diff options
Diffstat (limited to 'src/command.c')
| -rw-r--r-- | src/command.c | 201 |
1 files changed, 150 insertions, 51 deletions
diff --git a/src/command.c b/src/command.c index f61cb7630..5f2ad6eef 100644 --- a/src/command.c +++ b/src/command.c @@ -30,6 +30,7 @@ #include "conf.h" #include "permission.h" #include "audio.h" +#include "buffer2array.h" #include <stdlib.h> #include <string.h> @@ -86,17 +87,24 @@ #define COMMAND_STATUS_AUDIO "audio" #define COMMAND_STATUS_UPDATING_DB "updating_db" +typedef struct _CommandEntry CommandEntry; + typedef int (* CommandHandlerFunction)(FILE *, unsigned int *, int, char **); +typedef int (* CommandListHandlerFunction)(FILE *, unsigned int *, int, char **, + ListNode *, CommandEntry *); /* if min: -1 don't check args * * if max: -1 no max args */ -typedef struct _CommandEntry { +struct _CommandEntry { char * cmd; int min; int max; unsigned int reqPermission; CommandHandlerFunction handler; -} CommandEntry; + CommandListHandlerFunction listHandler; +}; + +CommandEntry * getCommandEntryFromString(char * string, int * permission); List * commandList; @@ -106,18 +114,21 @@ CommandEntry * newCommandEntry() { cmd->min = 0; cmd->max = 0; cmd->handler = NULL; + cmd->listHandler = NULL; cmd->reqPermission = 0; return cmd; } void addCommand(char * name, unsigned int reqPermission, int minargs, - int maxargs, CommandHandlerFunction handler_func) + int maxargs, CommandHandlerFunction handler_func, + CommandListHandlerFunction listHandler_func) { CommandEntry * cmd = newCommandEntry(); cmd->cmd = name; cmd->min = minargs; cmd->max = maxargs; cmd->handler = handler_func; + cmd->listHandler = listHandler_func; cmd->reqPermission = reqPermission; insertInList(commandList, cmd->cmd, cmd); @@ -320,10 +331,45 @@ int handleSearch(FILE * fp, unsigned int * permission, int argArrayLength, return searchForSongsIn(fp,NULL,argArray[1],argArray[2]); } +int listHandleUpdate(FILE * fp, unsigned int * permission, int argArrayLength, + char ** argArray, ListNode * commandNode, CommandEntry * cmd) +{ + static List * pathList = NULL; + CommandEntry * nextCmd = NULL; + ListNode * nextNode = commandNode->nextNode;; + + if(!pathList) pathList = makeList(NULL); + + if(argArrayLength==2) insertInList(pathList,argArray[1],NULL); + else insertInList(pathList,"",NULL); + + if(nextNode) { + nextCmd = getCommandEntryFromString((void *)nextNode->data, + permission); + } + + if(cmd!=nextCmd) { + int ret = updateInit(fp,pathList); + freeList(pathList); + pathList = NULL; + return ret; + } + + return 0; +} + int handleUpdate(FILE * fp, unsigned int * permission, int argArrayLength, char ** argArray) { - return updateInit(fp); + if(argArrayLength==2) { + int ret; + List * pathList = makeList(NULL); + insertInList(pathList,argArray[1],NULL); + ret = updateInit(fp,pathList); + freeList(pathList); + return ret; + } + return updateInit(fp,NULL); } int handleNext(FILE * fp, unsigned int * permission, int argArrayLength, @@ -538,42 +584,42 @@ int handleCrossfade(FILE * fp, unsigned int * permission, int argArrayLength, void initCommands() { commandList = makeList(free); - addCommand(COMMAND_PLAY ,PERMISSION_CONTROL, 0, 1,handlePlay); - addCommand(COMMAND_STOP ,PERMISSION_CONTROL, 0, 0,handleStop); - addCommand(COMMAND_PAUSE ,PERMISSION_CONTROL, 0, 1,handlePause); - addCommand(COMMAND_STATUS ,PERMISSION_READ, 0, 0,commandStatus); - addCommand(COMMAND_KILL ,PERMISSION_ADMIN, -1,-1,handleKill); - addCommand(COMMAND_CLOSE ,0, -1,-1,handleClose); - addCommand(COMMAND_ADD ,PERMISSION_ADD, 0, 1,handleAdd); - addCommand(COMMAND_DELETE ,PERMISSION_CONTROL, 1, 1,handleDelete); - addCommand(COMMAND_PLAYLIST ,PERMISSION_READ, 0, 0,handlePlaylist); - addCommand(COMMAND_SHUFFLE ,PERMISSION_CONTROL, 0, 0,handleShuffle); - addCommand(COMMAND_CLEAR ,PERMISSION_CONTROL, 0, 0,handleClear); - addCommand(COMMAND_SAVE ,PERMISSION_CONTROL, 1, 1,handleSave); - addCommand(COMMAND_LOAD ,PERMISSION_ADD, 1, 1,handleLoad); - addCommand(COMMAND_LSINFO ,PERMISSION_READ, 0, 1,handleLsInfo); - addCommand(COMMAND_RM ,PERMISSION_CONTROL, 1, 1,handleRm); - addCommand(COMMAND_PLAYLISTINFO,PERMISSION_READ, 0, 1,handlePlaylistInfo); - addCommand(COMMAND_FIND ,PERMISSION_READ, 2, 2,handleFind); - addCommand(COMMAND_SEARCH ,PERMISSION_READ, 2, 2,handleSearch); - addCommand(COMMAND_UPDATE ,PERMISSION_ADMIN, 0, 0,handleUpdate); - addCommand(COMMAND_NEXT ,PERMISSION_CONTROL, 0, 0,handleNext); - addCommand(COMMAND_PREVIOUS ,PERMISSION_CONTROL, 0, 0,handlePrevious); - addCommand(COMMAND_LISTALL ,PERMISSION_READ, 0, 1,handleListAll); - addCommand(COMMAND_VOLUME ,PERMISSION_CONTROL, 1, 1,handleVolume); - addCommand(COMMAND_REPEAT ,PERMISSION_CONTROL, 1, 1,handleRepeat); - addCommand(COMMAND_RANDOM ,PERMISSION_CONTROL, 1, 1,handleRandom); - addCommand(COMMAND_STATS ,PERMISSION_READ, 0, 0,handleStats); - addCommand(COMMAND_CLEAR_ERROR ,PERMISSION_CONTROL, 0, 0,handleClearError); - addCommand(COMMAND_LIST ,PERMISSION_READ, 1, 2,handleList); - addCommand(COMMAND_MOVE ,PERMISSION_CONTROL, 2, 2,handleMove); - addCommand(COMMAND_SWAP ,PERMISSION_CONTROL, 2, 2,handleSwap); - addCommand(COMMAND_SEEK ,PERMISSION_CONTROL, 2, 2,handleSeek); - addCommand(COMMAND_LISTALLINFO ,PERMISSION_READ, 0, 1,handleListAllInfo); - addCommand(COMMAND_PING ,0, 0, 0,handlePing); - addCommand(COMMAND_SETVOL ,PERMISSION_CONTROL, 1, 1,handleSetVol); - addCommand(COMMAND_PASSWORD ,0, 1, 1,handlePassword); - addCommand(COMMAND_CROSSFADE ,PERMISSION_CONTROL, 1, 1,handleCrossfade); + addCommand(COMMAND_PLAY ,PERMISSION_CONTROL, 0, 1,handlePlay,NULL); + addCommand(COMMAND_STOP ,PERMISSION_CONTROL, 0, 0,handleStop,NULL); + addCommand(COMMAND_PAUSE ,PERMISSION_CONTROL, 0, 1,handlePause,NULL); + addCommand(COMMAND_STATUS ,PERMISSION_READ, 0, 0,commandStatus,NULL); + addCommand(COMMAND_KILL ,PERMISSION_ADMIN, -1,-1,handleKill,NULL); + addCommand(COMMAND_CLOSE ,0, -1,-1,handleClose,NULL); + addCommand(COMMAND_ADD ,PERMISSION_ADD, 0, 1,handleAdd,NULL); + addCommand(COMMAND_DELETE ,PERMISSION_CONTROL, 1, 1,handleDelete,NULL); + addCommand(COMMAND_PLAYLIST ,PERMISSION_READ, 0, 0,handlePlaylist,NULL); + addCommand(COMMAND_SHUFFLE ,PERMISSION_CONTROL, 0, 0,handleShuffle,NULL); + addCommand(COMMAND_CLEAR ,PERMISSION_CONTROL, 0, 0,handleClear,NULL); + addCommand(COMMAND_SAVE ,PERMISSION_CONTROL, 1, 1,handleSave,NULL); + addCommand(COMMAND_LOAD ,PERMISSION_ADD, 1, 1,handleLoad,NULL); + addCommand(COMMAND_LSINFO ,PERMISSION_READ, 0, 1,handleLsInfo,NULL); + addCommand(COMMAND_RM ,PERMISSION_CONTROL, 1, 1,handleRm,NULL); + addCommand(COMMAND_PLAYLISTINFO,PERMISSION_READ, 0, 1,handlePlaylistInfo,NULL); + addCommand(COMMAND_FIND ,PERMISSION_READ, 2, 2,handleFind,NULL); + addCommand(COMMAND_SEARCH ,PERMISSION_READ, 2, 2,handleSearch,NULL); + addCommand(COMMAND_UPDATE ,PERMISSION_ADMIN, 0, 1,handleUpdate,listHandleUpdate); + addCommand(COMMAND_NEXT ,PERMISSION_CONTROL, 0, 0,handleNext,NULL); + addCommand(COMMAND_PREVIOUS ,PERMISSION_CONTROL, 0, 0,handlePrevious,NULL); + addCommand(COMMAND_LISTALL ,PERMISSION_READ, 0, 1,handleListAll,NULL); + addCommand(COMMAND_VOLUME ,PERMISSION_CONTROL, 1, 1,handleVolume,NULL); + addCommand(COMMAND_REPEAT ,PERMISSION_CONTROL, 1, 1,handleRepeat,NULL); + addCommand(COMMAND_RANDOM ,PERMISSION_CONTROL, 1, 1,handleRandom,NULL); + addCommand(COMMAND_STATS ,PERMISSION_READ, 0, 0,handleStats,NULL); + addCommand(COMMAND_CLEAR_ERROR ,PERMISSION_CONTROL, 0, 0,handleClearError,NULL); + addCommand(COMMAND_LIST ,PERMISSION_READ, 1, 2,handleList,NULL); + addCommand(COMMAND_MOVE ,PERMISSION_CONTROL, 2, 2,handleMove,NULL); + addCommand(COMMAND_SWAP ,PERMISSION_CONTROL, 2, 2,handleSwap,NULL); + addCommand(COMMAND_SEEK ,PERMISSION_CONTROL, 2, 2,handleSeek,NULL); + addCommand(COMMAND_LISTALLINFO ,PERMISSION_READ, 0, 1,handleListAllInfo,NULL); + addCommand(COMMAND_PING ,0, 0, 0,handlePing,NULL); + addCommand(COMMAND_SETVOL ,PERMISSION_CONTROL, 1, 1,handleSetVol,NULL); + addCommand(COMMAND_PASSWORD ,0, 1, 1,handlePassword,NULL); + addCommand(COMMAND_CROSSFADE ,PERMISSION_CONTROL, 1, 1,handleCrossfade,NULL); sortList(commandList); } @@ -589,45 +635,98 @@ int checkArgcAndPermission(CommandEntry * cmd, FILE *fp, int max = cmd->max + 1; if (cmd->reqPermission != (permission & cmd->reqPermission)) { - myfprintf(fp,"%s You don't have permission for \"%s\"\n",COMMAND_RESPOND_ERROR,cmd->cmd); + if(fp) { + myfprintf(fp,"%s You don't have permission for " + "\"%s\"\n",COMMAND_RESPOND_ERROR, + cmd->cmd); + } return -1; } if (min == 0) return 0; if (min == max && max != argc) { - myfprintf(fp,"%s Wrong number of arguments for \"%s\"\n",COMMAND_RESPOND_ERROR,argArray[0]); + if(fp) { + myfprintf(fp,"%s Wrong number of arguments for " + "\"%s\"\n",COMMAND_RESPOND_ERROR, + argArray[0]); + } return -1; } else if (argc < min) { - myfprintf(fp,"%s too few arguments for \"%s\"\n",COMMAND_RESPOND_ERROR,argArray[0]); + if(fp) { + myfprintf(fp,"%s too few arguments for \"%s\"\n", + COMMAND_RESPOND_ERROR,argArray[0]); + } return -1; } else if (argc > max && max /* != 0 */) { - myfprintf(fp,"%s too many arguments for \"%s\"\n",COMMAND_RESPOND_ERROR,argArray[0]); + if(fp) { + myfprintf(fp,"%s too many arguments for \"%s\"\n", + COMMAND_RESPOND_ERROR,argArray[0]); + } return -1; } else return 0; } -int processCommand(FILE * fp, unsigned int * permission, int argArrayLength, - char ** argArray) +CommandEntry * getCommandEntryAndCheckArgcAndPermission(FILE * fp, + unsigned int * permission, int argArrayLength, char ** argArray) { CommandEntry * cmd; - if(argArrayLength == 0) return 0; + if(argArrayLength == 0) return NULL; if(!findInList(commandList, argArray[0],(void *)&cmd)) { - myfprintf(fp,"%s Unknown command \"%s\"\n",COMMAND_RESPOND_ERROR, - argArray[0]); - return -1; + if(fp) { + myfprintf(fp,"%s Unknown command \"%s\"\n", + COMMAND_RESPOND_ERROR,argArray[0]); + } + return NULL; } if(checkArgcAndPermission(cmd, fp, *permission, argArrayLength, argArray) < 0) { + return NULL; + } + + return cmd; +} + +CommandEntry * getCommandEntryFromString(char * string, int * permission) { + CommandEntry * cmd = NULL; + char ** argArray; + int argArrayLength = buffer2array(string,&argArray); + + if(0==argArrayLength) return NULL; + + cmd = getCommandEntryAndCheckArgcAndPermission(NULL,permission, + argArrayLength,argArray); + freeArgArray(argArray,argArrayLength); + + return cmd; +} + +int processCommand(FILE * fp, unsigned int * permission, int argArrayLength, + char ** argArray, ListNode * commandNode) +{ + CommandEntry * cmd; + + if(argArrayLength == 0) return 0; + + if(NULL==(cmd = getCommandEntryAndCheckArgcAndPermission(fp,permission, + argArrayLength,argArray))) + { return -1; } - return cmd->handler(fp, permission, argArrayLength, argArray); + if(NULL==commandNode || NULL==cmd->listHandler) { + return cmd->handler(fp, permission, argArrayLength, argArray); + } + else { + return cmd->listHandler(fp, permission, argArrayLength, + argArray, commandNode, cmd); + } } + |