baresip 0.4.10

2 files changed, 194 insertions, 0 deletions

diff --git a/modules/wincons/module.mk b/modules/wincons/module.mk
new file mode 100644
index 0000000..aa1746e
--- /dev/null
+++ b/modules/wincons/module.mk
@@ -0,0 +1,11 @@
+#
+# module.mk
+#
+# Copyright (C) 2010 Creytiv.com
+#
+
+MOD		:= wincons
+$(MOD)_SRCS	+= wincons.c
+$(MOD)_LFLAGS	+=
+
+include mk/mod.mk
diff --git a/modules/wincons/wincons.c b/modules/wincons/wincons.c
new file mode 100644
index 0000000..6724fc7
--- /dev/null
+++ b/modules/wincons/wincons.c
@@ -0,0 +1,183 @@
+/**
+ * @file wincons.c  Windows console input
+ *
+ * Copyright (C) 2010 Creytiv.com
+ */
+
+#include <winsock2.h>
+#include <re.h>
+#include <baresip.h>
+
+
+/** Local constants */
+enum {
+	RELEASE_VAL = 250  /**< Key release value in [ms] */
+};
+
+struct ui_st {
+	struct ui *ui; /* base class */
+	struct tmr tmr;
+	struct mqueue *mq;
+	HANDLE hThread;
+	bool run;
+	ui_input_h *h;
+	void *arg;
+};
+
+
+static struct ui *wincons;
+
+
+static void destructor(void *arg)
+{
+	struct ui_st *st = arg;
+
+	st->run = false;
+	CloseHandle(st->hThread);
+
+	tmr_cancel(&st->tmr);
+	mem_deref(st->mq);
+	mem_deref(st->ui);
+}
+
+
+static int print_handler(const char *p, size_t size, void *arg)
+{
+	(void)arg;
+
+	return 1 == fwrite(p, size, 1, stderr) ? 0 : ENOMEM;
+}
+
+
+static void report_key(struct ui_st *ui, char key)
+{
+	struct re_printf pf;
+
+	pf.vph = print_handler;
+
+	if (ui->h)
+		ui->h(key, &pf, ui->arg);
+}
+
+
+static void timeout(void *arg)
+{
+	struct ui_st *st = arg;
+
+	/* Emulate key-release */
+	report_key(st, 0x00);
+}
+
+
+static DWORD WINAPI input_thread(LPVOID arg)
+{
+	struct ui_st *st = arg;
+
+	HANDLE hstdin = GetStdHandle( STD_INPUT_HANDLE );
+	DWORD  mode;
+
+	/* Switch to raw mode */
+	GetConsoleMode(hstdin, &mode);
+	SetConsoleMode(hstdin, 0);
+
+	while (st->run) {
+
+		char buf[4];
+		DWORD i, count = 0;
+
+		ReadConsole(hstdin, buf, sizeof(buf), &count, NULL);
+
+		for (i=0; i<count; i++) {
+			int ch = buf[i];
+
+			if (ch == '\r')
+				ch = '\n';
+
+			/*
+			 * The keys are read from a thread so we have
+			 * to send them to the RE main event loop via
+			 * a message queue
+			 */
+			mqueue_push(st->mq, ch, 0);
+		}
+	}
+
+	/* Restore the console to its previous state */
+	SetConsoleMode(hstdin, mode);
+
+	return 0;
+}
+
+
+static void mqueue_handler(int id, void *data, void *arg)
+{
+	struct ui_st *st = arg;
+	(void)data;
+
+	tmr_start(&st->tmr, RELEASE_VAL, timeout, st);
+	report_key(st, id);
+}
+
+
+static int ui_alloc(struct ui_st **stp, struct ui_prm *prm,
+		    ui_input_h *ih, void *arg)
+{
+	struct ui_st *st;
+	DWORD threadID;
+	int err = 0;
+	(void)prm;
+
+	if (!stp)
+		return EINVAL;
+
+	st = mem_zalloc(sizeof(*st), destructor);
+	if (!st)
+		return ENOMEM;
+
+	st->ui  = mem_ref(wincons);
+	st->h   = ih;
+	st->arg = arg;
+
+	tmr_init(&st->tmr);
+
+	err = mqueue_alloc(&st->mq, mqueue_handler, st);
+	if (err)
+		goto out;
+
+	st->run = true;
+	st->hThread = CreateThread(NULL, 0, input_thread, st, 0, &threadID);
+	if (!st->hThread) {
+		st->run = false;
+		err = ENOMEM;
+		goto out;
+	}
+
+ out:
+	if (err)
+		mem_deref(st);
+	else
+		*stp = st;
+
+	return err;
+}
+
+
+static int module_init(void)
+{
+	return ui_register(&wincons, "wincons", ui_alloc, NULL);
+}
+
+
+static int module_close(void)
+{
+	wincons = mem_deref(wincons);
+	return 0;
+}
+
+
+const struct mod_export DECL_EXPORTS(wincons) = {
+	"wincons",
+	"ui",
+	module_init,
+	module_close
+};