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-rw-r--r--polyp/cli.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/polyp/cli.c b/polyp/cli.c
new file mode 100644
index 00000000..f2aa5a65
--- /dev/null
+++ b/polyp/cli.c
@@ -0,0 +1,148 @@
+/* $Id$ */
+
+/***
+ This file is part of polypaudio.
+
+ polypaudio 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.
+
+ polypaudio 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 polypaudio; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include "ioline.h"
+#include "cli.h"
+#include "module.h"
+#include "sink.h"
+#include "source.h"
+#include "client.h"
+#include "sink-input.h"
+#include "source-output.h"
+#include "tokenizer.h"
+#include "strbuf.h"
+#include "namereg.h"
+#include "clitext.h"
+#include "cli-command.h"
+
+struct pa_cli {
+ struct pa_core *core;
+ struct pa_ioline *line;
+
+ void (*eof_callback)(struct pa_cli *c, void *userdata);
+ void *userdata;
+
+ struct pa_client *client;
+
+ int fail, verbose, kill_requested, defer_kill;
+};
+
+static void line_callback(struct pa_ioline *line, const char *s, void *userdata);
+
+static const char prompt[] = ">>> ";
+
+static void client_kill(struct pa_client *c);
+
+struct pa_cli* pa_cli_new(struct pa_core *core, struct pa_iochannel *io, struct pa_module *m) {
+ char cname[256];
+ struct pa_cli *c;
+ assert(io);
+
+ c = malloc(sizeof(struct pa_cli));
+ assert(c);
+ c->core = core;
+ c->line = pa_ioline_new(io);
+ assert(c->line);
+
+ c->userdata = NULL;
+ c->eof_callback = NULL;
+
+ pa_iochannel_socket_peer_to_string(io, cname, sizeof(cname));
+ c->client = pa_client_new(core, "CLI", cname);
+ assert(c->client);
+ c->client->kill = client_kill;
+ c->client->userdata = c;
+ c->client->owner = m;
+
+ pa_ioline_set_callback(c->line, line_callback, c);
+ pa_ioline_puts(c->line, "Welcome to polypaudio! Use \"help\" for usage information.\n");
+ pa_ioline_puts(c->line, prompt);
+
+ c->fail = c->kill_requested = c->defer_kill = 0;
+ c->verbose = 1;
+
+ return c;
+}
+
+void pa_cli_free(struct pa_cli *c) {
+ assert(c);
+ pa_ioline_free(c->line);
+ pa_client_free(c->client);
+ free(c);
+}
+
+static void client_kill(struct pa_client *client) {
+ struct pa_cli *c;
+ assert(client && client->userdata);
+ c = client->userdata;
+
+ fprintf(stderr, "CLI client killed.\n");
+ if (c->defer_kill)
+ c->kill_requested = 1;
+ else {
+ if (c->eof_callback)
+ c->eof_callback(c, c->userdata);
+ }
+}
+
+static void line_callback(struct pa_ioline *line, const char *s, void *userdata) {
+ struct pa_strbuf *buf;
+ struct pa_cli *c = userdata;
+ char *p;
+ assert(line && c);
+
+ if (!s) {
+ fprintf(stderr, "CLI got EOF from user.\n");
+ if (c->eof_callback)
+ c->eof_callback(c, c->userdata);
+
+ return;
+ }
+
+ buf = pa_strbuf_new();
+ assert(buf);
+ c->defer_kill++;
+ pa_cli_command_execute_line(c->core, s, buf, &c->fail, &c->verbose);
+ c->defer_kill--;
+ pa_ioline_puts(line, p = pa_strbuf_tostring_free(buf));
+ free(p);
+
+ if (c->kill_requested) {
+ if (c->eof_callback)
+ c->eof_callback(c, c->userdata);
+ } else
+ pa_ioline_puts(line, prompt);
+}
+
+void pa_cli_set_eof_callback(struct pa_cli *c, void (*cb)(struct pa_cli*c, void *userdata), void *userdata) {
+ assert(c && cb);
+ c->eof_callback = cb;
+ c->userdata = userdata;
+}