syncevolution/src/syncevo/eds_abi_wrapper.cpp

541 lines
28 KiB
C++

/*
* Copyright (C) 2008-2009 Patrick Ohly <patrick.ohly@gmx.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#define EDS_ABI_WRAPPER_NO_REDEFINE 1
#include <syncevo/eds_abi_wrapper.h>
#include <syncevo/util.h>
#include <string>
#include <sstream>
#include <dlfcn.h>
#include <stdarg.h>
#include <syncevo/declarations.h>
using namespace std;
namespace {
static std::string &getLookupDebug() { static std::string lookupDebug; return lookupDebug; }
static std::string &getLookupInfo() { static std::string lookupInfo; return lookupInfo; }
}
#ifdef EVOLUTION_COMPATIBILITY
struct EDSAbiWrapper EDSAbiWrapperSingleton;
namespace {
enum {
FIND_SYMBOLS_NEED_ALL = 1<<0, /**< all symbols must be present for findSymbols() to succeed */
FIND_SYMBOLS_LENIENT_MAX_VERSION = 1<<1 /**< also allow libs with higher version, with extra warning */
};
/**
* Opens a <basename>.<num> shared object with <num> coming from a
* range of known compatible versions, falling back to even more
* recent ones only after warning about it. Then searches for
* function pointers.
*
* Either all or none of the function pointers are set.
*
* End user information and debug information are added to
* lookupDebug and lookupInfo.
*
* @param libname full name including .so suffix; .<num> gets appended
* @param minver first known compatible version
* @param maxver last known compatible version
* @param flags controls specific features
* @retval realver found version
* @return dlhandle which must be kept or freed by caller
*/
void *findSymbols(const char *libname, int minver, int maxver,
int flags, int *realver, ... /* function pointer address, name, ..., (void *)0 */)
{
void *dlhandle = NULL;
std::ostringstream debug, info;
int ver;
if (!dlhandle) {
for (ver = maxver;
ver >= minver;
--ver) {
std::ostringstream soname;
soname << libname << "." << ver;
dlhandle = dlopen(soname.str().c_str(), RTLD_GLOBAL|RTLD_LAZY);
if (dlhandle) {
info << "using " << soname.str() << std::endl;
break;
}
}
}
if (!dlhandle && (flags & FIND_SYMBOLS_LENIENT_MAX_VERSION)) {
for (ver = maxver + 1;
ver < maxver + 50;
++ver) {
std::ostringstream soname;
soname << libname << "." << ver;
dlhandle = dlopen(soname.str().c_str(), RTLD_GLOBAL|RTLD_LAZY);
if (dlhandle) {
info << "using " << soname.str() << " - might not be compatible!" << std::endl;
break;
}
}
}
if (realver) {
*realver = ver;
}
if (!dlhandle) {
debug << libname << " not found (tried major versions " << minver << " to " << maxver + 49 << ")" << std::endl;
} else {
bool allfound = true;
va_list ap;
va_start(ap, realver);
void **funcptr = va_arg(ap, void **);
const char *symname = NULL;
while (funcptr) {
symname = va_arg(ap, const char *);
// Don't overwrite address already found earlier. Needed
// for icaltimezone_get_component(), which may be
// overridden by ourselves.
