Code reformatting

1 files changed, 220 insertions, 231 deletions

diff --git a/include/shard/PGM.h b/include/shard/PGM.h
index 5b39ab4..40c9141 100644
--- a/include/shard/PGM.h
+++ b/include/shard/PGM.h
@@ -13,7 +13,6 @@
  */
 #pragma once
 
-
 #include <vector>
 
 #include "framework/ShardRequirements.h"
@@ -23,278 +22,268 @@
 #include "util/SortedMerge.h"
 #include "util/bf_config.h"
 
-using psudb::CACHELINE_SIZE;
 using psudb::BloomFilter;
+using psudb::byte;
+using psudb::CACHELINE_SIZE;
 using psudb::PriorityQueue;
 using psudb::queue_record;
-using psudb::byte;
 
 namespace de {
 
-template <RecordInterface R, size_t epsilon=128>
-class PGM {
+template <RecordInterface R, size_t epsilon = 128> class PGM {
 public:
-    typedef R RECORD;
+  typedef R RECORD;
+
 private:
-    typedef decltype(R::key) K;
-    typedef decltype(R::value) V;
+  typedef decltype(R::key) K;
+  typedef decltype(R::value) V;
 
 public:
-    PGM(BufferView<R> buffer)
-        : m_bf(nullptr)
-        , m_reccnt(0)
-        , m_tombstone_cnt(0)
-        , m_alloc_size(0) {
-
-        m_alloc_size = psudb::sf_aligned_alloc(CACHELINE_SIZE, 
-                                               buffer.get_record_count() * 
-                                                 sizeof(Wrapped<R>), 
-                                               (byte**) &m_data);
-
-        std::vector<K> keys;
-        /*
-         * Copy the contents of the buffer view into a temporary buffer, and
-         * sort them. We still need to iterate over these temporary records to 
-         * apply tombstone/deleted record filtering, as well as any possible
-         * per-record processing that is required by the shard being built.
-         */
-        auto temp_buffer = (Wrapped<R> *) psudb::sf_aligned_calloc(CACHELINE_SIZE, 
-                                                                   buffer.get_record_count(), 
-                                                                   sizeof(Wrapped<R>));
-        buffer.copy_to_buffer((byte *) temp_buffer);
-
-        auto base = temp_buffer;
-        auto stop = base + buffer.get_record_count();
-        std::sort(base, stop, std::less<Wrapped<R>>());
-
-        merge_info info = {0, 0};
-
-        /* 
-         * Iterate over the temporary buffer to process the records, copying
-         * them into buffer as needed
-         */
-        while (base < stop) {
-            if (!base->is_tombstone() && (base + 1 < stop)
-                && base->rec == (base + 1)->rec  && (base + 1)->is_tombstone()) {
-                base += 2;
-                continue;
-            } else if (base->is_deleted()) {
-                base += 1;
-                continue;
-            }
-
-            // FIXME: this shouldn't be necessary, but the tagged record
-            // bypass doesn't seem to be working on this code-path, so this
-            // ensures that tagged records from the buffer are able to be
-            // dropped, eventually. It should only need to be &= 1
-            base->header &= 3;
-            keys.emplace_back(base->rec.key);
-            m_data[info.record_count++] = *base;
-
-            if (base->is_tombstone()) {
-                info.tombstone_count++;
-                if (m_bf){
-                    m_bf->insert(base->rec);
-                }
-            }
-
-            base++;
+  PGM(BufferView<R> buffer)
+      : m_bf(nullptr), m_reccnt(0), m_tombstone_cnt(0), m_alloc_size(0) {
+
+    m_alloc_size = psudb::sf_aligned_alloc(
+        CACHELINE_SIZE, buffer.get_record_count() * sizeof(Wrapped<R>),
+        (byte **)&m_data);
+
+    std::vector<K> keys;
+    /*
+     * Copy the contents of the buffer view into a temporary buffer, and
+     * sort them. We still need to iterate over these temporary records to
+     * apply tombstone/deleted record filtering, as well as any possible
+     * per-record processing that is required by the shard being built.
+     */
+    auto temp_buffer = (Wrapped<R> *)psudb::sf_aligned_calloc(
+        CACHELINE_SIZE, buffer.get_record_count(), sizeof(Wrapped<R>));
+    buffer.copy_to_buffer((byte *)temp_buffer);
+
+    auto base = temp_buffer;
+    auto stop = base + buffer.get_record_count();
+    std::sort(base, stop, std::less<Wrapped<R>>());
+
+    merge_info info = {0, 0};
+
+    /*
+     * Iterate over the temporary buffer to process the records, copying
+     * them into buffer as needed
+     */
+    while (base < stop) {
+      if (!base->is_tombstone() && (base + 1 < stop) &&
+          base->rec == (base + 1)->rec && (base + 1)->is_tombstone()) {
+        base += 2;
+        continue;
+      } else if (base->is_deleted()) {
+        base += 1;
+        continue;
+      }
+
+      // FIXME: this shouldn't be necessary, but the tagged record
+      // bypass doesn't seem to be working on this code-path, so this
+      // ensures that tagged records from the buffer are able to be
+      // dropped, eventually. It should only need to be &= 1
+      base->header &= 3;
+      keys.emplace_back(base->rec.key);
+      m_data[info.record_count++] = *base;
+
+      if (base->is_tombstone()) {
+        info.tombstone_count++;
+        if (m_bf) {
+          m_bf->insert(base->rec);
         }
+      }
 
