X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=stat.c;h=0457a0f3dc689139179f9a5495e110b6a260f8f3;hp=ed63ec36b36ff89b5dfc0767ddb6720a6b4a45bb;hb=73f02f72cb49baebff3e0f6946750a5bc0693321;hpb=e1a71def2832a108ed081b4ad8981cc94e8a1412 diff --git a/stat.c b/stat.c index ed63ec36..0457a0f3 100644 --- a/stat.c +++ b/stat.c @@ -5,8 +5,8 @@ */ /** - * \file stat.c functions used for sending/receiving the status of para_server - * and para_audiod + * \file stat.c Functions used for sending/receiving the status of para_server + * and para_audiod. */ @@ -20,11 +20,11 @@ #include "string.h" #include "fd.h" -/** the maximal number of simultaneous connections */ +/** The maximal number of simultaneous connections. */ #define MAX_STAT_CLIENTS 50 /** - * describes a status client of para_audiod + * Describes a status client of para_audiod. * * There's one such structure per audiod client that sent the 'stat' command. * @@ -32,11 +32,11 @@ * keeps a list of connected status clients. */ struct stat_client { - /** the stat client's file descriptor */ + /** The stat client's file descriptor. */ int fd; - /** bitmask of those status items the client is interested in */ + /** Bitmask of those status items the client is interested in. */ long unsigned item_mask; - /** its entry in the list of stat clients */ + /** Its entry in the list of stat clients. */ struct list_head node; }; @@ -44,43 +44,8 @@ static struct list_head client_list; static int initialized; static int num_clients; -/** The list of all status items used by para_server/para_audiod. */ -const char *status_item_list[NUM_STAT_ITEMS] = { - [SI_BASENAME] = "basename", - [SI_STATUS] = "status", - [SI_NUM_PLAYED] = "num_played", - - [SI_MTIME] = "mtime", - [SI_LENGTH_MIN] = "length_min", - [SI_LENGTH_SEC] = "length_sec", - - [SI_FILE_SIZE] = "file_size", - [SI_STATUS_FLAGS] = "status_flags", - [SI_FORMAT] = "format", - - [SI_SCORE] = "score", - [SI_AUDIO_INFO1] = "audio_file_info1", - [SI_AUDIO_INFO2] = "audio_file_info2", - - [SI_AUDIO_INFO3] = "audio_file_info3", - [SI_AFS_MODE] = "afs_mode", - [SI_ATTRIBUTES] = "attributes", - - [SI_DBINFO3] = "dbinfo3", - [SI_DECODER_FLAGS] = "decoder_flags", - [SI_AUDIOD_STATUS] = "audiod_status", - - [SI_PLAY_TIME] = "play_time", - [SI_UPTIME] = "uptime", - [SI_OFFSET] = "offset", - - [SI_LENGTH] = "length", - [SI_STREAM_START] = "stream_start", - [SI_CURRENT_TIME] = "current_time", - - [SI_AUDIOD_UPTIME] = "audiod_uptime", - [SI_SELECTOR] = "dbtool" -}; +/** The list of all status items used by para_{server,audiod,gui}. */ +const char *status_item_list[] = {STATUS_ITEM_ARRAY}; static void dump_stat_client_list(void) { @@ -92,10 +57,10 @@ static void dump_stat_client_list(void) PARA_INFO_LOG("stat client on fd %d\n", sc->fd); } /** - * add a status client to the list + * Add a status client to the list. * - * \param fd the file descriptor of the client - * \param mask bitfield of status items for this client + * \param fd The file descriptor of the client. + * \param mask Bitfield of status items for this client. * * Only those status items having the bit set in \a mask will be * sent to the client. @@ -126,10 +91,10 @@ int stat_client_add(int fd, long unsigned mask) return 1; } /** - * write a message to all connected status clients + * Write a message to all connected status clients. * - * \param msg a \p NULL terminated buffer - * \param itemnum The number of the status item of \a msg + * \param msg A \p NULL terminated buffer. + * \param itemnum The number of the status item of \a msg. * * On write errors, remove the status client from the client list and close its * file descriptor. @@ -138,24 +103,18 @@ void stat_client_write(const char *msg, int itemnum) { struct stat_client *sc, *tmp; size_t len = strlen(msg); - struct timeval tv = {0 , 0}; if (!initialized || !len) return; list_for_each_entry_safe(sc, tmp, &client_list, node) { int fd = sc->fd, ret; - fd_set wfds; if (!((1 << itemnum) & sc->item_mask)) continue; - FD_ZERO(&wfds); - FD_SET(fd, &wfds); -// PARA_DEBUG_LOG("%s: p=%lx\n", __func__, (long)p); - ret = para_select(fd + 1, NULL, &wfds, &tv); - if (ret > 0) { + if (write_ok(fd) > 0) { ret = write(fd, msg, len); PARA_DEBUG_LOG("dumped %s to fd %d, ret = %d\n", msg, fd, ret); - if (ret == len ) + if (ret == len) continue; } /* write error or fd not ready for writing */ @@ -170,9 +129,9 @@ void stat_client_write(const char *msg, int itemnum) } /** - * check if string is a known status item. + * Check if string is a known status item. * - * \param item buffer containing the text to check + * \param item Buffer containing the text to check. * * \return If \a item is a valid status item, the number of that status item is * returned. Otherwise, this function returns \p -E_UNKNOWN_STAT_ITEM. @@ -184,7 +143,7 @@ int stat_item_valid(const char *item) PARA_ERROR_LOG("%s\n", "no item"); return -E_UNKNOWN_STAT_ITEM; } - FOR_EACH_STAT_ITEM(i) + FOR_EACH_STATUS_ITEM(i) if (!strcmp(status_item_list[i], item)) return i; PARA_ERROR_LOG("invalid stat item: %s\n", item); @@ -192,9 +151,9 @@ int stat_item_valid(const char *item) } /** - * check if line starts with known status item. + * Check if line starts with known status item. * - * \param line buffer containing the line + * \param line Buffer containing the line. * * \return If the beginning of \a line matches any paraslash status item and is * followed by a colon, the number of that status item is returned. Otherwise, @@ -208,7 +167,7 @@ int stat_line_valid(const char *line) if (!line || !*line) return -E_UNKNOWN_STAT_ITEM; line_len = strlen(line); - FOR_EACH_STAT_ITEM(i) { + FOR_EACH_STATUS_ITEM(i) { const char *s = status_item_list[i]; size_t item_len = strlen(s);