-/*
- Samba Unix/Linux SMB client library
- Distributed SMB/CIFS Server Management Utility
+/*
+ Samba Unix/Linux SMB client library
+ Distributed SMB/CIFS Server Management Utility
Copyright (C) Rafal Szczesniak 2002
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
#include "includes.h"
#include "net.h"
static void print_cache_entry(const char* keystr, const char* datastr,
const time_t timeout, void* dptr)
{
- char* timeout_str;
+ char *timeout_str;
+ char *alloc_str = NULL;
time_t now_t = time(NULL);
struct tm timeout_tm, *now_tm;
/* localtime returns statically allocated pointer, so timeout_tm
has to be copied somewhere else */
- memcpy(&timeout_tm, localtime(&timeout), sizeof(struct tm));
+
+ now_tm = localtime(&timeout);
+ if (!now_tm) {
+ return;
+ }
+ memcpy(&timeout_tm, now_tm, sizeof(struct tm));
now_tm = localtime(&now_t);
+ if (!now_tm) {
+ return;
+ }
/* form up timeout string depending whether it's today's date or not */
if (timeout_tm.tm_year != now_tm->tm_year ||
- timeout_tm.tm_mon != now_tm->tm_mon ||
- timeout_tm.tm_mday != now_tm->tm_mday) {
-
- timeout_str = asctime(&timeout_tm);
- timeout_str[strlen(timeout_str) - 1] = '\0'; /* remove tailing CR */
- } else
- asprintf(&timeout_str, "%.2d:%.2d:%.2d", timeout_tm.tm_hour,
- timeout_tm.tm_min, timeout_tm.tm_sec);
-
+ timeout_tm.tm_mon != now_tm->tm_mon ||
+ timeout_tm.tm_mday != now_tm->tm_mday) {
+
+ timeout_str = asctime(&timeout_tm);
+ if (!timeout_str) {
+ return;
+ }
+ timeout_str[strlen(timeout_str) - 1] = '\0'; /* remove tailing CR */
+ } else {
+ if (asprintf(&alloc_str, "%.2d:%.2d:%.2d", timeout_tm.tm_hour,
+ timeout_tm.tm_min, timeout_tm.tm_sec) == -1) {
+ return;
+ }
+ timeout_str = alloc_str;
+ }
+
d_printf("Key: %s\t Timeout: %s\t Value: %s %s\n", keystr,
timeout_str, datastr, timeout > now_t ? "": "(expired)");
+
+ SAFE_FREE(alloc_str);
}
static void delete_cache_entry(const char* keystr, const char* datastr,
const time_t timeout, void* dptr)
{
if (!gencache_del(keystr))
- d_printf("Couldn't delete entry! key = %s\n", keystr);
+ d_fprintf(stderr, "Couldn't delete entry! key = %s\n", keystr);
}
} else {
number_begin = 0;
}
-
+
/* unit detection */
len = strlen(timeout_str);
switch (timeout_str[len - 1]) {
case 'd':
case 'w': unit = timeout_str[len - 1];
}
-
+
/* number detection */
len = (sign) ? strlen(&timeout_str[number_begin]) : len;
number_end = (unit) ? len - 1 : len;
number = SMB_STRNDUP(&timeout_str[number_begin], number_end);
-
+
/* calculate actual timeout value */
timeout = (time_t)atoi(number);
case 'd': timeout *= 60*60*24; break;
case 'w': timeout *= 60*60*24*7; break; /* that's fair enough, I think :) */
}
-
+
switch (sign) {
case '!': timeout = time(NULL) - timeout; break;
case '+':
default: timeout += time(NULL); break;
}
-
+
if (number) SAFE_FREE(number);
- return timeout;
+ return timeout;
}
/**
* Add an entry to the cache. If it does exist, then set it.
