1st pass at check_procs with multiple threshold checks

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/branches/new_threshold_syntax@1958 f882894a-f735-0410-b71e-b25c423dba1c

3 files changed, 306 insertions, 8 deletions

diff --git a/lib/tests/test_utils.c b/lib/tests/test_utils.c
index 278f526..a5189ce 100644
--- a/lib/tests/test_utils.c
+++ b/lib/tests/test_utils.c
@@ -30,7 +30,7 @@ main (int argc, char **argv)
         thresholds *thresholds = NULL;
         int     rc;
 
-        plan_tests(82);
+        plan_tests(172);
 
         range = parse_range_string("6");
         ok( range != NULL, "'6' is valid range");
@@ -40,6 +40,32 @@ main (int argc, char **argv)
         ok( range->end_infinity == FALSE, "Not using infinity");
         free(range);
 
+        range = _parse_range_string_v2("6");
+        ok( range == NULL, "Missing colon in range" );
+        ok( utils_errno == NP_RANGE_MISSING_COLON, "Right error code" );
+        
+        range = _parse_range_string_v2("6:");
+        ok( range != NULL, "'6:' is valid range");
+        ok( range->start == 6, "Start correct");
+        ok( range->start_infinity == FALSE, "Not using negative infinity");
+        ok( range->end_infinity == TRUE, "Using infinity");
+        free(range);
+
+        range = _parse_range_string_v2("6:6");
+        ok( range != NULL, "'6:6' is valid range");
+        ok( range->start == 6, "Start correct");
+        ok( range->start_infinity == FALSE, "Not using negative infinity");
+        ok( range->end == 6, "End correct");
+        ok( range->end_infinity == FALSE, "Not using infinity");
+        free(range);
+
+        range = _parse_range_string_v2(":6");
+        ok( range != NULL, "':6' is valid range");
+        ok( range->start_infinity == TRUE, "Using negative infinity");
+        ok( range->end == 6, "End correct");
+        ok( range->end_infinity == FALSE, "Not using infinity");
+        free(range);
+
         range = parse_range_string("1:12%%");
         ok( range != NULL, "'1:12%%' is valid - percentages are ignored");
         ok( range->start == 1, "Start correct");
@@ -48,6 +74,14 @@ main (int argc, char **argv)
         ok( range->end_infinity == FALSE, "Not using infinity");
         free(range);
 
+        range = _parse_range_string_v2("1:12%%");
+        ok( range != NULL, "'1:12%%' is valid - percentages are ignored");
+        ok( range->start == 1, "Start correct");
+        ok( range->start_infinity == FALSE, "Not using negative infinity");
+        ok( range->end == 12, "End correct");
+        ok( range->end_infinity == FALSE, "Not using infinity");
+        free(range);
+
         range = parse_range_string("-7:23");
         ok( range != NULL, "'-7:23' is valid range");
         ok( range->start == -7, "Start correct");
@@ -56,6 +90,14 @@ main (int argc, char **argv)
         ok( range->end_infinity == FALSE, "Not using infinity");
         free(range);
 
+        range = _parse_range_string_v2("-7:23");
+        ok( range != NULL, "'-7:23' is valid range");
+        ok( range->start == -7, "Start correct");
+        ok( range->start_infinity == FALSE, "Not using negative infinity");
+        ok( range->end == 23, "End correct");
+        ok( range->end_infinity == FALSE, "Not using infinity");
+        free(range);
+
         range = parse_range_string(":5.75");
         ok( range != NULL, "':5.75' is valid range");
         ok( range->start == 0, "Start correct");
@@ -64,6 +106,14 @@ main (int argc, char **argv)
         ok( range->end_infinity == FALSE, "Not using infinity");
         free(range);
 
