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tests: added fake http src plugin

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Added a fake http src plugin capable of generating data buffers for a
request of a http url. Can be used in tests to simulate http accesses.

https://bugzilla.gnome.org/show_bug.cgi?id=756322
This commit is contained in:
Alex Ashley 2015-10-09 21:23:20 +01:00 committed by Vincent Penquerc'h
parent c8ef39cac7
commit a38a9ba50d
2 changed files with 486 additions and 0 deletions
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433
tests/check/elements/fake_http_src.c Normal file
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/* GStreamer unit test for MPEG-DASH
*
* Copyright (c) <2015> YouView TV Ltd
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/check/gstcheck.h>
#include <gst/base/gstbasesrc.h>
#include "fake_http_src.h"
#ifndef GST_PACKAGE_NAME
#define GST_PACKAGE_NAME "gst-plugins-bad"
#endif
#ifndef GST_PACKAGE_ORIGIN
#define GST_PACKAGE_ORIGIN "https://developer.gnome.org/gstreamer/"
#endif
#define GST_FAKE_SOUP_HTTP_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_FAKE_SOUP_HTTP_SRC, GstFakeSoupHTTPSrc))
#define GST_FAKE_SOUP_HTTP_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_FAKE_SOUP_HTTP_SRC, GstFakeSoupHTTPSrcClass))
#define GST_IS_FAKE_SOUP_HTTP_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_FAKE_SOUP_HTTP_SRC))
#define GST_IS_FAKE_SOUP_HTTP_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_FAKE_SOUP_HTTP_SRC))
#define GST_FAKE_SOUP_HTTP_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_FAKE_SOUP_HTTP_SRC, GstFakeSoupHTTPSrcClass))
typedef struct _GstFakeSoupHTTPSrc
{
GstBaseSrc parent;
/* uri for which to retrieve data */
gchar *uri;
/* data to retrieve.
* If NULL, we will fake a buffer of size bytes, containing numbers in sequence
* 0, 4, 8, ...
* Each number is written on sizeof(int) bytes in little endian format
*/
const gchar *payload;
/* size of data to generate */
guint size;
/* position from where to retrieve data */
guint64 position;
/* index immediately after the last byte from the segment to be retrieved */
guint64 segment_end;
} GstFakeSoupHTTPSrc;
typedef struct _GstFakeSoupHTTPSrcClass
{
GstBaseSrcClass parent_class;
} GstFakeSoupHTTPSrcClass;
typedef struct _PluginInitContext
{
const gchar *name;
guint rank;
GType type;
} PluginInitContext;
static const GstFakeHttpSrcInputData *gst_fake_soup_http_src_inputData = NULL;
static GstStaticPadTemplate gst_dashdemux_test_source_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS_ANY);
static void gst_fake_soup_http_src_uri_handler_init (gpointer g_iface,
gpointer iface_data);
static void gst_fake_soup_http_src_finalize (GObject * object);
static gboolean gst_fake_soup_http_src_is_seekable (GstBaseSrc * basesrc);
static gboolean gst_fake_soup_http_src_do_seek (GstBaseSrc * basesrc,
GstSegment * segment);
static gboolean gst_fake_soup_http_src_start (GstBaseSrc * basesrc);
static gboolean gst_fake_soup_http_src_stop (GstBaseSrc * basesrc);
static gboolean gst_fake_soup_http_src_get_size (GstBaseSrc * basesrc,
guint64 * size);
static GstFlowReturn gst_fake_soup_http_src_create (GstBaseSrc * basesrc,
guint64 offset, guint length, GstBuffer ** ret);
#define _do_init \
G_IMPLEMENT_INTERFACE (GST_TYPE_URI_HANDLER, gst_fake_soup_http_src_uri_handler_init);
#define gst_fake_soup_http_src_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstFakeSoupHTTPSrc, gst_fake_soup_http_src,
GST_TYPE_BASE_SRC, _do_init);
static void
gst_fake_soup_http_src_class_init (GstFakeSoupHTTPSrcClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
GstBaseSrcClass *gstbasesrc_class;
gobject_class = G_OBJECT_CLASS (klass);
gstelement_class = GST_ELEMENT_CLASS (klass);
gstbasesrc_class = GST_BASE_SRC_CLASS (klass);
gobject_class->finalize = gst_fake_soup_http_src_finalize;
gst_element_class_set_metadata (gstelement_class,
"Fake HTTP source element for unit tests",
"Source/Network",
"Use in unit tests", "Alex Ashley <alex.ashley@youview.com>");
gst_element_class_add_pad_template (gstelement_class,
gst_static_pad_template_get (&gst_dashdemux_test_source_template));
gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_fake_soup_http_src_start);
gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_fake_soup_http_src_stop);
gstbasesrc_class->is_seekable =
GST_DEBUG_FUNCPTR (gst_fake_soup_http_src_is_seekable);
gstbasesrc_class->do_seek =
GST_DEBUG_FUNCPTR (gst_fake_soup_http_src_do_seek);
gstbasesrc_class->get_size =
GST_DEBUG_FUNCPTR (gst_fake_soup_http_src_get_size);
gstbasesrc_class->create = GST_DEBUG_FUNCPTR (gst_fake_soup_http_src_create);
}
static void
gst_fake_soup_http_src_init (GstFakeSoupHTTPSrc * src)
{
src->uri = NULL;
src->payload = NULL;
src->position = 0;
src->size = 0;
src->segment_end = 0;
gst_base_src_set_blocksize (GST_BASE_SRC (src),
GST_FAKE_SOUP_HTTP_SRC_MAX_BUF_SIZE);
}
static void
gst_fake_soup_http_src_finalize (GObject * object)
{
GstFakeSoupHTTPSrc *src;
src = GST_FAKE_SOUP_HTTP_SRC (object);
g_free (src->uri);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_fake_soup_http_src_start (GstBaseSrc * basesrc)
{
GstFakeSoupHTTPSrc *src;
const GstFakeHttpSrcInputData *input = gst_fake_soup_http_src_inputData;
src = GST_FAKE_SOUP_HTTP_SRC (basesrc);
if (!src->uri) {
GST_WARNING ("gst_fake_soup_http_src_start without location");
return FALSE;
}
for (guint i = 0; input[i].uri; ++i) {
if (strcmp (input[i].uri, src->uri) == 0) {
src->payload = input[i].payload;
src->position = 0;
if (src->payload)
src->size = strlen (src->payload);
else
src->size = input[i].size;
src->segment_end = src->size;
gst_base_src_set_dynamic_size (basesrc, FALSE);
return TRUE;
}
}
GST_WARNING
("gst_fake_soup_http_src_start cannot find url '%s' in input data",
src->uri);
return FALSE;
}
static gboolean
gst_fake_soup_http_src_stop (GstBaseSrc * basesrc)
{
GstFakeSoupHTTPSrc *src;
src = GST_FAKE_SOUP_HTTP_SRC (basesrc);
src->payload = NULL;
src->position = 0;
src->size = 0;
return TRUE;
}
static gboolean
gst_fake_soup_http_src_is_seekable (GstBaseSrc * basesrc)
{
GstFakeSoupHTTPSrc *src;
src = GST_FAKE_SOUP_HTTP_SRC (basesrc);
/* if size is set, we can seek */
return src->size > 0;
}
static gboolean
gst_fake_soup_http_src_do_seek (GstBaseSrc * basesrc, GstSegment * segment)
{
GstFakeSoupHTTPSrc *src;
GST_DEBUG ("gst_fake_soup_http_src_do_seek start = %" G_GUINT64_FORMAT,
segment->start);
src = GST_FAKE_SOUP_HTTP_SRC (basesrc);
/*
According to RFC7233, the range is inclusive:
The first-byte-pos value in a byte-range-spec gives the byte-offset
of the first byte in a range. The last-byte-pos value gives the
byte-offset of the last byte in the range; that is, the byte
positions specified are inclusive. Byte offsets start at zero.
