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libmpdclient.c
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libmpdclient.c
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/* libmpdclient
(c)2003-2006 by Warren Dukes ([email protected])
This project's homepage is: http://www.musicpd.org
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
- Neither the name of the Music Player Daemon nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define _BSD_SOURCE
#define _SVID_SOURCE
#define _DEFAULT_SOURCE
#define _XOPEN_SOURCE 500
#include "libmpdclient.h"
#include <errno.h>
#include <ctype.h>
#include <sys/types.h>
#include <stdio.h>
#include <sys/param.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <limits.h>
#ifdef WIN32
# include <ws2tcpip.h>
# include <winsock.h>
#else
# include <netinet/in.h>
# include <arpa/inet.h>
# include <sys/socket.h>
# include <netdb.h>
#endif
/* (bits+1)/3 (plus the sign character) */
#define INTLEN ((sizeof(int) * CHAR_BIT + 1) / 3 + 1)
#define LONGLONGLEN ((sizeof(long long) * CHAR_BIT + 1) / 3 + 1)
#define COMMAND_LIST 1
#define COMMAND_LIST_OK 2
#ifndef MPD_NO_GAI
# ifdef AI_ADDRCONFIG
# define MPD_HAVE_GAI
# endif
#endif
#ifndef MSG_DONTWAIT
# define MSG_DONTWAIT 0
#endif
#ifdef WIN32
# define SELECT_ERRNO_IGNORE (errno == WSAEINTR || errno == WSAEINPROGRESS)
# define SENDRECV_ERRNO_IGNORE SELECT_ERRNO_IGNORE
#else
# define SELECT_ERRNO_IGNORE (errno == EINTR)
# define SENDRECV_ERRNO_IGNORE (errno == EINTR || errno == EAGAIN)
# define winsock_dll_error(c) 0
# define closesocket(s) close(s)
# define WSACleanup() do { /* nothing */ } while (0)
#endif
#ifdef WIN32
static int winsock_dll_error(mpd_Connection *connection)
{
WSADATA wsaData;
if ((WSAStartup(MAKEWORD(2, 2), &wsaData)) != 0 ||
LOBYTE(wsaData.wVersion) != 2 ||
HIBYTE(wsaData.wVersion) != 2 ) {
strcpy(connection->errorStr,
"Could not find usable WinSock DLL.");
connection->error = MPD_ERROR_SYSTEM;
return 1;
}
return 0;
}
static int do_connect_fail(mpd_Connection *connection,
const struct sockaddr *serv_addr, int addrlen)
{
int iMode = 1; /* 0 = blocking, else non-blocking */
ioctlsocket(connection->sock, FIONBIO, (u_long FAR*) &iMode);
return (connect(connection->sock,serv_addr,addrlen) == SOCKET_ERROR
&& WSAGetLastError() != WSAEWOULDBLOCK);
}
#else /* !WIN32 (sane operating systems) */
static int do_connect_fail(mpd_Connection *connection,
const struct sockaddr *serv_addr, int addrlen)
{
int flags = fcntl(connection->sock, F_GETFL, 0);
fcntl(connection->sock, F_SETFL, flags | O_NONBLOCK);
return (connect(connection->sock,serv_addr,addrlen)<0 &&
errno!=EINPROGRESS);
}
#endif /* !WIN32 */
#ifdef MPD_HAVE_GAI
static int mpd_connect(mpd_Connection * connection, const char * host, int port,
float timeout)
{
int error;
char service[INTLEN+1];
struct addrinfo hints;
struct addrinfo *res = NULL;
struct addrinfo *addrinfo = NULL;
/**
* Setup hints
*/
hints.ai_flags = AI_ADDRCONFIG;
hints.ai_family = PF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
hints.ai_addrlen = 0;
hints.ai_addr = NULL;
hints.ai_canonname = NULL;
hints.ai_next = NULL;
snprintf(service, sizeof(service), "%i", port);
error = getaddrinfo(host, service, &hints, &addrinfo);
if (error) {
snprintf(connection->errorStr, MPD_ERRORSTR_MAX_LENGTH,