+        range = _parse_range_string_v2(":5.75");
+        ok( range != NULL, "':5.75' is valid range");
+        ok( range->start == 0, "Start correct");
+        ok( range->start_infinity == TRUE, "Using negative infinity");
+        ok( range->end == 5.75, "End correct");
+        ok( range->end_infinity == FALSE, "Not using infinity");
+        free(range);
+
         range = parse_range_string("~:-95.99");
         ok( range != NULL, "~:-95.99' is valid range");
         ok( range->start_infinity == TRUE, "Using negative infinity");
@@ -71,6 +121,26 @@ main (int argc, char **argv)
         ok( range->end_infinity == FALSE, "Not using infinity");
         free(range);
 
+        range = _parse_range_string_v2("~:-95.99");
+        ok( range == NULL, "~:-95.99' is invalid range");
+        ok( utils_errno == NP_RANGE_UNPARSEABLE, "Correct error code" );
+
+        /*
+         * This is currently parseable. This is because ~ is interpreted as a 0
+         * and then 95.99 is the end, so we get 0:95.99. Should validate the characters before
+         * passing to strtod
+        range = _parse_range_string_v2("~:95.99");
+        ok( range == NULL, "~:95.99' is invalid range");
+        ok( utils_errno == NP_RANGE_UNPARSEABLE, "Correct error code" );
+        */
+
+        range = _parse_range_string_v2(":-95.99");
+        ok( range != NULL, ":-95.99' is valid range");
+        ok( range->start_infinity == TRUE, "Using negative infinity");
+        ok( range->end == -95.99, "End correct (with rounding errors)");
+        ok( range->end_infinity == FALSE, "Not using infinity");
+        free(range);
+
         range = parse_range_string("12345678901234567890:");
         temp = atof("12345678901234567890");            /* Can't just use this because number too large */
         ok( range != NULL, "'12345678901234567890:' is valid range");
@@ -83,6 +153,14 @@ main (int argc, char **argv)
         ok( check_range(temp*2, range) == FALSE, "12345678901234567890*2 - no alert");
         free(range);
 
+        range = _parse_range_string_v2("12345678901234567890:");
+        temp = atof("12345678901234567890");
+        ok( range != NULL, "'12345678901234567890:' is valid range");
+        ok( range->start == temp, "Start correct");
+        ok( range->start_infinity == FALSE, "Not using negative infinity");
+        ok( range->end_infinity == TRUE, "Using infinity");
+        free(range);
+
         range = parse_range_string("~:0");
         ok( range != NULL, "'~:0' is valid range");
         ok( range->start_infinity == TRUE, "Using negative infinity");
@@ -94,8 +172,16 @@ main (int argc, char **argv)
         ok( check_range(0, range)   == FALSE, "0 - no alert");
         free(range);
         
+        range = _parse_range_string_v2("-4.33:-4.33");
+        ok( range != NULL, "'-4.33:-4.33' is valid range");
+        ok( range->start_infinity == FALSE, "Not using negative infinity");
+        ok( range->start == -4.33, "Start right");
+        ok( range->end == -4.33, "End correct");
+        ok( range->end_infinity == FALSE, "Not using infinity");
+        free(range);
+        
         range = parse_range_string("@0:657.8210567");
-        ok( range != 0, "@0:657.8210567' is a valid range");
+        ok( range != NULL, "@0:657.8210567' is a valid range");
         ok( range->start == 0, "Start correct");
         ok( range->start_infinity == FALSE, "Not using negative infinity");
         ok( range->end == 657.8210567, "End correct");
@@ -107,6 +193,14 @@ main (int argc, char **argv)
         ok( check_range(0, range)     == TRUE, "0 - alert");
         free(range);
 
+        range = parse_range_string("^0:657.8210567");
+        ok( range != NULL, "^0:657.8210567' is a valid range");
+        ok( range->start == 0, "Start correct");
+        ok( range->start_infinity == FALSE, "Not using negative infinity");
+        ok( range->end == 657.8210567, "End correct");
+        ok( range->end_infinity == FALSE, "Not using infinity");
+        free(range);
+
         range = parse_range_string("1:1");
         ok( range != NULL, "'1:1' is a valid range");
         ok( range->start == 1, "Start correct");
@@ -121,22 +215,71 @@ main (int argc, char **argv)
         range = parse_range_string("2:1");
         ok( range == NULL, "'2:1' rejected");
 
