gboolean
g_vfs_afp_connection_close (GVfsAfpConnection *afp_connection,
GCancellable *cancellable,
GError **error)
{
GVfsAfpConnectionPrivate *priv = afp_connection->priv;
guint16 req_id;
gboolean res;
/* close DSI session */
req_id = get_request_id (afp_connection);
res = send_request_sync (g_io_stream_get_output_stream (priv->conn),
DSI_CLOSE_SESSION, req_id, 0, 0, NULL,
cancellable, error);
if (!res)
{
g_io_stream_close (priv->conn, cancellable, NULL);
g_object_unref (priv->conn);
return FALSE;
}
res = g_io_stream_close (priv->conn, cancellable, error);
g_object_unref (priv->conn);
return res;
}
struct PP_Var nspawn_send_request(struct PP_Var req_var) {
/*
* naclprocess.js is required in order send requests to JavaScript.
* If NACL_PROCESS is not set in the environment then we assume it is
* not present and exit early. Without this check we would block forever
* waiting for a response for the JavaScript side.
*
* Only check this once per process, as some programs (emacs)
* engage in manipulation of the environment that may not be safely
* read at all times.
*/
static int checked_for_nacl_process = 0;
if (!checked_for_nacl_process) {
const char* naclprocess = getenv("NACL_PROCESS");
if (naclprocess == NULL) {
fprintf(stderr, "nspawn_send_request called without NACL_PROCESS set\n");
return PP_MakeNull();
}
checked_for_nacl_process = 1;
}
int64_t id = get_request_id();
char req_id[64];
sprintf(req_id, "%lld", id);
nspawn_dict_setstring(req_var, "id", req_id);
struct NaClSpawnReply reply;
pthread_mutex_init(&reply.mu, NULL);
pthread_cond_init(&reply.cond, NULL);
PSEventRegisterMessageHandler(req_id, &handle_reply, &reply);
PSInterfaceMessaging()->PostMessage(PSGetInstanceId(), req_var);
nspawn_var_release(req_var);
pthread_mutex_lock(&reply.mu);
/*
* Wait for response for JavaScript. This can block for an unbounded amount
* of time (e.g. waiting for a response to waitpid).
*/
int error = pthread_cond_wait(&reply.cond, &reply.mu);
pthread_mutex_unlock(&reply.mu);
pthread_cond_destroy(&reply.cond);
pthread_mutex_destroy(&reply.mu);
PSEventRegisterMessageHandler(req_id, NULL, &reply);
if (error != 0) {
fprintf(stderr, "nspawn_send_request: pthread_cond_timedwait: %s\n",
strerror(error));
return PP_MakeNull();
}
return reply.result_var;
}
static int rcp_recv()
{
int res;
int len;
int received;
unsigned char buffer[RCP_MAX_PACKET_LEN];
res = recv(con.control_socket, buffer, TPKT_HEADER_LENGTH, 0);
if (res == -1)
goto error;
len = ntohs(*(unsigned short*)(buffer+2));
len -= TPKT_HEADER_LENGTH;
received = 0;
while (received < len)
{
res = recv(con.control_socket, buffer+received, len-received, 0);
if (res == -1)
goto error;
TL_DEBUG("%d bytes received", res);
received += res;
}
tlog_hex(TLOG_DEBUG, "received", buffer, received);
int request_id = get_request_id(buffer);
rcp_packet* hdr = &resp[request_id];
read_rcp_header(buffer, hdr);
memcpy(hdr->payload, buffer+RCP_HEADER_LENGTH, hdr->payload_length);
return request_id;
error:
TL_ERROR("rcp_recv: %d - %s\n", errno, strerror(errno));
return -1;
}
gboolean
g_vfs_afp_connection_send_command_sync (GVfsAfpConnection *afp_connection,
GVfsAfpCommand *afp_command,
GCancellable *cancellable,
GError **error)
{
GVfsAfpConnectionPrivate *priv = afp_connection->priv;
DsiCommand dsi_command;
guint16 req_id;
guint32 writeOffset;
/* set dsi_command */
switch (afp_command->type)
{
case AFP_COMMAND_WRITE:
writeOffset = 8;
dsi_command = DSI_WRITE;
break;
case AFP_COMMAND_WRITE_EXT:
writeOffset = 20;
dsi_command = DSI_WRITE;
break;
default:
writeOffset = 0;
dsi_command = DSI_COMMAND;
break;
}
req_id = get_request_id (afp_connection);
return send_request_sync (g_io_stream_get_output_stream (priv->conn),
dsi_command, req_id, writeOffset,
g_vfs_afp_command_get_size (afp_command),
g_vfs_afp_command_get_data (afp_command),
cancellable, error);
}
get_vb(bad, get_error_index() -1); // not zero based??
