DPDK patches and discussions
 help / color / Atom feed
From: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
To: dev@dpdk.org
Cc: "Kinsella, Ray" <mdr@ashroe.eu>, Khoa To <khot@microsoft.com>,
	Stephen Hemminger <stephen@networkplumber.org>,
	Ferruh Yigit <ferruh.yigit@intel.com>,
	Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>,
	Olivier Matz <olivier.matz@6wind.com>
Subject: [dpdk-dev] [PATCH v3 2/7] cmdline: add internal wrappers for terminal handling
Date: Tue, 29 Sep 2020 00:50:47 +0300
Message-ID: <20200928215052.23627-3-dmitry.kozliuk@gmail.com> (raw)
In-Reply-To: <20200928215052.23627-1-dmitry.kozliuk@gmail.com>

Add functions that set up, save, and restore terminal parameters.
Use existing code as Unix implementation.

Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
---
 lib/librte_cmdline/cmdline_os_unix.c | 27 +++++++++++++++++++++++++++
 lib/librte_cmdline/cmdline_private.h | 16 ++++++++++++++++
 lib/librte_cmdline/cmdline_socket.c  | 16 +++++-----------
 lib/librte_cmdline/cmdline_vt100.c   |  1 -
 lib/librte_cmdline/meson.build       |  4 ++++
 5 files changed, 52 insertions(+), 12 deletions(-)
 create mode 100644 lib/librte_cmdline/cmdline_os_unix.c
 create mode 100644 lib/librte_cmdline/cmdline_private.h

diff --git a/lib/librte_cmdline/cmdline_os_unix.c b/lib/librte_cmdline/cmdline_os_unix.c
new file mode 100644
index 000000000..d50eb1c65
--- /dev/null
+++ b/lib/librte_cmdline/cmdline_os_unix.c
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2020 Dmitry Kozlyuk
+ */
+
+#include <string.h>
+
+#include "cmdline_private.h"
+
+void
+terminal_adjust(struct cmdline *cl)
+{
+	struct termios term;
+
+	tcgetattr(0, &cl->oldterm);
+
+	memcpy(&term, &cl->oldterm, sizeof(term));
+	term.c_lflag &= ~(ICANON | ECHO | ISIG);
+	tcsetattr(0, TCSANOW, &term);
+
+	setbuf(stdin, NULL);
+}
+
+void
+terminal_restore(const struct cmdline *cl)
+{
+	tcsetattr(fileno(stdin), TCSANOW, &cl->oldterm);
+}
diff --git a/lib/librte_cmdline/cmdline_private.h b/lib/librte_cmdline/cmdline_private.h
new file mode 100644
index 000000000..50326e8a4
--- /dev/null
+++ b/lib/librte_cmdline/cmdline_private.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2020 Dmitry Kozlyuk
+ */
+
+#ifndef _CMDLINE_PRIVATE_H_
+#define _CMDLINE_PRIVATE_H_
+
+#include <cmdline.h>
+
+/* Disable buffering and echoing, save previous settings to oldterm. */
+void terminal_adjust(struct cmdline *cl);
+
+/* Restore terminal settings form oldterm. */
+void terminal_restore(const struct cmdline *cl);
+
+#endif
diff --git a/lib/librte_cmdline/cmdline_socket.c b/lib/librte_cmdline/cmdline_socket.c
index 6c89d2171..998e8ade2 100644
--- a/lib/librte_cmdline/cmdline_socket.c
+++ b/lib/librte_cmdline/cmdline_socket.c
@@ -13,6 +13,7 @@
 #include <fcntl.h>
 
 #include "cmdline.h"
+#include "cmdline_private.h"
 #include "cmdline_socket.h"
 
 struct cmdline *
@@ -36,18 +37,11 @@ struct cmdline *
 cmdline_stdin_new(cmdline_parse_ctx_t *ctx, const char *prompt)
 {
 	struct cmdline *cl;
-	struct termios oldterm, term;
-
-	tcgetattr(0, &oldterm);
-	memcpy(&term, &oldterm, sizeof(term));
-	term.c_lflag &= ~(ICANON | ECHO | ISIG);
-	tcsetattr(0, TCSANOW, &term);
-	setbuf(stdin, NULL);
 
 	cl = cmdline_new(ctx, prompt, 0, 1);
 
