fix: find gaps in the relocation for data inject

model/rangemanager.py

@@ -0,0 +1,43 @@
+from intervaltree import Interval, IntervalTree
+
+class RangeManager:
+    def __init__(self, min=0, max=1000):
+        self.intervals = IntervalTree()
+        self.min = min
+        self.max = max
+
+
+    def merge_overlaps(self):
+        self.intervals.merge_overlaps(strict=False)
+
+
+    def add_range(self, start, end):
+        if start < self.min or end > self.max:
+            raise ValueError("Ranges must be within 0x{:X} and 0x{:X}, not 0x{:X}/0x{:X}".format(
+                self.min, self.max, start, end
+            ))
+        self.intervals.add(Interval(start, end))
+
+
+    def find_hole(self, hole_size):
+        sorted_intervals = sorted(self.intervals)
+        last_end = self.min
+        for interval in sorted_intervals:
+            start, end = interval.begin, interval.end
+            if start - last_end >= hole_size:
+                return (last_end + 1, start - 1)
+            last_end = max(last_end, end)
+    
+    
+    def find_holes(self, hole_size):
+        sorted_intervals = sorted(self.intervals)
+        holes = []
+        last_end = self.min
+        for interval in sorted_intervals:
+            start, end = interval.begin, interval.end
+            if start - last_end >= hole_size:
+                holes.append((last_end + 1, start - 1))
+            last_end = max(last_end, end)
+        if last_end < self.max and self.max - last_end >= hole_size:
+            holes.append((last_end + 1, self.max))
+        return holes