static int
string_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;
const char *val;
size_t len;
int r;
r = sol_flow_packet_get_string(packet, &val);
SOL_INT_CHECK(r, < 0, r);
len = strlen(val);
if (unix_socket_write(mdata->un_socket, &len, sizeof(len)) < 0) {
SOL_WRN("Failed to write the string length");
return -1;
}
return unix_socket_write(mdata->un_socket, val, len);
}
static int
float_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;
int r;
double val;
r = sol_flow_packet_get_drange_value(packet, &val);
SOL_INT_CHECK(r, < 0, r);
return unix_socket_write(mdata->un_socket, &val, sizeof(val));
}
static int
direction_vector_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;
struct sol_direction_vector direction_vector;
int r;
r = sol_flow_packet_get_direction_vector(packet, &direction_vector);
SOL_INT_CHECK(r, < 0, r);
return unix_socket_write(mdata->un_socket, &direction_vector, sizeof(direction_vector));
}
static int
rgb_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;
struct sol_rgb rgb;
int r;
r = sol_flow_packet_get_rgb(packet, &rgb);
SOL_INT_CHECK(r, < 0, r);
return unix_socket_write(mdata->un_socket, &rgb, sizeof(rgb));
}
/*
* 1 All data succesfully sent
* 0 Partial send (no error)
* -1 End of connection
* -2 Unhandled error
*/
int
unix_socket_client_io_write(struct unix_socket_client *client)
{
ssize_t sent;
size_t to_send;
int res;
res = 0;
to_send = dynar_size(&client->send_buffer) - client->msg_already_sent_bytes;
if (to_send > UNIX_SOCKET_CLIENT_BUFFER) {
to_send = UNIX_SOCKET_CLIENT_BUFFER;
}
sent = unix_socket_write(client->socket,
dynar_data(&client->send_buffer) + client->msg_already_sent_bytes,
to_send);
if (sent > 0) {
client->msg_already_sent_bytes += sent;
if (client->msg_already_sent_bytes == dynar_size(&client->send_buffer)) {
return (1);
}
}
if (sent == 0) {
res = -1;
}
if (sent < 0 && errno != EAGAIN && errno != EWOULDBLOCK && errno != EINTR) {
res = -2;
}
return (res);
}