git-svn-id: svn://db.shs.com.ru/pip@778 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

src_main/system/pisysteminfo.cpp

@@ -18,12 +18,16 @@
 */
 #include "pisysteminfo.h"
 #include "piincludes_p.h"
+#include "pidir.h"
+#include "picrc.h"
 
 #ifdef ESP_PLATFORM
 #  include "esp_system.h"
 #  include "esp_spi_flash.h"
 #endif
 
+#define SALT_SIZE 8
+
 
 PISystemInfo::PISystemInfo() {
 	processorsCount = 1;
@@ -196,3 +200,66 @@ PIVector<PISystemInfo::MountInfo> PISystemInfo::mountInfo() {
 	cache = ret;
 	return ret;
 }
+
+PIString confDir() {
+	return
+#ifdef WINDOWS
+			PIDir::home().path() + "/AppData/Local"
+#elif ANDROID
+			"/mnt/sdcard"
+#else
+			PIDir::home().path() + "/.config"
+#endif
+			;
+}
+
+
+PIByteArray generateSalt() {
+	PIByteArray ret;
+	piForTimes (SALT_SIZE) {
+		piMSleep(randomi() % 10);
+		randomize();
+		ret << uchar(randomi() % 0x100);
+	}
+	return ret;
+}
+
+
+PIString PISystemInfo::machineKey() {
+	static PIString ret;
+	if (ret.isEmpty()) {
+		PISystemInfo * si = instance();
+		PIByteArray salt;
+		PIString conf = confDir() + "/.pip_machine_salt";
+		if (PIFile::isExists(conf)) {
+			PIFile f(conf, PIIODevice::ReadOnly);
+			f.open();
+			salt = f.readAll();
+		}
+		if (salt.size_s() != SALT_SIZE){
+			salt = generateSalt();
+			PIFile f(conf, PIIODevice::ReadWrite);
+			f.open();
+			f.clear();
+			f.write(salt);
+		}
+		ret = si->OS_name + "_" + si->architecture + "_" + si->hostname + "_" + salt.toHex();
+		/*PIEthernet::InterfaceList il = PIEthernet::interfaces();
+		const PIEthernet::Interface * lo = il.getByAddress("127.0.0.1");
+		if (lo)
+			ret += lo->mac;*/
+	}
+	return ret;
+}
+
+
+uint PISystemInfo::machineID() {
+	piCout << confDir();
+	static uint ret = 0;
+	if (ret == 0) {
+		CRC_32 crc = standardCRC_32();
+		ret = crc.calculate(machineKey().toByteArray());
+		piCout << "machineID \"" << machineKey() << "\" =" << PICoutManipulators::Hex << ret;
+	}
+	return ret;
+}