Rivendellaudio/rlm/rlm_live365.c
Fred Gleason 4c3c9bf9c4 2014-12-08 Fred Gleason <fredg@paravelsystems.com>
* Fixed a bug in 'rlm/rlm_live365.c' where the 'album' field was
	not escaped correctly.
2014-12-08 19:04:15 -05:00

304 lines
8.1 KiB
C

/* rlm_live365.c
*
* (C) Copyright 2014 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 update the metadata on an Icecast2 mountpoint specified in the
* configuration file pointed to by the plugin argument.
*
* This module requires the curl(1) network transfer tool, included with
* most Linux distros. It is also available at http://curl.haxx.se/.
*
* To compile this module, just do:
*
* gcc -shared -o rlm_live365.rlm rlm_live365.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_live365_devs;
char *rlm_live365_stations;
char *rlm_live365_passwords;
char *rlm_live365_titles;
char *rlm_live365_artists;
char *rlm_live365_albums;
int *rlm_live365_masters;
int *rlm_live365_aux1s;
int *rlm_live365_aux2s;
int rlm_live365_BufferDiff(char *sString,int dOrigin,int dDiff,int dMaxSize)
{
int dOldSize,dNewSize;
int i;
/*
* Will it fit?
*/
dOldSize=strlen(sString);
if((dOldSize+dDiff)>=dMaxSize) {
return -1;
}
dNewSize=dOldSize+dDiff;
/*
* Adding characters
*/
if(dDiff>0) {
for(i=dOldSize;i>dOrigin;i--) {
sString[i+dDiff]=sString[i];
}
return dNewSize;
}
/*
* No Change
*/
if(dDiff==0) {
return dNewSize;
}
/*
* Deleting Characters
*/
if(dDiff<0) {
for(i=dOrigin;i<dOldSize;i++) {
sString[i]=sString[i-dDiff];
}
return dNewSize;
}
return -1;
}
int rlm_live365_EncodeString(char *sString,int dMaxSize)
{
int i; /* General Purpose Counter */
char sAccum[4]; /* General String Buffer */
i=0;
while(sString[i]!=0) {
if(((sString[i]!='*') && (sString[i]!='-') &&
(sString[i]!='_') && (sString[i]!='.')) &&
((sString[i]<'0') ||
((sString[i]>'9') && (sString[i]<'A')) ||
((sString[i]>'Z') && (sString[i]<'a')) ||
(sString[i]>'z'))) {
if(rlm_live365_BufferDiff(sString,i,2,dMaxSize)<0) {
return -1;
}
sprintf(sAccum,"%%%2x",sString[i]);
sString[i++]=sAccum[0];
sString[i++]=sAccum[1];
sString[i]=sAccum[2];
}
if(sString[i]==' ') {
sString[i]='+';
}
i++;
if(i>=dMaxSize) {
return -1;
}
}
return strlen(sString);
}
int rlm_live365_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_live365_RLMStart(void *ptr,const char *arg)
{
char password[256];
char section[256];
char errtext[256];
int i=1;
rlm_live365_devs=0;
rlm_live365_stations=NULL;
rlm_live365_passwords=NULL;
rlm_live365_titles=NULL;
rlm_live365_artists=NULL;
rlm_live365_albums=NULL;
rlm_live365_masters=NULL;
rlm_live365_aux1s=NULL;
rlm_live365_aux2s=NULL;
sprintf(section,"Station%d",i++);
strncpy(password,RLMGetStringValue(ptr,arg,section,"Password",""),255);
password[255]=0;
if(strlen(password)==0) {
RLMLog(ptr,LOG_WARNING,"rlm_live365: no Live365 stations specified");
return;
}
while(strlen(password)>0) {
rlm_live365_passwords=realloc(rlm_live365_passwords,
(rlm_live365_devs+1)*(rlm_live365_devs+1)*256);
strcpy(rlm_live365_passwords+256*rlm_live365_devs,password);
rlm_live365_stations=realloc(rlm_live365_stations,(rlm_live365_devs+1)*256);
strncpy(rlm_live365_stations+256*rlm_live365_devs,
RLMGetStringValue(ptr,arg,section,"MemberName",""),256);
