b2g/app/nsBrowserApp.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/b2g/app/nsBrowserApp.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,260 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "nsXULAppAPI.h"
    1.10 +#include "application.ini.h"
    1.11 +#include "nsXPCOMGlue.h"
    1.12 +#if defined(XP_WIN)
    1.13 +#include <windows.h>
    1.14 +#include <stdlib.h>
    1.15 +#elif defined(XP_UNIX)
    1.16 +#include <sys/time.h>
    1.17 +#include <sys/resource.h>
    1.18 +#include <unistd.h>
    1.19 +#endif
    1.20 +
    1.21 +#include <stdio.h>
    1.22 +#include <stdarg.h>
    1.23 +
    1.24 +#include "nsCOMPtr.h"
    1.25 +#include "nsIFile.h"
    1.26 +#include "nsStringGlue.h"
    1.27 +
    1.28 +#ifdef XP_WIN
    1.29 +// we want a wmain entry point
    1.30 +#include "nsWindowsWMain.cpp"
    1.31 +#define snprintf _snprintf
    1.32 +#define strcasecmp _stricmp
    1.33 +#endif
    1.34 +
    1.35 +#ifdef MOZ_WIDGET_GONK
    1.36 +#include "GonkDisplay.h"
    1.37 +#endif
    1.38 +
    1.39 +#include "BinaryPath.h"
    1.40 +
    1.41 +#include "nsXPCOMPrivate.h" // for MAXPATHLEN and XPCOM_DLL
    1.42 +
    1.43 +#ifdef MOZ_WIDGET_GONK
    1.44 +# include <binder/ProcessState.h>
    1.45 +#endif
    1.46 +
    1.47 +#include "mozilla/Telemetry.h"
    1.48 +#include "mozilla/WindowsDllBlocklist.h"
    1.49 +
    1.50 +static void Output(const char *fmt, ... )
    1.51 +{
    1.52 +  va_list ap;
    1.53 +  va_start(ap, fmt);
    1.54 +
    1.55 +#if defined(XP_WIN) && !MOZ_WINCONSOLE
    1.56 +  char16_t msg[2048];
    1.57 +  _vsnwprintf(msg, sizeof(msg)/sizeof(msg[0]), NS_ConvertUTF8toUTF16(fmt).get(), ap);
    1.58 +  MessageBoxW(nullptr, msg, L"XULRunner", MB_OK | MB_ICONERROR);
    1.59 +#else
    1.60 +  vfprintf(stderr, fmt, ap);
    1.61 +#endif
    1.62 +
    1.63 +  va_end(ap);
    1.64 +}
    1.65 +
    1.66 +/**
    1.67 + * Return true if |arg| matches the given argument name.
    1.68 + */
    1.69 +static bool IsArg(const char* arg, const char* s)
    1.70 +{
    1.71 +  if (*arg == '-')
    1.72 +  {
    1.73 +    if (*++arg == '-')
    1.74 +      ++arg;
    1.75 +    return !strcasecmp(arg, s);
    1.76 +  }
    1.77 +
    1.78 +#if defined(XP_WIN)
    1.79 +  if (*arg == '/')
    1.80 +    return !strcasecmp(++arg, s);
    1.81 +#endif
    1.82 +
    1.83 +  return false;
    1.84 +}
    1.85 +
    1.86 +/**
    1.87 + * A helper class which calls NS_LogInit/NS_LogTerm in its scope.
