25 #include "dbus-internals.h" 
   26 #include "dbus-connection-internal.h" 
   27 #include "dbus-nonce.h" 
   28 #include "dbus-transport-socket.h" 
   29 #include "dbus-transport-protected.h" 
   30 #include "dbus-watch.h" 
   31 #include "dbus-credentials.h" 
   76   _dbus_verbose (
"start\n");
 
   98   _dbus_verbose (
"end\n");
 
  106   _dbus_verbose (
"\n");
 
  108   free_watches (transport);
 
  146           DBusAuthState auth_state;
 
  154           if (auth_state == DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND ||
 
  155               auth_state == DBUS_AUTH_STATE_WAITING_FOR_MEMORY)
 
  162   _dbus_verbose (
"check_write_watch(): needed = %d on connection %p watch %p fd = %" DBUS_SOCKET_FORMAT 
" outgoing messages exist %d\n",
 
  164                  _dbus_socket_printable (socket_transport->
fd),
 
  180   _dbus_verbose (
"fd = %" DBUS_SOCKET_FORMAT 
"\n",
 
  181                  _dbus_socket_printable (socket_transport->
fd));
 
  201         need_read_watch = 
TRUE;
 
  208           DBusAuthState auth_state;
 
  218           if (auth_state == DBUS_AUTH_STATE_WAITING_FOR_INPUT ||
 
  219               auth_state == DBUS_AUTH_STATE_WAITING_FOR_MEMORY ||
 
  220               auth_state == DBUS_AUTH_STATE_AUTHENTICATED)
 
  221             need_read_watch = 
TRUE;
 
  223             need_read_watch = 
FALSE;
 
  227   _dbus_verbose (
"  setting read watch enabled = %d\n", need_read_watch);
 
  259   saved_errno = _dbus_save_socket_errno ();
 
  265       _dbus_verbose (
" read %d bytes in auth phase\n", bytes_read);
 
  269   else if (bytes_read < 0)
 
  281           _dbus_verbose (
"Error reading from remote app: %s\n",
 
  282                          _dbus_strerror (saved_errno));
 
  283           do_io_error (transport);
 
  292       _dbus_verbose (
"Disconnected from remote app\n");
 
  293       do_io_error (transport);
 
  314                                       0, _dbus_string_get_length (buffer));
 
  315   saved_errno = _dbus_save_socket_errno ();
 
  317   if (bytes_written > 0)
 
  322   else if (bytes_written < 0)
 
  330           _dbus_verbose (
"Error writing to remote app: %s\n",
 
  331                          _dbus_strerror (saved_errno));
 
  332           do_io_error (transport);
 
  348   _dbus_verbose (
"exchange_credentials: do_reading = %d, do_writing = %d\n",
 
  349                   do_reading, do_writing);
 
  360           _dbus_verbose (
"Failed to write credentials: %s\n", error.
message);
 
  362           do_io_error (transport);
 
  383           _dbus_verbose (
"Failed to read credentials %s\n", error.
message);
 
  385           do_io_error (transport);
 
  420         *auth_completed = 
FALSE;
 
  429       if (!exchange_credentials (transport, do_reading, do_writing))
 
  439           _dbus_verbose (
"send_credentials_pending = %d receive_credentials_pending = %d\n",
 
  445 #define TRANSPORT_SIDE(t) ((t)->is_server ? "server" : "client") 
  448         case DBUS_AUTH_STATE_WAITING_FOR_INPUT:
 
  449           _dbus_verbose (
" %s auth state: waiting for input\n",
 
  450                          TRANSPORT_SIDE (transport));
 
  451           if (!do_reading || !read_data_into_auth (transport, &oom))
 
  455         case DBUS_AUTH_STATE_WAITING_FOR_MEMORY:
 
  456           _dbus_verbose (
" %s auth state: waiting for memory\n",
 
  457                          TRANSPORT_SIDE (transport));
 
  462         case DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND:
 
  463           _dbus_verbose (
" %s auth state: bytes to send\n",
 
  464                          TRANSPORT_SIDE (transport));
 
  465           if (!do_writing || !write_data_from_auth (transport))
 
