hook/comm_method: Use enum flags to select protocols

Signed-off-by: Joshua Hursey <[email protected]>

Author: jjhursey

ompi/mca/hook/comm_method/hook_comm_method_component.c

@@ -74,13 +74,21 @@ int mca_hook_comm_method_max = 12;
 int mca_hook_comm_method_brief = 0;
 char *mca_hook_comm_method_fakefile = NULL;
 
-mca_base_var_enum_value_t mca_hook_comm_method_modes[] = {
-    {1, "init"},
-    {1, "mpi_init"},
-    {2, "finalize"},
-    {2, "mpi_finalize"},
-    {3, "all"},
-    {0, NULL}
+enum mca_hook_comm_method_mode_flags_t {
+    /* Default: Display nothing */
+    OMPI_HOOK_COMM_METHOD_NONE = 0x01,
+    /* Display on MPI_INIT */
+    OMPI_HOOK_COMM_METHOD_INIT = 0x02,
+    /* Display on MPI_FINALIZE */
+    OMPI_HOOK_COMM_METHOD_FINALIZE = 0x04,
+};
+
+static mca_base_var_enum_value_flag_t mca_hook_comm_method_modes[] = {
+    {.flag = OMPI_HOOK_COMM_METHOD_NONE, .string = "none",
+     .conflicting_flag = OMPI_HOOK_COMM_METHOD_INIT | OMPI_HOOK_COMM_METHOD_FINALIZE},
+    {.flag = OMPI_HOOK_COMM_METHOD_INIT, .string = "mpi_init"},
+    {.flag = OMPI_HOOK_COMM_METHOD_FINALIZE, .string = "mpi_finalize"},
+    {0, NULL, 0}
 };
 
 
@@ -99,8 +107,8 @@ static int ompi_hook_comm_method_component_close(void)
 static int ompi_hook_comm_method_component_register(void)
 {
     int ret;
-    int mca_hook_comm_method_enabled = -1;
-    mca_base_var_enum_t *new_enum = NULL;
+    mca_base_var_enum_flag_t *mca_hook_comm_method_flags = NULL;
+    uint32_t mca_hook_comm_method_enabled_flags = OMPI_HOOK_COMM_METHOD_NONE;
 
     /*
      * Component verbosity level
@@ -145,27 +153,27 @@ static int ompi_hook_comm_method_component_register(void)
                                            &mca_hook_comm_method_enable_mpi_finalize);
 
     // User can set the comm_method mca variable too
-    mca_base_var_enum_create("ompi_comm_method", mca_hook_comm_method_modes, &new_enum);
+    mca_base_var_enum_create_flag("ompi_comm_method", mca_hook_comm_method_modes, &mca_hook_comm_method_flags);
+    
     ret = mca_base_var_register("ompi", NULL, NULL, "comm_method",
-                                "Enable the communication protocol report: when MPI_INIT is invoked (using the '1', 'init', or 'mpi_init' values), when MPI_FINALIZE is inboked (using the '2', 'finalize', or 'mpi_finalize' values), or when both are invoked (using the '3', or 'all' values)",
-                                MCA_BASE_VAR_TYPE_INT, new_enum,
+                                "Enable the communication protocol report: when MPI_INIT is invoked (using the 'mpi_init' value) and/or when MPI_FINALIZE is invoked (using the 'mpi_finalize' value).",
+                                MCA_BASE_VAR_TYPE_UNSIGNED_INT,
+                                &mca_hook_comm_method_flags->super,
                                 0, 0,
                                 OPAL_INFO_LVL_3,
                                 MCA_BASE_VAR_SCOPE_READONLY,
-                                &mca_hook_comm_method_enabled);
-    OBJ_RELEASE(new_enum);
+                                &mca_hook_comm_method_enabled_flags);
+    OBJ_RELEASE(mca_hook_comm_method_flags);
     if(OPAL_ERR_VALUE_OUT_OF_BOUNDS == ret) {
-        opal_output(0, "hook:comm_method: Warning invalid prot mode specified: %d", mca_hook_comm_method_enabled);
-    }
-    else if( 1 == mca_hook_comm_method_enabled ) {
-        mca_hook_comm_method_enable_mpi_init = true;
+        opal_output(0, "hook:comm_method: Warning invalid comm_method specified.");
     }
-    else if( 2 == mca_hook_comm_method_enabled ) {
-        mca_hook_comm_method_enable_mpi_finalize = true;
-    }
-    else if( 3 == mca_hook_comm_method_enabled ) {
-        mca_hook_comm_method_enable_mpi_init = true;
-        mca_hook_comm_method_enable_mpi_finalize = true;
+    else {
+        if( mca_hook_comm_method_enabled_flags & OMPI_HOOK_COMM_METHOD_INIT ) {
+            mca_hook_comm_method_enable_mpi_init = true;
+        }
+        if( mca_hook_comm_method_enabled_flags & OMPI_HOOK_COMM_METHOD_FINALIZE ) {
+            mca_hook_comm_method_enable_mpi_finalize = true;
+        }
     }
 
     // comm_method_max