static void handle_get_play_status(const void *buf, uint16_t len)
{
const struct hal_cmd_avrcp_get_play_status *cmd = buf;
uint8_t status;
struct avrcp_request *req;
int ret;
DBG("");
req = pop_request(AVRCP_GET_PLAY_STATUS, 0, false);
if (!req) {
status = HAL_STATUS_FAILED;
goto done;
}
ret = avrcp_get_play_status_rsp(req->dev->session, req->transaction,
cmd->position, cmd->duration,
cmd->status);
if (ret < 0) {
status = HAL_STATUS_FAILED;
g_free(req);
goto done;
}
status = HAL_STATUS_SUCCESS;
g_free(req);
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_AVRCP,
HAL_OP_AVRCP_GET_PLAY_STATUS, status);
}
void h2_mplx_request_done(h2_mplx **pm, int stream_id, const h2_request **preq)
{
h2_mplx *m = *pm;
int acquired;
if (enter_mutex(m, &acquired) == APR_SUCCESS) {
h2_io *io = h2_io_set_get(m->stream_ios, stream_id);
ap_log_cerror(APLOG_MARK, APLOG_TRACE2, 0, m->c,
"h2_mplx(%ld): request(%d) done", m->id, stream_id);
if (io) {
io->worker_done = 1;
if (io->orphaned) {
io_destroy(m, io, 0);
if (m->join_wait) {
apr_thread_cond_signal(m->join_wait);
}
}
else {
/* hang around until the stream deregisteres */
}
}
if (preq) {
/* someone wants another request, if we have */
*preq = pop_request(m);
}
if (!preq || !*preq) {
/* No request to hand back to the worker, NULLify reference
* and decrement count */
*pm = NULL;
}
leave_mutex(m, acquired);
}
}
static int fn(void *d)
{
struct l4fdx_client *client = d;
int err;
err = sys_setregid(client->gid, client->gid);
err = sys_setreuid(client->uid, client->uid);
err = sys_setsid();
if (client->capname)
snprintf(current->comm, sizeof(current->comm),
"l4xfdx-%s", client->capname);
else
snprintf(current->comm, sizeof(current->comm),
"l4xfdx-%lx", client->cap >> L4_CAP_SHIFT);
current->comm[sizeof(current->comm) - 1] = 0;
set_user_nice(current, -20);
while (!should_stop || !list_empty(&client->req_list)) {
struct internal_request *r;
wait_event_interruptible(client->event,
!list_empty(&client->req_list)
|| should_stop);
r = pop_request(client->srv_obj);
switch (r->type) {
case L4FS_REQ_OPEN:
fn_open(client->srv_obj, r);
break;
case L4FS_REQ_READ:
fn_read(client->srv_obj, r);
break;
case L4FS_REQ_WRITE:
fn_write(client->srv_obj, r);
break;
case L4FS_REQ_CLOSE:
fn_close(client->srv_obj, r);
break;
case L4FS_REQ_FSTAT64:
fn_fstat64(client->srv_obj, r);
break;
default:
pr_err("l4fdx: Invalid type=%d\n", r->type);
break;
}
}
return 0;
}
void free_request(jsonrpc_request_t* req)
{
if(!req)
return;
pop_request(req->id);
CHECK_AND_FREE_EV(req->retry_ev);
CHECK_AND_FREE_EV(req->timeout_ev);
if(req->payload) json_decref(req->payload);
pkg_free(req);
}
const h2_request *h2_mplx_pop_request(h2_mplx *m, int *has_more)
{
const h2_request *req = NULL;
apr_status_t status;
int acquired;
AP_DEBUG_ASSERT(m);
if ((status = enter_mutex(m, &acquired)) == APR_SUCCESS) {
if (m->aborted) {
req = NULL;
*has_more = 0;
}
else {
req = pop_request(m);
*has_more = !h2_tq_empty(m->q);
}
leave_mutex(m, acquired);
}
return req;
}
static void handle_get_element_attrs_text(const void *buf, uint16_t len)
{
struct hal_cmd_avrcp_get_element_attrs_text *cmd = (void *) buf;
uint8_t status;
struct avrcp_request *req;
uint8_t pdu[IPC_MTU];
uint8_t *ptr;
size_t pdu_len;
int ret;
DBG("");
req = pop_request(AVRCP_GET_ELEMENT_ATTRIBUTES, 0, false);
if (!req) {
status = HAL_STATUS_FAILED;
goto done;
}
ptr = (uint8_t *) &cmd->values[0];
pdu_len = 0;
write_element_attrs(ptr, cmd->number, pdu, &pdu_len);
ret = avrcp_get_element_attrs_rsp(req->dev->session, req->transaction,
pdu, pdu_len);
if (ret < 0) {
status = HAL_STATUS_FAILED;
g_free(req);
goto done;
}
status = HAL_STATUS_SUCCESS;
g_free(req);
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_AVRCP,
HAL_OP_AVRCP_GET_ELEMENT_ATTRS_TEXT, status);
}
static void handle_register_notification(const void *buf, uint16_t len)
{
struct hal_cmd_avrcp_register_notification *cmd = (void *) buf;
uint8_t status;
