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main.c
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main.c
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#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <signal.h>
#include <pthread.h>
#include <stdbool.h>
#include <jansson.h>
#include <stdatomic.h>
#include <cpuid.h>
#ifdef __linux__
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sched.h>
#else
#include <winsock2.h>
#undef __cpuid
#endif
#include <CL/cl.h>
#include "cryptonight.h"
#include "minerutils.h"
#include "minerlog.h"
#include "minernet.h"
#include "stratum.h"
#include "miner.h"
#include "ocl.h"
#define STRATUM_TIMEOUT_SECONDS 120
// I know, it's lazy.
#define STRATUM_MAX_MESSAGE_LEN_BYTES 4096
typedef struct _StatusInfo
{
uint64_t SolvedWork;
uint64_t RejectedWork;
double *ThreadHashCounts;
double *ThreadTimes;
} StatusInfo;
pthread_mutex_t StatusMutex = PTHREAD_MUTEX_INITIALIZER;
StatusInfo GlobalStatus;
static cryptonight_func *cryptonight_hash_ctx;
typedef struct _WorkerInfo
{
char *User;
char *Pass;
struct _WorkerInfo *NextWorker;
} WorkerInfo;
typedef struct _PoolInfo
{
SOCKET sockfd;
char *PoolName;
char *StrippedURL;
char *Port;
WorkerInfo WorkerData;
uint32_t MinerThreadCount;
uint32_t *MinerThreads;
atomic_uint StratumID;
char XMRAuthID[64];
} PoolInfo;
atomic_bool *RestartMining;
bool ExitFlag = false;
int ExitPipe[2];
JobInfo Jobs[2];
volatile JobInfo *CurrentJob;
volatile int JobIdx;
typedef struct _Share
{
struct _Share *next;
JobInfo *Job;
uint32_t Nonce;
int Gothash;
uint8_t Blob[32];
} Share;
typedef struct _ShareQueue
{
Share *first;
Share *last;
} ShareQueue;
Share *ShareList;
Share *GetShare()
{
Share *ret;
if (ShareList) {
ret = ShareList;
ShareList = ret->next;
} else {
ret = malloc(sizeof(Share));
}
return ret;
}
void SubmitShare(ShareQueue *queue, Share *NewShare)
{
NewShare->next = NULL;
if(!queue->first) queue->first = queue->last = NewShare;
else queue->last = queue->last->next = NewShare;
}
Share *RemoveShare(ShareQueue *queue)
{
Share *tmp = queue->first;
if(queue->first) queue->first = queue->first->next;
return(tmp);
}
void FreeShare(Share *share)
{
share->next = ShareList;
ShareList = share;
}
ShareQueue CurrentQueue;
pthread_mutex_t QueueMutex = PTHREAD_MUTEX_INITIALIZER;
pthread_cond_t QueueCond = PTHREAD_COND_INITIALIZER;
typedef struct _PoolBroadcastInfo
{
int poolsocket;
WorkerInfo WorkerData;
} PoolBroadcastInfo;
int sendit(int fd, char *buf, int len)
{
int rc;
do
{
rc = send(fd, buf, len, 0);
if (rc == -1)
return rc;
buf += rc;
len -= rc;
} while (len > 0);
return rc < 1 ? -1 : 0;
}
#define BIG_BUF_LEN 262144
void *DaemonUpdateThreadProc(void *Info)
{
uint64_t id = 10;
PoolInfo *pbinfo = (PoolInfo *)Info;
char s[BIG_BUF_LEN];
void *c_ctx = cryptonight_ctx();
pthread_mutex_lock(&QueueMutex);
for(;;)
{
pthread_cond_wait(&QueueCond, &QueueMutex);
for(Share *CurShare = RemoveShare(&CurrentQueue); CurShare; CurShare = RemoveShare(&CurrentQueue))
{
char ASCIINonce[9];
char *ptr;
int ret, len, hdrlen;
if (!CurShare->Job->blockblob)
{
sleep(1);
continue;
}
BinaryToASCIIHex(ASCIINonce, &CurShare->Nonce, 4U);
memcpy(CurShare->Job->blockblob+78, ASCIINonce, 8);
hdrlen = sprintf(s, "POST /json_rpc HTTP/1.0\r\nContent-Length: xxx\r\n\r\n");
ptr = s + hdrlen;
len = snprintf(ptr, BIG_BUF_LEN - hdrlen, "{\"method\": \"submitblock\", \"params\": "
"[\"%s\"]}", CurShare->Job->blockblob);
sprintf(ptr - 7, "%d", len);
ptr[-4] = '\r';
free(CurShare->Job->blockblob);
CurShare->Job->blockblob = NULL;
FreeShare(CurShare);
ret = sendit(pbinfo->sockfd, s, len + hdrlen);
if (ret == -1)
break;