  469         case DBUS_AUTH_STATE_NEED_DISCONNECT:
 
  470           _dbus_verbose (
" %s auth state: need to disconnect\n",
 
  471                          TRANSPORT_SIDE (transport));
 
  472           do_io_error (transport);
 
  475         case DBUS_AUTH_STATE_AUTHENTICATED:
 
  476           _dbus_verbose (
" %s auth state: authenticated\n",
 
  477                          TRANSPORT_SIDE (transport));
 
  480         case DBUS_AUTH_STATE_INVALID:
 
  491   check_read_watch (transport);
 
  492   check_write_watch (transport);
 
  512       _dbus_verbose (
"Not authenticated, not writing anything\n");
 
  518       _dbus_verbose (
"Not connected, not writing anything\n");
 
  523   _dbus_verbose (
"do_writing(), have_messages = %d, fd = %" DBUS_SOCKET_FORMAT 
"\n",
 
  525                  _dbus_socket_printable (socket_transport->
fd));
 
  538       int header_len, body_len;
 
  539       int total_bytes_to_write;
 
  544           _dbus_verbose (
"%d bytes exceeds %d bytes written per iteration, returning\n",
 
  554       _dbus_verbose (
"writing message %p\n", message);
 
  560       header_len = _dbus_string_get_length (header);
 
  561       body_len = _dbus_string_get_length (body);
 
  566           _dbus_assert(!DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport));
 
  586           total_bytes_to_write = _dbus_string_get_length (&socket_transport->
encoded_outgoing);
 
  589           _dbus_verbose (
"encoded message is %d bytes\n",
 
  590                          total_bytes_to_write);
 
  598           saved_errno = _dbus_save_socket_errno ();
 
  602           total_bytes_to_write = header_len + body_len;
 
  605           _dbus_verbose (
"message is %d bytes\n",
 
  606                          total_bytes_to_write);
 
  609 #ifdef HAVE_UNIX_FD_PASSING 
  619                 _dbus_write_socket_with_unix_fds_two (socket_transport->
fd,
 
  627               saved_errno = _dbus_save_socket_errno ();
 
  629               if (bytes_written > 0 && n > 0)
 
  630                 _dbus_verbose(
"Wrote %i unix fds\n", n);
 
  655               saved_errno = _dbus_save_socket_errno ();
 
  659       if (bytes_written < 0)
 
  688               _dbus_verbose (
" discard message of %d bytes due to ETOOMANYREFS\n",
 
  689                              total_bytes_to_write);
 
  703               _dbus_verbose (
"Error writing to remote app: %s\n",
 
  704                              _dbus_strerror (saved_errno));
 
  705               do_io_error (transport);
 
  711           _dbus_verbose (
" wrote %d bytes of %d\n", bytes_written,
 
  712                          total_bytes_to_write);
 
  714           total += bytes_written;
 
  718                         total_bytes_to_write);
 
  750   _dbus_verbose (
"fd = %" DBUS_SOCKET_FORMAT 
"\n",
 
  751                  _dbus_socket_printable (socket_transport->
fd));
 
  764   check_read_watch (transport);
 
  768       _dbus_verbose (
"%d bytes exceeds %d bytes read per iteration, returning\n",
 
  785       _dbus_assert(!DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport));
 
  794       saved_errno = _dbus_save_socket_errno ();
 
  810               _dbus_verbose (
"Out of memory decoding incoming data\n");
 
  838 #ifdef HAVE_UNIX_FD_PASSING 
  839       if (DBUS_TRANSPORT_CAN_SEND_UNIX_FD(transport) && may_read_unix_fds)
 
  844           if (!_dbus_message_loader_get_unix_fds(transport->
loader, &fds, &n_fds))
 
  846               _dbus_verbose (
"Out of memory reading file descriptors\n");
 
  856           saved_errno = _dbus_save_socket_errno ();
 
  858           if (bytes_read >= 0 && n_fds > 0)
 
  859             _dbus_verbose(
"Read %i unix fds\n", n_fds);
 
