gecko-dev/b2g/app/nsBrowserApp.cpp
2013-01-07 16:19:39 -05:00

254 lines
6.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsXULAppAPI.h"
#include "application.ini.h"
#include "nsXPCOMGlue.h"
#if defined(XP_WIN)
#include <windows.h>
#include <stdlib.h>
#elif defined(XP_UNIX)
#include <sys/time.h>
#include <sys/resource.h>
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdarg.h>
#include "nsCOMPtr.h"
#include "nsIFile.h"
#include "nsStringGlue.h"
#ifdef XP_WIN
// we want a wmain entry point
#include "nsWindowsWMain.cpp"
#define snprintf _snprintf
#define strcasecmp _stricmp
#endif
#ifdef MOZ_WIDGET_GONK
#include "BootAnimation.h"
#endif
#include "BinaryPath.h"
#include "nsXPCOMPrivate.h" // for MAXPATHLEN and XPCOM_DLL
#include "mozilla/Telemetry.h"
static void Output(const char *fmt, ... )
{
va_list ap;
va_start(ap, fmt);
#if defined(XP_WIN) && !MOZ_WINCONSOLE
PRUnichar msg[2048];
_vsnwprintf(msg, sizeof(msg)/sizeof(msg[0]), NS_ConvertUTF8toUTF16(fmt).get(), ap);
MessageBoxW(NULL, msg, L"XULRunner", MB_OK | MB_ICONERROR);
#else
vfprintf(stderr, fmt, ap);
#endif
va_end(ap);
}
/**
* Return true if |arg| matches the given argument name.
*/
static bool IsArg(const char* arg, const char* s)
{
if (*arg == '-')
{
if (*++arg == '-')
++arg;
return !strcasecmp(arg, s);
}
#if defined(XP_WIN) || defined(XP_OS2)
if (*arg == '/')
return !strcasecmp(++arg, s);
#endif
return false;
}
/**
* A helper class which calls NS_LogInit/NS_LogTerm in its scope.
*/
class ScopedLogging
{
public:
ScopedLogging() { NS_LogInit(); }
~ScopedLogging() { NS_LogTerm(); }
};
XRE_GetFileFromPathType XRE_GetFileFromPath;
XRE_CreateAppDataType XRE_CreateAppData;
XRE_FreeAppDataType XRE_FreeAppData;
#ifdef XRE_HAS_DLL_BLOCKLIST
XRE_SetupDllBlocklistType XRE_SetupDllBlocklist;
#endif
XRE_TelemetryAccumulateType XRE_TelemetryAccumulate;
XRE_mainType XRE_main;
static const nsDynamicFunctionLoad kXULFuncs[] = {
{ "XRE_GetFileFromPath", (NSFuncPtr*) &XRE_GetFileFromPath },
{ "XRE_CreateAppData", (NSFuncPtr*) &XRE_CreateAppData },
{ "XRE_FreeAppData", (NSFuncPtr*) &XRE_FreeAppData },
#ifdef XRE_HAS_DLL_BLOCKLIST
{ "XRE_SetupDllBlocklist", (NSFuncPtr*) &XRE_SetupDllBlocklist },
#endif
{ "XRE_TelemetryAccumulate", (NSFuncPtr*) &XRE_TelemetryAccumulate },
{ "XRE_main", (NSFuncPtr*) &XRE_main },
{ nullptr, nullptr }
};
static int do_main(int argc, char* argv[])
{
nsCOMPtr<nsIFile> appini;
nsresult rv;
// Allow firefox.exe to launch XULRunner apps via -app <application.ini>
// Note that -app must be the *first* argument.