struct avrcp_request *req;
uint8_t pdu[IPC_MTU];
size_t pdu_len;
uint8_t code;
bool peek = false;
int ret;
DBG("");
switch (cmd->type) {
case HAL_AVRCP_EVENT_TYPE_INTERIM:
code = AVC_CTYPE_INTERIM;
peek = true;
break;
case HAL_AVRCP_EVENT_TYPE_CHANGED:
code = AVC_CTYPE_CHANGED;
break;
default:
status = HAL_STATUS_FAILED;
goto done;
}
req = pop_request(AVRCP_REGISTER_NOTIFICATION, cmd->event, peek);
if (!req) {
status = HAL_STATUS_FAILED;
goto done;
}
pdu[0] = cmd->event;
pdu_len = 1;
switch (cmd->event) {
case AVRCP_EVENT_STATUS_CHANGED:
case AVRCP_EVENT_TRACK_CHANGED:
case AVRCP_EVENT_PLAYBACK_POS_CHANGED:
memcpy(&pdu[1], cmd->data, cmd->len);
pdu_len += cmd->len;
break;
default:
status = HAL_STATUS_FAILED;
goto done;
}
ret = avrcp_register_notification_rsp(req->dev->session,
req->transaction, code,
pdu, pdu_len);
if (ret < 0) {
status = HAL_STATUS_FAILED;
if (!peek)
g_free(req);
goto done;
}
status = HAL_STATUS_SUCCESS;
if (!peek)
g_free(req);
done:
ipc_send_rsp(hal_ipc, HAL_SERVICE_ID_AVRCP,
HAL_OP_AVRCP_REGISTER_NOTIFICATION, status);
}
int handle_response(json_t* response)
{
int retval = 0;
jsonrpc_request_t* req = NULL;
json_t* return_obj = NULL;
json_t* internal = NULL;
char* freeme = NULL;
/* check if json object */
if(!json_is_object(response)){
WARN("jsonrpc response is not an object\n");
return -1;
}
/* check version */
json_t* version = json_object_get(response, "jsonrpc");
if(!version) {
WARN("jsonrpc response does not have a version.\n");
retval = -1;
goto end;
}
const char* version_s = json_string_value(version);
if(!version_s){
WARN("jsonrpc response version is not a string.\n");
retval = -1;
goto end;
}
if (strlen(version_s) != (sizeof(JSONRPC_VERSION)-1)
|| strncmp(version_s, JSONRPC_VERSION, sizeof(JSONRPC_VERSION)-1) != 0) {
WARN("jsonrpc response version is not %s. version: %s\n",
JSONRPC_VERSION, version_s);
retval = -1;
goto end;
}
/* check for an id */
json_t* _id = json_object_get(response, "id");
if(!_id) {
WARN("jsonrpc response does not have an id.\n");
retval = -1;
goto end;
}
int id = json_integer_value(_id);
if (!(req = pop_request(id))) {
/* don't fail the server for an unrecognized id */
retval = 0;
goto end;
}
return_obj = json_object();
json_t* error = json_object_get(response, "error");
// if the error value is null, we don't care
bool _error = error && (json_typeof(error) != JSON_NULL);
json_t* result = json_object_get(response, "result");
if(_error) {
json_object_set(return_obj, "error", error);
}
if(result) {
json_object_set(return_obj, "result", result);
}
if ((!result && !_error) || (result && _error)) {
WARN("bad response\n");
internal = internal_error(JRPC_ERR_BAD_RESP, req->payload);
json_object_update(return_obj, internal);
if(internal) json_decref(internal);
}
pv_value_t val;
if(jsontoval(&val, &freeme, return_obj)<0) {
fail_request(
JRPC_ERR_TO_VAL,
req,
"Failed to convert response json to pv\n");
retval = -1;
goto end;
}
char* error_s = NULL;
if(send_to_script(&val, req->cmd)>=0) {
goto free_and_end;
}
if(_error) {
// get code from error
json_t* _code = json_object_get(error, "code");
if(_code) {
int code = json_integer_value(_code);
// check if code is in global_retry_ranges
retry_range_t* tmpr;
for(tmpr = global_retry_ranges;
tmpr != NULL;
tmpr = tmpr->next) {
if((tmpr->start < tmpr->end
&& tmpr->start <= code && code <= tmpr->end)
|| (tmpr->end < tmpr->start
&& tmpr->end <= code && code <= tmpr->start)
|| (tmpr->start == tmpr->end && tmpr->start == code)) {
if(schedule_retry(req)==0) {
goto end;
}
break;
}
}
}
error_s = json_dumps(error, JSON_COMPACT);
if(error_s) {
WARN("Request received an error: \n%s\n", error_s);
free(error_s);
} else {
fail_request(
JRPC_ERR_BAD_RESP,
req,
"Could not convert 'error' response to string");
retval = -1;
goto end;
}
}
free_and_end:
free_req_cmd(req->cmd);
free_request(req);
end:
if(freeme) free(freeme);
if(return_obj) json_decref(return_obj);
return retval;
}