pthread_mutex_lock(&StatusMutex);
GlobalStatus.SolvedWork++;
pthread_mutex_unlock(&StatusMutex);
Log(LOG_NETDEBUG, "Request: %s", s);
}
}
pthread_mutex_unlock(&QueueMutex);
// free(c_ctx);
return(NULL);
}
#define JSON_BUF_LEN 345
void *PoolBroadcastThreadProc(void *Info)
{
uint64_t id = 10;
PoolInfo *pbinfo = (PoolInfo *)Info;
char s[JSON_BUF_LEN];
void *c_ctx = cryptonight_ctx();
pthread_mutex_lock(&QueueMutex);
for(;;)
{
pthread_cond_wait(&QueueCond, &QueueMutex);
for(Share *CurShare = RemoveShare(&CurrentQueue); CurShare; CurShare = RemoveShare(&CurrentQueue))
{
char ASCIINonce[9], ASCIIResult[65];
uint8_t HashResult[32];
int ret, len;
BinaryToASCIIHex(ASCIINonce, &CurShare->Nonce, 4U);
if (!CurShare->Gothash) {
((uint32_t *)(CurShare->Job->XMRBlob + 39))[0] = CurShare->Nonce;
cryptonight_hash_ctx(HashResult, CurShare->Job->XMRBlob, c_ctx);
BinaryToASCIIHex(ASCIIResult, HashResult, 32);
} else {
BinaryToASCIIHex(ASCIIResult, CurShare->Blob, 32);
}
len = snprintf(s, JSON_BUF_LEN,
"{\"method\": \"submit\", \"params\": {\"id\": \"%s\", "
"\"job_id\": \"%s\", \"nonce\": \"%s\", \"result\": \"%s\"}, "
"\"id\":1}\r\n\n",
pbinfo->XMRAuthID, CurShare->Job->ID, ASCIINonce, ASCIIResult);
FreeShare(CurShare);
pthread_mutex_lock(&StatusMutex);
GlobalStatus.SolvedWork++;
pthread_mutex_unlock(&StatusMutex);
Log(LOG_NETDEBUG, "Request: %s", s);
ret = sendit(pbinfo->sockfd, s, len);
if (ret == -1)
break;
}
}
pthread_mutex_unlock(&QueueMutex);
// free(c_ctx);
return(NULL);
}
int32_t XMRSetKernelArgs(AlgoContext *HashData, void *HashInput, uint32_t Target)
{
cl_int retval;
cl_uint zero = 0;
size_t GlobalThreads = HashData->GlobalSize, LocalThreads = HashData->WorkSize;
if(!HashData || !HashInput) return(ERR_STUPID_PARAMS);
retval = clEnqueueWriteBuffer(*HashData->CommandQueues, HashData->InputBuffer, CL_TRUE, 0, 76, HashInput, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueWriteBuffer to fill input buffer.", retval);
return(ERR_OCL_API);
}
retval = clSetKernelArg(HashData->Kernels[0], 0, sizeof(cl_mem), &HashData->InputBuffer);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 0, 0);
return(ERR_OCL_API);
}
// Scratchpads
retval = clSetKernelArg(HashData->Kernels[0], 1, sizeof(cl_mem), HashData->ExtraBuffers + 0);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 0, 1);
return(ERR_OCL_API);
}
// States
retval = clSetKernelArg(HashData->Kernels[0], 2, sizeof(cl_mem), HashData->ExtraBuffers + 1);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 0, 2);
return(ERR_OCL_API);
}
// CN2 Kernel
// Scratchpads
retval = clSetKernelArg(HashData->Kernels[1], 0, sizeof(cl_mem), HashData->ExtraBuffers + 0);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 1, 0);
return(ERR_OCL_API);
}
// States
retval = clSetKernelArg(HashData->Kernels[1], 1, sizeof(cl_mem), HashData->ExtraBuffers + 1);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 1, 1);
return(ERR_OCL_API);
}
// CN3 Kernel
// Scratchpads
retval = clSetKernelArg(HashData->Kernels[2], 0, sizeof(cl_mem), HashData->ExtraBuffers + 0);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 2, 0);
return(ERR_OCL_API);
}
// States
retval = clSetKernelArg(HashData->Kernels[2], 1, sizeof(cl_mem), HashData->ExtraBuffers + 1);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 2, 1);
return(ERR_OCL_API);
}
// Branch 0
retval = clSetKernelArg(HashData->Kernels[2], 2, sizeof(cl_mem), HashData->ExtraBuffers + 2);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 2, 2);
return(ERR_OCL_API);
}
// Branch 1
retval = clSetKernelArg(HashData->Kernels[2], 3, sizeof(cl_mem), HashData->ExtraBuffers + 3);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 2, 3);
