handle .xspf requests. Like m3u, send a webroot file if it exists else generate

one. The generated one comes from an xslt in adminroot. Just need some icons

svn path=/icecast/trunk/icecast/; revision=13539

admin/xspf.xsl

+<!--
+    XSPF xslt stylesheet for Icecast 2.3.1 and above
+    Copyright (C) 2007 Thomas B. Ruecker, tbr@ruecker-itk.de
+
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License
+    as published by the Free Software Foundation; either version 2
+
+    This program 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
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the
+    Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+-->
+
+<xsl:stylesheet xmlns:xsl = "http://www.w3.org/1999/XSL/Transform" version = "1.0" >
+<xsl:output omit-xml-declaration="no" media-type="application/xspf+xml"
+        method="xml" indent="yes" encoding="UTF-8" />
+<xsl:template match = "/icestats" >
+<playlist version="1" xmlns="http://xspf.org/ns/0/">
+	<title><xsl:value-of select="server" /></title>
+	<creator><xsl:value-of select="server" /></creator>
+	<trackList >
+<!-- end of "header" -->
+
+<xsl:for-each select="source">
+
+<!-- do we need to do something about streams that need auth?-->
+
+<track>
+    <location><xsl:value-of select="listenurl" /></location>
+
+
+<xsl:if test="artist"><creator><xsl:value-of select="artist" /></creator></xsl:if>
+<title><xsl:value-of select="title" /></title>
+<!-- The <xsl:text>\n</xsl:text> elements in the following part are used 
+to enforce linebreaks this format seems to be expected by clients -->
+<annotation>
+<xsl:if test="server_name">Stream Title: <xsl:value-of select="server_name" /><xsl:text>
+</xsl:text></xsl:if>
+<xsl:if test="server_description">Stream Description: <xsl:value-of select="server_description" /></xsl:if>
+Content Type:<xsl:value-of select="server_type" /><xsl:text>
+</xsl:text>
+<xsl:if test="bitrate">Bitrate: <xsl:value-of select="bitrate" /><xsl:text>
+</xsl:text></xsl:if>
+<xsl:if test="quality">Quality: <xsl:value-of select="quality" /><xsl:text>
+</xsl:text></xsl:if>
+<xsl:if test="video_quality">Video Quality: <xsl:value-of select="video_quality" /><xsl:text>
+</xsl:text></xsl:if>
+<xsl:if test="frame_size">Framesize: <xsl:value-of select="frame_size" /><xsl:text>
+</xsl:text></xsl:if>
+<xsl:if test="frame_rate">Framerate: <xsl:value-of select="frame_rate" /><xsl:text>
+</xsl:text></xsl:if>
+<xsl:if test="listeners">Current Listeners: <xsl:value-of select="listeners" /><xsl:text>
+</xsl:text></xsl:if>
+<xsl:if test="listener_peak">Peak Listeners: <xsl:value-of select="listener_peak" /><xsl:text>
+</xsl:text></xsl:if>
+<xsl:if test="genre">Stream Genre: <xsl:value-of select="genre" /></xsl:if>
+</annotation>
+
+<xsl:if test="server_url"><info><xsl:value-of select="server_url" /></info></xsl:if>
+
+</track>
+
+</xsl:for-each>
+</trackList>
+</playlist>
+
+</xsl:template>
+</xsl:stylesheet>

src/admin.c

@@ -33,6 +33,7 @@
 #include "compat.h"
 #include "xslt.h"
 #include "fserve.h"
+#include "admin.h"
 
 #include "format.h"
 
@@ -109,10 +110,6 @@
 #define DEFAULT_TRANSFORMED_REQUEST ""
 #define BUILDM3U_RAW_REQUEST "buildm3u"
 
-#define RAW         1
-#define TRANSFORMED 2
-#define PLAINTEXT   3
-
 int admin_get_command(char *command)
 {
     if(!strcmp(command, FALLBACK_RAW_REQUEST))
@@ -195,8 +192,6 @@ static void command_updatemetadata(client_t *client, source_t *source,
 static void admin_handle_mount_request(client_t *client, source_t *source,
         int command);
 static void admin_handle_general_request(client_t *client, int command);
-static void admin_send_response(xmlDocPtr doc, client_t *client, 
-        int response, char *xslt_template);
 
 /* build an XML doc containing information about currently running sources.
  * If a mountpoint is passed then that source will not be added to the XML
@@ -267,8 +262,8 @@ xmlDocPtr admin_build_sourcelist (const char *mount)
     return(doc);
 }
 
-static void admin_send_response(xmlDocPtr doc, client_t *client, 
-        int response, char *xslt_template)
+void admin_send_response (xmlDocPtr doc, client_t *client,
+        int response, const char *xslt_template)
 {
     if (response == RAW)
     {
@@ -958,7 +953,7 @@ static void command_stats(client_t *client, int response) {
 
     DEBUG0("Stats request, sending xml stats");
 
-    stats_get_xml(&doc, 1);
+    stats_get_xml(&doc, 1, NULL);
     admin_send_response(doc, client, response, STATS_TRANSFORMED_REQUEST);
     xmlFreeDoc(doc);
     return;

src/admin.h

@@ -13,9 +13,18 @@
 #ifndef __ADMIN_H__
 #define __ADMIN_H__
 
+#include <libxml/parser.h>
+#include <libxml/tree.h>
+
 #include "refbuf.h"
 #include "client.h"
 
