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authorAndrew Tridgell <tridge@samba.org>2001-03-18 23:41:53 +0000
committerAndrew Tridgell <tridge@samba.org>2001-03-18 23:41:53 +0000
commitbc25293f96fb559b875d03e6ddbd9079b4af9dff (patch)
treedf695c86979cc74c6311967e68e256f5fb2fc5f5 /source3
parentcf313f6232e02577b0d79cc90e74cf8f20a81896 (diff)
downloadsamba-bc25293f96fb559b875d03e6ddbd9079b4af9dff.tar.gz
samba-bc25293f96fb559b875d03e6ddbd9079b4af9dff.tar.bz2
samba-bc25293f96fb559b875d03e6ddbd9079b4af9dff.zip
much simpler readline code
should work with readline 2.x (This used to be commit 7940b6b0cf614ac72266d9e600220c9a9dbd2a43)
Diffstat (limited to 'source3')
-rw-r--r--source3/client/client.c95
-rw-r--r--source3/include/includes.h2
-rw-r--r--source3/include/proto.h5
-rw-r--r--source3/include/smb_readline.h46
-rw-r--r--source3/lib/readline.c117
5 files changed, 89 insertions, 176 deletions
diff --git a/source3/client/client.c b/source3/client/client.c
index 082594dbf2..83e1c696a4 100644
--- a/source3/client/client.c
+++ b/source3/client/client.c
@@ -93,10 +93,6 @@ pstring fileselection = "";
extern file_info def_finfo;
-/* readline variables */
-static pstring command_line;
-static int readline_event;
-
/* timing globals */
int get_total_size = 0;
int get_total_time_ms = 0;
@@ -933,7 +929,6 @@ static BOOL do_mkdir(char *name)
****************************************************************************/
static void cmd_quit(void)
{
- smb_readline_remove_handler();
cli_shutdown(cli);
exit(0);
}
@@ -1720,40 +1715,6 @@ static void cmd_help(void)
}
/****************************************************************************
-wait for keyboard activity, swallowing network packets
-****************************************************************************/
-static void wait_keyboard(void)
-{
- fd_set fds;
- struct timeval timeout;
-
- while (1) {
- FD_ZERO(&fds);
- FD_SET(cli->fd,&fds);
- FD_SET(fileno(stdin),&fds);
-
- timeout.tv_sec = 20;
- timeout.tv_usec = 0;
- sys_select_intr(MAX(cli->fd,fileno(stdin))+1,&fds,&timeout);
-
- if (FD_ISSET(fileno(stdin),&fds))
- {
- smb_rl_read_char();
- if (readline_event != RL_NO_EVENTS) return;
- }
-
- /* We deliberately use receive_smb instead of
- client_receive_smb as we want to receive
- session keepalives and then drop them here.
- */
- if (FD_ISSET(cli->fd,&fds))
- receive_smb(cli->fd,cli->inbuf,0);
-
- cli_chkpath(cli, "\\");
- }
-}
-
-/****************************************************************************
process a -c command string
****************************************************************************/
static void process_command_string(char *cmd)
@@ -1793,36 +1754,69 @@ static void process_command_string(char *cmd)
/****************************************************************************
+make sure we swallow keepalives during idle time
+****************************************************************************/
+static void readline_callback(void)
+{
+ fd_set fds;
+ struct timeval timeout;
+ static time_t last_t;
+ time_t t;
+
+ t = time(NULL);
+
+ if (t - last_t < 5) return;
+
+ last_t = t;
+
+ again:
+ FD_ZERO(&fds);
+ FD_SET(cli->fd,&fds);
+
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 0;
+ sys_select_intr(cli->fd+1,&fds,&timeout);
+
+ /* We deliberately use receive_smb instead of
+ client_receive_smb as we want to receive
+ session keepalives and then drop them here.