return(ERR_OCL_API);
}
// Branch 2
retval = clSetKernelArg(HashData->Kernels[2], 4, sizeof(cl_mem), HashData->ExtraBuffers + 4);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 2, 4);
return(ERR_OCL_API);
}
// Branch 3
retval = clSetKernelArg(HashData->Kernels[2], 5, sizeof(cl_mem), HashData->ExtraBuffers + 5);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, 2, 5);
return(ERR_OCL_API);
}
for(int i = 0; i < 4; ++i)
{
// States
retval = clSetKernelArg(HashData->Kernels[i + 3], 0, sizeof(cl_mem), HashData->ExtraBuffers + 1);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, i + 3, 0);
return(ERR_OCL_API);
}
// Nonce buffer
retval = clSetKernelArg(HashData->Kernels[i + 3], 1, sizeof(cl_mem), HashData->ExtraBuffers + (i + 2));
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, i + 3, 1);
return(ERR_OCL_API);
}
// Output
retval = clSetKernelArg(HashData->Kernels[i + 3], 2, sizeof(cl_mem), &HashData->OutputBuffer);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, i + 3, 2);
return(ERR_OCL_API);
}
// Target
retval = clSetKernelArg(HashData->Kernels[i + 3], 3, sizeof(cl_uint), &Target);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, i + 3, 3);
return(ERR_OCL_API);
}
}
return(ERR_SUCCESS);
}
int32_t RunXMRTest(AlgoContext *HashData, void *HashOutput)
{
cl_int retval;
cl_uint zero = 0;
size_t GlobalThreads = HashData->GlobalSize, LocalThreads = HashData->WorkSize;
size_t BranchNonces[4] = {0};
if(!HashData || !HashOutput) return(ERR_STUPID_PARAMS);
for(int i = 2; i < 6; ++i)
{
retval = clEnqueueWriteBuffer(*HashData->CommandQueues, HashData->ExtraBuffers[i], CL_FALSE, sizeof(cl_uint) * GlobalThreads, sizeof(cl_uint), &zero, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueWriteBuffer to zero branch buffer counter %d.", retval, i - 2);
return(ERR_OCL_API);
}
}
retval = clEnqueueWriteBuffer(*HashData->CommandQueues, HashData->OutputBuffer, CL_FALSE, sizeof(cl_uint) * 0xFF, sizeof(cl_uint), &zero, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueReadBuffer to fetch results.", retval);
return(ERR_OCL_API);
}
clFinish(*HashData->CommandQueues);
size_t Nonce[2] = {HashData->Nonce, 1}, gthreads[2] = { GlobalThreads, 8 }, lthreads[2] = { LocalThreads, 8 };
{
retval = clEnqueueNDRangeKernel(*HashData->CommandQueues, HashData->Kernels[0], 2, Nonce, gthreads, lthreads, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueNDRangeKernel for kernel %d.", retval, 0);
return(ERR_OCL_API);
}
}
/*for(int i = 1; i < 3; ++i)
{
retval = clEnqueueNDRangeKernel(*HashData->CommandQueues, HashData->Kernels[i], 1, &HashData->Nonce, &GlobalThreads, &LocalThreads, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueNDRangeKernel for kernel %d.", retval, i);
return(ERR_OCL_API);
}
}*/
retval = clEnqueueNDRangeKernel(*HashData->CommandQueues, HashData->Kernels[1], 1, &HashData->Nonce, &GlobalThreads, &LocalThreads, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueNDRangeKernel for kernel %d.", retval, 1);
return(ERR_OCL_API);
}
retval = clEnqueueNDRangeKernel(*HashData->CommandQueues, HashData->Kernels[2], 2, Nonce, gthreads, lthreads, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueNDRangeKernel for kernel %d.", retval, 2);
return(ERR_OCL_API);
}
retval = clEnqueueReadBuffer(*HashData->CommandQueues, HashData->ExtraBuffers[2], CL_FALSE, sizeof(cl_uint) * GlobalThreads, sizeof(cl_uint), BranchNonces, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueReadBuffer to fetch results.", retval);
return(ERR_OCL_API);
}
