--- \/dev\/null +++ b\/libmpdclient.c @@ -0,0 +1,1957 @@ +\/* libmpdclient + (c)2003-2006 by Warren Dukes (warren.dukes@gmail.com) + 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. +*\/ + +#include "libmpdclient.h" + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#ifdef WIN32 +# include +# include +#else +# include +# include +# include +# include +#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 *\/ + +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; + + 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, char *command) +{ + int ret; + struct timeval tv; + fd_set fds; + 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; +} + +void mpd_freeDirectory(mpd_Directory * directory) +{ + mpd_finishDirectory(directory); + + free(directory); +} + +mpd_Directory *mpd_directoryDup(mpd_Directory * directory) +{ + mpd_Directory *ret = mpd_newDirectory(); + + if (directory->path) + ret->path = strdup(directory->path); + + return ret; +} + +static void mpd_initPlaylistFile(mpd_PlaylistFile * playlist) +{ + playlist->path = NULL; +} + +static void mpd_finishPlaylistFile(mpd_PlaylistFile * playlist) +{ + if (playlist->path) + free(playlist->path); +} + +mpd_PlaylistFile *mpd_newPlaylistFile(void) +{ + mpd_PlaylistFile *playlist = malloc(sizeof(mpd_PlaylistFile)); + + mpd_initPlaylistFile(playlist); + + return playlist; +} + +void mpd_freePlaylistFile(mpd_PlaylistFile * playlist) +{ + mpd_finishPlaylistFile(playlist); + free(playlist); +} + +mpd_PlaylistFile *mpd_playlistFileDup(mpd_PlaylistFile * playlist) +{ + mpd_PlaylistFile *ret = mpd_newPlaylistFile(); + + if (playlist->path) + ret->path = strdup(playlist->path); + + return ret; +} + +static void mpd_initInfoEntity(mpd_InfoEntity * entity) +{ + entity->info.directory = NULL; +} + +static void mpd_finishInfoEntity(mpd_InfoEntity * entity) +{ + if (entity->info.directory) { + if (entity->type == MPD_INFO_ENTITY_TYPE_DIRECTORY) { + mpd_freeDirectory(entity->info.directory); + } else if (entity->type == MPD_INFO_ENTITY_TYPE_SONG) { + mpd_freeSong(entity->info.song); + } else if (entity->type == MPD_INFO_ENTITY_TYPE_PLAYLISTFILE) { + mpd_freePlaylistFile(entity->info.playlistFile); + } + } +} + +mpd_InfoEntity *mpd_newInfoEntity(void) +{ + mpd_InfoEntity *entity = malloc(sizeof(mpd_InfoEntity)); + + mpd_initInfoEntity(entity); + + return entity; +} + +void mpd_freeInfoEntity(mpd_InfoEntity * entity) +{ + mpd_finishInfoEntity(entity); + free(entity); +} + +static void mpd_sendInfoCommand(mpd_Connection * connection, char *command) +{ + mpd_executeCommand(connection, command); +} + +mpd_InfoEntity *mpd_getNextInfoEntity(mpd_Connection * connection) +{ + mpd_InfoEntity *entity = NULL; + + if (connection->doneProcessing || (connection->listOks && connection->doneListOk)) { + return NULL; + } + + if (!connection->returnElement) + mpd_getNextReturnElement(connection); + + if (connection->returnElement) { + if (strcmp(connection->returnElement->name, "file") == 0) { + entity = mpd_newInfoEntity(); + entity->type = MPD_INFO_ENTITY_TYPE_SONG; + entity->info.song = mpd_newSong(); + entity->info.song->file = strdup(connection->returnElement->value); + } else if (strcmp(connection->returnElement->name, "directory") == 0) { + entity = mpd_newInfoEntity(); + entity->type = MPD_INFO_ENTITY_TYPE_DIRECTORY; + entity->info.directory = mpd_newDirectory(); + entity->info.directory->path = strdup(connection->returnElement->value); + } else if (strcmp(connection->returnElement->name, "playlist") == 0) { + entity = mpd_newInfoEntity(); + entity->type = MPD_INFO_ENTITY_TYPE_PLAYLISTFILE; + entity->info.playlistFile = mpd_newPlaylistFile(); + entity->info.playlistFile->path = strdup(connection->returnElement->value); + } else if (strcmp(connection->returnElement->name, "cpos") == 0) { + entity = mpd_newInfoEntity(); + entity->type = MPD_INFO_ENTITY_TYPE_SONG; + entity->info.song = mpd_newSong(); + entity->info.song->pos = atoi(connection->returnElement->value); + } else { + connection->error = 1; + strcpy(connection->errorStr, "problem parsing song info"); + return NULL; + } + } else + return NULL; + + mpd_getNextReturnElement(connection); + while (connection->returnElement) { + mpd_ReturnElement *re = connection->returnElement; + + if (strcmp(re->name, "file") == 0) + return entity; + else if (strcmp(re->name, "directory") == 0) + return entity; + else if (strcmp(re->name, "playlist") == 0) + return entity; + else if (strcmp(re->name, "cpos") == 0) + return entity; + + if (entity->type == MPD_INFO_ENTITY_TYPE_SONG && strlen(re->value)) { + if (!entity->info.song->artist && strcmp(re->name, "Artist") == 0) { + entity->info.song->artist = strdup(re->value); + } else if (!entity->info.song->album && strcmp(re->name, "Album") == 0) { + entity->info.song->album = strdup(re->value); + } else if (!entity->info.song->title && strcmp(re->name, "Title") == 0) { + entity->info.song->title = strdup(re->value); + } else if (!entity->info.song->track && strcmp(re->name, "Track") == 0) { + entity->info.song->track = strdup(re->value); + } else if (!entity->info.song->name && strcmp(re->name, "Name") == 0) { + entity->info.song->name = strdup(re->value); + } else if (entity->info.song->time == MPD_SONG_NO_TIME && strcmp(re->name, "Time") == 0) { + entity->info.song->time = atoi(re->value); + } else if (entity->info.song->pos == MPD_SONG_NO_NUM && strcmp(re->name, "Pos") == 0) { + entity->info.song->pos = atoi(re->value); + } else if (entity->info.song->id == MPD_SONG_NO_ID && strcmp(re->name, "Id") == 0) { + entity->info.song->id = atoi(re->value); + } else if (!entity->info.song->date && strcmp(re->name, "Date") == 0) { + entity->info.song->date = strdup(re->value); + } else if (!entity->info.song->genre && strcmp(re->name, "Genre") == 0) { + entity->info.song->genre = strdup(re->value); + } else if (!entity->info.song->composer && strcmp(re->name, "Composer") == 