const char *pmsg = Snmp::error_string(get_error_status());
const char *id = bad.to_string_oid();
const char *val = bad.to_string_value();
const int HDR_SZ = 100;
if (!output_) {
int size = ACE_OS::strlen(pmsg) + ACE_OS::strlen(id) +
ACE_OS::strlen(val);
ACE_NEW_RETURN(output_, char[size + HDR_SZ], "");
}
ACE_OS::sprintf(output_,
"FAIL PDU REPORT: pdu id: %lu vb cnt: %d vb idx: %d\n"
" msg: %s vb oid: %s value: %s\n",
get_request_id(), n_vbs, get_error_index(),
pmsg, id, val);
return output_;
}
//=====================[ set the error status ]==========================
// friend
void set_error_status( Pdu *pdu, const int status)
{
if (pdu)
pdu->error_status_ = status;
}
//=====================[ return the error index ]========================
int Pdu::get_error_index() const
gboolean
g_vfs_afp_connection_open (GVfsAfpConnection *afp_connection,
GCancellable *cancellable,
GError **error)
{
GVfsAfpConnectionPrivate *priv = afp_connection->priv;
GSocketClient *client;
guint16 req_id;
gboolean res;
char *reply;
DSIHeader dsi_header;
guint pos;
client = g_socket_client_new ();
priv->conn = G_IO_STREAM (g_socket_client_connect (client, priv->addr, cancellable, error));
g_object_unref (client);
if (!priv->conn)
return FALSE;
req_id = get_request_id (afp_connection);
res = send_request_sync (g_io_stream_get_output_stream (priv->conn),
DSI_OPEN_SESSION, req_id, 0, 0, NULL,
cancellable, error);
if (!res)
return FALSE;
res = read_reply_sync (g_io_stream_get_input_stream (priv->conn),
&dsi_header, &reply, cancellable, error);
if (!res)
return FALSE;
pos = 0;
while ((dsi_header.totalDataLength - pos) > 2)
{
guint8 optionType;
guint8 optionLength;
optionType = reply[pos++];
optionLength = reply[pos++];
switch (optionType)
{
case 0x00:
if (optionLength == 4 && (dsi_header.totalDataLength - pos) >= 4)
priv->kRequestQuanta = GUINT32_FROM_BE (*(guint32 *)(reply + pos));
break;
case 0x02:
if (optionLength == 4 && (dsi_header.totalDataLength - pos) >= 4)
priv->kServerReplayCacheSize = GUINT32_FROM_BE (*(guint32 *)(reply + pos));
break;
default:
g_debug ("Unknown DSI option\n");
}
pos += optionLength;
}
g_free (reply);
return TRUE;
}
static void
send_request (GVfsAfpConnection *afp_connection)
{
GVfsAfpConnectionPrivate *priv = afp_connection->priv;
RequestData *req_data;
guint32 writeOffset;
guint8 dsi_command;
while ((req_data = g_queue_peek_head (priv->request_queue)))
{
if (req_data->cancellable && g_cancellable_is_cancelled (req_data->cancellable))
{
if (req_data->simple)
{
GError *err = NULL;
g_cancellable_set_error_if_cancelled (req_data->cancellable, &err);
g_simple_async_result_take_error (req_data->simple, err);
g_simple_async_result_complete (req_data->simple);
}
remove_first (priv->request_queue);
}
else
break;
}
if (!req_data) {
priv->send_loop_running = FALSE;
return;
}
switch (req_data->type)
{
case REQUEST_TYPE_TICKLE:
priv->write_dsi_header.flags = 0x00;
priv->write_dsi_header.command = DSI_TICKLE;
priv->write_dsi_header.requestID = GUINT16_TO_BE (get_request_id (afp_connection));
priv->write_dsi_header.writeOffset = 0;
priv->write_dsi_header.totalDataLength = 0;
priv->write_dsi_header.reserved = 0;
break;
case REQUEST_TYPE_COMMAND:
{
gsize size;
switch (req_data->command->type)
{
case AFP_COMMAND_WRITE:
writeOffset = 8;
dsi_command = DSI_WRITE;
break;
case AFP_COMMAND_WRITE_EXT:
writeOffset = 20;
dsi_command = DSI_WRITE;
break;
default:
writeOffset = 0;
dsi_command = DSI_COMMAND;
break;
}
priv->write_dsi_header.flags = 0x00;
priv->write_dsi_header.command = dsi_command;
priv->write_dsi_header.requestID = GUINT16_TO_BE (get_request_id (afp_connection));
priv->write_dsi_header.writeOffset = GUINT32_TO_BE (writeOffset);
/* totalDataLength */
size = g_vfs_afp_command_get_size (req_data->command);
if (dsi_command == DSI_WRITE && req_data->command->buf)
size += req_data->command->buf_size;
priv->write_dsi_header.totalDataLength = GUINT32_TO_BE (size);