-        free(temp_buffer);
-
-        m_reccnt = info.record_count;
-        m_tombstone_cnt = info.tombstone_count;
-
-        if (m_reccnt > 0) {
-            m_pgm = pgm::PGMIndex<K, epsilon>(keys);
-        }
+      base++;
     }
 
-    PGM(std::vector<const PGM*> const &shards)
-        : m_data(nullptr)
-        , m_bf(nullptr)
-        , m_reccnt(0)
-        , m_tombstone_cnt(0)
-        , m_alloc_size(0) {
-        
-        size_t attemp_reccnt = 0;
-        size_t tombstone_count = 0;
-        auto cursors = build_cursor_vec<R, PGM>(shards, &attemp_reccnt, &tombstone_count);
-
-        m_alloc_size = psudb::sf_aligned_alloc(CACHELINE_SIZE, 
-                                               attemp_reccnt * sizeof(Wrapped<R>),
-                                               (byte **) &m_data);
-        std::vector<K> keys;
-
-        // FIXME: For smaller cursor arrays, it may be more efficient to skip
-        //        the priority queue and just do a scan.
-        PriorityQueue<Wrapped<R>> pq(cursors.size());
-        for (size_t i=0; i<cursors.size(); i++) {
-            pq.push(cursors[i].ptr, i);
-        }
+    free(temp_buffer);
 
-        merge_info info = {0, 0};
-        while (pq.size()) {
-            auto now = pq.peek();
-            auto next = pq.size() > 1 ? pq.peek(1) : queue_record<Wrapped<R>>{nullptr, 0};
-            /* 
-             * if the current record is not a tombstone, and the next record is
-             * a tombstone that matches the current one, then the current one
-             * has been deleted, and both it and its tombstone can be skipped
-             * over.
-             */
-            if (!now.data->is_tombstone() && next.data != nullptr &&
-                now.data->rec == next.data->rec && next.data->is_tombstone()) {
-                
-                pq.pop(); pq.pop();
-                auto& cursor1 = cursors[now.version];
-                auto& cursor2 = cursors[next.version];
-                if (advance_cursor(cursor1)) pq.push(cursor1.ptr, now.version);
-                if (advance_cursor(cursor2)) pq.push(cursor2.ptr, next.version);
-            } else {
-                auto& cursor = cursors[now.version];
-                /* skip over records that have been deleted via tagging */
-                if (!cursor.ptr->is_deleted()) {
-                    keys.emplace_back(cursor.ptr->rec.key);
-                    m_data[info.record_count++] = *cursor.ptr;
-
-                    /*  
-                     * if the record is a tombstone, increment the ts count and 
-                     * insert it into the bloom filter if one has been
-                     * provided.
-                     */
-                    if (cursor.ptr->is_tombstone()) {
-                        info.tombstone_count++;
-                        if (m_bf) {
-                            m_bf->insert(cursor.ptr->rec);
-                        }
-                    }
-                }
-                pq.pop();
-                
-                if (advance_cursor(cursor)) pq.push(cursor.ptr, now.version);
-            }
-        }
+    m_reccnt = info.record_count;
+    m_tombstone_cnt = info.tombstone_count;
 