    1.88 + */
    1.89 +class ScopedLogging
    1.90 +{
    1.91 +public:
    1.92 +  ScopedLogging() { NS_LogInit(); }
    1.93 +  ~ScopedLogging() { NS_LogTerm(); }
    1.94 +};
    1.95 +
    1.96 +XRE_GetFileFromPathType XRE_GetFileFromPath;
    1.97 +XRE_CreateAppDataType XRE_CreateAppData;
    1.98 +XRE_FreeAppDataType XRE_FreeAppData;
    1.99 +XRE_TelemetryAccumulateType XRE_TelemetryAccumulate;
   1.100 +XRE_mainType XRE_main;
   1.101 +
   1.102 +static const nsDynamicFunctionLoad kXULFuncs[] = {
   1.103 +    { "XRE_GetFileFromPath", (NSFuncPtr*) &XRE_GetFileFromPath },
   1.104 +    { "XRE_CreateAppData", (NSFuncPtr*) &XRE_CreateAppData },
   1.105 +    { "XRE_FreeAppData", (NSFuncPtr*) &XRE_FreeAppData },
   1.106 +    { "XRE_TelemetryAccumulate", (NSFuncPtr*) &XRE_TelemetryAccumulate },
   1.107 +    { "XRE_main", (NSFuncPtr*) &XRE_main },
   1.108 +    { nullptr, nullptr }
   1.109 +};
   1.110 +
   1.111 +static int do_main(int argc, char* argv[])
   1.112 +{
   1.113 +  nsCOMPtr<nsIFile> appini;
   1.114 +  nsresult rv;
   1.115 +
   1.116 +  // Allow firefox.exe to launch XULRunner apps via -app <application.ini>
   1.117 +  // Note that -app must be the *first* argument.
   1.118 +  const char *appDataFile = getenv("XUL_APP_FILE");
   1.119 +  if (appDataFile && *appDataFile) {
   1.120 +    rv = XRE_GetFileFromPath(appDataFile, getter_AddRefs(appini));
   1.121 +    if (NS_FAILED(rv)) {
   1.122 +      Output("Invalid path found: '%s'", appDataFile);
   1.123 +      return 255;
   1.124 +    }
   1.125 +  }
   1.126 +  else if (argc > 1 && IsArg(argv[1], "app")) {
   1.127 +    if (argc == 2) {
   1.128 +      Output("Incorrect number of arguments passed to -app");
   1.129 +      return 255;
   1.130 +    }
   1.131 +
   1.132 +    rv = XRE_GetFileFromPath(argv[2], getter_AddRefs(appini));
   1.133 +    if (NS_FAILED(rv)) {
   1.134 +      Output("application.ini path not recognized: '%s'", argv[2]);
   1.135 +      return 255;
   1.136 +    }
   1.137 +
   1.138 +    char appEnv[MAXPATHLEN];
   1.139 +    snprintf(appEnv, MAXPATHLEN, "XUL_APP_FILE=%s", argv[2]);
   1.140 +    if (putenv(appEnv)) {
   1.141 +      Output("Couldn't set %s.\n", appEnv);
   1.142 +      return 255;
   1.143 +    }
   1.144 +    argv[2] = argv[0];
   1.145 +    argv += 2;
   1.146 +    argc -= 2;
   1.147 +  }
   1.148 +
   1.149 +#ifdef MOZ_WIDGET_GONK
   1.150 +  /* Called to start the boot animation */
   1.151 +  (void) mozilla::GetGonkDisplay();
   1.152 +#endif
   1.153 +
   1.154 +  if (appini) {
   1.155 +    nsXREAppData *appData;
   1.156 +    rv = XRE_CreateAppData(appini, &appData);
   1.157 +    if (NS_FAILED(rv)) {
   1.158 +      Output("Couldn't read application.ini");
   1.159 +      return 255;
   1.160 +    }
   1.161 +    int result = XRE_main(argc, argv, appData, 0);
   1.162 +    XRE_FreeAppData(appData);
   1.163 +    return result;
   1.164 +  }
   1.165 +
   1.166 +  return XRE_main(argc, argv, &sAppData, 0);
   1.167 +}
   1.168 +
   1.169 +int main(int argc, char* argv[])
   1.170 +{
   1.171 +  char exePath[MAXPATHLEN];
   1.172 +
   1.173 +#ifdef MOZ_WIDGET_GONK
   1.174 +  // This creates a ThreadPool for binder ipc. A ThreadPool is necessary to
   1.175 +  // receive binder calls, though not necessary to send binder calls.
   1.176 +  // ProcessState::Self() also needs to be called once on the main thread to
   1.177 +  // register the main thread with the binder driver.
