X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/7f55d4251806e4712762bef0a3ed41a53f850a58..9569916d94c6c448862d02919e52fc3bfb9b9c8d:/src/dbusbind.c diff --git a/src/dbusbind.c b/src/dbusbind.c index 54e92cce16..7a94c81eea 100644 --- a/src/dbusbind.c +++ b/src/dbusbind.c @@ -1,12 +1,12 @@ /* Elisp bindings for D-Bus. - Copyright (C) 2007-2015 Free Software Foundation, Inc. + Copyright (C) 2007-2016 Free Software Foundation, Inc. This file is part of GNU Emacs. GNU Emacs is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. +the Free Software Foundation, either version 3 of the License, or (at +your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -23,7 +23,6 @@ along with GNU Emacs. If not, see . */ #include #include "lisp.h" -#include "frame.h" #include "termhooks.h" #include "keyboard.h" #include "process.h" @@ -169,25 +168,25 @@ static int xd_symbol_to_dbus_type (Lisp_Object object) { return - ((EQ (object, QCdbus_type_byte)) ? DBUS_TYPE_BYTE - : (EQ (object, QCdbus_type_boolean)) ? DBUS_TYPE_BOOLEAN - : (EQ (object, QCdbus_type_int16)) ? DBUS_TYPE_INT16 - : (EQ (object, QCdbus_type_uint16)) ? DBUS_TYPE_UINT16 - : (EQ (object, QCdbus_type_int32)) ? DBUS_TYPE_INT32 - : (EQ (object, QCdbus_type_uint32)) ? DBUS_TYPE_UINT32 - : (EQ (object, QCdbus_type_int64)) ? DBUS_TYPE_INT64 - : (EQ (object, QCdbus_type_uint64)) ? DBUS_TYPE_UINT64 - : (EQ (object, QCdbus_type_double)) ? DBUS_TYPE_DOUBLE - : (EQ (object, QCdbus_type_string)) ? DBUS_TYPE_STRING - : (EQ (object, QCdbus_type_object_path)) ? DBUS_TYPE_OBJECT_PATH - : (EQ (object, QCdbus_type_signature)) ? DBUS_TYPE_SIGNATURE + (EQ (object, QCbyte) ? DBUS_TYPE_BYTE + : EQ (object, QCboolean) ? DBUS_TYPE_BOOLEAN + : EQ (object, QCint16) ? DBUS_TYPE_INT16 + : EQ (object, QCuint16) ? DBUS_TYPE_UINT16 + : EQ (object, QCint32) ? DBUS_TYPE_INT32 + : EQ (object, QCuint32) ? DBUS_TYPE_UINT32 + : EQ (object, QCint64) ? DBUS_TYPE_INT64 + : EQ (object, QCuint64) ? DBUS_TYPE_UINT64 + : EQ (object, QCdouble) ? DBUS_TYPE_DOUBLE + : EQ (object, QCstring) ? DBUS_TYPE_STRING + : EQ (object, QCobject_path) ? DBUS_TYPE_OBJECT_PATH + : EQ (object, QCsignature) ? DBUS_TYPE_SIGNATURE #ifdef DBUS_TYPE_UNIX_FD - : (EQ (object, QCdbus_type_unix_fd)) ? DBUS_TYPE_UNIX_FD + : EQ (object, QCunix_fd) ? DBUS_TYPE_UNIX_FD #endif - : (EQ (object, QCdbus_type_array)) ? DBUS_TYPE_ARRAY - : (EQ (object, QCdbus_type_variant)) ? DBUS_TYPE_VARIANT - : (EQ (object, QCdbus_type_struct)) ? DBUS_TYPE_STRUCT - : (EQ (object, QCdbus_type_dict_entry)) ? DBUS_TYPE_DICT_ENTRY + : EQ (object, QCarray) ? DBUS_TYPE_ARRAY + : EQ (object, QCvariant) ? DBUS_TYPE_VARIANT + : EQ (object, QCstruct) ? DBUS_TYPE_STRUCT + : EQ (object, QCdict_entry) ? DBUS_TYPE_DICT_ENTRY : DBUS_TYPE_INVALID); } @@ -233,8 +232,12 @@ xd_symbol_to_dbus_type (Lisp_Object object) /* Transform the object to its string representation for debug messages. */ -#define XD_OBJECT_TO_STRING(object) \ - SDATA (format2 ("%s", object, Qnil)) +static char * +XD_OBJECT_TO_STRING (Lisp_Object object) +{ + AUTO_STRING (format, "%s"); + return SSDATA (CALLN (Fformat, format, object)); +} #define XD_DBUS_VALIDATE_BUS_ADDRESS(bus) \ do { \ @@ -254,16 +257,16 @@ xd_symbol_to_dbus_type (Lisp_Object object) if ((session_bus_address != NULL) \ && (!NILP (Fstring_equal \ (bus, build_string (session_bus_address))))) \ - bus = QCdbus_session_bus; \ + bus = QCsession; \ } \ \ else \ { \ CHECK_SYMBOL (bus); \ - if (!