-        m_reccnt = info.record_count;
-        m_tombstone_cnt = info.tombstone_count;
+    if (m_reccnt > 0) {
+      m_pgm = pgm::PGMIndex<K, epsilon>(keys);
+    }
+  }
+
+  PGM(std::vector<const PGM *> const &shards)
+      : m_data(nullptr), m_bf(nullptr), m_reccnt(0), m_tombstone_cnt(0),
+        m_alloc_size(0) {
+
+    size_t attemp_reccnt = 0;
+    size_t tombstone_count = 0;
+    auto cursors =
+        build_cursor_vec<R, PGM>(shards, &attemp_reccnt, &tombstone_count);
+
+    m_alloc_size = psudb::sf_aligned_alloc(
+        CACHELINE_SIZE, attemp_reccnt * sizeof(Wrapped<R>), (byte **)&m_data);
+    std::vector<K> keys;
+
+    // FIXME: For smaller cursor arrays, it may be more efficient to skip
+    //        the priority queue and just do a scan.
+    PriorityQueue<Wrapped<R>> pq(cursors.size());
+    for (size_t i = 0; i < cursors.size(); i++) {
+      pq.push(cursors[i].ptr, i);
+    }
 
-        if (m_reccnt > 0) {
-            m_pgm = pgm::PGMIndex<K, epsilon>(keys);
+    merge_info info = {0, 0};
+    while (pq.size()) {
+      auto now = pq.peek();
+      auto next =
+          pq.size() > 1 ? pq.peek(1) : queue_record<Wrapped<R>>{nullptr, 0};
+      /*
+       * if the current record is not a tombstone, and the next record is
+       * a tombstone that matches the current one, then the current one
+       * has been deleted, and both it and its tombstone can be skipped
+       * over.
+       */
+      if (!now.data->is_tombstone() && next.data != nullptr &&
+          now.data->rec == next.data->rec && next.data->is_tombstone()) {
+
+        pq.pop();
+        pq.pop();
+        auto &cursor1 = cursors[now.version];
+        auto &cursor2 = cursors[next.version];
+        if (advance_cursor(cursor1))
+          pq.push(cursor1.ptr, now.version);
+        if (advance_cursor(cursor2))
+          pq.push(cursor2.ptr, next.version);
+      } else {
+        auto &cursor = cursors[now.version];
+        /* skip over records that have been deleted via tagging */
+        if (!cursor.ptr->is_deleted()) {
+          keys.emplace_back(cursor.ptr->rec.key);
+          m_data[info.record_count++] = *cursor.ptr;
+
+          /*
+           * if the record is a tombstone, increment the ts count and
+           * insert it into the bloom filter if one has been
+           * provided.
+           */
+          if (cursor.ptr->is_tombstone()) {
+            info.tombstone_count++;
+            if (m_bf) {
+              m_bf->insert(cursor.ptr->rec);
+            }
+          }
         }
-   }
+        pq.pop();
 
-    ~PGM() {
-        free(m_data);
-        delete m_bf;
+        if (advance_cursor(cursor))
+          pq.push(cursor.ptr, now.version);
+      }
     }
 
-    Wrapped<R> *point_lookup(const R &rec, bool filter=false) const {
-        size_t idx = get_lower_bound(rec.key);
-        if (idx >= m_reccnt) {
-            return nullptr;
-        }
+    m_reccnt = info.record_count;
+    m_tombstone_cnt = info.tombstone_count;
 
-        while (idx < m_reccnt && m_data[idx].rec < rec) ++idx;
+    if (m_reccnt > 0) {
+      m_pgm = pgm::PGMIndex<K, epsilon>(keys);
+    }
+  }
 
-        if (m_data[idx].rec == rec) {
-            return m_data + idx;
-        }
+  ~PGM() {
+    free(m_data);
+    delete m_bf;
+  }
 
-        return nullptr;
+  Wrapped<R> *point_lookup(const R &rec, bool filter = false) const {
+    size_t idx = get_lower_bound(rec.key);
+    if (idx >= m_reccnt) {
+      return nullptr;
     }
 
-    Wrapped<R>* get_data() const {
-        return m_data;
-    }
-    
-    size_t get_record_count() const {
-        return m_reccnt;
-    }
+    while (idx < m_reccnt && m_data[idx].rec < rec)
+      ++idx;
 
-    size_t get_tombstone_count() const {
-        return m_tombstone_cnt;
+    if (m_data[idx].rec == rec) {
+      return m_data + idx;
     }
 
-    const Wrapped<R>* get_record_at(size_t idx) const {
-        if (idx >= m_reccnt) return nullptr;
-        return m_data + idx;
-    }
+    return nullptr;
+  }
 