rlm_live365_titles=realloc(rlm_live365_titles,(rlm_live365_devs+1)*256);
strncpy(rlm_live365_titles+256*rlm_live365_devs,
RLMGetStringValue(ptr,arg,section,"TitleString",""),256);
rlm_live365_artists=realloc(rlm_live365_artists,(rlm_live365_devs+1)*256);
strncpy(rlm_live365_artists+256*rlm_live365_devs,
RLMGetStringValue(ptr,arg,section,"ArtistString",""),256);
rlm_live365_albums=realloc(rlm_live365_albums,(rlm_live365_devs+1)*256);
strncpy(rlm_live365_albums+256*rlm_live365_devs,
RLMGetStringValue(ptr,arg,section,"AlbumString",""),256);
rlm_live365_masters=realloc(rlm_live365_masters,
(rlm_live365_devs+1)*sizeof(int));
rlm_live365_masters[rlm_live365_devs]=
rlm_live365_GetLogStatus(ptr,arg,section,"MasterLog");
rlm_live365_aux1s=realloc(rlm_live365_aux1s,
(rlm_live365_devs+1)*sizeof(int));
rlm_live365_aux1s[rlm_live365_devs]=
rlm_live365_GetLogStatus(ptr,arg,section,"Aux1Log");
rlm_live365_aux2s=realloc(rlm_live365_aux2s,
(rlm_live365_devs+1)*sizeof(int));
rlm_live365_aux2s[rlm_live365_devs]=
rlm_live365_GetLogStatus(ptr,arg,section,"Aux2Log");
sprintf(errtext,"rlm_live365: configured station \"%s\"",
rlm_live365_stations+256*rlm_live365_devs);
rlm_live365_devs++;
RLMLog(ptr,LOG_INFO,errtext);
sprintf(section,"Station%d",i++);
strncpy(password,RLMGetStringValue(ptr,arg,section,"Password",""),255);
password[255]=0;
}
}
void rlm_live365_RLMFree(void *ptr)
{
free(rlm_live365_stations);
free(rlm_live365_passwords);
free(rlm_live365_titles);
free(rlm_live365_artists);
free(rlm_live365_albums);
free(rlm_live365_masters);
free(rlm_live365_aux1s);
free(rlm_live365_aux2s);
}
void rlm_live365_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 station[1024];
char password[1024];
char title[1024];
char artist[1024];
char album[1024];
char url[8192];
char msg[1500];
for(i=0;i<rlm_live365_devs;i++) {
switch(log->log_mach) {
case 0:
flag=rlm_live365_masters[i];
break;
case 1:
flag=rlm_live365_aux1s[i];
break;
case 2:
flag=rlm_live365_aux2s[i];
break;
}
if((flag==1)||((flag==2)&&(log->log_onair!=0))) {
strncpy(station,RLMResolveNowNext(ptr,now,next,
rlm_live365_stations+256*i),256);
rlm_live365_EncodeString(station,1023);
strncpy(password,RLMResolveNowNext(ptr,now,next,
rlm_live365_passwords+256*i),256);
rlm_live365_EncodeString(title,1023);
strncpy(title,RLMResolveNowNext(ptr,now,next,
rlm_live365_titles+256*i),256);
rlm_live365_EncodeString(title,1023);
strncpy(artist,RLMResolveNowNext(ptr,now,next,
rlm_live365_artists+256*i),256);
rlm_live365_EncodeString(artist,1023);
strncpy(album,RLMResolveNowNext(ptr,now,next,
rlm_live365_albums+256*i),256);
rlm_live365_EncodeString(album,1023);
snprintf(url,8192,"http://www.live365.com/cgi-bin/add_song.cgi?member_name=%s&password=%s&version=2&filename=Rivendell&seconds=%u&title=%s&artist=%s&album=%s",
station,
password,
now->rlm_len/1000,
title,
artist,
album);
if(strlen(now->rlm_title)!=0) {
if(fork()==0) {
execlp("curl","curl","-o","/dev/null","-s",url,(char *)NULL);
RLMLog(ptr,LOG_WARNING,"rlm_live365: unable to execute curl(1)");
exit(0);
}
}
snprintf(msg,1500,"rlm_live365: sending pad update: \"%s\"",
(const char *)url);
RLMLog(ptr,LOG_INFO,msg);
}
}
}