- *
+ *
+ * @param c A net_context structure
* @param argv key, value and timeout are passed in command line
* @return 0 on success, otherwise failure
**/
-static int net_cache_add(int argc, const char **argv)
+static int net_cache_add(struct net_context *c, int argc, const char **argv)
{
const char *keystr, *datastr, *timeout_str;
time_t timeout;
-
- if (argc < 3) {
+
+ if (argc < 3 || c->display_usage) {
d_printf("\nUsage: net cache add <key string> <data string> <timeout>\n");
return -1;
}
-
+
keystr = argv[0];
datastr = argv[1];
timeout_str = argv[2];
-
+
/* parse timeout given in command line */
timeout = parse_timeout(timeout_str);
if (!timeout) {
- d_printf("Invalid timeout argument.\n");
+ d_fprintf(stderr, "Invalid timeout argument.\n");
return -1;
}
-
+
if (gencache_set(keystr, datastr, timeout)) {
d_printf("New cache entry stored successfully.\n");
gencache_shutdown();
return 0;
}
-
- d_printf("Entry couldn't be added. Perhaps there's already such a key.\n");
- gencache_shutdown();
- return -1;
-}
-
-
-/**
- * Set new value of an existing entry in the cache. Fail If the entry doesn't
- * exist.
- *
- * @param argv key being searched and new value and timeout to set in the entry
- * @return 0 on success, otherwise failure
- **/
-static int net_cache_set(int argc, const char **argv)
-{
- const char *keystr, *datastr, *timeout_str;
- time_t timeout;
-
- if (argc < 3) {
- d_printf("\nUsage: net cache set <key string> <data string> <timeout>\n");
- return -1;
- }
-
- keystr = argv[0];
- datastr = argv[1];
- timeout_str = argv[2];
-
- /* parse timeout given in command line */
- timeout = parse_timeout(timeout_str);
- if (!timeout) {
- d_printf("Invalid timeout argument.\n");
- return -1;
- }
-
- if (gencache_set_only(keystr, datastr, timeout)) {
- d_printf("Cache entry set successfully.\n");
- gencache_shutdown();
- return 0;
- }
- d_printf("Entry couldn't be set. Perhaps there's no such a key.\n");
+ d_fprintf(stderr, "Entry couldn't be added. Perhaps there's already such a key.\n");
gencache_shutdown();
return -1;
}
-
/**
* Delete an entry in the cache
- *
+ *
+ * @param c A net_context structure
* @param argv key to delete an entry of
* @return 0 on success, otherwise failure
**/
-static int net_cache_del(int argc, const char **argv)
+static int net_cache_del(struct net_context *c, int argc, const char **argv)
{
const char *keystr = argv[0];
-
- if (argc < 1) {
+
+ if (argc < 1 || c->display_usage) {
d_printf("\nUsage: net cache del <key string>\n");
return -1;
}
-
+
if(gencache_del(keystr)) {
d_printf("Entry deleted.\n");
return 0;
}
- d_printf("Couldn't delete specified entry\n");
+ d_fprintf(stderr, "Couldn't delete specified entry\n");
return -1;
}
/**
* Get and display an entry from the cache
- *
+ *
+ * @param c A net_context structure
* @param argv key to search an entry of
* @return 0 on success, otherwise failure
**/
-static int net_cache_get(int argc, const char **argv)
+static int net_cache_get(struct net_context *c, int argc, const char **argv)
{
const char* keystr = argv[0];
char* valuestr;
time_t timeout;
- if (argc < 1) {
+ if (argc < 1 || c->display_usage) {
d_printf("\nUsage: net cache get <key>\n");
return -1;
}
-
+
if (gencache_get(keystr, &valuestr, &timeout)) {
print_cache_entry(keystr, valuestr, timeout, NULL);
return 0;
}
- d_printf("Failed to find entry\n");
+ d_fprintf(stderr, "Failed to find entry\n");
return -1;
}
/**
* Search an entry/entries in the cache
- *
+ *
+ * @param c A net_context structure
* @param argv key pattern to match the entries to
* @return 0 on success, otherwise failure
**/
-static int net_cache_search(int argc, const char **argv)
+static int net_cache_search(struct net_context *c, int argc, const char **argv)
{
const char* pattern;
-
- if (argc < 1) {
+
+ if (argc < 1 || c->display_usage) {
