Rework qvi_scope_split_agg_s. (#255)

Rework qvi_scope_split_agg_s in preparation for hardware mapping
improvements.

Signed-off-by: Samuel K. Gutierrez <samuel@lanl.gov>

src/qvi-bbuff-rmi.h

@@ -825,11 +825,11 @@ qvi_bbuff_rmi_unpack_item(
 }
 
 /**
- * Unpacks qvi_hwpool_dev_s *
+ * Unpacks qvi_hwpool_dev_s &
  */
 inline int
 qvi_bbuff_rmi_unpack_item(
-    qvi_hwpool_dev_s *dev,
+    qvi_hwpool_dev_s &dev,
     byte_t *buffpos,
     size_t *bytes_written
 ) {

src/qvi-group-mpi.h

@@ -46,13 +46,13 @@ struct qvi_group_mpi_s : public qvi_group_s {
     }
 
     virtual int
-    rank(void)
+    rank(void) const
     {
         return qvi_mpi_group_rank(m_mpi_group);
     }
 
     virtual int
-    size(void)
+    size(void) const
     {
         return qvi_mpi_group_size(m_mpi_group);
     }

src/qvi-group-omp.h

@@ -43,13 +43,13 @@ struct qvi_group_omp_s : public qvi_group_s {
     }
 
     virtual int
-    rank(void)
+    rank(void) const
     {
         return qvi_omp_group_id(m_ompgroup);
     }
 
     virtual int
-    size(void)
+    size(void) const
     {
         return qvi_omp_group_size(m_ompgroup);
     }

src/qvi-group-process.h

@@ -37,13 +37,13 @@ struct qvi_group_process_s : public qvi_group_s {
     }
 
     virtual int
-    rank(void)
+    rank(void) const
     {
         return qvi_process_group_id(m_proc_group);
     }
 
     virtual int
-    size(void)
+    size(void) const
     {
         return qvi_process_group_size(m_proc_group);
     }

src/qvi-group-pthread.h

@@ -37,13 +37,13 @@ struct qvi_group_pthread_s : public qvi_group_s {
     }
 
     virtual int
-    rank(void)
+    rank(void) const
     {
         return thgroup->rank();
     }
 
     virtual int
-    size(void)
+    size(void) const
     {
         return thgroup->size();
     }

src/qvi-group.h

@@ -39,10 +39,10 @@ struct qvi_group_s : qvi_refc_s {
     hwloc(void);
     /** Returns the number of members in this group. */
     virtual int
-    size(void) = 0;
+    size(void) const = 0;
     /** Returns the caller's group rank. */
     virtual int
-    rank(void) = 0;
+    rank(void) const = 0;
     /** Performs node-local group barrier. */
     virtual int
     barrier(void) = 0;

src/qvi-hwpool.cc

@@ -260,47 +260,47 @@ int
 qvi_hwpool_dev_s::unpack(
     byte_t *buffpos,
     size_t *bytes_written,
-    qvi_hwpool_dev_s *dev
+    qvi_hwpool_dev_s &dev
 ) {
     size_t bw = 0, total_bw = 0;
 
     int rc = qvi_bbuff_rmi_unpack_item(
-        &dev->m_hints, buffpos, &bw
+        &dev.m_hints, buffpos, &bw
     );
     if (qvi_unlikely(rc != QV_SUCCESS)) goto out;
     total_bw += bw;
     buffpos += bw;
 
     rc = qvi_bbuff_rmi_unpack_item(
-        dev->m_affinity, buffpos, &bw
+        dev.m_affinity, buffpos, &bw
     );
     if (qvi_unlikely(rc != QV_SUCCESS)) goto out;
     total_bw += bw;
     buffpos += bw;
 
     rc = qvi_bbuff_rmi_unpack_item(
-        &dev->m_type, buffpos, &bw
+        &dev.m_type, buffpos, &bw
     );
     if (qvi_unlikely(rc != QV_SUCCESS)) goto out;
     total_bw += bw;
     buffpos += bw;
 
     rc = qvi_bbuff_rmi_unpack_item(
-        &dev->m_id, buffpos, &bw
+        &dev.m_id, buffpos, &bw
     );
     if (qvi_unlikely(rc != QV_SUCCESS)) goto out;
     total_bw += bw;
     buffpos += bw;
 
     rc = qvi_bbuff_rmi_unpack_item(
-        dev->m_pci_bus_id, buffpos, &bw
+        dev.m_pci_bus_id, buffpos, &bw
     );
     if (qvi_unlikely(rc != QV_SUCCESS)) goto out;
     total_bw += bw;
     buffpos += bw;
 
     rc = qvi_bbuff_rmi_unpack_item(
-        dev->m_uuid, buffpos, &bw
+        dev.m_uuid, buffpos, &bw
     );
     if (qvi_unlikely(rc != QV_SUCCESS)) goto out;
     total_bw += bw;
@@ -453,9 +453,7 @@ qvi_hwpool_s::unpack(
     // Unpack and add the devices.
     for (size_t i = 0; i < ndev; ++i) {
         qvi_hwpool_dev_s dev;
-        rc = qvi_bbuff_rmi_unpack_item(
-            &dev, buffpos, &bw
-        );
+        rc = qvi_bbuff_rmi_unpack_item(dev, buffpos, &bw);
         if (qvi_unlikely(rc != QV_SUCCESS)) break;
         total_bw += bw;
         buffpos += bw;

src/qvi-hwpool.h

@@ -122,7 +122,7 @@ struct qvi_hwpool_dev_s : qvi_hwpool_res_s {
     unpack(
         byte_t *buffpos,
         size_t *bytes_written,
-        qvi_hwpool_dev_s *dev
+        qvi_hwpool_dev_s &dev
     );
 };