(EQ (bus, QCdbus_system_bus) || EQ (bus, QCdbus_session_bus))) \ + if (!(EQ (bus, QCsystem) || EQ (bus, QCsession))) \ XD_SIGNAL2 (build_string ("Wrong bus name"), bus); \ /* We do not want to have an autolaunch for the session bus. */ \ - if (EQ (bus, QCdbus_session_bus) && session_bus_address == NULL) \ + if (EQ (bus, QCsession) && session_bus_address == NULL) \ XD_SIGNAL2 (build_string ("No connection to bus"), bus); \ } \ } while (0) @@ -392,7 +395,7 @@ xd_signature (char *signature, int dtype, int parent_type, Lisp_Object object) CHECK_CONS (object); /* Type symbol is optional. */ - if (EQ (QCdbus_type_array, CAR_SAFE (elt))) + if (EQ (QCarray, CAR_SAFE (elt))) elt = XD_NEXT_VALUE (elt); /* If the array is empty, DBUS_TYPE_STRING is the default @@ -874,7 +877,7 @@ xd_retrieve_arg (int dtype, DBusMessageIter *iter) uprintmax_t pval; dbus_message_iter_get_basic (iter, &val); pval = val; - XD_DEBUG_MESSAGE ("%c %"pMd, dtype, pval); + XD_DEBUG_MESSAGE ("%c %"pMu, dtype, pval); return make_fixnum_or_float (val); } @@ -902,11 +905,9 @@ xd_retrieve_arg (int dtype, DBusMessageIter *iter) case DBUS_TYPE_DICT_ENTRY: { Lisp_Object result; - struct gcpro gcpro1; DBusMessageIter subiter; int subtype; result = Qnil; - GCPRO1 (result); dbus_message_iter_recurse (iter, &subiter); while ((subtype = dbus_message_iter_get_arg_type (&subiter)) != DBUS_TYPE_INVALID) @@ -915,7 +916,7 @@ xd_retrieve_arg (int dtype, DBusMessageIter *iter) dbus_message_iter_next (&subiter); } XD_DEBUG_MESSAGE ("%c %s", dtype, XD_OBJECT_TO_STRING (result)); - RETURN_UNGCPRO (Fnreverse (result)); + return Fnreverse (result); } default: @@ -942,7 +943,7 @@ xd_get_connection_references (DBusConnection *connection) static DBusConnection* xd_lisp_dbus_to_dbus (Lisp_Object bus) { - return (DBusConnection *) (intptr_t) XFASTINT (bus); + return (DBusConnection *) XSAVE_POINTER (bus, 0); } /* Return D-Bus connection address. BUS is either a Lisp symbol, @@ -990,7 +991,7 @@ xd_add_watch (DBusWatch *watch, void *data) unsigned int flags = dbus_watch_get_flags (watch); int fd = xd_find_watch_fd (watch); - XD_DEBUG_MESSAGE ("fd %d, write %d, enabled %d", + XD_DEBUG_MESSAGE ("fd %d, write %u, enabled %u", fd, flags & DBUS_WATCH_WRITABLE, dbus_watch_get_enabled (watch)); @@ -1008,8 +1009,7 @@ xd_add_watch (DBusWatch *watch, void *data) } /* Stop monitoring WATCH for possible I/O. - DATA is the used bus, either a string or QCdbus_system_bus or - QCdbus_session_bus. */ + DATA is the used bus, either a string or QCsystem or QCsession. */ static void xd_remove_watch (DBusWatch *watch, void *data) { @@ -1024,7 +1024,7 @@ xd_remove_watch (DBusWatch *watch, void *data) /* Unset session environment. */ #if 0 /* This is buggy, since unsetenv is not thread-safe. */ - if (XSYMBOL (QCdbus_session_bus) == data) + if (XSYMBOL (QCsession) == data) { XD_DEBUG_MESSAGE ("unsetenv DBUS_SESSION_BUS_ADDRESS"); unsetenv ("DBUS_SESSION_BUS_ADDRESS"); @@ -1146,14 +1146,14 @@ this connection to those buses. */) connection = dbus_connection_open_private (SSDATA (bus), &derror); else - if (NILP (private)) - connection = dbus_bus_get (EQ (bus, QCdbus_system_bus) - ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, - &derror); - else - connection = dbus_bus_get_private (EQ (bus, QCdbus_system_bus) - ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, - &derror); + { + DBusBusType bustype = (EQ (bus, QCsystem) + ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION); + if (NILP (private)) + connection = dbus_bus_get (bustype, &derror); + else + connection = dbus_bus_get_private (bustype, &derror); + } if (dbus_error_is_set (&derror)) XD_ERROR (derror); @@ -1186,7 +1186,7 @@ this connection to those buses. */) XD_SIGNAL1 (build_string ("Cannot add watch functions")); /* Add bus to list of registered buses. */ - XSETFASTINT (val, (intptr_t) connection); + val = make_save_ptr (connection); xd_registered_buses = Fcons (Fcons (bus, val), xd_registered_buses); /* Cleanup. */ @@ -1231,20 +1231,20 @@ This is an internal function, it shall not be used outside dbus.el. The following usages are expected: `dbus-call-method', `dbus-call-method-asynchronously': - \(dbus-message-internal + (dbus-message-internal dbus-message-type-method-call BUS SERVICE PATH INTERFACE METHOD HANDLER &optional :timeout TIMEOUT &rest ARGS) `dbus-send-signal': - \(dbus-message-internal + (dbus-message-internal dbus-message-type-signal BUS SERVICE PATH INTERFACE SIGNAL &rest ARGS) `dbus-method-return-internal': - \(dbus-message-internal + (dbus-message-internal dbus-message-type-method-return BUS SERVICE SERIAL &rest ARGS) `dbus-method-error-internal': - \(dbus-message-internal + (dbus-message-internal dbus-message-type-error BUS SERVICE SERIAL &rest ARGS) usage: (dbus-message-internal &rest REST) */) @@ -1255,7 +1255,6 @@ usage: (dbus-message-internal &rest REST) */) Lisp_Object interface = Qnil; Lisp_Object member = Qnil; Lisp_Object result; - struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6; DBusConnection *connection; DBusMessage *dmessage; DBusMessageIter iter; @@ -1313,9 +1312,6 @@ usage: (dbus-message-internal &rest REST) */) wrong_type_argument (Qinvalid_function, handler); } - /* Protect Lisp variables. */ - GCPRO6 (bus, service, path, interface, member, handler); - /* Trace parameters. */ switch (mtype) { @@ -1353,10 +1349,7 @@ usage: (dbus-message-internal &rest REST) */) /* Create the D-Bus message. */ dmessage = dbus_message_new (mtype); if (dmessage == NULL) - { - UNGCPRO; - XD_SIGNAL1 (build_string ("Unable to create a new message")); - } + XD_SIGNAL1 (build_string ("Unable to create a new message")); if (STRINGP (service)) { @@ -1364,11 +1357,8 @@ usage: (dbus-message-internal &rest REST) */) /* Set destination. */ { if (!dbus_message_set_destination (dmessage, SSDATA (service))) - { - UNGCPRO; - XD_SIGNAL2 (build_string ("Unable to set the destination"), - service); - } + XD_SIGNAL2 (build_string ("Unable to set the destination"), + service); } else @@ -1388,11 +1378,8 @@ usage: (dbus-message-internal &rest REST) */) && (strcmp (dbus_bus_get_unique_name (connection), SSDATA (uname)) != 0) && (!dbus_message_set_destination (dmessage, SSDATA (service)))) - { - UNGCPRO; - XD_SIGNAL2 (build_string ("Unable to set signal destination"), - service); - } + XD_SIGNAL2 (build_string ("Unable to set signal destination"), + service); } } @@ -1403,30 +1390,21 @@ usage: (dbus-message-internal &rest REST) */) if ((!dbus_message_set_path (dmessage, SSDATA (path))) || (!dbus_message_set_interface (dmessage, SSDATA (interface))) || (!dbus_message_set_member (dmessage, SSDATA (member)))) - { - UNGCPRO; - XD_SIGNAL1 (build_string ("Unable to set the message parameter")); - } + XD_SIGNAL1 (build_string ("Unable to set the message parameter")); } else /* DBUS_MESSAGE_TYPE_METHOD_RETURN, DBUS_MESSAGE_TYPE_ERROR */ { if (!dbus_message_set_reply_serial (dmessage, serial)) - { - UNGCPRO; - XD_SIGNAL1 (build_string ("Unable to create a return message")); - } + XD_SIGNAL1 (build_string ("Unable to create a return message")); if ((mtype == DBUS_MESSAGE_TYPE_ERROR) && (!dbus_message_set_error_name (dmessage, DBUS_ERROR_FAILED))) - { - UNGCPRO; - XD_SIGNAL1 (build_string ("Unable to create a error message")); - } + XD_SIGNAL1 (build_string ("Unable to create a error message")); } /* Check for timeout parameter. */ - if ((count+2 <= nargs) && (EQ ((args[count]), QCdbus_timeout))) + if ((count + 2 <= nargs) && EQ (args[count], QCtimeout)) { CHECK_NATNUM (args[count+1]); timeout = min (XFASTINT (args[count+1]), INT_MAX); @@ -1469,15 +1447,11 @@ usage: (dbus-message-internal &rest REST) */) message queue. */ if (!dbus_connection_send_with_reply (connection, dmessage, NULL, timeout)) - { - UNGCPRO; - XD_SIGNAL1 (build_string ("Cannot send message")); - } + XD_SIGNAL1 (build_string ("Cannot send message")); /* The result is the key in Vdbus_registered_objects_table. */ serial = dbus_message_get_serial (dmessage); - result = list3 (QCdbus_registered_serial, - bus, make_fixnum_or_float (serial)); + result = list3 (QCserial, bus, make_fixnum_or_float (serial)); /* Create a hash table entry. */ Fputhash (result, handler, Vdbus_registered_objects_table); @@ -1487,10 +1461,7 @@ usage: (dbus-message-internal &rest REST) */) /* Send the message. The message is just added to the outgoing message queue. */ if (!dbus_connection_send (connection, dmessage, NULL)) - { - UNGCPRO; - XD_SIGNAL1 (build_string ("Cannot send message")); - } + XD_SIGNAL1 (build_string ("Cannot send message")); result = Qnil; } @@ -1501,7 +1472,7 @@ usage: (dbus-message-internal &rest REST) */) dbus_message_unref (dmessage); /* Return the result. */ - RETURN_UNGCPRO (result); + return result; } /* Read one queued incoming message of the D-Bus BUS. @@ -1511,7 +1482,6 @@ static void xd_read_message_1 (DBusConnection *connection, Lisp_Object bus) { Lisp_Object args, key, value; - struct gcpro gcpro1; struct input_event event; DBusMessage *dmessage; DBusMessageIter iter; @@ -1529,7 +1499,6 @@ xd_read_message_1 (DBusConnection *connection, Lisp_Object bus) /* Collect the parameters. */ args = Qnil; - GCPRO1 (args); /* Loop over the resulting parameters. Construct a list. */ if (dbus_message_iter_init (dmessage, &iter)) @@ -1569,8 +1538,7 @@ xd_read_message_1 (DBusConnection *connection, Lisp_Object bus) || (mtype == DBUS_MESSAGE_TYPE_ERROR)) { /* Search for a registered function of the message. */ - key = list3 (QCdbus_registered_serial, bus, - make_fixnum_or_float (serial)); + key = list3 (QCserial, bus, make_fixnum_or_float (serial)); value = Fgethash (key, Vdbus_registered_objects_table, Qnil); /* There shall be exactly one entry. Construct an event. */ @@ -1595,9 +1563,7 @@ xd_read_message_1 (DBusConnection *connection, Lisp_Object bus) goto cleanup; /* Search for a registered function of the message. */ - key = list4 ((mtype == DBUS_MESSAGE_TYPE_METHOD_CALL) - ? QCdbus_registered_method - : QCdbus_registered_signal, + key = list4 (mtype == DBUS_MESSAGE_TYPE_METHOD_CALL ? QCmethod : QCsignal, bus, build_string (interface), build_string (member)); value = Fgethash (key, Vdbus_registered_objects_table, Qnil); @@ -1653,8 +1619,6 @@ xd_read_message_1 (DBusConnection *connection, Lisp_Object bus) /* Cleanup. */ cleanup: dbus_message_unref (dmessage); - - UNGCPRO; } /* Read queued incoming messages of the D-Bus BUS. @@ -1714,11 +1678,7 @@ init_dbusbind (void) void syms_of_dbusbind (void) { - - DEFSYM (Qdbus__init_bus, "dbus--init-bus"); defsubr (&Sdbus__init_bus); - - DEFSYM (Qdbus_get_unique_name, "dbus-get-unique-name"); defsubr (&Sdbus_get_unique_name); DEFSYM (Qdbus_message_internal, "dbus-message-internal"); @@ -1732,37 +1692,37 @@ syms_of_dbusbind (void) build_pure_c_string ("D-Bus error")); /* Lisp symbols of the system and session buses. */ - DEFSYM (QCdbus_system_bus, ":system"); - DEFSYM (QCdbus_session_bus, ":session"); + DEFSYM (QCsystem, ":system"); + DEFSYM (QCsession, ":session"); /* Lisp symbol for method call timeout. */ - DEFSYM (QCdbus_timeout, ":timeout"); + DEFSYM (QCtimeout, ":timeout"); /* Lisp symbols of D-Bus types. */ - DEFSYM (QCdbus_type_byte, ":byte"); - DEFSYM (QCdbus_type_boolean, ":boolean"); - DEFSYM (QCdbus_type_int16, ":int16"); - DEFSYM (QCdbus_type_uint16, ":uint16"); - DEFSYM (QCdbus_type_int32, ":int32"); - DEFSYM (QCdbus_type_uint32, ":uint32"); - DEFSYM (QCdbus_type_int64, ":int64"); - DEFSYM (QCdbus_type_uint64, ":uint64"); - DEFSYM (QCdbus_type_double, ":double"); - DEFSYM (QCdbus_type_string, ":string"); - DEFSYM (QCdbus_type_object_path, ":object-path"); - DEFSYM (QCdbus_type_signature, ":signature"); + DEFSYM (QCbyte, ":byte"); + DEFSYM (QCboolean, ":boolean"); + DEFSYM (QCint16, ":int16"); + DEFSYM (QCuint16, ":uint16"); + DEFSYM (QCint32, ":int32"); + DEFSYM (QCuint32, ":uint32"); + DEFSYM (QCint64, ":int64"); + DEFSYM (QCuint64, ":uint64"); + DEFSYM (QCdouble, ":double"); + DEFSYM (QCstring, ":string"); + DEFSYM (QCobject_path, ":object-path"); + DEFSYM (QCsignature, ":signature"); #ifdef DBUS_TYPE_UNIX_FD - DEFSYM (QCdbus_type_unix_fd, ":unix-fd"); + DEFSYM (QCunix_fd, ":unix-fd"); #endif - DEFSYM (QCdbus_type_array, ":array"); - DEFSYM (QCdbus_type_variant, ":variant"); - DEFSYM (QCdbus_type_struct, ":struct"); - DEFSYM (QCdbus_type_dict_entry, ":dict-entry"); + DEFSYM (QCarray, ":array"); + DEFSYM (QCvariant, ":variant"); + DEFSYM (QCstruct, ":struct"); + DEFSYM (QCdict_entry, ":dict-entry"); /* Lisp symbols of objects in `dbus-registered-objects-table'. */ - DEFSYM (QCdbus_registered_serial, ":serial"); - DEFSYM (QCdbus_registered_method, ":method"); - DEFSYM (QCdbus_registered_signal, ":signal"); + DEFSYM (QCserial, ":serial"); + DEFSYM (QCmethod, ":method"); + DEFSYM (QCsignal, ":signal"); DEFVAR_LISP ("dbus-compiled-version", Vdbus_compiled_version, @@ -1830,7 +1790,7 @@ string which denotes a D-Bus interface, and MEMBER, also a string, is either a method, a signal or a property INTERFACE is offering. All arguments but BUS must not be nil. -The value in the hash table is a list of quadruple lists \((UNAME +The value in the hash table is a list of quadruple lists ((UNAME SERVICE PATH OBJECT [RULE]) ...). SERVICE is the service name as registered, UNAME is the corresponding unique name. In case of registered methods and properties, UNAME is nil. PATH is the object