1 files changed, 112 insertions, 0 deletions
diff --git a/src/common/cmdparse.h b/src/common/cmdparse.h
new file mode 100644
index 000000000..112c24930
--- /dev/null
+++ b/src/common/cmdparse.h
@@ -0,0 +1,112 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- 
+// vim: ts=8 sw=2 smarttab
+#ifndef CEPH_COMMON_CMDPARSE_H
+#define CEPH_COMMON_CMDPARSE_H
+
+#include <vector>
+#include <stdexcept>
+#include <ostream>
+#include <boost/variant.hpp>
+#include "include/ceph_assert.h"	// boost clobbers this
+#include "include/common_fwd.h"
+#include "common/Formatter.h"
+#include "common/BackTrace.h"
+
+typedef boost::variant<std::string,
+		       bool,
+		       int64_t,
+		       double,
+		       std::vector<std::string>,
+		       std::vector<int64_t>,
+		       std::vector<double>>  cmd_vartype;
+typedef std::map<std::string, cmd_vartype, std::less<>> cmdmap_t;
+
+namespace TOPNSPC::common {
+std::string cmddesc_get_prefix(const std::string_view &cmddesc);
+std::string cmddesc_get_prenautilus_compat(const std::string &cmddesc);
+void dump_cmd_to_json(ceph::Formatter *f, uint64_t features,
+                      const std::string& cmd);
+void dump_cmd_and_help_to_json(ceph::Formatter *f,
+			       uint64_t features,
+			       const std::string& secname,
+			       const std::string& cmd,
+			       const std::string& helptext);
+void dump_cmddesc_to_json(ceph::Formatter *jf,
+		          uint64_t features,
+		          const std::string& secname,
+		          const std::string& cmdsig,
+		          const std::string& helptext,
+		          const std::string& module,
+		          const std::string& perm,
+		          uint64_t flags);
+bool cmdmap_from_json(const std::vector<std::string>& cmd, cmdmap_t *mapp,
+		      std::ostream& ss);
+void cmdmap_dump(const cmdmap_t &cmdmap, ceph::Formatter *f);
+void handle_bad_get(CephContext *cct, const std::string& k, const char *name);
+
+std::string cmd_vartype_stringify(const cmd_vartype& v);
+
+struct bad_cmd_get : public std::exception {
+  std::string desc;
+  bad_cmd_get(const std::string& f, const cmdmap_t& cmdmap) {
+    desc = "bad or missing field '" + f + "'";
+  }
+  const char *what() const throw() override {
+    return desc.c_str();
+  }
+};
+
+bool cmd_getval(const cmdmap_t& cmdmap,
+		const std::string& k, bool& val);
+
+template <typename T>
+bool cmd_getval(const cmdmap_t& cmdmap,
+		const std::string& k, T& val)
+{
+  if (cmdmap.count(k)) {
+    try {
+      val = boost::get<T>(cmdmap.find(k)->second);
+      return true;
+    } catch (boost::bad_get&) {
+      throw bad_cmd_get(k, cmdmap);
+    }
+  }
+  return false;
+}
+
+// with default
+
+template <typename T>
+bool cmd_getval(
+  const cmdmap_t& cmdmap, const std::string& k,
+  T& val, const T& defval)
+{
+  if (cmdmap.count(k)) {
+    try {
+      val = boost::get<T>(cmdmap.find(k)->second);
+      return true;
+    } catch (boost::bad_get&) {
+      throw bad_cmd_get(k, cmdmap);
+    }
+  } else {
+    val = defval;
+    return true;
+  }
+}
+
+template <typename T>
+void
+cmd_putval(CephContext *cct, cmdmap_t& cmdmap, const std::string& k, const T& val)
+{
+  cmdmap[k] = val;
+}
+
+bool validate_cmd(CephContext* cct,
+		  const std::string& desc,
+		  const cmdmap_t& cmdmap,
+		  std::ostream& os);
+extern int parse_osd_id(const char *s, std::ostream *pss);
+extern long parse_pos_long(const char *s, std::ostream *pss = NULL);
+
+}
+#endif