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-rw-r--r--indra/newview/llappviewerlinux.cpp624
1 files changed, 312 insertions, 312 deletions
diff --git a/indra/newview/llappviewerlinux.cpp b/indra/newview/llappviewerlinux.cpp
index 9f58f90326..1709970156 100644
--- a/indra/newview/llappviewerlinux.cpp
+++ b/indra/newview/llappviewerlinux.cpp
@@ -5,24 +5,24 @@
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
- *
+ *
* 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;
* version 2.1 of the License only.
- *
+ *
* 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
- *
+ *
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
- */
+ */
#include "llviewerprecompiledheaders.h"
@@ -31,7 +31,7 @@
#include "llcommandlineparser.h"
#include "lldiriterator.h"
-#include "llurldispatcher.h" // SLURL from other app instance
+#include "llurldispatcher.h" // SLURL from other app instance
#include "llviewernetwork.h"
#include "llviewercontrol.h"
#include "llwindowsdl.h"
@@ -53,57 +53,57 @@
namespace
{
- int gArgC = 0;
- char **gArgV = NULL;
- void (*gOldTerminateHandler)() = NULL;
+ int gArgC = 0;
+ char **gArgV = NULL;
+ void (*gOldTerminateHandler)() = NULL;
}
static void exceptionTerminateHandler()
{
- // reinstall default terminate() handler in case we re-terminate.
- if (gOldTerminateHandler) std::set_terminate(gOldTerminateHandler);
- // treat this like a regular viewer crash, with nice stacktrace etc.
+ // reinstall default terminate() handler in case we re-terminate.
+ if (gOldTerminateHandler) std::set_terminate(gOldTerminateHandler);
+ // treat this like a regular viewer crash, with nice stacktrace etc.
long *null_ptr;
null_ptr = 0;
*null_ptr = 0xDEADBEEF; //Force an exception that will trigger breakpad.
- // we've probably been killed-off before now, but...
- gOldTerminateHandler(); // call old terminate() handler
+ // we've probably been killed-off before now, but...
+ gOldTerminateHandler(); // call old terminate() handler
}
-int main( int argc, char **argv )
+int main( int argc, char **argv )
{
- gArgC = argc;
- gArgV = argv;
-
- LLAppViewer* viewer_app_ptr = new LLAppViewerLinux();
-
- // install unexpected exception handler
- gOldTerminateHandler = std::set_terminate(exceptionTerminateHandler);
-
- bool ok = viewer_app_ptr->init();
- if(!ok)
- {
- LL_WARNS() << "Application init failed." << LL_ENDL;
- return -1;
- }
-
- // Run the application main loop
- while (! viewer_app_ptr->frame())
- {}
-
- if (!LLApp::isError())
- {
- //
- // We don't want to do cleanup here if the error handler got called -
- // the assumption is that the error handler is responsible for doing
- // app cleanup if there was a problem.
- //
- viewer_app_ptr->cleanup();
- }
- delete viewer_app_ptr;
- viewer_app_ptr = NULL;
- return 0;
+ gArgC = argc;
+ gArgV = argv;
+
+ LLAppViewer* viewer_app_ptr = new LLAppViewerLinux();
+
+ // install unexpected exception handler
+ gOldTerminateHandler = std::set_terminate(exceptionTerminateHandler);
+
+ bool ok = viewer_app_ptr->init();
+ if(!ok)
+ {
+ LL_WARNS() << "Application init failed." << LL_ENDL;
+ return -1;
+ }
+
+ // Run the application main loop
+ while (! viewer_app_ptr->frame())
+ {}
+
+ if (!LLApp::isError())
+ {
+ //
+ // We don't want to do cleanup here if the error handler got called -
+ // the assumption is that the error handler is responsible for doing
+ // app cleanup if there was a problem.
+ //
+ viewer_app_ptr->cleanup();
+ }
+ delete viewer_app_ptr;
+ viewer_app_ptr = NULL;
+ return 0;
}
LLAppViewerLinux::LLAppViewerLinux()
@@ -116,13 +116,13 @@ LLAppViewerLinux::~LLAppViewerLinux()
bool LLAppViewerLinux::init()
{
- // g_thread_init() must be called before *any* use of glib, *and*
- // before any mutexes are held, *and* some of our third-party
- // libraries likes to use glib functions; in short, do this here
- // really early in app startup!
