X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=para.h;h=c4c73a3f37661565037fc72ffbf03dc9bef8f20b;hp=f456eebd4e6fa37224e915aacd9d10131c24a798;hb=bb6721e17e741b7ea52fbf88661d2b177bed72c3;hpb=6bdac07456cb5872f824028912d1049883a9c21f;ds=inline

diff --git a/para.h b/para.h
index f456eebd..c4c73a3f 100644
--- a/para.h
+++ b/para.h
@@ -49,63 +49,65 @@
 	typeof(x) _x = (x); \
 	_x > 0? _x : -_x; })
 
-/** debug loglevel, gets really noisy */
-#define DEBUG 1
-/** still noisy, but won't fill your disk */
-#define INFO  2
-/** normal, but significant event */
-#define NOTICE 3
-/** unexpected event that can be handled */
-#define WARNING 4
-/** unhandled error condition */
-#define ERROR 5
-/** system might be unreliable */
-#define CRIT 6
-/** last message before exit */
-#define EMERG 7
+/** Debug loglevel, gets really noisy. */
+#define LL_DEBUG 0
+/** Still noisy, but won't fill your disk. */
+#define LL_INFO  1
+/** Normal, but significant event. */
+#define LL_NOTICE 2
+/** Unexpected event that can be handled. */
+#define LL_WARNING 3
+/** Unhandled error condition. */
+#define LL_ERROR 4
+/** System might be unreliable. */
+#define LL_CRIT 5
+/** Last message before exit. */
+#define LL_EMERG 6
+/** Number of all loglevels. */
+#define NUM_LOGLEVELS 7
 
 /** 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__)
+#if LL_DEBUG >= COMPILE_TIME_LOGLEVEL
+#define PARA_DEBUG_LOG(f,...) para_log(LL_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__)
+#if LL_INFO >= COMPILE_TIME_LOGLEVEL
+#define PARA_INFO_LOG(f,...) para_log(LL_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__)
+#if LL_NOTICE >= COMPILE_TIME_LOGLEVEL
+#define PARA_NOTICE_LOG(f,...) para_log(LL_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__)
+#if LL_WARNING >= COMPILE_TIME_LOGLEVEL
+#define PARA_WARNING_LOG(f,...) para_log(LL_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__)
+#if LL_ERROR >= COMPILE_TIME_LOGLEVEL
+#define PARA_ERROR_LOG(f,...) para_log(LL_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__)
+#if LL_CRIT >= COMPILE_TIME_LOGLEVEL
+#define PARA_CRIT_LOG(f,...) para_log(LL_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__)
+#if LL_EMERG >= COMPILE_TIME_LOGLEVEL
+#define PARA_EMERG_LOG(f,...) para_log(LL_EMERG, "%s: " f, __FUNCTION__, ## __VA_ARGS__)
 #else
 #define PARA_EMERG_LOG(...)
 #endif
@@ -143,16 +145,17 @@
 		printf("%s", VERSION_TEXT(_prefix)); \
 		exit(EXIT_SUCCESS); \
 	}
+
+/* Sent by para_client to initiate the authentication procedure. */
+#define AUTH_REQUEST_MSG "auth rsa "
 /** sent by para_server for commands that expect a data file */
 #define AWAITING_DATA_MSG "\nAwaiting Data."
 /** sent by para_server if authentication was successful */
-#define PROCEED_MSG "\nProceed.\n"
+#define PROCEED_MSG "Proceed."
 /** length of the \p PROCEED_MSG string */
 #define PROCEED_MSG_LEN strlen(PROCEED_MSG)
 /** sent by para_client to indicate the end of the command line */
 #define EOC_MSG "\nEnd of Command."
-/** sent by para_client, followed by the decrypted challenge number */
-#define CHALLENGE_RESPONSE_MSG "challenge_response:"
 
 /* exec */
 int para_exec_cmdline_pid(pid_t *pid, const char *cmdline, int *fds);
@@ -178,10 +181,8 @@ 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(const char *msg, int itemnum);
-int stat_client_add(int fd, long unsigned mask);
+int for_each_stat_item(char *item_buf, size_t num_bytes,
+	int (*item_handler)(int, char *));
 
 __printf_2_3 void para_log(int, const char*, ...);
 
@@ -222,13 +223,14 @@ __printf_2_3 void para_log(int, const char*, ...);
  *
  * \return An integer between zero and \p max - 1, inclusively.
  */
-static inline long int para_random(unsigned max)
+_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))
+#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]))
@@ -247,3 +249,8 @@ static inline long int para_random(unsigned max)
  * horribly for characters which have their most significant bit set.
  */
 #define para_isspace(c) isspace((int)(unsigned char)(c))
+
+/** Data that indicates an eof-condition for a fec-encoded stream. */
+#define FEC_EOF_PACKET "\xec\x0d\xcc\xfe\0\0\0\0" \
+	"\0\0\0\0\0\0\0\0" "\0\0\0\0\0\0\0\0" "\0\0\0\0\0\0\0\0"
+#define FEC_EOF_PACKET_LEN 32