+        range = _parse_range_string_v2("2:1");
+        ok( range == NULL, "'2:1' rejected");
+        ok( utils_errno == NP_RANGE_UNPARSEABLE, "Errno correct" );
+
         rc = _set_thresholds(&thresholds, NULL, NULL);
         ok( rc == 0, "Thresholds (NULL, NULL) set");
         ok( thresholds->warning == NULL, "Warning not set");
         ok( thresholds->critical == NULL, "Critical not set");
 
+        thresholds = _parse_thresholds_string(NULL);
+        ok( thresholds != NULL, "Threshold still set, even though NULL");
+        ok( thresholds->warning == NULL, "Warning set to NULL");
+        ok( thresholds->critical == NULL, "Critical set to NULL");
+
+        thresholds = _parse_thresholds_string("");
+        ok( thresholds != NULL, "Threshold still set, even though ''");
+        ok( thresholds->warning == NULL, "Warning set to NULL");
+        ok( thresholds->critical == NULL, "Critical set to NULL");
+
+        thresholds = _parse_thresholds_string("/");
+        ok( thresholds != NULL, "Threshold still set, even though '/'");
+        ok( thresholds->warning == NULL, "Warning set to NULL");
+        ok( thresholds->critical == NULL, "Critical set to NULL");
+
         rc = _set_thresholds(&thresholds, NULL, "80");
         ok( rc == 0, "Thresholds (NULL, '80') set");
         ok( thresholds->warning == NULL, "Warning not set");
         ok( thresholds->critical->end == 80, "Critical set correctly");
 
+        thresholds = _parse_thresholds_string(":80/");
+        ok( thresholds != NULL, "Threshold set for ':80/'");
+        ok( thresholds->warning == NULL, "Warning set to NULL");
+        ok( thresholds->critical->start_infinity == TRUE, "Start is right" );
+        ok( thresholds->critical->end == 80, "Critical set to 80");
+
+        thresholds = _parse_thresholds_string(":80");
+        ok( thresholds != NULL, "Threshold set for ':80'");
+        ok( thresholds->warning == NULL, "Warning set to NULL");
+        ok( thresholds->critical->start_infinity == TRUE, "Start is right" );
+        ok( thresholds->critical->end == 80, "Critical set to 80");
+
+        thresholds = _parse_thresholds_string("80");
+        ok( thresholds == NULL, "Threshold not set because of single value '80'");
+        ok( utils_errno == NP_RANGE_MISSING_COLON, "Correct error message");
+
         rc = _set_thresholds(&thresholds, "5:33", NULL);
         ok( rc == 0, "Thresholds ('5:33', NULL) set");
         ok( thresholds->warning->start == 5, "Warning start set");
         ok( thresholds->warning->end == 33, "Warning end set");
         ok( thresholds->critical == NULL, "Critical not set");
 
+        thresholds = _parse_thresholds_string("5:33");
+        ok( thresholds != NULL, "Threshold set for '5:33'");
+        ok( thresholds->warning == NULL, "Warning set to NULL");
+        ok( thresholds->critical->start_infinity == FALSE, "Start is right" );
+        ok( thresholds->critical->start == 5, "Critical set to 5");
+        ok( thresholds->critical->end == 33, "Critical set to 33");
+
+        thresholds = _parse_thresholds_string("/5:33");
+        ok( thresholds != NULL, "Threshold set for '/5:33'");
+        ok( thresholds->critical == NULL, "Critical set to NULL");
+        ok( thresholds->warning->start_infinity == FALSE, "Start is right" );
+        ok( thresholds->warning->start == 5, "Warning start set to 5");
+        ok( thresholds->warning->end == 33, "Warning end set to 33");
+
         rc = _set_thresholds(&thresholds, "30", "60");
         ok( rc == 0, "Thresholds ('30', '60') set");
         ok( thresholds->warning->end == 30, "Warning set correctly");
@@ -145,6 +288,17 @@ main (int argc, char **argv)
         ok( get_status(30.0001, thresholds) == STATE_WARNING, "30.0001 - warning");
         ok( get_status(69, thresholds) == STATE_CRITICAL, "69 - critical");
 
