Merge branch 'refs/heads/t/tarball-build-fix'

[paraslash.git] / audiod_command.c

diff --git a/audiod_command.c b/audiod_command.c
index 7b69e1ab070198a52e33f4722188cba1a769dd2a..7e68d2d223a1c7d734a65ba8675c092116d57be3 100644 (file)
--- a/audiod_command.c
+++ b/audiod_command.c
@@ -1,13 +1,18 @@
 /*
- * Copyright (C) 2005-2013 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
 
 /** \file audiod_command.c Commands for para_audiod. */
 
+#include <netinet/in.h>
+#include <sys/socket.h>
 #include <regex.h>
 #include <sys/types.h>
+#include <arpa/inet.h>
+#include <sys/un.h>
+#include <netdb.h>
 
 #include "para.h"
 #include "audiod.cmdline.h"
@@ -24,7 +29,8 @@
 #include "string.h"
 #include "write.h"
 #include "fd.h"
-#include "audiod_command_list.h"
+#include "version.h"
+#include "audiod.command_list.h"
 
 extern struct sched sched;
 extern char *stat_item_values[NUM_STAT_ITEMS];
@@ -109,6 +115,31 @@ static int stat_client_add(int fd, uint64_t mask, int parser_friendly)
        num_clients++;
        return 1;
 }
+
+static void close_stat_client(struct stat_client *sc)
+{
+       PARA_INFO_LOG("closing client fd %d\n", sc->fd);
+       close(sc->fd);
+       list_del(&sc->node);
+       free(sc);
+       num_clients--;
+}
+
+/**
+ * Empty the status clients list.
+ *
+ * This iterates over the list of connected status clients, closes each client
+ * file descriptor and frees the resources.
+ */
+void close_stat_clients(void)
+{
+       struct stat_client *sc, *tmp;
+
+       list_for_each_entry_safe(sc, tmp, &client_list, node)
+               close_stat_client(sc);
+       assert(num_clients == 0);
+}
+
 /**
  * Write a message to all connected status clients.
  *
@@ -127,7 +158,7 @@ void stat_client_write_item(int item_num)
        struct para_buffer *b;
 
        list_for_each_entry_safe(sc, tmp, &client_list, node) {
-               int fd = sc->fd, ret;
+               int ret;
 
                if (!((one << item_num) & sc->item_mask))
                        continue;
@@ -135,15 +166,11 @@ void stat_client_write_item(int item_num)
                if (!b->buf)
                        (void)WRITE_STATUS_ITEM(b, item_num, "%s\n",
                                msg? msg : "");
-               ret = write(fd, b->buf, b->offset);
+               ret = write(sc->fd, b->buf, b->offset);
                if (ret == b->offset)
                        continue;
                /* write error or short write */
-               close(fd);
-               num_clients--;
-               PARA_INFO_LOG("deleting client on fd %d\n", fd);
-               list_del(&sc->node);
-               free(sc);
+               close_stat_client(sc);
                dump_stat_client_list();
        }
        free(pb.buf);
@@ -320,7 +347,6 @@ static int com_stat(int fd, int argc, char **argv)
                if (!strncmp(arg, "-p", 2)) {
                        parser_friendly = 1;
                        b.flags = PBF_SIZE_PREFIX;
-                       continue;
                }
        }
        if (i >= argc)
@@ -350,10 +376,10 @@ static int com_grab(int fd, int argc, char **argv)
        return grab_client_new(fd, argc, argv, &sched);
 }
 
-__noreturn static int com_term(int fd, __a_unused int argc, __a_unused char **argv)
+static int com_term(int fd, __a_unused int argc, __a_unused char **argv)
 {
        close(fd);
-       clean_exit(EXIT_SUCCESS, "terminating on user request");
+       return -E_AUDIOD_TERM;
 }
 
 static int com_on(int fd, __a_unused int argc, __a_unused char **argv)
@@ -394,6 +420,22 @@ static int com_cycle(int fd, int argc, char **argv)
        return 1;
 }
 
+static int com_version(int fd, int argc, char **argv)
+{
+       int ret;
+       char *msg;
+
+       if (argc > 1 && strcmp(argv[1], "-v") == 0)
+               msg = make_message("%s", version_text("audiod"));
+       else
+               msg = make_message("%s\n", version_single_line("audiod"));
+       ret = client_write(fd, msg);
+       free(msg);
+       if (ret >= 0)
+               close(fd);
+       return ret;
+}
+
 static int check_perms(uid_t uid)
 {
        int i;
@@ -466,8 +508,10 @@ out:
 
 /**
  * Send the current audiod status to all connected stat clients.
+ *
+ * \param force Whether to write unchanged items.
  */
-void audiod_status_dump(void)
+void audiod_status_dump(bool force)
 {
        int slot_num = get_play_time_slot_num();
        char *old, *new;
@@ -475,7 +519,7 @@ void audiod_status_dump(void)
        old = stat_item_values[SI_PLAY_TIME];
        new = get_time_string(slot_num);
        if (new) {
-               if (!old || strcmp(old, new)) {
+               if (force || !old || strcmp(old, new)) {
                        free(old);
                        stat_item_values[SI_PLAY_TIME] = new;
                        stat_client_write_item(SI_PLAY_TIME);
@@ -483,9 +527,9 @@ void audiod_status_dump(void)
                        free(new);
        }
 
-       new = get_server_uptime_str(now);
+       new = daemon_get_uptime_str(now);
        old = stat_item_values[SI_AUDIOD_UPTIME];
-       if (!old || strcmp(old, new)) {
+       if (force || !old || strcmp(old, new)) {
                free(old);
                stat_item_values[SI_AUDIOD_UPTIME] = new;
                stat_client_write_item(SI_AUDIOD_UPTIME);
@@ -494,7 +538,7 @@ void audiod_status_dump(void)
 
        old = stat_item_values[SI_AUDIOD_STATUS];
        new = audiod_status_string();
-       if (!old || strcmp(old, new)) {
+       if (force || !old || strcmp(old, new)) {
                free(old);
                stat_item_values[SI_AUDIOD_STATUS] = new;
                stat_client_write_item(SI_AUDIOD_STATUS);
@@ -503,7 +547,7 @@ void audiod_status_dump(void)
 
        old = stat_item_values[SI_DECODER_FLAGS];
        new = decoder_flags();
-       if (!old || strcmp(old, new)) {
+       if (force || !old || strcmp(old, new)) {
                free(old);
                stat_item_values[SI_DECODER_FLAGS] = new;
                stat_client_write_item(SI_DECODER_FLAGS);