  861           _dbus_message_loader_return_unix_fds(transport->
loader, fds, bytes_read < 0 ? 0 : n_fds);
 
  867                                           buffer, max_to_read);
 
  868           saved_errno = _dbus_save_socket_errno ();
 
  881           _dbus_verbose (
"Out of memory in read()/do_reading()\n");
 
  889           _dbus_verbose (
"Error reading from remote app: %s\n",
 
  890                          _dbus_strerror (saved_errno));
 
  891           do_io_error (transport);
 
  895   else if (bytes_read == 0)
 
  897       _dbus_verbose (
"Disconnected from remote app\n");
 
  898       do_io_error (transport);
 
  903       _dbus_verbose (
" read %d bytes\n", bytes_read);
 
  910           _dbus_verbose (
" out of memory when queueing messages we just read in the transport\n");
 
  941       _dbus_watch_get_enabled (transport->
read_watch))
 
  962   if (!(flags & 
DBUS_WATCH_READABLE) && unix_error_with_read_to_come (transport, watch, flags))
 
  964       _dbus_verbose (
"Hang up or error on watch\n");
 
  974       _dbus_verbose (
"handling read watch %p flags = %x\n",
 
  977       if (!do_authentication (transport, 
TRUE, 
FALSE, &auth_finished))
 
  988           if (!do_reading (transport))
 
  990               _dbus_verbose (
"no memory to read\n");
 
  996           _dbus_verbose (
"Not reading anything since we just completed the authentication\n");
 
 1003       _dbus_verbose (
"handling write watch, have_outgoing_messages = %d\n",
 
 1009       if (!do_writing (transport))
 
 1011           _dbus_verbose (
"no memory to write\n");
 
 1016       check_write_watch (transport);
 
 1018 #ifdef DBUS_ENABLE_VERBOSE_MODE 
 1022         _dbus_verbose (
"asked to handle read watch with non-read condition 0x%x\n",
 
 1025         _dbus_verbose (
"asked to handle write watch with non-write condition 0x%x\n",
 
 1028         _dbus_verbose (
"asked to handle watch %p on fd %" DBUS_SOCKET_FORMAT 
" that we don't recognize\n",
 
 1029                        watch, _dbus_socket_printable (_dbus_watch_get_socket (watch)));
 
 1041   _dbus_verbose (
"\n");
 
 1043   free_watches (transport);
 
 1046   _dbus_socket_invalidate (&socket_transport->
fd);
 
 1074   check_read_watch (transport);
 
 1075   check_write_watch (transport);
 
 1090                    int            timeout_milliseconds)
 
 1097   _dbus_verbose (
" iteration flags = %s%s timeout = %d read_watch = %p write_watch = %p fd = %" DBUS_SOCKET_FORMAT 
"\n",
 
 1098                  flags & DBUS_ITERATION_DO_READING ? 
"read" : 
"",
 
 1099                  flags & DBUS_ITERATION_DO_WRITING ? 
"write" : 
"",
 
 1100                  timeout_milliseconds,
 
 1103                  _dbus_socket_printable (socket_transport->
fd));
 
 1111   poll_fd.
fd = _dbus_socket_get_pollable (socket_transport->
fd);
 
 1126       if ((flags & DBUS_ITERATION_DO_WRITING) &&
 
 1127           !(flags & (DBUS_ITERATION_DO_READING | DBUS_ITERATION_BLOCK)) &&
 
 1131           do_writing (transport);
 
 1140       if (flags & DBUS_ITERATION_DO_READING)
 
 1144       if (flags & DBUS_ITERATION_DO_WRITING)
 
 1149       DBusAuthState auth_state;
 
 1154           auth_state == DBUS_AUTH_STATE_WAITING_FOR_INPUT)
 
 1158           auth_state == DBUS_AUTH_STATE_HAVE_BYTES_TO_SEND)
 
 1166       if (flags & DBUS_ITERATION_BLOCK)
 
 1167         poll_timeout = timeout_milliseconds;
 
 1176       if (flags & DBUS_ITERATION_BLOCK)
 
 1178           _dbus_verbose (
"unlock pre poll\n");
 