"host \"%s\" not found: %s",
host, gai_strerror(error));
connection->error = MPD_ERROR_UNKHOST;
return -1;
}
for (res = addrinfo; res; res = res->ai_next) {
/* create socket */
connection->sock = socket(res->ai_family, SOCK_STREAM,
res->ai_protocol);
if (connection->sock < 0) {
snprintf(connection->errorStr, MPD_ERRORSTR_MAX_LENGTH,
"problems creating socket: %s",
strerror(errno));
connection->error = MPD_ERROR_SYSTEM;
freeaddrinfo(addrinfo);
return -1;
}
mpd_setConnectionTimeout(connection, timeout);
/* connect stuff */
if (do_connect_fail(connection,
res->ai_addr, res->ai_addrlen)) {
/* try the next address family */
closesocket(connection->sock);
connection->sock = -1;
continue;
}
}
freeaddrinfo(addrinfo);
if (connection->sock < 0) {
snprintf(connection->errorStr, MPD_ERRORSTR_MAX_LENGTH,
"problems connecting to \"%s\" on port %i: %s",
host, port, strerror(errno));
connection->error = MPD_ERROR_CONNPORT;
return -1;
}
return 0;
}
#else /* !MPD_HAVE_GAI */
static int mpd_connect(mpd_Connection * connection, const char * host, int port,
float timeout)
{
struct hostent * he;
struct sockaddr * dest;
int destlen;
struct sockaddr_in sin;
if(!(he=gethostbyname(host))) {
snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
"host \"%s\" not found",host);
connection->error = MPD_ERROR_UNKHOST;
return -1;
}
memset(&sin,0,sizeof(struct sockaddr_in));
/*dest.sin_family = he->h_addrtype;*/
sin.sin_family = AF_INET;
sin.sin_port = htons(port);
switch(he->h_addrtype) {
case AF_INET:
memcpy((char *)&sin.sin_addr.s_addr,(char *)he->h_addr,
he->h_length);
dest = (struct sockaddr *)&sin;
destlen = sizeof(struct sockaddr_in);
break;
default:
strcpy(connection->errorStr,"address type is not IPv4");
connection->error = MPD_ERROR_SYSTEM;
return -1;
break;
}
if((connection->sock = socket(dest->sa_family,SOCK_STREAM,0))<0) {
strcpy(connection->errorStr,"problems creating socket");
connection->error = MPD_ERROR_SYSTEM;
return -1;
}
mpd_setConnectionTimeout(connection,timeout);
/* connect stuff */
if (do_connect_fail(connection, dest, destlen)) {
snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
"problems connecting to \"%s\" on port"
" %i",host,port);
connection->error = MPD_ERROR_CONNPORT;
return -1;
}
return 0;
}
#endif /* !MPD_HAVE_GAI */
const char * mpdTagItemKeys[MPD_TAG_NUM_OF_ITEM_TYPES] =
{
"Artist",
"Album",
"Title",
"Track",
"Name",
"Genre",
"Date",
"Composer",
"Performer",
"Comment",
"Disc",
"Filename",
"Any"
};
static char * mpd_sanitizeArg(const char * arg) {
size_t i;
char * ret;
register const char *c;
register char *rc;
/* instead of counting in that loop above, just
* use a bit more memory and half running time
*/
ret = malloc(strlen(arg) * 2 + 1);
c = arg;
rc = ret;
for(i = strlen(arg)+1; i != 0; --i) {
if(*c=='"' || *c=='\\')
*rc++ = '\\';
*(rc++) = *(c++);
}
return ret;
}
static mpd_ReturnElement * mpd_newReturnElement(const char * name, const char * value)
{
mpd_ReturnElement * ret = malloc(sizeof(mpd_ReturnElement));
ret->name = strdup(name);
ret->value = strdup(value);
return ret;
}
static void mpd_freeReturnElement(mpd_ReturnElement * re) {
free(re->name);
free(re->value);
free(re);
}
void mpd_setConnectionTimeout(mpd_Connection * connection, float timeout) {