d_printf("Usage: net cache search <pattern>\n");
return -1;
}
-
+
pattern = argv[0];
gencache_iterate(print_cache_entry, NULL, pattern);
return 0;
/**
* List the contents of the cache
- *
+ *
+ * @param c A net_context structure
* @param argv ignored in this functionailty
* @return always returns 0
**/
-static int net_cache_list(int argc, const char **argv)
+static int net_cache_list(struct net_context *c, int argc, const char **argv)
{
const char* pattern = "*";
+
+ if (c->display_usage) {
+ d_printf("Usage:\n"
+ "net cache list\n"
+ " List all cache entries.\n");
+ return 0;
+ }
gencache_iterate(print_cache_entry, NULL, pattern);
gencache_shutdown();
return 0;
/**
* Flush the whole cache
- *
+ *
+ * @param c A net_context structure
* @param argv ignored in this functionality
* @return always returns 0
**/
-static int net_cache_flush(int argc, const char **argv)
+static int net_cache_flush(struct net_context *c, int argc, const char **argv)
{
const char* pattern = "*";
+ if (c->display_usage) {
+ d_printf("Usage:\n"
+ "net cache flush\n"
+ " Delete all cache entries.\n");
+ return 0;
+ }
gencache_iterate(delete_cache_entry, NULL, pattern);
gencache_shutdown();
return 0;
}
-
-/**
- * Short help
- *
- * @param argv ignored in this functionality
- * @return always returns -1
- **/
-static int net_cache_usage(int argc, const char **argv)
-{
- d_printf(" net cache add \t add add new cache entry\n");
- d_printf(" net cache set \t set new value for existing cache entry\n");
- d_printf(" net cache del \t delete existing cache entry by key\n");
- d_printf(" net cache flush \t delete all entries existing in the cache\n");
- d_printf(" net cache get \t get cache entry by key\n");
- d_printf(" net cache search \t search for entries in the cache, by given pattern\n");
- d_printf(" net cache list \t list all cache entries (just like search for \"*\")\n");
- return -1;
-}
-
-
/**
* Entry point to 'net cache' subfunctionality
*
+ * @param c A net_context structure
* @param argv arguments passed to further called functions
* @return whatever further functions return
**/
-int net_cache(int argc, const char **argv)
+int net_cache(struct net_context *c, int argc, const char **argv)
{
struct functable func[] = {
- {"add", net_cache_add},
- {"set", net_cache_set},
- {"del", net_cache_del},
- {"get", net_cache_get},
- {"search", net_cache_search},
- {"list", net_cache_list},
- {"flush", net_cache_flush},
- {NULL, NULL}
+ {
+ "add",
+ net_cache_add,
+ NET_TRANSPORT_LOCAL,
+ "Add new cache entry",
+ "net cache add <key string> <data string> <timeout>\n"
+ " Add new cache entry.\n"
+ " key string\tKey string to add cache data under.\n"
+ " data string\tData to store under given key.\n"
+ " timeout\tTimeout for cache data."
+ },
+ {
+ "del",
+ net_cache_del,
+ NET_TRANSPORT_LOCAL,
+ "Delete existing cache entry by key",
+ "net cache del <key string>\n"
+ " Delete existing cache entry by key.\n"
+ " key string\tKey string to delete."
+ },
+ {
+ "get",
+ net_cache_get,
+ NET_TRANSPORT_LOCAL,
+ "Get cache entry by key",
+ "net cache get <key string>\n"
+ " Get cache entry by key.\n"
+ " key string\tKey string to look up cache entry for."
+
+ },
+ {
+ "search",
+ net_cache_search,
+ NET_TRANSPORT_LOCAL,
+ "Search entry by pattern",
+ "net cache search <pattern>\n"
+ " Search entry by pattern.\n"
+ " pattern\tPattern to search for in cache."
+ },
+ {
+ "list",
+ net_cache_list,
+ NET_TRANSPORT_LOCAL,
+ "List all cache entries",
+ "net cache list\n"
+ " List all cache entries"
+ },
+ {
+ "flush",
+ net_cache_flush,
+ NET_TRANSPORT_LOCAL,
+ "Delete all cache entries",
+ "net cache flush\n"
+ " Delete all cache entries"
+ },
+ {NULL, NULL, 0, NULL, NULL}
};
- return net_run_function(argc, argv, func, net_cache_usage);
+ return net_run_function(c, argc, argv, "net cache", func);
}
git.samba.org / ira / wip.git / blobdiff