+        thresholds = _parse_thresholds_string("-6.7:29 / 235.4:3333.33");
+        ok( thresholds != NULL, "Threshold set for '-6.7:29 / 235.4:3333.33'");
+        ok( thresholds->critical->start_infinity == FALSE, "Critical not starting at infinity");
+        ok( thresholds->critical->start == -6.7, "Critical start right" );
+        ok( thresholds->critical->end_infinity == FALSE, "Critical not ending at infinity");
+        ok( thresholds->critical->end == 29, "Critical end right" );
+        ok( thresholds->warning->start_infinity == FALSE, "Start is right" );
+        ok( thresholds->warning->start == 235.4, "Warning set to 5");
+        ok( thresholds->warning->end_infinity == FALSE, "End is right" );
+        ok( thresholds->warning->end == 3333.33, "Warning set to 33");
+
         char *test;
         test = np_escaped_string("bob\\n");
         ok( strcmp(test, "bob\n") == 0, "bob\\n ok");
diff --git a/lib/utils_base.c b/lib/utils_base.c
index d1453c6..1320b71 100644
--- a/lib/utils_base.c
+++ b/lib/utils_base.c
@@ -98,6 +98,138 @@ range
         return NULL;
 }
 
+/* New range string parsing routines, for the v2 thresholds syntax */
+/* Returns range if OK, otherwise errors. Sets utils_errno if error */
+int utils_errno;
+range *
+_parse_range_string_v2 (char *str) {
+        range *temp_range;
+        double start;
+        double end;
+        char *end_str;
+
+        temp_range = (range *) malloc(sizeof(range));
+
+        /* Initialise */
+        temp_range->start = 0;
+        temp_range->start_infinity = FALSE;
+        temp_range->end = 0;
+        temp_range->end_infinity = FALSE;
+        temp_range->alert_on = INSIDE;
+
+        if (str[0] == '^') {
+                temp_range->alert_on = OUTSIDE;
+                str++;
+        }
+
+        end_str = index(str, ':');
+        if (end_str == NULL) {
+                utils_errno = NP_RANGE_MISSING_COLON;
+                free(temp_range);
+                temp_range = NULL;
+                return NULL;
+        }
+        end_str++;
+        if (str[0] == ':') {
+                temp_range->start_infinity = TRUE;
+        } else {
+                start = strtod(str, NULL);      /* Will stop at ':' */
+                set_range_start(temp_range, start);
+        }
+        if (strcmp(end_str, "") != 0) {
+                end = strtod(end_str, NULL);
+                set_range_end(temp_range, end);
+        } else {
+                temp_range->end_infinity = TRUE;
+        }
+
+        if (temp_range->start_infinity == TRUE || 
+                temp_range->end_infinity == TRUE ||
+                temp_range->start <= temp_range->end) {
+                return temp_range;
+        }
+        free(temp_range);
+        temp_range = NULL;
+        utils_errno = NP_RANGE_UNPARSEABLE;
+        return NULL;
+}
+
+void
+_die_on_parse_error(int errorcode) {
+        switch (errorcode) {
+        case NP_RANGE_UNPARSEABLE:
+                die(STATE_UNKNOWN, _("Range format incorrect\n"));
+        case NP_WARN_WITHIN_CRIT:
+                die(STATE_UNKNOWN, _("Warning level is a subset of critical and will not be alerted\n"));
+        case NP_RANGE_MISSING_COLON:
+                die(STATE_UNKNOWN, _("Range is missing a colon\n"));
+        case NP_MEMORY_ERROR:
+                die(STATE_UNKNOWN, _("Memory error\n"));
+        }
+}
+
+thresholds
+*_parse_thresholds_string(char *string) {
+        thresholds *temp_thresholds = NULL;
+        char *separator = NULL;
+        char *temp_string = NULL;
+        range *temp_range = NULL;
+        int rc;
+
+        temp_thresholds = malloc(sizeof(temp_thresholds));
+        if (temp_thresholds == NULL) {
+                utils_errno = NP_MEMORY_ERROR;
+                return NULL;
+        }
+
+        temp_thresholds->warning = NULL;
+        temp_thresholds->critical = NULL;
+
+        if (string == NULL || strcmp(string, "") == 0)
+                return temp_thresholds;
+
+        if((temp_string = strdup(string)) == NULL) {
+                free(temp_thresholds);
+                utils_errno = NP_MEMORY_ERROR;
+                return NULL;
+        }
+
+        /* Find critical part and parse the range */
+        separator = index(temp_string, '/');
+        if (separator) {
+                *separator = '\0';
+                separator++;
+        }
+        if ((strcmp(temp_string, "") != 0) && (temp_range = _parse_range_string_v2( temp_string )) == NULL) {
+                free(temp_thresholds);
+                free(temp_string);
+                /* utils_errno already set */
+                return NULL;
+        }
+        temp_thresholds->critical = temp_range;
+
+        if (separator == NULL || strcmp(separator, "") == 0) {
+                return temp_thresholds;
+        }
+        /* UOM not processed yet */
+        if(( temp_range = _parse_range_string_v2( separator )) == NULL) {
+                free(temp_thresholds);
+                free(temp_string);
+                return NULL;
+        }
+        temp_thresholds->warning = temp_range;
+        return temp_thresholds;
+}
+
+thresholds
+*parse_thresholds_string(char *string)
+{
+        thresholds *my_threshold;
+        if ((my_threshold = _parse_thresholds_string(string)) == NULL)
+                _die_on_parse_error(utils_errno);
+        return my_threshold;
+}
+
 /* returns 0 if okay, otherwise 1 */
 int
 _set_thresholds(thresholds **my_thresholds, char *warn_string, char *critical_string)
@@ -139,8 +271,7 @@ set_thresholds(thresholds **my_thresholds, char *warn_string, char *critical_str
         }
 }
 