connection->timeout.tv_sec = (int)timeout;
connection->timeout.tv_usec = (int)(timeout*1e6 -
connection->timeout.tv_sec*1000000 +
0.5);
}
static int mpd_parseWelcome(mpd_Connection * connection, const char * host, int port,
char * rt, char * output) {
char * tmp;
char * test;
int i;
(void)rt;
if(strncmp(output,MPD_WELCOME_MESSAGE,strlen(MPD_WELCOME_MESSAGE))) {
snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
"mpd not running on port %i on host \"%s\"",
port,host);
connection->error = MPD_ERROR_NOTMPD;
return 1;
}
tmp = &output[strlen(MPD_WELCOME_MESSAGE)];
for(i=0;i<3;i++) {
if(tmp) connection->version[i] = strtol(tmp,&test,10);
if (!tmp || (test[0] != '.' && test[0] != '\0')) {
snprintf(connection->errorStr,
MPD_ERRORSTR_MAX_LENGTH,
"error parsing version number at "
"\"%s\"",
&output[strlen(MPD_WELCOME_MESSAGE)]);
connection->error = MPD_ERROR_NOTMPD;
return 1;
}
tmp = ++test;
}
return 0;
}
mpd_Connection * mpd_newConnection(const char * host, int port, float timeout) {
int err;
char * rt;
char * output = NULL;
mpd_Connection * connection = malloc(sizeof(mpd_Connection));
struct timeval tv;
fd_set fds;
strcpy(connection->buffer,"");
connection->buflen = 0;
connection->bufstart = 0;
strcpy(connection->errorStr,"");
connection->error = 0;
connection->doneProcessing = 0;
connection->commandList = 0;
connection->listOks = 0;
connection->doneListOk = 0;
connection->returnElement = NULL;
connection->request = NULL;
if (winsock_dll_error(connection))
return connection;
if (mpd_connect(connection, host, port, timeout) < 0)
return connection;
while(!(rt = strstr(connection->buffer,"\n"))) {
tv.tv_sec = connection->timeout.tv_sec;
tv.tv_usec = connection->timeout.tv_usec;
FD_ZERO(&fds);
FD_SET(connection->sock,&fds);
if((err = select(connection->sock+1,&fds,NULL,NULL,&tv)) == 1) {
int readed;
readed = recv(connection->sock,
&(connection->buffer[connection->buflen]),
MPD_BUFFER_MAX_LENGTH-connection->buflen,0);
if(readed<=0) {
snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
"problems getting a response from"
" \"%s\" on port %i : %s",host,
port, strerror(errno));
connection->error = MPD_ERROR_NORESPONSE;
return connection;
}
connection->buflen+=readed;
connection->buffer[connection->buflen] = '\0';
}
else if(err<0) {
if (SELECT_ERRNO_IGNORE)
continue;
snprintf(connection->errorStr,
MPD_ERRORSTR_MAX_LENGTH,
"problems connecting to \"%s\" on port"
" %i",host,port);
connection->error = MPD_ERROR_CONNPORT;
return connection;
}
else {
snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
"timeout in attempting to get a response from"
" \"%s\" on port %i",host,port);
connection->error = MPD_ERROR_NORESPONSE;
return connection;
}
}
*rt = '\0';
output = strdup(connection->buffer);
strcpy(connection->buffer,rt+1);
connection->buflen = strlen(connection->buffer);
if(mpd_parseWelcome(connection,host,port,rt,output) == 0) connection->doneProcessing = 1;
free(output);
return connection;
}
void mpd_clearError(mpd_Connection * connection) {
connection->error = 0;
connection->errorStr[0] = '\0';
}
void mpd_closeConnection(mpd_Connection * connection) {
closesocket(connection->sock);
if(connection->returnElement) free(connection->returnElement);
if(connection->request) free(connection->request);
free(connection);
WSACleanup();