- if (!g_thread_supported ()) g_thread_init (NULL);
-
- bool success = LLAppViewer::init();
+ // g_thread_init() must be called before *any* use of glib, *and*
+ // before any mutexes are held, *and* some of our third-party
+ // libraries likes to use glib functions; in short, do this here
+ // really early in app startup!
+ if (!g_thread_supported ()) g_thread_init (NULL);
+
+ bool success = LLAppViewer::init();
#if LL_SEND_CRASH_REPORTS
if (success)
@@ -132,14 +132,14 @@ bool LLAppViewerLinux::init()
}
#endif
- return success;
+ return success;
}
bool LLAppViewerLinux::restoreErrorTrap()
{
- // *NOTE:Mani there is a case for implementing this on the mac.
- // Linux doesn't need it to my knowledge.
- return true;
+ // *NOTE:Mani there is a case for implementing this on the mac.
+ // Linux doesn't need it to my knowledge.
+ return true;
}
/////////////////////////////////////////
@@ -157,22 +157,22 @@ static void viewerappapi_class_init(ViewerAppAPIClass *klass);
// regrettable hacks to give us better runtime compatibility with older systems in general
static GType llg_type_register_static_simple_ONCE(GType parent_type,
- const gchar *type_name,
- guint class_size,
- GClassInitFunc class_init,
- guint instance_size,
- GInstanceInitFunc instance_init,
- GTypeFlags flags)
+ const gchar *type_name,
+ guint class_size,
+ GClassInitFunc class_init,
+ guint instance_size,
+ GInstanceInitFunc instance_init,
+ GTypeFlags flags)
{
- static GTypeInfo type_info;
- memset(&type_info, 0, sizeof(type_info));
+ static GTypeInfo type_info;
+ memset(&type_info, 0, sizeof(type_info));
- type_info.class_size = class_size;
- type_info.class_init = class_init;
- type_info.instance_size = instance_size;
- type_info.instance_init = instance_init;
+ type_info.class_size = class_size;
+ type_info.class_init = class_init;
+ type_info.instance_size = instance_size;
+ type_info.instance_init = instance_init;
- return g_type_register_static(parent_type, type_name, &type_info, flags);
+ return g_type_register_static(parent_type, type_name, &type_info, flags);
}
#define llg_intern_static_string(S) (S)
#define g_intern_static_string(S) llg_intern_static_string(S)
@@ -188,66 +188,66 @@ static bool dbus_server_init = false;
void viewerappapi_init(ViewerAppAPI *server)
{
- // Connect to the default DBUS, register our service/API.
-
- if (!dbus_server_init)
- {
- GError *error = NULL;
-
- server->connection = lldbus_g_bus_get(DBUS_BUS_SESSION, &error);
- if (server->connection)
- {
- lldbus_g_object_type_install_info(viewerappapi_get_type(), &dbus_glib_viewerapp_object_info);
-
- lldbus_g_connection_register_g_object(server->connection, VIEWERAPI_PATH, G_OBJECT(server));
-
- DBusGProxy *serverproxy = lldbus_g_proxy_new_for_name(server->connection, DBUS_SERVICE_DBUS, DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS);
-
- guint request_name_ret_unused;
- // akin to org_freedesktop_DBus_request_name
- if (lldbus_g_proxy_call(serverproxy, "RequestName", &error, G_TYPE_STRING, VIEWERAPI_SERVICE, G_TYPE_UINT, 0, G_TYPE_INVALID, G_TYPE_UINT, &request_name_ret_unused, G_TYPE_INVALID))
- {
- // total success.
- dbus_server_init = true;
- }
- else
- {
- LL_WARNS() << "Unable to register service name: " << error->message << LL_ENDL;
- }
-
- g_object_unref(serverproxy);
- }
- else
- {
- g_warning("Unable to connect to dbus: %s", error->message);
- }
-
- if (error)
- g_error_free(error);
- }
+ // Connect to the default DBUS, register our service/API.
