| // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <cstdio> |
| #include <dlfcn.h> |
| #include <string.h> |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "chromeos_cros_api.h" // NOLINT |
| #include "chromeos_network.h" // NOLINT |
| |
| namespace chromeos { // NOLINT // |
| |
| namespace { |
| // If set, points to a function provided by Chrome to add a histogram. |
| LibcrosTimeHistogramFunc addHistogram = NULL; |
| // Pointer to libcros (from ::dlopen call). |
| void* dll_handle = NULL; |
| } |
| |
| class TimerInst { |
| public: |
| TimerInst(const char* name) { |
| if (addHistogram) { |
| name_ = std::string("Cros.") + name; |
| start_ = base::TimeTicks::Now(); |
| } |
| } |
| ~TimerInst() { |
| if (addHistogram) { |
| base::TimeDelta delta = base::TimeTicks::Now() - start_; |
| addHistogram(name_.c_str(), delta); |
| } |
| } |
| |
| private: |
| std::string name_; |
| base::TimeTicks start_; |
| }; |
| |
| // Declare Function. These macros are used to define the imported functions |
| // from libcros. They will declare the proper type and define an exported |
| // variable to be used to call the function. |
| // |name| is the name of the function. |
| // |ret| is the return type. |
| // |arg[1-5]| are the types are the arguments. |
| // These are compile time declarations only. |
| // INIT_FUNC(name) needs to be called at runtime. |
| #define DECL_FUNC_0(name, ret) \ |
| typedef ret (*name##Type)(); \ |
| name##Type name = 0; \ |
| ret WrapChromeOS##name() { \ |
| static name##Type func = name##Type(::dlsym(dll_handle, "ChromeOS"#name)); \ |
| TimerInst timer(#name); return func(); } |
| |
| #define DECL_FUNC_1(name, ret, arg1) \ |
| typedef ret (*name##Type)(arg1); \ |
| name##Type name = 0; \ |
| ret WrapChromeOS##name(arg1 a1) { \ |
| static name##Type func = name##Type(::dlsym(dll_handle, "ChromeOS"#name)); \ |
| TimerInst timer(#name); return func(a1); } |
| |
| #define DECL_FUNC_2(name, ret, arg1, arg2) \ |
| typedef ret (*name##Type)(arg1, arg2); \ |
| name##Type name = 0; \ |
| ret WrapChromeOS##name(arg1 a1, arg2 a2) { \ |
| static name##Type func = name##Type(::dlsym(dll_handle, "ChromeOS"#name)); \ |
| TimerInst timer(#name); return func(a1, a2); } |
| |
| #define DECL_FUNC_3(name, ret, arg1, arg2, arg3) \ |
| typedef ret (*name##Type)(arg1, arg2, arg3); \ |
| name##Type name = 0; \ |
| ret WrapChromeOS##name(arg1 a1, arg2 a2, arg3 a3) { \ |
| static name##Type func = name##Type(::dlsym(dll_handle, "ChromeOS"#name)); \ |
| TimerInst timer(#name); return func(a1, a2, a3); } |
| |
| #define DECL_FUNC_4(name, ret, arg1, arg2, arg3, arg4) \ |
| typedef ret (*name##Type)(arg1, arg2, arg3, arg4); \ |
| name##Type name = 0; \ |
| ret WrapChromeOS##name(arg1 a1, arg2 a2, arg3 a3, arg4 a4) { \ |
| static name##Type func = name##Type(::dlsym(dll_handle, "ChromeOS"#name)); \ |
| TimerInst timer(#name); return func(a1, a2, a3, a4); } |
| |
| #define DECL_FUNC_5(name, ret, arg1, arg2, arg3, arg4, arg5) \ |
| typedef ret (*name##Type)(arg1, arg2, arg3, arg4, arg5); \ |
| name##Type name = 0; \ |
| extern "C" ret ChromeOS##name(arg1, arg2, arg3, arg4, arg5); \ |
| ret WrapChromeOS##name( \ |
| arg1 a1, arg2 a2, arg3 a3, arg4 a4, arg5 a5) { \ |
| static name##Type func = name##Type(::dlsym(dll_handle, "ChromeOS"#name)); \ |
| TimerInst timer(#name); return func(a1, a2, a3, a4, a5); } |
| |
| #define DECL_FUNC_6(name, ret, arg1, arg2, arg3, arg4, arg5, arg6) \ |
| typedef ret (*name##Type)(arg1, arg2, arg3, arg4, arg5, arg6); \ |
| name##Type name = 0; \ |
| extern "C" ret ChromeOS##name(arg1, arg2, arg3, arg4, arg5, arg6); \ |
| ret WrapChromeOS##name( \ |
| arg1 a1, arg2 a2, arg3 a3, arg4 a4, arg5 a5, arg6 a6) { \ |
| static name##Type func = name##Type(::dlsym(dll_handle, "ChromeOS"#name)); \ |
| TimerInst timer(#name); return func(a1, a2, a3, a4, a5, a6); } |
