Function GetRegion

src/brpc/rdma/block_pool.cpp:105–123

static GlobalInfo* g_info = NULL;

static inline Region* GetRegion(const void* buf) {
    if (!buf) {
        errno = EINVAL;
        return NULL;
    }
    Region* r = NULL;
    uintptr_t addr = (uintptr_t)buf;
    for (int i = 0; i < FLAGS_rdma_memory_pool_max_regions; ++i) {
        if (g_regions[i].start == 0) {
            break;
        }
        if (addr >= g_regions[i].start &&
            addr < g_regions[i].start + g_regions[i].size) {
            r = &g_regions[i];
            break;
        }
    }
    return r;
}

uint32_t GetRegionId(const void* buf) {
    Region* r = GetRegion(buf);