void* cb_http_args(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
http_args_t* args = (http_args_t*)enif_alloc(sizeof(http_args_t));
unsigned int len;
if (!enif_get_list_length(env, argv[0], &len)) goto error0;
len += 1;
args->path = (char *)enif_alloc(len * sizeof(char));
if (!enif_get_string(env, argv[0], args->path, len, ERL_NIF_LATIN1)) goto error1;
if (!enif_get_list_length(env, argv[1], &len)) goto error1;
len += 1;
args->body = (char *)enif_alloc(len * sizeof(char));
if (!enif_get_string(env, argv[1], args->body, len, ERL_NIF_LATIN1)) goto error2;
if (!enif_get_list_length(env, argv[2], &len)) goto error2;
len += 1;
args->content_type = (char *)enif_alloc(len * sizeof(char));
if (!enif_get_string(env, argv[2], args->content_type, len, ERL_NIF_LATIN1)) goto error3;
if (!enif_get_int(env, argv[3], (int*)&args->method)) goto error3;
if (!enif_get_int(env, argv[4], (int*)&args->type)) goto error3;
return (void*)args;
error3:
enif_free(args->content_type);
error2:
enif_free(args->path);
error1:
enif_free(args->body);
error0:
return NULL;
}
static int x509_parse_subject(ErlNifEnv* env, ERL_NIF_TERM subject_tuple, int *num_subject_entries, x509_subject_entry **subject_entries){
int num_subject_tuple;
unsigned num_subject_terms;
ERL_NIF_TERM head, tail;
int pair_arity;
char *name;
char *value;
char *subject_string = NULL;
const ERL_NIF_TERM* pair;
int idx;
x509_subject_entry* se;
unsigned value_len;
const ERL_NIF_TERM* subject_terms;
*subject_entries = NULL;
*num_subject_entries = 0;
/* make sure this is a tuple with first term 'subject' */
if(!enif_get_tuple(env, subject_tuple, &num_subject_tuple, &subject_terms) ||
!atom_to_string(env, subject_terms[0], &subject_string) ||
strncmp(subject_string, SUBJECT_STR, subject_strlen)) {
if(subject_string) free(subject_string);
return 0;
}
free(subject_string);
/* create room for the x509_subject_entry structs */
if(!enif_get_list_length(env, subject_terms[1], &num_subject_terms) ||
(NULL == (se = (x509_subject_entry*)malloc(num_subject_terms * sizeof(x509_subject_entry))))) return 0;
/* get the first entry and prime the pump for walking the rest */
if(!enif_get_list_cell(env, subject_terms[1], &head, &tail) ||
!enif_get_tuple(env, head, &pair_arity, &pair) ||
pair_arity!=2) { return 0; }
for(idx=0; idx<num_subject_terms; idx++){
atom_to_string(env, pair[0], &name);
enif_get_list_length(env, pair[1], &value_len);
value = (char*)malloc(value_len+1);
enif_get_string(env, pair[1], value, value_len+1, ERL_NIF_LATIN1);
(se+idx)->name = name;
(se+idx)->value = value;
if(!enif_get_list_cell(env, tail, &head, &tail) ||
!enif_get_tuple(env, head, &pair_arity, &pair) ||
pair_arity!=2) { break; }
}
*num_subject_entries = num_subject_terms;
*subject_entries = se;
return 1;
}
static ERL_NIF_TERM
list_to_cstr(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
int err, written, tmp;
unsigned int l;
char* cstr;
err = enif_get_list_length(env, argv[0], &l);
if (!err) {
goto error;
}
l+=1; // Null Termination
cstr = enif_alloc(sizeof(char)*l);
if (!cstr) {
goto error;
}
written = 0;
while (written<(l)) {
tmp = enif_get_string(env, argv[0], cstr+written, l-written, ERL_NIF_LATIN1);
if (tmp<=0) {
enif_free(cstr);
goto error;
}
written += tmp;
}
return enif_make_tuple2(env,
enif_make_int64(env, (ptr_t)cstr),
enif_make_string(env, "nifty.char *", ERL_NIF_LATIN1));
error:
return enif_make_badarg(env);
}
int init_parser(Parser* parser, ErlNifEnv* env, ERL_NIF_TERM arg, ErlNifBinary* buffer, ERL_NIF_TERM columns) {
parser->env = env;
