std::shared_ptr<resultset_impl> session::query(const string &sql)
{
sqlite3_stmt *stmt;
if (db_ == nullptr) {
throw database_exception("session::execute database not open");
}
if (sqlite3_prepare_v2(db_.get(), sql.c_str(), -1, &stmt, nullptr) != SQLITE_OK) {
throw database_exception(last_error());
}
if (cache_level() == cache::ResultSet) {
return make_shared<cached_resultset>(shared_from_this(), shared_ptr<sqlite3_stmt>(stmt, helper::stmt_delete()));
} else {
return make_shared<resultset>(shared_from_this(), shared_ptr<sqlite3_stmt>(stmt, helper::stmt_delete()));
}
}
static int stream_cache_read (stream_wrapper_t * wrapper,uint8_t *buf,int len)
{
cache_ctx_t *ctx = (cache_ctx_t *)wrapper->stream_priv;
stream_ctrl_t *info = &wrapper->info;
stream_cache_t *cache = ctx->cache;
int level = cache_level(cache);
if(level == 0)
return 0;
int r = cache_read(cache,buf,len);
dt_debug(TAG,"read %d byte \n",r);
if(r>0)
info->cur_pos += r;
if(r<=0 && ctx->cache_flag == ST_FLAG_EOF)
{
if(ctx->cache_flag == ST_FLAG_EOF)
info->eof_flag = 1;
else
r=0;
}
return r;
}
/**
* initializes cpuinfo-struct
* @param print detection-summary is written to stdout when !=0
*/
void init_cpuinfo(cpu_info_t *cpuinfo,int print)
{
unsigned int i;
char output[_HW_DETECT_MAX_OUTPUT];
/* initialize data structure */
memset(cpuinfo,0,sizeof(cpu_info_t));
strcpy(cpuinfo->architecture,"unknown\0");
strcpy(cpuinfo->vendor,"unknown\0");
strcpy(cpuinfo->model_str,"unknown\0");
cpuinfo->num_cpus = num_cpus();
get_architecture(cpuinfo->architecture, sizeof(cpuinfo->architecture));
get_cpu_vendor(cpuinfo->vendor, sizeof(cpuinfo->vendor));
get_cpu_name(cpuinfo->model_str, sizeof(cpuinfo->model_str));
cpuinfo->family = get_cpu_family();
cpuinfo->model = get_cpu_model();
cpuinfo->stepping = get_cpu_stepping();
cpuinfo->num_cores_per_package = num_cores_per_package();
cpuinfo->num_threads_per_core = num_threads_per_core();
cpuinfo->num_packages = num_packages();
cpuinfo->clockrate = get_cpu_clockrate(1, 0);
/* setup supported feature list*/
if(!strcmp(cpuinfo->architecture,"x86_64")) cpuinfo->features |= X86_64;
if (feature_available("SMT")) cpuinfo->features |= SMT;
if (feature_available("FPU")) cpuinfo->features |= FPU;
if (feature_available("MMX")) cpuinfo->features |= MMX;
if (feature_available("MMX_EXT")) cpuinfo->features |= MMX_EXT;
if (feature_available("SSE")) cpuinfo->features |= SSE;
if (feature_available("SSE2")) cpuinfo->features |= SSE2;
if (feature_available("SSE3")) cpuinfo->features |= SSE3;
if (feature_available("SSSE3")) cpuinfo->features |= SSSE3;
if (feature_available("SSE4.1")) cpuinfo->features |= SSE4_1;
if (feature_available("SSE4.2")) cpuinfo->features |= SSE4_2;
if (feature_available("SSE4A")) cpuinfo->features |= SSE4A;
if (feature_available("ABM")) cpuinfo->features |= ABM;
if (feature_available("POPCNT")) cpuinfo->features |= POPCNT;
if (feature_available("AVX")) cpuinfo->features |= AVX;
if (feature_available("AVX2")) cpuinfo->features |= AVX2;
if (feature_available("FMA")) cpuinfo->features |= FMA;
if (feature_available("FMA4")) cpuinfo->features |= FMA4;