0) { + entity->info.song->composer = strdup(re->value); + } else if (!entity->info.song->performer && strcmp(re->name, "Performer") == 0) { + entity->info.song->performer = strdup(re->value); + } else if (!entity->info.song->disc && strcmp(re->name, "Disc") == 0) { + entity->info.song->disc = strdup(re->value); + } else if (!entity->info.song->comment && strcmp(re->name, "Comment") == 0) { + entity->info.song->comment = strdup(re->value); + } + } else if (entity->type == MPD_INFO_ENTITY_TYPE_DIRECTORY) { + } else if (entity->type == MPD_INFO_ENTITY_TYPE_PLAYLISTFILE) { + } + + mpd_getNextReturnElement(connection); + } + + return entity; +} + +static char *mpd_getNextReturnElementNamed(mpd_Connection * connection, const char *name) +{ + if (connection->doneProcessing || (connection->listOks && connection->doneListOk)) { + return NULL; + } + + mpd_getNextReturnElement(connection); + while (connection->returnElement) { + mpd_ReturnElement *re = connection->returnElement; + + if (strcmp(re->name, name) == 0) + return strdup(re->value); + mpd_getNextReturnElement(connection); + } + + return NULL; +} + +char *mpd_getNextTag(mpd_Connection * connection, int type) +{ + if (type < 0 || type >= MPD_TAG_NUM_OF_ITEM_TYPES || type == MPD_TAG_ITEM_ANY) + return NULL; + if (type == MPD_TAG_ITEM_FILENAME) + return mpd_getNextReturnElementNamed(connection, "file"); + return mpd_getNextReturnElementNamed(connection, mpdTagItemKeys[type]); +} + +char *mpd_getNextArtist(mpd_Connection * connection) +{ + return mpd_getNextReturnElementNamed(connection, "Artist"); +} + +char *mpd_getNextAlbum(mpd_Connection * connection) +{ + return mpd_getNextReturnElementNamed(connection, "Album"); +} + +void mpd_sendPlaylistInfoCommand(mpd_Connection * connection, int songPos) +{ + int len = strlen("playlistinfo") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "playlistinfo \"%i\"\n", songPos); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendPlaylistIdCommand(mpd_Connection * connection, int id) +{ + int len = strlen("playlistid") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "playlistid \"%i\"\n", id); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendPlChangesCommand(mpd_Connection * connection, long long playlist) +{ + int len = strlen("plchanges") + 2 + LONGLONGLEN + 3; + char *string = malloc(len); + snprintf(string, len, "plchanges \"%lld\"\n", playlist); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendPlChangesPosIdCommand(mpd_Connection * connection, long long playlist) +{ + int len = strlen("plchangesposid") + 2 + LONGLONGLEN + 3; + char *string = malloc(len); + snprintf(string, len, "plchangesposid \"%lld\"\n", playlist); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendListallCommand(mpd_Connection * connection, const char *dir) +{ + char *sDir = mpd_sanitizeArg(dir); + int len = strlen("listall") + 2 + strlen(sDir) + 3; + char *string = malloc(len); + snprintf(string, len, "listall \"%s\"\n", sDir); + mpd_sendInfoCommand(connection, string); + free(string); + free(sDir); +} + +void mpd_sendListallInfoCommand(mpd_Connection * connection, const char *dir) +{ + char *sDir = mpd_sanitizeArg(dir); + int len = strlen("listallinfo") + 2 + strlen(sDir) + 3; + char *string = malloc(len); + snprintf(string, len, "listallinfo \"%s\"\n", sDir); + mpd_sendInfoCommand(connection, string); + free(string); + free(sDir); +} + +void mpd_sendLsInfoCommand(mpd_Connection * connection, const char *dir) +{ + char *sDir = mpd_sanitizeArg(dir); + int len = strlen("lsinfo") + 2 + strlen(sDir) + 3; + char *string = malloc(len); + snprintf(string, len, "lsinfo \"%s\"\n", sDir); + mpd_sendInfoCommand(connection, string); + free(string); + free(sDir); +} + +void mpd_sendCurrentSongCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "currentsong\n"); +} + +void mpd_sendSearchCommand(mpd_Connection * connection, int table, const char *str) +{ + mpd_startSearch(connection, 0); + mpd_addConstraintSearch(connection, table, str); + mpd_commitSearch(connection); +} + +void mpd_sendFindCommand(mpd_Connection * connection, int table, const char *str) +{ + mpd_startSearch(connection, 1); + mpd_addConstraintSearch(connection, table, str); + mpd_commitSearch(connection); +} + +void mpd_sendListCommand(mpd_Connection * connection, int table, const char *arg1) +{ + char st[10]; + int len; + char *string; + if (table == MPD_TABLE_ARTIST) + strcpy(st, "artist"); + else if (table == MPD_TABLE_ALBUM) + strcpy(st, "album"); + else { + connection->error = 1; + strcpy(connection->errorStr, "unknown table for list"); + return; + } + if (arg1) { + char *sanitArg1 = mpd_sanitizeArg(arg1); + len = strlen("list") + 1 + strlen(sanitArg1) + 2 + strlen(st) + 3; + string = malloc(len); + snprintf(string, len, "list %s \"%s\"\n", st, sanitArg1); + free(sanitArg1); + } else { + len = strlen("list") + 1 + strlen(st) + 2; + string = malloc(len); + snprintf(string, len, "list %s\n", st); + } + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendAddCommand(mpd_Connection * connection, const char *file) +{ + char *sFile = mpd_sanitizeArg(file); + int len = strlen("add") + 2 + strlen(sFile) + 3; + char *string = malloc(len); + snprintf(string, len, "add \"%s\"\n", sFile); + mpd_executeCommand(connection, string); + free(string); + free(sFile); +} + +int mpd_sendAddIdCommand(mpd_Connection * connection, const char *file) +{ + int retval = -1; + char *sFile = mpd_sanitizeArg(file); + int len = strlen("addid") + 2 + strlen(sFile) + 3; + char *string = malloc(len); + + snprintf(string, len, "addid \"%s\"\n", sFile); + mpd_sendInfoCommand(connection, string); + free(string); + free(sFile); + + string = mpd_getNextReturnElementNamed(connection, "Id"); + if (string) { + retval = atoi(string); + free(string); + } + + return retval; +} + +void mpd_sendDeleteCommand(mpd_Connection * connection, int songPos) +{ + int len = strlen("delete") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "delete \"%i\"\n", songPos); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendDeleteIdCommand(mpd_Connection * connection, int id) +{ + int len = strlen("deleteid") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "deleteid \"%i\"\n", id); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendSaveCommand(mpd_Connection * connection, const char *name) +{ + char *sName = mpd_sanitizeArg(name); + int len = strlen("save") + 2 + strlen(sName) + 3; + char *string = malloc(len); + snprintf(string, len, "save \"%s\"\n", sName); + mpd_executeCommand(connection, string); + free(string); + free(sName); +} + +void mpd_sendLoadCommand(mpd_Connection * connection, const char *name) +{ + char *sName = mpd_sanitizeArg(name); + int len = strlen("load") + 2 + strlen(sName) + 3; + char *string = malloc(len); + snprintf(string, len, "load \"%s\"\n", sName); + mpd_executeCommand(connection, string); + free(string); + free(sName); +} + +void mpd_sendRmCommand(mpd_Connection * connection, const char *name) +{ + char *sName = mpd_sanitizeArg(name); + int len = strlen("rm") + 2 + strlen(sName) + 3; + char *string = malloc(len); + snprintf(string, len, "rm \"%s\"\n", sName); + mpd_executeCommand(connection, string); + free(string); + free(sName); +} + +void mpd_sendRenameCommand(mpd_Connection * connection, const char *from, const char *to) +{ + char *sFrom = mpd_sanitizeArg(from); + char *sTo = mpd_sanitizeArg(to); + int len = strlen("rename") + 2 + strlen(sFrom) + 3 + strlen(sTo) + 3; + char *string = malloc(len); + snprintf(string, len, "rename \"%s\" \"%s\"\n", sFrom, sTo); + mpd_executeCommand(connection, string); + free(string); + free(sFrom); + free(sTo); +} + +void mpd_sendShuffleCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "shuffle\n"); +} + +void mpd_sendClearCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "clear\n"); +} + +void mpd_sendPlayCommand(mpd_Connection * connection, int songPos) +{ + int len = strlen("play") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "play \"%i\"\n", songPos); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendPlayIdCommand(mpd_Connection * connection, int id) +{ + int len = strlen("playid") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "playid \"%i\"\n", id); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendStopCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "stop\n"); +} + +void mpd_sendPauseCommand(mpd_Connection * connection, int pauseMode) +{ + int len = strlen("pause") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "pause \"%i\"\n", pauseMode); + mpd_executeCommand(connection, string); + free(string); +} + +void mpd_sendNextCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "next\n"); +} + +void mpd_sendMoveCommand(mpd_Connection * connection, int from, int to) +{ + int len = strlen("move") + 2 + INTLEN + 3 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "move \"%i\" \"%i\"\n", from, to); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendMoveIdCommand(mpd_Connection * connection, int id, int to) +{ + int len = strlen("moveid") + 2 + INTLEN + 3 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "moveid \"%i\" \"%i\"\n", id, to); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendSwapCommand(mpd_Connection * connection, int song1, int song2) +{ + int len = strlen("swap") + 2 + INTLEN + 3 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "swap \"%i\" \"%i\"\n", song1, song2); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendSwapIdCommand(mpd_Connection * connection, int id1, int id2) +{ + int len = strlen("swapid") + 2 + INTLEN + 3 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "swapid \"%i\" \"%i\"\n", id1, id2); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendSeekCommand(mpd_Connection * connection, int song, int time) +{ + int len = strlen("seek") + 2 + INTLEN + 3 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "seek \"%i\" \"%i\"\n", song, time); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendSeekIdCommand(mpd_Connection * connection, int id, int time) +{ + int len = strlen("seekid") + 2 + INTLEN + 3 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "seekid \"%i\" \"%i\"\n", id, time); + mpd_sendInfoCommand(connection, string); + free(string); +} + +void mpd_sendUpdateCommand(mpd_Connection * connection, char *path) +{ + char *sPath = mpd_sanitizeArg(path); + int len = strlen("update") + 2 + strlen(sPath) + 3; + char *string = malloc(len); + snprintf(string, len, "update \"%s\"\n", sPath); + mpd_sendInfoCommand(connection, string); + free(string); + free(sPath); +} + +int mpd_getUpdateId(mpd_Connection * connection) +{ + char *jobid; + int ret = 0; + + jobid = mpd_getNextReturnElementNamed(connection, "updating_db"); + if (jobid) { + ret = atoi(jobid); + free(jobid); + } + + return ret; +} + +void mpd_sendPrevCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "previous\n"); +} + +void mpd_sendRepeatCommand(mpd_Connection * connection, int repeatMode) +{ + int len = strlen("repeat") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "repeat \"%i\"\n", repeatMode); + mpd_executeCommand(connection, string); + free(string); +} + +void mpd_sendRandomCommand(mpd_Connection * connection, int randomMode) +{ + int len = strlen("random") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "random \"%i\"\n", randomMode); + mpd_executeCommand(connection, string); + free(string); +} + +void mpd_sendSetvolCommand(mpd_Connection * connection, int volumeChange) +{ + int len = strlen("setvol") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "setvol \"%i\"\n", volumeChange); + mpd_executeCommand(connection, string); + free(string); +} + +void mpd_sendVolumeCommand(mpd_Connection * connection, int volumeChange) +{ + int len = strlen("volume") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "volume \"%i\"\n", volumeChange); + mpd_executeCommand(connection, string); + free(string); +} + +void mpd_sendCrossfadeCommand(mpd_Connection * connection, int seconds) +{ + int len = strlen("crossfade") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "crossfade \"%i\"\n", seconds); + mpd_executeCommand(connection, string); + free(string); +} + +void mpd_sendPasswordCommand(mpd_Connection * connection, const char *pass) +{ + char *sPass = mpd_sanitizeArg(pass); + int len = strlen("password") + 2 + strlen(sPass) + 3; + char *string = malloc(len); + snprintf(string, len, "password \"%s\"\n", sPass); + mpd_executeCommand(connection, string); + free(string); + free(sPass); +} + +void mpd_sendCommandListBegin(mpd_Connection * connection) +{ + if (connection->commandList) { + strcpy(connection->errorStr, "already in command list mode"); + connection->error = 1; + return; + } + connection->commandList = COMMAND_LIST; + mpd_executeCommand(connection, "command_list_begin\n"); +} + +void mpd_sendCommandListOkBegin(mpd_Connection * connection) +{ + if (connection->commandList) { + strcpy(connection->errorStr, "already in command list mode"); + connection->error = 1; + return; + } + connection->commandList = COMMAND_LIST_OK; + mpd_executeCommand(connection, "command_list_ok_begin\n"); + connection->listOks = 0; +} + +void mpd_sendCommandListEnd(mpd_Connection * connection) +{ + if (!connection->commandList) { + strcpy(connection->errorStr, "not in command list mode"); + connection->error = 1; + return; + } + connection->commandList = 0; + mpd_executeCommand(connection, "command_list_end\n"); +} + +void mpd_sendOutputsCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "outputs\n"); +} + +mpd_OutputEntity *mpd_getNextOutput(mpd_Connection * connection) +{ + mpd_OutputEntity *output = NULL; + + if (connection->doneProcessing || (connection->listOks && connection->doneListOk)) { + return NULL; + } + + if (connection->error) + return NULL; + + output = malloc(sizeof(mpd_OutputEntity)); + output->id = -10; + output->name = NULL; + output->enabled = 0; + + if (!connection->returnElement) + mpd_getNextReturnElement(connection); + + while (connection->returnElement) { + mpd_ReturnElement *re = connection->returnElement; + if (strcmp(re->name, "outputid") == 0) { + if (output != NULL && output->id >= 0) + return output; + output->id = atoi(re->value); + } else if (strcmp(re->name, "outputname") == 0) { + output->name = strdup(re->value); + } else if (strcmp(re->name, "outputenabled") == 0) { + output->enabled = atoi(re->value); + } + + mpd_getNextReturnElement(connection); + if (connection->error) { + free(output); + return NULL; + } + + } + + return output; +} + +void mpd_sendEnableOutputCommand(mpd_Connection * connection, int outputId) +{ + int len = strlen("enableoutput") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "enableoutput \"%i\"\n", outputId); + mpd_executeCommand(connection, string); + free(string); +} + +void mpd_sendDisableOutputCommand(mpd_Connection * connection, int outputId) +{ + int len = strlen("disableoutput") + 2 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "disableoutput \"%i\"\n", outputId); + mpd_executeCommand(connection, string); + free(string); +} + +void mpd_freeOutputElement(mpd_OutputEntity * output) +{ + free(output->name); + free(output); +} + +\/** + * mpd_sendNotCommandsCommand + * odd naming, but it gets the not allowed commands + *\/ + +void mpd_sendNotCommandsCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "notcommands\n"); +} + +\/** + * mpd_sendCommandsCommand + * odd naming, but it gets the allowed commands + *\/ +void mpd_sendCommandsCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "commands\n"); +} + +\/** + * Get the next returned command + *\/ +char *mpd_getNextCommand(mpd_Connection * connection) +{ + return mpd_getNextReturnElementNamed(connection, "command"); +} + +void mpd_sendUrlHandlersCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "urlhandlers\n"); +} + +char *mpd_getNextHandler(mpd_Connection * connection) +{ + return mpd_getNextReturnElementNamed(connection, "handler"); +} + +void mpd_sendTagTypesCommand(mpd_Connection * connection) +{ + mpd_executeCommand(connection, "tagtypes\n"); +} + +char *mpd_getNextTagType(mpd_Connection * connection) +{ + return mpd_getNextReturnElementNamed(connection, "tagtype"); +} + +void mpd_startSearch(mpd_Connection * connection, int exact) +{ + if (connection->request) { + strcpy(connection->errorStr, "search already in progress"); + connection->error = 1; + return; + } + + if (exact) + connection->request = strdup("find"); + else + connection->request = strdup("search"); +} + +void mpd_startStatsSearch(mpd_Connection * connection) +{ + if (connection->request) { + strcpy(connection->errorStr, "search already in progress"); + connection->error = 1; + return; + } + + connection->request = strdup("count"); +} + +void mpd_startPlaylistSearch(mpd_Connection * connection, int exact) +{ + if (connection->request) { + strcpy(connection->errorStr, "search already in progress"); + connection->error = 1; + return; + } + + if (exact) + connection->request = strdup("playlistfind"); + else + connection->request = strdup("playlistsearch"); +} + +void mpd_startFieldSearch(mpd_Connection * connection, int type) +{ + char *strtype; + int len; + + if (connection->request) { + strcpy(connection->errorStr, "search already in progress"); + connection->error = 1; + return; + } + + if (type < 0 || type >= MPD_TAG_NUM_OF_ITEM_TYPES) { + strcpy(connection->errorStr, "invalid type specified"); + connection->error = 1; + return; + } + + strtype = mpdTagItemKeys[type]; + + len = 5 + strlen(strtype) + 1; + connection->request = malloc(len); + + snprintf(connection->request, len, "list %c%s", tolower(strtype[0]), strtype + 1); +} + +void mpd_addConstraintSearch(mpd_Connection * connection, int type, const char *name) +{ + char *strtype; + char *arg; + int len; + char *string; + + if (!connection->request) { + strcpy(connection->errorStr, "no search in progress"); + connection->error = 1; + return; + } + + if (type < 0 || type >= MPD_TAG_NUM_OF_ITEM_TYPES) { + strcpy(connection->errorStr, "invalid type specified"); + connection->error = 1; + return; + } + + if (name == NULL) { + strcpy(connection->errorStr, "no name specified"); + connection->error = 1; + return; + } + + string = strdup(connection->request); + strtype = mpdTagItemKeys[type]; + arg = mpd_sanitizeArg(name); + + len = strlen(string) + 1 + strlen(strtype) + 2 + strlen(arg) + 2; + connection->request = realloc(connection->request, len); + snprintf(connection->request, len, "%s %c%s \"%s\"", string, tolower(strtype[0]), strtype + 1, arg); + + free(string); + free(arg); +} + +void mpd_commitSearch(mpd_Connection * connection) +{ + int len; + + if (!connection->request) { + strcpy(connection->errorStr, "no search in progress"); + connection->error = 1; + return; + } + + len = strlen(connection->request) + 2; + connection->request = realloc(connection->request, len); + connection->request[len - 2] = '\n'; + connection->request[len - 1] = '\0'; + mpd_sendInfoCommand(connection, connection->request); + + free(connection->request); + connection->request = NULL; +} + +\/** + * @param connection a MpdConnection + * @param path the path to the playlist. + * + * List the content, with full metadata, of a stored playlist. + * + *\/ +void mpd_sendListPlaylistInfoCommand(mpd_Connection * connection, char *path) +{ + char *arg = mpd_sanitizeArg(path); + int len = strlen("listplaylistinfo") + 2 + strlen(arg) + 3; + char *query = malloc(len); + snprintf(query, len, "listplaylistinfo \"%s\"\n", arg); + mpd_sendInfoCommand(connection, query); + free(arg); + free(query); +} + +\/** + * @param connection a MpdConnection + * @param path the path to the playlist. + * + * List the content of a stored playlist. + * + *\/ +void mpd_sendListPlaylistCommand(mpd_Connection * connection, char *path) +{ + char *arg = mpd_sanitizeArg(path); + int len = strlen("listplaylist") + 2 + strlen(arg) + 3; + char *query = malloc(len); + snprintf(query, len, "listplaylist \"%s\"\n", arg); + mpd_sendInfoCommand(connection, query); + free(arg); + free(query); +} + +void mpd_sendPlaylistClearCommand(mpd_Connection * connection, char *path) +{ + char *sPath = mpd_sanitizeArg(path); + int len = strlen("playlistclear") + 2 + strlen(sPath) + 3; + char *string = malloc(len); + snprintf(string, len, "playlistclear \"%s\"\n", sPath); + mpd_executeCommand(connection, string); + free(sPath); + free(string); +} + +void mpd_sendPlaylistAddCommand(mpd_Connection * connection, char *playlist, char *path) +{ + char *sPlaylist = mpd_sanitizeArg(playlist); + char *sPath = mpd_sanitizeArg(path); + int len = strlen("playlistadd") + 2 + strlen(sPlaylist) + 3 + strlen(sPath) + 3; + char *string = malloc(len); + snprintf(string, len, "playlistadd \"%s\" \"%s\"\n", sPlaylist, sPath); + mpd_executeCommand(connection, string); + free(sPlaylist); + free(sPath); + free(string); +} + +void mpd_sendPlaylistMoveCommand(mpd_Connection * connection, char *playlist, int from, int to) +{ + char *sPlaylist = mpd_sanitizeArg(playlist); + int len = strlen("playlistmove") + 2 + strlen(sPlaylist) + 3 + INTLEN + 3 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "playlistmove \"%s\" \"%i\" \"%i\"\n", sPlaylist, from, to); + mpd_executeCommand(connection, string); + free(sPlaylist); + free(string); +} + +void mpd_sendPlaylistDeleteCommand(mpd_Connection * connection, char *playlist, int pos) +{ + char *sPlaylist = mpd_sanitizeArg(playlist); + int len = strlen("playlistdelete") + 2 + strlen(sPlaylist) + 3 + INTLEN + 3; + char *string = malloc(len); + snprintf(string, len, "playlistdelete \"%s\" \"%i\"\n", sPlaylist, pos); + mpd_executeCommand(connection, string); + free(sPlaylist); + free(string); +} --- \/dev\/null +++ b\/libmpdclient.h @@ -0,0 +1,661 @@ +\/* libmpdclient + (c)2003-2006 by Warren Dukes (warren.dukes@gmail.com) + 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. +*\/ + +#ifndef LIBMPDCLIENT_H +#define LIBMPDCLIENT_H + +#ifdef WIN32 +# define __W32API_USE_DLLIMPORT__ 1 +#endif + +#include +#include +#define MPD_BUFFER_MAX_LENGTH 50000 +#define MPD_ERRORSTR_MAX_LENGTH 1000 +#define MPD_WELCOME_MESSAGE "OK MPD " + +#define MPD_ERROR_TIMEOUT 10 \/* timeout trying to talk to mpd *\/ +#define MPD_ERROR_SYSTEM 11 \/* system error *\/ +#define MPD_ERROR_UNKHOST 12 \/* unknown host *\/ +#define MPD_ERROR_CONNPORT 13 \/* problems connecting to port on host *\/ +#define MPD_ERROR_NOTMPD 14 \/* mpd not running on port at host *\/ +#define MPD_ERROR_NORESPONSE 15 \/* no response on attempting to connect *\/ +#define MPD_ERROR_SENDING 16 \/* error sending command *\/ +#define MPD_ERROR_CONNCLOSED 17 \/* connection closed by mpd *\/ +#define MPD_ERROR_ACK 18 \/* ACK returned! *\/ +#define MPD_ERROR_BUFFEROVERRUN 19 \/* Buffer was overrun! *\/ + +#define MPD_ACK_ERROR_UNK -1 +#define MPD_ERROR_AT_UNK -1 + +#define MPD_ACK_ERROR_NOT_LIST 1 +#define MPD_ACK_ERROR_ARG 2 +#define MPD_ACK_ERROR_PASSWORD 3 +#define MPD_ACK_ERROR_PERMISSION 4 +#define MPD_ACK_ERROR_UNKNOWN_CMD 5 + +#define MPD_ACK_ERROR_NO_EXIST 50 +#define MPD_ACK_ERROR_PLAYLIST_MAX 51 +#define MPD_ACK_ERROR_SYSTEM 52 +#define MPD_ACK_ERROR_PLAYLIST_LOAD 53 +#define MPD_ACK_ERROR_UPDATE_ALREADY 54 +#define MPD_ACK_ERROR_PLAYER_SYNC 55 +#define MPD_ACK_ERROR_EXIST 56 + +#ifdef __cplusplus +extern "C" { +#endif + + typedef enum mpd_TagItems { + MPD_TAG_ITEM_ARTIST, + MPD_TAG_ITEM_ALBUM, + MPD_TAG_ITEM_TITLE, + MPD_TAG_ITEM_TRACK, + MPD_TAG_ITEM_NAME, + MPD_TAG_ITEM_GENRE, + MPD_TAG_ITEM_DATE, + MPD_TAG_ITEM_COMPOSER, + MPD_TAG_ITEM_PERFORMER, + MPD_TAG_ITEM_COMMENT, + MPD_TAG_ITEM_DISC, + MPD_TAG_ITEM_FILENAME, + MPD_TAG_ITEM_ANY, + MPD_TAG_NUM_OF_ITEM_TYPES + } mpd_TagItems; + + extern char *mpdTagItemKeys[MPD_TAG_NUM_OF_ITEM_TYPES]; + +\/* internal stuff don't touch this struct *\/ + typedef struct _mpd_ReturnElement { + char *name; + char *value; + } mpd_ReturnElement; + +\/* mpd_Connection + * holds info about connection to mpd + * use error, and errorStr to detect errors + *\/ + typedef struct _mpd_Connection { + \/* use this to check the version of mpd *\/ + int version[3]; + \/* IMPORTANT, you want to get the error messages from here *\/ + char errorStr[MPD_ERRORSTR_MAX_LENGTH + 1]; + int errorCode; + int errorAt; + \/* this will be set to MPD_ERROR_* if there is an error, 0 if not *\/ + int error; + \/* DON'T TOUCH any of the rest of this stuff *\/ + int sock; + char buffer[MPD_BUFFER_MAX_LENGTH + 1]; + int buflen; + int bufstart; + int doneProcessing; + int listOks; + int doneListOk; + int commandList; + mpd_ReturnElement *returnElement; + struct timeval timeout; + char *request; + } mpd_Connection; + +\/* mpd_newConnection + * use this to open a new connection + * you should use mpd_closeConnection, when your done with the connection, + * even if an error has occurred + * _timeout_ is the connection timeout period in seconds + *\/ + mpd_Connection *mpd_newConnection(const char *host, int port, float timeout); + + void mpd_setConnectionTimeout(mpd_Connection * connection, float timeout); + +\/* mpd_closeConnection + * use this to close a connection and free'ing subsequent memory + *\/ + void mpd_closeConnection(mpd_Connection * connection); + +\/* mpd_clearError + * clears error + *\/ + void mpd_clearError(mpd_Connection * connection); + +\/* STATUS STUFF *\/ + +\/* use these with status.state to determine what state the player is in *\/ +#define MPD_STATUS_STATE_UNKNOWN 0 +#define MPD_STATUS_STATE_STOP 1 +#define MPD_STATUS_STATE_PLAY 2 +#define MPD_STATUS_STATE_PAUSE 3 + +\/* us this with status.volume to determine if mpd has volume support *\/ +#define MPD_STATUS_NO_VOLUME -1 + +\/* mpd_Status + * holds info return from status command + *\/ + typedef struct mpd_Status { + \/* 0-100, or MPD_STATUS_NO_VOLUME when there is no volume support *\/ + int volume; + \/* 1 if repeat is on, 0 otherwise *\/ + int repeat; + \/* 1 if random is on, 0 otherwise *\/ + int random; + \/* playlist length *\/ + int playlistLength; + \/* playlist, use this to determine when the playlist has changed *\/ + long long playlist; + \/* use with MPD_STATUS_STATE_* to determine state of player *\/ + int state; + \/* crossfade setting in seconds *\/ + int crossfade; + \/* if a song is currently selected (always the case when state is + * PLAY or PAUSE), this is the position of the currently + * playing song in the playlist, beginning with 0 + *\/ + int song; + \/* Song ID of the currently selected song *\/ + int songid; + \/* time in seconds that have elapsed in the currently playing\/paused + * song + *\/ + int elapsedTime; + \/* length in seconds of the currently playing\/paused song *\/ + int totalTime; + \/* current bit rate in kbs *\/ + int bitRate; + \/* audio sample rate *\/ + unsigned int sampleRate; + \/* audio bits *\/ + int bits; + \/* audio channels *\/ + int channels; + \/* 1 if mpd is updating, 0 otherwise *\/ + int updatingDb; + \/* error *\/ + char *error; + } mpd_Status; + + void mpd_sendStatusCommand(mpd_Connection * connection); + +\/* mpd_getStatus + * returns status info, be sure to free it with mpd_freeStatus() + * call this after mpd_sendStatusCommand() + *\/ + mpd_Status *mpd_getStatus(mpd_Connection * connection); + +\/* mpd_freeStatus + * free's status info malloc'd and returned by mpd_getStatus + *\/ + void mpd_freeStatus(mpd_Status * status); + + typedef struct _mpd_Stats { + int numberOfArtists; + int numberOfAlbums; + int numberOfSongs; + unsigned long uptime; + unsigned long dbUpdateTime; + unsigned long playTime; + unsigned long dbPlayTime; + } mpd_Stats; + + typedef struct _mpd_SearchStats { + int numberOfSongs; + unsigned long playTime; + } mpd_SearchStats; + + void mpd_sendStatsCommand(mpd_Connection * connection); + + mpd_Stats *mpd_getStats(mpd_Connection * connection); + + void mpd_freeStats(mpd_Stats * stats); + + mpd_SearchStats *mpd_getSearchStats(mpd_Connection * connection); + + void mpd_freeSearchStats(mpd_SearchStats * stats); + +\/* SONG STUFF *\/ + +#define MPD_SONG_NO_TIME -1 +#define MPD_SONG_NO_NUM -1 +#define MPD_SONG_NO_ID -1 + +\/* mpd_Song + * for storing song info returned by mpd + *\/ + typedef struct _mpd_Song { + \/* filename of song *\/ + char *file; + \/* artist, maybe NULL if there is no tag *\/ + char *artist; + \/* title, maybe NULL if there is no tag *\/ + char *title; + \/* album, maybe NULL if there is no tag *\/ + char *album; + \/* track, maybe NULL if there is no tag *\/ + char *track; + \/* name, maybe NULL if there is no tag; it's the name of the current + * song, f.e. the icyName of the stream *\/ + char *name; + \/* date *\/ + char *date; + + \/* added by qball *\/ + \/* Genre *\/ + char *genre; + \/* Composer *\/ + char *composer; + \/* Performer *\/ + char *performer; + \/* Disc *\/ + char *disc; + \/* Comment *\/ + char *comment; + + \/* length of song in seconds, check that it is not MPD_SONG_NO_TIME *\/ + int time; + \/* if plchanges\/playlistinfo\/playlistid used, is the position of the + * song in the playlist *\/ + int pos; + \/* song id for a song in the playlist *\/ + int id; + } mpd_Song; + +\/* mpd_newSong + * use to allocate memory for a new mpd_Song + * file, artist, etc all initialized to NULL + * if your going to assign values to file, artist, etc + * be sure to malloc or strdup the memory + * use mpd_freeSong to free the memory for the mpd_Song, it will also + * free memory for file, artist, etc, so don't do it yourself + *\/ + mpd_Song *mpd_newSong(void); + +\/* mpd_freeSong + * use to free memory allocated by mpd_newSong + * also it will free memory pointed