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-rw-r--r--src/tools/rbd/action/Wnbd.cc172
1 files changed, 172 insertions, 0 deletions
diff --git a/src/tools/rbd/action/Wnbd.cc b/src/tools/rbd/action/Wnbd.cc
new file mode 100644
index 000000000..85d2c7057
--- /dev/null
+++ b/src/tools/rbd/action/Wnbd.cc
@@ -0,0 +1,172 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "tools/rbd/ArgumentTypes.h"
+#include "tools/rbd/Shell.h"
+#include "tools/rbd/Utils.h"
+#include "include/stringify.h"
+#include "common/SubProcess.h"
+#include <iostream>
+#include <boost/algorithm/string.hpp>
+#include <boost/algorithm/string/predicate.hpp>
+#include <boost/program_options.hpp>
+
+namespace rbd {
+namespace action {
+namespace wnbd {
+
+namespace at = argument_types;
+namespace po = boost::program_options;
+
+#if defined(_WIN32)
+static int call_wnbd_cmd(const po::variables_map &vm,
+ const std::vector<std::string> &args,
+ const std::vector<std::string> &ceph_global_init_args) {
+ char exe_path[PATH_MAX];
+ ssize_t exe_path_bytes = get_self_exe_path(exe_path, PATH_MAX);
+
+ if (exe_path_bytes > 4) {
+ // Drop .exe suffix as we're going to add the "-wnbd" suffix.
+ exe_path[strlen(exe_path) - 4] = '\0';
+ exe_path_bytes -= 4;
+ }
+
+ if (exe_path_bytes < 0) {
+ strcpy(exe_path, "rbd-wnbd");
+ } else {
+ if (snprintf(exe_path + exe_path_bytes,
+ sizeof(exe_path) - exe_path_bytes,
+ "-wnbd") < 0) {
+ return -EOVERFLOW;
+ }
+ }
+
+ SubProcess process(exe_path, SubProcess::KEEP, SubProcess::KEEP, SubProcess::KEEP);
+
+ for (auto &arg : ceph_global_init_args) {
+ process.add_cmd_arg(arg.c_str());
+ }
+
+ for (auto &arg : args) {
+ process.add_cmd_arg(arg.c_str());
+ }
+
+ if (process.spawn()) {
+ std::cerr << "rbd: failed to run rbd-wnbd: " << process.err() << std::endl;
+ return -EINVAL;
+ }
+ int exit_code = process.join();
+ if (exit_code) {
+ std::cerr << "rbd: rbd-wnbd failed with error: " << process.err() << std::endl;
+ return exit_code;
+ }
+
+ return 0;
+}
+#endif
+
+int execute_list(const po::variables_map &vm,
+ const std::vector<std::string> &ceph_global_init_args) {
+#if !defined(_WIN32)
+ std::cerr << "rbd: wnbd is only supported on Windows" << std::endl;
+ return -EOPNOTSUPP;
+#else
+ std::vector<std::string> args;
+
+ args.push_back("list");
+
+ if (vm.count("format")) {
+ args.push_back("--format");
+ args.push_back(vm["format"].as<at::Format>().value);
+ }
+ if (vm["pretty-format"].as<bool>()) {
+ args.push_back("--pretty-format");
+ }
+
+ return call_wnbd_cmd(vm, args, ceph_global_init_args);
+#endif
+}
+
+int execute_map(const po::variables_map &vm,
+ const std::vector<std::string> &ceph_global_init_args) {
+#if !defined(_WIN32)
+ std::cerr << "rbd: wnbd is only supported on Windows" << std::endl;
+ return -EOPNOTSUPP;
+#else
+ std::vector<std::string> args;
+
+ args.push_back("map");
+ std::string img;
+ int r = utils::get_image_or_snap_spec(vm, &img);
+ if (r < 0) {
+ return r;
+ }
+ args.push_back(img);
+
+ if (vm["read-only"].as<bool>()) {
+ args.push_back("--read-only");
+ }
+
+ if (vm["exclusive"].as<bool>()) {
+ args.push_back("--exclusive");
+ }
+
+ if (vm.count("options")) {
+ utils::append_options_as_args(vm["options"].as<std::vector<std::string>>(),
+ &args);
+ }
+
+ return call_wnbd_cmd(vm, args, ceph_global_init_args);
+#endif
+}
+
+int execute_unmap(const po::variables_map &vm,
+ const std::vector<std::string> &ceph_global_init_args) {
+#if !defined(_WIN32)
+ std::cerr << "rbd: wnbd is only supported on Windows" << std::endl;
+ return -EOPNOTSUPP;
+#else
+ std::string image_name;
+
+ int r = utils::get_image_or_snap_spec(vm, &image_name);
+ if (r < 0) {
+ return r;
+ }
+
+ std::vector<std::string> args;
+
+ args.push_back("unmap");
+ args.push_back(image_name);
+
+ if (vm.count("options")) {
+ utils::append_options_as_args(vm["options"].as<std::vector<std::string>>(),
+ &args);
+ }
+
+ return call_wnbd_cmd(vm, args, ceph_global_init_args);
+#endif
+}
+
+int execute_attach(const po::variables_map &vm,
+ const std::vector<std::string> &ceph_global_init_args) {
+#if !defined(_WIN32)
+ std::cerr << "rbd: wnbd is only supported on Windows" << std::endl;
+#else
+ std::cerr << "rbd: wnbd attach command not supported" << std::endl;
+#endif
+ return -EOPNOTSUPP;
+}
+
+int execute_detach(const po::variables_map &vm,
+ const std::vector<std::string> &ceph_global_init_args) {
+#if !defined(_WIN32)
+ std::cerr << "rbd: wnbd is only supported on Windows" << std::endl;
+#else
+ std::cerr << "rbd: wnbd detach command not supported" << std::endl;
+#endif
+ return -EOPNOTSUPP;
+}
+
+} // namespace wnbd
+} // namespace action
+} // namespace rbd