int
byte_validator_process(
struct sol_flow_node *node,
void *data,
uint16_t port,
uint16_t conn_id,
const struct sol_flow_packet *packet)
{
struct byte_validator_data *mdata = data;
unsigned char *op;
int r;
unsigned char val;
bool match;
if (mdata->done) {
sol_flow_send_error_packet(node, ECANCELED,
"Input stream already deviated from expected data, ignoring packets.");
return 0;
}
r = sol_flow_packet_get_byte(packet, &val);
SOL_INT_CHECK(r, < 0, r);
op = sol_vector_get(&mdata->values, mdata->next_index);
match = val == *op;
mdata->next_index++;
if (mdata->next_index == mdata->values.len || !match) {
sol_flow_send_boolean_packet(node,
SOL_FLOW_NODE_TYPE_TEST_INT_VALIDATOR__OUT__OUT, match);
mdata->done = true;
}
return 0;
}
static int
two_port_process(struct sol_flow_node *node, void *data, uint16_t port_in, uint16_t port_out, const struct sol_flow_packet *packet, int (*func)(unsigned char, unsigned char))
{
struct bitwise_data *mdata = data;
int r;
unsigned char in_value;
unsigned char out_value;
r = sol_flow_packet_get_byte(packet, &in_value);
SOL_INT_CHECK(r, < 0, r);
if (port_in) {
mdata->in1 = in_value;
mdata->in1_init = true;
} else {
mdata->in0 = in_value;
mdata->in0_init = true;
}
if (!(mdata->in0_init && mdata->in1_init))
return 0;
out_value = func(mdata->in0, mdata->in1);
return sol_flow_send_byte_packet(node, port_out, out_value);
}
static int
validate_shift(const struct sol_flow_packet *packet)
{
unsigned char in;
int r;
r = sol_flow_packet_get_byte(packet, &in);
SOL_INT_CHECK(r, < 0, r);
if (in > (CHAR_BIT - 1))
return -EINVAL;
return 0;
}
static int
byte_writer_process(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
struct unix_socket_data *mdata = data;
uint8_t val;
int r;
r = sol_flow_packet_get_byte(packet, &val);
SOL_INT_CHECK(r, < 0, r);
return unix_socket_write(mdata->un_socket, &val, sizeof(val));
}
static int
not_process(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
int r;
unsigned char in_value;
unsigned char out_value;
r = sol_flow_packet_get_byte(packet, &in_value);
SOL_INT_CHECK(r, < 0, r);
out_value = ~in_value;
return sol_flow_send_byte_packet(node, SOL_FLOW_NODE_TYPE_BYTE_BITWISE_NOT__OUT__OUT, out_value);
}
static int
segments_set(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
int r;
unsigned char in_value;
r = sol_flow_packet_get_byte(packet, &in_value);
SOL_INT_CHECK(r, < 0, r);
r = write_byte(data, node, in_value);
SOL_INT_CHECK(r, < 0, r);
return 0;
}
static int
byte_filter_process(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
unsigned char value;
int r;
struct byte_filter_data *mdata = data;
r = sol_flow_packet_get_byte(packet, &value);
SOL_INT_CHECK(r, < 0, r);
if (value >= mdata->min && value <= mdata->max ) {
return sol_flow_send_byte_packet(node, SOL_FLOW_NODE_TYPE_BYTE_FILTER__OUT__OUT, value);
}
return 0;
}
static int
segments_set(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
unsigned char byte;
int r;
struct segments_ctl_data *mdata = sol_flow_node_get_private_data(node);
if (mdata->needs_clear) {
_clear(node);
mdata->needs_clear = false;
}
r = sol_flow_packet_get_byte(packet, &byte);
SOL_INT_CHECK(r, < 0, r);
_write_byte(node, _convert_order(byte));
return 0;
}
static int
byte_writer_process(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
struct ipm_data *mdata = data;
unsigned char in_value;
struct sol_blob *blob;
int r;
r = sol_flow_packet_get_byte(packet, &in_value);
SOL_INT_CHECK(r, < 0, r);
blob = SOL_BLOB_NEW_DUP(in_value);
SOL_NULL_CHECK(blob, -ENOMEM);
SEND_BLOB(blob, mdata->id, node);
return 0;
}
static int
shift_left_process(struct sol_flow_node *node, void *data, uint16_t port, uint16_t conn_id, const struct sol_flow_packet *packet)
{
if (port == SOL_FLOW_NODE_TYPE_BYTE_SHIFT_LEFT__IN__SHIFT) {
int r = validate_shift(packet);
if (r < 0) {
int err;
unsigned char in;
err = sol_flow_packet_get_byte(packet, &in);
SOL_INT_CHECK(err, < 0, err);
sol_flow_send_error_packet(node, -r,
