static int term_sequence_test(IC_Env *env)
{
ETERM* et_array[4] = {
erl_format("[{apa, 1, 23}, \"string\", {1.23, 45}]"),
erl_format("[{banan, 1, 23}, \"string\", {1.23, 45}]"),
erl_format("[{apelsin, 1, 23}, \"string\", {1.23, 45}]"),
erl_format("[{mango, 1, 23}, \"string\", {1.23, 45}]")};
m_etseq etsi = {4, 4, et_array}, *etso, *etsr;
fprintf(stdout, "\n======== m_i_term_sequence test ======\n\n");
etsr = m_i_term_sequence_test(NULL, &etsi, &etso, env);
CHECK_EXCEPTION(env);
RETURN_IF_OK(cmp_etseq(&etsi, etso) && cmp_etseq(&etsi, etsr));
if (!cmp_etseq(&etsi, etso)) {
fprintf(stdout, " out parameter error, sent:\n");
print_etseq(&etsi);
fprintf(stdout, "got:\n");
print_etseq(etso);
}
if (!cmp_etseq(&etsi, etsr)) {
fprintf(stdout, " result error, sent:\n");
print_etseq(&etsi);
fprintf(stdout, "got:\n");
print_etseq(etsr);
}
free_etseq_buf(&etsi);
free_etseq_buf(etso);
free_etseq_buf(etsr);
CORBA_free(etso);
CORBA_free(etsr);
return -1;
}
ETERM * new_image_blank(ETERM *arg, int c_node) {
int stride, cbufsize, status, key_length;
ETERM *width, *height;
cairo_context *ctx = NULL;
width = erl_element(1, arg);
height = erl_element(2, arg);
stride = ERL_INT_VALUE(width) * 4;
cbufsize = ERL_INT_VALUE(height) * stride;
ctx = malloc(sizeof(cairo_context));
if (ctx) {
ctx->cbuf = (byte *)malloc(cbufsize);
if (ctx->cbuf) {
memset(ctx->cbuf, 0, cbufsize);
ctx->sf = cairo_image_surface_create_for_data(ctx->cbuf,
CAIRO_FORMAT_ARGB32, ERL_INT_VALUE(width),
ERL_INT_VALUE(height), stride);
ctx->cr = cairo_create(ctx->sf);
return erl_format("{c_node, ~i, {ok, ~i}}", c_node, ctx);
} else {
free(ctx);
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
erl_free_term(width);
erl_free_term(height);
}
void
handle_last(ETERM *msg)
{
ETERM *ecols, *erows, *resp;
if (results == NULL) {
resp = erl_format("{error, result_set_does_not_exist}");
write_msg(resp);
erl_free_term(resp);
return;
}
mysql_stmt_data_seek(sth, numrows - 1);
resultoffset = numrows;
ecols = make_cols();
erows = make_rows(1);
resp = erl_format("{selected, ~w, ~w}", ecols, erows);
erl_free_term(erows);
erl_free_term(ecols);
write_msg(resp);
erl_free_term(resp);
}
void
handle_prev(ETERM *msg)
{
ETERM *ecols, *erows, *resp;
if (results == NULL) {
resp = erl_format("{error, result_set_does_not_exist}");
write_msg(resp);
erl_free_term(resp);
return;
}
ecols = make_cols();
if (resultoffset <= 1) {
resp = erl_format("{selected, ~w, []}", ecols);
} else {
resultoffset--;
mysql_stmt_data_seek(sth, resultoffset - 1);
erows = make_rows(1);
resp = erl_format("{selected, ~w, ~w}", ecols, erows);
erl_free_term(erows);
}
erl_free_term(ecols);
write_msg(resp);
erl_free_term(resp);
}
ETERM * rel_curve_to(ETERM* arg, int c_node) {
ETERM *c1x, *c1y, *c2x, *c2y, *x, *y;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
c1x = erl_element(2, arg);
c1y = erl_element(3, arg);
c2x = erl_element(4, arg);
c2y = erl_element(5, arg);
x = erl_element(6, arg);
y = erl_element(7, arg);
cairo_rel_curve_to(ctx->cr, val(c1x),
val(c1y),
val(c2x),
val(c2y),
val(x),
val(y));
erl_free_term(c1x);
erl_free_term(c1y);
erl_free_term(c2x);
erl_free_term(c2y);
erl_free_term(x);
erl_free_term(y);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
static int hello_getattr(const char *path, struct stat *stbuf)
{
ETERM * response = erl_rpc(FERL_DATA->erlang_fd,"gen_server","call",erl_format("[nefs,{get_attr,~s}]",path));
ETERM * pattern = erl_format("{directory,Mode,Nlink}");
ETERM * pattern2 = erl_format("{file,Mode,Nlink,Size}");
int res = 0;
memset(stbuf, 0, sizeof(struct stat));
if(erl_match(pattern, response)) { //directory
ETERM * Mode = erl_var_content(pattern, "Mode");
ETERM * Nlink = erl_var_content(pattern, "Nlink");
if(ERL_IS_INTEGER(Nlink) && ERL_IS_INTEGER(Mode)){
stbuf->st_mode = S_IFDIR | ERL_INT_VALUE(Mode); //permissions
