static void
disable_observing(struct sol_coap_packet *req, struct sol_coap_server *server,
struct sol_str_slice path[], const struct sol_network_link_addr *cliaddr)
{
struct sol_coap_packet *pkt = sol_coap_packet_new(req);
uint8_t observe = 1;
int i, r;
if (!pkt)
return;
r = sol_coap_header_set_code(pkt, SOL_COAP_METHOD_GET);
SOL_INT_CHECK_GOTO(r, < 0, err);
r = sol_coap_header_set_type(pkt, SOL_COAP_TYPE_CON);
SOL_INT_CHECK_GOTO(r, < 0, err);
r = sol_coap_add_option(pkt, SOL_COAP_OPTION_OBSERVE, &observe, sizeof(observe));
SOL_INT_CHECK_GOTO(r, < 0, err);
for (i = 0; path[i].data; i++)
sol_coap_add_option(pkt, SOL_COAP_OPTION_URI_PATH, path[i].data, path[i].len);
sol_coap_send_packet(server, pkt, cliaddr);
SOL_INF("Disabled observing");
return;
err:
sol_coap_packet_unref(pkt);
}
static int
light_method_get(struct sol_coap_server *server,
const struct sol_coap_resource *resource, struct sol_coap_packet *req,
const struct sol_network_link_addr *cliaddr, void *data)
{
struct sol_coap_packet *resp;
struct sol_buffer *buf;
int r;
resp = sol_coap_packet_new(req);
if (!resp) {
SOL_WRN("Could not build response packet");
return -1;
}
r = sol_coap_header_set_type(resp, SOL_COAP_TYPE_ACK);
SOL_INT_CHECK_GOTO(r, < 0, err);
r = sol_coap_header_set_code(resp, SOL_COAP_RSPCODE_CONTENT);
SOL_INT_CHECK_GOTO(r, < 0, err);
r = sol_coap_packet_get_payload(resp, &buf, NULL);
SOL_INT_CHECK_GOTO(r, < 0, err);
r = light_resource_to_rep(resource, get_scrolllock_led(), buf);
SOL_INT_CHECK_GOTO(r, < 0, err);
return sol_coap_send_packet(server, resp, cliaddr);
err:
sol_coap_packet_unref(resp);
return r;
}
static bool
update_light(void *data)
{
struct light_context *context = data;
struct sol_coap_server *server = context->server;
struct sol_coap_resource *resource = context->resource;
struct sol_coap_packet *pkt;
struct sol_buffer *buf;
int r;
SOL_INF("Emitting notification");
pkt = sol_coap_packet_notification_new(server, resource);
SOL_NULL_CHECK(pkt, false);
r = sol_coap_header_set_code(pkt, SOL_COAP_RSPCODE_CONTENT);
SOL_INT_CHECK_GOTO(r, < 0, err);
r = sol_coap_packet_get_payload(pkt, &buf, NULL);
SOL_INT_CHECK_GOTO(r, < 0, err);
r = light_resource_to_rep(resource, get_scrolllock_led(), buf);
SOL_INT_CHECK_GOTO(r, < 0, err);
return !sol_coap_packet_send_notification(server, resource, pkt);
err:
sol_coap_packet_unref(pkt);
return false;
}
static int
light_method_put(struct sol_coap_server *server,
const struct sol_coap_resource *resource, struct sol_coap_packet *req,
const struct sol_network_link_addr *cliaddr, void *data)
{
sol_coap_responsecode_t code = SOL_COAP_RSPCODE_CONTENT;
struct sol_coap_packet *resp;
struct sol_buffer *buf;
char *sub = NULL;
size_t offset;
bool value;
int r;
sol_coap_packet_get_payload(req, &buf, &offset);
if (buf)
sub = strstr((char *)sol_buffer_at(buf, offset), "state\":");
if (!sub) {
code = SOL_COAP_RSPCODE_BAD_REQUEST;
goto done;
}
value = !memcmp(sub + strlen("state\":"), "true", sizeof("true") - 1);
SOL_INF("Changing light state to %s", value ? "on" : "off");
set_scrolllock_led(value);
done:
resp = sol_coap_packet_new(req);
if (!resp) {
SOL_WRN("Could not build response packet");
return -1;
}
r = sol_coap_header_set_type(resp, SOL_COAP_TYPE_ACK);
SOL_INT_CHECK_GOTO(r, < 0, err);
r = sol_coap_header_set_code(resp, code);
SOL_INT_CHECK_GOTO(r, < 0, err);
return sol_coap_send_packet(server, resp, cliaddr);
err:
sol_coap_packet_unref(resp);
return r;
}
static int
light_method_put(const struct sol_coap_resource *resource, struct sol_coap_packet *req,
const struct sol_network_link_addr *cliaddr, void *data)
{
struct sol_coap_server *server = (void *)data;
struct sol_coap_packet *resp;
char *sub = NULL;
uint8_t *p;
uint16_t len;
bool value;
sol_coap_responsecode_t code = SOL_COAP_RSPCODE_CONTENT;
