1 #include "config.h"
2
3 #include <stdio.h>
4 #include <stdlib.h>
5 #include <string.h>
6 #include <errno.h>
7 #include <ctype.h>
8 #include <getopt.h>
9 #include "../include/asoundlib.h"
10
11 #include "seq-decoder.c"
12 #include "seq-sender.c"
13
14 #define SEQ_VERSION "0.0.1"
15
16 #define HELPID_HELP 1000
17 #define HELPID_DEBUG 1001
18 #define HELPID_VERBOSE 1002
19 #define HELPID_VERSION 1003
20
21 int max_clients;
22 int max_ports;
23 int max_queues;
24 int debug = 0;
25 int verbose = 0;
26
set_name(snd_seq_t *handle)27 void set_name(snd_seq_t *handle)
28 {
29 int err;
30 char name[64];
31
32 sprintf(name, "SeqUtil - %i", getpid());
33 if ((err = snd_seq_set_client_name(handle, name)) < 0) {
34 fprintf(stderr, "Set client info error: %s\n", snd_strerror(err));
35 exit(0);
36 }
37 }
38
system_info(snd_seq_t *handle)39 void system_info(snd_seq_t *handle)
40 {
41 int err;
42 snd_seq_system_info_t *sysinfo;
43
44 snd_seq_system_info_alloca(&sysinfo);
45 if ((err = snd_seq_system_info(handle, sysinfo))<0) {
46 fprintf(stderr, "System info error: %s\n", snd_strerror(err));
47 exit(0);
48 }
49 max_clients = snd_seq_system_info_get_clients(sysinfo);
50 max_ports = snd_seq_system_info_get_ports(sysinfo);
51 max_queues = snd_seq_system_info_get_ports(sysinfo);
52 }
53
show_system_info(snd_seq_t *handle ATTRIBUTE_UNUSED)54 void show_system_info(snd_seq_t *handle ATTRIBUTE_UNUSED)
55 {
56 printf("System info\n");
57 printf(" Max queues : %i\n", max_queues);
58 printf(" Max clients : %i\n", max_clients);
59 printf(" Max ports : %i\n", max_ports);
60 }
61
show_queue_status(snd_seq_t *handle, int queue)62 void show_queue_status(snd_seq_t *handle, int queue)
63 {
64 int err, idx, min, max;
65 snd_seq_queue_status_t *status;
66
67 snd_seq_queue_status_alloca(&status);
68 min = queue < 0 ? 0 : queue;
69 max = queue < 0 ? max_queues : queue + 1;
70 for (idx = min; idx < max; idx++) {
71 if ((err = snd_seq_get_queue_status(handle, idx, status))<0) {
72 if (err == -ENOENT)
73 continue;
74 fprintf(stderr, "Client %i info error: %s\n", idx, snd_strerror(err));
75 exit(0);
76 }
77 printf("Queue %i info\n", snd_seq_queue_status_get_queue(status));
78 printf(" Tick : %u\n", snd_seq_queue_status_get_tick_time(status));
79 printf(" Realtime : %i.%i\n",
80 snd_seq_queue_status_get_real_time(status)->tv_sec,
81 snd_seq_queue_status_get_real_time(status)->tv_nsec);
82 printf(" Flags : 0x%x\n", snd_seq_queue_status_get_status(status));
83 }
84 }
85
show_port_info(snd_seq_t *handle, int client, int port)86 void show_port_info(snd_seq_t *handle, int client, int port)
87 {
88 int err, idx, min, max;
89 snd_seq_port_info_t *info;
90
91 snd_seq_port_info_alloca(&info);
92 min = port < 0 ? 0 : port;
93 max = port < 0 ? max_ports : port + 1;
94 for (idx = min; idx < max; idx++) {
95 if ((err = snd_seq_get_any_port_info(handle, client, idx, info))<0) {
96 if (err == -ENOENT)
97 continue;
98 fprintf(stderr, "Port %i/%i info error: %s\n", client, idx, snd_strerror(err));
99 exit(0);
100 }
101 printf(" Port %i info\n", idx);
102 printf(" Client : %i\n", snd_seq_port_info_get_client(info));
103 printf(" Port : %i\n", snd_seq_port_info_get_port(info));
104 printf(" Name : %s\n", snd_seq_port_info_get_name(info));
105 printf(" Capability : 0x%x\n", snd_seq_port_info_get_capability(info));
106 printf(" Type : 0x%x\n", snd_seq_port_info_get_type(info));
107 //printf(" Midi channels : %i\n", info.midi_channels);
108 //printf(" Synth voices : %i\n", info.synth_voices);
109 printf(" Output subs : %i\n", snd_seq_port_info_get_write_use(info));
110 printf(" Input subs : %i\n", snd_seq_port_info_get_read_use(info));
111 }
112 }
113
show_client_info(snd_seq_t *handle, int client)114 void show_client_info(snd_seq_t *handle, int client)
