* debug.c (debugerrno): New function.

[radsecproxy.git] / debug.c

diff --git a/debug.c b/debug.c
index 2b2e07d..a01c2dc 100644 (file)
--- a/debug.c
+++ b/debug.c
@@ -18,10 +18,13 @@
 #include <sys/time.h>
 #include <syslog.h>
 #include <errno.h>
+#include <assert.h>
 #include "debug.h"
+#include "util.h"
 
 static char *debug_ident = NULL;
 static uint8_t debug_level = DBG_INFO;
+static char *debug_filepath = NULL;
 static FILE *debug_file = NULL;
 static int debug_syslogfacility = 0;
 static uint8_t debug_timestamp = 0;
@@ -66,13 +69,14 @@ int debug_set_destination(char *dest) {
                                   LOG_LOCAL5, LOG_LOCAL6, LOG_LOCAL7 };
     extern int errno;
     int i;
-    
+
     if (!strncasecmp(dest, "file:///", 8)) {
-       debug_file = fopen(dest + 7, "a");
+       debug_filepath = stringcopy(dest + 7, 0);
+       debug_file = fopen(debug_filepath, "a");
        if (!debug_file) {
            debug_file = stderr;
            debugx(1, DBG_ERR, "Failed to open logfile %s\n%s",
-                  dest + 7, strerror(errno));
+                  debug_filepath, strerror(errno));
        }
        setvbuf(debug_file, NULL, _IONBF, 0);
        return 1;
@@ -97,11 +101,34 @@ int debug_set_destination(char *dest) {
     exit(1);
 }
 
+void debug_reopen_log() {
+    extern int errno;
+
+    /* not a file, noop, return success */
+    if (!debug_filepath) {
+       debug(DBG_ERR, "skipping reopen");
+       return;
+    }
+
+    if (debug_file != stderr)
+       fclose(debug_file);
+
+    debug_file = fopen(debug_filepath, "a");
+    if (debug_file)
+       debug(DBG_ERR, "Reopened logfile %s", debug_filepath);
+    else {
+       debug_file = stderr;
+       debug(DBG_ERR, "Failed to open logfile %s, using stderr\n%s",
+             debug_filepath, strerror(errno));
+    }
+    setvbuf(debug_file, NULL, _IONBF, 0);
+}
+
 void debug_logit(uint8_t level, const char *format, va_list ap) {
     struct timeval now;
     char *timebuf;
     int priority;
-    
+
     if (debug_syslogfacility) {
        switch (level) {
        case DBG_DBG:
@@ -151,3 +178,34 @@ void debugx(int status, uint8_t level, char *format, ...) {
     }
     exit(status);
 }
+
+void debugerrno(int err, uint8_t level, char *format, ...) {
+    if (level >= debug_level) {
+       va_list ap;
+       size_t len = strlen(format);
+       char *tmp = malloc(len + 1024 + 2);
+       assert(tmp);
+       strcpy(tmp, format);
+       tmp[len++] = ':';
+       tmp[len++] = ' ';
+       if (strerror_r(err, tmp + len, 1024))
+           tmp = format;
+       va_start(ap, format);
+       debug_logit(level, tmp, ap);
+       va_end(ap);
+    }
+}
+
+void debugerrnox(int err, uint8_t level, char *format, ...) {
+    if (level >= debug_level) {
+       va_list ap;
+       va_start(ap, format);
+       debugerrno(err, level, format, ap);
+       va_end(ap);
+    }
+    exit(err);
+}
+
+/* Local Variables: */
+/* c-file-style: "stroustrup" */
+/* End: */