bin: consolidate clients

[awesomized/libmemcached] / src / bin / memping.cc

diff --git a/src/bin/memping.cc b/src/bin/memping.cc
index ba9c1ab236f802a47665b41e96f9881ad74d7420..d875280ead6af5f4135fcbe80a93675fcca1879c 100644 (file)
--- a/src/bin/memping.cc
+++ b/src/bin/memping.cc
@@ -15,6 +15,82 @@
 
 #include "mem_config.h"
 
+#define PROGRAM_NAME        "memping"
+#define PROGRAM_DESCRIPTION "Ping a server or a set of servers."
+#define PROGRAM_VERSION     "1.1"
+
+#include "common/options.hpp"
+#include "common/checks.hpp"
+
+#include "libmemcached/util.h"
+
+static memcached_return_t ping(const memcached_st *memc, const memcached_instance_st *s, void *ctx) {
+  auto opt = static_cast<client_options *>(ctx);
+  memcached_return_t rc;
+  bool ok;
+
+  if (opt->isset("debug")) {
+    std::cerr << "Trying to ping" << s->_hostname << ":" << s->port() << ".\n";
+  }
+
+  if (auto username = opt->argof("username")) {
+    auto password = opt->argof("password");
+    ok = libmemcached_util_ping2(s->_hostname, s->port(), username, password, &rc);
+  } else {
+    ok = libmemcached_util_ping(s->_hostname, s->port(), &rc);
+  }
+  if (!ok && !opt->isset("quiet")) {
+    std::cerr << "Failed to ping '" << s->_hostname << ":" << s->port()
+              << ":" << memcached_strerror(memc, rc) << ".\n";
+  }
+
+  return rc;
+}
+
+int main(int argc, char *argv[]) {
+  client_options opt{PROGRAM_NAME, PROGRAM_VERSION, PROGRAM_DESCRIPTION};
+
+  for (const auto &def : opt.defaults) {
+    switch (def.opt.val) {
+    case 'h': // --help
+    case 'V': // --version
+    case 'v': // --verbose
+    case 'd': // --debug
+    case 'q': // --quiet
+    case 's': // --servers
+    case 'u': // --username
+    case 'p': // --password
+      opt.add(def);
+      break;
+    default:
+      break;
+    }
+  }
+
+  if (!opt.parse(argc, argv, nullptr)) {
+    exit(EXIT_FAILURE);
+  }
+
+  memcached_st memc;
+  if (!check_memcached(opt, memc)) {
+    exit(EXIT_FAILURE);
+  }
+
+  if (!opt.apply(&memc)) {
+    memcached_free(&memc);
+    exit(EXIT_FAILURE);
+  }
+
+  auto exit_code = EXIT_SUCCESS;
+  memcached_server_fn cb[1] = {&ping};
+  if (!memcached_success(memcached_server_cursor(&memc, cb, &opt, 1))) {
+    exit_code = EXIT_FAILURE;
+  }
+
+  memcached_free(&memc);
+  exit(exit_code);
+}
+
 #include <cerrno>
 #include <cstdio>
 #include <cstring>
@@ -146,7 +222,7 @@ void options_parse(int argc, char *argv[]) {
     case OPT_EXPIRE: /* --expire */
       errno = 0;
       opt_expire = time_t(strtoll(optarg, (char **) NULL, 10));
-      if (errno != 0) {
+      if (errno) {
         std::cerr << "Incorrect value passed to --expire: `" << optarg << "`" << std::endl;
         exit(EXIT_FAILURE);
       }