-	if (cl)
-		memcpy(&cl->oldterm, &oldterm, sizeof(term));
+	if (cl != NULL)
+		terminal_adjust(cl);
 
 	return cl;
 }
@@ -55,8 +49,8 @@ cmdline_stdin_new(cmdline_parse_ctx_t *ctx, const char *prompt)
 void
 cmdline_stdin_exit(struct cmdline *cl)
 {
-	if (!cl)
+	if (cl == NULL)
 		return;
 
-	tcsetattr(fileno(stdin), TCSANOW, &cl->oldterm);
+	terminal_restore(cl);
 }
diff --git a/lib/librte_cmdline/cmdline_vt100.c b/lib/librte_cmdline/cmdline_vt100.c
index 662fc7345..bb968dd5f 100644
--- a/lib/librte_cmdline/cmdline_vt100.c
+++ b/lib/librte_cmdline/cmdline_vt100.c
@@ -10,7 +10,6 @@
 #include <string.h>
 #include <stdarg.h>
 #include <ctype.h>
-#include <termios.h>
 
 #include "cmdline_vt100.h"
 
diff --git a/lib/librte_cmdline/meson.build b/lib/librte_cmdline/meson.build
index 7fc54ff1a..5c9e8886d 100644
--- a/lib/librte_cmdline/meson.build
+++ b/lib/librte_cmdline/meson.build
@@ -25,4 +25,8 @@ headers = files('cmdline.h',
 	'cmdline_cirbuf.h',
 	'cmdline_parse_portlist.h')
 
+if not is_windows
+	sources += files('cmdline_os_unix.c')
+endif
+
 deps += ['net']
-- 
2.28.0


