1 /* Copyright 2020-2021 IGEL Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include "lease-manager.h"
17 #include "lease-server.h"
25 static void usage(const char *progname)
27 printf("Usage: %s [OPTIONS] [<DRM device>]\n\n"
29 "-h, --help \tPrint this help\n"
30 "-v, --verbose \tEnable verbose debug messages\n"
31 "-t, --lease-transfer \tAllow lease transfter to new clients\n"
32 "-k, --keep-on-crash \tDon't close lease on client crash\n",
36 const char *opts = "vtkh";
37 const struct option options[] = {
38 {"help", no_argument, NULL, 'h'},
39 {"verbose", no_argument, NULL, 'v'},
40 {"lease-transfer", no_argument, NULL, 't'},
41 {"keep-on-crash", no_argument, NULL, 'k'},
45 int main(int argc, char **argv)
47 char *device = "/dev/dri/card0";
49 bool debug_log = false;
50 bool can_transfer_leases = false;
51 bool keep_on_crash = false;
54 while ((c = getopt_long(argc, argv, opts, options, NULL)) != -1) {
55 int ret = EXIT_FAILURE;
61 can_transfer_leases = true;
76 device = argv[optind];
78 dlm_log_enable_debug(debug_log);
80 struct lm *lm = lm_create(device);
82 ERROR_LOG("DRM Lease initialization failed\n");
86 struct lease_handle **lease_handles = NULL;
87 int count_ids = lm_get_lease_handles(lm, &lease_handles);
88 assert(count_ids > 0);
90 struct ls *ls = ls_create(lease_handles, count_ids);
93 ERROR_LOG("Client socket initialization failed\n");
98 while (ls_get_request(ls, &req)) {
100 case LS_REQ_GET_LEASE: {
101 int fd = lm_lease_grant(lm, req.lease_handle);
103 if (fd < 0 && can_transfer_leases)
104 fd = lm_lease_transfer(lm, req.lease_handle);
108 "Can't fulfill lease request: lease=%s\n",
109 req.lease_handle->name);
110 ls_disconnect_client(ls, req.client);
114 struct ls_client *active_client =
115 req.lease_handle->user_data;
117 ls_disconnect_client(ls, active_client);
119 req.lease_handle->user_data = req.client;
121 if (!ls_send_fd(ls, req.client, fd)) {
123 "Client communication error: lease=%s\n",
124 req.lease_handle->name);
125 ls_disconnect_client(ls, req.client);
126 lm_lease_revoke(lm, req.lease_handle);
130 case LS_REQ_RELEASE_LEASE:
131 case LS_REQ_CLIENT_DISCONNECT:
132 ls_disconnect_client(ls, req.client);
133 req.lease_handle->user_data = NULL;
134 lm_lease_revoke(lm, req.lease_handle);
136 if (!keep_on_crash || req.type == LS_REQ_RELEASE_LEASE)
137 lm_lease_close(req.lease_handle);
141 ERROR_LOG("Internal error: Invalid lease request\n");