Unify sysinfo plugins and add osx support

This does remove the net* commands from the
Unix version that may return at a later date
with OSX and Windows support.

This commit also makes numerious other changes
such as code cleanup, reformatting, etc.

Closes #829

1 files changed, 493 insertions, 0 deletions

diff --git a/plugins/sysinfo/win32/backend.c b/plugins/sysinfo/win32/backend.c
new file mode 100644
index 00000000..26779961
--- /dev/null
+++ b/plugins/sysinfo/win32/backend.c
@@ -0,0 +1,493 @@
+/* HexChat
+ * Copyright (c) 2011-2012 Berke Viktor.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <windows.h>
+#include <wbemidl.h>
+
+#include <glib.h>
+
+#include "../format.h"
+
+/* Cache the info for subsequent invocations of /SYSINFO */
+static int cpu_arch = 0;
+static char *os_name = NULL;
+static char *cpu_info = NULL;
+static char *vga_name = NULL;
+
+static int command_callback (char *word[], char *word_eol[], void *user_data);
+
+typedef enum
+{
+	QUERY_WMI_OS,
+	QUERY_WMI_CPU,
+	QUERY_WMI_VGA,
+	QUERY_WMI_HDD,
+} QueryWmiType;
+
+void print_info (void);
+int get_cpu_arch (void);
+char *query_wmi (QueryWmiType mode);
+char *read_os_name (IWbemClassObject *object);
+char *read_cpu_info (IWbemClassObject *object);
+char *read_vga_name (IWbemClassObject *object);
+
+guint64 hdd_capacity;
+guint64 hdd_free_space;
+char *read_hdd_info (IWbemClassObject *object);
+
+char *get_memory_info (void);
+char *bstr_to_utf8 (BSTR bstr);
+guint64 variant_to_uint64 (VARIANT *variant);
+
+char *
+sysinfo_backend_get_sound (void)
+{
+	return NULL;
+}
+
+char *
+sysinfo_backend_get_network (void)
+{
+	return NULL;
+}
+
+char *
+sysinfo_backend_get_uptime (void)
+{
+	return sysinfo_format_uptime (GetTickCount64 () / 1000);
+}
+
+char *
+sysinfo_backend_get_disk (void)
+{
+	char *hdd_info;
+
+	/* HDD information is always loaded dynamically since it includes the current amount of free space */
+	hdd_capacity = 0;
+	hdd_free_space = 0;
+	hdd_info = query_wmi (QUERY_WMI_HDD);
+	if (hdd_info)
+		return sysinfo_format_disk (hdd_capacity, hdd_free_space);
+
+	return NULL;
+}
+
+char *
+sysinfo_backend_get_cpu (void)
+{
+	if (cpu_info == NULL)
+		cpu_info = query_wmi (QUERY_WMI_CPU);
+
+	return g_strdup (cpu_info);
+}
+
+char *
+sysinfo_backend_get_memory (void)
+{
+	/* Memory information is always loaded dynamically since it includes the current amount of free memory */
+	return get_memory_info ();
+}
+
+char *
+sysinfo_backend_get_gpu (void)
+{
+	if (vga_name == NULL)
+		vga_name = query_wmi (QUERY_WMI_VGA);
+
+	return g_strdup (vga_name);
+}
+
+char *
+sysinfo_backend_get_os (void)
+{
+	if (os_name == NULL)
+		os_name = query_wmi (QUERY_WMI_OS);
+
+	if (cpu_arch == 0)
+		cpu_arch = get_cpu_arch ();
+
+	return g_strdup_printf ("%s (x%d)", os_name, cpu_arch);
+}
+
+static int get_cpu_arch (void)
+{
+	SYSTEM_INFO si;
+
+	GetNativeSystemInfo (&si);
+
+	if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
+	{
+		return 64;
+	}
+	else
+	{
+		return 86;
+	}
+}
+
+/* http://msdn.microsoft.com/en-us/site/aa390423 */
+static char *query_wmi (QueryWmiType type)
+{
+	GString *result = NULL;
+	HRESULT hr;
+
+	IWbemLocator *locator = NULL;
+	BSTR namespaceName = NULL;
+	BSTR queryLanguageName = NULL;
+	BSTR query = NULL;
+	IWbemServices *namespace = NULL;
+	IUnknown *namespaceUnknown = NULL;