+ */
+ if (FD_ISSET(cli->fd,&fds)) {
+ receive_smb(cli->fd,cli->inbuf,0);
+ goto again;
+ }
+
+ cli_chkpath(cli, "\\");
+}
+
+
+/****************************************************************************
process commands on stdin
****************************************************************************/
static void process_stdin(void)
{
char *ptr;
- init_smb_readline("smbclient", command_line, &readline_event);
-
- while (!feof(stdin)) {
+ while (1) {
fstring tok;
fstring prompt;
+ char *line;
int i;
/* display a prompt */
slprintf(prompt, sizeof(prompt), "smb: %s> ", cur_dir);
- smb_readline_prompt(prompt);
-
- wait_keyboard();
+ line = smb_readline(prompt, readline_callback);
- if (readline_event == RL_GOT_EOF) /* got an eof */
- break;
+ if (!line) break;
/* special case - first char is ! */
- if (*command_line == '!') {
- system(command_line + 1);
+ if (*line == '!') {
+ system(line + 1);
continue;
}
/* and get the first part of the command */
- ptr = command_line;
+ ptr = line;
if (!next_token(&ptr,tok,NULL,sizeof(tok))) continue;
if ((i = process_tok(tok)) >= 0) {
@@ -1833,7 +1827,6 @@ static void process_stdin(void)
DEBUG(0,("%s: command not found\n",tok));
}
}
- smb_readline_remove_handler ();
}
diff --git a/source3/include/includes.h b/source3/include/includes.h
index f2c185e086..f81a5e3362 100644
--- a/source3/include/includes.h
+++ b/source3/include/includes.h
@@ -616,8 +616,6 @@ extern int errno;
#include "messages.h"
#include "util_list.h"
-#include "smb_readline.h" /* SSS: samba readline support */
-
#ifndef UBI_BINTREE_H
#include "ubi_Cache.h"
#endif /* UBI_BINTREE_H */
diff --git a/source3/include/proto.h b/source3/include/proto.h
index 2abbada5a7..d2d96c4c60 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -166,10 +166,7 @@ void pidfile_create(char *name);
/*The following definitions come from lib/readline.c */
-void smb_rl_read_char (void);
-void init_smb_readline(char *prg_name, char *cline_ptr, int *event_ptr);
-void smb_readline_prompt(char *prompt);
-void smb_readline_remove_handler(void);
+char *smb_readline(char *prompt, void (*callback)(void));
void cmd_history(void);
/*The following definitions come from lib/replace.c */
diff --git a/source3/include/smb_readline.h b/source3/include/smb_readline.h
deleted file mode 100644
index 1b46c5f6ea..0000000000
--- a/source3/include/smb_readline.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- Unix SMB/Netbios implementation.
- Version 3.0.
- SMB client
- Copyright (C) Simo Sorce 2001
-
- 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
- (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.
-*/
-
-#ifdef HAVE_LIBREADLINE
-# ifdef HAVE_READLINE_READLINE_H
-# include <readline/readline.h>
-# ifdef HAVE_READLINE_HISTORY_H
-# include <readline/history.h>
-# endif
-# else
-# ifdef HAVE_READLINE_H
-# include <readline.h>
-# ifdef HAVE_HISTORY_H
-# include <history.h>
-# endif
-# else
-# undef HAVE_LIBREADLINE
-# endif
-# endif
-#endif
-
-#define RL_NO_EVENTS 0
-#define RL_GOT_LINE 1
-#define RL_GOT_EOF 2
-#define RL_ERROR -1
-
-
-
diff --git a/source3/lib/readline.c b/source3/lib/readline.c
index d031fa2fb4..f0d8b1267f 100644
--- a/source3/lib/readline.c
+++ b/source3/lib/readline.c
@@ -2,7 +2,7 @@
Unix SMB/Netbios implementation.