retval = clEnqueueReadBuffer(*HashData->CommandQueues, HashData->ExtraBuffers[3], CL_FALSE, sizeof(cl_uint) * GlobalThreads, sizeof(cl_uint), BranchNonces + 1, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueReadBuffer to fetch results.", retval);
return(ERR_OCL_API);
}
retval = clEnqueueReadBuffer(*HashData->CommandQueues, HashData->ExtraBuffers[4], CL_FALSE, sizeof(cl_uint) * GlobalThreads, sizeof(cl_uint), BranchNonces + 2, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueReadBuffer to fetch results.", retval);
return(ERR_OCL_API);
}
retval = clEnqueueReadBuffer(*HashData->CommandQueues, HashData->ExtraBuffers[5], CL_FALSE, sizeof(cl_uint) * GlobalThreads, sizeof(cl_uint), BranchNonces + 3, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueReadBuffer to fetch results.", retval);
return(ERR_OCL_API);
}
clFinish(*HashData->CommandQueues);
for(int i = 0; i < 4; ++i)
{
if(BranchNonces[i])
{
// Threads
retval = clSetKernelArg(HashData->Kernels[i + 3], 4, sizeof(cl_ulong), BranchNonces + i);
BranchNonces[i] += BranchNonces[i] + (LocalThreads - (BranchNonces[i] & (LocalThreads - 1)));
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clSetKernelArg for kernel %d, argument %d.", retval, i + 3, 4);
return(ERR_OCL_API);
}
retval = clEnqueueNDRangeKernel(*HashData->CommandQueues, HashData->Kernels[i + 3], 1, &HashData->Nonce, BranchNonces + i, &LocalThreads, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
//Log(LOG_CRITICAL, "Error %d when calling clEnqueueNDRangeKernel for kernel %d.", retval, i + 1);
Log(LOG_CRITICAL, "Error %d when calling clEnqueueNDRangeKernel for kernel %d.", retval, i + 3);
return(ERR_OCL_API);
}
}
}
retval = clEnqueueReadBuffer(*HashData->CommandQueues, HashData->OutputBuffer, CL_TRUE, 0, sizeof(cl_uint) * 0x100, HashOutput, 0, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clEnqueueReadBuffer to fetch results.", retval);
return(ERR_OCL_API);
}
clFinish(*HashData->CommandQueues);
HashData->Nonce += GlobalThreads;
return(ERR_SUCCESS);
}
int32_t XMRCleanup(AlgoContext *HashData)
{
//for(int i = 0; i < 5; ++i) clReleaseKernel(HashData->Kernels[i]);
for(int i = 0; i < 7; ++i) clReleaseKernel(HashData->Kernels[i]);
clReleaseProgram(HashData->Program);
clReleaseMemObject(HashData->InputBuffer);
for(int i = 0; i < 6; ++i) clReleaseMemObject(HashData->ExtraBuffers[i]);
clReleaseMemObject(HashData->OutputBuffer);
free(HashData->ExtraBuffers);
clReleaseCommandQueue(*HashData->CommandQueues);
free(HashData->CommandQueues);
free(HashData->GPUIdxs);
}
int32_t SetupXMRTest(AlgoContext *HashData, OCLPlatform *OCL, uint32_t DeviceIdx)
{
size_t len;
cl_int retval;
char *KernelSource, *BuildLog, *Options;
size_t GlobalThreads = OCL->Devices[DeviceIdx].rawIntensity, LocalThreads = OCL->Devices[DeviceIdx].WorkSize;
#ifdef CL_VERSION_2_0
const cl_queue_properties CommandQueueProperties[] = { 0, 0, 0 };
#else
const cl_command_queue_properties CommandQueueProperties = { 0 };
#endif
// Sanity checks
if(!HashData || !OCL) return(ERR_STUPID_PARAMS);
HashData->GlobalSize = GlobalThreads;
HashData->WorkSize = LocalThreads;
HashData->CommandQueues = (cl_command_queue *)malloc(sizeof(cl_command_queue));
#ifdef CL_VERSION_2_0
*HashData->CommandQueues = clCreateCommandQueueWithProperties(OCL->Context, OCL->Devices[DeviceIdx].DeviceID, CommandQueueProperties, &retval);
#else
*HashData->CommandQueues = clCreateCommandQueue(OCL->Context, OCL->Devices[DeviceIdx].DeviceID, CommandQueueProperties, &retval);
#endif
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateCommandQueueWithProperties.", retval);
return(ERR_OCL_API);
}
// One extra buffer for the scratchpads is required, one for the states, and one for
// each of the four possible branches at the end.
