bytemark/flexnbd-c
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connect failure scenarios

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This commit is contained in:
Alex Young
2012-06-22 10:05:41 +01:00
parent 80f298f6cd
commit 2078d17053
28 changed files with 1674 additions and 225 deletions
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14
src/util.h
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@@ -79,27 +79,31 @@ void error_handler(int fatal);
/* mylog a line at the given level (0 being most verbose) */
void mylog(int line_level, const char* format, ...);
#define levstr(i) (i==0?'D':(i==1?'I':(i==2?'W':(i==3?'E':'F'))))
#define myloglev(level, msg, ...) mylog( level, "%c:%d %p %s:%d: "msg, levstr(level), getpid(),pthread_self(), __FILE__, __LINE__, ##__VA_ARGS__ )
#ifdef DEBUG
# define debug(msg, ...) mylog(0, "%s:%d: " msg, __FILE__, __LINE__, ##__VA_ARGS__)
# define debug(msg, ...) myloglev(0, msg, ##__VA_ARGS__)
#else
# define debug(msg, ...) /* no-op */
#endif
/* informational message, not expected to be compiled out */
#define info(msg, ...) mylog(1, "%s:%d: " msg, __FILE__, __LINE__, ##__VA_ARGS__)
#define info(msg, ...) myloglev(1, msg, ##__VA_ARGS__)
/* messages that might indicate a problem */
#define warn(msg, ...) mylog(2, "%s:%d: " msg, __FILE__, __LINE__, ##__VA_ARGS__)
#define warn(msg, ...) myloglev(2, msg, ##__VA_ARGS__)
/* mylog a message and invoke the error handler to recover */
#define error(msg, ...) do { \
mylog(3, "*** %s:%d: " msg, __FILE__, __LINE__, ##__VA_ARGS__); \
myloglev(3, msg, ##__VA_ARGS__); \
error_handler(0); \
} while(0)
/* mylog a message and invoke the error handler to kill the current thread */
#define fatal(msg, ...) do { \
mylog(4, "*** %s:%d: " msg, __FILE__, __LINE__, ##__VA_ARGS__); \
myloglev(4, msg, ##__VA_ARGS__); \
error_handler(1); \
} while(0)