static void line_callback(pa_ioline *line, const char *s, void *userdata) {
pa_strbuf *buf;
pa_cli *c = userdata;
char *p;
pa_assert(line);
pa_assert(c);
if (!s) {
pa_log_debug("CLI got EOF from user.");
if (c->eof_callback)
c->eof_callback(c, c->userdata);
return;
}
/* Magic command, like they had in AT Hayes Modems! Those were the good days! */
if (pa_streq(s, "/"))
s = c->last_line;
else if (s[0]) {
pa_xfree(c->last_line);
c->last_line = pa_xstrdup(s);
}
pa_assert_se(buf = pa_strbuf_new());
c->defer_kill++;
if (pa_streq(s, "hello")) {
pa_strbuf_printf(buf, "Welcome to PulseAudio %s! "
"Use \"help\" for usage information.\n", PACKAGE_VERSION);
c->interactive = true;
}
else
pa_cli_command_execute_line(c->core, s, buf, &c->fail);
c->defer_kill--;
pa_ioline_puts(line, p = pa_strbuf_to_string_free(buf));
pa_xfree(p);
if (c->kill_requested) {
if (c->eof_callback)
c->eof_callback(c, c->userdata);
} else if (c->interactive)
pa_ioline_puts(line, PROMPT);
}
static int rtsp_exec(pa_rtsp_client *c, const char *cmd,
const char *content_type, const char *content,
int expect_response,
pa_headerlist *headers) {
pa_strbuf *buf;
char *hdrs;
pa_assert(c);
pa_assert(c->url);
pa_assert(cmd);
pa_assert(c->ioline);
pa_log_debug("Sending command: %s", cmd);
buf = pa_strbuf_new();
pa_strbuf_printf(buf, "%s %s RTSP/1.0\r\nCSeq: %d\r\n", cmd, c->url, ++c->cseq);
if (c->session)
pa_strbuf_printf(buf, "Session: %s\r\n", c->session);
/* Add the headers */
if (headers) {
hdrs = pa_headerlist_to_string(headers);
pa_strbuf_puts(buf, hdrs);
pa_xfree(hdrs);
}
if (content_type && content) {
pa_strbuf_printf(buf, "Content-Type: %s\r\nContent-Length: %d\r\n",
content_type, (int)strlen(content));
}
pa_strbuf_printf(buf, "User-Agent: %s\r\n", c->useragent);
if (c->headers) {
hdrs = pa_headerlist_to_string(c->headers);
pa_strbuf_puts(buf, hdrs);
pa_xfree(hdrs);
}
pa_strbuf_puts(buf, "\r\n");
if (content_type && content) {
pa_strbuf_puts(buf, content);
}
/* Our packet is created... now we can send it :) */
hdrs = pa_strbuf_to_string_free(buf);
/*pa_log_debug("Submitting request:");
pa_log_debug(hdrs);*/
pa_ioline_puts(c->ioline, hdrs);
pa_xfree(hdrs);
/* The command is sent we can configure the rtsp client structure to handle a new answer */
c->waiting = 1;
return 0;
}
static void line_callback(pa_ioline *line, const char *s, void *userdata) {
pa_strbuf *buf;
pa_cli *c = userdata;
char *p;
pa_assert(line);
pa_assert(c);
if (!s) {
pa_log_debug("CLI got EOF from user.");
if (c->eof_callback)
c->eof_callback(c, c->userdata);
return;
}
/* Magic command, like they had in AT Hayes Modems! Those were the good days! */
if (pa_streq(s, "/"))
s = c->last_line;
else if (s[0]) {
pa_xfree(c->last_line);
c->last_line = pa_xstrdup(s);
}
pa_assert_se(buf = pa_strbuf_new());
c->defer_kill++;
pa_cli_command_execute_line(c->core, s, buf, &c->fail);
c->defer_kill--;
pa_ioline_puts(line, p = pa_strbuf_tostring_free(buf));
pa_xfree(p);
if (c->kill_requested) {
if (c->eof_callback)
c->eof_callback(c, c->userdata);
} else
pa_ioline_puts(line, PROMPT);
}
pa_cli* pa_cli_new(pa_core *core, pa_iochannel *io, pa_module *m) {
char cname[256];
pa_cli *c;
pa_client_new_data data;
pa_client *client;
pa_assert(io);
pa_iochannel_socket_peer_to_string(io, cname, sizeof(cname));
pa_client_new_data_init(&data);
data.driver = __FILE__;
data.module = m;
pa_proplist_sets(data.proplist, PA_PROP_APPLICATION_NAME, cname);
client = pa_client_new(core, &data);
pa_client_new_data_done(&data);
if (!client)
return NULL;
c = pa_xnew(pa_cli, 1);
c->core = core;
c->client = client;
pa_assert_se(c->line = pa_ioline_new(io));
c->userdata = NULL;
c->eof_callback = NULL;
c->client->kill = client_kill;
c->client->userdata = c;
pa_ioline_set_callback(c->line, line_callback, c);
pa_ioline_puts(c->line, "Welcome to PulseAudio! Use \"help\" for usage information.\n"PROMPT);
c->fail = c->kill_requested = FALSE;
c->defer_kill = 0;
c->last_line = NULL;
return c;
}
