1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/* PipeWire AGL Cluster IPC
*
* Copyright © 2021 Collabora Ltd.
* @author Julian Bouzas <julian.bouzas@collabora.com>
*
* SPDX-License-Identifier: MIT
*/
#include <pthread.h>
#include <assert.h>
#include <spa/pod/builder.h>
#include <icipc/icipc.h>
struct client_data {
struct icipc_client *c;
pthread_mutex_t mutex;
pthread_cond_t cond;
bool reply_received;
};
static void
reply_handler (struct icipc_sender *self, const uint8_t *buffer, size_t size, void *p)
{
struct client_data *data = p;
const char *error = NULL;
if (buffer) {
const struct spa_pod *pod = icipc_client_send_request_finish (self, buffer, size, &error);
if (!pod)
printf ("error: %s\n", error ? error : "unknown");
else
printf ("success!\n");
} else {
printf ("error: lost connection with server\n");
}
/* signal reply received */
pthread_mutex_lock (&data->mutex);
data->reply_received = true;
pthread_cond_signal (&data->cond);
pthread_mutex_unlock (&data->mutex);
}
int
main (int argc, char *argv[])
{
struct client_data data;
if (argc < 2) {
printf ("usage: <server-path>\n");
return -1;
}
/* init */
data.c = icipc_client_new (argv[1], true);
pthread_mutex_init (&data.mutex, NULL);
pthread_cond_init (&data.cond, NULL);
data.reply_received = false;
while (true) {
char str[1024];
printf ("> ");
fgets (str, 1023, stdin);
if (strncmp (str, "help", 4) == 0) {
printf ("help\tprints this message\n");
printf ("quit\texits the client\n");
printf ("send\tsends a request, usage: send <request-name> [args]\n");
} else if (strncmp (str, "quit", 4) == 0) {
printf ("exiting...\n");
break;
} else if (strncmp (str, "send", 4) == 0) {
char request_name[128];
char request_args[1024];
int n = sscanf(str, "send %s %s", request_name, request_args);
if (n <= 0)
continue;
/* send request */
if (n >= 2) {
/* TODO: for now we always create a string pod for args */
struct {
struct spa_pod_string pod;
char str[1024];
} args;
args.pod = SPA_POD_INIT_String(1024);
strncpy (args.str, request_args, 1024);
icipc_client_send_request (data.c, request_name, (const struct spa_pod *)&args,
reply_handler, &data);
} else {
icipc_client_send_request (data.c, request_name, NULL, reply_handler, &data);
}
/* wait for reply */
pthread_mutex_lock (&data.mutex);
while (!data.reply_received)
pthread_cond_wait (&data.cond, &data.mutex);
pthread_mutex_unlock (&data.mutex);
}
}
/* clean up */
pthread_cond_destroy (&data.cond);
pthread_mutex_destroy (&data.mutex);
icipc_client_free (data.c);
return 0;
}
|