+
+ if (!dbus_server_init)
+ {
+ GError *error = NULL;
+
+ server->connection = lldbus_g_bus_get(DBUS_BUS_SESSION, &error);
+ if (server->connection)
+ {
+ lldbus_g_object_type_install_info(viewerappapi_get_type(), &dbus_glib_viewerapp_object_info);
+
+ lldbus_g_connection_register_g_object(server->connection, VIEWERAPI_PATH, G_OBJECT(server));
+
+ DBusGProxy *serverproxy = lldbus_g_proxy_new_for_name(server->connection, DBUS_SERVICE_DBUS, DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS);
+
+ guint request_name_ret_unused;
+ // akin to org_freedesktop_DBus_request_name
+ if (lldbus_g_proxy_call(serverproxy, "RequestName", &error, G_TYPE_STRING, VIEWERAPI_SERVICE, G_TYPE_UINT, 0, G_TYPE_INVALID, G_TYPE_UINT, &request_name_ret_unused, G_TYPE_INVALID))
+ {
+ // total success.
+ dbus_server_init = true;
+ }
+ else
+ {
+ LL_WARNS() << "Unable to register service name: " << error->message << LL_ENDL;
+ }
+
+ g_object_unref(serverproxy);
+ }
+ else
+ {
+ g_warning("Unable to connect to dbus: %s", error->message);
+ }
+
+ if (error)
+ g_error_free(error);
+ }
}
gboolean viewer_app_api_GoSLURL(ViewerAppAPI *obj, gchar *slurl, gboolean **success_rtn, GError **error)
{
- bool success = false;
+ bool success = false;
- LL_INFOS() << "Was asked to go to slurl: " << slurl << LL_ENDL;
+ LL_INFOS() << "Was asked to go to slurl: " << slurl << LL_ENDL;
- std::string url = slurl;
- LLMediaCtrl* web = NULL;
- const bool trusted_browser = false;
- if (LLURLDispatcher::dispatch(url, "", web, trusted_browser))
- {
- // bring window to foreground, as it has just been "launched" from a URL
- // todo: hmm, how to get there from here?
- //xxx->mWindow->bringToFront();
- success = true;
- }
+ std::string url = slurl;
+ LLMediaCtrl* web = NULL;
+ const bool trusted_browser = false;
+ if (LLURLDispatcher::dispatch(url, "", web, trusted_browser))
+ {
+ // bring window to foreground, as it has just been "launched" from a URL
+ // todo: hmm, how to get there from here?
+ //xxx->mWindow->bringToFront();
+ success = true;
+ }
- *success_rtn = g_new (gboolean, 1);
- (*success_rtn)[0] = (gboolean)success;
+ *success_rtn = g_new (gboolean, 1);
+ (*success_rtn)[0] = (gboolean)success;
- return TRUE; // the invokation succeeded, even if the actual dispatch didn't.
+ return TRUE; // the invokation succeeded, even if the actual dispatch didn't.
}
///
@@ -255,81 +255,81 @@ gboolean viewer_app_api_GoSLURL(ViewerAppAPI *obj, gchar *slurl, gboolean **succ
//virtual
bool LLAppViewerLinux::initSLURLHandler()
{
- if (!grab_dbus_syms(DBUSGLIB_DYLIB_DEFAULT_NAME))
- {
- return false; // failed
- }
+ if (!grab_dbus_syms(DBUSGLIB_DYLIB_DEFAULT_NAME))
+ {
+ return false; // failed
+ }
- g_type_init();
+ g_type_init();
- //ViewerAppAPI *api_server = (ViewerAppAPI*)
- g_object_new(viewerappapi_get_type(), NULL);
+ //ViewerAppAPI *api_server = (ViewerAppAPI*)
+ g_object_new(viewerappapi_get_type(), NULL);
- return true;
+ return true;
}
//virtual
bool LLAppViewerLinux::sendURLToOtherInstance(const std::string& url)
{
- if (!grab_dbus_syms(DBUSGLIB_DYLIB_DEFAULT_NAME))
- {
- return false; // failed
- }
-
- bool success = false;
- DBusGConnection *bus;
- GError *error = NULL;
-
- g_type_init();
-
- bus = lldbus_g_bus_get (DBUS_BUS_SESSION, &error);