priv->write_dsi_header.reserved = 0;
break;
}
default:
g_assert_not_reached ();
}
write_all_async (g_io_stream_get_output_stream (priv->conn),
&priv->write_dsi_header, sizeof (DSIHeader), 0,
NULL, write_dsi_header_cb, afp_connection);
}
static gpointer
open_thread_func (gpointer user_data)
{
SyncData *data = user_data;
GVfsAfpConnection *conn = data->conn;
GVfsAfpConnectionPrivate *priv = conn->priv;
GSocketClient *client;
guint16 req_id;
gboolean res = FALSE;
char *reply;
DSIHeader dsi_header;
guint pos;
client = g_socket_client_new ();
priv->stream = G_IO_STREAM (g_socket_client_connect (client, priv->addr, data->cancellable,
data->error));
g_object_unref (client);
if (!priv->stream)
goto out;
req_id = get_request_id (conn);
res = send_request_sync (g_io_stream_get_output_stream (priv->stream),
DSI_OPEN_SESSION, req_id, 0, 0, NULL,
data->cancellable, data->error);
if (!res)
goto out;
res = read_reply_sync (g_io_stream_get_input_stream (priv->stream),
&dsi_header, &reply, data->cancellable, data->error);
if (!res)
goto out;
pos = 0;
while ((dsi_header.totalDataLength - pos) > 2)
{
guint8 optionType;
guint8 optionLength;
optionType = reply[pos++];
optionLength = reply[pos++];
switch (optionType)
{
case 0x00:
if (optionLength == 4 && (dsi_header.totalDataLength - pos) >= 4)
priv->kRequestQuanta = GUINT32_FROM_BE (*(guint32 *)(reply + pos));
break;
case 0x02:
if (optionLength == 4 && (dsi_header.totalDataLength - pos) >= 4)
priv->kServerReplayCacheSize = GUINT32_FROM_BE (*(guint32 *)(reply + pos));
break;
default:
g_debug ("Unknown DSI option\n");
}
pos += optionLength;
}
g_free (reply);
out:
if (res)
g_atomic_int_set (&priv->atomic_state, STATE_CONNECTED);
/* Signal sync call thread */
data->res = res;
sync_data_signal (data);
/* Return from thread on failure */
if (!res)
{
g_clear_object (&priv->stream);
return NULL;
}
/* Create MainLoop */
priv->worker_context = g_main_context_new ();
priv->worker_loop = g_main_loop_new (priv->worker_context, TRUE);
read_reply (conn);
/* Run mainloop */
g_main_loop_run (priv->worker_loop);
return NULL;
}
static void
close_connection (GVfsAfpConnection *conn)
{
GVfsAfpConnectionPrivate *priv = conn->priv;
guint16 req_id;
gboolean res;
GError *err = NULL;
GQueue *request_queue;
GSList *pending_closes, *siter;
GHashTable *request_hash;
GHashTableIter iter;
RequestData *req_data;
/* Take lock */
g_mutex_lock (&priv->mutex);
/* Set closed flag */
g_atomic_int_set (&priv->atomic_state, STATE_CLOSED);
request_queue = priv->request_queue;
priv->request_queue = NULL;
request_hash = priv->request_hash;
priv->request_hash = NULL;
pending_closes = priv->pending_closes;
priv->pending_closes = NULL;
/* Release lock */
g_mutex_unlock (&priv->mutex);
/* close DSI session */
req_id = get_request_id (conn);
res = send_request_sync (g_io_stream_get_output_stream (priv->stream),
DSI_CLOSE_SESSION, req_id, 0, 0, NULL,
NULL, &err);
if (!res)
g_io_stream_close (priv->stream, NULL, NULL);
else
res = g_io_stream_close (priv->stream, NULL, &err);
g_clear_object (&priv->stream);
#define REQUEST_DATA_CLOSED(request_data) { \
g_simple_async_result_set_from_error (req_data->simple, \
g_error_new_literal (G_IO_ERROR, G_IO_ERROR_CLOSED, "Connection was closed")); \
\
g_simple_async_result_complete_in_idle (req_data->simple); \
free_request_data (req_data); \
}
while ((req_data = g_queue_pop_head (request_queue)))
{
REQUEST_DATA_CLOSED (req_data);
}
g_hash_table_iter_init (&iter, request_hash);
while (g_hash_table_iter_next (&iter, NULL, (void **)&req_data))
{
REQUEST_DATA_CLOSED (req_data);
}
#undef REQUEST_DATA_CLOSED
/* quit main_loop */
g_main_loop_quit (priv->worker_loop);
g_main_loop_unref (priv->worker_loop);
g_main_context_unref (priv->worker_context);
for (siter = pending_closes; siter != NULL; siter = siter->next)
{
SyncData *close_data = siter->data;
close_data->res = TRUE;
sync_data_signal (close_data);
}
g_slist_free (pending_closes);
}