if (!*funcptr) {
*funcptr = dlsym(dlhandle, symname);
if (!*funcptr) {
debug << symname << " not found" << std::endl;
allfound = false;
}
}
funcptr = va_arg(ap, void **);
}
va_end(ap);
if (!allfound && (flags & FIND_SYMBOLS_NEED_ALL)) {
/* unusable, clear symbols and free handle */
va_start(ap, realver);
funcptr = va_arg(ap, void **);
while (funcptr) {
va_arg(ap, const char *);
*funcptr = NULL;
funcptr = va_arg(ap, void **);
}
va_end(ap);
info << libname << " unusable, required function no longer available" << std::endl;
dlclose(dlhandle);
dlhandle = NULL;
}
}
getLookupInfo() += info.str();
getLookupDebug() += info.str();
getLookupDebug() += debug.str();
return dlhandle;
}
# ifdef HAVE_EDS
void *edshandle;
# endif
# ifdef ENABLE_EBOOK
void *ebookhandle;
# endif
# ifdef ENABLE_ECAL
void *ecalhandle;
# endif
# ifdef ENABLE_BLUETOOTH
void *libbluetoothhandle;
sdp_record_t *wrap_sdp_extract_pdu(const uint8_t *pdata, int bufsize, int *scanned) { return EDSAbiWrapperSingleton.sdp_extract_pdu(pdata, scanned); }
int wrap_sdp_extract_seqtype(const uint8_t *buf, int bufsize, uint8_t *dtdp, int *size) { return EDSAbiWrapperSingleton.sdp_extract_seqtype(buf, dtdp, size); }
# endif
}
int EDSAbiHaveEbook, EDSAbiHaveEcal, EDSAbiHaveEdataserver;
int EDSAbiHaveIcal;
int EDSAbiHaveIcal1;
int SyncEvoHaveLibbluetooth;
extern "C" void EDSAbiWrapperInit()
{
static bool initialized;
if (initialized) {
return;
} else {
initialized = true;
}
// Bind icaltimezone_get_component() to the version found (or not found,
// if internal-icaltz not configured) in our own executable.
void *get = dlsym(RTLD_DEFAULT, "icaltimezone_get_component");
getLookupDebug() += SyncEvo::StringPrintf("icaltimezone_get_component = %p", get);
#if defined(ENABLE_ECAL) || defined(ENABLE_ICAL)
EDSAbiWrapperSingleton.icaltimezone_get_component = (icalcomponent *(*)(icaltimezone *))get;
#endif
# ifdef HAVE_EDS
edshandle =
findSymbols("libedataserver-1.2.so", 7, 16,
FIND_SYMBOLS_NEED_ALL, NULL,
&EDSAbiWrapperSingleton.e_source_get_type, "e_source_get_type",
&EDSAbiWrapperSingleton.e_source_get_uri, "e_source_get_uri",
&EDSAbiWrapperSingleton.e_source_group_get_type, "e_source_group_get_type",
&EDSAbiWrapperSingleton.e_source_group_peek_sources, "e_source_group_peek_sources",
&EDSAbiWrapperSingleton.e_source_list_peek_groups, "e_source_list_peek_groups",
&EDSAbiWrapperSingleton.e_source_peek_name, "e_source_peek_name",
(void *)0);
EDSAbiHaveEdataserver = EDSAbiWrapperSingleton.e_source_group_peek_sources != 0;
# endif // HAVE_EDS
# ifdef ENABLE_EBOOK
static const int libebookMinVersion = 5,
libebookMaxVersion = 13; // EDS 3.4
ebookhandle =
findSymbols("libebook-1.2.so", libebookMinVersion, libebookMaxVersion,
FIND_SYMBOLS_NEED_ALL, NULL,
&EDSAbiWrapperSingleton.e_book_add_contact, "e_book_add_contact",
&EDSAbiWrapperSingleton.e_book_authenticate_user, "e_book_authenticate_user",
&EDSAbiWrapperSingleton.e_book_commit_contact, "e_book_commit_contact",
&EDSAbiWrapperSingleton.e_contact_duplicate, "e_contact_duplicate",
&EDSAbiWrapperSingleton.e_contact_get_const, "e_contact_get_const",
&EDSAbiWrapperSingleton.e_contact_get, "e_contact_get",