parser->atoms = enif_priv_data(env);
parser->raw = arg;
parser->buffer = buffer->data;
if(!enif_get_list_length(env, columns, &parser->table_width)) return 0;
ERL_NIF_TERM list, head, tail;
int val, index = 0;
parser->columns = (int *) enif_alloc(parser->table_width * sizeof(int));
list = columns;
while(enif_get_list_cell(env, list, &head, &tail)) {
if (!enif_get_int(env, head, &val)) return 0;
parser->columns[index] = val;
index++;
list = tail;
}
parser->frame_start = 0;
parser->frame_size = 0;
parser->buffer_size = buffer->size;
return 1;
}
static ERL_NIF_TERM
do_bind(ErlNifEnv *env, sqlite3 *db, sqlite3_stmt *stmt, const ERL_NIF_TERM arg)
{
int parameter_count = sqlite3_bind_parameter_count(stmt);
int i, is_list, r;
ERL_NIF_TERM list, head, tail;
unsigned int list_length;
is_list = enif_get_list_length(env, arg, &list_length);
if(!is_list)
return make_error_tuple(env, "bad_arg_list");
if(parameter_count != list_length)
return make_error_tuple(env, "args_wrong_length");
sqlite3_reset(stmt);
list = arg;
for(i=0; i < list_length; i++) {
enif_get_list_cell(env, list, &head, &tail);
r = bind_cell(env, head, stmt, i+1);
if(r == -1)
return make_error_tuple(env, "wrong_type");
if(r != SQLITE_OK)
return make_sqlite3_error_tuple(env, r, db);
list = tail;
}
return make_atom(env, "ok");
}
GEOSGeometry*
eterm_to_geom_polygon(ErlNifEnv *env, const ERL_NIF_TERM *eterm)
{
ERL_NIF_TERM outer_eterm, inner_eterm, tail;
unsigned int rings_num, i;
GEOSCoordSequence *outer_seq, *inner_seq;
GEOSGeometry *outer_geom, *geom;
GEOSGeometry **geoms;
enif_get_list_length(env, *eterm, &rings_num);
enif_get_list_cell(env, *eterm, &outer_eterm, &inner_eterm);
outer_seq = eterm_to_geom_linestring_coords(env, &outer_eterm);
outer_geom = GEOSGeom_createLinearRing(outer_seq);
// if there are holes
geoms = malloc(sizeof(GEOSGeometry*)*rings_num-1);
for (i=0; enif_get_list_cell(env, inner_eterm, &inner_eterm, &tail); i++) {
inner_seq = eterm_to_geom_linestring_coords(env, &inner_eterm);
geoms[i] = GEOSGeom_createLinearRing(inner_seq);
inner_eterm = tail;
}
geom = GEOSGeom_createPolygon(outer_geom, geoms, rings_num-1);
free(geoms);
return geom;
}
inline static ERL_NIF_TERM do_offset(ErlNifEnv* env,
UCalendar* cal,
date_fun_ptr fun,
const ERL_NIF_TERM in)
{
UCalendarDateFields field;
UErrorCode status = U_ZERO_ERROR;
ERL_NIF_TERM head, tail;
ERL_NIF_TERM* tuple;
unsigned int count, i;
int32_t len, offset;
char value[ATOM_LEN];
int parsed_value;
i = 0;
if (!enif_get_list_length(env, in, &count))
return enif_make_badarg(env);
tail = in;
while (enif_get_list_cell(env, tail, &head, &tail)) {
if (enif_get_tuple(env, head, &len, (const ERL_NIF_TERM**) &tuple)
&& (len == 2)) {
/* Set an attribute start */
if (!(enif_get_atom(env, tuple[0], (char*) value,
ATOM_LEN, ERL_NIF_LATIN1)
&& enif_get_int(env, tuple[1], &offset)))
goto bad_elem;
parsed_value = parseCalendarDateField(value);
if ((parsed_value == -1))
goto bad_elem;
field = (UCalendarDateFields) parsed_value;
fun(cal, field, offset, &status);
if (U_FAILURE(status))
goto bad_elem;
/* Set an attribute end */
} else
goto bad_elem;
}
return calendar_to_double(env, (const UCalendar*) cal);
bad_elem:
return list_element_error(env, in, i);
}
ERL_NIF_TERM date_clear(ErlNifEnv* env, int argc,
const ERL_NIF_TERM argv[])
{
UErrorCode status = U_ZERO_ERROR;
UCalendar* cal;
cloner* ptr;
double date;
UCalendarDateFields field;
ERL_NIF_TERM head, tail;
unsigned int count, i = 0;
char value[ATOM_LEN];
int parsed_value;
if(!((argc == 3)
&& enif_get_resource(env, argv[0], calendar_type, (void**) &ptr)