}
static void mpd_executeCommand(mpd_Connection * connection,
const char * command) {
int ret;
struct timeval tv;
fd_set fds;
const char * commandPtr = command;
int commandLen = strlen(command);
if(!connection->doneProcessing && !connection->commandList) {
strcpy(connection->errorStr,"not done processing current command");
connection->error = 1;
return;
}
mpd_clearError(connection);
FD_ZERO(&fds);
FD_SET(connection->sock,&fds);
tv.tv_sec = connection->timeout.tv_sec;
tv.tv_usec = connection->timeout.tv_usec;
while((ret = select(connection->sock+1,NULL,&fds,NULL,&tv)==1) ||
(ret==-1 && SELECT_ERRNO_IGNORE)) {
ret = send(connection->sock,commandPtr,commandLen,MSG_DONTWAIT);
if(ret<=0)
{
if (SENDRECV_ERRNO_IGNORE) continue;
snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
"problems giving command \"%s\"",command);
connection->error = MPD_ERROR_SENDING;
return;
}
else {
commandPtr+=ret;
commandLen-=ret;
}
if(commandLen<=0) break;
}
if(commandLen>0) {
perror("");
snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
"timeout sending command \"%s\"",command);
connection->error = MPD_ERROR_TIMEOUT;
return;
}
if(!connection->commandList) connection->doneProcessing = 0;
else if(connection->commandList == COMMAND_LIST_OK) {
connection->listOks++;
}
}
static void mpd_getNextReturnElement(mpd_Connection * connection) {
char * output = NULL;
char * rt = NULL;
char * name = NULL;
char * value = NULL;
fd_set fds;
struct timeval tv;
char * tok = NULL;
int readed;
char * bufferCheck = NULL;
int err;
int pos;
if(connection->returnElement) mpd_freeReturnElement(connection->returnElement);
connection->returnElement = NULL;
if(connection->doneProcessing || (connection->listOks &&
connection->doneListOk))
{
strcpy(connection->errorStr,"already done processing current command");
connection->error = 1;
return;
}
bufferCheck = connection->buffer+connection->bufstart;
while(connection->bufstart>=connection->buflen ||
!(rt = strchr(bufferCheck,'\n'))) {
if(connection->buflen>=MPD_BUFFER_MAX_LENGTH) {
memmove(connection->buffer,
connection->buffer+
connection->bufstart,
connection->buflen-
connection->bufstart+1);
connection->buflen-=connection->bufstart;
connection->bufstart = 0;
}
if(connection->buflen>=MPD_BUFFER_MAX_LENGTH) {
strcpy(connection->errorStr,"buffer overrun");
connection->error = MPD_ERROR_BUFFEROVERRUN;
connection->doneProcessing = 1;
connection->doneListOk = 0;
return;
}
bufferCheck = connection->buffer+connection->buflen;
tv.tv_sec = connection->timeout.tv_sec;
tv.tv_usec = connection->timeout.tv_usec;
FD_ZERO(&fds);
FD_SET(connection->sock,&fds);
if((err = select(connection->sock+1,&fds,NULL,NULL,&tv) == 1)) {
readed = recv(connection->sock,
connection->buffer+connection->buflen,
MPD_BUFFER_MAX_LENGTH-connection->buflen,
MSG_DONTWAIT);
if(readed<0 && SENDRECV_ERRNO_IGNORE) {
continue;
}
if(readed<=0) {
strcpy(connection->errorStr,"connection"
" closed");
connection->error = MPD_ERROR_CONNCLOSED;
connection->doneProcessing = 1;
connection->doneListOk = 0;
return;
}
connection->buflen+=readed;
connection->buffer[connection->buflen] = '\0';
}
else if(err<0 && SELECT_ERRNO_IGNORE) continue;
else {
strcpy(connection->errorStr,"connection timeout");
connection->error = MPD_ERROR_TIMEOUT;
