/* on call, propagate it to the dbus service */
static void api_dbus_client_call(struct api_dbus *api, struct afb_req req, struct afb_context *context, const char *verb, size_t lenverb)
{
size_t size;
int rc;
char *method = strndupa(verb, lenverb);
struct dbus_memo *memo;
/* create the recording data */
memo = api_dbus_client_make_memo(req, context);
if (memo == NULL) {
afb_req_fail(req, "error", "out of memory");
return;
}
/* makes the call */
rc = sd_bus_call_method_async(api->sdbus, NULL,
api->name, api->path, api->name, method,
api_dbus_client_on_reply, memo,
"ssu",
afb_req_raw(req, &size),
ctxClientGetUuid(context->session),
(uint32_t)context->flags);
/* if there was an error report it directly */
if (rc < 0) {
errno = -rc;
afb_req_fail(req, "error", "dbus error");
api_dbus_client_free_memo(memo);
}
}
static void seek (struct afb_req request) { /* AFB_SESSION_CHECK */
mediaCtxHandleT *ctx = afb_req_context_get(request);
const char *value = afb_req_value (request, "value");
json_object *jresp;
/* check that context is initialized */
if (ctx == NULL) {
afb_req_fail (request, "failed", "uninitialized");
return;
}
/* no "?value=" parameter : return error */
if (!value) {
afb_req_fail (request, "failed", "you must provide a time");
return;
}
if (!_rygel_do (ctx, SEEK, (char *)value)) {
afb_req_fail (request, "failed", "could not seek chosen media");
return;
}
jresp = json_object_new_object();
json_object_object_add (jresp, "seek", json_object_new_string ("success"));
afb_req_success (request, jresp, "Media - Sought");
}
static void embed_call_void(struct afb_req request, const char *method)
{
struct memo *memo = make_memo(request, method);
if (memo == NULL)
afb_req_fail(request, "failed", "out of memory");
else if (jbus_call_sj(jbus, method, "true", (void*)embed_call_void_callback, memo) < 0) {
afb_req_fail(request, "failed", "dbus failure");
free(memo);
}
}
static void selecting (struct afb_req request) { /* AFB_SESSION_CHECK */
mediaCtxHandleT *ctx = afb_req_context_get(request);
const char *value = afb_req_value (request, "value");
json_object *jresp;
unsigned int index;
char index_str[5];
/* check that context is initialized */
if (ctx == NULL) {
afb_req_fail (request, "failed", "uninitialized");
return;
}
/* no "?value=" parameter : return current index */
if (!value) {
snprintf (index_str, sizeof(index_str), "%d", ctx->index);
jresp = json_object_new_object();
json_object_object_add (jresp, "index", json_object_new_string (index_str));
}
/* "?value=" parameter is negative */
else if (atoi(value) < 0) {
afb_req_fail (request, "failed", "chosen index cannot be negative");
return;
}
/* "?value=" parameter is positive */
else if (atoi(value) >= 0) {
index = (unsigned int) atoi(value);
if (!_rygel_select (ctx, index)) {
afb_req_fail (request, "failed", "chosen index superior to current media count");
return;
}
ctx->index = index;
jresp = json_object_new_object();
json_object_object_add (jresp, "index", json_object_new_string (value));
}
else
jresp = NULL;
afb_req_success (request, jresp, "Media - Listed");
}
static void start(struct afb_req request)
{
struct json_object *obj;
const char *id, *mode;
char *query;
int rc;
/* get the id */
id = afb_req_value(request, _id_);
if (id == NULL) {
afb_req_fail(request, "bad-request", "missing 'id'");
return;
}
/* get the mode */
mode = afb_req_value(request, _mode_);
if (mode == NULL || !strcmp(mode, _auto_)) {