&& enif_get_double(env, argv[1], &date)
&& enif_get_list_length(env, argv[2], &count))) {
return enif_make_badarg(env);
}
cal = (UCalendar*) cloner_get(ptr);
CHECK_RES(env, cal);
ucal_setMillis(cal, (UDate) date, &status);
CHECK(env, status);
tail = argv[2];
while (enif_get_list_cell(env, tail, &head, &tail)) {
/* Set an attribute start */
if (!enif_get_atom(env, head, (char*) value,
ATOM_LEN, ERL_NIF_LATIN1))
goto bad_elem;
parsed_value = parseCalendarDateField(value);
if ((parsed_value == -1))
goto bad_elem;
field = (UCalendarDateFields) parsed_value;
ucal_clearField(cal, field);
if (U_FAILURE(status))
goto bad_elem;
/* Set an attribute end */
}
return calendar_to_double(env, (const UCalendar*) cal);
bad_elem:
return list_element_error(env, argv[2], i);
}
static char* alloc_str(ErlNifEnv* env, const ERL_NIF_TERM list, unsigned* len)
{
unsigned list_len;
if (!enif_get_list_length(env, list, &list_len))
return NULL;
list_len++;
*len = list_len;
return (char*)enif_alloc(list_len);
}
//////////////////// Matrix buffer
ERL_NIF_TERM pteracuda_nifs_new_matrix_int_buffer(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) {
unsigned int rows;
unsigned int cols;
bool from_matrix = false;
MatrixOrientation orientation = ROW_MAJOR;
unsigned int mo;
if (argc == 2) {
ERL_NIF_TERM head;
ERL_NIF_TERM tail;
if(!enif_get_list_length(env, argv[0], &rows) ||
!enif_get_list_cell(env, argv[0], &head, &tail) ||
!enif_get_list_length(env, head, &cols) ||
!enif_get_uint(env, argv[1], &mo)) return enif_make_badarg(env);
from_matrix = true;
}else if (argc !=3 ||
!enif_get_uint(env, argv[0], &rows) ||
!enif_get_uint(env, argv[1], &cols) ||
!enif_get_uint(env, argv[2], &mo)) {
return enif_make_badarg(env);
}
PCudaBufferRef *ref = (PCudaBufferRef *) enif_alloc_resource(pteracuda_buffer_resource, sizeof(PCudaBufferRef));
if (!ref) {
return OOM_ERROR;
}
if(mo == ROW_MAJOR){
orientation = ROW_MAJOR;
}else if (mo == COLUMN_MAJOR){
orientation = COLUMN_MAJOR;
}else return enif_make_badarg(env);
ref->buffer = new PCudaMatrixIntBuffer(rows, cols, orientation);
ref->destroyed = false;
if (from_matrix) ref->buffer->write(env, argv[0]);
ERL_NIF_TERM res = enif_make_resource(env, ref);
enif_release_resource(ref);
return enif_make_tuple2(env, ATOM_OK, res);
}
static ERL_NIF_TERM
create_worker_data(ErlNifEnv *env, int32_t argc, const ERL_NIF_TERM *argv) {
BundlePaths *bundle_paths;
ERL_NIF_TERM list, head, tail, result;
unsigned int index, length, string_length;
char *new_path;
WorkerData *worker_data;
(void)(argc);
list = argv[0];
if (!enif_is_list(env, list)) return enif_make_badarg(env);
enif_get_list_length(env, list, &length);
bundle_paths = bundle_paths_new(length);
index = 0;
tail = list;
while (enif_get_list_cell(env, tail, &head, &tail)) {
if (!enif_is_list(env, head)) return enif_make_badarg(env);
enif_get_list_length(env, head, &string_length);
new_path = malloc(sizeof(char) * string_length + 1);
if (!enif_get_string(env, head, new_path, string_length + 1, ERL_NIF_LATIN1))
return enif_make_badarg(env);
bundle_paths->paths[index] = new_path;
index += 1;
}
worker_data = enif_alloc_resource(WORKER_DATA, sizeof(WorkerData));
worker_data_initialize(worker_data, length);
worker_data_read(bundle_paths, worker_data);
result = enif_make_resource(env, worker_data);
enif_release_resource(&worker_data);
bundle_paths_free(&bundle_paths);
return result;
}
static ERL_NIF_TERM do_write(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]) {
static PortMidiStream ** stream;
ErlNifResourceType* streamType = (ErlNifResourceType*)enif_priv_data(env);