"Invalid values for a shift left operation: operation: %d. "
"Maximum is %d", in, (CHAR_BIT - 1));
return 0;
}
static void
inspector_show_packet_value(const struct sol_flow_packet *packet)
{
const struct sol_flow_packet_type *type = sol_flow_packet_get_type(packet);
if (type == SOL_FLOW_PACKET_TYPE_EMPTY) {
fputs("<empty>", stdout);
return;
} else if (type == SOL_FLOW_PACKET_TYPE_ANY) {
fputs("<any>", stdout);
return;
} else if (type == SOL_FLOW_PACKET_TYPE_ERROR) {
int code;
const char *msg;
if (sol_flow_packet_get_error(packet, &code, &msg) == 0) {
fprintf(stdout, "<error:%d \"%s\">", code, msg ? msg : "");
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_BOOL) {
bool v;
if (sol_flow_packet_get_bool(packet, &v) == 0) {
fprintf(stdout, "<%s>", v ? "true" : "false");
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_BYTE) {
unsigned char v;
if (sol_flow_packet_get_byte(packet, &v) == 0) {
fprintf(stdout, "<%#x>", v);
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_IRANGE) {
struct sol_irange v;
if (sol_flow_packet_get_irange(packet, &v) == 0) {
fprintf(stdout, "<val:%d|min:%d|max:%d|step:%d>",
v.val, v.min, v.max, v.step);
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_DRANGE) {
struct sol_drange v;
if (sol_flow_packet_get_drange(packet, &v) == 0) {
fprintf(stdout, "<val:%g|min:%g|max:%g|step:%g>",
v.val, v.min, v.max, v.step);
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_STRING) {
const char *v;
if (sol_flow_packet_get_string(packet, &v) == 0) {
fprintf(stdout, "<\"%s\">", v);
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_BLOB) {
struct sol_blob *v;
if (sol_flow_packet_get_blob(packet, &v) == 0) {
fprintf(stdout, "<mem=%p|size=%zd|refcnt=%hu|type=%p|parent=%p>",
v->mem, v->size, v->refcnt, v->type, v->parent);
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_JSON_OBJECT) {
struct sol_blob *v;
if (sol_flow_packet_get_json_object(packet, &v) == 0) {
fprintf(stdout, "<%.*s>",
SOL_STR_SLICE_PRINT(sol_str_slice_from_blob(v)));
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_JSON_ARRAY) {
struct sol_blob *v;
if (sol_flow_packet_get_json_array(packet, &v) == 0) {
fprintf(stdout, "<%.*s>",
SOL_STR_SLICE_PRINT(sol_str_slice_from_blob(v)));
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_RGB) {
struct sol_rgb v;
if (sol_flow_packet_get_rgb(packet, &v) == 0) {
fprintf(stdout,
"<red=%u|green=%u|blue=%u"
"|red_max=%u|green_max=%u|blue_max=%u>",
v.red, v.green, v.blue,
v.red_max, v.green_max, v.blue_max);
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_DIRECTION_VECTOR) {
struct sol_direction_vector v;
if (sol_flow_packet_get_direction_vector(packet, &v) == 0) {
fprintf(stdout,
"<x=%g|y=%g|z=%g|min=%g|max=%g>",
v.x, v.y, v.z, v.min, v.max);
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_LOCATION) {
struct sol_location v;
if (sol_flow_packet_get_location(packet, &v) == 0) {
fprintf(stdout, "<lat=%g|lon=%g|alt=%g>", v.lat, v.lon, v.alt);
return;
}
} else if (type == SOL_FLOW_PACKET_TYPE_TIMESTAMP) {
struct timespec v;
if (sol_flow_packet_get_timestamp(packet, &v) == 0) {
struct tm cur_time;
char buf[32];
tzset();
if (gmtime_r(&v.tv_sec, &cur_time)) {
if (strftime(buf, sizeof(buf), "%Y-%m-%dT%H:%M:%SZ",
&cur_time) > 0) {
fprintf(stdout, "<%s>", buf);
return;
}
}
}
} else if (type == SOL_FLOW_PACKET_TYPE_HTTP_RESPONSE) {
int code;
const char *url, *content_type;
const struct sol_blob *content;
struct sol_vector headers, cookies;
if (sol_flow_packet_get_http_response(packet, &code, &url,
&content_type, &content, &cookies, &headers) == 0) {
fprintf(stdout, "<response_code:%d|content type:%s|url:%s|",
code, content_type, url);
fprintf(stdout, "|cookies: {");
inpector_print_key_value_array(&cookies);
fprintf(stdout, "}|headers:{");
inpector_print_key_value_array(&headers);
fprintf(stdout,
"}|content:{mem=%p|size=%zd|refcnt=%hu|type=%p|parent=%p}>",
content->mem, content->size, content->refcnt,
content->type, content->parent);
}
return;
}
fputs("<?>", stdout);
}