Merge in conversion to C++.

[awesomized/libmemcached] / clients / memcat.cc

diff --git a/clients/memcat.cc b/clients/memcat.cc
new file mode 100644 (file)
index 0000000..12df347
--- /dev/null
+++ b/clients/memcat.cc
@@ -0,0 +1,242 @@
+/* LibMemcached
+ * Copyright (C) 2006-2009 Brian Aker
+ * All rights reserved.
+ *
+ * Use and distribution licensed under the BSD license.  See
+ * the COPYING file in the parent directory for full text.
+ *
+ * Summary:
+ *
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <inttypes.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <libmemcached/memcached.h>
+
+#include "utilities.h"
+
+#define PROGRAM_NAME "memcat"
+#define PROGRAM_DESCRIPTION "Cat a set of key values to stdout."
+
+
+/* Prototypes */
+void options_parse(int argc, char *argv[]);
+
+static int opt_binary= 0;
+static int opt_verbose= 0;
+static int opt_displayflag= 0;
+static char *opt_servers= NULL;
+static char *opt_hash= NULL;
+static char *opt_username;
+static char *opt_passwd;
+static char *opt_file;
+
+int main(int argc, char *argv[])
+{
+  memcached_st *memc;
+  char *string;
+  size_t string_length;
+  uint32_t flags;
+  memcached_return_t rc;
+  memcached_server_st *servers;
+
+  int return_code= 0;
+
+  options_parse(argc, argv);
+  initialize_sockets();
+
+  if (!opt_servers)
+  {
+    char *temp;
+
+    if ((temp= getenv("MEMCACHED_SERVERS")))
+      opt_servers= strdup(temp);
+    else
+    {
+      fprintf(stderr, "No Servers provided\n");
+      exit(1);
+    }
+  }
+
+  memc= memcached_create(NULL);
+  process_hash_option(memc, opt_hash);
+
+  servers= memcached_servers_parse(opt_servers);
+
+  memcached_server_push(memc, servers);
+  memcached_server_list_free(servers);
+  memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
+                         (uint64_t)opt_binary);
+
+  if (!initialize_sasl(memc, opt_username, opt_passwd))
+  {
+    memcached_free(memc);
+    return EXIT_FAILURE;
+  }
+
+  while (optind < argc)
+  {
+    string= memcached_get(memc, argv[optind], strlen(argv[optind]),
+                          &string_length, &flags, &rc);
+    if (rc == MEMCACHED_SUCCESS)
+    {
+      if (opt_displayflag)
+      {
+        if (opt_verbose)
+          printf("key: %s\nflags: ", argv[optind]);
+        printf("%x\n", flags);
+      }
+      else
+      {
+        if (opt_verbose)
+        {
+          printf("key: %s\nflags: %x\nlength: %lu\nvalue: ",
+                 argv[optind], flags, (unsigned long)string_length);
+        }
+
+        if (opt_file)
+        {
+          FILE *fp;
+          size_t written;
+
+          fp= fopen(opt_file, "w");
+          if (!fp)
+          {
+            perror("fopen");
+            return_code= -1;
+            break;
+          }
+
+          written= fwrite(string, 1, string_length, fp);
+          if (written != string_length) 
+          {
+            fprintf(stderr, "error writing file (written %lu, should be %lu)\n", (unsigned long)written, (unsigned long)string_length);
+            return_code= -1;
+            break;
+          }
+
+          if (fclose(fp))
+          {
+            fprintf(stderr, "error closing file\n");
+            return_code= -1;
+            break;
+          }
+        }
+        else
+        {
+            printf("%.*s\n", (int)string_length, string);
+        }
+        free(string);
+      }
+    }
+    else if (rc != MEMCACHED_NOTFOUND)
+    {
+      fprintf(stderr, "memcat: %s: memcache error %s",
+              argv[optind], memcached_strerror(memc, rc));
+      if (memcached_last_error_errno(memc))
+      {
+       fprintf(stderr, " system error %s", strerror(memcached_last_error_errno(memc)));
+      }
+      fprintf(stderr, "\n");
+
+      return_code= -1;
+      break;
+    }
+    else // Unknown Issue
+    {
+      fprintf(stderr, "memcat: %s not found\n", argv[optind]);
+      return_code= -1;
+    }
+    optind++;
+  }
+
+  memcached_free(memc);
+
+  if (opt_servers)
+    free(opt_servers);
+  if (opt_hash)
+    free(opt_hash);
+
+  shutdown_sasl();
+
+  return return_code;
+}
+
+
+void options_parse(int argc, char *argv[])
+{
+  int option_index= 0;
+  int option_rv;
+
+  memcached_programs_help_st help_options[]=
+  {
+    {0},
+  };
+
+  static struct option long_options[]=
+    {
+      {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
+      {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
+      {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
+      {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
+      {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
+      {(OPTIONSTRING)"flag", no_argument, &opt_displayflag, OPT_FLAG},
+      {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
+      {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
+      {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
+      {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
+      {(OPTIONSTRING)"file", required_argument, NULL, OPT_FILE},
+      {0, 0, 0, 0},
+    };
+
+  while (1)
+  {
+    option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
+    if (option_rv == -1) break;
+    switch (option_rv)
+    {
+    case 0:
+      break;
+    case OPT_BINARY:
+      opt_binary = 1;
+      break;
+    case OPT_VERBOSE: /* --verbose or -v */
+      opt_verbose = OPT_VERBOSE;
+      break;
+    case OPT_DEBUG: /* --debug or -d */
+      opt_verbose = OPT_DEBUG;
+      break;
+    case OPT_VERSION: /* --version or -V */
+      version_command(PROGRAM_NAME);
+      break;
+    case OPT_HELP: /* --help or -h */
+      help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
+      break;
+    case OPT_SERVERS: /* --servers or -s */
+      opt_servers= strdup(optarg);
+      break;
+    case OPT_HASH:
+      opt_hash= strdup(optarg);
+      break;
+    case OPT_USERNAME:
+      opt_username= optarg;
+      break;
+    case OPT_PASSWD:
+      opt_passwd= optarg;
+      break;
+    case OPT_FILE:
+      opt_file= optarg;
+      break;
+    case '?':
+      /* getopt_long already printed an error message. */
+      exit(1);
+    default:
+      abort();
+    }
+  }
+}