  parent reply index

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-20 21:05 [dpdk-dev] [PATCH 0/7] cmdline: support Windows Dmitry Kozlyuk
2020-06-20 21:05 ` [dpdk-dev] [PATCH 1/7] cmdline: make implementation opaque Dmitry Kozlyuk
2020-06-20 21:05 ` [dpdk-dev] [PATCH 2/7] cmdline: add internal wrappers for terminal handling Dmitry Kozlyuk
2020-06-20 21:05 ` [dpdk-dev] [PATCH 3/7] cmdline: add internal wrappers for character input Dmitry Kozlyuk
2020-06-20 21:05 ` [dpdk-dev] [PATCH 4/7] cmdline: add internal wrapper for vdprintf Dmitry Kozlyuk
2020-06-20 21:05 ` [dpdk-dev] [PATCH 5/7] eal/windows: improve compatibility networking headers Dmitry Kozlyuk
2020-06-20 21:05 ` [dpdk-dev] [PATCH 6/7] cmdline: support Windows Dmitry Kozlyuk
2020-06-28 14:20   ` Fady Bader
2020-06-29  6:23     ` Ranjit Menon
2020-06-29  7:42       ` Dmitry Kozlyuk
2020-06-29  8:12         ` Tal Shnaiderman
2020-06-29 23:56           ` Dmitry Kozlyuk
2020-07-08  1:09             ` Dmitry Kozlyuk
2020-06-20 21:05 ` [dpdk-dev] [PATCH 7/7] examples/cmdline: build on Windows Dmitry Kozlyuk
2020-07-17 22:16 ` [dpdk-dev] [PATCH 0/7] cmdline: support Windows Narcisa Ana Maria Vasile
2020-07-30 18:08 ` Kadam, Pallavi
2020-07-30 21:06 ` [dpdk-dev] [PATCH v2 " Dmitry Kozlyuk
2020-07-30 21:06   ` [dpdk-dev] [PATCH v2 1/7] cmdline: make implementation opaque Dmitry Kozlyuk
2020-08-05  9:31     ` Kinsella, Ray
2020-08-05 11:17       ` Dmitry Kozlyuk
2020-09-30  8:11         ` Kinsella, Ray
2020-09-30 15:26           ` Dmitry Kozlyuk
2020-09-17 13:34     ` Olivier Matz
2020-09-17 17:05       ` Stephen Hemminger
2020-09-18  8:33         ` Bruce Richardson
2020-09-18 12:13           ` Ferruh Yigit
2020-09-18 13:23         ` Kinsella, Ray
2020-09-17 23:13       ` Dmitry Kozlyuk
2020-09-18 13:31       ` Kinsella, Ray
2020-07-30 21:06   ` [dpdk-dev] [PATCH v2 2/7] cmdline: add internal wrappers for terminal handling Dmitry Kozlyuk
2020-07-30 21:06   ` [dpdk-dev] [PATCH v2 3/7] cmdline: add internal wrappers for character input Dmitry Kozlyuk
2020-07-30 21:06   ` [dpdk-dev] [PATCH v2 4/7] cmdline: add internal wrapper for vdprintf Dmitry Kozlyuk
2020-07-30 21:06   ` [dpdk-dev] [PATCH v2 5/7] eal/windows: improve compatibility networking headers Dmitry Kozlyuk
2020-07-30 21:06   ` [dpdk-dev] [PATCH v2 6/7] cmdline: support Windows Dmitry Kozlyuk
2020-07-30 21:06   ` [dpdk-dev] [PATCH v2 7/7] examples/cmdline: build on Windows Dmitry Kozlyuk
2020-09-26  1:33     ` [dpdk-dev] [EXTERNAL] " Narcisa Ana Maria Vasile
2020-09-26  6:03       ` Khoa To
2020-09-28 21:50   ` [dpdk-dev] [PATCH v3 0/7] cmdline: support Windows Dmitry Kozlyuk
2020-09-28 21:50     ` [dpdk-dev] [PATCH v3 1/7] cmdline: make implementation logically opaque Dmitry Kozlyuk
2020-09-30  8:12       ` Kinsella, Ray
2020-09-28 21:50     ` Dmitry Kozlyuk [this message]
2020-09-28 21:50     ` [dpdk-dev] [PATCH v3 3/7] cmdline: add internal wrappers for character input Dmitry Kozlyuk
2020-09-28 21:50     ` [dpdk-dev] [PATCH v3 4/7] cmdline: add internal wrapper for vdprintf Dmitry Kozlyuk
2020-09-28 21:50     ` [dpdk-dev] [PATCH v3 5/7] eal/windows: improve compatibility networking headers Dmitry Kozlyuk
2020-09-28 21:50     ` [dpdk-dev] [PATCH v3 6/7] cmdline: support Windows Dmitry Kozlyuk
2020-10-14 22:31       ` Thomas Monjalon
2020-09-28 21:50     ` [dpdk-dev] [PATCH v3 7/7] examples/cmdline: build on Windows Dmitry Kozlyuk
2020-10-14 22:33       ` Thomas Monjalon
2020-10-05 15:33     ` [dpdk-dev] [PATCH v3 0/7] cmdline: support Windows Olivier Matz
2020-10-14 22:41       ` Thomas Monjalon

Reply instructions:

You may reply publically to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200928215052.23627-3-dmitry.kozliuk@gmail.com \
    --to=dmitry.kozliuk@gmail.com \
    --cc=dev@dpdk.org \
    --cc=ferruh.yigit@intel.com \
    --cc=khot@microsoft.com \
    --cc=mdr@ashroe.eu \
    --cc=olivier.matz@6wind.com \
    --cc=stephen@networkplumber.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

DPDK patches and discussions

Archives are clonable:
	git clone --mirror http://inbox.dpdk.org/dev/0 dev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dev dev/ http://inbox.dpdk.org/dev \
		dev@dpdk.org
	public-inbox-index dev


Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.dev


AGPL code for this site: git clone https://public-inbox.org/ public-inbox