From 983cd81f2cea48f64b53f461e189686ab088ac9b Mon Sep 17 00:00:00 2001 From: Edgard Lima Date: Fri, 22 Dec 2006 16:23:32 +0000 Subject: Added seek support. Original commit message from CVS: Added seek support. --- ext/neon/gstneonhttpsrc.c | 1009 ++++++++++++++++++++++++--------------------- ext/neon/gstneonhttpsrc.h | 5 + 2 files changed, 545 insertions(+), 469 deletions(-) (limited to 'ext') diff --git a/ext/neon/gstneonhttpsrc.c b/ext/neon/gstneonhttpsrc.c index 5777dbb4..4c380c97 100644 --- a/ext/neon/gstneonhttpsrc.c +++ b/ext/neon/gstneonhttpsrc.c @@ -1,5 +1,7 @@ /* GStreamer * Copyright (C) <2005> Edgard Lima + * Copyright (C) <2006> Rosfran Borges + * Copyright (C) <2006> Andre Moreira Magalhaes * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public @@ -29,20 +31,24 @@ #define HTTP_DEFAULT_HOST "localhost" #define HTTP_DEFAULT_PORT 80 #define HTTPS_DEFAULT_PORT 443 +#define HTTP_SOCKET_ERROR -2 +#define HTTP_REQUEST_WRONG_PROXY -1 GST_DEBUG_CATEGORY_STATIC (neonhttpsrc_debug); #define GST_CAT_DEFAULT neonhttpsrc_debug -#define MAX_READ_SIZE (4 * 1024) +#define MAX_READ_SIZE (4 * 1024) /* max number of HTTP redirects, when iterating over a sequence of HTTP 302 status code */ -#define MAX_HTTP_REDIRECTS_NUMBER 5 +#define MAX_HTTP_REDIRECTS_NUMBER 5 static const GstElementDetails gst_neonhttp_src_details = GST_ELEMENT_DETAILS ("HTTP client source", "Source/Network", "Receive data as a client over the network via HTTP using NEON", - "Edgard Lima "); + "Edgard Lima , " + "Rosfran Borges , " + "Andre Moreira Magalhaes "); static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, @@ -60,34 +66,41 @@ enum PROP_IRADIO_NAME, PROP_IRADIO_GENRE, PROP_IRADIO_URL, - PROP_NEON_HTTP_REDIRECT + PROP_NEON_HTTP_REDIRECT, #ifndef GST_DISABLE_GST_DEBUG - , PROP_NEON_HTTP_DBG + PROP_NEON_HTTP_DBG #endif }; -static void oom_callback (); - -static gboolean set_proxy (GstNeonhttpSrc * src, const char *uri, - ne_uri * parsed, gboolean set_default); -static gboolean set_uri (GstNeonhttpSrc * src, const char *uri, ne_uri * parsed, - gboolean * ishttps, gchar ** uristr, gboolean set_default); - -static void gst_neonhttp_src_finalize (GObject * gobject); +static void gst_neonhttp_src_uri_handler_init (gpointer g_iface, + gpointer iface_data); +static void gst_neonhttp_src_dispose (GObject * gobject); +static void gst_neonhttp_src_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec); +static void gst_neonhttp_src_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec); static GstFlowReturn gst_neonhttp_src_create (GstPushSrc * psrc, GstBuffer ** outbuf); static gboolean gst_neonhttp_src_start (GstBaseSrc * bsrc); static gboolean gst_neonhttp_src_stop (GstBaseSrc * bsrc); static gboolean gst_neonhttp_src_get_size (GstBaseSrc * bsrc, guint64 * size); - -static void gst_neonhttp_src_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec); -static void gst_neonhttp_src_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec); - -static void -gst_neonhttp_src_uri_handler_init (gpointer g_iface, gpointer iface_data); +static gboolean gst_neonhttp_src_is_seekable (GstBaseSrc * bsrc); +static gboolean gst_neonhttp_src_do_seek (GstBaseSrc * bsrc, + GstSegment * segment); + +static gboolean gst_neonhttp_src_set_proxy (GstNeonhttpSrc * src, + const gchar * uri, ne_uri * parsed, gboolean set_default); +static gboolean gst_neonhttp_src_set_uri (GstNeonhttpSrc * src, + const gchar * uri, ne_uri * parsed, gboolean * ishttps, gchar ** uristr, + gboolean set_default); +static gint gst_neonhttp_src_send_request_and_redirect (GstNeonhttpSrc * src, + ne_session ** ses, ne_request ** req, gint64 offset, gboolean do_redir); +static gint gst_neonhttp_src_request_dispatch (GstNeonhttpSrc * src, + GstBuffer * outbuf); +static void gst_neonhttp_src_close_session (GstNeonhttpSrc * src); +static gchar *gst_neonhttp_src_unicodify (const gchar * str); +static void oom_callback (void); static void _urihandler_init (GType type) @@ -123,15 +136,15 @@ gst_neonhttp_src_class_init (GstNeonhttpSrcClass * klass) { GObjectClass *gobject_class; GstBaseSrcClass *gstbasesrc_class; - GstPushSrcClass *gstpush_src_class; + GstPushSrcClass *gstpushsrc_class; gobject_class = (GObjectClass *) klass; gstbasesrc_class = (GstBaseSrcClass *) klass; - gstpush_src_class = (GstPushSrcClass *) klass; + gstpushsrc_class = (GstPushSrcClass *) klass; gobject_class->set_property = gst_neonhttp_src_set_property; gobject_class->get_property = gst_neonhttp_src_get_property; - gobject_class->finalize = gst_neonhttp_src_finalize; + gobject_class->dispose = gst_neonhttp_src_dispose; g_object_class_install_property (gobject_class, PROP_LOCATION, @@ -202,127 +215,213 @@ gst_neonhttp_src_class_init (GstNeonhttpSrcClass * klass) gstbasesrc_class->start = GST_DEBUG_FUNCPTR (gst_neonhttp_src_start); gstbasesrc_class->stop = GST_DEBUG_FUNCPTR (gst_neonhttp_src_stop); gstbasesrc_class->get_size = GST_DEBUG_FUNCPTR (gst_neonhttp_src_get_size); + gstbasesrc_class->is_seekable = + GST_DEBUG_FUNCPTR (gst_neonhttp_src_is_seekable); + gstbasesrc_class->do_seek = GST_DEBUG_FUNCPTR (gst_neonhttp_src_do_seek); - gstpush_src_class->create = GST_DEBUG_FUNCPTR (gst_neonhttp_src_create); + gstpushsrc_class->create = GST_DEBUG_FUNCPTR (gst_neonhttp_src_create); GST_DEBUG_CATEGORY_INIT (neonhttpsrc_debug, "neonhttpsrc", 0, "NEON HTTP Client Source"); } static void -gst_neonhttp_src_init (GstNeonhttpSrc * this, GstNeonhttpSrcClass * g_class) +gst_neonhttp_src_init (GstNeonhttpSrc * src, GstNeonhttpSrcClass * g_class) { - this->session = NULL; - this->request = NULL; - - memset (&this->uri, 0, sizeof (this->uri)); - this->uristr = NULL; - memset (&this->proxy, 0, sizeof (this->proxy)); - this->ishttps = FALSE; - this->content_size = -1; - - set_uri (this, NULL, &this->uri, &this->ishttps, &this->uristr, TRUE); - set_proxy (this, NULL, &this->proxy, TRUE); - - this->user_agent = g_strdup ("neonhttpsrc"); - - this->iradio_mode = FALSE; - this->iradio_name = NULL; - this->iradio_genre = NULL; - this->iradio_url = NULL; - this->icy_caps = NULL; - this->icy_metaint = 0; + memset (&src->uri, 0, sizeof (src->uri)); + memset (&src->proxy, 0, sizeof (src->proxy)); + src->content_size = -1; + + gst_neonhttp_src_set_uri (src, NULL, &src->uri, &src->ishttps, &src->uristr, + TRUE); + gst_neonhttp_src_set_proxy (src, NULL, &src->proxy, TRUE); + + src->user_agent = g_strdup ("neonhttpsrc"); + src->seekable = TRUE; } static void -gst_neonhttp_src_finalize (GObject * gobject) +gst_neonhttp_src_dispose (GObject * gobject) { - GstNeonhttpSrc *this = GST_NEONHTTP_SRC (gobject); + GstNeonhttpSrc *src = GST_NEONHTTP_SRC (gobject); - ne_uri_free (&this->uri); - ne_uri_free (&this->proxy); + ne_uri_free (&src->uri); + ne_uri_free (&src->proxy); - g_free (this->user_agent); - g_free (this->iradio_name); - g_free (this->iradio_genre); - g_free (this->iradio_url); + g_free (src->user_agent); + g_free (src->iradio_name); + g_free (src->iradio_genre); + g_free (src->iradio_url); - if (this->icy_caps) { - gst_caps_unref (this->icy_caps); - this->icy_caps = NULL; + if (src->icy_caps) { + gst_caps_unref (src->icy_caps); + src->icy_caps = NULL; } - if (this->request) { - ne_request_destroy (this->request); - this->request = NULL; + if (src->request) { + ne_request_destroy (src->request); + src->request = NULL; } - if (this->session) { - ne_close_connection (this->session); - ne_session_destroy (this->session); - this->session = NULL; + if (src->session) { + ne_close_connection (src->session); + ne_session_destroy (src->session); + src->session = NULL; } - if (this->uristr) { - ne_free (this->uristr); + if (src->uristr) { + ne_free (src->uristr); } - G_OBJECT_CLASS (parent_class)->finalize (gobject); + G_OBJECT_CLASS (parent_class)->dispose (gobject); } -static int -request_dispatch (GstNeonhttpSrc * src, GstBuffer * outbuf) +static void +gst_neonhttp_src_set_property (GObject * object, guint prop_id, + const GValue * value, GParamSpec * pspec) { - int ret; - int read = 0; - int sizetoread = GST_BUFFER_SIZE (outbuf); - - /* Loop sending the request: - * Retry whilst authentication fails and we supply it. */ - - ssize_t len = 0; + GstNeonhttpSrc *src = GST_NEONHTTP_SRC (object); - while (sizetoread > 0) { - len = ne_read_response_block (src->request, - (char *) GST_BUFFER_DATA (outbuf) + read, sizetoread); - if (len > 0) { - read += len; - sizetoread -= len; - } else { + switch (prop_id) { + case PROP_PROXY: + { + if (!g_value_get_string (value)) { + GST_WARNING ("proxy property cannot be NULL"); + goto done; + } + if (!gst_neonhttp_src_set_proxy (src, g_value_get_string (value), + &src->proxy, FALSE)) { + GST_WARNING ("badly formated proxy"); + goto done; + } break; } - + case PROP_URI: + case PROP_LOCATION: + { + if (!g_value_get_string (value)) { + GST_WARNING ("location property cannot be NULL"); + goto done; + } + if (!gst_neonhttp_src_set_uri (src, g_value_get_string (value), &src->uri, + &src->ishttps, &src->uristr, FALSE)) { + GST_WARNING ("badly formated location"); + goto done; + } + break; + } + case PROP_USER_AGENT: + { + if (src->user_agent) { + g_free (src->user_agent); + src->user_agent = NULL; + } + if (g_value_get_string (value)) { + src->user_agent = g_strdup (g_value_get_string (value)); + } + break; + } + case PROP_IRADIO_MODE: + { + src->iradio_mode = g_value_get_boolean (value); + break; + } + case PROP_NEON_HTTP_REDIRECT: + { + src->neon_http_redirect = g_value_get_boolean (value); + break; + } +#ifndef GST_DISABLE_GST_DEBUG + case PROP_NEON_HTTP_DBG: + { + src->neon_http_msgs_dbg = g_value_get_boolean (value); + break; + } +#endif + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; } +done: + return; +} - GST_BUFFER_SIZE (outbuf) = read; +static void +gst_neonhttp_src_get_property (GObject * object, guint prop_id, + GValue * value, GParamSpec * pspec) +{ + GstNeonhttpSrc *neonhttpsrc = GST_NEONHTTP_SRC (object); - if (len < 0) { - read = -2; - goto done; - } else if (len == 0) { - ret = ne_end_request (src->request); - if (ret != NE_RETRY) { - if (ret == NE_OK) { - src->eos = TRUE; + switch (prop_id) { + case PROP_PROXY: + { + gchar *str; + + if (neonhttpsrc->proxy.host) { + str = ne_uri_unparse (&neonhttpsrc->proxy); + if (!str) + break; + g_value_set_string (value, str); + ne_free (str); } else { - read = -3; + g_value_set_string (value, ""); } + break; } - goto done; - } + case PROP_URI: + case PROP_LOCATION: + { + gchar *str; -done: - return read; + if (neonhttpsrc->uri.host) { + str = ne_uri_unparse (&neonhttpsrc->uri); + if (!str) + break; + g_value_set_string (value, str); + ne_free (str); + } else { + g_value_set_string (value, ""); + } + break; + } + case PROP_USER_AGENT: + { + g_value_set_string (value, neonhttpsrc->user_agent); + break; + } + case PROP_IRADIO_MODE: + g_value_set_boolean (value, neonhttpsrc->iradio_mode); + break; + case PROP_IRADIO_NAME: + g_value_set_string (value, neonhttpsrc->iradio_name); + break; + case PROP_IRADIO_GENRE: + g_value_set_string (value, neonhttpsrc->iradio_genre); + break; + case PROP_IRADIO_URL: + g_value_set_string (value, neonhttpsrc->iradio_url); + break; + case PROP_NEON_HTTP_REDIRECT: + g_value_set_boolean (value, neonhttpsrc->neon_http_redirect); + break; +#ifndef GST_DISABLE_GST_DEBUG + case PROP_NEON_HTTP_DBG: + g_value_set_boolean (value, neonhttpsrc->neon_http_msgs_dbg); + break; +#endif + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } } - static GstFlowReturn gst_neonhttp_src_create (GstPushSrc * psrc, GstBuffer ** outbuf) { GstNeonhttpSrc *src; GstBaseSrc *basesrc; GstFlowReturn ret; - int read; + gint read; src = GST_NEONHTTP_SRC (psrc); basesrc = GST_BASE_SRC_CAST (psrc); @@ -340,7 +439,7 @@ gst_neonhttp_src_create (GstPushSrc * psrc, GstBuffer ** outbuf) if (G_UNLIKELY (ret != GST_FLOW_OK)) goto done; - read = request_dispatch (src, *outbuf); + read = gst_neonhttp_src_request_dispatch (src, *outbuf); if (G_UNLIKELY (read < 0)) goto read_error; @@ -364,56 +463,13 @@ read_error: } } -/* The following two charset mangling functions were copied from gnomevfssrc. - * Preserve them under the unverified assumption that they do something vaguely - * worthwhile. - */ -static char * -unicodify (const char *str, int len, ...) -{ - char *ret = NULL, *cset; - va_list args; - gsize bytes_read, bytes_written; - - if (g_utf8_validate (str, len, NULL)) - return g_strndup (str, len >= 0 ? len : strlen (str)); - - va_start (args, len); - while ((cset = va_arg (args, char *)) != NULL) - { - if (!strcmp (cset, "locale")) - ret = g_locale_to_utf8 (str, len, &bytes_read, &bytes_written, NULL); - else - ret = g_convert (str, len, "UTF-8", cset, - &bytes_read, &bytes_written, NULL); - if (ret) - break; - } - va_end (args); - - return ret; -} - -static char * -gst_neonhttp_src_unicodify (const char *str) -{ - return unicodify (str, -1, "locale", "ISO-8859-1", NULL); -} - -#define HTTP_SOCKET_ERROR -2 -#define HTTP_REQUEST_WRONG_PROXY -1 - -/** - * Try to send the HTTP request to the Icecast server, and if possible deals with - * all the probable redirections (HTTP status code == 302) - */ -static gint -send_request_and_redirect (GstNeonhttpSrc * src, gboolean do_redir) +/* create a socket for connecting to remote server */ +static gboolean +gst_neonhttp_src_start (GstBaseSrc * bsrc) { + GstNeonhttpSrc *src = GST_NEONHTTP_SRC (bsrc); + const gchar *content_length; gint res; - gint http_status = 0; - - guint request_count = 0; #ifndef GST_DISABLE_GST_DEBUG if (src->neon_http_msgs_dbg) @@ -422,126 +478,49 @@ send_request_and_redirect (GstNeonhttpSrc * src, gboolean do_redir) ne_oom_callback (oom_callback); - if ((res = ne_sock_init ()) != 0) - return HTTP_SOCKET_ERROR; - - do { - - src->session = - ne_session_create (src->uri.scheme, src->uri.host, src->uri.port); - - if (src->proxy.host && src->proxy.port) { - ne_session_proxy (src->session, src->proxy.host, src->proxy.port); - } else if (src->proxy.host || src->proxy.port) { - /* both proxy host and port must be specified or none */ - return HTTP_REQUEST_WRONG_PROXY; - } + if (ne_sock_init () != 0) + return FALSE; - src->request = ne_request_create (src->session, "GET", src->uri.path); + res = gst_neonhttp_src_send_request_and_redirect (src, + &src->session, &src->request, 0, src->neon_http_redirect); - if (src->user_agent) { - ne_add_request_header (src->request, "User-Agent", src->user_agent); + if (res != NE_OK || !src->session) { + if (res == HTTP_SOCKET_ERROR) { +#ifndef GST_DISABLE_GST_DEBUG + if (src->neon_http_msgs_dbg) { + GST_ERROR_OBJECT (src, "HTTP Request failed when opening socket!"); + } +#endif + goto init_failed; + } else if (res == HTTP_REQUEST_WRONG_PROXY) { +#ifndef GST_DISABLE_GST_DEBUG + if (src->neon_http_msgs_dbg) { + GST_ERROR_OBJECT (src, + "Proxy Server URI is invalid to the HTTP Request!"); + } +#endif + goto wrong_proxy; + } else { +#ifndef GST_DISABLE_GST_DEBUG + if (src->neon_http_msgs_dbg) { + GST_ERROR_OBJECT (src, "HTTP Request failed, error unrecognized!"); + } +#endif + goto begin_req_failed; } + } - if (src->iradio_mode) { - ne_add_request_header (src->request, "icy-metadata", "1"); - } + content_length = ne_get_response_header (src->request, "Content-Length"); - res = ne_begin_request (src->request); + if (content_length) + src->content_size = g_ascii_strtoull (content_length, NULL, 10); + else + src->content_size = -1; - if (res == NE_OK) { - /* When the HTTP status code is 302, it is not the SHOUTcast streaming content yet; - * Reload the HTTP request with a new URI value */ - http_status = ne_get_status (src->request)->code; - if (http_status == 302) { - const gchar *redir; - - /* the new URI value to go when redirecting can be found on the 'Location' HTTP header */ - redir = ne_get_response_header (src->request, "Location"); - if (redir != NULL) { - ne_uri_free (&src->uri); - set_uri (src, redir, &src->uri, &src->ishttps, &src->uristr, FALSE); -#ifndef GST_DISABLE_GST_DEBUG - if (src->neon_http_msgs_dbg) - GST_LOG_OBJECT (src, - "--> Got HTTP Status Code %d; Using 'Location' header [%s]", - http_status, src->uri.host); -#endif - } - - } - /* if - http_status == 302 */ - } - /* if - NE_OK */ - ++request_count; - if (http_status == 302) { - GST_WARNING_OBJECT (src, "%s %s.", - (request_count < MAX_HTTP_REDIRECTS_NUMBER) - && do_redir ? "Redirecting to" : - "WILL NOT redirect, try it again with a different URI; an alternative is", - src->uri.host); - /* FIXME: when not redirecting automatically, shouldn't we post a - * redirect element message on the bus? */ - } -#ifndef GST_DISABLE_GST_DEBUG - if (src->neon_http_msgs_dbg) - GST_LOG_OBJECT (src, "--> request_count = %d", request_count); -#endif - - /* do the redirect, go back to