stbuf->st_nlink = ERL_INT_VALUE(Nlink); // directories have the number of files in them
}else{
res = -ENOENT;
}
}else if(erl_match(pattern2, response)){ //file
ETERM * Mode = erl_var_content(pattern2, "Mode");
ETERM * Nlink = erl_var_content(pattern2, "Nlink");
ETERM * Size = erl_var_content(pattern2, "Size");
if(ERL_IS_INTEGER(Nlink) && ERL_IS_INTEGER(Mode) && ERL_IS_INTEGER(Size)){
stbuf->st_mode = S_IFREG | ERL_INT_VALUE(Mode); //permissions
stbuf->st_nlink = ERL_INT_VALUE(Nlink); //files only have 1
stbuf->st_size = ERL_INT_VALUE(Size); // length of the file
}else{
res = -ENOENT;
}
}else{
res = -ENOENT;
}
return res;
}
static int hello_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi)
{
int res = 0;
ETERM * response = erl_rpc(FERL_DATA->erlang_fd,"gen_server","call",erl_format("[nefs,{read_dir,~s}]",path));
ETERM * pattern = erl_format("{ok,Listing}");
if(erl_match(pattern, response)) { //directory
ETERM * Tail = erl_var_content(pattern, "Listing");
if(ERL_IS_LIST(Tail)){
while(!ERL_IS_EMPTY_LIST(Tail)){
ETERM * elem = ERL_CONS_HEAD(Tail);
// add in the links to the previous folders
filler(buf, ".", NULL, 0);
filler(buf, "..", NULL, 0);
// add in the folders contents
if(ERL_IS_LIST(elem)){
filler(buf,(char *)ERL_BIN_PTR(elem),NULL,0);
}else{
res = -ENOENT;
break;
}
Tail = ERL_CONS_TAIL(Tail);
}
}else{
res = -ENOENT;
}
}else{
res = -ENOENT;
}
return res;
}
ETERM * stroke_preserve(ETERM* arg, int c_node) {
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
cairo_stroke_preserve(ctx->cr);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * close_image(ETERM* arg, int c_node) {
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
cairo_destroy(ctx->cr);
cairo_surface_destroy(ctx->sf);
free(ctx->cbuf);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * set_line_width(ETERM* arg, int c_node) {
ETERM *width;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
width = erl_element(2, arg);
cairo_set_line_width(ctx->cr, ERL_INT_VALUE(width));
erl_free_term(width);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * show_text(ETERM* arg, int c_node) {
ETERM *text;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
text = erl_element(2, arg);
cairo_show_text(ctx->cr, (char *)ERL_ATOM_PTR(text));
erl_free_term(text);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * set_font_size(ETERM* arg, int c_node) {
ETERM *size;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
size = erl_element(2, arg);
cairo_set_font_size(ctx->cr, val(size));
erl_free_term(size);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * rotate(ETERM* arg, int c_node) {
ETERM *angle;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
angle = erl_element(2, arg);
cairo_rotate(ctx->cr, val(angle));
erl_free_term(angle);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * set_operator(ETERM* arg, int c_node) {
ETERM *operator;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
operator = erl_element(2, arg);
cairo_set_operator(ctx->cr, ERL_INT_VALUE(operator));
erl_free_term(operator);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * write_to_png(ETERM* arg, int c_node) {
int status;
ETERM *file;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
file = erl_element(2, arg);
status = cairo_surface_write_to_png(ctx->sf, (char *)ERL_ATOM_PTR(file));
erl_free_term(file);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * text_extents(ETERM* arg, int c_node) {
ETERM *text;
cairo_text_extents_t extents;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
text = erl_element(2, arg);
cairo_text_extents (ctx->cr, (char *)ERL_ATOM_PTR(text), &extents);
erl_free_term(text);
return erl_format("{c_node, ~i, {~f, ~f}}", c_node, extents.width, extents.height);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * rel_line_to(ETERM* arg, int c_node) {