HashData->ExtraBuffers = (cl_mem *)malloc(sizeof(cl_mem) * 6);
HashData->InputBuffer = clCreateBuffer(OCL->Context, CL_MEM_READ_ONLY, 80, NULL, &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateBuffer to create input buffer.", retval);
return(ERR_OCL_API);
}
// Scratchpads
HashData->ExtraBuffers[0] = clCreateBuffer(OCL->Context, CL_MEM_READ_WRITE, (1 << 21) * GlobalThreads, NULL, &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateBuffer to create hash scratchpads buffer.", retval);
return(ERR_OCL_API);
}
// States
HashData->ExtraBuffers[1] = clCreateBuffer(OCL->Context, CL_MEM_READ_WRITE, 200 * GlobalThreads, NULL, &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateBuffer to create hash states buffer.", retval);
return(ERR_OCL_API);
}
// Blake-256 branches
HashData->ExtraBuffers[2] = clCreateBuffer(OCL->Context, CL_MEM_READ_WRITE, sizeof(cl_uint) * (GlobalThreads + 2), NULL, &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateBuffer to create Branch 0 buffer.", retval);
return(ERR_OCL_API);
}
// Groestl-256 branches
HashData->ExtraBuffers[3] = clCreateBuffer(OCL->Context, CL_MEM_READ_WRITE, sizeof(cl_uint) * (GlobalThreads + 2), NULL, &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateBuffer to create Branch 1 buffer.", retval);
return(ERR_OCL_API);
}
// JH-256 branches
HashData->ExtraBuffers[4] = clCreateBuffer(OCL->Context, CL_MEM_READ_WRITE, sizeof(cl_uint) * (GlobalThreads + 2), NULL, &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateBuffer to create Branch 2 buffer.", retval);
return(ERR_OCL_API);
}
// Skein-512 branches
HashData->ExtraBuffers[5] = clCreateBuffer(OCL->Context, CL_MEM_READ_WRITE, sizeof(cl_uint) * (GlobalThreads + 2), NULL, &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateBuffer to create Branch 3 buffer.", retval);
return(ERR_OCL_API);
}
// Assume we may find up to 0xFF nonces in one run - it's reasonable
HashData->OutputBuffer = clCreateBuffer(OCL->Context, CL_MEM_READ_WRITE, sizeof(cl_uint) * 0x100, NULL, &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateBuffer to create output buffer.", retval);
return(ERR_OCL_API);
}
len = LoadTextFile(&KernelSource, "cryptonight.cl");
HashData->Program = clCreateProgramWithSource(OCL->Context, 1, (const char **)&KernelSource, NULL, &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateProgramWithSource on the contents of %s.", retval, "cryptonight.cl");
return(ERR_OCL_API);
}
Options = (char *)malloc(sizeof(char) * 32);
snprintf(Options, 31, "-I. -DWORKSIZE=%d", LocalThreads);
retval = clBuildProgram(HashData->Program, 1, &OCL->Devices[DeviceIdx].DeviceID, Options, NULL, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clBuildProgram.", retval);
retval = clGetProgramBuildInfo(HashData->Program, OCL->Devices[DeviceIdx].DeviceID, CL_PROGRAM_BUILD_LOG, 0, NULL, &len);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clGetProgramBuildInfo for length of build log output.", retval);
return(ERR_OCL_API);
}
BuildLog = (char *)malloc(sizeof(char) * (len + 2));