if(!enif_get_resource(env, argv[0], streamType, (PortMidiStream **) &stream)) {
return enif_make_badarg(env);
}
ERL_NIF_TERM erlMessages = argv[1];
const ERL_NIF_TERM * erlEvent;
const ERL_NIF_TERM * erlMessage;
ERL_NIF_TERM erlTuple;
unsigned int numOfMessages;
int tupleSize;
enif_get_list_length(env, erlMessages, &numOfMessages);
PmEvent events[numOfMessages];
long int status, note, velocity, timestamp;
for(unsigned int i = 0; i < numOfMessages; i++) {
enif_get_list_cell(env, erlMessages, &erlTuple, &erlMessages);
enif_get_tuple(env, erlTuple, &tupleSize, &erlEvent);
enif_get_tuple(env, erlEvent[0], &tupleSize, &erlMessage);
enif_get_long(env, erlMessage[0], &status);
enif_get_long(env, erlMessage[1], ¬e);
enif_get_long(env, erlMessage[2], &velocity);
enif_get_long(env, erlEvent[1], ×tamp);
PmEvent event;
event.message = Pm_Message(status, note, velocity);
event.timestamp = timestamp;
events[i] = event;
}
PmError writeError;
writeError = Pm_Write(*stream, events, numOfMessages);
if (writeError == pmNoError) {
return enif_make_atom(env, "ok");
}
const char * writeErrorMsg;
writeErrorMsg = Pm_GetErrorText(writeError);
return enif_make_tuple2(
env,
enif_make_atom(env, "error"),
enif_make_string(env, writeErrorMsg, ERL_NIF_LATIN1)
);
}
/*
* argv[0] atom with length of 6
* argv[1] list with length of 6
* argv[2] empty list
* argv[3] not an atom
* argv[4] not a list
*/
static ERL_NIF_TERM length_test(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
unsigned len;
if (!enif_get_atom_length(env, argv[0], &len, ERL_NIF_LATIN1) || len != 6)
return enif_make_badarg(env);
if (!enif_get_list_length(env, argv[1], &len) || len != 6)
return enif_make_badarg(env);
if (!enif_get_list_length(env, argv[2], &len) || len != 0)
return enif_make_badarg(env);
if (enif_get_atom_length(env, argv[3], &len, ERL_NIF_LATIN1))
return enif_make_badarg(env);
if (enif_get_list_length(env, argv[4], &len))
return enif_make_badarg(env);
return enif_make_atom(env, "ok");
}
/* OGRDataSourceH CPL_DLL OGROpen(const char *, int, OGRSFDriverH *)
CPL_WARN_UNUSED_RESULT;
{ok, DataSource} = lgeo_ogr:open("test/polygon.shp").
{ok, DataSource} = lgeo_ogr:open("test/polygon.shp", 1).
*/
static ERL_NIF_TERM
open(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
int update = 0; // read-only (default)
OGRDataSourceH datasource;
ERL_NIF_TERM eterm;
/*
OGRSFDriverH *pahDriver;
ERL_NIF_TERM eterm1, eterm2;
*/
unsigned len;
if (argc > 0 && !enif_get_list_length(env, argv[0], &len)) {
return enif_make_badarg(env);
}
char * filename = enif_alloc(sizeof(char)*(len+1));
if(!enif_get_string(env, argv[0], filename, len+1, ERL_NIF_LATIN1)) {
return enif_make_badarg(env);
}
if (argc == 2 && !enif_get_int(env, argv[1], &update)) {
return enif_make_badarg(env);
}
datasource = OGROpen(filename, update, NULL);
//datasource = OGROpen(filename, upadate, pahDriver);
enif_free(filename);
if(datasource == NULL) {
return enif_make_atom(env, "undefined");
}
OGRDataSourceH **hDS = \
enif_alloc_resource(OGR_DS_RESOURCE, sizeof(OGRDataSourceH*));
*hDS = datasource;
/*
OGRSFDriverH **hDriver = \
enif_alloc_resource(OGR_D_RESOURCE, sizeof(OGRSFDriverH*));
*hDriver = *pahDriver;
*/
eterm = enif_make_resource(env, hDS);
enif_release_resource(hDS);
return enif_make_tuple2(env, enif_make_atom(env, "ok"), eterm);
/*
eterm2 = enif_make_resource(env, hDriver);
enif_release_resource(hDriver);
return enif_make_tuple2(env, eterm1, eterm1);
*/
}
static int do_iterator_options(ErlNifEnv* env, UCollator* col,