if (feature_available("AES")) cpuinfo->features |= AES;
if (feature_available("AVX512")) cpuinfo->features |= AVX512;
/* determine cache details */
for (i=0; i<(unsigned int)num_caches(0); i++)
{
cpuinfo->Cache_shared[cache_level(0,i)-1]=cache_shared(0,i);
cpuinfo->Cacheline_size[cache_level(0,i)-1]=cacheline_length(0,i);
if (cpuinfo->Cachelevels < (unsigned int)cache_level(0,i)) { cpuinfo->Cachelevels = cache_level(0,i); }
switch (cache_type(0,i))
{
case UNIFIED_CACHE: {
cpuinfo->Cache_unified[cache_level(0,i)-1]=1;
cpuinfo->U_Cache_Size[cache_level(0,i)-1]=cache_size(0,i);
cpuinfo->U_Cache_Sets[cache_level(0,i)-1]=cache_assoc(0,i);
break;
}
case DATA_CACHE: {
cpuinfo->Cache_unified[cache_level(0,i)-1]=0;
cpuinfo->D_Cache_Size[cache_level(0,i)-1]=cache_size(0,i);
cpuinfo->D_Cache_Sets[cache_level(0,i)-1]=cache_assoc(0,i);
break;
}
case INSTRUCTION_CACHE: {
cpuinfo->Cache_unified[cache_level(0,i)-1]=0;
cpuinfo->I_Cache_Size[cache_level(0,i)-1]=cache_size(0,i);
cpuinfo->I_Cache_Sets[cache_level(0,i)-1]=cache_assoc(0,i);
break;
}
default:
break;
}
}
/* print a summary */
if (print)
{
fflush(stdout);
printf("\n system summary:\n");
if(cpuinfo->num_packages) printf(" number of processors: %i\n",cpuinfo->num_packages);
if(cpuinfo->num_cores_per_package) printf(" number of cores per package: %i\n",cpuinfo->num_cores_per_package);
if(cpuinfo->num_threads_per_core) printf(" number of threads per core: %i\n",cpuinfo->num_threads_per_core);
if(cpuinfo->num_cpus) printf(" total number of threads: %i\n",cpuinfo->num_cpus);
printf("\n processor characteristics:\n");
printf(" architecture: %s\n",cpuinfo->architecture);
printf(" vendor: %s\n",cpuinfo->vendor);
printf(" processor-name: %s\n",cpuinfo->model_str);
printf(" model: Family %i, Model %i, Stepping %i\n",cpuinfo->family,cpuinfo->model,cpuinfo->stepping);
printf(" frequency: %llu MHz\n",cpuinfo->clockrate/1000000);
fflush(stdout);
printf(" supported features:\n -");
if(cpuinfo->features&X86_64) printf(" X86_64");
if(cpuinfo->features&FPU) printf(" FPU");
if(cpuinfo->features&MMX) printf(" MMX");
if(cpuinfo->features&MMX_EXT) printf(" MMX_EXT");
if(cpuinfo->features&SSE) printf(" SSE");
if(cpuinfo->features&SSE2) printf(" SSE2");
if(cpuinfo->features&SSE3) printf(" SSE3");
if(cpuinfo->features&SSSE3) printf(" SSSE3");
if(cpuinfo->features&SSE4_1) printf(" SSE4.1");
if(cpuinfo->features&SSE4_2) printf(" SSE4.2");
if(cpuinfo->features&SSE4A) printf(" SSE4A");
if(cpuinfo->features&POPCNT) printf(" POPCNT");
if(cpuinfo->features&AVX) printf(" AVX");
if(cpuinfo->features&AVX2) printf(" AVX2");
if(cpuinfo->features&AVX512) printf(" AVX512");
if(cpuinfo->features&FMA) printf(" FMA");
if(cpuinfo->features&FMA4) printf(" FMA4");
if(cpuinfo->features&AES) printf(" AES");
if(cpuinfo->features&SMT) printf(" SMT");
printf(" \n");
if(cpuinfo->Cachelevels)
{
printf(" Caches:\n");
for(i = 0; i < (unsigned int)num_caches(0); i++)
{
snprintf(output,sizeof(output),"n/a");
if (cache_info(0, i, output, sizeof(output)) != -1) printf(" - %s\n",output);
}
}
}
fflush(stdout);
}