retval = clGetProgramBuildInfo(HashData->Program, OCL->Devices[DeviceIdx].DeviceID, CL_PROGRAM_BUILD_LOG, len, BuildLog, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clGetProgramBuildInfo for build log.", retval);
return(ERR_OCL_API);
}
Log(LOG_CRITICAL, "Build Log:\n%s", BuildLog);
free(BuildLog);
return(ERR_OCL_API);
}
cl_build_status status;
do
{
retval = clGetProgramBuildInfo(HashData->Program, OCL->Devices[DeviceIdx].DeviceID, CL_PROGRAM_BUILD_STATUS, sizeof(cl_build_status), &status, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clGetProgramBuildInfo for status of build.", retval);
return(ERR_OCL_API);
}
sleep(1);
} while(status == CL_BUILD_IN_PROGRESS);
retval = clGetProgramBuildInfo(HashData->Program, OCL->Devices[DeviceIdx].DeviceID, CL_PROGRAM_BUILD_LOG, 0, NULL, &len);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clGetProgramBuildInfo for length of build log output.", retval);
return(ERR_OCL_API);
}
BuildLog = (char *)malloc(sizeof(char) * (len + 2));
retval = clGetProgramBuildInfo(HashData->Program, OCL->Devices[DeviceIdx].DeviceID, CL_PROGRAM_BUILD_LOG, len, BuildLog, NULL);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clGetProgramBuildInfo for build log.", retval);
return(ERR_OCL_API);
}
Log(LOG_DEBUG, "Build Log:\n%s", BuildLog);
free(BuildLog);
free(KernelSource);
HashData->Kernels = (cl_kernel *)malloc(sizeof(cl_kernel) * 7);
const char *KernelNames[] = { "cn0", "cn1", "cn2", "Blake", "Groestl", "JH", "Skein" };
for(int i = 0; i < 7; ++i)
{
HashData->Kernels[i] = clCreateKernel(HashData->Program, KernelNames[i], &retval);
if(retval != CL_SUCCESS)
{
Log(LOG_CRITICAL, "Error %d when calling clCreateKernel for kernel %s.", retval, KernelNames[i]);
return(ERR_OCL_API);
}
}
HashData->Nonce = 0;
// Hardcode one GPU per thread in this version
HashData->GPUIdxs = (size_t *)malloc(sizeof(size_t));
*HashData->GPUIdxs = DeviceIdx;
return(ERR_SUCCESS);
}
static void RestartMiners(PoolInfo *Pool)
{
ConnectToPool(Pool->StrippedURL, Pool->Port);
for(int i = 0; i < Pool->MinerThreadCount; ++i)
atomic_store(RestartMining + i, true);
}
static const char getblkc[] = "POST /json_rpc HTTP/1.0\r\nContent-Length: 27\r\n\r\n"
"{\"method\": \"getblockcount\"}";
#define WALLETLEN 95
static char getblkt[] = "POST /json_rpc HTTP/1.0\r\nContent-Length: 178\r\n\r\n"
"{\"method\": \"getblocktemplate\", \"params\": {\"reserve_size\": 8, \"wallet_address\": "
"\"9xaXMreKDK7bctpHtTE9zUUTgffkRvwZJ7UvyJGAQHkvBFqUYWwhVWWendW6NAdvtB8nn883WQxtU7cpe5eyJiUxLZ741t5\"}}";
void *DaemonThreadProc(void *InfoPtr)
{
PoolInfo *Pool = (PoolInfo *)InfoPtr;
JobInfo *NextJob;
char *l, *crlf;
int poolsocket, ret;
size_t PartialMessageOffset;
char rawresponse[BIG_BUF_LEN];
int len, delay = 32;
int rlen;
uint64_t height, prevheight = 0;
time_t job_time;
poolsocket = Pool->sockfd;
if (strlen(Pool->WorkerData.User) != WALLETLEN)
{
Log(LOG_ERROR, "Invalid username / wallet address\n");
return(NULL);
}
memcpy(getblkt+128, Pool->WorkerData.User, WALLETLEN);
ret = sendit(poolsocket, (char *)getblkt, sizeof(getblkt)-1);
if (ret == -1)
return(NULL);
NextJob = &Jobs[0];
PartialMessageOffset = 0;
l = NULL;
crlf = NULL;
rlen = 0;
// Listen for work until termination.
