====== Configurer mon airplay ======

On va devoir utiliser RDAdmin -> Manage Hosts -> ordinateur sur lequel tourne le programme -> RDAirplay
Là on clique sur Now and Next.
Ensuite on va charger un module.

Nous allons charger le module rlm_urlwrite.rlm

Si vous ne l'avez pas vous pouvez le compiler à partir de ce code https://github.com/ElvishArtisan/rivendell/blob/stable/rlm/rlm_urlwrite.c

<code>
* rlm_urlwrite.c
 *
 *   (C) Copyright 2012 Fred Gleason <fredg@paravelsystems.com>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2
 *   as published by the Free Software Foundation.
 *
 *   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
 *   GNU General Public License for more details.
 *
 *   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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * This is a Rivendell Loadable Module.  It uses Now&Next PAD data
 * to write to one or more file(s) on the local system specified in the
 * configuration file pointed to by the plugin argument.
 *
 * To compile this module, just do:
 * 
 *   gcc -shared -o rlm_urlwrite.rlm rlm_urlwrite.c
 */

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <sys/types.h>
#include <unistd.h>

#include <rlm/rlm.h>

int rlm_urlwrite_devs;
char *rlm_urlwrite_urls;
char *rlm_urlwrite_usernames;
char *rlm_urlwrite_passwords;
char *rlm_urlwrite_formats;
int *rlm_urlwrite_encodings;
int *rlm_urlwrite_masters;
int *rlm_urlwrite_aux1s;
int *rlm_urlwrite_aux2s;

void rlm_urlwrite_ReplaceChar(char c,char *str,int pos)
{
  int i;

  str[pos]=c;
  for(i=pos+1;i<strlen(str);i++) {
    str[i]=str[i+1];
  }
}


void rlm_urlwrite_ProcessString(char *str)
{
  int i;

  for(i=0;i<(strlen(str)-1);i++) {
    if(str[i]=='\\') {
      if(str[i+1]=='r') {
	rlm_urlwrite_ReplaceChar(13,str,i);
      }
      else {
	if(str[i+1]=='n') {
	  rlm_urlwrite_ReplaceChar(10,str,i);
	}
      }
    }
  }
}


int rlm_urlwrite_GetLogStatus(void *ptr,const char *arg,const char *section,
			    const char *logname)
{
  const char *tag=RLMGetStringValue(ptr,arg,section,logname,"");
  if(strcasecmp(tag,"yes")==0) {
    return 1;
  }
  if(strcasecmp(tag,"on")==0) {
    return 1;
  }
  if(strcasecmp(tag,"true")==0) {
    return 1;
  }
  if(strcasecmp(tag,"no")==0) {
    return 0;
  }
  if(strcasecmp(tag,"off")==0) {
    return 0;
  }
  if(strcasecmp(tag,"false")==0) {
    return 0;
  }
  if(strcasecmp(tag,"onair")==0) {
    return 2;
  }  
  return 0;
}


void rlm_urlwrite_RLMStart(void *ptr,const char *arg)
{
  char url[256];
  char section[256];
  char errtext[256];
  int i=1;

  rlm_urlwrite_devs=0;
  rlm_urlwrite_urls=NULL;
  rlm_urlwrite_usernames=NULL;
  rlm_urlwrite_passwords=NULL;
  rlm_urlwrite_formats=NULL;
  rlm_urlwrite_encodings=NULL;
  rlm_urlwrite_masters=NULL;
  rlm_urlwrite_aux1s=NULL;
  rlm_urlwrite_aux2s=NULL;

  sprintf(section,"Url%d",i++);
  strncpy(url,RLMGetStringValue(ptr,arg,section,"Url",""),255);
  url[255]=0;
  if(strlen(url)==0) {
    RLMLog(ptr,LOG_WARNING,"rlm_urlwrite: no URLs specified");
    return;
  }
  while(strlen(url)>0) {
    rlm_urlwrite_urls=realloc(rlm_urlwrite_urls,
		      (rlm_urlwrite_devs+1)*(rlm_urlwrite_devs+1)*256);
    strcpy(rlm_urlwrite_urls+256*rlm_urlwrite_devs,url);
    rlm_urlwrite_usernames=realloc(rlm_urlwrite_usernames,(rlm_urlwrite_devs+1)*256);
    strncpy(rlm_urlwrite_usernames+256*rlm_urlwrite_devs,
	    RLMGetStringValue(ptr,arg,section,"Username",""),256);
    rlm_urlwrite_passwords=realloc(rlm_urlwrite_passwords,(rlm_urlwrite_devs+1)*256);
    strncpy(rlm_urlwrite_passwords+256*rlm_urlwrite_devs,
	    RLMGetStringValue(ptr,arg,section,"Password",""),256);
    rlm_urlwrite_formats=realloc(rlm_urlwrite_formats,(rlm_urlwrite_devs+1)*8192);
    strncpy(rlm_urlwrite_formats+8192*rlm_urlwrite_devs,
	    RLMGetStringValue(ptr,arg,section,"FormatString",""),8192);
    rlm_urlwrite_masters=realloc(rlm_urlwrite_masters,
			    (rlm_urlwrite_devs+1)*sizeof(int));
    rlm_urlwrite_masters[rlm_urlwrite_devs]=
      rlm_urlwrite_GetLogStatus(ptr,arg,section,"MasterLog");