ETERM *x, *y;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
x = erl_element(2, arg);
y = erl_element(3, arg);
cairo_rel_line_to(ctx->cr, val(x), val(y));
erl_free_term(x);
erl_free_term(y);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * translate(ETERM* arg, int c_node) {
ETERM *tx, *ty;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
tx = erl_element(2, arg);
ty = erl_element(3, arg);
cairo_translate(ctx->cr, val(tx), val(ty));
erl_free_term(tx);
erl_free_term(ty);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
ETERM * scale(ETERM* arg, int c_node) {
ETERM *sx, *sy;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
sx = erl_element(2, arg);
sy = erl_element(3, arg);
cairo_scale(ctx->cr, val(sx), val(sy));
erl_free_term(sx);
erl_free_term(sy);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
static int
process_hashpw(ETERM *pid, ETERM *data)
{
int retval = 0;
ETERM *pattern, *pwd, *slt;
char *password, *salt;
char *ret = NULL;
pattern = erl_format("{Pass, Salt}");
if (erl_match(pattern, data)) {
pwd = erl_var_content(pattern, "Pass");
password = erl_iolist_to_string(pwd);
slt = erl_var_content(pattern, "Salt");
salt = erl_iolist_to_string(slt);
if (NULL == (ret = bcrypt(password, salt)) ||
0 == strcmp(ret, ":")) {
retval = process_reply(pid, CMD_HASHPW, "Invalid salt");
} else {
retval = process_reply(pid, CMD_HASHPW, ret);
}
erl_free_term(pwd);
erl_free_term(slt);
erl_free(password);
erl_free(salt);
};
erl_free_term(pattern);
return retval;
}
static int typedef_test(IC_Env *env)
{
m_banan mbi, mbo; /* erlang_port */
m_apa mai; /* ETERM* */
m_apa mao = NULL;
long tl;
strcpy(mbi.node,"node");
mbi.id = 15;
mbi.creation = 1;
fprintf(stdout, "\n======== m_i_typedef test ======\n\n");
mai = erl_format("[{hej, 1, 23}, \"string\", {1.23, 45}]");
tl = m_i_typedef_test(NULL, mai, &mbi, &mao, &mbo, env);
CHECK_EXCEPTION(env);
RETURN_IF_OK(erl_match(mai, mao) && cmp_port(&mbi, &mbo) && tl == 4711);
if (!erl_match(mai, mao)) {
fprintf(stdout, " out parameter error (term), sent:\n");
print_term(mai);
fprintf(stdout, "got:\n");
print_term(mao);
}
if (!cmp_port(&mbi, &mbo)) {
fprintf(stdout, " out parameter error (port), sent:\n");
print_port(&mbi);
fprintf(stdout, "got:\n");
print_port(&mbo);
}
if (tl != 4711) {
fprintf(stdout, " result error, sent: 4711, got %ld\n", tl);
}
erl_free_term(mai);
erl_free_term(mao);
return -1;
}
static int term_test(IC_Env *env)
{
ETERM *ti, *to, *tr;
ti = erl_format("[{hej, 1, 23}, \"string\", {1.23, 45}]");
fprintf(stdout, "\n======== m_i_term test ======\n\n");
tr = m_i_term_test(NULL, ti, &to, env);
CHECK_EXCEPTION(env);
RETURN_IF_OK(erl_match(ti, to) && erl_match(ti, tr));
if (!erl_match(ti, to)) {
fprintf(stdout, " out parameter error, sent:\n");
print_term(ti);
fprintf(stdout, "got:\n");
print_term(to);
}
if (!erl_match(ti, tr)) {
fprintf(stdout, " result error, sent:\n");
print_term(ti);
fprintf(stdout, "got:\n");
print_term(tr);
}
erl_free_term(ti);
erl_free_term(to);
erl_free_term(tr);
return -1;
}
erlang_pid *erl_whereis(int fd, const char *name)
{
ETERM *reply;
ETERM *n;
/* FIXME problem for threaded ? */
static erlang_pid pid;
n = erl_format("[~a]",name);
reply = erl_rpc(fd,"erlang","whereis",n);
erl_free_term(n);
if (reply && (ERL_IS_PID(reply))) {
char *node;
node = ERL_PID_NODE(reply);
strcpy(pid.node,node);
pid.num = ERL_PID_NUMBER(reply);
pid.serial = ERL_PID_SERIAL(reply);
pid.creation = ERL_PID_CREATION(reply);
erl_free_term(reply);
return &pid;
}
if (reply) erl_free_term(reply);
return NULL;
}
void vaskerl_loop (int fd)
{
unsigned char buf[MAX_BUF];
while (1)
{
ErlMessage emsg;
int got = erl_receive_msg(fd, buf, MAX_BUF, &emsg);
if (got == ERL_TICK)
continue;
else if (got == ERL_ERROR)
{
fprintf(stderr, "erl_error\n");
break;
}
if (emsg.type == ERL_REG_SEND)
{