send another HTTP request now using the 'Location' */ - } while (do_redir && (request_count < MAX_HTTP_REDIRECTS_NUMBER) - && http_status == 302); - - return res; - -} - -/* create a socket for connecting to remote server */ -static gboolean -gst_neonhttp_src_start (GstBaseSrc * bsrc) -{ - GstNeonhttpSrc *src = GST_NEONHTTP_SRC (bsrc); - const char *content_length; - - gint res = send_request_and_redirect (src, src->neon_http_redirect); - - if (res != NE_OK) { - if (res == HTTP_SOCKET_ERROR) { -#ifndef GST_DISABLE_GST_DEBUG - if (src->neon_http_msgs_dbg) { - GST_ERROR_OBJECT (src, "HTTP Request failed when opening socket!"); - } -#endif - goto init_failed; - } else if (res == HTTP_REQUEST_WRONG_PROXY) { -#ifndef GST_DISABLE_GST_DEBUG - if (src->neon_http_msgs_dbg) { - GST_ERROR_OBJECT (src, - "Proxy Server URI is invalid to the HTTP Request!"); - } -#endif - goto wrong_proxy; - } else { -#ifndef GST_DISABLE_GST_DEBUG - if (src->neon_http_msgs_dbg) { - GST_ERROR_OBJECT (src, "HTTP Request failed, error unrecognized!"); - } -#endif - goto begin_req_failed; - } - } - - content_length = ne_get_response_header (src->request, "Content-Length"); - - if (content_length) - src->content_size = g_ascii_strtoull (content_length, NULL, 10); - else - src->content_size = -1; - - if (src->iradio_mode) { - /* Icecast stuff */ - const char *str_value; - gint gint_value; + if (src->iradio_mode) { + /* Icecast stuff */ + const gchar *str_value; + gint gint_value; str_value = ne_get_response_header (src->request, "icy-metaint"); if (str_value) { @@ -605,21 +584,6 @@ begin_req_failed: } } -static gboolean -gst_neonhttp_src_get_size (GstBaseSrc * bsrc, guint64 * size) -{ - GstNeonhttpSrc *src; - - src = GST_NEONHTTP_SRC (bsrc); - - if (src->content_size != -1) - return FALSE; - - *size = src->content_size; - - return TRUE; -} - /* close the socket and associated resources * used both to recover from errors and go to NULL state */ static gboolean @@ -649,76 +613,78 @@ gst_neonhttp_src_stop (GstBaseSrc * bsrc) src->icy_caps = NULL; } - if (src->request) { - ne_request_destroy (src->request); - src->request = NULL; - } + src->eos = FALSE; + src->content_size = -1; + src->read_position = 0; + src->seekable = TRUE; - if (src->session) { - ne_close_connection (src->session); - ne_session_destroy (src->session); - src->session = NULL; - } + gst_neonhttp_src_close_session (src); - src->eos = FALSE; +#ifndef GST_DISABLE_GST_DEBUG + ne_debug_init (NULL, 0); +#endif + ne_oom_callback (NULL); + ne_sock_exit (); return TRUE; } static gboolean -set_proxy (GstNeonhttpSrc * src, const char *uri, ne_uri * parsed, - gboolean set_default) +gst_neonhttp_src_get_size (GstBaseSrc * bsrc, guint64 * size) { - ne_uri_free (parsed); - - if (set_default) { - const char *str = g_getenv ("http_proxy"); + GstNeonhttpSrc *src; - if (str) { - if (ne_uri_parse (str, parsed) != 0) - goto cannot_parse; - } - return TRUE; - } + src = GST_NEONHTTP_SRC (bsrc); - if (ne_uri_parse (uri, parsed) != 0) - goto error; + if (src->content_size == -1) + return FALSE; - if (parsed->scheme) - GST_WARNING ("The proxy schema shouldn't be defined"); + *size = src->content_size; - if (parsed->host && !parsed->port) - goto error; + return TRUE; +} -#ifdef NEON_026_OR_LATER - if (!parsed->path || parsed->userinfo) - goto error; -#else - if (!parsed->path || parsed->authinfo) - goto error; -#endif +static gboolean +gst_neonhttp_src_is_seekable (GstBaseSrc * bsrc) +{ return TRUE; +} - /* ERRORS */ -error: - { - ne_uri_free (parsed); +static gboolean +gst_neonhttp_src_do_seek (GstBaseSrc * bsrc, GstSegment * segment) +{ + GstNeonhttpSrc *src; + gint res; + ne_session *session = NULL; + ne_request *request = NULL; + + src = GST_NEONHTTP_SRC (bsrc); + + if (!src->seekable) return FALSE; - } -cannot_parse: - { - GST_WARNING_OBJECT (src, - "The proxy set on http_proxy env var isn't well formated"); - ne_uri_free (parsed); + + if (src->read_position == segment->start) + return TRUE; + + res = gst_neonhttp_src_send_request_and_redirect (src, + &session, &request, segment->start, src->neon_http_redirect); + + /* if we are able to seek, replace the session */ + if (res == NE_OK && session) { + gst_neonhttp_src_close_session (src); + src->session = session; + src->request = request; + src->read_position = segment->start; return TRUE; } + + return FALSE; } static gboolean -set_uri (GstNeonhttpSrc * src, const char *uri, ne_uri * parsed, - gboolean * ishttps, gchar ** uristr, gboolean set_default) +gst_neonhttp_src_set_uri (GstNeonhttpSrc * src, const gchar * uri, + ne_uri * parsed, gboolean * ishttps, gchar ** uristr, gboolean set_default) { - ne_uri_free (parsed); if (uristr && *uristr) { ne_free (*uristr); @@ -778,175 +744,271 @@ parse_error: } } -static void -gst_neonhttp_src_set_property (GObject * object, guint prop_id, - const GValue * value, GParamSpec * pspec) +static gboolean +gst_neonhttp_src_set_proxy (GstNeonhttpSrc * src, const gchar * uri, + ne_uri * parsed, gboolean set_default) { - GstNeonhttpSrc *this = GST_NEONHTTP_SRC (object); + ne_uri_free (parsed); - switch (prop_id) { - case PROP_PROXY: - { - if (!g_value_get_string (value)) { - GST_WARNING ("proxy property cannot be NULL"); - goto done; - } - if (!set_proxy (this, g_value_get_string (value), &this->proxy, FALSE)) { - GST_WARNING ("badly formated proxy"); - goto done; - } - break; + if (set_default) { + const gchar *str = g_getenv ("http_proxy"); + + if (str) { + if (ne_uri_parse (str, parsed) != 0) + goto cannot_parse; } - case PROP_URI: - case PROP_LOCATION: - { - if (!g_value_get_string (value)) { - GST_WARNING ("location property cannot be NULL"); - goto done; - } - if (!set_uri (this, g_value_get_string (value), &this->uri, - &this->ishttps, &this->uristr, FALSE)) { - GST_WARNING ("badly formated location"); - goto done; - } - break; + return TRUE; + } + + if (ne_uri_parse (uri, parsed) != 0) + goto error; + + if (parsed->scheme) + GST_WARNING ("The proxy schema shouldn't be defined"); + + if (parsed->host && !parsed->port) + goto error; + +#ifdef NEON_026_OR_LATER + if (!parsed->path || parsed->userinfo) + goto error; +#else + if (!parsed->path || parsed->authinfo) + goto error; +#endif + return TRUE; + + /* ERRORS */ +error: + { + ne_uri_free (parsed); + return FALSE; + } +cannot_parse: + { + GST_WARNING_OBJECT (src, + "The proxy set on http_proxy env var isn't well formated"); + ne_uri_free (parsed); + return TRUE; + } +} + +/** + * Try to send the HTTP request to the Icecast server, and if possible deals with + * all the probable redirections (HTTP status code == 302) + */ +static gint +gst_neonhttp_src_send_request_and_redirect (GstNeonhttpSrc * src, + ne_session ** ses, ne_request ** req, gint64 offset, gboolean do_redir) +{ + ne_session *session = NULL; + ne_request *request = NULL; + gint res; + gint http_status = 0; + guint request_count = 0; + + do { + if (src->proxy.host && src->proxy.port) { + session = + ne_session_create (src->uri.scheme, src->uri.host, src->uri.port); + ne_session_proxy (session, src->proxy.host, src->proxy.port); + } else if (src->proxy.host || src->proxy.port) { + /* both proxy host and port must be specified or none */ + return HTTP_REQUEST_WRONG_PROXY; + } else { + session = + ne_session_create (src->uri.scheme, src->uri.host, src->uri.port); } - case PROP_USER_AGENT: - { - if (this->user_agent) { - g_free (this->user_agent); - this->user_agent = NULL; - } - if (g_value_get_string (value)) { - this->user_agent = g_strdup (g_value_get_string (value)); - } - break; + + request = ne_request_create (session, "GET", src->uri.path); + + if (src->user_agent) { + ne_add_request_header (request, "User-Agent", src->user_agent); } - case PROP_IRADIO_MODE: - { - this->iradio_mode = g_value_get_boolean (value); - break; + + if (src->iradio_mode) { + ne_add_request_header (request, "icy-metadata", "1"); } - case PROP_NEON_HTTP_REDIRECT: - { - this->neon_http_redirect = g_value_get_boolean (value); - break; + + if (offset > 0) { + ne_print_request_header (request, "Range", + "bytes=%" G_GINT64_FORMAT "-", offset); } + + res = ne_begin_request (request); + + if (res == NE_OK) { + /* When the HTTP status code is 302, it is not the SHOUTcast streaming content yet; + * Reload the HTTP request with a new URI value */ + http_status = ne_get_status (request)->code; + if (http_status == 302 && do_redir) { + const gchar *redir; + + /* the new URI value to go when redirecting can be found on the 'Location' HTTP header */ + redir = ne_get_response_header (request, "Location"); + if (redir != NULL) { + ne_uri_free (&src->uri); + gst_neonhttp_src_set_uri (src, redir, &src->uri, &src->ishttps, + &src->uristr, FALSE); #ifndef GST_DISABLE_GST_DEBUG - case PROP_NEON_HTTP_DBG: - { - this->neon_http_msgs_dbg = g_value_get_boolean (value); - break; + if (src->neon_http_msgs_dbg) + GST_LOG_OBJECT (src, + "--> Got HTTP Status Code %d; Using 'Location' header [%s]", + http_status, src->uri.host); +#endif + } + } } + + if ((res != NE_OK) || + (offset == 0 && http_status != 200) || + (offset > 0 && http_status != 206 && http_status != 302)) { + ne_request_destroy (request); + request = NULL; + ne_close_connection (session); + ne_session_destroy (session); + session = NULL; + if (offset > 0 && http_status != 206 && http_status != 302) { + src->seekable = FALSE; + } + } + + /* if - NE_OK */ + if (http_status == 302 && do_redir) { + ++request_count; + GST_WARNING_OBJECT (src, "%s %s.", + (request_count < MAX_HTTP_REDIRECTS_NUMBER) + && do_redir ? "Redirecting to" : + "WILL NOT redirect, try it again with a different URI; an alternative is", + src->uri.host); + /* FIXME: when not redirecting automatically, shouldn't we post a + * redirect element message on the bus? */ +#ifndef GST_DISABLE_GST_DEBUG + if (src->neon_http_msgs_dbg) + GST_LOG_OBJECT (src, "--> request_count = %d", request_count); #endif - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; + } + /* do the redirect, go back to send another HTTP request now using the 'Location' */ + } while (do_redir && (request_count < MAX_HTTP_REDIRECTS_NUMBER) + && http_status == 302); + + if (session) { + *ses = session; + *req = request; } -done: - return; + + return res; } -static void -gst_neonhttp_src_get_property (GObject * object, guint prop_id, - GValue * value, GParamSpec * pspec) +static gint +gst_neonhttp_src_request_dispatch (GstNeonhttpSrc * src, GstBuffer * outbuf) { - GstNeonhttpSrc *neonhttpsrc = GST_NEONHTTP_SRC (object); + gint ret; + gint read = 0; + gint sizetoread = GST_BUFFER_SIZE (outbuf); - switch (prop_id) { - case PROP_PROXY: - { - char *str; + /* Loop sending the request: + * Retry whilst authentication fails and we supply it. */ - if (neonhttpsrc->proxy.host) { - str = ne_uri_unparse (&neonhttpsrc->proxy); - if (!str) - break; - g_value_set_string (value, str); - ne_free (str); - } else { - g_value_set_string (value, ""); - } + ssize_t len = 0; + + while (sizetoread > 0) { + len = ne_read_response_block (src->request, + (gchar *) GST_BUFFER_DATA (outbuf) + read, sizetoread); + if (len > 0) { + read += len; + sizetoread -= len; + } else { break; } - case PROP_URI: - case PROP_LOCATION: - { - char *str; - if (neonhttpsrc->uri.host) { - str = ne_uri_unparse (&neonhttpsrc->uri); - if (!str) - break; - g_value_set_string (value, str); - ne_free (str); + } + + GST_BUFFER_SIZE (outbuf) = read; + + if (len < 0) { + read = -2; + goto done; + } else if (len == 0) { + ret = ne_end_request (src->request); + if (ret != NE_RETRY) { + if (ret == NE_OK) { + src->eos = TRUE; } else { - g_value_set_string (value, ""); + read = -3; } - break; } - case PROP_USER_AGENT: - { - g_value_set_string (value, neonhttpsrc->user_agent); - break; - } - case PROP_IRADIO_MODE: - g_value_set_boolean (value, neonhttpsrc->iradio_mode); - break; - case PROP_IRADIO_NAME: - g_value_set_string (value, neonhttpsrc->iradio_name); - break; - case PROP_IRADIO_GENRE: - g_value_set_string (value, neonhttpsrc->iradio_genre); - break; - case PROP_IRADIO_URL: - g_value_set_string (value, neonhttpsrc->iradio_url); - break; - case PROP_NEON_HTTP_REDIRECT: - g_value_set_boolean (value, neonhttpsrc->neon_http_redirect); - break; -#ifndef GST_DISABLE_GST_DEBUG - case PROP_NEON_HTTP_DBG: - g_value_set_boolean (value, neonhttpsrc->neon_http_msgs_dbg); - break; -#endif - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; + goto done; } + + if (read > 0) + src->read_position += read; + +done: + return read; } -/* entry point to initialize the plug-in - * initialize