allocate() — netty Function Reference

Architecture documentation for the allocate() function in PoolThreadCache.java from the netty codebase.

Function java Buffer Search calls 2 called by 3

Entity Profile

Buffer→ Search→ allocate() — netty Function Reference

Dependency Diagram

graph TD
  610ff9ad_3424_2b92_6d1b_26798bcd0ba8["allocate()"]
  f4c407ea_9e8c_d00d_ea7e_e355c94f8aba["PoolThreadCache"]
  610ff9ad_3424_2b92_6d1b_26798bcd0ba8 -->|defined in| f4c407ea_9e8c_d00d_ea7e_e355c94f8aba
  a1659e79_8236_9951_f1d0_62b19f3b2ca7["allocate()"]
  a1659e79_8236_9951_f1d0_62b19f3b2ca7 -->|calls| 610ff9ad_3424_2b92_6d1b_26798bcd0ba8
  3d3d2bff_2825_15d9_1c0a_1051549ec76d["allocateSmall()"]
  3d3d2bff_2825_15d9_1c0a_1051549ec76d -->|calls| 610ff9ad_3424_2b92_6d1b_26798bcd0ba8
  e8e3b809_f6ce_ff31_6add_bfbdca5637eb["allocateNormal()"]
  e8e3b809_f6ce_ff31_6add_bfbdca5637eb -->|calls| 610ff9ad_3424_2b92_6d1b_26798bcd0ba8
  a1659e79_8236_9951_f1d0_62b19f3b2ca7["allocate()"]
  610ff9ad_3424_2b92_6d1b_26798bcd0ba8 -->|calls| a1659e79_8236_9951_f1d0_62b19f3b2ca7
  562c77b5_107e_e3e8_4481_0717613d42f3["trim()"]
  610ff9ad_3424_2b92_6d1b_26798bcd0ba8 -->|calls| 562c77b5_107e_e3e8_4481_0717613d42f3
  style 610ff9ad_3424_2b92_6d1b_26798bcd0ba8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/main/java/io/netty/buffer/PoolThreadCache.java lines 157–169

    @SuppressWarnings({ "unchecked", "rawtypes" })
    private boolean allocate(MemoryRegionCache<?> cache, PooledByteBuf buf, int reqCapacity) {
        if (cache == null) {
            // no cache found so just return false here
            return false;
        }
        boolean allocated = cache.allocate(buf, reqCapacity, this);
        if (++ allocations >= freeSweepAllocationThreshold) {
            allocations = 0;
            trim();
        }
        return allocated;
    }