group files

- move source code to `src`
- categorize files and move to group folder
- change upper case class files to lower case
- change C++ header to `*.hpp`

1 files changed, 257 insertions, 0 deletions

diff --git a/xmrstak/backend/cpu/jconf.cpp b/xmrstak/backend/cpu/jconf.cpp
new file mode 100644
index 0000000..021d607
--- /dev/null
+++ b/xmrstak/backend/cpu/jconf.cpp
@@ -0,0 +1,257 @@
+/*
+  * This program is free software: you can redistribute it and/or modify
+  * it under the terms of the GNU General Public License as published by
+  * the Free Software Foundation, either version 3 of the License, or
+  * any later version.
+  *
+  * This program is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+  * GNU General Public License for more details.
+  *
+  * You should have received a copy of the GNU General Public License
+  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  *
+  * Additional permission under GNU GPL version 3 section 7
+  *
+  * If you modify this Program, or any covered work, by linking or combining
+  * it with OpenSSL (or a modified version of that library), containing parts
+  * covered by the terms of OpenSSL License and SSLeay License, the licensors
+  * of this Program grant you additional permission to convey the resulting work.
+  *
+  */
+
+#include "jconf.h"
+#include "../../console.h"
+#include <iostream>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#ifdef _WIN32
+#define strcasecmp _stricmp
+#include <intrin.h>
+#else
+#include <cpuid.h>
+#endif
+
+#include "../../rapidjson/document.h"
+#include "../../rapidjson/error/en.h"
+#include "../../jext.h"
+
+namespace xmrstak
+{
+namespace cpu
+{
+
+using namespace rapidjson;
+
+/*
+ * This enum needs to match index in oConfigValues, otherwise we will get a runtime error
+ */
+enum configEnum { aCpuThreadsConf, sUseSlowMem };
+
+struct configVal {
+	configEnum iName;
+	const char* sName;
+	Type iType;
+};
+
+// Same order as in configEnum, as per comment above
+// kNullType means any type
+configVal oConfigValues[] = {
+	{ aCpuThreadsConf, "cpu_threads_conf", kNullType }
+};
+
+constexpr size_t iConfigCnt = (sizeof(oConfigValues)/sizeof(oConfigValues[0]));
+
+inline bool checkType(Type have, Type want)
+{
+	if(want == have)
+		return true;
+	else if(want == kNullType)
+		return true;
+	else if(want == kTrueType && have == kFalseType)
+		return true;
+	else if(want == kFalseType && have == kTrueType)
+		return true;
+	else
+		return false;
+}
+
+struct jconf::opaque_private
+{
+	Document jsonDoc;
+	const Value* configValues[iConfigCnt]; //Compile time constant
+
+	opaque_private()
+	{
+	}
+};
+
+jconf* jconf::oInst = nullptr;
+
+jconf::jconf()
+{
+	prv = new opaque_private();
+}
+
+bool jconf::GetThreadConfig(size_t id, thd_cfg &cfg)
+{
+	if(!prv->configValues[aCpuThreadsConf]->IsArray())
+		return false;
+
+	if(id >= prv->configValues[aCpuThreadsConf]->Size())
+		return false;
+
+	const Value& oThdConf = prv->configValues[aCpuThreadsConf]->GetArray()[id];
+
+	if(!oThdConf.IsObject())
+		return false;
+
+	const Value *mode, *no_prefetch, *aff;
+	mode = GetObjectMember(oThdConf, "low_power_mode");
+	no_prefetch = GetObjectMember(oThdConf, "no_prefetch");
+	aff = GetObjectMember(oThdConf, "affine_to_cpu");
+
