static bool
producer_make_data(void *data)
{
void *v;
size_t size;
struct sol_blob *blob;
struct sol_buffer buf = SOL_BUFFER_INIT_EMPTY;
static uint16_t packets_created = 0;
bool keep_running = true;
int r;
//Stop the production until the pendind blob is sent
if (pending_blob) {
printf("Waiting for blob data: %.*s to be transfered.\n",
SOL_STR_SLICE_PRINT(sol_str_slice_from_blob(pending_blob)));
return true;
}
packets_created++;
//Generate data
if (packets_created != MAX_PACKETS)
r = sol_util_uuid_gen(true, true, &buf);
else {
r = sol_buffer_append_slice(&buf, sol_str_slice_from_str("close"));
keep_running = false;
}
if (r < 0) {
fprintf(stderr, "Could not create the UUID - Reason: %s\n",
sol_util_strerrora(-r));
goto err_exit;
}
v = sol_buffer_steal(&buf, &size);
blob = sol_blob_new(&SOL_BLOB_TYPE_DEFAULT, NULL,
v, size + 1);
if (!blob) {
fprintf(stderr, "Could not alloc memory for the blob\n");
goto err_exit;
}
//Send it
if (!send_blob(blob))
goto err_exit;
if (!keep_running)
goto exit;
return true;
err_exit:
sol_quit();
exit:
producer_timeout = NULL;
return false;
}
struct sol_file_reader *
sol_file_reader_open(const char *filename)
{
int fd = -1, saved_errno;
struct sol_file_reader *fr, *result = NULL;
struct sol_buffer *buffer;
size_t size;
fr = malloc(sizeof(*fr));
if (!fr)
return NULL;
fr->mmapped = false;
fd = open(filename, O_RDONLY | O_CLOEXEC);
if (fd < 0)
goto err;
if (fstat(fd, &fr->st) < 0)
goto err;
fr->contents = mmap(NULL, fr->st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (fr->contents != MAP_FAILED) {
fr->mmapped = true;
goto success;
} else if (errno == ENOMEM) {
goto err;
}
buffer = sol_util_load_file_raw(fd);
if (!buffer)
goto err;
fr->contents = sol_buffer_steal(buffer, &size);
fr->st.st_size = size;
free(buffer);
success:
result = fr;
fr = NULL;
err:
saved_errno = errno;
free(fr);
if (fd >= 0)
close(fd);
errno = saved_errno;
return result;
}
static int
child_read(struct sol_blob **p_blob, bool *eof, int fd)
{
struct sol_buffer buf = SOL_BUFFER_INIT_EMPTY;
struct timespec start = sol_util_timespec_get_current();
size_t size;
void *v;
int ret = 0;
*eof = false;
do {
struct timespec now = sol_util_timespec_get_current();
struct timespec elapsed;
ssize_t r;
sol_util_timespec_sub(&now, &start, &elapsed);
if (elapsed.tv_sec > 0 ||
elapsed.tv_nsec > (time_t)CHUNK_MAX_TIME_NS)
break;
r = sol_util_fill_buffer(fd, &buf, CHUNK_READ_SIZE);
if (r == 0) {
*eof = true;
break;
} else if (r < 0) {
/* Not a problem if failed because buffer could not be increased */
if (r != -ENOMEM)
ret = -errno;
break;
}
} while (1);
if (ret < 0 && ret != -EAGAIN) {
sol_buffer_fini(&buf);
return ret;
}
v = sol_buffer_steal(&buf, &size);
*p_blob = sol_blob_new(&SOL_BLOB_TYPE_DEFAULT, NULL, v, size);
SOL_NULL_CHECK_GOTO(*p_blob, blob_error);
return 0;
blob_error:
sol_buffer_fini(&buf);
return -ENOMEM;
}
SOL_API void *
sol_buffer_steal_or_copy(struct sol_buffer *buf, size_t *size)
{
void *r;
SOL_NULL_CHECK(buf, NULL);
r = sol_buffer_steal(buf, size);
if (!r) {
r = sol_util_memdup(buf->data, buf->used);
SOL_NULL_CHECK(r, NULL);
if (size)
*size = buf->used;
}
return r;
}
SOL_API struct sol_file_reader *
sol_file_reader_from_fd(int fd)
{