- if (bus)
- {
- gboolean rtn = FALSE;
- DBusGProxy *remote_object =
- lldbus_g_proxy_new_for_name(bus, VIEWERAPI_SERVICE, VIEWERAPI_PATH, VIEWERAPI_INTERFACE);
-
- if (lldbus_g_proxy_call(remote_object, "GoSLURL", &error,
- G_TYPE_STRING, url.c_str(), G_TYPE_INVALID,
- G_TYPE_BOOLEAN, &rtn, G_TYPE_INVALID))
- {
- success = rtn;
- }
- else
- {
- LL_INFOS() << "Call-out to other instance failed (perhaps not running): " << error->message << LL_ENDL;
- }
-
- g_object_unref(G_OBJECT(remote_object));
- }
- else
- {
- LL_WARNS() << "Couldn't connect to session bus: " << error->message << LL_ENDL;
- }
-
- if (error)
- g_error_free(error);
-
- return success;
+ if (!grab_dbus_syms(DBUSGLIB_DYLIB_DEFAULT_NAME))
+ {
+ return false; // failed
+ }
+
+ bool success = false;
+ DBusGConnection *bus;
+ GError *error = NULL;
+
+ g_type_init();
+
+ bus = lldbus_g_bus_get (DBUS_BUS_SESSION, &error);
+ if (bus)
+ {
+ gboolean rtn = FALSE;
+ DBusGProxy *remote_object =
+ lldbus_g_proxy_new_for_name(bus, VIEWERAPI_SERVICE, VIEWERAPI_PATH, VIEWERAPI_INTERFACE);
+
+ if (lldbus_g_proxy_call(remote_object, "GoSLURL", &error,
+ G_TYPE_STRING, url.c_str(), G_TYPE_INVALID,
+ G_TYPE_BOOLEAN, &rtn, G_TYPE_INVALID))
+ {
+ success = rtn;
+ }
+ else
+ {
+ LL_INFOS() << "Call-out to other instance failed (perhaps not running): " << error->message << LL_ENDL;
+ }
+
+ g_object_unref(G_OBJECT(remote_object));
+ }
+ else
+ {
+ LL_WARNS() << "Couldn't connect to session bus: " << error->message << LL_ENDL;
+ }
+
+ if (error)
+ g_error_free(error);
+
+ return success;
}
#else // LL_DBUS_ENABLED
bool LLAppViewerLinux::initSLURLHandler()
{
- return false; // not implemented without dbus
+ return false; // not implemented without dbus
}
bool LLAppViewerLinux::sendURLToOtherInstance(const std::string& url)
{
- return false; // not implemented without dbus
+ return false; // not implemented without dbus
}
#endif // LL_DBUS_ENABLED
void LLAppViewerLinux::initCrashReporting(bool reportFreeze)
{
- std::string cmd =gDirUtilp->getExecutableDir();
- cmd += gDirUtilp->getDirDelimiter();
+ std::string cmd =gDirUtilp->getExecutableDir();
+ cmd += gDirUtilp->getDirDelimiter();
#if LL_LINUX
- cmd += "linux-crash-logger.bin";
+ cmd += "linux-crash-logger.bin";
#else
# error Unknown platform
#endif
@@ -338,157 +338,157 @@ void LLAppViewerLinux::initCrashReporting(bool reportFreeze)
pid_str << LLApp::getPid();
std::string logdir = gDirUtilp->getExpandedFilename(LL_PATH_DUMP, "");
std::string appname = gDirUtilp->getExecutableFilename();
- // launch the actual crash logger
- const char * cmdargv[] =
- {cmd.c_str(),
- "-user",
- (char*)LLGridManager::getInstance()->getGridId().c_str(),
- "-name",
- LLAppViewer::instance()->getSecondLifeTitle().c_str(),
- "-pid",
- pid_str.str().c_str(),
- "-dumpdir",
- logdir.c_str(),
- "-procname",
- appname.c_str(),
- NULL};
- fflush(NULL);
-
- pid_t pid = fork();
- if (pid == 0)
- { // child
- execv(cmd.c_str(), (char* const*) cmdargv); /* Flawfinder: ignore */
- LL_WARNS() << "execv failure when trying to start " << cmd << LL_ENDL;
- _exit(1); // avoid atexit()
- }
- else
- {
- if (pid > 0)
- {
- // DO NOT wait for child proc to die; we want
- // the logger to outlive us while we quit to
- // free up the screen/keyboard/etc.
