Add monitor alteration to config_runtime.h

Moved the monitor alteration to config_runtime.c.

server/core/config_runtime.c

@@ -258,3 +258,80 @@ bool runtime_alter_server(SERVER *server, char *key, char *value)
     spinlock_release(&crt_lock);
     return valid;
 }
+
+/**
+ * @brief Convert a string value to a positive integer
+ *
+ * If the value is not a positive integer, an error is printed to @c dcb.
+ *
+ * @param value String value
+ * @return 0 on error, otherwise a positive integer
+ */
+static long get_positive_int(const char *value)
+{
+    char *endptr;
+    long ival = strtol(value, &endptr, 10);
+
+    if (*endptr == '\0' && ival > 0)
+    {
+        return ival;
+    }
+
+    return 0;
+}
+
+bool runtime_alter_monitor(MONITOR *monitor, char *key, char *value)
+{
+    spinlock_acquire(&crt_lock);
+    bool valid = false;
+
+    if (strcmp(key, "user") == 0)
+    {
+        valid = true;
+        monitorAddUser(monitor, value, monitor->password);
+    }
+    else if (strcmp(key, "password") == 0)
+    {
+        valid = true;
+        monitorAddUser(monitor, monitor->user, value);
+    }
+    else if (strcmp(key, "monitor_interval") == 0)
+    {
+        long ival = get_positive_int(value);
+        if (ival)
+        {
+            valid = true;
+            monitorSetInterval(monitor, ival);
+        }
+    }
+    else if (strcmp(key, "backend_connect_timeout") == 0)
+    {
+        long ival = get_positive_int(value);
+        if (ival)
+        {
+            valid = true;
+            monitorSetNetworkTimeout(monitor, MONITOR_CONNECT_TIMEOUT, ival);
+        }
+    }
+    else if (strcmp(key, "backend_write_timeout") == 0)
+    {
+        long ival = get_positive_int(value);
+        if (ival)
+        {
+            valid = true;
+            monitorSetNetworkTimeout(monitor, MONITOR_WRITE_TIMEOUT, ival);
+        }
+    }
+    else if (strcmp(key, "backend_read_timeout") == 0)
+    {
+        long ival = get_positive_int(value);
+        if (ival)
+        {
+            valid = true;
+            monitorSetNetworkTimeout(monitor, MONITOR_READ_TIMEOUT, ival);
+        }
+    }
+
+    spinlock_release(&crt_lock);
+    return valid;
+}