connection->doneProcessing = 1;
connection->doneListOk = 0;
return;
}
}
*rt = '\0';
output = connection->buffer+connection->bufstart;
connection->bufstart = rt - connection->buffer + 1;
if(strcmp(output,"OK")==0) {
if(connection->listOks > 0) {
strcpy(connection->errorStr, "expected more list_OK's");
connection->error = 1;
}
connection->listOks = 0;
connection->doneProcessing = 1;
connection->doneListOk = 0;
return;
}
if(strcmp(output, "list_OK") == 0) {
if(!connection->listOks) {
strcpy(connection->errorStr,
"got an unexpected list_OK");
connection->error = 1;
}
else {
connection->doneListOk = 1;
connection->listOks--;
}
return;
}
if(strncmp(output,"ACK",strlen("ACK"))==0) {
char * test;
char * needle;
int val;
strcpy(connection->errorStr, output);
connection->error = MPD_ERROR_ACK;
connection->errorCode = MPD_ACK_ERROR_UNK;
connection->errorAt = MPD_ERROR_AT_UNK;
connection->doneProcessing = 1;
connection->doneListOk = 0;
needle = strchr(output, '[');
if(!needle) return;
val = strtol(needle+1, &test, 10);
if(*test != '@') return;
connection->errorCode = val;
val = strtol(test+1, &test, 10);
if(*test != ']') return;
connection->errorAt = val;
return;
}
tok = strchr(output, ':');
if (!tok) return;
pos = tok - output;
value = ++tok;
name = output;
name[pos] = '\0';
if(value[0]==' ') {
connection->returnElement = mpd_newReturnElement(name,&(value[1]));
}
else {
snprintf(connection->errorStr,MPD_ERRORSTR_MAX_LENGTH,
"error parsing: %s:%s",name,value);
connection->error = 1;
}
}
void mpd_finishCommand(mpd_Connection * connection) {
while(!connection->doneProcessing) {
if(connection->doneListOk) connection->doneListOk = 0;
mpd_getNextReturnElement(connection);
}
}
static void mpd_finishListOkCommand(mpd_Connection * connection) {
while(!connection->doneProcessing && connection->listOks &&
!connection->doneListOk)
{
mpd_getNextReturnElement(connection);
}
}
int mpd_nextListOkCommand(mpd_Connection * connection) {
mpd_finishListOkCommand(connection);
if(!connection->doneProcessing) connection->doneListOk = 0;
if(connection->listOks == 0 || connection->doneProcessing) return -1;
return 0;
}
void mpd_sendStatusCommand(mpd_Connection * connection) {
mpd_executeCommand(connection,"status\n");
}
mpd_Status * mpd_getStatus(mpd_Connection * connection) {
mpd_Status * status;
/*mpd_executeCommand(connection,"status\n");
if(connection->error) return NULL;*/
if(connection->doneProcessing || (connection->listOks &&
connection->doneListOk))
{
return NULL;
}
if(!connection->returnElement) mpd_getNextReturnElement(connection);
status = malloc(sizeof(mpd_Status));
status->volume = -1;
status->repeat = 0;
status->random = 0;
status->playlist = -1;
status->playlistLength = -1;
status->state = -1;
status->song = 0;
status->songid = 0;
status->elapsedTime = 0;
status->totalTime = 0;
status->bitRate = 0;
status->sampleRate = 0;
status->bits = 0;
status->channels = 0;
status->crossfade = -1;
status->error = NULL;
status->updatingDb = 0;
if(connection->error) {
free(status);
return NULL;
}
while(connection->returnElement) {
mpd_ReturnElement * re = connection->returnElement;
if(strcmp(re->name,"volume")==0) {
status->volume = atoi(re->value);
}
else if(strcmp(re->name,"repeat")==0) {
status->repeat = atoi(re->value);
}