+  Wrapped<R> *get_data() const { return m_data; }
 
-    size_t get_memory_usage() const {
-        return m_pgm.size_in_bytes();
-    }
+  size_t get_record_count() const { return m_reccnt; }
 
-    size_t get_aux_memory_usage() const {
-        return (m_bf) ? m_bf->memory_usage() : 0;
-    }
+  size_t get_tombstone_count() const { return m_tombstone_cnt; }
 
-    size_t get_lower_bound(const K& key) const {
-        auto bound = m_pgm.search(key);
-        size_t idx = bound.lo;
+  const Wrapped<R> *get_record_at(size_t idx) const {
+    if (idx >= m_reccnt)
+      return nullptr;
+    return m_data + idx;
+  }
 
-        if (idx >= m_reccnt) {
-            return m_reccnt;
-        }
+  size_t get_memory_usage() const { return m_pgm.size_in_bytes(); }
 
-        /*
-         * If the region to search is less than some pre-specified
-         * amount, perform a linear scan to locate the record.
-         */
-        if (bound.hi - bound.lo < 256) {
-            while (idx < bound.hi && m_data[idx].rec.key < key) {
-                idx++;
-            }
-        } else {
-            /* Otherwise, perform a binary search */
-            idx = bound.lo;
-            size_t max = bound.hi;
-
-            while (idx < max) {
-                size_t mid = (idx + max) / 2;
-                if (key > m_data[mid].rec.key) {
-                    idx = mid + 1;
-                } else {
-                    max = mid;
-                }
-            }
+  size_t get_aux_memory_usage() const {
+    return (m_bf) ? m_bf->memory_usage() : 0;
+  }
 
-        }
+  size_t get_lower_bound(const K &key) const {
+    auto bound = m_pgm.search(key);
+    size_t idx = bound.lo;
 
-        /*
-         * the upper bound returned by PGM is one passed the end of the
-         * array. If we are at that point, we should just return "not found"
-         */
-        if (idx == m_reccnt) {
-            return idx;
-        }
+    if (idx >= m_reccnt) {
+      return m_reccnt;
+    }
 
-        /* 
-         * We may have walked one passed the actual lower bound, so check
-         * the index before the current one to see if it is the actual bound
-         */
-        if (m_data[idx].rec.key > key && idx > 0 && m_data[idx-1].rec.key <= key) {
-            return idx-1;
+    /*
+     * If the region to search is less than some pre-specified
+     * amount, perform a linear scan to locate the record.
+     */
+    if (bound.hi - bound.lo < 256) {
+      while (idx < bound.hi && m_data[idx].rec.key < key) {
+        idx++;
+      }
+    } else {
+      /* Otherwise, perform a binary search */
+      idx = bound.lo;
+      size_t max = bound.hi;
+
+      while (idx < max) {
+        size_t mid = (idx + max) / 2;
+        if (key > m_data[mid].rec.key) {
+          idx = mid + 1;
+        } else {
+          max = mid;
         }
+      }
+    }
+
+    /*
+     * the upper bound returned by PGM is one passed the end of the
+     * array. If we are at that point, we should just return "not found"
+     */
+    if (idx == m_reccnt) {
+      return idx;
+    }
 
-        /*
-         * Otherwise, check idx. If it is a valid bound, then return it,
-         * otherwise return "not found".
-         */
-        return (m_data[idx].rec.key >= key) ? idx : m_reccnt;
+    /*
+     * We may have walked one passed the actual lower bound, so check
+     * the index before the current one to see if it is the actual bound
+     */
+    if (m_data[idx].rec.key > key && idx > 0 &&
+        m_data[idx - 1].rec.key <= key) {
+      return idx - 1;
     }
 
+    /*
+     * Otherwise, check idx. If it is a valid bound, then return it,
+     * otherwise return "not found".
+     */
+    return (m_data[idx].rec.key >= key) ? idx : m_reccnt;
+  }
+
 private:
-    Wrapped<R>* m_data;
-    BloomFilter<R> *m_bf;
-    size_t m_reccnt;
-    size_t m_tombstone_cnt;
-    size_t m_alloc_size;
-    K m_max_key;
-    K m_min_key;
-    pgm::PGMIndex<K, epsilon> m_pgm;
+  Wrapped<R> *m_data;
+  BloomFilter<R> *m_bf;
+  size_t m_reccnt;
+  size_t m_tombstone_cnt;
+  size_t m_alloc_size;
+  K m_max_key;
+  K m_min_key;
+  pgm::PGMIndex<K, epsilon> m_pgm;
 };
 
-}
+} // namespace de