    rlm_urlwrite_encodings=realloc(rlm_urlwrite_encodings,
			    (rlm_urlwrite_devs+1)*sizeof(int));
    rlm_urlwrite_encodings[rlm_urlwrite_devs]=
      RLMGetIntegerValue(ptr,arg,section,"Encoding",RLM_ENCODE_NONE);
    rlm_urlwrite_aux1s=realloc(rlm_urlwrite_aux1s,
			  (rlm_urlwrite_devs+1)*sizeof(int));
    rlm_urlwrite_aux1s[rlm_urlwrite_devs]=
      rlm_urlwrite_GetLogStatus(ptr,arg,section,"Aux1Log");
    rlm_urlwrite_aux2s=realloc(rlm_urlwrite_aux2s,
			  (rlm_urlwrite_devs+1)*sizeof(int));
    rlm_urlwrite_aux2s[rlm_urlwrite_devs]=
      rlm_urlwrite_GetLogStatus(ptr,arg,section,"Aux2Log");
    sprintf(errtext,"rlm_urlwrite: configured URL \"%s\"",
	    rlm_urlwrite_urls+256*rlm_urlwrite_devs);
    rlm_urlwrite_devs++;
    RLMLog(ptr,LOG_INFO,errtext);
    sprintf(section,"Url%d",i++);
    strncpy(url,RLMGetStringValue(ptr,arg,section,"Url",""),255);
    url[255]=0;
  }
}


void rlm_urlwrite_RLMFree(void *ptr)
{
  free(rlm_urlwrite_urls);
  free(rlm_urlwrite_usernames);
  free(rlm_urlwrite_passwords);
  free(rlm_urlwrite_formats);
  free(rlm_urlwrite_encodings);
  free(rlm_urlwrite_masters);
  free(rlm_urlwrite_aux1s);
  free(rlm_urlwrite_aux2s);
}


void rlm_urlwrite_RLMPadDataSent(void *ptr,const struct rlm_svc *svc,
				const struct rlm_log *log,
				const struct rlm_pad *now,
				const struct rlm_pad *next)
{
  int i;
  int flag=0;
  char str[8192];
  char msg[1500];
  char account[1024];
  char tempfile[1024];
  FILE *f;

  for(i=0;i<rlm_urlwrite_devs;i++) {
    switch(log->log_mach) {
      case 0:
	flag=rlm_urlwrite_masters[i];
	break;

      case 1:
	flag=rlm_urlwrite_aux1s[i];
	break;

      case 2:
	flag=rlm_urlwrite_aux2s[i];
	break;
    }
    if((flag==1)||((flag==2)&&(log->log_onair!=0))) {
      strncpy(str,RLMResolveNowNextEncoded(ptr,now,next,
					   rlm_urlwrite_formats+8192*i,
					   rlm_urlwrite_encodings[i]),8192);
      rlm_urlwrite_ProcessString(str);
      snprintf(account,1024,"%s:%s",rlm_urlwrite_usernames+256*i,
	       rlm_urlwrite_passwords+256*i);
      snprintf(tempfile,1024,"/tmp/rlm_urlwrite_%d",i);
      f=fopen(tempfile,"w");
      if(f!=NULL) {
	snprintf(msg,1500,"rlm_urlwrite: sending pad update: \"%s\" to \"%s\"",
		 str,rlm_urlwrite_urls+256*i);
	fprintf(f,"%s",str);
	fclose(f);
	if(fork()==0) {
	  execlp("curl","curl","-s","-k","-u",account,"-T",tempfile,
		 rlm_urlwrite_urls+256*i,(char *)NULL);
	  RLMLog(ptr,LOG_WARNING,"rlm_urlwrite: unable to execute curl(1)");
	  exit(0);
	}
	RLMLog(ptr,LOG_INFO,msg);
      }
      else {
	snprintf(msg,1500,"rlm_urlwrite: unable to open file \"%s\"",
		 rlm_urlwrite_urls+256*i);
	RLMLog(ptr,LOG_WARNING,msg);
      }
    }
  }
}
</code>