&EDSAbiWrapperSingleton.e_contact_name_free, "e_contact_name_free",
&EDSAbiWrapperSingleton.e_contact_get_type, "e_contact_get_type",
&EDSAbiWrapperSingleton.e_contact_new_from_vcard, "e_contact_new_from_vcard",
&EDSAbiWrapperSingleton.e_contact_set, "e_contact_set",
&EDSAbiWrapperSingleton.e_book_error_quark, "e_book_error_quark",
&EDSAbiWrapperSingleton.e_book_get_addressbooks, "e_book_get_addressbooks",
&EDSAbiWrapperSingleton.e_book_get_changes, "e_book_get_changes",
&EDSAbiWrapperSingleton.e_book_get_contact, "e_book_get_contact",
&EDSAbiWrapperSingleton.e_book_get_contacts, "e_book_get_contacts",
&EDSAbiWrapperSingleton.e_book_get_supported_auth_methods, "e_book_get_supported_auth_methods",
&EDSAbiWrapperSingleton.e_book_get_uri, "e_book_get_uri",
&EDSAbiWrapperSingleton.e_book_new, "e_book_new",
&EDSAbiWrapperSingleton.e_book_new_default_addressbook, "e_book_new_default_addressbook",
&EDSAbiWrapperSingleton.e_book_new_from_uri, "e_book_new_from_uri",
&EDSAbiWrapperSingleton.e_book_new_system_addressbook, "e_book_new_system_addressbook",
&EDSAbiWrapperSingleton.e_book_open, "e_book_open",
&EDSAbiWrapperSingleton.e_book_query_any_field_contains, "e_book_query_any_field_contains",
&EDSAbiWrapperSingleton.e_book_query_unref, "e_book_query_unref",
&EDSAbiWrapperSingleton.e_book_remove_contact, "e_book_remove_contact",
&EDSAbiWrapperSingleton.e_vcard_to_string, "e_vcard_to_string",
(void *)0);
EDSAbiHaveEbook = EDSAbiWrapperSingleton.e_book_new != 0;
findSymbols("libebook-1.2.so", libebookMinVersion, libebookMaxVersion,
0, NULL,
&EDSAbiWrapperSingleton.e_contact_inline_local_photos, "e_contact_inline_local_photos",
(void *)0);
# endif // ENABLE_EBOOK
#define EDS_ABI_WRAPPER_ICAL_BASE \
&EDSAbiWrapperSingleton.icalcomponent_add_component, "icalcomponent_add_component", \
&EDSAbiWrapperSingleton.icalcomponent_add_property, "icalcomponent_add_property", \
&EDSAbiWrapperSingleton.icalcomponent_as_ical_string, "icalcomponent_as_ical_string", \
&EDSAbiWrapperSingleton.icalcomponent_free, "icalcomponent_free", \
&EDSAbiWrapperSingleton.icalcomponent_get_first_component, "icalcomponent_get_first_component", \
&EDSAbiWrapperSingleton.icalcomponent_get_first_property, "icalcomponent_get_first_property", \
&EDSAbiWrapperSingleton.icalcomponent_get_next_component, "icalcomponent_get_next_component", \
&EDSAbiWrapperSingleton.icalcomponent_get_next_property, "icalcomponent_get_next_property", \
&EDSAbiWrapperSingleton.icalcomponent_get_recurrenceid, "icalcomponent_get_recurrenceid", \
&EDSAbiWrapperSingleton.icalcomponent_get_timezone, "icalcomponent_get_timezone", \
&EDSAbiWrapperSingleton.icalcomponent_get_location, "icalcomponent_get_location", \
&EDSAbiWrapperSingleton.icalcomponent_get_summary, "icalcomponent_get_summary", \
&EDSAbiWrapperSingleton.icalcomponent_get_uid, "icalcomponent_get_uid", \
&EDSAbiWrapperSingleton.icalcomponent_get_dtstart, "icalcomponent_get_dtstart", \
&EDSAbiWrapperSingleton.icalcomponent_set_dtstart, "icalcomponent_set_dtstart", \
&EDSAbiWrapperSingleton.icalcomponent_isa, "icalcomponent_isa", \
&EDSAbiWrapperSingleton.icalcomponent_new_clone, "icalcomponent_new_clone", \
