diff options
Diffstat (limited to '')
-rw-r--r-- | src/command.c | 6 | ||||
-rw-r--r-- | src/interface.c | 241 |
2 files changed, 123 insertions, 124 deletions
diff --git a/src/command.c b/src/command.c index 66ac072c5..637ef838e 100644 --- a/src/command.c +++ b/src/command.c @@ -83,9 +83,9 @@ #define COMMAND_URL_HANDLERS "urlhandlers" #define COMMAND_PLCHANGES "plchanges" #define COMMAND_CURRENTSONG "currentsong" -#define COMMAND_ENABLE_DEV "enabledevice" -#define COMMAND_DISABLE_DEV "disabledevice" -#define COMMAND_DEVICES "devices" +#define COMMAND_ENABLE_DEV "enableoutput" +#define COMMAND_DISABLE_DEV "disableoutput" +#define COMMAND_DEVICES "outputs" #define COMMAND_COMMANDS "commands" #define COMMAND_STATUS_VOLUME "volume" diff --git a/src/interface.c b/src/interface.c index b9b8df5f6..56eebc5b5 100644 --- a/src/interface.c +++ b/src/interface.c @@ -62,8 +62,9 @@ static size_t interface_max_output_buffer_size = INTERFACE_MAX_OUTPUT_BUFFER_SIZE_DEFAULT; typedef struct _Interface { - char buffer[INTERFACE_MAX_BUFFER_LENGTH+2]; + char buffer[INTERFACE_MAX_BUFFER_LENGTH]; int bufferLength; + int bufferPos; int fd; /* file descriptor */ FILE * fp; /* file pointer */ int open; /* open/used */ @@ -94,6 +95,7 @@ void openInterface(Interface * interface, int fd) { assert(interface->open==0); interface->bufferLength = 0; + interface->bufferPos = 0; interface->fd = fd; /* fcntl(interface->fd,F_SETOWN,(int)getpid()); */ while((flags = fcntl(fd,F_GETFL))<0 && errno==EINTR); @@ -200,138 +202,135 @@ void openAInterface(int fd, struct sockaddr * addr) { } } -int interfaceReadInput(Interface * interface) { - blockSignals(); - if(read(interface->fd,interface->buffer+interface->bufferLength,1)>0) { - int ret = 1; - int bytesRead = 1; - while(bytesRead>0) { - interface->buffer[interface->bufferLength+1] = '\0'; - if(interface->buffer[interface->bufferLength]!='\r') { - interface->bufferLength++; - } - if(interface->bufferLength>=INTERFACE_MAX_BUFFER_LENGTH) { - break; - } - if(interface->buffer[interface->bufferLength-1]=='\n') { - break; - } - bytesRead = read(interface->fd,interface->buffer+ - interface->bufferLength,1); - } - unblockSignals(); - if(interface->bufferLength>=INTERFACE_MAX_BUFFER_LENGTH) { - ERROR("interface %i: buffer overflow\n", - interface->num); - closeInterface(interface); +static int proccessLineOfInput(Interface * interface) { + int ret = 1; + char * line = interface->buffer+interface->bufferPos; + + if(interface->bufferLength - interface->bufferPos > 1) { + if(interface->buffer[interface->bufferLength-2] == '\r') { + interface->buffer[interface->bufferLength-2] = '\0'; } - else if(interface->buffer[interface->bufferLength-1]=='\n') { - interface->buffer[interface->bufferLength-1] = '\0'; - interface->bufferLength = 0; + } - if(interface->commandList) { - if(strcmp(interface->buffer, - INTERFACE_LIST_MODE_END)==0) - { - DEBUG("interface %i: process command " - "list\n",interface->num); - ret = proccessListOfCommands( - interface->fp, - &(interface->permission), - &(interface->expired), - interface->commandListOK, - interface->commandList); - DEBUG("interface %i: process command " - "list returned %i\n", + if(interface->commandList) { + if(strcmp(line, INTERFACE_LIST_MODE_END)==0) { + DEBUG("interface %i: process command " + "list\n",interface->num); + ret = proccessListOfCommands( + interface->fp, + &(interface->permission), + &(interface->expired), + interface->commandListOK, + interface->commandList); + DEBUG("interface %i: process command " + "list returned %i\n", + interface->num, + ret); + if(ret==0) commandSuccess(interface->fp); + else if(ret==COMMAND_RETURN_CLOSE || interface->expired) + { + + closeInterface(interface); + } + printInterfaceOutBuffer(interface); + + freeList(interface->commandList); + interface->commandList = NULL; + } + else { + interface->commandListSize+= sizeof(ListNode); + interface->commandListSize+= strlen(line)+1; + if(interface->commandListSize > + interface_max_command_list_size) + { + ERROR("interface %i: command " + "list size (%lli) is " + "larger than the max " + "(%lli)\n", interface->num, - ret); - if(ret==0) { - commandSuccess(interface->fp); - } - else if(ret==COMMAND_RETURN_CLOSE || - interface->expired) { - closeInterface(interface); - } - printInterfaceOutBuffer(interface); - - freeList(interface->commandList); - interface->commandList = NULL; - } - else { - interface->commandListSize+= - sizeof(ListNode); - interface->commandListSize+= - strlen(interface->buffer)+1; - if(interface->commandListSize > + interface-> + commandListSize, interface_max_command_list_size) - { - ERROR("interface %i: command " - "list size (%lli) is " - "larger than the max " - "(%lli)\n", - interface->num, - interface-> - commandListSize, - interface_max_command_list_size); - closeInterface(interface); - - } - else { - insertInListWithoutKey( - interface->commandList, - strdup(interface-> - buffer)); - } - } + ; + closeInterface(interface); } else { - if(strcmp(interface->buffer, - INTERFACE_LIST_MODE_BEGIN)==0) - { - interface->commandList = makeList(free, - 1); - interface->commandListSize = - sizeof(List); - interface->commandListOK = 0; - ret = 1; - } - else if(strcmp(interface->buffer, - INTERFACE_LIST_OK_MODE_BEGIN) - ==0) - { - interface->commandList = makeList(free, - 1); - interface->commandListSize = - sizeof(List); - interface->commandListOK = 1; - ret = 1; - } - else { - DEBUG("interface %i: process command \"%s\"\n",interface->num,interface->buffer); - ret = processCommand( - interface->fp, - &(interface-> - permission), - interface->buffer); - DEBUG("interface %i: command returned %i\n",interface->num,ret); - if(ret==0) { - commandSuccess(interface->fp); - } - else if(ret==COMMAND_RETURN_CLOSE || - interface->expired) { - closeInterface(interface); - } - printInterfaceOutBuffer(interface); - } + insertInListWithoutKey(interface->commandList, + strdup(line)); } } - return ret; } else { - unblockSignals(); - closeInterface(interface); + if(strcmp(line, INTERFACE_LIST_MODE_BEGIN) == 0) { + interface->commandList = makeList(free, 1); + interface->commandListSize = sizeof(List); + interface->commandListOK = 0; + ret = 1; + } + else if(strcmp(line, INTERFACE_LIST_OK_MODE_BEGIN) == 0) { + interface->commandList = makeList(free, 1); + interface->commandListSize = sizeof(List); + interface->commandListOK = 1; + ret = 1; + } + else { + DEBUG("interface %i: process command \"%s\"\n", + interface->num, line); + ret = processCommand(interface->fp, + &(interface->permission), + line); + DEBUG("interface %i: command returned %i\n", + interface->num, ret); + if(ret==0) commandSuccess(interface->fp); + else if(ret==COMMAND_RETURN_CLOSE || interface->expired) + { + closeInterface(interface); + } + printInterfaceOutBuffer(interface); + } } + return ret; +} + +static int processBytesRead(Interface * interface, int bytesRead) { + int ret = 1; + + while(bytesRead > 0) { + interface->bufferLength++; + bytesRead--; + if(interface->buffer[interface->bufferLength-1]=='\n') { + interface->buffer[interface->bufferLength-1] = '\0'; + ret = proccessLineOfInput(interface); + interface->bufferPos = interface->bufferLength; + } + if(interface->bufferLength==INTERFACE_MAX_BUFFER_LENGTH) + { + if(interface->bufferPos == 0) { + ERROR("interface %i: buffer overflow\n", + interface->num); + return 1; + } + interface->bufferLength-= interface->bufferPos; + memmove(interface->buffer, + interface->buffer+interface->bufferPos, + interface->bufferLength); + interface->bufferPos = 0; + } + } + + return 0; +} + +int interfaceReadInput(Interface * interface) { + int bytesRead = read(interface->fd, + interface->buffer+interface->bufferLength, + INTERFACE_MAX_BUFFER_LENGTH-interface->bufferLength+1); + + if(bytesRead > 0) return processBytesRead(interface, bytesRead); + else if(bytesRead == 0 && errno!=EINTR) closeInterface(interface); + else return 0; + return 1; } |