+	IEnumWbemClassObject *enumerator = NULL;
+	int i;
+	gboolean atleast_one_appended = FALSE;
+
+	hr = CoCreateInstance (&CLSID_WbemLocator, 0, CLSCTX_INPROC_SERVER, &IID_IWbemLocator, (LPVOID *) &locator);
+	if (FAILED (hr))
+	{
+		goto exit;
+	}
+
+	namespaceName = SysAllocString (L"root\\CIMV2");
+
+	hr = locator->lpVtbl->ConnectServer (locator, namespaceName, NULL, NULL, NULL, 0, NULL, NULL, &namespace);
+	if (FAILED (hr))
+	{
+		goto release_locator;
+	}
+
+	hr = namespace->lpVtbl->QueryInterface (namespace, &IID_IUnknown, &namespaceUnknown);
+	if (FAILED (hr))
+	{
+		goto release_namespace;
+	}
+
+	hr = CoSetProxyBlanket (namespaceUnknown, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE);
+	if (FAILED (hr))
+	{
+		goto release_namespaceUnknown;
+	}
+
+	queryLanguageName = SysAllocString (L"WQL");
+
+	switch (type)
+	{
+	case QUERY_WMI_OS:
+		query = SysAllocString (L"SELECT Caption FROM Win32_OperatingSystem");
+		break;
+	case QUERY_WMI_CPU:
+		query = SysAllocString (L"SELECT Name, MaxClockSpeed FROM Win32_Processor");
+		break;
+	case QUERY_WMI_VGA:
+		query = SysAllocString (L"SELECT Name FROM Win32_VideoController");
+		break;
+	case QUERY_WMI_HDD:
+		query = SysAllocString (L"SELECT Name, Capacity, FreeSpace FROM Win32_Volume");
+		break;
+	default:
+		goto release_queryLanguageName;
+	}
+
+	hr = namespace->lpVtbl->ExecQuery (namespace, queryLanguageName, query, WBEM_FLAG_FORWARD_ONLY, NULL, &enumerator);
+	if (FAILED (hr))
+	{
+		goto release_query;
+	}
+
+	result = g_string_new ("");
+
+	for (i = 0;; i++)
+	{
+		ULONG numReturned = 0;
+		IWbemClassObject *object;
+		char *line;
+
+		hr = enumerator->lpVtbl->Next (enumerator, WBEM_INFINITE, 1, &object, &numReturned);
+		if (FAILED (hr) || numReturned == 0)
+		{
+			break;
+		}
+
+		switch (type)
+		{
+			case QUERY_WMI_OS:
+				line = read_os_name (object);
+				break;
+
+			case QUERY_WMI_CPU:
+				line = read_cpu_info (object);
+				break;
+
+			case QUERY_WMI_VGA:
+				line = read_vga_name (object);
+				break;
+
+			case QUERY_WMI_HDD:
+				line = read_hdd_info (object);
+				break;
+
+			default:
+				break;
+		}
+
+		object->lpVtbl->Release (object);
+
+		if (line != NULL)
+		{
+			if (atleast_one_appended)
+			{
+				g_string_append (result, ", ");
+			}
+
+			g_string_append (result, line);
+
+			g_free (line);
+
+			atleast_one_appended = TRUE;
+		}
+	}
+
+	enumerator->lpVtbl->Release (enumerator);
+
+release_query:
+	SysFreeString (query);
+
+release_queryLanguageName:
+	SysFreeString (queryLanguageName);
+
+release_namespaceUnknown:
+	namespaceUnknown->lpVtbl->Release (namespaceUnknown);
+
+release_namespace:
+	namespace->lpVtbl->Release (namespace);
+
+release_locator:
+	locator->lpVtbl->Release (locator);
+	SysFreeString (namespaceName);
+
+exit:
+	if (result == NULL)
+	{
+		return NULL;
+	}
+
+	return g_string_free (result, FALSE);
+}
+
+static char *read_os_name (IWbemClassObject *object)
+{
+	HRESULT hr;
+	VARIANT caption_variant;
+	char *caption_utf8;
+
+	hr = object->lpVtbl->Get (object, L"Caption", 0, &caption_variant, NULL, NULL);
+	if (FAILED (hr))
+	{
+		return NULL;
+	}
+
+	caption_utf8 = bstr_to_utf8 (caption_variant.bstrVal);
+
+	VariantClear(&caption_variant);
+
+	if (caption_utf8 == NULL)
+	{
+		return NULL;
+	}
+
+	g_strchomp (caption_utf8);
+
+	return caption_utf8;