int saved_errno;
struct sol_file_reader *fr, *result = NULL;
struct sol_buffer *buffer;
size_t size;
fr = malloc(sizeof(*fr));
SOL_NULL_CHECK(fr, NULL);
fr->mmapped = false;
if (fstat(fd, &fr->st) < 0)
goto err;
fr->contents = mmap(NULL, fr->st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (fr->contents != MAP_FAILED) {
fr->mmapped = true;
goto success;
} else if (errno == ENOMEM) {
goto err;
}
buffer = sol_util_load_file_fd_raw(fd);
if (!buffer)
goto err;
fr->contents = sol_buffer_steal(buffer, &size);
fr->st.st_size = size;
free(buffer);
success:
result = fr;
fr = NULL;
err:
saved_errno = errno;
free(fr);
errno = saved_errno;
return result;
}
/*
*----------------------- string --------------------------
*/
static void
string_read_data(void *data, int fd)
{
struct unix_socket_data *mdata = data;
struct sol_buffer buf = SOL_BUFFER_INIT_EMPTY;
char *str;
size_t len;
int r;
if (FILL_BUFFER(fd, len) < 0)
return;
r = sol_util_fill_buffer_exactly(fd, &buf, len);
if (r < 0)
goto end;
str = sol_buffer_steal(&buf, NULL);
sol_flow_send_string_take_packet(mdata->node,
SOL_FLOW_NODE_TYPE_UNIX_SOCKET_STRING_READER__OUT__OUT, str);
end:
sol_buffer_fini(&buf);
}
static int
light_resource_to_rep(const struct sol_coap_resource *resource,
bool state, struct sol_buffer *buf)
{
SOL_BUFFER_DECLARE_STATIC(buffer, 64);
int r;
r = sol_coap_uri_path_to_buf(resource->path, &buffer, 0, NULL);
SOL_INT_CHECK(r, < 0, r);
r = sol_buffer_append_printf(buf,
OC_CORE_ELEM_JSON_START, (char *)sol_buffer_steal(&buffer, NULL));
SOL_INT_CHECK(r, < 0, r);
r = sol_buffer_append_printf(buf,
OC_CORE_PROP_JSON_NUMBER, "power", 100);
SOL_INT_CHECK(r, < 0, r);
r = sol_buffer_append_printf(buf, OC_CORE_JSON_SEPARATOR);
SOL_INT_CHECK(r, < 0, r);
r = sol_buffer_append_printf(buf,
OC_CORE_PROP_JSON_STRING, "name", "Soletta LAMP!");
SOL_INT_CHECK(r, < 0, r);
r = sol_buffer_append_printf(buf, OC_CORE_JSON_SEPARATOR);
SOL_INT_CHECK(r, < 0, r);
r = sol_buffer_append_printf(buf,
OC_CORE_PROP_JSON_BOOLEAN, "state", state ? "true" : "false" );
SOL_INT_CHECK(r, < 0, r);
r = sol_buffer_append_printf(buf, OC_CORE_ELEM_JSON_END);
SOL_INT_CHECK(r, < 0, r);
return 0;
}
SOL_API char *
sol_util_load_file_fd_string(int fd, size_t *size)
{
int r;
size_t size_read;
char *data = NULL;
struct sol_buffer buf = SOL_BUFFER_INIT_EMPTY;
r = sol_util_load_file_fd_buffer(fd, &buf);
SOL_INT_CHECK_GOTO(r, < 0, err);
r = sol_buffer_trim(&buf);
SOL_INT_CHECK_GOTO(r, < 0, err);
data = sol_buffer_steal(&buf, &size_read);
SOL_NULL_CHECK_GOTO(data, err);
if (size)
*size = size_read;
return data;
err:
if (size)
*size = 0;
return NULL;
}
char *
sol_util_load_file_fd_string(int fd, size_t *size)
{
int saved_errno;
size_t size_read;
char *data = NULL;
struct sol_buffer *buffer = NULL;
buffer = sol_util_load_file_raw(fd);
if (!buffer) {
data = strdup("");
size_read = 1;
} else {
buffer->flags = SOL_BUFFER_FLAGS_DEFAULT;
if (sol_buffer_ensure_nul_byte(buffer) < 0)
goto err;
data = sol_buffer_steal(buffer, &size_read);
if (!data)
goto err;
}
sol_buffer_free(buffer);
if (size)
*size = size_read;
return data;
err:
saved_errno = errno;
free(data);
sol_buffer_free(buffer);
errno = saved_errno;
if (size)
*size = 0;
return NULL;
}