const ERL_NIF_TERM in, unsigned int& i) {
ERL_NIF_TERM out, list;
ERL_NIF_TERM* tuple;
unsigned int count;
UErrorCode status = U_ZERO_ERROR;
int32_t len;
char value[ATOM_LEN], key[ATOM_LEN];
int parsed_value, parsed_key;
i = 0;
if (!enif_get_list_length(env, in, &count))
return 0;
list = in;
while (enif_get_list_cell(env, list, &out, &list)) {
if (enif_get_tuple(env, out, &len, (const ERL_NIF_TERM**) &tuple)
&& (len == 2)) {
/* Set an attribute start */
if (!(enif_get_atom(env, tuple[0], (char*) key,
ATOM_LEN, ERL_NIF_LATIN1)
&& enif_get_atom(env, tuple[1], (char*) value,
ATOM_LEN, ERL_NIF_LATIN1)))
return 0;
parsed_key = parseAttrKey(key);
parsed_value = parseAttrValue(value);
if ((parsed_value == -1) || (parsed_key == -1))
return 0;
ucol_setAttribute(col,
(UColAttribute) parsed_key,
(UColAttributeValue) parsed_value,
&status);
if (U_FAILURE(status))
return 0;
/* Set an attribute end */
} else
return 0;
}
return 1;
}
static ERL_NIF_TERM helloworld (ErlNifEnv* env, int argc,
const ERL_NIF_TERM argv[])
{
unsigned int length = 0;
enif_get_list_length(env, argv[0], &length);
char *name = (char *)enif_alloc(++length);
enif_get_string(env, argv[0], name, length, ERL_NIF_LATIN1);
printf("Hello, %s!\n", name);
enif_free(name);
return enif_make_atom(env, "ok");
}
static ERL_NIF_TERM eval2(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[]) {
ErlNifBinary script_binary;
if (!enif_inspect_binary(env, argv[0], &script_binary)){
return enif_make_badarg(env);
}
if (!enif_is_list(env, argv[1])) {
enif_release_binary(&script_binary);
return enif_make_badarg(env);
}
mrb_state *mrb;
mrbc_context *cxt;
mrb = mrb_open();
if (mrb == NULL) {
return enif_make_atom(env, "error");
}
unsigned int mrb_argv_len;
enif_get_list_length(env, argv[1], &mrb_argv_len);
mrb_value mrb_argv = mrb_ary_new(mrb);
ERL_NIF_TERM cur;
for(cur = argv[1]; !enif_is_empty_list(env, cur); ) {
ERL_NIF_TERM head, tail;
enif_get_list_cell(env, cur, &head, &tail);
mrb_ary_push(mrb, mrb_argv, erl2mruby(env, mrb, head));
cur = tail;
}
mrb_define_global_const(mrb, "ARGV", mrb_argv);
char *script = malloc(script_binary.size+1);
strncpy(script, (const char *)script_binary.data, (int)script_binary.size);
script[script_binary.size] = '\0';
cxt = mrbc_context_new(mrb);
struct mrb_parser_state* st = mrb_parse_string(mrb, (const char *)script, cxt);
int n = mrb_generate_code(mrb, st);
mrb_pool_close(st->pool);
mrb_value result = mrb_run(mrb, mrb_proc_new(mrb, mrb->irep[n]), mrb_nil_value());
ERL_NIF_TERM erl_result = mruby2erl(env, mrb, result);
free(script);
mrbc_context_free(mrb, cxt);
mrb_close(mrb);
enif_release_binary(&script_binary);
return erl_result;
}
static ERL_NIF_TERM exec_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
unsigned path_length, args_count, arg_length;
ERL_NIF_TERM head, tail;
int i = 0;
enif_get_list_length(env, argv[0], &path_length);
enif_get_list_length(env, argv[1], &args_count);
char* exec_argv[args_count + 2];
char path[path_length + 1];
if (!enif_get_string(env, argv[0], path, path_length + 1, ERL_NIF_LATIN1) || !enif_is_list(env, argv[1])) {
return enif_make_badarg(env);
}
tail = argv[1];
while(enif_get_list_cell(env, tail, &head, &tail) != 0) {
enif_get_list_length(env, head, &arg_length);
char* arg = (char*) malloc(sizeof(char) * (arg_length + 1));
if (!enif_get_string(env, head, arg, arg_length + 1, ERL_NIF_LATIN1)) {
return enif_make_badarg(env);
}
exec_argv[i + 1] = arg;
i++;
}
exec_argv[0] = path;
exec_argv[args_count + 1] = NULL;
execv(path, exec_argv);
return enif_make_atom(env, "ok");
}