- ////int childExitStatus;
- ////waitpid(pid, &childExitStatus, 0);
- }
- else
- {
- LL_WARNS() << "fork failure." << LL_ENDL;
- }
- }
- // Sometimes signals don't seem to quit the viewer. Also, we may
- // have been called explicitly instead of from a signal handler.
- // Make sure we exit so as to not totally confuse the user.
- //_exit(1); // avoid atexit(), else we may re-crash in dtors.
+ // launch the actual crash logger
+ const char * cmdargv[] =
+ {cmd.c_str(),
+ "-user",
+ (char*)LLGridManager::getInstance()->getGridId().c_str(),
+ "-name",
+ LLAppViewer::instance()->getSecondLifeTitle().c_str(),
+ "-pid",
+ pid_str.str().c_str(),
+ "-dumpdir",
+ logdir.c_str(),
+ "-procname",
+ appname.c_str(),
+ NULL};
+ fflush(NULL);
+
+ pid_t pid = fork();
+ if (pid == 0)
+ { // child
+ execv(cmd.c_str(), (char* const*) cmdargv); /* Flawfinder: ignore */
+ LL_WARNS() << "execv failure when trying to start " << cmd << LL_ENDL;
+ _exit(1); // avoid atexit()
+ }
+ else
+ {
+ if (pid > 0)
+ {
+ // DO NOT wait for child proc to die; we want
+ // the logger to outlive us while we quit to
+ // free up the screen/keyboard/etc.
+ ////int childExitStatus;
+ ////waitpid(pid, &childExitStatus, 0);
+ }
+ else
+ {
+ LL_WARNS() << "fork failure." << LL_ENDL;
+ }
+ }
+ // Sometimes signals don't seem to quit the viewer. Also, we may
+ // have been called explicitly instead of from a signal handler.
+ // Make sure we exit so as to not totally confuse the user.
+ //_exit(1); // avoid atexit(), else we may re-crash in dtors.
}
bool LLAppViewerLinux::beingDebugged()
{
- static enum {unknown, no, yes} debugged = unknown;
-
- if (debugged == unknown)
- {
- pid_t ppid = getppid();
- char *name;
- int ret;
-
- ret = asprintf(&name, "/proc/%d/exe", ppid);
- if (ret != -1)
- {
- char buf[1024];
- ssize_t n;
-
- n = readlink(name, buf, sizeof(buf) - 1);
- if (n != -1)
- {
- char *base = strrchr(buf, '/');
- buf[n + 1] = '\0';
- if (base == NULL)
- {
- base = buf;
- } else {
- base += 1;
- }
-
- if (strcmp(base, "gdb") == 0)
- {
- debugged = yes;
- }
- }
- free(name);
- }
- }
-
- return debugged == yes;
+ static enum {unknown, no, yes} debugged = unknown;
+
+ if (debugged == unknown)
+ {
+ pid_t ppid = getppid();
+ char *name;
+ int ret;
+
+ ret = asprintf(&name, "/proc/%d/exe", ppid);
+ if (ret != -1)
+ {
+ char buf[1024];
+ ssize_t n;
+
+ n = readlink(name, buf, sizeof(buf) - 1);
+ if (n != -1)
+ {
+ char *base = strrchr(buf, '/');
+ buf[n + 1] = '\0';
+ if (base == NULL)
+ {
+ base = buf;
+ } else {
+ base += 1;
+ }
+
+ if (strcmp(base, "gdb") == 0)
+ {
+ debugged = yes;
+ }
+ }
+ free(name);
+ }
+ }
+
+ return debugged == yes;
}
void LLAppViewerLinux::initLoggingAndGetLastDuration()
{
- // Remove the last stack trace, if any
- // This file is no longer created, since the move to Google Breakpad
- // The code is left here to clean out any old state in the log dir
- std::string old_stack_file =
- gDirUtilp->getExpandedFilename(LL_PATH_LOGS,"stack_trace.log");
- LLFile::remove(old_stack_file);
-
- LLAppViewer::initLoggingAndGetLastDuration();
+ // Remove the last stack trace, if any
+ // This file is no longer created, since the move to Google Breakpad
+ // The code is left here to clean out any old state in the log dir
+ std::string old_stack_file =
+ gDirUtilp->getExpandedFilename(LL_PATH_LOGS,"stack_trace.log");
+ LLFile::remove(old_stack_file);
+
+ LLAppViewer::initLoggingAndGetLastDuration();
}
bool LLAppViewerLinux::initParseCommandLine(LLCommandLineParser& clp)
{
- if (!clp.parseCommandLine(gArgC, gArgV))
- {
- return false;
- }
-
- // Find the system language.