*/
if (!src->uri) {
return FALSE;
}
if (segment->start >= src->size) {
return FALSE;
}
if (segment->stop != -1 && segment->stop + 1 > src->size) {
return FALSE;
}
src->position = segment->start;
if (segment->stop != -1) {
src->segment_end = segment->stop + 1;
}
return TRUE;
}
static gboolean
gst_fake_soup_http_src_get_size (GstBaseSrc * basesrc, guint64 * size)
{
GstFakeSoupHTTPSrc *src;
const GstFakeHttpSrcInputData *input = gst_fake_soup_http_src_inputData;
src = GST_FAKE_SOUP_HTTP_SRC (basesrc);
if (!src->uri) {
return FALSE;
}
/* if it was started (payload or size configured), size is set */
if (src->payload || src->size > 0) {
*size = src->size;
return TRUE;
}
/* it wasn't started, compute the size */
for (guint i = 0; input[i].uri; ++i) {
if (strcmp (input[i].uri, src->uri) == 0) {
if (input[i].payload)
*size = strlen (input[i].payload);
else
*size = input[i].size;
return TRUE;
}
}
return FALSE;
}
static GstFlowReturn
gst_fake_soup_http_src_create (GstBaseSrc * basesrc, guint64 offset,
guint length, GstBuffer ** ret)
{
GstFakeSoupHTTPSrc *src;
guint bytes_read;
GstBuffer *buf;
src = GST_FAKE_SOUP_HTTP_SRC (basesrc);
GST_DEBUG ("gst_fake_soup_http_src_create feeding from %" G_GUINT64_FORMAT,
src->position);
if (src->uri == NULL) {
GST_ELEMENT_ERROR (src, RESOURCE, READ, (NULL), GST_ERROR_SYSTEM);
return GST_FLOW_ERROR;
}
bytes_read = MIN ((src->segment_end - src->position),
GST_FAKE_SOUP_HTTP_SRC_MAX_BUF_SIZE);
if (bytes_read == 0) {
return GST_FLOW_EOS;
}
buf = gst_buffer_new_allocate (NULL, bytes_read, NULL);
fail_if (buf == NULL, "Not enough memory to allocate buffer");
if (src->payload) {
gst_buffer_fill (buf, 0, src->payload + src->position, bytes_read);
} else {
GstMapInfo info;
guint pattern;
pattern = src->position - src->position % sizeof (pattern);
gst_buffer_map (buf, &info, GST_MAP_WRITE);
for (guint64 i = 0; i < bytes_read; ++i) {
gchar pattern_byte_to_write = (src->position + i) % sizeof (pattern);
if (pattern_byte_to_write == 0) {
pattern = src->position + i;
}
info.data[i] = (pattern >> (pattern_byte_to_write * 8)) & 0xFF;
}
gst_buffer_unmap (buf, &info);
}
GST_BUFFER_OFFSET (buf) = src->position;
GST_BUFFER_OFFSET_END (buf) = src->position + bytes_read;
*ret = buf;
src->position += bytes_read;
return GST_FLOW_OK;
}
static gboolean
gst_fake_soup_http_src_set_location (GstFakeSoupHTTPSrc * src,
const gchar * uri, GError ** error)
{
g_free (src->uri);
src->uri = g_strdup (uri);
return TRUE;
}
static GstURIType
gst_fake_soup_http_src_uri_get_type (GType type)
{
return GST_URI_SRC;
}
static const gchar *const *
gst_fake_soup_http_src_uri_get_protocols (GType type)
{
static const gchar *protocols[] = { "http", NULL };
return protocols;
}
static gchar *
gst_fake_soup_http_src_uri_get_uri (GstURIHandler * handler)
{
GstFakeSoupHTTPSrc *src = GST_FAKE_SOUP_HTTP_SRC (handler);
return g_strdup (src->uri);
}
static gboolean
gst_fake_soup_http_src_uri_set_uri (GstURIHandler * handler, const gchar * uri,
GError ** err)
{
GstFakeSoupHTTPSrc *src = GST_FAKE_SOUP_HTTP_SRC (handler);
return gst_fake_soup_http_src_set_location (src, uri, err);
}
static void