+}
+
+static char *read_cpu_info (IWbemClassObject *object)
+{
+	HRESULT hr;
+	VARIANT name_variant;
+	char *name_utf8;
+	VARIANT max_clock_speed_variant;
+	guint cpu_freq_mhz;
+	char *result;
+
+	hr = object->lpVtbl->Get (object, L"Name", 0, &name_variant, NULL, NULL);
+	if (FAILED (hr))
+	{
+		return NULL;
+	}
+
+	name_utf8 = bstr_to_utf8 (name_variant.bstrVal);
+
+	VariantClear (&name_variant);
+
+	if (name_utf8 == NULL)
+	{
+		return NULL;
+	}
+
+	hr = object->lpVtbl->Get (object, L"MaxClockSpeed", 0, &max_clock_speed_variant, NULL, NULL);
+	if (FAILED (hr))
+	{
+		g_free (name_utf8);
+
+		return NULL;
+	}
+
+	cpu_freq_mhz = max_clock_speed_variant.uintVal;
+
+	VariantClear (&max_clock_speed_variant);
+
+	if (cpu_freq_mhz > 1000)
+	{
+		result = g_strdup_printf ("%s (%.2fGHz)", name_utf8, cpu_freq_mhz / 1000.f);
+	}
+	else
+	{
+		result = g_strdup_printf ("%s (%" G_GUINT32_FORMAT "MHz)", name_utf8, cpu_freq_mhz);
+	}
+
+	g_free (name_utf8);
+
+	return result;
+}
+
+static char *read_vga_name (IWbemClassObject *object)
+{
+	HRESULT hr;
+	VARIANT name_variant;
+	char *name_utf8;
+
+	hr = object->lpVtbl->Get (object, L"Name", 0, &name_variant, NULL, NULL);
+	if (FAILED (hr))
+	{
+		return NULL;
+	}
+
+	name_utf8 = bstr_to_utf8 (name_variant.bstrVal);
+
+	VariantClear (&name_variant);
+
+	if (name_utf8 == NULL)
+	{
+		return NULL;
+	}
+
+	return name_utf8;
+}
+
+static char *read_hdd_info (IWbemClassObject *object)
+{
+	HRESULT hr;
+	VARIANT name_variant;
+	BSTR name_bstr;
+	gsize name_len;
+	VARIANT capacity_variant;
+	guint64 capacity;
+	VARIANT free_space_variant;
+	guint64 free_space;
+
+	hr = object->lpVtbl->Get (object, L"Name", 0, &name_variant, NULL, NULL);
+	if (FAILED (hr))
+	{
+		return NULL;
+	}
+
+	name_bstr = name_variant.bstrVal;
+	name_len = SysStringLen (name_variant.bstrVal);
+
+	if (name_len >= 4 && name_bstr[0] == L'\\' && name_bstr[1] == L'\\' && name_bstr[2] == L'?' && name_bstr[3] == L'\\')
+	{
+		// This is not a named volume. Skip it.
+		VariantClear (&name_variant);
+
+		return NULL;
+	}
+
+	VariantClear (&name_variant);
+
+	hr = object->lpVtbl->Get (object, L"Capacity", 0, &capacity_variant, NULL, NULL);
+	if (FAILED (hr))
+	{
+		return NULL;
+	}
+
+	capacity = variant_to_uint64 (&capacity_variant);
+
+	VariantClear (&capacity_variant);
+
+	if (capacity == 0)
+	{
+		return NULL;
+	}
+
+	hr = object->lpVtbl->Get (object, L"FreeSpace", 0, &free_space_variant, NULL, NULL);
+	if (FAILED (hr))
+	{
+		return NULL;
+	}
+
+	free_space = variant_to_uint64 (&free_space_variant);
+
+	VariantClear (&free_space_variant);
+
+	if (free_space == 0)
+	{
+		return NULL;
+	}
+
+	hdd_capacity += capacity;
+	hdd_free_space += free_space;
+
+	return NULL;
+}
+
+static char *get_memory_info (void)
+{
+	MEMORYSTATUSEX meminfo = { 0 };
+	meminfo.dwLength = sizeof (meminfo);
+
+	if (!GlobalMemoryStatusEx (&meminfo))
+	{
+		return NULL;
+	}
+
+	return sysinfo_format_memory (meminfo.ullTotalPhys, meminfo.ullAvailPhys);
+}
+
+static char *bstr_to_utf8 (BSTR bstr)
+{
+	return g_utf16_to_utf8 (bstr, SysStringLen (bstr), NULL, NULL, NULL);
+}
+
+static guint64 variant_to_uint64 (VARIANT *variant)
+{
+	switch (V_VT (variant))
+	{
+	case VT_UI8:
+		return variant->ullVal;
+
+	case VT_BSTR:
+		return wcstoull (variant->bstrVal, NULL, 10);
+
+	default:
+		return 0;
+	}
+}