+#define RAW         1
+#define TRANSFORMED 2
+#define PLAINTEXT   3
+
 void admin_handle_request(client_t *client, char *uri);
+void admin_send_response(xmlDocPtr doc, client_t *client, 
+        int response, const char *xslt_template);
 
 #endif  /* __ADMIN_H__ */

src/fserve.c

@@ -50,6 +50,7 @@
 #include "logging.h"
 #include "cfgfile.h"
 #include "util.h"
+#include "admin.h"
 #include "compat.h"
 
 #include "fserve.h"
@@ -376,6 +377,7 @@ int fserve_client_create (client_t *httpclient, const char *path)
     int ret = 0;
     char *fullpath;
     int m3u_requested = 0, m3u_file_available = 1;
+    int xspf_requested = 0, xspf_file_available = 1;
     ice_config_t *config;
     FILE *file;
 
@@ -385,11 +387,14 @@ int fserve_client_create (client_t *httpclient, const char *path)
     if (strcmp (util_get_extension (fullpath), "m3u") == 0)
         m3u_requested = 1;
 
+    if (strcmp (util_get_extension (fullpath), "xspf") == 0)
+        xspf_requested = 1;
+
     /* check for the actual file */
     if (stat (fullpath, &file_buf) != 0)
     {
         /* the m3u can be generated, but send an m3u file if available */
-        if (m3u_requested == 0)
+        if (m3u_requested == 0 && xspf_requested == 0)
         {
             WARN2 ("req for file \"%s\" %s", fullpath, strerror (errno));
             client_send_404 (httpclient, "The file you requested could not be found");
@@ -397,6 +402,7 @@ int fserve_client_create (client_t *httpclient, const char *path)
             return -1;
         }
         m3u_file_available = 0;
+        xspf_file_available = 0;
     }
 
     httpclient->refbuf->len = PER_CLIENT_REFBUF_SIZE;
@@ -443,6 +449,19 @@ int fserve_client_create (client_t *httpclient, const char *path)
         free (fullpath);
         return 0;
     }
+    if (xspf_requested && xspf_file_available == 0)
+    {
+        xmlDocPtr doc;
+        char *reference = strdup (path);
+        char *eol = strrchr (reference, '.');
+        if (eol)
+            *eol = '\0';
+        stats_get_xml (&doc, 0, reference);
+        free (reference);
+        admin_send_response (doc, httpclient, TRANSFORMED, "xspf.xsl");
+        xmlFreeDoc(doc);
+        return 0;
+    }
 
     /* on demand file serving check */
     config = config_get_config();

src/stats.c

@@ -878,7 +878,7 @@ void stats_transform_xslt(client_t *client, const char *uri)
     xmlDocPtr doc;
     char *xslpath = util_get_path_from_normalised_uri (uri);
 
-    stats_get_xml(&doc, 0);
+    stats_get_xml(&doc, 0, NULL);
 
     xslt_transform(doc, xslpath, client);
 
@@ -886,7 +886,7 @@ void stats_transform_xslt(client_t *client, const char *uri)
     free (xslpath);
 }
 
-void stats_get_xml(xmlDocPtr *doc, int show_hidden)
+void stats_get_xml(xmlDocPtr *doc, int show_hidden, const char *show_mount)
 {
     stats_event_t *event;
     event_queue_t queue;
@@ -906,16 +906,24 @@ void stats_get_xml(xmlDocPtr *doc, int show_hidden)
     {
         if (event->hidden <= show_hidden)
         {
-            xmlChar *name, *value;
-            name = xmlEncodeEntitiesReentrant (*doc, event->name);
-            value = xmlEncodeEntitiesReentrant (*doc, event->value);
-            srcnode = node;
-            if (event->source) {
-                srcnode = _find_xml_node(event->source, &src_nodes, node);
-            }
-            xmlNewChild(srcnode, NULL, name, value);
-            xmlFree (value);
-            xmlFree (name);
+            do
+            {
+                xmlChar *name, *value;
+                name = xmlEncodeEntitiesReentrant (*doc, event->name);
+                value = xmlEncodeEntitiesReentrant (*doc, event->value);
+                srcnode = node;
+                if (event->source)
+                {
+                    if (show_mount && strcmp (event->source, show_mount) != 0)
+                        break;
+                    srcnode = _find_xml_node(event->source, &src_nodes, node);
+                }
+                else
+                    srcnode = node;
+                xmlNewChild(srcnode, NULL, name, value);
+                xmlFree (value);
+                xmlFree (name);
+            } while (0);
         }
 
         _free_event(event);

src/stats.h

@@ -90,7 +90,7 @@ void stats_callback (client_t *client, void *notused);
 
 void stats_transform_xslt(client_t *client, const char *uri);
 void stats_sendxml(client_t *client);
-void stats_get_xml(xmlDocPtr *doc, int show_hidden);
+void stats_get_xml(xmlDocPtr *doc, int show_hidden, const char *show_mount);
 char *stats_get_value(char *source, char *name);
 
 #endif  /* __STATS_H__ */