc.c
+++ b/gst/tcp/gsttcpclientsrc.c
@@ -43,6 +43,16 @@
#include "config.h"
#endif
+/* macOS and iOS have the .h files but the tcp_info struct is private API */
+#if defined(HAVE_NETINET_TCP_H) && defined(HAVE_NETINET_IN_H) && defined(HAVE_SYS_SOCKET_H)
+#include <netinet/tcp.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#if defined(TCP_INFO)
+#define HAVE_SOCKET_METRIC_HEADERS
+#endif
+#endif
+
#include <gst/gst-i18n-plugin.h>
#include "gsttcpclientsrc.h"
#include "gsttcp.h"
@@ -65,7 +75,8 @@ enum
PROP_0,
PROP_HOST,
PROP_PORT,
- PROP_TIMEOUT
+ PROP_TIMEOUT,
+ PROP_STATS,
};
#define gst_tcp_client_src_parent_class parent_class
@@ -88,6 +99,7 @@ static void gst_tcp_client_src_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_tcp_client_src_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
+static GstStructure *gst_tcp_client_src_get_stats (GstTCPClientSrc * src);
static void
gst_tcp_client_src_class_init (GstTCPClientSrcClass * klass)
@@ -128,6 +140,30 @@ gst_tcp_client_src_class_init (GstTCPClientSrcClass * klass)
G_MAXUINT, TCP_DEFAULT_TIMEOUT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ /**
+ * GstTCPClientSrc::stats:
+ *
+ * Sends a GstStructure with statistics. We count bytes-received in a
+ * platform-independent way and the rest via the tcp_info struct, if it's
+ * available. The OS takes care of the TCP layer for us so we can't know it
+ * from here.
+ *
+ * Struct members:
+ *
+ * bytes-received (uint64): Total bytes received (platform-independent)
+ * reordering (uint): Amount of reordering (linux-specific)
+ * unacked (uint): Un-acked packets (linux-specific)
+ * sacked (uint): Selective acked packets (linux-specific)
+ * lost (uint): Lost packets (linux-specific)
+ * retrans (uint): Retransmits (linux-specific)
+ * fackets (uint): Forward acknowledgement (linux-specific)
+ *
+ * Since: 1.18
+ */
+ g_object_class_install_property (gobject_class, PROP_STATS,
+ g_param_spec_boxed ("stats", "Stats", "Retrieve a statistics structure",
+ GST_TYPE_STRUCTURE, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
gst_element_class_add_static_pad_template (gstelement_class, &srctemplate);
gst_element_class_set_static_metadata (gstelement_class,
@@ -172,6 +208,7 @@ gst_tcp_client_src_finalize (GObject * gobject)
this->socket = NULL;
g_free (this->host);
this->host = NULL;
+ gst_clear_structure (&this->stats);
G_OBJECT_CLASS (parent_class)->finalize (gobject);
}
@@ -278,6 +315,7 @@ gst_tcp_client_src_create (GstPushSrc * psrc, GstBuffer ** outbuf)
ret = GST_FLOW_OK;
gst_buffer_unmap (*outbuf, &map);
gst_buffer_resize (*outbuf, 0, rret);
+ src->bytes_received += read;
GST_LOG_OBJECT (src,
"Returning buffer from _get of size %" G_GSIZE_FORMAT ", ts %"
@@ -363,6 +401,9 @@ gst_tcp_client_src_get_property (GObject * object, guint prop_id,
case PROP_TIMEOUT:
g_value_set_uint (value, tcpclientsrc->timeout);
break;
+ case PROP_STATS:
+ g_value_take_boxed (value, gst_tcp_client_src_get_stats (tcpclientsrc));
+ break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@@ -379,6 +420,9 @@ gst_tcp_client_src_start (GstBaseSrc * bsrc)
GSocketAddress *saddr;
GResolver *resolver;
+ src->bytes_received = 0;
+ gst_clear_structure (&src->stats);
+
/* look up name if we need to */
addr = g_inet_address_new_from_string (src->host);
if (!addr) {
@@ -480,6 +524,8 @@ gst_tcp_client_src_stop (GstBaseSrc * bsrc)
if (src->socket) {
GST_DEBUG_OBJECT (src, "closing socket");
+ src->stats = gst_tcp_client_src_get_stats (src);
+
if (!g_socket_close (src->socket, &err)) {
GST_ERROR_OBJECT (src, "Failed to close socket: %s", err->message);
g_clear_error (&err);
@@ -517,3 +563,38 @@ gst_tcp_client_src_unlock_stop (GstBaseSrc * bsrc)
return TRUE;
}
+
+static GstStructure *
+gst_tcp_client_src_get_stats (GstTCPClientSrc * src)
+{
+ GstStructure *s;
+
+ /* we can't get the values post stop so just return the saved ones */
+ if (src->stats)
+ return gst_structure_copy (src->stats);
+
+ s = gst_structure_new ("GstTCPClientSrcStats",
+ "bytes-received", G_TYPE_UINT64, src->bytes_received, NULL);
+
+#ifdef HAVE_SOCKET_METRIC_HEADERS
+ if (src->socket) {
+ struct tcp_info info;
+ socklen_t info_len = sizeof info;
+ int fd;
+
+ fd = g_socket_get_fd (src->socket);
+
+ if (getsockopt (fd, IPPROTO_TCP, TCP_INFO, &info, &info_len) == 0) {
+ gst_structure_set (s,
+ "reordering", G_TYPE_UINT, info.tcpi_reordering,
+ "unacked", G_TYPE_UINT, info.tcpi_unacked,
+ "sacked", G_TYPE_UINT, info.tcpi_sacked,
+ "lost", G_TYPE_UINT, info.tcpi_lost,
+ "retrans", G_TYPE_UINT, info.tcpi_retrans,
+ "fackets", G_TYPE_UINT, info.tcpi_fackets, NULL);
+ }
+ }
+#endif
+
+ return s;
+}
diff --git a/gst/tcp/gsttcpclientsrc.h b/gst/tcp/gsttcpclientsrc.h
index 582cb670f..85fe64795 100644
--- a/gst/tcp/gsttcpclientsrc.h
+++ b/gst/tcp/gsttcpclientsrc.h
@@ -60,6 +60,9 @@ struct _GstTCPClientSrc {
/* socket */
GSocket *socket;
GCancellable *cancellable;
+
+ guint64 bytes_received;
+ GstStructure *stats;
};
struct _GstTCPClientSrcClass {
diff --git a/meson.build b/meson.build
index 789b73cf8..967fdabb5 100644
--- a/meson.build
+++ b/meson.build
@@ -112,6 +112,8 @@ check_headers = [
['HAVE_EMMINTRIN_H', 'emmintrin.h'],
['HAVE_INTTYPES_H', 'inttypes.h'],
['HAVE_MEMORY_H', 'memory.h'],
+ ['HAVE_NETINET_IN_H', 'netinet/in.h'],
+ ['HAVE_NETINET_TCP_H', 'netinet/tcp.h'],
['HAVE_PROCESS_H', 'process.h'],
['HAVE_SMMINTRIN_H', 'smmintrin.h'],
['HAVE_STDINT_H', 'stdint.h'],