| |
| // Version |
| DECL_FUNC_1(CrosVersionCheck, bool, chromeos::CrosAPIVersion); |
| |
| // Networking |
| DECL_FUNC_2(ActivateCellularModem, bool, const char*, const char*); |
| DECL_FUNC_3(SetNetworkServicePropertyGValue, void, const char*, const char*, |
| const GValue*); |
| DECL_FUNC_2(ClearNetworkServiceProperty, void, const char*, const char*); |
| DECL_FUNC_3(SetNetworkDevicePropertyGValue, void, const char*, const char*, |
| const GValue*); |
| DECL_FUNC_3(SetNetworkIPConfigPropertyGValue, void, const char*, const char*, |
| const GValue*); |
| DECL_FUNC_2(DeleteServiceFromProfile, void, const char*, const char*); |
| DECL_FUNC_1(RequestCellularDataPlanUpdate, void, const char*); |
| DECL_FUNC_2(MonitorNetworkManagerProperties, NetworkPropertiesMonitor, |
| MonitorPropertyGValueCallback, void*); |
| DECL_FUNC_3(MonitorNetworkServiceProperties, NetworkPropertiesMonitor, |
| MonitorPropertyGValueCallback, const char*, void*); |
| DECL_FUNC_3(MonitorNetworkDeviceProperties, NetworkPropertiesMonitor, |
| MonitorPropertyGValueCallback, const char*, void*); |
| DECL_FUNC_1(DisconnectNetworkPropertiesMonitor, void, NetworkPropertiesMonitor); |
| DECL_FUNC_2(MonitorCellularDataPlan, DataPlanUpdateMonitor, |
| MonitorDataPlanCallback, void*); |
| DECL_FUNC_1(DisconnectDataPlanUpdateMonitor, void, DataPlanUpdateMonitor); |
| DECL_FUNC_3(MonitorSMS, SMSMonitor, const char*, MonitorSMSCallback, void*); |
| DECL_FUNC_1(DisconnectSMSMonitor, void, SMSMonitor); |
| DECL_FUNC_3(RequestNetworkServiceConnect, void, const char*, |
| NetworkActionCallback, void *); |
| DECL_FUNC_2(RequestNetworkManagerProperties, void, |
| NetworkPropertiesGValueCallback, void*); |
| DECL_FUNC_3(RequestNetworkServiceProperties, void, const char*, |
| NetworkPropertiesGValueCallback, void*); |
| DECL_FUNC_3(RequestNetworkDeviceProperties, void, const char*, |
| NetworkPropertiesGValueCallback, void*); |
| DECL_FUNC_3(RequestNetworkProfileProperties, void, const char*, |
| NetworkPropertiesGValueCallback, void*); |
| DECL_FUNC_4(RequestNetworkProfileEntryProperties, void, const char*, |
| const char*, NetworkPropertiesGValueCallback, void*); |
| DECL_FUNC_4(RequestHiddenWifiNetworkProperties, void, const char*, const char*, |
| NetworkPropertiesGValueCallback, void*); |
| DECL_FUNC_5(RequestVirtualNetworkProperties, void, const char*, const char*, |
| const char*, NetworkPropertiesGValueCallback, void*); |
| DECL_FUNC_1(RequestRemoveNetworkService, void, const char*); |
| DECL_FUNC_1(RequestNetworkServiceDisconnect, void, const char*); |
| DECL_FUNC_1(RequestNetworkScan, void, const char*); |
| DECL_FUNC_2(RequestNetworkDeviceEnable, void, const char*, bool); |
| DECL_FUNC_5(RequestRequirePin, void, const char*, const char*, bool, |
| NetworkActionCallback, void*); |
| DECL_FUNC_4(RequestEnterPin, void, const char*, const char*, |
| NetworkActionCallback, void*); |
| DECL_FUNC_5(RequestUnblockPin, void, const char*, const char*, const char*, |
| NetworkActionCallback, void*); |
| DECL_FUNC_5(RequestChangePin, void, const char*, const char*, const char*, |
| NetworkActionCallback, void*); |
| DECL_FUNC_1(ProposeScan, void, const char*); |
| DECL_FUNC_4(RequestCellularRegister, void, const char*, const char*, |
| NetworkActionCallback, void*); |
| DECL_FUNC_1(SetOfflineMode, bool, bool); |
| DECL_FUNC_1(ListIPConfigs, IPConfigStatus*, const char*); |
| DECL_FUNC_2(AddIPConfig, bool, const char*, IPConfigType); |
| DECL_FUNC_1(RemoveIPConfig, bool, IPConfig*); |
| DECL_FUNC_1(FreeIPConfigStatus, void, IPConfigStatus*); |
| DECL_FUNC_0(GetDeviceNetworkList, DeviceNetworkList*); |
| DECL_FUNC_1(FreeDeviceNetworkList, void, DeviceNetworkList*); |
| DECL_FUNC_4(ConfigureService, void, const char*, const GHashTable*, |
| NetworkActionCallback, void*); |
| |
