/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2009 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2010 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
This program is Free Software; you can redistribute it and/or
- modify it under the terms of version two of the GNU General Public
+ modify it under the terms of version three of the GNU Affero General Public
License as published by the Free Software Foundation and included
in the file LICENSE.
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
+ You should have received a copy of the GNU Affero General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
*
* Kern Sibbald, September MM
*
- * Version $Id$
*/
#include "bacula.h"
static int execcmd(FILE *input, BSOCK *UA_sock);
#ifdef HAVE_READLINE
static int eolcmd(FILE *input, BSOCK *UA_sock);
+
+# ifndef HAVE_REGEX_H
+# include "lib/bregex.h"
+# else
+# include <regex.h>
+# endif
+
#endif
bool at_prompt = false;
int tty_input = isatty(fileno(input));
int stat;
- btimer_t *tid;
+ btimer_t *tid=NULL;
for ( ;; ) {
if (at_prompt) { /* don't prompt multiple times */
break; /* error or interrupt */
} else if (stat == 0) { /* timeout */
if (strcmp(prompt, "*") == 0) {
- if (timeout) tid = start_bsock_timer(UA_sock, timeout);
- bnet_fsend(UA_sock, ".messages");
- if (timeout) stop_bsock_timer(tid);
+ tid = start_bsock_timer(UA_sock, timeout);
+ UA_sock->fsend(".messages");
+ stop_bsock_timer(tid);
} else {
continue;
}
} else {
- at_prompt = FALSE;
+ at_prompt = false;
/* @ => internal command for us */
if (UA_sock->msg[0] == '@') {
parse_args(UA_sock->msg, &args, &argc, argk, argv, MAX_CMD_ARGS);
}
continue;
}
- if (timeout) tid = start_bsock_timer(UA_sock, timeout);
- if (!bnet_send(UA_sock)) { /* send command */
- if (timeout) stop_bsock_timer(tid);
+ tid = start_bsock_timer(UA_sock, timeout);
+ if (!UA_sock->send()) { /* send command */
+ stop_bsock_timer(tid);
break; /* error */
}
- if (timeout) stop_bsock_timer(tid);
+ stop_bsock_timer(tid);
}
if (strcmp(UA_sock->msg, ".quit") == 0 || strcmp(UA_sock->msg, ".exit") == 0) {
break;
}
- if (timeout) tid = start_bsock_timer(UA_sock, timeout);
- while ((stat = bnet_recv(UA_sock)) >= 0) {
+ tid = start_bsock_timer(UA_sock, timeout);
+ while ((stat = UA_sock->recv()) >= 0) {
if (at_prompt) {
if (!stop) {
sendit("\n");
sendit(UA_sock->msg);
}
}
- if (timeout) stop_bsock_timer(tid);
+ stop_bsock_timer(tid);
if (usrbrk() > 1) {
break;
} else {
if (is_bnet_stop(UA_sock)) {
break; /* error or term */
} else if (stat == BNET_SIGNAL) {
- if (UA_sock->msglen == BNET_PROMPT) {
+ if (UA_sock->msglen == BNET_SUB_PROMPT) {
at_prompt = true;
}
Dmsg1(100, "Got poll %s\n", bnet_sig_to_ascii(UA_sock));
#include "readline.h"
#include "history.h"
+/* Get the first keyword of the line */
+static char *
+get_first_keyword()
+{
+ char *ret=NULL;
+ int len;
+ char *first_space = strchr(rl_line_buffer, ' ');
+ if (first_space) {
+ len = first_space - rl_line_buffer;
+ ret = (char *) malloc((len + 1) * sizeof(char));
+ memcpy(ret, rl_line_buffer, len);
+ ret[len]=0;
+ }
+ return ret;
+}
+
+/*
+ * Return the command before the current point.