the plug-in itself - * register the element factories and pad templates - * register the features - */ -static gboolean -plugin_init (GstPlugin * plugin) +static void +gst_neonhttp_src_close_session (GstNeonhttpSrc * src) { - return gst_element_register (plugin, "neonhttpsrc", GST_RANK_NONE, - GST_TYPE_NEONHTTP_SRC); + if (src->request) { + ne_request_destroy (src->request); + src->request = NULL; + } + + if (src->session) { + ne_close_connection (src->session); + ne_session_destroy (src->session); + src->session = NULL; + } } -/* this is the structure that gst-register looks for - * so keep the name plugin_desc, or you cannot get your plug-in registered */ -GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, - GST_VERSION_MINOR, - "neon", - "lib neon http client src", - plugin_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/") +/* The following two charset mangling functions were copied from gnomevfssrc. + * Preserve them under the unverified assumption that they do something vaguely + * worthwhile. + */ +static gchar * +unicodify (const gchar * str, gint len, ...) +{ + gchar *ret = NULL, *cset; + va_list args; + gsize bytes_read, bytes_written; + if (g_utf8_validate (str, len, NULL)) + return g_strndup (str, len >= 0 ? len : strlen (str)); + + va_start (args, len); + while ((cset = va_arg (args, gchar *)) != NULL) { + if (!strcmp (cset, "locale")) + ret = g_locale_to_utf8 (str, len, &bytes_read, &bytes_written, NULL); + else + ret = g_convert (str, len, "UTF-8", cset, + &bytes_read, &bytes_written, NULL); + if (ret) + break; + } + va_end (args); -/*** GSTURIHANDLER INTERFACE *************************************************/ - static guint gst_neonhttp_src_uri_get_type (void) + return ret; +} + +static gchar * +gst_neonhttp_src_unicodify (const gchar * str) +{ + return unicodify (str, -1, "locale", "ISO-8859-1", NULL); +} + +/* GstURIHandler Interface */ +static guint +gst_neonhttp_src_uri_get_type (void) { return GST_URI_SRC; } + static gchar ** gst_neonhttp_src_uri_get_protocols (void) { static gchar *protocols[] = { "http", "https", NULL }; - return protocols; } @@ -963,8 +1025,8 @@ gst_neonhttp_src_uri_set_uri (GstURIHandler * handler, const gchar * uri) { GstNeonhttpSrc *src = GST_NEONHTTP_SRC (handler); - return set_uri (src, uri, &src->uri, &src->ishttps, &src->uristr, FALSE); - + return gst_neonhttp_src_set_uri (src, uri, &src->uri, &src->ishttps, + &src->uristr, FALSE); } static void @@ -978,7 +1040,6 @@ gst_neonhttp_src_uri_handler_init (gpointer g_iface, gpointer iface_data) iface->set_uri = gst_neonhttp_src_uri_set_uri; } - /* NEON CALLBACK */ static void oom_callback () @@ -986,12 +1047,22 @@ oom_callback () GST_ERROR ("memory exeception in neon"); } -void -size_header_handler (void *userdata, const char *value) +/* entry point to initialize the plug-in + * initialize the plug-in itself + * register the element factories and pad templates + * register the features + */ +static gboolean +plugin_init (GstPlugin * plugin) { - GstNeonhttpSrc *src = GST_NEONHTTP_SRC (userdata); - - src->content_size = g_ascii_strtoull (value, NULL, 10); - - GST_DEBUG_OBJECT (src, "content size = %lld bytes", src->content_size); + return gst_element_register (plugin, "neonhttpsrc", GST_RANK_NONE, + GST_TYPE_NEONHTTP_SRC); } + +/* this is the structure that gst-register looks for + * so keep the name plugin_desc, or you cannot get your plug-in registered */ +GST_PLUGIN_DEFINE (GST_VERSION_MAJOR, + GST_VERSION_MINOR, + "neon", + "lib neon http client src", + plugin_init, VERSION, "LGPL", "GStreamer", "http://gstreamer.net/") diff --git a/ext/neon/gstneonhttpsrc.h b/ext/neon/gstneonhttpsrc.h index 486b76c3..df52fc57 100644 --- a/ext/neon/gstneonhttpsrc.h +++ b/ext/neon/gstneonhttpsrc.h @@ -1,5 +1,7 @@ /* GStreamer * Copyright (C) <2005> Edgard Lima + * Copyright (C) <2006> Rosfran Borges + * Copyright (C) <2006> Andre Moreira Magalhaes * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public @@ -69,6 +71,9 @@ struct _GstNeonhttpSrc { /* enable Neon HTTP debug messages */ gboolean neon_http_msgs_dbg; + + gint64 read_position; + gboolean seekable; }; struct _GstNeonhttpSrcClass { -- cgit v1.2.1