void* cb_mtouch_args(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
mtouch_args_t* args = (mtouch_args_t*)enif_alloc(sizeof(mtouch_args_t));
ERL_NIF_TERM* currKey;
ERL_NIF_TERM tail;
ErlNifBinary key_binary;
if (!enif_get_list_length(env, argv[0], &args->numkeys)) goto error0;
args->keys = malloc(sizeof(char*) * args->numkeys);
args->nkeys = malloc(sizeof(size_t) * args->numkeys);
currKey = malloc(sizeof(ERL_NIF_TERM));
tail = argv[0];
int i = 0;
while(0 != enif_get_list_cell(env, tail, currKey, &tail)) {
if (!enif_inspect_iolist_as_binary(env, *currKey, &key_binary)) goto error1;
args->keys[i] = malloc(sizeof(char) * key_binary.size);
memcpy(args->keys[i], key_binary.data, key_binary.size);
args->nkeys[i] = key_binary.size;
i++;
}
args->exp = malloc(sizeof(int64_t) * args->numkeys);
tail = argv[1];
int i2 = 0;
while(0 != enif_get_list_cell(env, tail, currKey, &tail)) {
if (!enif_get_long(env, *currKey, &args->exp[i2])) goto error2;
i2++;
}
free(currKey);
return (void*)args;
int f = 0;
error2:
free(args->exp);
error1:
for(f = 0; f < i; f++) {
free(args->keys[f]);
}
free(args->keys);
free(args->nkeys);
error0:
enif_free(args);
return NULL;
}
void *cb_connect_args(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
connect_args_t* args = (connect_args_t*)enif_alloc(sizeof(connect_args_t));
unsigned arg_length;
if (!enif_get_list_length(env, argv[0], &arg_length)) goto error0;
args->host = (char *) malloc(arg_length + 1);
if (!enif_get_string(env, argv[0], args->host, arg_length + 1, ERL_NIF_LATIN1)) goto error1;
if (!enif_get_list_length(env, argv[1], &arg_length)) goto error1;
args->user = (char *) malloc(arg_length + 1);
if (!enif_get_string(env, argv[1], args->user, arg_length + 1, ERL_NIF_LATIN1)) goto error2;
if (!enif_get_list_length(env, argv[2], &arg_length)) goto error2;
args->pass = (char *) malloc(arg_length + 1);
if (!enif_get_string(env, argv[2], args->pass, arg_length + 1, ERL_NIF_LATIN1)) goto error3;
if (!enif_get_list_length(env, argv[3], &arg_length)) goto error3;
args->bucket = (char *) malloc(arg_length + 1);
if (!enif_get_string(env, argv[3], args->bucket, arg_length + 1, ERL_NIF_LATIN1)) goto error4;
return (void*)args;
error4:
free(args->bucket);
error3:
free(args->pass);
error2:
free(args->user);
error1:
free(args->host);
error0:
enif_free(args);
return NULL;
}
static ERL_NIF_TERM slog(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
int priority = LOG_DEBUG;
enif_get_int(env, argv[0], &priority);
unsigned int length = 0;
enif_get_list_length(env, argv[1], &length);
char *buf = (char *)enif_alloc(++length);
enif_get_string(env,argv[1], buf, length, ERL_NIF_LATIN1);
syslog(priority,"%s",buf);
enif_free(buf);
return enif_make_atom(env, ENIF_OK);
}
static ERL_NIF_TERM
nif_scheduler_reconcileTasks(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
unsigned int length ;
state_ptr state = (state_ptr) enif_priv_data(env);
if(state->initilised == 0 )
{
return enif_make_tuple2(env,
enif_make_atom(env, "state_error"),
enif_make_atom(env, "scheduler_not_inited"));
}
if(!enif_is_list(env, argv[0]))
{
return enif_make_tuple3(env,
enif_make_atom(env, "argument_error"),
enif_make_atom(env, "invalid_or_corrupted_parameter"),
enif_make_atom(env, "task_status_array"));
};
if(!enif_get_list_length(env, argv[0], &length))
{
return enif_make_tuple3(env,
enif_make_atom(env, "argument_error"),
enif_make_atom(env, "invalid_or_corrupted_parameter"),
enif_make_atom(env, "task_status_array"));
}
ErlNifBinary binary_arr[length];
if(!inspect_array_of_binary_objects(env, argv[0], &binary_arr ))