+ * Set nb to the number of command to skip
+ */
+static char *
+get_previous_keyword(int current_point, int nb)
+{
+ int i, end=-1, start, inquotes=0;
+ char *s=NULL;
+
+ while (nb-- >= 0) {
+ /* first we look for a space before the current word */
+ for (i = current_point; i >= 0; i--) {
+ if (rl_line_buffer[i] == ' ' || rl_line_buffer[i] == '=') {
+ break;
+ }
+ }
+
+ /* find the end of the command */
+ for (; i >= 0; i--) {
+ if (rl_line_buffer[i] != ' ') {
+ end = i;
+ break;
+ }
+ }
+
+ /* no end of string */
+ if (end == -1) {
+ return NULL;
+ }
+
+ /* look for the start of the command */
+ for (start = end; start > 0; start--) {
+ if (rl_line_buffer[start] == '"') {
+ inquotes = !inquotes;
+ }
+ if ((rl_line_buffer[start - 1] == ' ') && inquotes == 0) {
+ break;
+ }
+ current_point = start;
+ }
+ }
+
+ s = (char *)malloc(end - start + 2);
+ memcpy(s, rl_line_buffer + start, end - start + 1);
+ s[end - start + 1] = 0;
+
+ // printf("=======> %i:%i <%s>\n", start, end, s);
+
+ return s;
+}
+
+/* Simple structure that will contain the completion list */
+struct ItemList {
+ alist list;
+};
+
+static ItemList *items = NULL;
+void init_items()
+{
+ if (!items) {
+ items = (ItemList*) malloc(sizeof(ItemList));
+ memset(items, 0, sizeof(ItemList));
+
+ } else {
+ items->list.destroy();
+ }
+
+ items->list.init();
+}
+
+/* Match a regexp and add the result to the items list
+ * This function is recursive
+ */
+static void match_kw(regex_t *preg, const char *what, int len, POOLMEM **buf)
+{
+ int rc, size;
+ int nmatch=20;
+ regmatch_t pmatch[20];
+
+ if (len <= 0) {
+ return;
+ }
+ rc = regexec(preg, what, nmatch, pmatch, 0);
+ if (rc == 0) {
+#if 0
+ Pmsg1(0, "\n\n%s\n0123456789012345678901234567890123456789\n 10 20 30\n", what);
+ Pmsg2(0, "%i-%i\n", pmatch[0].rm_so, pmatch[0].rm_eo);
+ Pmsg2(0, "%i-%i\n", pmatch[1].rm_so, pmatch[1].rm_eo);
+ Pmsg2(0, "%i-%i\n", pmatch[2].rm_so, pmatch[2].rm_eo);
+ Pmsg2(0, "%i-%i\n", pmatch[3].rm_so, pmatch[3].rm_eo);
+#endif
+ size = pmatch[1].rm_eo - pmatch[1].rm_so;
+ *buf = check_pool_memory_size(*buf, size + 1);
+ memcpy(*buf, what+pmatch[1].rm_so, size);
+ (*buf)[size] = 0;
+
+ items->list.append(bstrdup(*buf));
+ /* We search for the next keyword in the line */
+ match_kw(preg, what + pmatch[1].rm_eo, len - pmatch[1].rm_eo, buf);
+ }
+}
+
+/* fill the items list with the output of the help command */
+void get_arguments(const char *what)
+{
+ regex_t preg;
+ POOLMEM *buf;
+ int rc;
+ init_items();
+
+ rc = regcomp(&preg, "(([a-z]+=)|([a-z]+)( |$))", REG_EXTENDED);
+ if (rc != 0) {
+ return;
+ }
+
+ buf = get_pool_memory(PM_MESSAGE);
+ UA_sock->fsend(".help item=%s", what);
+ while (UA_sock->recv() > 0) {
+ strip_trailing_junk(UA_sock->msg);
+ match_kw(&preg, UA_sock->msg, UA_sock->msglen, &buf);
+ }
+ free_pool_memory(buf);
+ regfree(&preg);
+}
+
+/* retreive a simple list (.pool, .client) and store it into items */
+void get_items(const char *what)
+{
+ init_items();
+
+ UA_sock->fsend("%s", what);
+ while (UA_sock->recv() > 0) {
+ strip_trailing_junk(UA_sock->msg);
+ items->list.append(bstrdup(UA_sock->msg));
+ }
+}
+
+typedef enum
+{
+ ITEM_ARG, /* item with simple list like .job */
+ ITEM_HELP /* use help item=xxx and detect all arguments */
+} cpl_item_t;
+
+/* Generator function for command completion. STATE lets us know whether
+ * to start from scratch; without any state (i.e. STATE == 0), then we
+ * start at the top of the list.
+ */
+static char *item_generator(const char *text, int state,
+ const char *item, cpl_item_t type)
+{
+ static int list_index, len;
+ char *name;
+
+ /* If this is a new word to complete, initialize now. This includes
+ * saving the length of TEXT for efficiency, and initializing the index
+ * variable to 0.
