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.
17 #include "lease-config.h"
18 #include "lease-manager.h"
19 #include "lease-server.h"
27 #ifdef HAVE_SYSTEMD_DAEMON
28 #include <systemd/sd-daemon.h>
31 static void usage(const char *progname)
33 printf("Usage: %s [OPTIONS] [<DRM device>]\n\n"
35 "-h, --help \tPrint this help\n"
36 "-c, --config \t path to configuration file (default "
37 "/etc/drm-lease-manager.toml)\n"
38 "-v, --verbose \tEnable verbose debug messages\n"
39 "-t, --lease-transfer \tAllow lease transfter to new clients\n"
40 "-k, --keep-on-crash \tDon't close lease on client crash\n",
44 const char *opts = "vtkhc:";
45 const struct option options[] = {
46 {"help", no_argument, NULL, 'h'},
47 {"verbose", no_argument, NULL, 'v'},
48 {"lease-transfer", no_argument, NULL, 't'},
49 {"keep-on-crash", no_argument, NULL, 'k'},
50 {"config", required_argument, NULL, 'c'},
54 int main(int argc, char **argv)
57 char *config_file = "/etc/drm-lease-manager.toml";
59 bool debug_log = false;
60 bool can_transfer_leases = false;
61 bool keep_on_crash = false;
64 while ((c = getopt_long(argc, argv, opts, options, NULL)) != -1) {
65 int ret = EXIT_FAILURE;
71 can_transfer_leases = true;
89 device = argv[optind];
91 dlm_log_enable_debug(debug_log);
93 struct lease_config *lease_configs = NULL;
94 int num_configs = parse_config(config_file, &lease_configs);
97 lm_create_with_config(device, num_configs, lease_configs);
100 ERROR_LOG("DRM Lease initialization failed\n");
104 struct lease_handle **lease_handles = NULL;
105 int count_ids = lm_get_lease_handles(lm, &lease_handles);
106 assert(count_ids > 0);
108 struct ls *ls = ls_create(lease_handles, count_ids);
111 ERROR_LOG("Client socket initialization failed\n");
115 #ifdef HAVE_SYSTEMD_DAEMON
116 sd_notify(1, "READY=1");
120 while (ls_get_request(ls, &req)) {
122 case LS_REQ_GET_LEASE: {
123 int fd = lm_lease_grant(lm, req.lease_handle);
125 if (fd < 0 && can_transfer_leases)
126 fd = lm_lease_transfer(lm, req.lease_handle);
130 "Can't fulfill lease request: lease=%s\n",
131 req.lease_handle->name);
132 ls_disconnect_client(ls, req.client);
136 struct ls_client *active_client =
137 req.lease_handle->user_data;
139 ls_disconnect_client(ls, active_client);
141 req.lease_handle->user_data = req.client;
143 if (!ls_send_fd(ls, req.client, fd)) {
145 "Client communication error: lease=%s\n",
146 req.lease_handle->name);
147 ls_disconnect_client(ls, req.client);
148 lm_lease_revoke(lm, req.lease_handle);
152 case LS_REQ_RELEASE_LEASE:
153 case LS_REQ_CLIENT_DISCONNECT:
154 ls_disconnect_client(ls, req.client);
155 req.lease_handle->user_data = NULL;
156 lm_lease_revoke(lm, req.lease_handle);
158 if (!keep_on_crash || req.type == LS_REQ_RELEASE_LEASE)
159 lm_lease_close(req.lease_handle);
163 ERROR_LOG("Internal error: Invalid lease request\n");
170 release_config(num_configs, lease_configs);