else if(strcmp(re->name,"random")==0) {
status->random = atoi(re->value);
}
else if(strcmp(re->name,"playlist")==0) {
status->playlist = strtol(re->value,NULL,10);
}
else if(strcmp(re->name,"playlistlength")==0) {
status->playlistLength = atoi(re->value);
}
else if(strcmp(re->name,"bitrate")==0) {
status->bitRate = atoi(re->value);
}
else if(strcmp(re->name,"state")==0) {
if(strcmp(re->value,"play")==0) {
status->state = MPD_STATUS_STATE_PLAY;
}
else if(strcmp(re->value,"stop")==0) {
status->state = MPD_STATUS_STATE_STOP;
}
else if(strcmp(re->value,"pause")==0) {
status->state = MPD_STATUS_STATE_PAUSE;
}
else {
status->state = MPD_STATUS_STATE_UNKNOWN;
}
}
else if(strcmp(re->name,"song")==0) {
status->song = atoi(re->value);
}
else if(strcmp(re->name,"songid")==0) {
status->songid = atoi(re->value);
}
else if(strcmp(re->name,"time")==0) {
char * tok = strchr(re->value,':');
/* the second strchr below is a safety check */
if (tok && (strchr(tok,0) > (tok+1))) {
/* atoi stops at the first non-[0-9] char: */
status->elapsedTime = atoi(re->value);
status->totalTime = atoi(tok+1);
}
}
else if(strcmp(re->name,"error")==0) {
status->error = strdup(re->value);
}
else if(strcmp(re->name,"xfade")==0) {
status->crossfade = atoi(re->value);
}
else if(strcmp(re->name,"updating_db")==0) {
status->updatingDb = atoi(re->value);
}
else if(strcmp(re->name,"audio")==0) {
char * tok = strchr(re->value,':');
if (tok && (strchr(tok,0) > (tok+1))) {
status->sampleRate = atoi(re->value);
status->bits = atoi(++tok);
tok = strchr(tok,':');
if (tok && (strchr(tok,0) > (tok+1)))
status->channels = atoi(tok+1);
}
}
mpd_getNextReturnElement(connection);
if(connection->error) {
free(status);
return NULL;
}
}
if(connection->error) {
free(status);
return NULL;
}
else if(status->state<0) {
strcpy(connection->errorStr,"state not found");
connection->error = 1;
free(status);
return NULL;
}
return status;
}
void mpd_freeStatus(mpd_Status * status) {
if(status->error) free(status->error);
free(status);
}
void mpd_sendStatsCommand(mpd_Connection * connection) {
mpd_executeCommand(connection,"stats\n");
}
mpd_Stats * mpd_getStats(mpd_Connection * connection) {
mpd_Stats * stats;
/*mpd_executeCommand(connection,"stats\n");
if(connection->error) return NULL;*/
if(connection->doneProcessing || (connection->listOks &&
connection->doneListOk))
{
return NULL;
}
if(!connection->returnElement) mpd_getNextReturnElement(connection);
stats = malloc(sizeof(mpd_Stats));
stats->numberOfArtists = 0;
stats->numberOfAlbums = 0;
stats->numberOfSongs = 0;
stats->uptime = 0;
stats->dbUpdateTime = 0;
stats->playTime = 0;
stats->dbPlayTime = 0;
if(connection->error) {
free(stats);
return NULL;
}
while(connection->returnElement) {
mpd_ReturnElement * re = connection->returnElement;
if(strcmp(re->name,"artists")==0) {
stats->numberOfArtists = atoi(re->value);
}
else if(strcmp(re->name,"albums")==0) {
stats->numberOfAlbums = atoi(re->value);
}
else if(strcmp(re->name,"songs")==0) {
stats->numberOfSongs = atoi(re->value);
}
else if(strcmp(re->name,"uptime")==0) {
stats->uptime = strtol(re->value,NULL,10);
}
else if(strcmp(re->name,"db_update")==0) {
stats->dbUpdateTime = strtol(re->value,NULL,10);
}
else if(strcmp(re->name,"playtime")==0) {
stats->playTime = strtol(re->value,NULL,10);
