add function fc_server_get_group_by_index

src/connection_pool.h

@@ -42,7 +42,8 @@ extern "C" {
 
 typedef enum {
     fc_comm_type_sock = 0,
-    fc_comm_type_rdma
+    fc_comm_type_rdma,
+    fc_comm_type_both
 } FCCommunicationType;
 
 typedef struct {

src/server_id_func.h

@@ -141,6 +141,16 @@ static inline FCServerInfo *fc_server_get_by_ip_port(FCServerConfig *ctx,
 FCServerGroupInfo *fc_server_get_group_by_name(FCServerConfig *ctx,
         const string_t *group_name);
 
+static inline FCServerGroupInfo *fc_server_get_group_by_index(
+        FCServerConfig *ctx, const int index)
+{
+    if (index < 0 || index >= ctx->group_array.count) {
+        return NULL;
+    }
+
+    return ctx->group_array.groups + index;
+}
+
 static inline int fc_server_get_group_index_ex(FCServerConfig *ctx,
         const string_t *group_name)
 {