-void print_thresholds(const char *threshold_name, thresholds *my_threshold) {
-        printf("%s - ", threshold_name);
+void print_thresholds(thresholds *my_threshold) {
         if (! my_threshold) {
                 printf("Threshold not set");
         } else {
diff --git a/lib/utils_base.h b/lib/utils_base.h
index bda7659..c616c5b 100644
--- a/lib/utils_base.h
+++ b/lib/utils_base.h
@@ -31,7 +31,7 @@ typedef struct thresholds_struct {
 range *parse_range_string (char *);
 int _set_thresholds(thresholds **, char *, char *);
 void set_thresholds(thresholds **, char *, char *);
-void print_thresholds(const char *, thresholds *);
+void print_thresholds(thresholds *);
 int check_range(double, range *);
 int get_status(double, thresholds *);
 
@@ -39,9 +39,22 @@ char *np_escaped_string (const char *);
 
 void die (int, const char *, ...) __attribute__((noreturn,format(printf, 2, 3)));
 
-/* Return codes for _set_thresholds */
-#define NP_RANGE_UNPARSEABLE 1
-#define NP_WARN_WITHIN_CRIT 2
+
+/* Parses a threshold string, as entered from command line */
+/* Returns a malloc'd threshold* which can be freed */
+thresholds *parse_thresholds_string(char *);
+thresholds * _parse_thresholds_string(char *);
+void free_thresholds(thresholds *);
+range * _parse_range_string_v2(char *);
+int utils_errno;
+
+
+/* Error codes */
+#define NP_RANGE_UNPARSEABLE            1
+#define NP_WARN_WITHIN_CRIT             2
+#define NP_RANGE_MISSING_COLON          3
+#define NP_THRESHOLD_UNPARSEABLE        4
+#define NP_MEMORY_ERROR                 5
 
 /* a simple check to see if we're running as root.  
  * returns zero on failure, nonzero on success */