* \file stat.c functions used for sending/receiving the status of para_server
* and para_audiod
*/
+
+
+#include <sys/types.h>
+#include <dirent.h>
+
#include "para.h"
#include "close_on_fork.h"
#include "list.h"
static int initialized;
static int num_clients;
-/**
- * the list of all status items sent by para_server/para_audiod
- */
-const char *status_item_list[NUM_STAT_ITEMS] = {
- [SI_STATUS_BAR] = "status_bar",
- [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_DBINFO1] = "dbinfo1",
- [SI_DBINFO2] = "dbinfo2",
-
- [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)
{
PARA_DEBUG_LOG("%d client(s)\n", num_clients);
}
-
/**
* check if string is a known status item.
*
{
int i;
if (!item || !*item) {
- PARA_ERROR_LOG("%s\n", "no 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);
return -E_UNKNOWN_STAT_ITEM;
}
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);
return -E_UNKNOWN_STAT_ITEM;
}
-/**
- * call a custom function for each complete line
- *
- * \param buf the buffer containing data seperated by newlines
- * \param n the number of bytes in \a buf
- * \param line_handler the custom function
- *
- * If \a line_handler is \p NULL, return number of complete lines in buf.
- * Otherwise, call \a line_handler for each complete line. The rest of the
- * buffer (last chunk containing incomplete line is moved to the beginning of
- * the buffer.
- *
- * \return If line_handler is not NULL, this function returns the number
- * of bytes not handled to \a line_handler.
- */
-size_t for_each_line(char *buf, size_t n, void (*line_handler)(char *))
-{
- char *start = buf, *end;
- size_t num_lines = 0, bytes_left = n;
-
-// PARA_INFO_LOG("buf: %s", buf);
- while (bytes_left) {
- char *next_null;
- char *next_cr;
-
- next_cr = memchr(start, '\n', bytes_left);
- next_null = memchr(start, '\0', bytes_left);
- if (!next_cr && !next_null)
- break;
- if (next_cr && next_null) {
- end = next_cr < next_null? next_cr : next_null;
- } else if (next_null) {
- end = next_null;
- } else
- end = next_cr;
- num_lines++;
- if (line_handler) {
- *end = '\0';
-// PARA_INFO_LOG("calling line handler: %s\n", start);
- line_handler(start);
- }
- start = ++end;
- bytes_left = buf + n - start;
- }
- if (!line_handler)
- return num_lines;
- if (bytes_left && bytes_left != n)
- memmove(buf, start, bytes_left);
- return bytes_left;
-}
-