- FL_Locale *locale = NULL;
- FL_Success success = FL_FindLocale(&locale, FL_MESSAGES);
- if (success != 0)
- {
- if (success >= 2 && locale->lang) // confident!
- {
- LL_INFOS("AppInit") << "Language " << ll_safe_string(locale->lang) << LL_ENDL;
- LL_INFOS("AppInit") << "Location " << ll_safe_string(locale->country) << LL_ENDL;
- LL_INFOS("AppInit") << "Variant " << ll_safe_string(locale->variant) << LL_ENDL;
-
- LLControlVariable* c = gSavedSettings.getControl("SystemLanguage");
- if(c)
- {
- c->setValue(std::string(locale->lang), false);
- }
- }
- }
- FL_FreeLocale(&locale);
-
- return true;
+ if (!clp.parseCommandLine(gArgC, gArgV))
+ {
+ return false;
+ }
+
+ // Find the system language.
+ FL_Locale *locale = NULL;
+ FL_Success success = FL_FindLocale(&locale, FL_MESSAGES);
+ if (success != 0)
+ {
+ if (success >= 2 && locale->lang) // confident!
+ {
+ LL_INFOS("AppInit") << "Language " << ll_safe_string(locale->lang) << LL_ENDL;
+ LL_INFOS("AppInit") << "Location " << ll_safe_string(locale->country) << LL_ENDL;
+ LL_INFOS("AppInit") << "Variant " << ll_safe_string(locale->variant) << LL_ENDL;
+
+ LLControlVariable* c = gSavedSettings.getControl("SystemLanguage");
+ if(c)
+ {
+ c->setValue(std::string(locale->lang), false);
+ }
+ }
+ }
+ FL_FreeLocale(&locale);
+
+ return true;
}
std::string LLAppViewerLinux::generateSerialNumber()
{
- char serial_md5[MD5HEX_STR_SIZE];
- serial_md5[0] = 0;
- std::string best;
- std::string uuiddir("/dev/disk/by-uuid/");
-
- // trawl /dev/disk/by-uuid looking for a good-looking UUID to grab
- std::string this_name;
-
- LLDirIterator iter(uuiddir, "*");
- while (iter.next(this_name))
- {
- if (this_name.length() > best.length() ||
- (this_name.length() == best.length() &&
- this_name > best))
- {
- // longest (and secondarily alphabetically last) so far
- best = this_name;
- }
- }
-
- // we don't return the actual serial number, just a hash of it.
- LLMD5 md5( reinterpret_cast<const unsigned char*>(best.c_str()) );
- md5.hex_digest(serial_md5);
-
- return serial_md5;
+ char serial_md5[MD5HEX_STR_SIZE];
+ serial_md5[0] = 0;
+ std::string best;
+ std::string uuiddir("/dev/disk/by-uuid/");
+
+ // trawl /dev/disk/by-uuid looking for a good-looking UUID to grab
+ std::string this_name;
+
+ LLDirIterator iter(uuiddir, "*");
+ while (iter.next(this_name))
+ {
+ if (this_name.length() > best.length() ||
+ (this_name.length() == best.length() &&
+ this_name > best))
+ {
+ // longest (and secondarily alphabetically last) so far
+ best = this_name;
+ }
+ }
+
+ // we don't return the actual serial number, just a hash of it.
+ LLMD5 md5( reinterpret_cast<const unsigned char*>(best.c_str()) );
+ md5.hex_digest(serial_md5);
+
+ return serial_md5;
}