Puis dans le champ argument nous allons faire pointer vers le fichier de configuration du rlm que l'on va nommer rlm-urlwrite.conf

===== structure du .conf =====

Pour plus de facilités on mettra le .conf dans le même dossier que les rlm (/usr/lib64/rivendell dans la version 2.19.3.1)

La structure du .conf se trouve aussi sur git hub https://github.com/ElvishArtisan/rivendell/blob/stable/conf/rlm_urlwrite.conf

Mais pour faire simple
<code>
; rlm_urlwrite.conf
;
;fichier exemple de configuration. Faire autant de section [url] que vous avez de fichier à envoyer
;enlever le point virgule devant une ligne pour l'activer
; Section Header
;

[Url1]

; Url
;
; L'url vers laquelle vous envoyez le fichier. Elle peut être de la forme suivante
;   file://
;   ftp://
;   http:// (uses the PUT method)
;   sftp://
;
Url=sftp://server.exemple.com:portdestination/titre_encours.txt

; Username
;
; Votre nom d'utilisateur
;
Username=votrenom

; Password
;
; le mot de passe que vous utilisez
Password=motdepasse

; Format String.  Le format avec lequel les informations sont écrite dans le fichier texte.
;
FormatString=NOW: %d(ddd MMM d hh:mm:ss yyyy): %t - %a\nNEXT: %D(ddd MMM d hh:mm:ss yyyy): %T - %A\n

; Encoding.  Definir si certains caractère doivent être ignorés.
; les options sont les suivantes
;
;  0 - tous les caractères sont pris en comptes.
;  1 - "XML" escaping: Escape reserved characters as per XML-v1.0
;  2 - "Web" escaping: Escape reserved characters as per RFC 2396 Section 2.4
Encoding=0

; Log Selection
;
;Détermine dans quel log les informations vont être lues 
; Yes', 'No' or 'Onair'. 
;Si sur 'Onair', le fichier ne prendra en compte que les morceaux passer avec le flag On Air
;si l'option est active dans RDAirPlay

MasterLog=Yes
;Aux1Log=Yes
;Aux2Log=Yes


; D'autres fichiers peuvent être envoyés il suffit de respecter cette syntaxe de fichier
;
;[Url2]
;Url=file:///home/rd/somefile.txt
;Username=janedoe
;Password=crackme
;FormatString=%t by %a\r\n
;Encoding=0
;MasterLog=Yes
;Aux1Log=No
;Aux2Log=Onair

</code>

===== Configurer la base de données =====

Faire un CRON sur votre serveur qui lancera le script de mise à jour de votre base de données toutes les minutes.

Ce script peut ressembler à ça 

<code>

<?php
    try {
        // On ouvre le fichier en lecture
        $fichier = fopen( '/chemin/sur/mon/serveur/titre_encours.txt', 'r' );
        // On récupère la première ligne
        $encours = fgets( $fichier );
        // On ferme le fichier
        fclose( $fichier );
         
        // Connexion MySQL
        $options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_EXCEPTION;
        $options[PDO::ATTR_DEFAULT_FETCH_MODE] = PDO::FETCH_OBJ;
        $bdd = new PDO( 'mysql:host=serveur ;dbname=base ;', 'identifiant', 'password', $options );
         
        // Vérifies si le titre existe depuis 120 minutes (au cas où)
        $requete = $bdd->prepare( '
            SELECT titre
            FROM wp_playlist
            WHERE
                titre = ?
                AND `date` > NOW()-INTERVAL 120 MINUTE;'
        );
        $requete->execute( array( $encours ) );
         
        // Si le titre n'existe pas on le crée
        if( !$requete->fetchColumn() ) {
            $requete = $bdd->prepare( '
                INSERT INTO wp_playlist ( titre, `date` )
                VALUES ( ?, NOW() );'
            );
            $requete->execute( array( $encours ) );
        }
    }
    catch(Exception $e) {
        // On crée ou on ouvre le fichier de log
        $fichier = fopen( 'log.txt', 'a+' );
        // On stocke l'erreur
        fputs( $fichier, date('Y-m-d H:i').' - '.$e->getMessage()."\n" );
        // On ferme le fichier
        fclose( $fichier );
    }
?>


</code>