{
return enif_make_tuple3(env,
enif_make_atom(env, "argument_error"),
enif_make_atom(env, "invalid_or_corrupted_parameter"),
enif_make_atom(env, "task_status_array"));
}
BinaryNifArray binaryNifArrayHolder ;
binaryNifArrayHolder.length = length;
binaryNifArrayHolder.obj = &binary_arr[0];
SchedulerDriverStatus status = scheduler_reconcileTasks( state->scheduler_state, &binaryNifArrayHolder);
return get_return_value_from_status(env, status);
}
static ERL_NIF_TERM open_1(ErlNifEnv *env, int argc,
const ERL_NIF_TERM argv[])
{
char *device;
unsigned int length;
uint8_t tmp8;
uint32_t tmp32;
state.env = env;
state.fd = -1;
state.mode = 0;
state.bits_per_word = 0;
state.max_speed_hz = 0;
if (argc != 1 || !enif_is_list(env, argv[0]))
return enif_make_badarg(env);
if (!enif_get_list_length(env, argv[0], &length))
return enif_make_badarg(env);
device = (char *) enif_alloc(length + 1);
enif_get_string(env, argv[0], device, length + 1, ERL_NIF_LATIN1);
if ((state.fd = open(device, O_RDWR, 0)) == -1) {
return enif_make_badarg(env);
}
if (ioctl(state.fd, SPI_IOC_RD_MODE, &tmp8) == -1) {
close(state.fd);
enif_free(device);
return enif_make_tuple2(env, enif_make_atom(env, "error"), enif_make_string(env, "read mode", ERL_NIF_LATIN1));
}
state.mode = tmp8;
if (ioctl(state.fd, SPI_IOC_RD_BITS_PER_WORD, &tmp8) == -1) {
close(state.fd);
enif_free(device);
return enif_make_tuple2(env, enif_make_atom(env, "error"), enif_make_string(env, "read bits per word", ERL_NIF_LATIN1));
}
state.bits_per_word = tmp8;
if (ioctl(state.fd, SPI_IOC_RD_MAX_SPEED_HZ, &tmp32) == -1) {
close(state.fd);
enif_free(device);
return enif_make_tuple2(env, enif_make_atom(env, "error"), enif_make_string(env, "read max speed hz", ERL_NIF_LATIN1));
}
state.max_speed_hz = tmp32;
enif_free(device);
return enif_make_atom(env, "ok");
}
static ERL_NIF_TERM xfer2_1(ErlNifEnv *env, int argc,
const ERL_NIF_TERM argv[])
{
int status, val, i;
struct spi_ioc_transfer xfer;
uint8_t *txbuf, *rxbuf;
unsigned int length;
ERL_NIF_TERM cell, head, tail, res, list;
if (state.fd == -1)
return enif_make_tuple2(env, enif_make_atom(env, "error"), enif_make_string(env, "device closed", ERL_NIF_LATIN1));
if (argc != 1 || !enif_is_list(env, argv[0]))
return enif_make_badarg(env);
if (!enif_get_list_length(env, argv[0], &length))
return enif_make_badarg(env);
txbuf = (uint8_t *) enif_alloc(sizeof(uint8_t) * length);
rxbuf = (uint8_t *) enif_alloc(sizeof(uint8_t) * length);
list = argv[0];
for (i = 0; enif_get_list_cell(env, list, &head, &tail); ++i, list = tail) {
if (!enif_get_int(env, head, &val)) {
return enif_make_badarg(env);
}
txbuf[i] = val;
}
xfer.tx_buf = (unsigned long) txbuf;
xfer.rx_buf = (unsigned long) rxbuf;
xfer.len = length;
status = ioctl(state.fd, SPI_IOC_MESSAGE(1), &xfer);
if (status < 0) {
enif_free(txbuf);
enif_free(rxbuf);
return enif_make_tuple2(env, enif_make_atom(env, "error"), enif_make_string(env, "spi ioc message", ERL_NIF_LATIN1));
}
list = enif_make_list(env, 0);
for (i = length - 1; i >= 0; --i) {
cell = enif_make_uint(env, (unsigned int) rxbuf[i]);
list = enif_make_list_cell(env, cell, list);
}
res = enif_make_tuple2(env, enif_make_atom(env, "ok"), list);
enif_free(txbuf);
enif_free(rxbuf);
return res;
}
static ERL_NIF_TERM
mem_write_list(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
{
unsigned int i, l, data, err;
int ar;
char* ptr;
ERL_NIF_TERM head, tail, list, *tpl;
err = enif_get_list_length(env, argv[0], &l);
if (!err) {
goto error;
}
err = enif_get_tuple(env, argv[1], &ar, (const ERL_NIF_TERM**)(&tpl));