mode = afb_interface->mode == AFB_MODE_REMOTE ? _remote_ : _local_;
}
/* create the query */
rc = asprintf(&query, "{\"id\":\"%s\",\"mode\":\"%s\"}", id, mode);
if (rc < 0) {
afb_req_fail(request, "server-error", "out of memory");
return;
}
/* calls the service */
obj = jbus_call_sj_sync(jbus, _start_, query);
if (afb_interface->verbosity)
fprintf(stderr, "(afm-main-plugin) start(%s) -> %s\n", query,
obj ? json_object_to_json_string(obj) : "NULL");
free(query);
/* check status */
obj = json_object_get(obj);
if (obj == NULL) {
afb_req_fail(request, "failed", "framework daemon failure");
return;
}
/* embed if needed */
if (json_object_get_type(obj) == json_type_int)
obj = embed(_runid_, obj);
afb_req_success(request, obj, NULL);
}
static void embed_call_void_callback(int status, struct json_object *obj, struct memo *memo)
{
if (afb_interface->verbosity)
fprintf(stderr, "(afm-main-plugin) %s(true) -> %s\n", memo->method,
obj ? json_object_to_json_string(obj) : "NULL");
if (obj == NULL) {
afb_req_fail(memo->request, "failed", "framework daemon failure");
} else {
obj = json_object_get(obj);
obj = embed(memo->method, obj);
if (obj == NULL) {
afb_req_fail(memo->request, "failed", "framework daemon failure");
} else {
afb_req_success(memo->request, obj, NULL);
}
}
afb_req_unref(memo->request);
free(memo);
}
static void call_runid(struct afb_req request, const char *method)
{
struct json_object *obj;
const char *id = afb_req_value(request, _runid_);
if (id == NULL) {
afb_req_fail(request, "bad-request", "missing 'runid'");
return;
}
obj = jbus_call_sj_sync(jbus, method, id);
if (afb_interface->verbosity)
fprintf(stderr, "(afm-main-plugin) %s(%s) -> %s\n", method, id,
obj ? json_object_to_json_string(obj) : "NULL");
if (obj == NULL) {
afb_req_fail(request, "failed", "framework daemon failure");
return;
}
obj = json_object_get(obj);
afb_req_success(request, obj, NULL);
}
static void list (struct afb_req request) { /* AFB_SESSION_CHECK */
mediaCtxHandleT *ctx = afb_req_context_get(request);
json_object *jresp;
/* check that context is initialized */
if (ctx == NULL) {
afb_req_fail (request, "failed", "uninitialized");
return;
}
jresp = _rygel_list (ctx);
if (!jresp) {
afb_req_fail (request, "failed", "no content found in media server");
return;
}
afb_req_success (request, jresp, "Media - Listed");
}
static void pausing (struct afb_req request) { /* AFB_SESSION_CHECK */
mediaCtxHandleT *ctx = afb_req_context_get(request);
json_object *jresp;
/* check that context is initialized */
if (ctx == NULL) {
afb_req_fail (request, "failed", "uninitialized");
return;
}
if (!_rygel_do (ctx, PAUSE, NULL)) {
afb_req_fail (request, "failed", "could not pause chosen media");
return;
}
jresp = json_object_new_object();
json_object_object_add (jresp, "pause", json_object_new_string ("success"));
afb_req_success (request, jresp, "Media - Paused");
}
static void call_appid(struct afb_req request, const char *method)
{
struct memo *memo;
char *sid;
const char *id = afb_req_value(request, _id_);
if (id == NULL) {
afb_req_fail(request, "bad-request", "missing 'id'");
return;
}
memo = make_memo(request, method);
if (asprintf(&sid, "\"%s\"", id) <= 0 || memo == NULL) {
afb_req_fail(request, "server-error", "out of memory");
free(memo);
return;
}
if (jbus_call_sj(jbus, method, sid, (void*)call_appid_callback, memo) < 0) {
afb_req_fail(request, "failed", "dbus failure");
free(memo);
}
free(sid);
}
static void install(struct afb_req request)
{
