[PATCH 2/6] cli: Add command hello to ask for server welcome message and pass quiet parameter

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use pa_cli instance to store quiet flag (i.e. do not show prompt)
include PA version in welcome message

Signed-off-by: Peter Meerwald <pmeerw at pmeerw.net>
---
 src/pulsecore/cli-command.c | 22 ++++++++++++++++++++++
 src/pulsecore/cli.c         |  4 ++--
 src/pulsecore/cli.h         |  1 +
 3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/src/pulsecore/cli-command.c b/src/pulsecore/cli-command.c
index 0440543..5dbaca7 100644
--- a/src/pulsecore/cli-command.c
+++ b/src/pulsecore/cli-command.c
@@ -84,6 +84,7 @@ enum {
 /* Prototypes for all available commands */
 static int pa_cli_command_exit(pa_cli *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
 static int pa_cli_command_help(pa_cli *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
+static int pa_cli_command_hello(pa_cli *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
 static int pa_cli_command_modules(pa_cli *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
 static int pa_cli_command_clients(pa_cli *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
 static int pa_cli_command_cards(pa_cli *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail);
@@ -142,6 +143,7 @@ static int pa_cli_command_dump_volumes(pa_cli *c, pa_tokenizer *t, pa_strbuf *bu
 
 static const struct command commands[] = {
     { "help",                    pa_cli_command_help,               "Show this help",               1 },
+    { "hello",                   pa_cli_command_hello,              "Show welcome message",         2 },
     { "list-modules",            pa_cli_command_modules,            "List loaded modules",          1 },
     { "list-cards",              pa_cli_command_cards,              "List cards",                   1 },
     { "list-sinks",              pa_cli_command_sinks,              "List loaded sinks",            1 },
@@ -242,6 +244,26 @@ static int pa_cli_command_help(pa_cli *c, pa_tokenizer *t, pa_strbuf *buf, bool
     return 0;
 }
 
+static int pa_cli_command_hello(pa_cli *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail) {
+    const char *option;
+
+    pa_assert(c);
+    pa_assert(t);
+    pa_assert(buf);
+    pa_assert(fail);
+
+    c->quiet = false;
+    if ((option = pa_tokenizer_get(t, 1))) {
+        if (pa_streq(option, "quiet")) {
+            c->quiet = true;
+        }
+    }
+
+    if (!c->quiet)
+        pa_strbuf_printf(buf, "Welcome to PulseAudio %s! Use \"help\" for usage information.\n", PACKAGE_VERSION);
+    return 0;
+}
+
 static int pa_cli_command_modules(pa_cli *c, pa_tokenizer *t, pa_strbuf *buf, bool *fail) {
     char *s;
 
diff --git a/src/pulsecore/cli.c b/src/pulsecore/cli.c
index 4a9dabc..c355015 100644
--- a/src/pulsecore/cli.c
+++ b/src/pulsecore/cli.c
@@ -84,10 +84,10 @@ pa_cli* pa_cli_new(pa_core *core, pa_iochannel *io, pa_module *m) {
     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->quiet = false;
 
     c->last_line = NULL;
 
@@ -159,7 +159,7 @@ static void line_callback(pa_ioline *line, const char *s, void *userdata) {
         if (c->eof_callback)
             c->eof_callback(c, c->userdata);
     } else
-        pa_ioline_puts(line, PROMPT);
+        if (!c->quiet) pa_ioline_puts(line, PROMPT);
 }
 
 void pa_cli_set_eof_callback(pa_cli *c, pa_cli_eof_cb_t cb, void *userdata) {
diff --git a/src/pulsecore/cli.h b/src/pulsecore/cli.h
index c50e065..dd36a8a 100644
--- a/src/pulsecore/cli.h
+++ b/src/pulsecore/cli.h
@@ -42,6 +42,7 @@ struct pa_cli {
 
     bool fail, kill_requested;
     int defer_kill;
+    bool quiet;
 
     char *last_line;
 };
-- 
1.8.3.2



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