X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=audiod_command.c;h=1ffab87c0fbd5269d6da52b05428dc44132dd922;hp=b49d659e0ac0bd784b2002b941b3471540ee5ac9;hb=d87806284b9f6be9aab71ccbf0280d273b57eeb3;hpb=5cb5db1fbf8f9b96c3b5a1e0cc7de9e710757540 diff --git a/audiod_command.c b/audiod_command.c index b49d659e..1ffab87c 100644 --- a/audiod_command.c +++ b/audiod_command.c @@ -6,8 +6,13 @@ /** \file audiod_command.c Commands for para_audiod. */ +#include +#include #include #include +#include +#include +#include #include "para.h" #include "audiod.cmdline.h" @@ -30,7 +35,7 @@ extern struct sched sched; extern char *stat_item_values[NUM_STAT_ITEMS]; -struct audiod_command audiod_cmds[] = {DEFINE_AUDIOD_CMD_ARRAY}; +static struct audiod_command audiod_cmds[] = {DEFINE_AUDIOD_CMD_ARRAY}; /** Iterate over the array of all audiod commands. */ #define FOR_EACH_COMMAND(c) for (c = 0; audiod_cmds[c].name; c++) @@ -109,6 +114,31 @@ static int stat_client_add(int fd, uint64_t mask, int parser_friendly) num_clients++; return 1; } + +static void close_stat_client(struct stat_client *sc) +{ + PARA_INFO_LOG("closing client fd %d\n", sc->fd); + close(sc->fd); + list_del(&sc->node); + free(sc); + num_clients--; +} + +/** + * Empty the status clients list. + * + * This iterates over the list of connected status clients, closes each client + * file descriptor and frees the resources. + */ +void close_stat_clients(void) +{ + struct stat_client *sc, *tmp; + + list_for_each_entry_safe(sc, tmp, &client_list, node) + close_stat_client(sc); + assert(num_clients == 0); +} + /** * Write a message to all connected status clients. * @@ -127,7 +157,7 @@ void stat_client_write_item(int item_num) struct para_buffer *b; list_for_each_entry_safe(sc, tmp, &client_list, node) { - int fd = sc->fd, ret; + int ret; if (!((one << item_num) & sc->item_mask)) continue; @@ -135,15 +165,11 @@ void stat_client_write_item(int item_num) if (!b->buf) (void)WRITE_STATUS_ITEM(b, item_num, "%s\n", msg? msg : ""); - ret = write(fd, b->buf, b->offset); + ret = write(sc->fd, b->buf, b->offset); if (ret == b->offset) continue; /* write error or short write */ - close(fd); - num_clients--; - PARA_INFO_LOG("deleting client on fd %d\n", fd); - list_del(&sc->node); - free(sc); + close_stat_client(sc); dump_stat_client_list(); } free(pb.buf); @@ -320,7 +346,6 @@ static int com_stat(int fd, int argc, char **argv) if (!strncmp(arg, "-p", 2)) { parser_friendly = 1; b.flags = PBF_SIZE_PREFIX; - continue; } } if (i >= argc) @@ -466,8 +491,10 @@ out: /** * Send the current audiod status to all connected stat clients. + * + * \param force Whether to write unchanged items. */ -void audiod_status_dump(void) +void audiod_status_dump(bool force) { int slot_num = get_play_time_slot_num(); char *old, *new; @@ -475,7 +502,7 @@ void audiod_status_dump(void) old = stat_item_values[SI_PLAY_TIME]; new = get_time_string(slot_num); if (new) { - if (!old || strcmp(old, new)) { + if (force || !old || strcmp(old, new)) { free(old); stat_item_values[SI_PLAY_TIME] = new; stat_client_write_item(SI_PLAY_TIME); @@ -485,7 +512,7 @@ void audiod_status_dump(void) new = get_server_uptime_str(now); old = stat_item_values[SI_AUDIOD_UPTIME]; - if (!old || strcmp(old, new)) { + if (force || !old || strcmp(old, new)) { free(old); stat_item_values[SI_AUDIOD_UPTIME] = new; stat_client_write_item(SI_AUDIOD_UPTIME); @@ -494,7 +521,7 @@ void audiod_status_dump(void) old = stat_item_values[SI_AUDIOD_STATUS]; new = audiod_status_string(); - if (!old || strcmp(old, new)) { + if (force || !old || strcmp(old, new)) { free(old); stat_item_values[SI_AUDIOD_STATUS] = new; stat_client_write_item(SI_AUDIOD_STATUS); @@ -503,7 +530,7 @@ void audiod_status_dump(void) old = stat_item_values[SI_DECODER_FLAGS]; new = decoder_flags(); - if (!old || strcmp(old, new)) { + if (force || !old || strcmp(old, new)) { free(old); stat_item_values[SI_DECODER_FLAGS] = new; stat_client_write_item(SI_DECODER_FLAGS);