+ */
+ if (!state)
+ {
+ list_index = 0;
+ len = strlen(text);
+ switch(type) {
+ case ITEM_ARG:
+ get_items(item);
+ break;
+ case ITEM_HELP:
+ get_arguments(item);
+ break;
+ }
+ }
+
+ /* Return the next name which partially matches from the command list. */
+ while (items && list_index < items->list.size())
+ {
+ name = (char *)items->list[list_index];
+ list_index++;
+
+ if (strncmp(name, text, len) == 0) {
+ char *ret = (char *) actuallymalloc(strlen(name)+1);
+ strcpy(ret, name);
+ return ret;
+ }
+ }
+
+ /* If no names matched, then return NULL. */
+ return ((char *)NULL);
+}
+
+/* gobal variables for the type and the item to search
+ * the readline API doesn' permit to pass user data.
+ */
+static const char *cpl_item;
+static cpl_item_t cpl_type;
+
+static char *cpl_generator(const char *text, int state)
+{
+ return item_generator(text, state, cpl_item, cpl_type);
+}
+
+/* this function is used to not use the default filename completion */
+static char *dummy_completion_function(const char *text, int state)
+{
+ return NULL;
+}
+
+struct cpl_keywords_t {
+ const char *key;
+ const char *cmd;
+};
+
+static struct cpl_keywords_t cpl_keywords[] = {
+ {"pool=", ".pool" },
+ {"fileset=", ".fileset" },
+ {"client=", ".client" },
+ {"job=", ".job" },
+ {"level=", ".level" },
+ {"storage=", ".storage" },
+ {"schedule=", ".schedule" },
+ {"volume=", ".media" },
+ {"oldvolume=", ".media" },
+ {"volstatus=", ".volstatus" },
+ {"ls", ".ls" },
+ {"cd", ".lsdir" },
+ {"mark", ".ls" },
+ {"m", ".ls" },
+ {"unmark", ".lsmark" },
+ {"actiononpurge=", ".actiononpurge" }
+};
+#define key_size ((int)(sizeof(cpl_keywords)/sizeof(struct cpl_keywords_t)))
+
+/* Attempt to complete on the contents of TEXT. START and END bound the
+ * region of rl_line_buffer that contains the word to complete. TEXT is
+ * the word to complete. We can use the entire contents of rl_line_buffer
+ * in case we want to do some simple parsing. Return the array of matches,
+ * or NULL if there aren't any.
+ */
+static char **readline_completion(const char *text, int start, int end)
+{
+ bool found=false;
+ char **matches;
+ char *s, *cmd;
+ matches = (char **)NULL;
+
+ /* If this word is at the start of the line, then it is a command
+ * to complete. Otherwise it is the name of a file in the current
+ * directory.
+ */
+ s = get_previous_keyword(start, 0);
+ cmd = get_first_keyword();
+ if (s) {
+ for (int i=0; i < key_size; i++) {
+ if (!strcasecmp(s, cpl_keywords[i].key)) {
+ cpl_item = cpl_keywords[i].cmd;
+ cpl_type = ITEM_ARG;
+ matches = rl_completion_matches(text, cpl_generator);
+ found=true;
+ break;
+ }
+ }
+
+ if (!found) { /* we try to get help with the first command */
+ cpl_item = cmd;
+ cpl_type = ITEM_HELP;
+ /* we don't want to append " " at the end */
+ rl_completion_suppress_append=true;
+ matches = rl_completion_matches(text, cpl_generator);
+ }
+ free(s);
+ } else { /* nothing on the line, display all commands */
+ cpl_item = ".help all";
+ cpl_type = ITEM_ARG;
+ matches = rl_completion_matches(text, cpl_generator);
+ }
+ if (cmd) {
+ free(cmd);
+ }
+ return (matches);
+}
+
static char eol = '\0';
static int eolcmd(FILE *input, BSOCK *UA_sock)
{
using_history();
ret = read_history(histfile);
-
+ /* Tell the completer that we want a complete . */
+ rl_completion_entry_function = dummy_completion_function;
+ rl_attempted_completion_function = readline_completion;
+ rl_filename_completion_desired = 0;
+ stifle_history(100);
#endif
return ret;
textdomain("bacula");
init_stack_dump();
+ lmgr_init_thread();
my_name_is(argc, argv, "bconsole");
init_msg(NULL, NULL);
working_directory = "/tmp";