 1183       poll_res = 
_dbus_poll (&poll_fd, 1, poll_timeout);
 
 1184       saved_errno = _dbus_save_socket_errno ();
 
 1189       if (flags & DBUS_ITERATION_BLOCK)
 
 1191           _dbus_verbose (
"lock post poll\n");
 
 1204             do_io_error (transport);
 
 1211               _dbus_verbose (
"in iteration, need_read=%d need_write=%d\n",
 
 1212                              need_read, need_write);
 
 1213               do_authentication (transport, need_read, need_write,
 
 1214                                  &authentication_completed);
 
 1217               if (authentication_completed)
 
 1220               if (need_read && (flags & DBUS_ITERATION_DO_READING))
 
 1221                 do_reading (transport);
 
 1222               if (need_write && (flags & DBUS_ITERATION_DO_WRITING))
 
 1223                 do_writing (transport);
 
 1228           _dbus_verbose (
"Error from _dbus_poll(): %s\n",
 
 1229                          _dbus_strerror (saved_errno));
 
 1245   check_write_watch (transport);
 
 1247   _dbus_verbose (
" ... leaving do_iteration()\n");
 
 1254   check_read_watch (transport);
 
 1264   *fd_p = socket_transport->
fd;
 
 1271   socket_handle_watch,
 
 1273   socket_connection_set,
 
 1274   socket_do_iteration,
 
 1275   socket_live_messages_changed,
 
 1276   socket_get_socket_fd
 
 1298   if (socket_transport == 
NULL)
 
 1323                                   server_guid, address))
 
 1326 #ifdef HAVE_UNIX_FD_PASSING 
 1330   socket_transport->
fd = fd;
 
 1369                                     const char     *noncefile,
 
 1376   _DBUS_ASSERT_ERROR_IS_CLEAR (error);
 
 1398   if (family != 
NULL &&
 
 1403   if (noncefile != 
NULL &&
 
 1408   fd = _dbus_connect_tcp_socket_with_nonce (host, port, family, noncefile, error);
 
 1409   if (!_dbus_socket_is_valid (fd))
 
 1411       _DBUS_ASSERT_ERROR_IS_SET (error);
 
 1416   _dbus_verbose (
"Successfully connected to tcp socket %s:%s\n",
 
 1421   if (transport == 
NULL)
 
 1425       _dbus_socket_invalidate (&fd);
 
 1444 DBusTransportOpenResult
 
 1456   isTcp = strcmp (method, 
"tcp") == 0;
 
 1457   isNonceTcp = strcmp (method, 
"nonce-tcp") == 0;
 
 1459   if (isTcp || isNonceTcp)
 
 1466       if ((isNonceTcp == 
TRUE) != (noncefile != 
NULL)) {
 
 1468           return DBUS_TRANSPORT_OPEN_BAD_ADDRESS;
 
 1474           return DBUS_TRANSPORT_OPEN_BAD_ADDRESS;
 
 1478       if (*transport_p == 
NULL)
 
 1480           _DBUS_ASSERT_ERROR_IS_SET (error);
 
 1481           return DBUS_TRANSPORT_OPEN_DID_NOT_CONNECT;
 
 1485           _DBUS_ASSERT_ERROR_IS_CLEAR (error);
 
 1486           return DBUS_TRANSPORT_OPEN_OK;
 
 1491       _DBUS_ASSERT_ERROR_IS_CLEAR (error);
 
 1492       return DBUS_TRANSPORT_OPEN_NOT_HANDLED;
 