const char *appDataFile = getenv("XUL_APP_FILE");
if (appDataFile && *appDataFile) {
rv = XRE_GetFileFromPath(appDataFile, getter_AddRefs(appini));
if (NS_FAILED(rv)) {
Output("Invalid path found: '%s'", appDataFile);
return 255;
}
}
else if (argc > 1 && IsArg(argv[1], "app")) {
if (argc == 2) {
Output("Incorrect number of arguments passed to -app");
return 255;
}
rv = XRE_GetFileFromPath(argv[2], getter_AddRefs(appini));
if (NS_FAILED(rv)) {
Output("application.ini path not recognized: '%s'", argv[2]);
return 255;
}
char appEnv[MAXPATHLEN];
snprintf(appEnv, MAXPATHLEN, "XUL_APP_FILE=%s", argv[2]);
if (putenv(appEnv)) {
Output("Couldn't set %s.\n", appEnv);
return 255;
}
argv[2] = argv[0];
argv += 2;
argc -= 2;
}
#ifdef MOZ_WIDGET_GONK
/* Called to start the boot animation */
(void) NativeWindow();
#endif
if (appini) {
nsXREAppData *appData;
rv = XRE_CreateAppData(appini, &appData);
if (NS_FAILED(rv)) {
Output("Couldn't read application.ini");
return 255;
}
int result = XRE_main(argc, argv, appData, 0);
XRE_FreeAppData(appData);
return result;
}
return XRE_main(argc, argv, &sAppData, 0);
}
int main(int argc, char* argv[])
{
char exePath[MAXPATHLEN];
nsresult rv = mozilla::BinaryPath::Get(argv[0], exePath);
if (NS_FAILED(rv)) {
Output("Couldn't calculate the application directory.\n");
return 255;
}
char *lastSlash = strrchr(exePath, XPCOM_FILE_PATH_SEPARATOR[0]);
if (!lastSlash || ((lastSlash - exePath) + sizeof(XPCOM_DLL) + 1 > MAXPATHLEN))
return 255;
strcpy(++lastSlash, XPCOM_DLL);
#if defined(XP_UNIX)
// If the b2g app is launched from adb shell, then the shell will wind
// up being the process group controller. This means that we can't send
// signals to the process group (useful for profiling).
// We ignore the return value since setsid() fails if we're already the
// process group controller (the normal situation).
(void)setsid();
#endif
int gotCounters;
#if defined(XP_UNIX)
struct rusage initialRUsage;
gotCounters = !getrusage(RUSAGE_SELF, &initialRUsage);
#elif defined(XP_WIN)
IO_COUNTERS ioCounters;
gotCounters = GetProcessIoCounters(GetCurrentProcess(), &ioCounters);
#endif
// We do this because of data in bug 771745
XPCOMGlueEnablePreload();
rv = XPCOMGlueStartup(exePath);
if (NS_FAILED(rv)) {
Output("Couldn't load XPCOM.\n");
return 255;
}
// Reset exePath so that it is the directory name and not the xpcom dll name
*lastSlash = 0;
rv = XPCOMGlueLoadXULFunctions(kXULFuncs);
if (NS_FAILED(rv)) {
Output("Couldn't load XRE functions.\n");
return 255;
}
#ifdef XRE_HAS_DLL_BLOCKLIST
XRE_SetupDllBlocklist();
#endif
if (gotCounters) {
#if defined(XP_WIN)
XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_READ_OPS,
int(ioCounters.ReadOperationCount));
XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_READ_TRANSFER,
int(ioCounters.ReadTransferCount / 1024));
IO_COUNTERS newIoCounters;
if (GetProcessIoCounters(GetCurrentProcess(), &newIoCounters)) {
XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_READ_OPS,
int(newIoCounters.ReadOperationCount - ioCounters.ReadOperationCount));
XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_READ_TRANSFER,
int((newIoCounters.ReadTransferCount - ioCounters.ReadTransferCount) / 1024));
}
#elif defined(XP_UNIX)
XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_HARD_FAULTS,
int(initialRUsage.ru_majflt));
struct rusage newRUsage;
if (!getrusage(RUSAGE_SELF, &newRUsage)) {
XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_HARD_FAULTS,
int(newRUsage.ru_majflt - initialRUsage.ru_majflt));
}
#endif
}
int result;
{
ScopedLogging log;
result = do_main(argc, argv);
}
return result;
}