gst_fake_soup_http_src_uri_handler_init (gpointer g_iface, gpointer iface_data)
{
GstURIHandlerInterface *iface = (GstURIHandlerInterface *) g_iface;
iface->get_type = gst_fake_soup_http_src_uri_get_type;
iface->get_protocols = gst_fake_soup_http_src_uri_get_protocols;
iface->get_uri = gst_fake_soup_http_src_uri_get_uri;
iface->set_uri = gst_fake_soup_http_src_uri_set_uri;
}
static gboolean
gst_fake_soup_http_src_plugin_init_func (GstPlugin * plugin, gpointer user_data)
{
PluginInitContext *context = (PluginInitContext *) user_data;
gboolean ret;
ret =
gst_element_register (plugin, context->name, context->rank,
context->type);
return ret;
}
gboolean
gst_fake_soup_http_src_register_plugin (GstRegistry * registry,
const gchar * name)
{
gboolean ret;
PluginInitContext context;
context.name = name;
context.rank = GST_RANK_PRIMARY + 1;
context.type = GST_TYPE_FAKE_SOUP_HTTP_SRC;
ret = gst_plugin_register_static_full (GST_VERSION_MAJOR, /* version */
GST_VERSION_MINOR, /* version */
name, /* name */
"Replaces a souphttpsrc plugin and returns predefined data.", /* description */
gst_fake_soup_http_src_plugin_init_func, /* init function */
"0.0.0", /* version string */
GST_LICENSE_UNKNOWN, /* license */
__FILE__, /* source */
GST_PACKAGE_NAME, /* package */
GST_PACKAGE_ORIGIN, /* origin */
&context /* user_data */
);
return ret;
}
/**
* gst_fake_soup_http_src_set_input_data:
* @input: array of #GstFakeHttpSrcInputData that is used when
* responding to a request. The last entry in the array must
* have the uri field set to NULL
*/
void
gst_fake_soup_http_src_set_input_data (const GstFakeHttpSrcInputData * input)
{
gst_fake_soup_http_src_inputData = input;
}

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tests/check/elements/fake_http_src.h Normal file
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/* Fake HTTP source element
*
* Copyright (c) <2015> YouView TV Ltd
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_FAKE_SOUP_HTTP_SRC (gst_fake_soup_http_src_get_type ())
/* structure used by tests to configure the GstFakeSoupHTTPSrc plugin.
* It specifies what data to be fed for the given uri.
* For the requested uri, it will return the data from payload.
* If the payload is NULL, it will fake a buffer of size bytes and return data from it.
* The buffer will contain a pattern, numbers 0, 4, 8, ... etc written on
* sizeof(int) bytes, in little endian format (eg if sizeof(int)=4, the first 12
* bytes are 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00)
* Size is used only if payload is NULL.
*/
typedef struct _GstFakeHttpSrcInputData
{
/* the uri for which data is being requested */
const gchar *uri;
/* the payload to be returned */
const gchar *payload;
/* the size of data to fake if payload is NULL */
guint64 size;
} GstFakeHttpSrcInputData;
/* GstFakeSoupHTTPSrc will send buffers up to this size */
#define GST_FAKE_SOUP_HTTP_SRC_MAX_BUF_SIZE (1024)
GType gst_fake_soup_http_src_get_type (void);
gboolean gst_fake_soup_http_src_register_plugin (GstRegistry * registry, const gchar * name);
void gst_fake_soup_http_src_set_input_data (const GstFakeHttpSrcInputData *input);