   1.178 +  android::ProcessState::self()->startThreadPool();
   1.179 +#endif
   1.180 +
   1.181 +  nsresult rv = mozilla::BinaryPath::Get(argv[0], exePath);
   1.182 +  if (NS_FAILED(rv)) {
   1.183 +    Output("Couldn't calculate the application directory.\n");
   1.184 +    return 255;
   1.185 +  }
   1.186 +
   1.187 +  char *lastSlash = strrchr(exePath, XPCOM_FILE_PATH_SEPARATOR[0]);
   1.188 +  if (!lastSlash || ((lastSlash - exePath) + sizeof(XPCOM_DLL) + 1 > MAXPATHLEN))
   1.189 +    return 255;
   1.190 +
   1.191 +  strcpy(++lastSlash, XPCOM_DLL);
   1.192 +
   1.193 +#if defined(XP_UNIX)
   1.194 +  // If the b2g app is launched from adb shell, then the shell will wind
   1.195 +  // up being the process group controller. This means that we can't send
   1.196 +  // signals to the process group (useful for profiling).
   1.197 +  // We ignore the return value since setsid() fails if we're already the
   1.198 +  // process group controller (the normal situation).
   1.199 +  (void)setsid();
   1.200 +#endif
   1.201 +
   1.202 +  int gotCounters;
   1.203 +#if defined(XP_UNIX)
   1.204 +  struct rusage initialRUsage;
   1.205 +  gotCounters = !getrusage(RUSAGE_SELF, &initialRUsage);
   1.206 +#elif defined(XP_WIN)
   1.207 +  IO_COUNTERS ioCounters;
   1.208 +  gotCounters = GetProcessIoCounters(GetCurrentProcess(), &ioCounters);
   1.209 +#endif
   1.210 +
   1.211 +#ifdef HAS_DLL_BLOCKLIST
   1.212 +  DllBlocklist_Initialize();
   1.213 +#endif
   1.214 +
   1.215 +  // We do this because of data in bug 771745
   1.216 +  XPCOMGlueEnablePreload();
   1.217 +
   1.218 +  rv = XPCOMGlueStartup(exePath);
   1.219 +  if (NS_FAILED(rv)) {
   1.220 +    Output("Couldn't load XPCOM.\n");
   1.221 +    return 255;
   1.222 +  }
   1.223 +  // Reset exePath so that it is the directory name and not the xpcom dll name
   1.224 +  *lastSlash = 0;
   1.225 +
   1.226 +  rv = XPCOMGlueLoadXULFunctions(kXULFuncs);
   1.227 +  if (NS_FAILED(rv)) {
   1.228 +    Output("Couldn't load XRE functions.\n");
   1.229 +    return 255;
   1.230 +  }
   1.231 +
   1.232 +  if (gotCounters) {
   1.233 +#if defined(XP_WIN)
   1.234 +    XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_READ_OPS,
   1.235 +                            int(ioCounters.ReadOperationCount));
   1.236 +    XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_READ_TRANSFER,
   1.237 +                            int(ioCounters.ReadTransferCount / 1024));
   1.238 +    IO_COUNTERS newIoCounters;
   1.239 +    if (GetProcessIoCounters(GetCurrentProcess(), &newIoCounters)) {
   1.240 +      XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_READ_OPS,
   1.241 +                              int(newIoCounters.ReadOperationCount - ioCounters.ReadOperationCount));
   1.242 +      XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_READ_TRANSFER,
   1.243 +                              int((newIoCounters.ReadTransferCount - ioCounters.ReadTransferCount) / 1024));
   1.244 +    }
   1.245 +#elif defined(XP_UNIX)
   1.246 +    XRE_TelemetryAccumulate(mozilla::Telemetry::EARLY_GLUESTARTUP_HARD_FAULTS,
   1.247 +                            int(initialRUsage.ru_majflt));
   1.248 +    struct rusage newRUsage;
   1.249 +    if (!getrusage(RUSAGE_SELF, &newRUsage)) {
   1.250 +      XRE_TelemetryAccumulate(mozilla::Telemetry::GLUESTARTUP_HARD_FAULTS,
   1.251 +                              int(newRUsage.ru_majflt - initialRUsage.ru_majflt));
   1.252 +    }
   1.253 +#endif
   1.254 +  }
   1.255 +
   1.256 +  int result;
   1.257 +  {
   1.258 +    ScopedLogging log;
   1.259 +    result = do_main(argc, argv);
   1.260 +  }
   1.261 +
   1.262 +  return result;
   1.263 +}

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