Version 3.0
Samba readline wrapper implementation
- Copyright (C) Simo Sorce 2001,
+ Copyright (C) Simo Sorce 2001
Copyright (C) Andrew Tridgell 2001
This program is free software; you can redistribute it and/or modify
@@ -22,87 +22,59 @@
#include "includes.h"
-/* user input through readline callback */
-static char *command_line;
-static int *readline_event;
-
-/****************************************************************************
-samba readline callback function
-****************************************************************************/
-static int smb_rl_callback_handler(char *line_read)
-{
- if (!command_line) return RL_ERROR;
-
- if (line_read)
- {
- pstrcpy(command_line, line_read);
-#if defined(HAVE_LIBREADLINE)
-#if defined(HAVE_READLINE_HISTORY_H) || defined(HAVE_HISTORY_H)
- if (strlen(line_read)) add_history(line_read);
- free(line_read);
-#endif
-#endif
- *readline_event = RL_GOT_LINE;
- } else {
- *readline_event = RL_GOT_EOF;
- }
- return 0;
-}
-
-void smb_rl_read_char (void)
-{
#ifdef HAVE_LIBREADLINE
- *readline_event = RL_NO_EVENTS;
- rl_callback_read_char ();
-#else
- pstring line;
- fgets(line, sizeof(line), stdin);
- smb_rl_callback_handler(line);
+# ifdef HAVE_READLINE_READLINE_H
+# include <readline/readline.h>
+# ifdef HAVE_READLINE_HISTORY_H
+# include <readline/history.h>
+# endif
+# else
+# ifdef HAVE_READLINE_H
+# include <readline.h>
+# ifdef HAVE_HISTORY_H
+# include <history.h>
+# endif
+# else
+# undef HAVE_LIBREADLINE
+# endif
+# endif
#endif
-}
/****************************************************************************
-init samba readline
+display the prompt and wait for input. Call callback() regularly
****************************************************************************/
-void init_smb_readline(char *prg_name, char *cline_ptr, int *event_ptr)
-{
- command_line = cline_ptr;
- readline_event = event_ptr;
-
-#ifdef HAVE_LIBREADLINE
- rl_readline_name = prg_name;
- rl_already_prompted = 1;
- rl_callback_handler_install(NULL, (VFunction *)&smb_rl_callback_handler);
-#endif
-}
-
-/****************************************************************************
-display the prompt
-****************************************************************************/
-void smb_readline_prompt(char *prompt)
+char *smb_readline(char *prompt, void (*callback)(void))
{
+ char *ret;
+#if HAVE_LIBREADLINE
+ rl_event_hook = (Function *)callback;
+ ret = readline(prompt);
+ if (ret && *ret) add_history(ret);
+ return ret;
+#else
+ fd_set fds;
extern FILE *dbf;
-
+ static pstring line;
+ struct timeval timeout;
+ int fd = fileno(stdin);
+
fprintf(dbf, "%s", prompt);
fflush(dbf);
-#ifdef HAVE_LIBREADLINE
- rl_callback_handler_remove();
- rl_callback_handler_install(prompt, (VFunction *)&smb_rl_callback_handler);
-#endif
-}
+ while (1) {
+ timeout.tv_sec = 5;
+ timeout.tv_usec = 0;
-/****************************************************************************
-removes readline callback handler
-****************************************************************************/
-void smb_readline_remove_handler(void)
-{
-#ifdef HAVE_LIBREADLINE
- rl_callback_handler_remove ();
+ FD_ZERO(&fds);
+ FD_SET(fd,&fds);
+
+ if (sys_select_intr(fd+1,&fds,&timeout) == 1) {
+ ret = fgets(line, sizeof(line), stdin);
+ return ret;
+ }
+ if (callback) callback();
+ }
#endif
-
- readline_event = NULL;
- command_line = NULL;
}
/****************************************************************************
@@ -110,11 +82,11 @@ history
****************************************************************************/
void cmd_history(void)
{
-#if defined(HAVE_LIBREADLINE) && (defined(HAVE_READLINE_HISTORY_H) || defined(HAVE_HISTORY_H))
+#if defined(HAVE_LIBREADLINE)
HIST_ENTRY **hlist;
int i;
- hlist = history_list ();
+ hlist = history_list();
for (i = 0; hlist && hlist[i]; i++) {
DEBUG(0, ("%d: %s\n", i, hlist[i]->line));
@@ -123,4 +95,3 @@ void cmd_history(void)
DEBUG(0,("no history without readline support\n"));
#endif
}
-