| char const * const kCrosDefaultPath = "/opt/google/chrome/chromeos/libcros.so"; |
| |
| // Initializes the variable by looking up the function by |name|. |
| // This macro uses the variable 'handle' and 'error_string'. |
| #define INIT_FUNC(name) \ |
| name = WrapChromeOS##name; \ |
| if (!::dlsym(dll_handle, "ChromeOS"#name)) { \ |
| error_string += "Couldn't load: "#name","; \ |
| } |
| |
| bool LoadLibcros(const char* path_to_libcros, std::string& error_string) { |
| error_string.clear(); |
| |
| if (!path_to_libcros) { |
| error_string = "path_to_libcros can't be NULL"; |
| return false; |
| } |
| |
| dll_handle = ::dlopen(path_to_libcros, RTLD_NOW); |
| if (dll_handle == NULL) { |
| error_string = "Couldn't load libcros from: "; |
| error_string += path_to_libcros; |
| error_string += " error: "; |
| error_string += dlerror(); |
| return false; |
| } |
| |
| INIT_FUNC(CrosVersionCheck); |
| if (!CrosVersionCheck) { |
| // error_string will already be set. |
| return false; |
| } |
| |
| if (!CrosVersionCheck(chromeos::kCrosAPIVersion)) { |
| const int buf_size = sizeof(int)*8+1; |
| char buf[buf_size]; |
| typedef int (*VersionFuncType)(); |
| |
| // These weren't exported from older copies of the library. It's not an |
| // error so we don't use INIT_FUNC() |
| VersionFuncType GetMinCrosVersion = |
| VersionFuncType(::dlsym(dll_handle, "ChromeOSGetMinCrosVersion")); |
| VersionFuncType GetCrosVersion = |
| VersionFuncType(::dlsym(dll_handle, "ChromeOSGetCrosVersion")); |
| |
| error_string = "Incompatible libcros version. Client: "; |
| snprintf(buf, buf_size, "%d", chromeos::kCrosAPIVersion); |
| error_string += buf; |
| if (GetMinCrosVersion && GetCrosVersion) { |
| snprintf(buf, buf_size, "%d", GetMinCrosVersion()); |
| error_string += " Min: "; |
| error_string += buf; |
| snprintf(buf, buf_size, "%d", GetCrosVersion()); |
| error_string += " Max: "; |
| error_string += buf; |
| } |
| return false; |
| } |
| |
| // Networking |
| INIT_FUNC(ActivateCellularModem); |
| INIT_FUNC(SetNetworkServicePropertyGValue); |
| INIT_FUNC(ClearNetworkServiceProperty); |
| INIT_FUNC(SetNetworkDevicePropertyGValue); |
| INIT_FUNC(SetNetworkIPConfigPropertyGValue); |
| INIT_FUNC(DeleteServiceFromProfile); |
| INIT_FUNC(RequestCellularDataPlanUpdate); |
| INIT_FUNC(MonitorNetworkManagerProperties); |
| INIT_FUNC(MonitorNetworkServiceProperties); |
| INIT_FUNC(MonitorNetworkDeviceProperties); |
| INIT_FUNC(DisconnectNetworkPropertiesMonitor); |
| INIT_FUNC(MonitorCellularDataPlan); |
| INIT_FUNC(DisconnectDataPlanUpdateMonitor); |
| INIT_FUNC(MonitorSMS); |
| INIT_FUNC(DisconnectSMSMonitor); |
| INIT_FUNC(RequestNetworkServiceConnect); |
| INIT_FUNC(RequestNetworkManagerProperties); |
| INIT_FUNC(RequestNetworkServiceProperties); |
| INIT_FUNC(RequestNetworkDeviceProperties); |
| INIT_FUNC(RequestNetworkProfileProperties); |
| INIT_FUNC(RequestNetworkProfileEntryProperties); |
| INIT_FUNC(RequestHiddenWifiNetworkProperties); |
| INIT_FUNC(RequestVirtualNetworkProperties); |
| INIT_FUNC(RequestRemoveNetworkService); |
| INIT_FUNC(RequestNetworkServiceDisconnect); |
| INIT_FUNC(RequestNetworkScan); |
| INIT_FUNC(RequestNetworkDeviceEnable); |
| INIT_FUNC(RequestRequirePin); |
| INIT_FUNC(RequestEnterPin); |
| INIT_FUNC(RequestUnblockPin); |
| INIT_FUNC(RequestChangePin); |
| INIT_FUNC(ProposeScan); |
| INIT_FUNC(RequestCellularRegister); |
| INIT_FUNC(SetOfflineMode); |
| INIT_FUNC(ListIPConfigs); |
| INIT_FUNC(AddIPConfig); |
| INIT_FUNC(RemoveIPConfig); |
| INIT_FUNC(FreeIPConfigStatus); |
| INIT_FUNC(GetDeviceNetworkList); |
| INIT_FUNC(FreeDeviceNetworkList); |
| INIT_FUNC(ConfigureService); |
| |
| return error_string.empty(); |
| } |
| |
| void SetLibcrosTimeHistogramFunction(LibcrosTimeHistogramFunc func) { |
| addHistogram = func; |
| } |
| |
| } // namespace chromeos |