printf("Got something...\n");
ETERM *resp = erl_format("{cnode, \"hello\"}");
erl_send(fd, emsg.from, resp);
erl_free_term(resp);
erl_free_term(emsg.from);
erl_free_term(emsg.msg);
}
}
}
static int hello_read(const char *path, char *buf, size_t size, off_t offset,
struct fuse_file_info *fi)
{
int ret_bytes = 0;
ETERM * response = erl_rpc(FERL_DATA->erlang_fd,"file","pread",erl_format("[~s,{bof,~i},~i]",offset,size));
ETERM * pattern = erl_format("{ok,Data}");
if(erl_match(pattern, response)) {
ETERM * Data = erl_var_content(pattern, "Data");
if(ERL_IS_BINARY(Data)){
ret_bytes = ERL_BIN_SIZE(Data);
char * data = ERL_BIN_PTR(Data);
memcpy(buf,data,size); //copy the data over into the buffer
}
}
return ret_bytes;
}
static int term_struct_test(IC_Env *env)
{
m_et eti = { erl_format("[{hej, 1, 23}, \"string\", {1.23, 45}]"),
121212 };
m_et eto, etr;
fprintf(stdout, "\n======== m_i_term_struct test ======\n\n");
etr = m_i_term_struct_test(NULL, &eti, &eto, env);
CHECK_EXCEPTION(env);
RETURN_IF_OK(cmp_et(&eti, &eto) && cmp_et(&eti, &etr));
if (!cmp_et(&eti, &eto)) {
fprintf(stdout, " out parameter error, sent:\n");
print_et(&eti);
fprintf(stdout, "got:\n");
print_et(&eto);
}
if (!cmp_et(&eti, &etr)) {
fprintf(stdout, " result error, sent:\n");
print_et(&eti);
fprintf(stdout, "got:\n");
print_et(&etr);
}
free_et(&eti);
free_et(&eto);
free_et(&etr);
return -1;
}
static int
process_encode_salt(ETERM *pid, ETERM *data)
{
int retval = 0;
ETERM *pattern, *cslt, *lr;
byte *csalt = NULL;
long log_rounds = -1;
int csaltlen = -1;
char ret[64];
pattern = erl_format("{Csalt, LogRounds}");
if (erl_match(pattern, data)) {
cslt = erl_var_content(pattern, "Csalt");
csaltlen = ERL_BIN_SIZE(cslt);
csalt = ERL_BIN_PTR(cslt);
lr = erl_var_content(pattern, "LogRounds");
log_rounds = ERL_INT_UVALUE(lr);
if (16 != csaltlen) {
retval = process_reply(pid, CMD_SALT, "Invalid salt length");
} else if (log_rounds < 4 || log_rounds > 31) {
retval = process_reply(pid, CMD_SALT, "Invalid number of rounds");
} else {
encode_salt(ret, (u_int8_t*)csalt, csaltlen, log_rounds);
retval = process_reply(pid, CMD_SALT, ret);
}
erl_free_term(cslt);
erl_free_term(lr);
};
erl_free_term(pattern);
return retval;
}
ETERM * set_source_surface(ETERM* arg, int c_node) {
ETERM *surface, *x, *y;
cairo_context *ctx = get_cairo_context(arg);
if (ctx) {
surface = erl_element(2, arg);
x = erl_element(3, arg);
y = erl_element(4, arg);
cairo_set_source_surface(ctx->cr, ptr(surface), val(x), val(y));
erl_free_term(surface);
erl_free_term(x);
erl_free_term(y);
return erl_format("{c_node, ~i, ok}", c_node);
} else {
return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
}
}
static int
process_command(unsigned char *buf)
{
int retval = 0;
ETERM *pattern, *tuple, *cmd, *port, *data;
pattern = erl_format("{Cmd, Port, Data}");
tuple = erl_decode(buf);
if (erl_match(pattern, tuple)) {
cmd = erl_var_content(pattern, "Cmd");
port = erl_var_content(pattern, "Port");
data = erl_var_content(pattern, "Data");
switch (ERL_INT_VALUE(cmd)) {
case CMD_SALT:
retval = process_encode_salt(port, data);
break;
case CMD_HASHPW:
retval = process_hashpw(port, data);
break;
};
erl_free_term(cmd);
erl_free_term(port);
erl_free_term(data);
}
erl_free_term(pattern);
erl_free_term(tuple);
return retval;
}
ETERM *
make_row()
{
ETERM **rowtup, *rc;
unsigned int i;
rowtup = (ETERM **)safe_malloc(numfields * sizeof(ETERM *));
for (i = 0; i < numfields; i++) {
if (*r_bind[i].is_null)
rowtup[i] = erl_mk_atom("null");
else
rowtup[i] = erl_mk_estring(r_bind[i].buffer, *r_bind[i].length);
}
rc = erl_mk_tuple(rowtup, numfields);
if (rc == NULL) {
ETERM *resp;
resp = erl_format("{error, {erl_mk_tuple, ~i}}", numfields);
write_msg(resp);
erl_free_term(resp);
exit(3);
}
for (i = 0; i < numfields; i++)
erl_free_term(rowtup[i]);
free(rowtup);
return rc;
}