&EDSAbiWrapperSingleton.icalcomponent_new_from_string, "icalcomponent_new_from_string", \
&EDSAbiWrapperSingleton.icalcomponent_new, "icalcomponent_new", \
&EDSAbiWrapperSingleton.icalcomponent_merge_component, "icalcomponent_merge_component", \
&EDSAbiWrapperSingleton.icalcomponent_remove_component, "icalcomponent_remove_component", \
&EDSAbiWrapperSingleton.icalcomponent_remove_property, "icalcomponent_remove_property", \
&EDSAbiWrapperSingleton.icalcomponent_set_uid, "icalcomponent_set_uid", \
&EDSAbiWrapperSingleton.icalcomponent_set_recurrenceid, "icalcomponent_set_recurrenceid", \
&EDSAbiWrapperSingleton.icalcomponent_vanew, "icalcomponent_vanew", \
&EDSAbiWrapperSingleton.icalparameter_get_tzid, "icalparameter_get_tzid", \
&EDSAbiWrapperSingleton.icalparameter_set_tzid, "icalparameter_set_tzid", \
&EDSAbiWrapperSingleton.icalparameter_new_from_value_string, "icalparameter_new_from_value_string", \
&EDSAbiWrapperSingleton.icalparameter_new_clone, "icalparameter_new_clone", \
&EDSAbiWrapperSingleton.icalproperty_new_clone, "icalproperty_new_clone", \
&EDSAbiWrapperSingleton.icalproperty_free, "icalproperty_free", \
&EDSAbiWrapperSingleton.icalproperty_get_description, "icalproperty_get_description", \
&EDSAbiWrapperSingleton.icalproperty_get_uid, "icalproperty_get_uid", \
&EDSAbiWrapperSingleton.icalproperty_get_recurrenceid, "icalproperty_get_recurrenceid", \
&EDSAbiWrapperSingleton.icalproperty_set_recurrenceid, "icalproperty_set_recurrenceid", \
&EDSAbiWrapperSingleton.icalproperty_get_sequence, "icalproperty_get_sequence", \
&EDSAbiWrapperSingleton.icalproperty_get_property_name, "icalproperty_get_property_name", \
&EDSAbiWrapperSingleton.icalproperty_get_first_parameter, "icalproperty_get_first_parameter", \
&EDSAbiWrapperSingleton.icalproperty_get_lastmodified, "icalproperty_get_lastmodified", \
&EDSAbiWrapperSingleton.icalproperty_get_next_parameter, "icalproperty_get_next_parameter", \
&EDSAbiWrapperSingleton.icalproperty_set_parameter, "icalproperty_set_parameter", \
&EDSAbiWrapperSingleton.icalproperty_get_summary, "icalproperty_get_summary", \
&EDSAbiWrapperSingleton.icalproperty_new_description, "icalproperty_new_description", \
&EDSAbiWrapperSingleton.icalproperty_new_summary, "icalproperty_new_summary", \
&EDSAbiWrapperSingleton.icalproperty_new_uid, "icalproperty_new_uid", \
&EDSAbiWrapperSingleton.icalproperty_new_sequence, "icalproperty_new_sequence", \
&EDSAbiWrapperSingleton.icalproperty_new_recurrenceid, "icalproperty_new_recurrenceid", \
&EDSAbiWrapperSingleton.icalproperty_set_value_from_string, "icalproperty_set_value_from_string", \
&EDSAbiWrapperSingleton.icalproperty_set_dtstamp, "icalproperty_set_dtstamp", \
&EDSAbiWrapperSingleton.icalproperty_set_lastmodified, "icalproperty_set_lastmodified", \
&EDSAbiWrapperSingleton.icalproperty_set_sequence, "icalproperty_set_sequence", \
&EDSAbiWrapperSingleton.icalproperty_set_uid, "icalproperty_set_uid", \
&EDSAbiWrapperSingleton.icalproperty_remove_parameter_by_kind, "icalproperty_remove_parameter_by_kind", \
&EDSAbiWrapperSingleton.icalproperty_add_parameter, "icalproperty_add_parameter", \