  
Implementation details of DBusTransportSocket.
dbus_bool_t _dbus_get_is_errno_etoomanyrefs(int e)
See if errno is ETOOMANYREFS.
dbus_bool_t _dbus_auth_encode_data(DBusAuth *auth, const DBusString *plaintext, DBusString *encoded)
Called post-authentication, encodes a block of bytes for sending to the peer.
dbus_bool_t _dbus_transport_get_is_connected(DBusTransport *transport)
Returns TRUE if the transport has not been disconnected.
int _dbus_read_socket_with_unix_fds(DBusSocket fd, DBusString *buffer, int count, int *fds, unsigned int *n_fds)
Like _dbus_read_socket() but also tries to read unix fds from the socket.
short revents
Events that occurred.
DBusMessageLoader * loader
Message-loading buffer.
void _dbus_string_free(DBusString *str)
Frees a string created by _dbus_string_init().
DBusTransport * _dbus_transport_ref(DBusTransport *transport)
Increments the reference count for the transport.
dbus_bool_t _dbus_transport_try_to_authenticate(DBusTransport *transport)
Returns TRUE if we have been authenticated.
void _dbus_auth_return_buffer(DBusAuth *auth, DBusString *buffer)
Returns a buffer with new data read into it.
DBusWatch * write_watch
Watch for writability.
DBUS_PRIVATE_EXPORT void _dbus_message_get_unix_fds(DBusMessage *message, const int **fds, unsigned *n_fds)
Gets the unix fds to be sent over the network for this message.
DBusAuthState _dbus_auth_do_work(DBusAuth *auth)
Analyzes buffered input and moves the auth conversation forward, returning the new state of the auth ...
dbus_bool_t _dbus_auth_needs_decoding(DBusAuth *auth)
Called post-authentication, indicates whether we need to decode the message stream with _dbus_auth_de...
dbus_bool_t _dbus_string_compact(DBusString *str, int max_waste)
Compacts the string to avoid wasted memory.
int message_bytes_written
Number of bytes of current outgoing message that have been written.
void _dbus_transport_disconnect(DBusTransport *transport)
Closes our end of the connection to a remote application.
DBUS_EXPORT dbus_bool_t dbus_watch_get_enabled(DBusWatch *watch)
Returns whether a watch is enabled or not.
short events
Events to poll for.
Implementation of DBusWatch.
DBUS_PRIVATE_EXPORT void _dbus_connection_lock(DBusConnection *connection)
Acquires the connection lock.
const char * dbus_address_entry_get_method(DBusAddressEntry *entry)
Returns the method string of an address entry.
int max_bytes_read_per_iteration
To avoid blocking too long.
dbus_bool_t _dbus_string_init(DBusString *str)
Initializes a string.
#define DBUS_MAXIMUM_MESSAGE_LENGTH
The maximum total message size including header and body; similar rationale to max array size.
void _dbus_auth_get_buffer(DBusAuth *auth, DBusString **buffer)
Get a buffer to be used for reading bytes from the peer we're conversing with.
dbus_bool_t _dbus_auth_decode_data(DBusAuth *auth, const DBusString *encoded, DBusString *plaintext)
Called post-authentication, decodes a block of bytes received from the peer.
void _dbus_connection_remove_watch_unlocked(DBusConnection *connection, DBusWatch *watch)
Removes a watch using the connection's DBusRemoveWatchFunction if available.
@ DBUS_WATCH_READABLE
As in POLLIN.
void _dbus_auth_bytes_sent(DBusAuth *auth, int bytes_sent)
Notifies the auth conversation object that the given number of bytes of the outgoing buffer have been...
@ DBUS_WATCH_ERROR
As in POLLERR (can't watch for this, but can be present in current state passed to dbus_watch_handle(...
int _dbus_write_socket(DBusSocket fd, const DBusString *buffer, int start, int len)
Like _dbus_write(), but only supports sockets and is thus available on Windows.
DBusString encoded_outgoing
Encoded version of current outgoing message.
void _dbus_watch_unref(DBusWatch *watch)
Decrements the reference count of a DBusWatch object and finalizes the object if the count reaches ze...
DBusMessage * _dbus_connection_get_message_to_send(DBusConnection *connection)
Gets the next outgoing message.
void dbus_free(void *memory)
