/*
- * Copyright (C) 1997-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 1997-2008 Andre Noll <maan@systemlinux.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file para.h global paraslash definitions */
#include <sys/socket.h>
#include <sys/un.h> /* needed by create_pf_socket */
#include <string.h>
+#include <assert.h>
#include "gcc-compat.h"
/** used in various contexts */
/** last message before exit */
#define EMERG 7
-/** log messages with lower proirity than that will not be compiled in*/
+/** Log messages with lower priority than that will not be compiled in. */
#define COMPILE_TIME_LOGLEVEL 0
+/** \cond */
#if DEBUG > COMPILE_TIME_LOGLEVEL
-#define PARA_DEBUG_LOG(f,...) para_log(DEBUG, "%s: " f, __FUNCTION__, __VA_ARGS__)
+#define PARA_DEBUG_LOG(f,...) para_log(DEBUG, "%s: " f, __FUNCTION__, ## __VA_ARGS__)
#else
#define PARA_DEBUG_LOG(...) do {;} while (0)
#endif
#if INFO > COMPILE_TIME_LOGLEVEL
-#define PARA_INFO_LOG(f,...) para_log(INFO, "%s: " f, __FUNCTION__, __VA_ARGS__)
+#define PARA_INFO_LOG(f,...) para_log(INFO, "%s: " f, __FUNCTION__, ## __VA_ARGS__)
#else
#define PARA_INFO_LOG(...) do {;} while (0)
#endif
#if NOTICE > COMPILE_TIME_LOGLEVEL
-#define PARA_NOTICE_LOG(f,...) para_log(NOTICE, "%s: " f, __FUNCTION__, __VA_ARGS__)
+#define PARA_NOTICE_LOG(f,...) para_log(NOTICE, "%s: " f, __FUNCTION__, ## __VA_ARGS__)
#else
#define PARA_NOTICE_LOG(...) do {;} while (0)
#endif
#if WARNING > COMPILE_TIME_LOGLEVEL
-#define PARA_WARNING_LOG(f,...) para_log(WARNING, "%s: " f, __FUNCTION__, __VA_ARGS__)
+#define PARA_WARNING_LOG(f,...) para_log(WARNING, "%s: " f, __FUNCTION__, ## __VA_ARGS__)
#else
#define PARA_WARNING_LOG(...) do {;} while (0)
#endif
#if ERROR > COMPILE_TIME_LOGLEVEL
-#define PARA_ERROR_LOG(f,...) para_log(ERROR, "%s: " f, __FUNCTION__, __VA_ARGS__)
+#define PARA_ERROR_LOG(f,...) para_log(ERROR, "%s: " f, __FUNCTION__, ## __VA_ARGS__)
#else
#define PARA_ERROR_LOG(...) do {;} while (0)
#endif
#if CRIT > COMPILE_TIME_LOGLEVEL
-#define PARA_CRIT_LOG(f,...) para_log(CRIT, "%s: " f, __FUNCTION__, __VA_ARGS__)
+#define PARA_CRIT_LOG(f,...) para_log(CRIT, "%s: " f, __FUNCTION__, ## __VA_ARGS__)
#else
#define PARA_CRIT_LOG(...) do {;} while (0)
#endif
#if EMERG > COMPILE_TIME_LOGLEVEL
-#define PARA_EMERG_LOG(f,...) para_log(EMERG, "%s: " f, __FUNCTION__, __VA_ARGS__)
+#define PARA_EMERG_LOG(f,...) para_log(EMERG, "%s: " f, __FUNCTION__, ## __VA_ARGS__)
#else
#define PARA_EMERG_LOG(...)
#endif
+/** \endcond */
/**
* define a standard log function that always writes to stderr
*
- * \param loglevel_barier If the loglevel of the current message
+ * \param loglevel_barrier If the loglevel of the current message
* is less than that, the message is going to be ignored.