&EDSAbiWrapperSingleton.icalproperty_get_value_as_string, "icalproperty_get_value_as_string", \
&EDSAbiWrapperSingleton.icalproperty_get_x_name, "icalproperty_get_x_name", \
&EDSAbiWrapperSingleton.icalproperty_new_from_string, "icalproperty_new_from_string", \
&EDSAbiWrapperSingleton.icaltime_is_null_time, "icaltime_is_null_time", \
&EDSAbiWrapperSingleton.icaltime_is_utc, "icaltime_is_utc", \
&EDSAbiWrapperSingleton.icaltime_as_ical_string, "icaltime_as_ical_string", \
&EDSAbiWrapperSingleton.icaltime_from_string, "icaltime_from_string", \
&EDSAbiWrapperSingleton.icaltime_from_timet, "icaltime_from_timet", \
&EDSAbiWrapperSingleton.icaltime_null_time, "icaltime_null_time", \
&EDSAbiWrapperSingleton.icaltime_as_timet, "icaltime_as_timet", \
&EDSAbiWrapperSingleton.icaltime_set_timezone, "icaltime_set_timezone", \
&EDSAbiWrapperSingleton.icaltime_convert_to_zone, "icaltime_convert_to_zone", \
&EDSAbiWrapperSingleton.icaltime_get_timezone, "icaltime_get_timezone", \
&EDSAbiWrapperSingleton.icaltimezone_free, "icaltimezone_free", \
&EDSAbiWrapperSingleton.icaltimezone_get_builtin_timezone, "icaltimezone_get_builtin_timezone", \
&EDSAbiWrapperSingleton.icaltimezone_get_builtin_timezone_from_tzid, "icaltimezone_get_builtin_timezone_from_tzid", \
&EDSAbiWrapperSingleton.icaltimezone_get_component, "icaltimezone_get_component", \
&EDSAbiWrapperSingleton.icaltimezone_get_tzid, "icaltimezone_get_tzid", \
&EDSAbiWrapperSingleton.icaltimezone_new, "icaltimezone_new", \
&EDSAbiWrapperSingleton.icaltimezone_set_component, "icaltimezone_set_component", \
&EDSAbiWrapperSingleton.icaltimezone_get_location, "icaltimezone_get_location", \
&EDSAbiWrapperSingleton.ical_tzid_prefix, "ical_tzid_prefix", \
&EDSAbiWrapperSingleton.icalerror_set_errno, "icalerror_set_errno", \
&EDSAbiWrapperSingleton.icalproperty_new_dtstart, "icalproperty_new_dtstart", \
&EDSAbiWrapperSingleton.icalproperty_new_rrule, "icalproperty_new_rrule", \
&EDSAbiWrapperSingleton.icalproperty_new_tzid, "icalproperty_new_tzid", \
&EDSAbiWrapperSingleton.icalproperty_new_tzname, "icalproperty_new_tzname", \
&EDSAbiWrapperSingleton.icalproperty_new_tzoffsetfrom, "icalproperty_new_tzoffsetfrom", \
&EDSAbiWrapperSingleton.icalproperty_new_tzoffsetto, "icalproperty_new_tzoffsetto", \
&EDSAbiWrapperSingleton.icalproperty_new_x, "icalproperty_new_x", \
&EDSAbiWrapperSingleton.icalproperty_set_x_name, "icalproperty_set_x_name", \
&EDSAbiWrapperSingleton.icalrecur_iterator_free, "icalrecur_iterator_free", \
&EDSAbiWrapperSingleton.icalrecur_iterator_new, "icalrecur_iterator_new", \
&EDSAbiWrapperSingleton.icalrecur_iterator_next, "icalrecur_iterator_next", \
&EDSAbiWrapperSingleton.icalrecurrencetype_clear, "icalrecurrencetype_clear", \
&EDSAbiWrapperSingleton.icaltime_day_of_week, "icaltime_day_of_week", \
&EDSAbiWrapperSingleton.icaltime_days_in_month, "icaltime_days_in_month", \
&EDSAbiWrapperSingleton.icaltzutil_get_zone_directory, "icaltzutil_get_zone_directory", \
// icalparameter_new_scheduleagent was added in libical.so.1. We
// use it only to detect the libical 1.0 ABI. This works because
// all methods in EDS_ABI_WRAPPER_ICAL_R are considered optional.