+	if(mode == nullptr || no_prefetch == nullptr || aff == nullptr)
+		return false;
+
+	if(!mode->IsBool() || !no_prefetch->IsBool())
+		return false;
+
+	if(!aff->IsNumber() && !aff->IsBool())
+		return false;
+
+	if(aff->IsNumber() && aff->GetInt64() < 0)
+		return false;
+
+	cfg.bDoubleMode = mode->GetBool();
+	cfg.bNoPrefetch = no_prefetch->GetBool();
+
+	if(aff->IsNumber())
+		cfg.iCpuAff = aff->GetInt64();
+	else
+		cfg.iCpuAff = -1;
+
+	return true;
+}
+
+
+size_t jconf::GetThreadCount()
+{
+	if(prv->configValues[aCpuThreadsConf]->IsArray())
+		return prv->configValues[aCpuThreadsConf]->Size();
+	else
+		return 0;
+}
+
+bool jconf::parse_config(const char* sFilename)
+{
+	FILE * pFile;
+	char * buffer;
+	size_t flen;
+
+	pFile = fopen(sFilename, "rb");
+	if (pFile == NULL)
+	{
+		printer::inst()->print_msg(L0, "Failed to open config file %s.", sFilename);
+		return false;
+	}
+
+	fseek(pFile,0,SEEK_END);
+	flen = ftell(pFile);
+	rewind(pFile);
+
+	if(flen >= 64*1024)
+	{
+		fclose(pFile);
+		printer::inst()->print_msg(L0, "Oversized config file - %s.", sFilename);
+		return false;
+	}
+
+	if(flen <= 16)
+	{
+		fclose(pFile);
+		printer::inst()->print_msg(L0, "File is empty or too short - %s.", sFilename);
+		return false;
+	}
+
+	buffer = (char*)malloc(flen + 3);
+	if(fread(buffer+1, flen, 1, pFile) != 1)
+	{
+		free(buffer);
+		fclose(pFile);
+		printer::inst()->print_msg(L0, "Read error while reading %s.", sFilename);
+		return false;
+	}
+	fclose(pFile);
+
+	//Replace Unicode BOM with spaces - we always use UTF-8
+	unsigned char* ubuffer = (unsigned char*)buffer;
+	if(ubuffer[1] == 0xEF && ubuffer[2] == 0xBB && ubuffer[3] == 0xBF)
+	{
+		buffer[1] = ' ';
+		buffer[2] = ' ';
+		buffer[3] = ' ';
+	}
+
+	buffer[0] = '{';
+	buffer[flen] = '}';
+	buffer[flen + 1] = '\0';
+
+	prv->jsonDoc.Parse<kParseCommentsFlag|kParseTrailingCommasFlag>(buffer, flen+2);
+	free(buffer);
+
+	if(prv->jsonDoc.HasParseError())
+	{
+		printer::inst()->print_msg(L0, "JSON config parse error(offset %llu): %s",
+			int_port(prv->jsonDoc.GetErrorOffset()), GetParseError_En(prv->jsonDoc.GetParseError()));
+		return false;
+	}
+
+	if(!prv->jsonDoc.IsObject())
+	{ //This should never happen as we created the root ourselves
+		printer::inst()->print_msg(L0, "Invalid config file. No root?\n");
+		return false;
+	}
+
+	for(size_t i = 0; i < iConfigCnt; i++)
+	{
+		if(oConfigValues[i].iName != i)
+		{
+			printer::inst()->print_msg(L0, "Code error. oConfigValues are not in order.");
+			return false;
+		}
+
+		prv->configValues[i] = GetObjectMember(prv->jsonDoc, oConfigValues[i].sName);
+
+		if(prv->configValues[i] == nullptr)
+		{
+			printer::inst()->print_msg(L0, "Invalid config file. Missing value \"%s\".", oConfigValues[i].sName);
+			return false;
+		}
+
+		if(!checkType(prv->configValues[i]->GetType(), oConfigValues[i].iType))
+		{
+			printer::inst()->print_msg(L0, "Invalid config file. Value \"%s\" has unexpected type.", oConfigValues[i].sName);
+			return false;
+		}
+	}
+
+	thd_cfg c;
+	for(size_t i=0; i < GetThreadCount(); i++)
+	{
+		if(!GetThreadConfig(i, c))
+		{
+			printer::inst()->print_msg(L0, "Thread %llu has invalid config.", int_port(i));
+			return false;
+		}
+	}
+
+	return true;
+}
+
+} // namespace cpu
+} // namepsace xmrstak