}
else if(strcmp(re->name,"db_playtime")==0) {
stats->dbPlayTime = strtol(re->value,NULL,10);
}
mpd_getNextReturnElement(connection);
if(connection->error) {
free(stats);
return NULL;
}
}
if(connection->error) {
free(stats);
return NULL;
}
return stats;
}
void mpd_freeStats(mpd_Stats * stats) {
free(stats);
}
mpd_SearchStats * mpd_getSearchStats(mpd_Connection * connection)
{
mpd_SearchStats * stats;
mpd_ReturnElement * re;
if (connection->doneProcessing ||
(connection->listOks && connection->doneListOk)) {
return NULL;
}
if (!connection->returnElement) mpd_getNextReturnElement(connection);
if (connection->error)
return NULL;
stats = malloc(sizeof(mpd_SearchStats));
stats->numberOfSongs = 0;
stats->playTime = 0;
while (connection->returnElement) {
re = connection->returnElement;
if (strcmp(re->name, "songs") == 0) {
stats->numberOfSongs = atoi(re->value);
} else if (strcmp(re->name, "playtime") == 0) {
stats->playTime = strtol(re->value, NULL, 10);
}
mpd_getNextReturnElement(connection);
if (connection->error) {
free(stats);
return NULL;
}
}
if (connection->error) {
free(stats);
return NULL;
}
return stats;
}
void mpd_freeSearchStats(mpd_SearchStats * stats)
{
free(stats);
}
static void mpd_initSong(mpd_Song * song) {
song->file = NULL;
song->artist = NULL;
song->album = NULL;
song->track = NULL;
song->title = NULL;
song->name = NULL;
song->date = NULL;
/* added by Qball */
song->genre = NULL;
song->composer = NULL;
song->performer = NULL;
song->disc = NULL;
song->comment = NULL;
song->time = MPD_SONG_NO_TIME;
song->pos = MPD_SONG_NO_NUM;
song->id = MPD_SONG_NO_ID;
}
static void mpd_finishSong(mpd_Song * song) {
if(song->file) free(song->file);
if(song->artist) free(song->artist);
if(song->album) free(song->album);
if(song->title) free(song->title);
if(song->track) free(song->track);
if(song->name) free(song->name);
if(song->date) free(song->date);
if(song->genre) free(song->genre);
if(song->composer) free(song->composer);
if(song->disc) free(song->disc);
if(song->comment) free(song->comment);
}
mpd_Song * mpd_newSong(void) {
mpd_Song * ret = malloc(sizeof(mpd_Song));
mpd_initSong(ret);
return ret;
}
void mpd_freeSong(mpd_Song * song) {
mpd_finishSong(song);
free(song);
}
mpd_Song * mpd_songDup(mpd_Song * song) {
mpd_Song * ret = mpd_newSong();
if(song->file) ret->file = strdup(song->file);
if(song->artist) ret->artist = strdup(song->artist);
if(song->album) ret->album = strdup(song->album);
if(song->title) ret->title = strdup(song->title);
if(song->track) ret->track = strdup(song->track);
if(song->name) ret->name = strdup(song->name);
if(song->date) ret->date = strdup(song->date);
if(song->genre) ret->genre= strdup(song->genre);
if(song->composer) ret->composer= strdup(song->composer);
if(song->disc) ret->disc = strdup(song->disc);
if(song->comment) ret->comment = strdup(song->comment);
ret->time = song->time;
ret->pos = song->pos;
ret->id = song->id;
return ret;
}
static void mpd_initDirectory(mpd_Directory * directory) {
directory->path = NULL;
}
static void mpd_finishDirectory(mpd_Directory * directory) {
if(directory->path) free(directory->path);
}
mpd_Directory * mpd_newDirectory(void) {
mpd_Directory * directory = malloc(sizeof(mpd_Directory));;
mpd_initDirectory(directory);
return directory;