#define EDS_ABI_WRAPPER_ICAL_R \
&EDSAbiWrapperSingleton.icalparameter_new_scheduleagent, "icalparameter_new_scheduleagent", \
&EDSAbiWrapperSingleton.icalcomponent_as_ical_string_r, "icalcomponent_as_ical_string_r", \
&EDSAbiWrapperSingleton.icaltime_as_ical_string_r, "icaltime_as_ical_string_r", \
&EDSAbiWrapperSingleton.icalproperty_get_value_as_string_r, "icalproperty_get_value_as_string_r",
# ifdef ENABLE_ECAL
static const int libecalMinVersion = 3,
libecalMaxVersion = 11; // EDS 3.4
ecalhandle =
findSymbols("libecal-1.2.so", libecalMinVersion, libecalMaxVersion,
FIND_SYMBOLS_NEED_ALL, NULL,
&EDSAbiWrapperSingleton.e_cal_add_timezone, "e_cal_add_timezone",
&EDSAbiWrapperSingleton.e_cal_component_get_icalcomponent, "e_cal_component_get_icalcomponent",
&EDSAbiWrapperSingleton.e_cal_component_get_last_modified, "e_cal_component_get_last_modified",
&EDSAbiWrapperSingleton.e_cal_component_get_type, "e_cal_component_get_type",
&EDSAbiWrapperSingleton.e_cal_create_object, "e_cal_create_object",
&EDSAbiWrapperSingleton.e_calendar_error_quark, "e_calendar_error_quark",
&EDSAbiWrapperSingleton.e_cal_get_component_as_string, "e_cal_get_component_as_string",
&EDSAbiWrapperSingleton.e_cal_get_object, "e_cal_get_object",
&EDSAbiWrapperSingleton.e_cal_get_object_list_as_comp, "e_cal_get_object_list_as_comp",
&EDSAbiWrapperSingleton.e_cal_get_sources, "e_cal_get_sources",
&EDSAbiWrapperSingleton.e_cal_get_timezone, "e_cal_get_timezone",
&EDSAbiWrapperSingleton.e_cal_modify_object, "e_cal_modify_object",
&EDSAbiWrapperSingleton.e_cal_new, "e_cal_new",
&EDSAbiWrapperSingleton.e_cal_new_from_uri, "e_cal_new_from_uri",
&EDSAbiWrapperSingleton.e_cal_new_system_calendar, "e_cal_new_system_calendar",
&EDSAbiWrapperSingleton.e_cal_new_system_tasks, "e_cal_new_system_tasks",
&EDSAbiWrapperSingleton.e_cal_get_uri, "e_cal_get_uri",
&EDSAbiWrapperSingleton.e_cal_open, "e_cal_open",
&EDSAbiWrapperSingleton.e_cal_remove_object, "e_cal_remove_object",
&EDSAbiWrapperSingleton.e_cal_remove_object_with_mod, "e_cal_remove_object_with_mod",
&EDSAbiWrapperSingleton.e_cal_set_auth_func, "e_cal_set_auth_func",
EDS_ABI_WRAPPER_ICAL_BASE
(void *)0);
EDSAbiHaveEcal = EDSAbiWrapperSingleton.e_cal_new != 0;
ecalhandle =
findSymbols("libecal-1.2.so", libecalMinVersion, libecalMaxVersion,
0, NULL,
EDS_ABI_WRAPPER_ICAL_R
(void *)0);
# endif // ENABLE_ECAL
# ifdef ENABLE_ICAL
if (!EDSAbiWrapperSingleton.icalcomponent_add_component) {