Frees a block of memory previously allocated by dbus_malloc() or dbus_malloc0().
dbus_bool_t _dbus_socket_can_pass_unix_fd(DBusSocket fd)
Checks whether file descriptors may be passed via the socket.
#define _DBUS_POLLERR
Error condition.
dbus_bool_t _dbus_connection_handle_watch(DBusWatch *watch, unsigned int condition, void *data)
A callback for use with dbus_watch_new() to create a DBusWatch.
dbus_bool_t _dbus_connection_has_messages_to_send_unlocked(DBusConnection *connection)
Checks whether there are messages in the outgoing message queue.
dbus_bool_t _dbus_connection_add_watch_unlocked(DBusConnection *connection, DBusWatch *watch)
Adds a watch using the connection's DBusAddWatchFunction if available.
DBusPollable fd
File descriptor.
unsigned int disconnected
TRUE if we are disconnected.
DBusTransport * _dbus_transport_new_for_tcp_socket(const char *host, const char *port, const char *family, const char *noncefile, DBusError *error)
Creates a new transport for the given hostname and port.
void _dbus_connection_message_sent_unlocked(DBusConnection *connection, DBusMessage *message)
Notifies the connection that a message has been sent, so the message can be removed from the outgoing...
Internals of DBusAddressEntry.
DBusTransport base
Parent instance.
DBusWatch * read_watch
Watch for readability.
Object representing a transport such as a socket.
#define DBUS_ERROR_NO_MEMORY
There was not enough memory to complete an operation.
dbus_bool_t _dbus_get_is_errno_epipe(int e)
See if errno is EPIPE.
void _dbus_set_bad_address(DBusError *error, const char *address_problem_type, const char *address_problem_field, const char *address_problem_other)
Sets DBUS_ERROR_BAD_ADDRESS.
const char * dbus_address_entry_get_value(DBusAddressEntry *entry, const char *key)
Returns a value from a key of an entry.
Internals of DBusMessage.
dbus_bool_t _dbus_send_credentials_socket(DBusSocket server_fd, DBusError *error)
Sends a single nul byte with our UNIX credentials as ancillary data.
dbus_bool_t _dbus_transport_init_base(DBusTransport *transport, const DBusTransportVTable *vtable, const DBusString *server_guid, const DBusString *address)
Initializes the base class members of DBusTransport.
DBUS_PRIVATE_EXPORT void _dbus_message_loader_get_buffer(DBusMessageLoader *loader, DBusString **buffer, int *max_to_read, dbus_bool_t *may_read_unix_fds)
Gets the buffer to use for reading data from the network.
int _dbus_poll(DBusPollFD *fds, int n_fds, int timeout_milliseconds)
Wrapper for poll().
#define _dbus_assert_not_reached(explanation)
dbus_bool_t _dbus_string_set_length(DBusString *str, int length)
Sets the length of a string.
long max_live_messages_unix_fds
Max total unix fds of received messages.
void _dbus_transport_unref(DBusTransport *transport)
Decrements the reference count for the transport.
long _dbus_counter_get_unix_fd_value(DBusCounter *counter)
Gets the current value of the unix fd counter.
int _dbus_read_socket(DBusSocket fd, DBusString *buffer, int count)
Like _dbus_read(), but only works on sockets so is available on Windows.
void _dbus_auth_set_unix_fd_possible(DBusAuth *auth, dbus_bool_t b)
Sets whether unix fd passing is potentially on the transport and hence shall be negotiated.
void _dbus_transport_finalize_base(DBusTransport *transport)
Finalizes base class members of DBusTransport.
unsigned int receive_credentials_pending
TRUE if we need to receive credentials
DBusConnection * connection
Connection owning this transport.
dbus_bool_t _dbus_close_socket(DBusSocket fd, DBusError *error)
Closes a socket.
void _dbus_watch_set_handler(DBusWatch *watch, DBusWatchHandler handler, void *data, DBusFreeFunction free_data_function)
Sets the handler for the watch.
#define _dbus_assert(condition)
void dbus_error_free(DBusError *error)
Frees an error that's been set (or just initialized), then reinitializes the error as in dbus_error_i...
DBusCounter * live_messages
Counter for size/unix fds of all live messages.
The virtual table that must be implemented to create a new kind of transport.