*
*/
}
/** version text used by various commands if -V switch was given */
-#define VERSION_TEXT(prefix) "para_" prefix " " PACKAGE_VERSION "\n" \
- "Copyright (C) 2007 Andre Noll\n" \
+#define VERSION_TEXT(prefix) "para_" prefix " " PACKAGE_VERSION " (" CODENAME ")" "\n" \
+ "Copyright (C) 2008 Andre Noll\n" \
"This is free software with ABSOLUTELY NO WARRANTY." \
" See COPYING for details.\n" \
"Written by Andre Noll.\n" \
/** sent by para_client, followed by the decrypted challenge number */
#define CHALLENGE_RESPONSE_MSG "challenge_response:"
-/* gui_common */
-int para_open_audiod_pipe(char *);
-int read_audiod_pipe(int, void (*)(char *));
-
/* exec */
int para_exec_cmdline_pid(pid_t *pid, const char *cmdline, int *fds);
const long b, const struct timeval *tv2,
struct timeval *result);
void ms2tv(const long unsigned n, struct timeval *tv);
+void compute_chunk_time(long unsigned chunk_num,
+ struct timeval *chunk_tv, struct timeval *stream_start,
+ struct timeval *result);
-/* stat */
-enum {
- SI_STATUS_BAR, SI_STATUS, SI_NUM_PLAYED,
- SI_MTIME, SI_LENGTH_MIN, SI_LENGTH_SEC,
- SI_FILE_SIZE, SI_STATUS_FLAGS, SI_FORMAT,
- SI_SCORE, SI_AUDIO_INFO1, SI_AUDIO_INFO2,
- SI_AUDIO_INFO3, SI_DBINFO1, SI_DBINFO2,
- SI_DBINFO3, SI_DECODER_FLAGS, SI_AUDIOD_STATUS,
- SI_PLAY_TIME, SI_UPTIME, SI_OFFSET,
- SI_LENGTH, SI_STREAM_START, SI_CURRENT_TIME,
- SI_AUDIOD_UPTIME, SI_SELECTOR, NUM_STAT_ITEMS
-};
-
+/** The enum of all status items. */
+enum status_items {STATUS_ITEM_ENUM NUM_STAT_ITEMS};
+extern const char *status_item_list[];
+/** Loop over each status item. */
+#define FOR_EACH_STATUS_ITEM(i) for (i = 0; i < NUM_STAT_ITEMS; i++)
int stat_item_valid(const char *item);
int stat_line_valid(const char *);
-void stat_client_write(char *msg, int itemnum);
+void stat_client_write(const char *msg, int itemnum);
int stat_client_add(int fd, long unsigned mask);
-unsigned for_each_line(char *, int, void (*)(char *));
-#define FOR_EACH_STAT_ITEM(i) for (i = 0; i < NUM_STAT_ITEMS; i++)
__printf_2_3 void para_log(int, const char*, ...);
-/* taken from printf man page */
+/**
+ * Write a log message to a dynamically allocated string.
+ *
+ * \param fmt Usual format string.
+ * \param p Result pointer.
+ *
+ * \sa printf(3). */
#define PARA_VSPRINTF(fmt, p) \
{ \
- int n, size = 100; \
+ int n; \
+ size_t size = 100; \
p = para_malloc(size); \
while (1) { \
va_list ap; \
p = para_realloc(p, size); \
} \
}
+
+/**
+ * Return a random non-negative integer in an interval.
+ *
+ * \param max Determines maximal possible return value.
+ *
+ * \return An integer between zero and \p max - 1, inclusively.
+ */
+static inline long int para_random(unsigned max)
+{
+ return ((max + 0.0) * (random() / (RAND_MAX + 1.0)));
+}
+
+/** Round up x to a multiple of y */
+#define ROUND_UP(x, y) (((x) + ((y) - 1) / (y)) * (y))
+
+/** Get the size of an array */
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
+/**
+ * Wrapper for isspace.
+ * NetBSD needs this.
+ */
+/*
+ * The values should be cast to an unsigned char first, then to int.
+ * Why? Because the isdigit (as do all other is/to functions/macros)
+ * expect a number from 0 upto and including 255 as their (int) argument.
+ * Because char is signed on most systems, casting it to int immediately
+ * gives the functions an argument between -128 and 127 (inclusive),
+ * which they will use as an array index, and which will thus fail
+ * horribly for characters which have their most significant bit set.
+ */
+#define para_isspace(c) isspace((int)(unsigned char)(c))