// libecal not found above (or not enabled), but libical
// might still be available, so check for it separately
ecalhandle =
findSymbols("libical.so", 0, 1,
FIND_SYMBOLS_NEED_ALL, NULL,
EDS_ABI_WRAPPER_ICAL_BASE
(void *)0);
ecalhandle =
findSymbols("libical.so", 0, 1,
0, NULL,
EDS_ABI_WRAPPER_ICAL_R
(void *)0);
}
EDSAbiHaveIcal = EDSAbiWrapperSingleton.icalcomponent_add_component != 0;
EDSAbiHaveIcal1 = EDSAbiWrapperSingleton.icalparameter_new_scheduleagent != 0;
# endif // ENABLE_ICAL
# ifdef ENABLE_BLUETOOTH
int bluetooth_version;
libbluetoothhandle =
findSymbols("libbluetooth.so", 2, 3, 0, &bluetooth_version,
&EDSAbiWrapperSingleton.sdp_close, "sdp_close",
&EDSAbiWrapperSingleton.sdp_connect, "sdp_connect",
&EDSAbiWrapperSingleton.sdp_extract_pdu, "sdp_extract_pdu",
&EDSAbiWrapperSingleton.sdp_extract_pdu_safe, "sdp_extract_pdu_safe",
&EDSAbiWrapperSingleton.sdp_extract_seqtype, "sdp_extract_seqtype",
&EDSAbiWrapperSingleton.sdp_extract_seqtype_safe, "sdp_extract_seqtype_safe",
&EDSAbiWrapperSingleton.sdp_get_access_protos, "sdp_get_access_protos",
&EDSAbiWrapperSingleton.sdp_get_proto_port, "sdp_get_proto_port",
&EDSAbiWrapperSingleton.sdp_get_socket, "sdp_get_socket",
&EDSAbiWrapperSingleton.sdp_list_append, "sdp_list_append",
&EDSAbiWrapperSingleton.sdp_list_free, "sdp_list_free",
&EDSAbiWrapperSingleton.sdp_process, "sdp_process",
&EDSAbiWrapperSingleton.sdp_record_free, "sdp_record_free",
&EDSAbiWrapperSingleton.sdp_service_search_attr_async, "sdp_service_search_attr_async",
&EDSAbiWrapperSingleton.sdp_set_notify, "sdp_set_notify",
&EDSAbiWrapperSingleton.sdp_uuid128_create, "sdp_uuid128_create",
&EDSAbiWrapperSingleton.str2ba, "str2ba",
(void *)0);
if (bluetooth_version == 2) {
// libbluetooth.so.2's sdp_extract_pdu() and
// sdp_extract_seqtype() do not match our prototype (have no
// bufsize). Some versions have a _safe variant. If not, use
// wrappers which accept the bufsize parameter and drop it.
if (!EDSAbiWrapperSingleton.sdp_extract_pdu_safe) {
EDSAbiWrapperSingleton.sdp_extract_pdu_safe = wrap_sdp_extract_pdu;
}
if (!EDSAbiWrapperSingleton.sdp_extract_seqtype_safe) {
EDSAbiWrapperSingleton.sdp_extract_seqtype_safe = wrap_sdp_extract_seqtype;
}
} else {
// _safe variants were removed in favor of an API/ABI change. Redirect
// into normal versions. We know they have the right prototype because
// of that change.