if (err) {
err = nifty_get_ptr(env, tpl[0], (ptr_t*)&ptr);
}
if (!err) {
goto error;
}
list = argv[0];
i = 0;
while (!enif_is_empty_list(env, list)) {
err = enif_get_list_cell(env, list, &head, &tail);
list = tail;
if (!err) {
goto error;
}
err = enif_get_uint(env, head, &data);
if (!err) {
goto error;
}
*(ptr+i++) = (char)data;
}
return argv[1];
error:
return enif_make_badarg(env);
}
ERL_NIF_TERM date_get_fields(ErlNifEnv* env, int argc,
const ERL_NIF_TERM argv[])
{
UErrorCode status = U_ZERO_ERROR;
UCalendar* cal;
cloner* ptr;
double date;
ERL_NIF_TERM res;
ERL_NIF_TERM head, tail, out;
unsigned int count;
if(!((argc == 3)
&& enif_get_resource(env, argv[0], calendar_type, (void**) &ptr)
&& enif_get_double(env, argv[1], &date)
&& enif_get_list_length(env, argv[2], &count))) {
return enif_make_badarg(env);
}
cal = (UCalendar*) cloner_get(ptr);
CHECK_RES(env, cal);
ucal_setMillis(cal, (UDate) date, &status);
CHECK(env, status);
tail = argv[2];
out = enif_make_list(env, 0);
while (enif_get_list_cell(env, tail, &head, &tail)) {
/* Set an attribute start */
res = do_date_get_field(env, cal, head, status);
CHECK(env, status);
out = enif_make_list_cell(env,
enif_make_tuple2(env, head, res),
out);
/* Set an attribute end */
}
return out;
}
GEOSGeometry*
eterm_to_geom_multi(ErlNifEnv *env, ERL_NIF_TERM eterm, int type,
GEOSGeometry*(*eterm_to_geom)(ErlNifEnv *env, const ERL_NIF_TERM *eterm))
{
unsigned int i, geoms_num;
GEOSGeometry *geom;
GEOSGeometry **geoms;
ERL_NIF_TERM tail;
enif_get_list_length(env, eterm, &geoms_num);
geoms = malloc(sizeof(GEOSGeometry*)*geoms_num);
for (i=0; enif_get_list_cell(env, eterm , &eterm, &tail); i++) {
geoms[i] = (*eterm_to_geom)(env, &eterm);
eterm = tail;
}
geom = GEOSGeom_createCollection(type, geoms, geoms_num);
free(geoms);
return geom;
}
GEOSCoordSeq
eterm_to_geom_linestring_coords(ErlNifEnv *env,
const ERL_NIF_TERM *coords_list)
{
unsigned int i=0, len;
GEOSCoordSequence *coords_seq;
ERL_NIF_TERM head, tail;
enif_get_list_length(env, *coords_list, &len);
coords_seq = GEOSCoordSeq_create(len, DIMENSION);
while (enif_get_list_cell(env, *coords_list, &head, &tail)) {
if (!set_GEOSCoordSeq_from_eterm_list(coords_seq, i, env, &head)) {
return NULL;
}
i++;
coords_list = &tail;
}
return coords_seq;
}
/* 0: fd, 1: list of buffers */
static ERL_NIF_TERM
nif_writev(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
{
ERL_NIF_TERM head = {0};
ERL_NIF_TERM tail = {0};
struct iovec iovs[IOVMAX];
int fd = -1;
unsigned iovcnt;
ssize_t n = 0;
if (!enif_get_int(env, argv[0], &fd))
return enif_make_badarg(env);
tail = argv[1];
if (!enif_get_list_length(env, tail, &iovcnt))
return enif_make_badarg(env);
if (!iovcnt || iovcnt > IOVMAX)
return enif_make_badarg(env);
iovcnt = 0;
while (enif_get_list_cell(env, tail, &head, &tail)) {
struct iovec *iov = &iovs[iovcnt++];
ErlNifBinary buf = {0};
if (!enif_inspect_binary(env, head, &buf))
return enif_make_badarg(env);
iov->iov_base = buf.data;
iov->iov_len = buf.size;
}
n = writev(fd, iovs, iovcnt);
if (n < 0)
return error_tuple(env, errno);
return enif_make_tuple2(env, atom_ok, enif_make_int64(env, n));
}
static inline int
match_proplist(ErlNifEnv* env, ERL_NIF_TERM term, State *st){
ERL_NIF_TERM list, head, tail;
unsigned len, i;
if(!enif_get_list_length(env, term, &len)){
return 0;
}
b_putc('{', st);
list = term;
for(i = 0; i < len; i++){
enif_get_list_cell(env, list, &head, &tail);
if(i > 0){
b_putc(',', st);
}
if(!match_pair(env, head, st)){
return 0;
}
list = tail;
}
b_putc('}', st);
return 1;
}