sol_coap_packet_get_payload(req, &p, &len);
if (p)
sub = strstr((char *)p, "state\":");
if (!sub) {
code = SOL_COAP_RSPCODE_BAD_REQUEST;
goto done;
}
value = !memcmp(sub + strlen("state\":"), "true", sizeof("true") - 1);
SOL_INF("Changing light state to %s", value ? "on" : "off");
set_scrolllock_led(value);
done:
resp = sol_coap_packet_new(req);
if (!resp) {
SOL_WRN("Could not build response packet");
return -1;
}
sol_coap_header_set_type(resp, SOL_COAP_TYPE_ACK);
sol_coap_header_set_code(resp, code);
return sol_coap_send_packet(server, resp, cliaddr);
}
static int
light_method_get(const struct sol_coap_resource *resource, struct sol_coap_packet *req,
const struct sol_network_link_addr *cliaddr, void *data)
{
struct sol_coap_server *server = (void *)data;
struct sol_coap_packet *resp;
uint8_t *payload;
uint16_t len;
resp = sol_coap_packet_new(req);
if (!resp) {
SOL_WRN("Could not build response packet");
return -1;
}
sol_coap_header_set_type(resp, SOL_COAP_TYPE_ACK);
sol_coap_header_set_code(resp, SOL_COAP_RSPCODE_CONTENT);
sol_coap_packet_get_payload(resp, &payload, &len);
len = light_resource_to_rep(resource, get_scrolllock_led(), (char *)payload, len);
sol_coap_packet_set_payload_used(resp, len);
return sol_coap_send_packet(server, resp, cliaddr);
}
static bool
update_light(void *data)
{
struct light_context *context = data;
struct sol_coap_server *server = context->server;
struct sol_coap_resource *resource = context->resource;
struct sol_coap_packet *pkt;
uint8_t *payload;
uint16_t len;
SOL_INF("Emitting notification");
pkt = sol_coap_packet_notification_new(server, resource);
SOL_NULL_CHECK(pkt, false);
sol_coap_header_set_code(pkt, SOL_COAP_RSPCODE_CONTENT);
sol_coap_packet_get_payload(pkt, &payload, &len);
len = light_resource_to_rep(resource, get_scrolllock_led(), (char *)payload, len);
sol_coap_packet_set_payload_used(pkt, len);
return !sol_coap_packet_send_notification(server, resource, pkt);
}
static int
bootstrap_request(void *data, struct sol_coap_server *coap,
const struct sol_coap_resource *resource,
struct sol_coap_packet *req,
const struct sol_network_link_addr *cliaddr)
{
struct sol_lwm2m_bootstrap_client_info *bs_cinfo;
struct sol_lwm2m_bootstrap_server *server = data;
struct sol_coap_packet *response;
struct sol_str_slice client_name = SOL_STR_SLICE_EMPTY;
int r;
size_t i;
bool know_client = false;
SOL_DBG("Client Bootstrap Request received");
response = sol_coap_packet_new(req);
SOL_NULL_CHECK(response, -ENOMEM);
r = extract_bootstrap_client_info(req, &client_name);
SOL_INT_CHECK_GOTO(r, < 0, err_exit);
for (i = 0; server->known_clients[i]; i++) {
if (sol_str_slice_str_eq(client_name, server->known_clients[i]))
know_client = true;
}
if (!know_client) {
SOL_WRN("Client %.*s bootstrap request received, but this Bootstrap Server"
" doesn't have Bootstrap Information for this client.",
SOL_STR_SLICE_PRINT(client_name));
goto err_exit;
}
r = new_bootstrap_client_info(&bs_cinfo, cliaddr, client_name);
SOL_INT_CHECK_GOTO(r, < 0, err_exit);
r = sol_ptr_vector_append(&server->clients, bs_cinfo);
SOL_INT_CHECK_GOTO(r, < 0, err_exit_del_client);
r = sol_coap_header_set_code(response, SOL_COAP_RESPONSE_CODE_CHANGED);
SOL_INT_CHECK_GOTO(r, < 0, err_exit_del_client_list);
SOL_DBG("Client %s bootstrap request received."
" Bootstrap Process will start now.", bs_cinfo->name);
r = sol_coap_send_packet(coap, response, cliaddr);
dispatch_bootstrap_event_to_server(server, bs_cinfo);
return r;
err_exit_del_client_list:
sol_ptr_vector_remove(&server->clients, bs_cinfo);
err_exit_del_client:
bootstrap_client_info_del(bs_cinfo);
err_exit:
sol_coap_header_set_code(response, SOL_COAP_RESPONSE_CODE_BAD_REQUEST);
sol_coap_send_packet(coap, response, cliaddr);
return r;
}