1 files changed, 140 insertions, 0 deletions
diff --git a/src/modules/module-cli.c b/src/modules/module-cli.c
new file mode 100644
index 0000000..547c818
--- /dev/null
+++ b/src/modules/module-cli.c
@@ -0,0 +1,140 @@
+/***
+  This file is part of PulseAudio.
+
+  Copyright 2004-2006 Lennart Poettering
+
+  PulseAudio is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Lesser General Public License as published
+  by the Free Software Foundation; either version 2.1 of the License,
+  or (at your option) any later version.
+
+  PulseAudio 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 Lesser General Public License
+  along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <pulsecore/module.h>
+#include <pulsecore/iochannel.h>
+#include <pulsecore/cli.h>
+#include <pulsecore/sioman.h>
+#include <pulsecore/log.h>
+#include <pulsecore/modargs.h>
+#include <pulsecore/macro.h>
+#include <pulsecore/core-util.h>
+
+PA_MODULE_AUTHOR("Lennart Poettering");
+PA_MODULE_DESCRIPTION("Command line interface");
+PA_MODULE_VERSION(PACKAGE_VERSION);
+PA_MODULE_LOAD_ONCE(true);
+PA_MODULE_USAGE("exit_on_eof=<exit daemon after EOF?>");
+
+static const char* const valid_modargs[] = {
+    "exit_on_eof",
+    NULL
+};
+
+static void eof_and_unload_cb(pa_cli*c, void *userdata) {
+    pa_module *m = userdata;
+
+    pa_assert(c);
+    pa_assert(m);
+
+    pa_module_unload_request(m, true);
+}
+
+static void eof_and_exit_cb(pa_cli*c, void *userdata) {
+    pa_module *m = userdata;
+
+    pa_assert(c);
+    pa_assert(m);
+
+    pa_core_exit(m->core, false, 0);
+}
+
+int pa__init(pa_module*m) {
+    pa_iochannel *io;
+    pa_modargs *ma;
+    bool exit_on_eof = false;
+#ifndef OS_IS_WIN32
+    int fd;
+#endif
+
+    pa_assert(m);
+
+    if (m->core->running_as_daemon) {
+        pa_log_info("Running as daemon, refusing to load this module.");
+        return 0;
+    }
+
+    if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
+        pa_log("failed to parse module arguments.");
+        goto fail;
+    }
+
+    if (pa_modargs_get_value_boolean(ma, "exit_on_eof", &exit_on_eof) < 0) {
+        pa_log("exit_on_eof= expects boolean argument.");
+        goto fail;
+    }
+
+    if (pa_stdio_acquire() < 0) {
+        pa_log("STDIN/STDOUT already in use.");
+        goto fail;
+    }
+
+    /* We try to open the controlling tty anew here. This has the
+     * benefit of giving us a new fd that doesn't share the O_NDELAY
+     * flag with fds 0, 1, or 2. Since pa_iochannel_xxx needs O_NDELAY
+     * on its fd using those fds directly could set O_NDELAY which
+     * fprintf() doesn't really like, resulting in truncated output
+     * of log messages, particularly because if stdout and stderr are
+     * dup'ed they share the same O_NDELAY, too. */
+
+#ifndef OS_IS_WIN32
+    if ((fd = pa_open_cloexec("/dev/tty", O_RDWR|O_NONBLOCK, 0)) >= 0) {
+        io = pa_iochannel_new(m->core->mainloop, fd, fd);
+        pa_log_debug("Managed to open /dev/tty.");
+    }
+    else
+#endif
+    {
+        io = pa_iochannel_new(m->core->mainloop, STDIN_FILENO, STDOUT_FILENO);
+        pa_iochannel_set_noclose(io, true);
+        pa_log_debug("Failed to open /dev/tty, using stdin/stdout fds instead.");
+    }
+
+    m->userdata = pa_cli_new(m->core, io, m);
+    pa_cli_set_eof_callback(m->userdata, exit_on_eof ? eof_and_exit_cb : eof_and_unload_cb, m);
+
+    pa_modargs_free(ma);
+
+    return 0;
+
+fail:
+
+    if (ma)
+        pa_modargs_free(ma);
+
+    return -1;
+}
+
+void pa__done(pa_module*m) {
+    pa_assert(m);
+
+    if (m->userdata) {
+        pa_cli_free(m->userdata);
+        pa_stdio_release();
+    }
+}