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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include <getopt.h>
#include "../include/asoundlib.h"
#include "seq-decoder.c"
#include "seq-sender.c"
#define SEQ_VERSION "0.0.1"
#define HELPID_HELP 1000
#define HELPID_DEBUG 1001
#define HELPID_VERBOSE 1002
#define HELPID_VERSION 1003
int max_clients;
int max_ports;
int max_queues;
int debug = 0;
int verbose = 0;
void set_name(snd_seq_t *handle)
{
int err;
char name[64];
sprintf(name, "SeqUtil - %i", getpid());
if ((err = snd_seq_set_client_name(handle, name)) < 0) {
fprintf(stderr, "Set client info error: %s\n", snd_strerror(err));
exit(0);
}
}
void system_info(snd_seq_t *handle)
{
int err;
snd_seq_system_info_t *sysinfo;
snd_seq_system_info_alloca(&sysinfo);
if ((err = snd_seq_system_info(handle, sysinfo))<0) {
fprintf(stderr, "System info error: %s\n", snd_strerror(err));
exit(0);
}
max_clients = snd_seq_system_info_get_clients(sysinfo);
max_ports = snd_seq_system_info_get_ports(sysinfo);
max_queues = snd_seq_system_info_get_ports(sysinfo);
}
void show_system_info(snd_seq_t *handle)
{
printf("System info\n");
printf(" Max queues : %i\n", max_queues);
printf(" Max clients : %i\n", max_clients);
printf(" Max ports : %i\n", max_ports);
}
void show_queue_status(snd_seq_t *handle, int queue)
{
int err, idx, min, max;
snd_seq_queue_status_t *status;
snd_seq_queue_status_alloca(&status);
min = queue < 0 ? 0 : queue;
max = queue < 0 ? max_queues : queue + 1;
for (idx = min; idx < max; idx++) {
if ((err = snd_seq_get_queue_status(handle, idx, status))<0) {
if (err == -ENOENT)
continue;
fprintf(stderr, "Client %i info error: %s\n", idx, snd_strerror(err));
exit(0);
}
printf("Queue %i info\n", snd_seq_queue_status_get_queue(status));
printf(" Tick : %u\n", snd_seq_queue_status_get_tick_time(status));
printf(" Realtime : %i.%i\n",
snd_seq_queue_status_get_real_time(status)->tv_sec,
snd_seq_queue_status_get_real_time(status)->tv_nsec);
printf(" Flags : 0x%x\n", snd_seq_queue_status_get_status(status));
}
}
void show_port_info(snd_seq_t *handle, int client, int port)
{
int err, idx, min, max;
snd_seq_port_info_t *info;
snd_seq_port_info_alloca(&info);
min = port < 0 ? 0 : port;
max = port < 0 ? max_ports : port + 1;
for (idx = min; idx < max; idx++) {
if ((err = snd_seq_get_any_port_info(handle, client, idx, info))<0) {
if (err == -ENOENT)
continue;
fprintf(stderr, "Port %i/%i info error: %s\n", client, idx, snd_strerror(err));
exit(0);
}
printf(" Port %i info\n", idx);
printf(" Client : %i\n", snd_seq_port_info_get_client(info));
printf(" Port : %i\n", snd_seq_port_info_get_port(info));
printf(" Name : %s\n", snd_seq_port_info_get_name(info));
printf(" Capability : 0x%x\n", snd_seq_port_info_get_capability(info));
printf(" Type : 0x%x\n", snd_seq_port_info_get_type(info));
//printf(" Midi channels : %i\n", info.midi_channels);
//printf(" Synth voices : %i\n", info.synth_voices);
printf(" Output subs : %i\n", snd_seq_port_info_get_write_use(info));
printf(" Input subs : %i\n", snd_seq_port_info_get_read_use(info));
}
}
void show_client_info(snd_seq_t *handle, int client)
{
int err, idx, min, max;
snd_seq_client_info_t *info;
snd_seq_client_info_alloca(&info);
min = client < 0 ? 0 : client;
max = client < 0 ? max_clients : client + 1;
for (idx = min; idx < max; idx++) {
if ((err = snd_seq_get_any_client_info(handle, idx, info))<0) {
if (err == -ENOENT)
continue;
fprintf(stderr, "Client %i info error: %s\n", idx, snd_strerror(err));
exit(0);
}
printf("Client %i info\n", idx);
if (verbose)
printf(" Client : %i\n", snd_seq_client_info_get_client(info));
printf(" Type : %s\n", snd_seq_client_info_get_type(info) == SND_SEQ_KERNEL_CLIENT ? "kernel" : "user");
printf(" Name : %s\n", snd_seq_client_info_get_name(info));
}
}
static void help(void)
{
printf("Usage: seq <options> command\n");
printf("\nAvailable options:\n");
printf(" -h,--help this help\n");
printf(" -d,--debug debug mode\n");
printf(" -v,--verbose verbose mode\n");
printf(" -V,--version print version of this program\n");
printf("\nAvailable commands:\n");
printf(" system show basic sequencer info\n");
printf(" queue [#] show all queues or specified queue\n");
printf(" client [#] show all clients or specified client\n");
printf(" port <client> [#] show all ports or specified port for specified client\n");
printf(" decoder event decoder\n");
printf(" sender <client.port> [<client.port>] ... event sender\n");
}
int main(int argc, char *argv[])
{
int morehelp, err, arg, arg1;
snd_seq_t *handle;
static struct option long_option[] =
{
{"help", 0, NULL, HELPID_HELP},
{"debug", 0, NULL, HELPID_DEBUG},
{"verbose", 0, NULL, HELPID_VERBOSE},
{"version", 0, NULL, HELPID_VERSION},
{NULL, 0, NULL, 0},
};
morehelp = 0;
while (1) {
int c;
if ((c = getopt_long(argc, argv, "hdvV", long_option, NULL)) < 0)
break;
switch (c) {
case 'h':
case HELPID_HELP:
morehelp++;
break;
case 'd':
case HELPID_DEBUG:
debug = 1;
break;
case 'v':
case HELPID_VERBOSE:
verbose = 1;
break;
case 'V':
case HELPID_VERSION:
printf("alsactl version " SEQ_VERSION "\n");
return 1;
default:
fprintf(stderr, "\07Invalid switch or option needs an argument.\n");
morehelp++;
}
}
if (morehelp) {
help();
return 1;
}
if (argc - optind <= 0) {
fprintf(stderr, "seq: Specify command...\n");
return 0;
}
if ((err = snd_seq_open(&handle, "hw", SND_SEQ_OPEN_DUPLEX, 0))<0) {
fprintf(stderr, "Open error: %s\n", snd_strerror(err));
exit(0);
}
set_name(handle);
system_info(handle);
if (!strcmp(argv[optind], "system")) {
show_system_info(handle);
} else if (!strcmp(argv[optind], "queue")) {
arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
show_queue_status(handle, arg);
} else if (!strcmp(argv[optind], "client")) {
arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
show_client_info(handle, arg);
} else if (!strcmp(argv[optind], "port")) {
arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
if (arg < 0) {
fprintf(stderr, "Specify port...\n");
exit(0);
}
arg1 = argc - optind > 2 ? atoi(argv[optind + 2]) : -1;
show_port_info(handle, arg, arg1);
} else if (!strcmp(argv[optind], "decoder")) {
event_decoder(handle, argc - optind - 1, argv + optind + 1);
} else if (!strcmp(argv[optind], "sender")) {
event_sender(handle, argc - optind - 1, argv + optind + 1);
} else {
help();
}
exit(1);
}
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