to by file, artist, etc, so be careful + *\/ + void mpd_freeSong(mpd_Song * song); + +\/* mpd_songDup + * works like strDup, but for a mpd_Song + *\/ + mpd_Song *mpd_songDup(mpd_Song * song); + +\/* DIRECTORY STUFF *\/ + +\/* mpd_Directory + * used to store info fro directory (right now that just the path) + *\/ + typedef struct _mpd_Directory { + char *path; + } mpd_Directory; + +\/* mpd_newDirectory + * allocates memory for a new directory + * use mpd_freeDirectory to free this memory + *\/ + mpd_Directory *mpd_newDirectory(void); + +\/* mpd_freeDirectory + * used to free memory allocated with mpd_newDirectory, and it frees + * path of mpd_Directory, so be careful + *\/ + void mpd_freeDirectory(mpd_Directory * directory); + +\/* mpd_directoryDup + * works like strdup, but for mpd_Directory + *\/ + mpd_Directory *mpd_directoryDup(mpd_Directory * directory); + +\/* PLAYLISTFILE STUFF *\/ + +\/* mpd_PlaylistFile + * stores info about playlist file returned by lsinfo + *\/ + typedef struct _mpd_PlaylistFile { + char *path; + } mpd_PlaylistFile; + +\/* mpd_newPlaylistFile + * allocates memory for new mpd_PlaylistFile, path is set to NULL + * free this memory with mpd_freePlaylistFile + *\/ + mpd_PlaylistFile *mpd_newPlaylistFile(void); + +\/* mpd_freePlaylist + * free memory allocated for freePlaylistFile, will also free + * path, so be careful + *\/ + void mpd_freePlaylistFile(mpd_PlaylistFile * playlist); + +\/* mpd_playlistFileDup + * works like strdup, but for mpd_PlaylistFile + *\/ + mpd_PlaylistFile *mpd_playlistFileDup(mpd_PlaylistFile * playlist); + +\/* INFO ENTITY STUFF *\/ + +\/* the type of entity returned from one of the commands that generates info + * use in conjunction with mpd_InfoEntity.type + *\/ +#define MPD_INFO_ENTITY_TYPE_DIRECTORY 0 +#define MPD_INFO_ENTITY_TYPE_SONG 1 +#define MPD_INFO_ENTITY_TYPE_PLAYLISTFILE 2 + +\/* mpd_InfoEntity + * stores info on stuff returned info commands + *\/ + typedef struct mpd_InfoEntity { + \/* the type of entity, use with MPD_INFO_ENTITY_TYPE_* to determine + * what this entity is (song, directory, etc...) + *\/ + int type; + \/* the actual data you want, mpd_Song, mpd_Directory, etc *\/ + union { + mpd_Directory *directory; + mpd_Song *song; + mpd_PlaylistFile *playlistFile; + } info; + } mpd_InfoEntity; + + mpd_InfoEntity *mpd_newInfoEntity(void); + + void mpd_freeInfoEntity(mpd_InfoEntity * entity); + +\/* INFO COMMANDS AND STUFF *\/ + +\/* use this function to loop over after calling Info\/Listall functions *\/ + mpd_InfoEntity *mpd_getNextInfoEntity(mpd_Connection * connection); + +\/* fetches the currently seeletect song (the song referenced by status->song + * and status->songid*\/ + void mpd_sendCurrentSongCommand(mpd_Connection * connection); + +\/* songNum of -1, means to display the whole list *\/ + void mpd_sendPlaylistInfoCommand(mpd_Connection * connection, int songNum); + +\/* songId of -1, means to display the whole list *\/ + void mpd_sendPlaylistIdCommand(mpd_Connection * connection, int songId); + +\/* use this to get the changes in the playlist since version _playlist_ *\/ + void mpd_sendPlChangesCommand(mpd_Connection * connection, long long playlist); + +\/** + * @param connection: A valid and connected mpd_Connection. + * @param playlist: The playlist version you want the diff with. + * A more bandwidth efficient version of the mpd_sendPlChangesCommand. + * It only returns the pos+id of the changes song. + *\/ + void mpd_sendPlChangesPosIdCommand(mpd_Connection * connection, long long playlist); + +\/* recursivel fetches all songs\/dir\/playlists in "dir* (no metadata is + * returned) *\/ + void mpd_sendListallCommand(mpd_Connection * connection, const char *dir); + +\/* same as sendListallCommand, but also metadata is returned *\/ + void mpd_sendListallInfoCommand(mpd_Connection * connection, const char *dir); + +\/* non-recursive version of ListallInfo *\/ + void mpd_sendLsInfoCommand(mpd_Connection * connection, const char *dir); + +#define MPD_TABLE_ARTIST MPD_TAG_ITEM_ARTIST +#define MPD_TABLE_ALBUM MPD_TAG_ITEM_ALBUM +#define MPD_TABLE_TITLE MPD_TAG_ITEM_TITLE +#define MPD_TABLE_FILENAME MPD_TAG_ITEM_FILENAME + + void mpd_sendSearchCommand(mpd_Connection * connection, int table, const char *str); + + void mpd_sendFindCommand(mpd_Connection * connection, int table, const char *str); + +\/* LIST TAG COMMANDS *\/ + +\/* use this function fetch next artist entry, be sure to free the returned + * string. NULL means there are no more. Best used with sendListArtists + *\/ + char *mpd_getNextArtist(mpd_Connection * connection); + + char *mpd_getNextAlbum(mpd_Connection * connection); + + char *mpd_getNextTag(mpd_Connection * connection, int type); + +\/* list artist or albums by artist, arg1 should be set to the artist if + * listing albums by a artist, otherwise NULL for listing all artists or albums + *\/ + void mpd_sendListCommand(mpd_Connection * connection, int table, const char *arg1); + +\/* SIMPLE COMMANDS *\/ + + void mpd_sendAddCommand(mpd_Connection * connection, const char *file); + + int mpd_sendAddIdCommand(mpd_Connection * connection, const char *file); + + void mpd_sendDeleteCommand(mpd_Connection * connection, int songNum); + + void mpd_sendDeleteIdCommand(mpd_Connection * connection, int songNum); + + void mpd_sendSaveCommand(mpd_Connection * connection, const char *name); + + void mpd_sendLoadCommand(mpd_Connection * connection, const char *name); + + void mpd_sendRmCommand(mpd_Connection * connection, const char *name); + + void mpd_sendRenameCommand(mpd_Connection * connection, const char *from, const char *to); + + void mpd_sendShuffleCommand(mpd_Connection * connection); + + void mpd_sendClearCommand(mpd_Connection * connection); + +\/* use this to start playing at the beginning, useful when in random mode *\/ +#define MPD_PLAY_AT_BEGINNING -1 + + void mpd_sendPlayCommand(mpd_Connection * connection, int songNum); + + void mpd_sendPlayIdCommand(mpd_Connection * connection, int songNum); + + void mpd_sendStopCommand(mpd_Connection * connection); + + void mpd_sendPauseCommand(mpd_Connection * connection, int pauseMode); + + void mpd_sendNextCommand(mpd_Connection * connection); + + void mpd_sendPrevCommand(mpd_Connection * connection); + + void mpd_sendMoveCommand(mpd_Connection * connection, int from, int to); + + void mpd_sendMoveIdCommand(mpd_Connection * connection, int from, int to); + + void mpd_sendSwapCommand(mpd_Connection * connection, int song1, int song2); + + void mpd_sendSwapIdCommand(mpd_Connection * connection, int song1, int song2); + + void mpd_sendSeekCommand(mpd_Connection * connection, int song, int time); + + void mpd_sendSeekIdCommand(mpd_Connection * connection, int song, int time); + + void mpd_sendRepeatCommand(mpd_Connection * connection, int repeatMode); + + void mpd_sendRandomCommand(mpd_Connection * connection, int randomMode); + + void mpd_sendSetvolCommand(mpd_Connection * connection, int volumeChange); + +\/* WARNING: don't use volume command, its depreacted *\/ + void mpd_sendVolumeCommand(mpd_Connection * connection, int volumeChange); + + void mpd_sendCrossfadeCommand(mpd_Connection * connection, int seconds); + + void mpd_sendUpdateCommand(mpd_Connection * connection, char *path); + +\/* returns the update job id, call this after a update command*\/ + int mpd_getUpdateId(mpd_Connection * connection); + + void mpd_sendPasswordCommand(mpd_Connection * connection, const char *pass); + +\/* after executing a command, when your done with it to get its status + * (you want to check connection->error for an error) + *\/ + void mpd_finishCommand(mpd_Connection * connection); + +\/* command list stuff, use this to do things like add files very quickly *\/ + void mpd_sendCommandListBegin(mpd_Connection * connection); + + void mpd_sendCommandListOkBegin(mpd_Connection * connection); + + void mpd_sendCommandListEnd(mpd_Connection * connection); + +\/* advance to the next listOk + * returns 0 if advanced to the next list_OK, + * returns -1 if it advanced to an OK or ACK *\/ + int mpd_nextListOkCommand(mpd_Connection * connection); + + typedef struct _mpd_OutputEntity { + int id; + char *name; + int enabled; + } mpd_OutputEntity; + + void mpd_sendOutputsCommand(mpd_Connection * connection); + + mpd_OutputEntity *mpd_getNextOutput(mpd_Connection * connection); + + void mpd_sendEnableOutputCommand(mpd_Connection * connection, int outputId); + + void mpd_sendDisableOutputCommand(mpd_Connection * connection, int outputId); + + void mpd_freeOutputElement(mpd_OutputEntity * output); + +\/** + * @param connection a #mpd_Connection + * + * Queries mpd for the allowed commands + *\/ + void mpd_sendCommandsCommand(mpd_Connection * connection); + +\/** + * @param connection a #mpd_Connection + * + * Queries mpd for the not allowed commands + *\/ + void mpd_sendNotCommandsCommand(mpd_Connection * connection); + +\/** + * @param connection a #mpd_Connection + * + * returns the next supported command. + * + * @returns a string, needs to be free'ed + *\/ + char *mpd_getNextCommand(mpd_Connection * connection); + + void mpd_sendUrlHandlersCommand(mpd_Connection * connection); + + char *mpd_getNextHandler(mpd_Connection * connection); + + void mpd_sendTagTypesCommand(mpd_Connection * connection); + + char *mpd_getNextTagType(mpd_Connection * connection); + +\/** + * @param connection a MpdConnection + * @param path the path to the playlist. + * + * List the content, with full metadata, of a stored playlist. + * + *\/ + void mpd_sendListPlaylistInfoCommand(mpd_Connection * connection, char *path); + +\/** + * @param connection a MpdConnection + * @param path the path to the playlist. + * + * List the content of a stored playlist. + * + *\/ + void mpd_sendListPlaylistCommand(mpd_Connection * connection, char *path); + +\/** + * @param connection a #mpd_Connection + * @param exact if to match exact + * + * starts a search, use mpd_addConstraintSearch to add + * a constraint to the search, and mpd_commitSearch to do the actual search + *\/ + void mpd_startSearch(mpd_Connection * connection, int exact); + +\/** + * @param connection a #mpd_Connection + * @param type + * @param name + *\/ + void mpd_addConstraintSearch(mpd_Connection * connection, int type, const char *name); + +\/** + * @param connection a #mpd_Connection + *\/ + void mpd_commitSearch(mpd_Connection * connection); + +\/** + * @param connection a #mpd_Connection + * @param type The type to search for + * + * starts a search for fields... f.e. get a list of artists would be: + * @code + * mpd_startFieldSearch(connection, MPD_TAG_ITEM_ARTIST); + * mpd_commitSearch(connection); + * @endcode + * + * or get a list of artist in genre "jazz" would be: + * @code + * mpd_startFieldSearch(connection, MPD_TAG_ITEM_ARTIST); + * mpd_addConstraintSearch(connection, MPD_TAG_ITEM_GENRE, "jazz") + * mpd_commitSearch(connection); + * @endcode + * + * mpd_startSearch will return a list of songs (and you need mpd_getNextInfoEntity) + * this one will return a list of only one field (the one specified with type) and you need + * mpd_getNextTag to get the results + *\/ + void mpd_startFieldSearch(mpd_Connection * connection, int type); + + void mpd_startPlaylistSearch(mpd_Connection * connection, int exact); + + void mpd_startStatsSearch(mpd_Connection * connection); + + void mpd_sendPlaylistClearCommand(mpd_Connection * connection, char *path); + + void mpd_sendPlaylistAddCommand(mpd_Connection * connection, char *playlist, char *path); + + void mpd_sendPlaylistMoveCommand(mpd_Connection * connection, char *playlist, int from, int to); + + void mpd_sendPlaylistDeleteCommand(mpd_Connection * connection, char *playlist, int pos); +#ifdef __cplusplus +} +#endif +#endif

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