115 {
116 int err, idx, min, max;
117 snd_seq_client_info_t *info;
118
119 snd_seq_client_info_alloca(&info);
120 min = client < 0 ? 0 : client;
121 max = client < 0 ? max_clients : client + 1;
122 for (idx = min; idx < max; idx++) {
123 if ((err = snd_seq_get_any_client_info(handle, idx, info))<0) {
124 if (err == -ENOENT)
125 continue;
126 fprintf(stderr, "Client %i info error: %s\n", idx, snd_strerror(err));
127 exit(0);
128 }
129 printf("Client %i info\n", idx);
130 if (verbose)
131 printf(" Client : %i\n", snd_seq_client_info_get_client(info));
132 printf(" Type : %s\n", snd_seq_client_info_get_type(info) == SND_SEQ_KERNEL_CLIENT ? "kernel" : "user");
133 printf(" Name : %s\n", snd_seq_client_info_get_name(info));
134 }
135 }
136
help(void)137 static void help(void)
138 {
139 printf("Usage: seq <options> command\n");
140 printf("\nAvailable options:\n");
141 printf(" -h,--help this help\n");
142 printf(" -d,--debug debug mode\n");
143 printf(" -v,--verbose verbose mode\n");
144 printf(" -V,--version print version of this program\n");
145 printf("\nAvailable commands:\n");
146 printf(" system show basic sequencer info\n");
147 printf(" queue [#] show all queues or specified queue\n");
148 printf(" client [#] show all clients or specified client\n");
149 printf(" port <client> [#] show all ports or specified port for specified client\n");
150 printf(" decoder event decoder\n");
151 printf(" sender <client.port> [<client.port>] ... event sender\n");
152 }
153
main(int argc, char *argv[])154 int main(int argc, char *argv[])
155 {
156 int morehelp, err, arg, arg1;
157 snd_seq_t *handle;
158 static struct option long_option[] =
159 {
160 {"help", 0, NULL, HELPID_HELP},
161 {"debug", 0, NULL, HELPID_DEBUG},
162 {"verbose", 0, NULL, HELPID_VERBOSE},
163 {"version", 0, NULL, HELPID_VERSION},
164 {NULL, 0, NULL, 0},
165 };
166
167 morehelp = 0;
168
169 while (1) {
170 int c;
171
172 if ((c = getopt_long(argc, argv, "hdvV", long_option, NULL)) < 0)
173 break;
174 switch (c) {
175 case 'h':
176 case HELPID_HELP:
177 morehelp++;
178 break;
179 case 'd':
180 case HELPID_DEBUG:
181 debug = 1;
182 break;
183 case 'v':
184 case HELPID_VERBOSE:
185 verbose = 1;
186 break;
187 case 'V':
188 case HELPID_VERSION:
189 printf("alsactl version " SEQ_VERSION "\n");
190 return 1;
191 default:
192 fprintf(stderr, "\07Invalid switch or option needs an argument.\n");
193 morehelp++;
194 }
195 }
196 if (morehelp) {
197 help();
198 return 1;
199 }
200 if (argc - optind <= 0) {
201 fprintf(stderr, "seq: Specify command...\n");
202 return 0;
203 }
204 if ((err = snd_seq_open(&handle, "hw", SND_SEQ_OPEN_DUPLEX, 0))<0) {
205 fprintf(stderr, "Open error: %s\n", snd_strerror(err));
206 exit(0);
207 }
208 set_name(handle);
209 system_info(handle);
210
211 if (!strcmp(argv[optind], "system")) {
212 show_system_info(handle);
213 } else if (!strcmp(argv[optind], "queue")) {
214 arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
215 show_queue_status(handle, arg);
216 } else if (!strcmp(argv[optind], "client")) {
217 arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
218 show_client_info(handle, arg);
219 } else if (!strcmp(argv[optind], "port")) {
220 arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
221 if (arg < 0) {
222 fprintf(stderr, "Specify port...\n");
223 exit(0);
224 }
225 arg1 = argc - optind > 2 ? atoi(argv[optind + 2]) : -1;
226 show_port_info(handle, arg, arg1);
227 } else if (!strcmp(argv[optind], "decoder")) {
228 event_decoder(handle, argc - optind - 1, argv + optind + 1);
229 } else if (!strcmp(argv[optind], "sender")) {
230 event_sender(handle, argc - optind - 1, argv + optind + 1);
231 } else {
232 help();
233 }
234 exit(1);
235 }
236