DBusTransportOpenResult _dbus_transport_open_socket(DBusAddressEntry *entry, DBusTransport **transport_p, DBusError *error)
Opens a TCP socket transport.
dbus_bool_t _dbus_auth_set_credentials(DBusAuth *auth, DBusCredentials *credentials)
Sets credentials received via reliable means from the operating system.
dbus_bool_t _dbus_auth_get_bytes_to_send(DBusAuth *auth, const DBusString **str)
Gets bytes that need to be sent to the peer we're conversing with.
DBusAuth * auth
Authentication conversation.
long max_live_messages_size
Max total size of received messages.
long _dbus_counter_get_size_value(DBusCounter *counter)
Gets the current value of the size counter.
Object representing an exception.
void _dbus_watch_invalidate(DBusWatch *watch)
Clears the file descriptor from a now-invalid watch object so that no one tries to use it.
void _dbus_message_get_network_data(DBusMessage *message, const DBusString **header, const DBusString **body)
Gets the data to be sent over the network for this message.
DBUS_PRIVATE_EXPORT void _dbus_message_loader_return_buffer(DBusMessageLoader *loader, DBusString *buffer)
Returns a buffer obtained from _dbus_message_loader_get_buffer(), indicating to the loader how many b...
void dbus_set_error(DBusError *error, const char *name, const char *format,...)
Assigns an error name and message to a DBusError.
void _dbus_connection_toggle_watch_unlocked(DBusConnection *connection, DBusWatch *watch, dbus_bool_t enabled)
Toggles a watch and notifies app via connection's DBusWatchToggledFunction if available.
dbus_bool_t _dbus_auth_needs_encoding(DBusAuth *auth)
Called post-authentication, indicates whether we need to encode the message stream with _dbus_auth_en...
#define _DBUS_POLLIN
There is data to read.
dbus_bool_t _dbus_transport_queue_messages(DBusTransport *transport)
Processes data we've read while handling a watch, potentially converting some of it to messages and q...
unsigned int send_credentials_pending
TRUE if we need to send credentials
void dbus_message_lock(DBusMessage *message)
Locks a message.
DBusString encoded_incoming
Encoded version of current incoming data.
const char * message
public error message field
DBusSocket fd
File descriptor.
DBUS_PRIVATE_EXPORT void _dbus_connection_unlock(DBusConnection *connection)
Releases the connection lock.
#define dbus_new0(type, count)
DBusWatch * _dbus_watch_new(DBusPollable fd, unsigned int flags, dbus_bool_t enabled, DBusWatchHandler handler, void *data, DBusFreeFunction free_data_function)
Creates a new DBusWatch.
int max_bytes_written_per_iteration
To avoid blocking too long.
dbus_bool_t _dbus_get_is_errno_eagain_or_ewouldblock(int e)
See if errno is EAGAIN or EWOULDBLOCK (this has to be done differently for Winsock so is abstracted)
DBusTransport * _dbus_transport_new_for_socket(DBusSocket fd, const DBusString *server_guid, const DBusString *address)
Creates a new transport for the given socket file descriptor.
@ DBUS_WATCH_WRITABLE
As in POLLOUT.
@ DBUS_WATCH_HANGUP
As in POLLHUP (can't watch for it, but can be present in current state passed to dbus_watch_handle())...
dbus_bool_t _dbus_string_append(DBusString *str, const char *buffer)
Appends a nul-terminated C-style string to a DBusString.
int _dbus_write_socket_two(DBusSocket fd, const DBusString *buffer1, int start1, int len1, const DBusString *buffer2, int start2, int len2)
Like _dbus_write_two() but only works on sockets and is thus available on Windows.
dbus_bool_t _dbus_get_is_errno_eintr(int e)
See if errno is EINTR.
DBusCredentials * credentials
Credentials of other end read from the socket.
#define _DBUS_POLLOUT
Writing now will not block.
dbus_bool_t _dbus_read_credentials_socket(DBusSocket client_fd, DBusCredentials *credentials, DBusError *error)
Reads a single byte which must be nul (an error occurs otherwise), and reads unix credentials if avai...
dbus_uint32_t dbus_bool_t
dbus_bool_t _dbus_get_is_errno_enomem(int e)
See if errno is ENOMEM.