struct json_object *obj, *added;
char *query;
const char *filename;
struct afb_arg arg;
/* get the argument */
arg = afb_req_get(request, "widget");
filename = arg.path;
if (filename == NULL) {
afb_req_fail(request, "bad-request", "missing 'widget' file");
return;
}
/* makes the query */
if (0 >= asprintf(&query, "\"%s\"", filename)) {
afb_req_fail(request, "server-error", "out of memory");
return;
}
obj = jbus_call_sj_sync(jbus, _install_, query);
if (afb_interface->verbosity)
fprintf(stderr, "(afm-main-plugin) install(%s) -> %s\n", query,
obj ? json_object_to_json_string(obj) : "NULL");
free(query);
/* check status */
if (obj == NULL) {
afb_req_fail(request, "failed", "framework daemon failure");
return;
}
/* embed if needed */
if (json_object_object_get_ex(obj, _added_, &added))
obj = added;
obj = json_object_get(obj);
obj = embed(_id_, obj);
afb_req_success(request, obj, NULL);
}
static void on_uploaded(struct afb_req *prequest, int status)
{
struct afb_req request = afb_req_unstore(prequest);
struct afb_arg argfile = afb_req_get(request, "file-upload");
char *file = renamed_filename(argfile);
if (file != NULL)
unlink(file);
free(file);
if (status)
afb_req_fail (request, "failed", "expected file not received");
else
afb_req_success_f (request, NULL, "uploaded file %s", argfile.value);
afb_req_unref(request);
}
/* callback when received answer */
static int api_dbus_client_on_reply(sd_bus_message *message, void *userdata, sd_bus_error *ret_error)
{
int rc;
struct dbus_memo *memo;
const char *first, *second;
uint8_t type;
uint32_t flags;
/* retrieve the recorded data */
memo = userdata;
/* get the answer */
rc = sd_bus_message_read(message, "yssu", &type, &first, &second, &flags);
if (rc < 0) {
/* failing to have the answer */
afb_req_fail(memo->req, "error", "dbus error");
} else {
/* report the answer */
memo->context->flags = (unsigned)flags;
switch(type) {
case RETOK:
afb_req_success(memo->req, json_tokener_parse(first), second);
break;
case RETERR:
afb_req_fail(memo->req, first, second);
break;
case RETRAW:
afb_req_send(memo->req, first, strlen(first));
break;
default:
afb_req_fail(memo->req, "error", "dbus link broken");
break;
}
}
api_dbus_client_free_memo(memo);
return 1;
}
static void upload (struct afb_req request) { /* AFB_SESSION_CHECK */
mediaCtxHandleT *ctx = afb_req_context_get(request);
struct afb_req *prequest;
struct afb_arg argfile;
char *path;
/* check that context is initialized */
if (ctx == NULL) {
afb_req_fail (request, "failed", "uninitialized");
return;
}
/* get the file */
argfile = afb_req_get(request, "file-upload");
if (!argfile.value || !argfile.path) {
afb_req_fail (request, "failed", "expected file not received");
return;
}
/* rename the file */
path = renamed_filename(argfile);
if (path == NULL) {
afb_req_fail (request, "failed", "out of memory");
return;
}
if (rename(argfile.path, path) != 0) {
free(path);
afb_req_fail (request, "failed", "system error");
return;
}
/* for asynchronous processing */
prequest = afb_req_store(request);
if (path == NULL) {
unlink(path);
afb_req_fail (request, "failed", "out of memory");
}
else if (!_rygel_upload (ctx, path, (void*)on_uploaded, prequest)) {
afb_req_unref(afb_req_unstore(prequest));
unlink(path);
afb_req_fail (request, "failed", "Error when uploading file to media server... could not complete");
}
free(path);
}
static void pingFail (struct afb_req request)
{
afb_req_fail(request, "failed", "Ping Binder Daemon fails");
}