EDSAbiWrapperSingleton.sdp_extract_pdu_safe = reinterpret_cast<typeof(EDSAbiWrapperSingleton.sdp_extract_pdu_safe)>(EDSAbiWrapperSingleton.sdp_extract_pdu);
EDSAbiWrapperSingleton.sdp_extract_seqtype_safe = reinterpret_cast<typeof(EDSAbiWrapperSingleton.sdp_extract_seqtype_safe)>(EDSAbiWrapperSingleton.sdp_extract_seqtype);
}
SyncEvoHaveLibbluetooth = EDSAbiWrapperSingleton.sdp_connect != 0;
# endif
}
#elif defined(EVOLUTION_ICAL_COMPATIBILITY)
// Simpler version of the ABI wrapper which only checks for
// libical.so.1. To be used with normal linking against libical.so.0
// and then patching the resulting files to be used with libical.so.1
// instead.
int EDSAbiHaveIcal1;
void EDSAbiWrapperInit()
{
static bool initialized;
if (initialized) {
return;
} else {
initialized = true;
}
// Bind icaltimezone_get_component() and
// icaltzutil_fetch_timezone() to the version found (or not found,
// if not enabled) in our own executable. Without this, the
// dynamic linker on Ubuntu Saucy and Trusty prefers the versions
// from libical once it is loaded.
void *fetch = dlsym(RTLD_DEFAULT, "icaltzutil_fetch_timezone");
void *get = dlsym(RTLD_DEFAULT, "icaltimezone_get_component");
getLookupDebug() += SyncEvo::StringPrintf("icaltzutil_fetch_timezone = %p\n", fetch);
getLookupDebug() += SyncEvo::StringPrintf("icaltimezone_get_component = %p", get);
static const char *soname = "libical.so.1";
void *dlhandle = dlopen(soname, RTLD_GLOBAL|RTLD_LAZY);
if (dlhandle) {
getLookupInfo() += "using ";
getLookupInfo() += soname;
getLookupInfo() += "\n";
EDSAbiHaveIcal1 = 1;
dlclose(dlhandle);
}
}
#endif // EVOLUTION_COMPATIBILITY
extern "C" const char *EDSAbiWrapperInfo() { EDSAbiWrapperInit(); return getLookupInfo().c_str(); }
extern "C" const char *EDSAbiWrapperDebug() { EDSAbiWrapperInit(); return getLookupDebug().c_str(); }
#ifdef ENABLE_DBUS_TIMEOUT_HACK
/**
* There are valid use cases where the (previously hard-coded) default
* timeout was too short. For example, libecal and libebook >= 2.30
* implement their synchronous API with synchronous D-Bus method calls,
* which inevitably suffers from timeouts on slow hardware with large
* amount of data (MBC #4026).
*
* This function replaces _DBUS_DEFAULT_TIMEOUT_VALUE and - if set -
* interprets the content of SYNCEVOLUTION_DBUS_TIMEOUT as number of
* milliseconds. 0 disables timeouts, which is also the default if the
* env variable is not set.
*/
static int _dbus_connection_default_timeout(void)
{
const char *def = getenv("SYNCEVOLUTION_DBUS_TIMEOUT");
int timeout = 0;
if (def) {
timeout = atoi(def);
}
if (timeout == 0) {
timeout = INT_MAX - 1; // not infinite, but very long;
// INT_MAX led to a valgrind report in poll()/libdbus,
// avoid it
}
return timeout;
}
extern "C" int
dbus_connection_send_with_reply (void *connection,
void *message,
void **pending_return,
int timeout_milliseconds)
{
static typeof(dbus_connection_send_with_reply) *real_func;
if (!real_func) {
real_func = (typeof(dbus_connection_send_with_reply) *)dlsym(RTLD_NEXT, "dbus_connection_send_with_reply");
}
return real_func ?
real_func(connection, message, pending_return,
timeout_milliseconds == -1 ? _dbus_connection_default_timeout() : timeout_milliseconds) :
0;
}
#endif // ENABLE_DBUS_TIMEOUT_HACK