for(;;)
{
char *tmsg;
int mlen;
// receive
ret = recv(poolsocket, rawresponse + PartialMessageOffset, 256, 0);
if (ret <= 0)
{
fail:
closesocket(poolsocket);
RestartMiners(Pool);
retry:
poolsocket = Pool->sockfd = ConnectToPool(Pool->StrippedURL, Pool->Port);
if(poolsocket == INVALID_SOCKET)
{
Log(LOG_ERROR, "Unable to reconnect to daemon. Sleeping 10 seconds...\n");
sleep(10);
goto retry;
}
ret = sendit(poolsocket, (char *)getblkc, sizeof(getblkc)-1);
if (ret == -1)
return(NULL);
PartialMessageOffset = 0;
l = NULL;
crlf = NULL;
rlen = 0;
continue;
}
PartialMessageOffset += ret;
rawresponse[PartialMessageOffset] = 0x00;
if (!l)
{
l = strstr(rawresponse, "Content-Length: ");
if (!l)
continue;
}
if (!crlf)
{
crlf = strstr(l, "\r\n\r\n");
if (!crlf)
continue;
}
if (!rlen)
{
if (sscanf(l + sizeof("Content-Length:"), "%d", &rlen) != 1)
{
goto fail;
}
tmsg = crlf + 4;
tmsg[rlen] = 0;
}
mlen = PartialMessageOffset - (crlf - rawresponse) - 4;
mlen = rlen - mlen;
if (mlen)
{
ret = recv(poolsocket, rawresponse + PartialMessageOffset, mlen, 0);
if (ret <= 0)
goto fail;
PartialMessageOffset += ret;
if (ret < mlen)
continue;
}
// We now have a complete message
PartialMessageOffset = 0;
l = NULL;
crlf = NULL;
rlen = 0;
json_t *msg, *result, *err;
double TotalHashrate = 0;
Log(LOG_NETDEBUG, "Got something: %s", tmsg);
msg = json_loads(tmsg, 0, NULL);
if(!msg)
{
Log(LOG_CRITICAL, "Error parsing JSON from daemon.");
closesocket(poolsocket);
return(NULL);
}
result = json_object_get(msg, "result");
if (result)
{
json_t *jcount, *jheight;
if ((jcount = json_object_get(result, "count")))
{
height = json_integer_value(jcount);
// new height, get the block info
if (height != prevheight)
{
ret = sendit(poolsocket, getblkt, sizeof(getblkt)-1);
if (ret == -1)
return(NULL);
json_decref(msg);
continue;
}
// height is the same, wait and poll again
} else if ((jheight = json_object_get(result, "height")))
{
height = json_integer_value(jheight);
const char *tmpl = json_string_value(json_object_get(result, "blocktemplate_blob"));
const char *hasher = json_string_value(json_object_get(result, "blockhashing_blob"));
uint64_t diff = json_integer_value(json_object_get(result, "difficulty"));
ASCIIHexToBinary(NextJob->XMRBlob, hasher, strlen(hasher));
Log(LOG_NOTIFY, "New block at diff %lu", diff);
diff = 0xffffffffffffffffUL / diff;
NextJob->XMRTarget = diff >> 32;
NextJob->blockblob = strdup(tmpl);
CurrentJob = NextJob;
JobIdx++;
NextJob = &Jobs[JobIdx&1];
RestartMiners(Pool);
// reduce polling frequency right after
// a new block has been announced.
delay = 32;
prevheight = height;
time(&job_time);
job_time += 240;
}
if (jcount || jheight)
{
struct timeval timeout;
timeout.tv_sec = delay;
timeout.tv_usec = 0;
// reduce delay between polls
if (delay > 1)
delay >>= 1;
fd_set readfds;
FD_ZERO(&readfds);
FD_SET(poolsocket, &readfds);
ret = select(poolsocket + 1, &readfds, NULL, NULL, &timeout);
if(ret != 1 || !FD_ISSET(poolsocket, &readfds))
{
// reduce polling impact:
// getblockcount is nearly zero cost
// but get a new template if we've spent too long on this job
if (time(NULL) > job_time)
ret = sendit(Pool->sockfd, (char *)getblkt, sizeof(getblkt)-1);
else
ret = sendit(Pool->sockfd, (char *)getblkc, sizeof(getblkc)-1);
if (ret == -1)
return(NULL);