static int
hostname_start(const struct sol_platform_linux_micro_module *mod, const char *service)
{
struct sol_file_reader *reader;
struct sol_str_slice str;
const char *s, *p, *end;
int err = 0;
reader = sol_file_reader_open("/etc/hostname");
SOL_NULL_CHECK_MSG(reader, -errno, "could not read /etc/hostname");
str = sol_file_reader_get_all(reader);
s = p = str.data;
end = s + str.len;
for (; s < end; s++) {
if (!isblank(*s))
break;
}
for (p = end - 1; p > s; p--) {
if (!isblank(*p))
break;
}
if (s >= p) {
SOL_WRN("no hostname in /etc/hostname");
err = -ENOENT;
} else if (sethostname(s, p - s) < 0) {
SOL_WRN("could not set hostname: %s", sol_util_strerrora(errno));
err = -errno;
}
sol_file_reader_close(reader);
if (err == 0)
sol_platform_linux_micro_inform_service_state(service, SOL_PLATFORM_SERVICE_STATE_ACTIVE);
else
sol_platform_linux_micro_inform_service_state(service, SOL_PLATFORM_SERVICE_STATE_FAILED);
return err;
}
static int
read_file(void *data, const char *name, const char **buf, size_t *size)
{
struct runner *r = data;
struct sol_file_reader *fr = NULL;
struct sol_str_slice slice;
char *path;
int err;
err = asprintf(&path, "%s/%s", r->dirname, name);
if (err < 0) {
err = -ENOMEM;
goto error;
}
fr = sol_file_reader_open(path);
if (!fr) {
err = -errno;
SOL_ERR("Couldn't open input file '%s': %s", path, sol_util_strerrora(errno));
goto error;
}
err = sol_ptr_vector_append(&r->file_readers, fr);
if (err < 0)
goto error;
free(path);
slice = sol_file_reader_get_all(fr);
*buf = slice.data;
*size = slice.len;
return 0;
error:
free(path);
if (fr)
sol_file_reader_close(fr);
return err;
}
static int
file_reader_load(struct file_reader_data *mdata)
{
struct sol_file_reader *reader;
struct sol_str_slice slice;
if (!mdata->path)
return 0;
reader = sol_file_reader_open(mdata->path);
if (!reader) {
sol_flow_send_error_packet(mdata->node, errno,
"Could not load \"%s\": %s", mdata->path, sol_util_strerrora(errno));
return -errno;
}
slice = sol_file_reader_get_all(reader);
SOL_DBG("loaded path=\"%s\", data=%p, len=%zd", mdata->path, slice.data, slice.len);
mdata->reader_blob = sol_blob_new(&file_reader_blob_type, NULL,
reader, sizeof(reader));
SOL_NULL_CHECK_GOTO(mdata->reader_blob, err_reader);
mdata->content_blob = sol_blob_new(SOL_BLOB_TYPE_NOFREE,
mdata->reader_blob,
slice.data, slice.len);
SOL_NULL_CHECK_GOTO(mdata->content_blob, err_content);
return sol_flow_send_blob_packet(mdata->node,
SOL_FLOW_NODE_TYPE_FILE_READER__OUT__OUT,
mdata->content_blob);
err_content:
sol_blob_unref(mdata->reader_blob);
err_reader:
sol_file_reader_close(reader);
return -ENOMEM;
}
static void
startup(void)
{
const char *algorithm = "sha256";
const char *key = NULL;
char **argv = sol_argv();
int i, argc = sol_argc();
size_t chunk_size = -1;
if (argc < 2) {
fprintf(stderr,
"Usage:\n\t%s [-a <algorithm>] [-c chunk_size] [-k key] <file1> .. <fileN>\n", argv[0]);
sol_quit_with_code(EXIT_FAILURE);
return;
}
for (i = 1; i < argc; i++) {
struct feed_ctx *ctx;
struct sol_message_digest_config cfg = {
SOL_SET_API_VERSION(.api_version = SOL_MESSAGE_DIGEST_CONFIG_API_VERSION, )
.algorithm = algorithm,
.on_feed_done = on_feed_done,
.on_digest_ready = on_digest_ready,
};
struct sol_file_reader *fr;
struct sol_blob *blob;
struct sol_message_digest *mdh;
int r;
if (argv[i][0] == '-') {
if (argv[i][1] == 'a') {
if (i + 1 < argc) {
algorithm = argv[i + 1];
i++;
continue;
} else
fputs("ERROR: argument -a missing value.\n", stderr);
} else if (argv[i][1] == 'k') {
if (i + 1 < argc) {
key = argv[i + 1];
i++;
continue;
} else
fputs("ERROR: argument -a missing value.\n", stderr);
} else if (argv[i][1] == 'c') {
if (i + 1 < argc) {
chunk_size = atoi(argv[i + 1]);
i++;
continue;
} else
fputs("ERROR: argument -c missing value.\n", stderr);
} else
fprintf(stderr, "ERROR: unknown option %s\n", argv[i]);
sol_quit_with_code(EXIT_FAILURE);
return;
}
fr = sol_file_reader_open(argv[i]);
if (!fr) {
fprintf(stderr, "ERROR: could not open file '%s': %s\n",
argv[i], sol_util_strerrora(errno));
continue;
}
blob = sol_file_reader_to_blob(fr);
if (!blob) {
fprintf(stderr, "ERROR: could not create blob for file '%s'\n",
argv[i]);
continue;
}
cfg.data = ctx = calloc(1, sizeof(struct feed_ctx));
if (!ctx) {
fprintf(stderr, "ERROR: could not allocate context memory "
"to process file '%s'\n", argv[i]);
sol_blob_unref(blob);
continue;
}
ctx->file = argv[i];
ctx->start = sol_util_timespec_get_current();
ctx->done = 0;
ctx->chunk_size = chunk_size;
if (key)
cfg.key = sol_str_slice_from_str(key);
mdh = sol_message_digest_new(&cfg);
if (!mdh) {
fprintf(stderr, "ERROR: could not create message digest for "
" algorithm \"%s\": %s\n",
algorithm, sol_util_strerrora(errno));
sol_blob_unref(blob);
free(ctx);
continue;
}
if (chunk_size <= 0) {
r = sol_message_digest_feed(mdh, blob, true);
if (r < 0) {
fprintf(stderr, "ERROR: could not feed message for "
" algorithm \"%s\": %s\n",
algorithm, sol_util_strerrora(-r));
sol_blob_unref(blob);
sol_message_digest_del(mdh);
free(ctx);
continue;
}
} else {
size_t offset = 0;
while (offset < blob->size) {
size_t remaining = blob->size - offset;
size_t clen = remaining > chunk_size ? chunk_size : remaining;
uint8_t *cmem = (uint8_t *)blob->mem + offset;
bool is_last = offset + clen == blob->size;
struct sol_blob *chunk = sol_blob_new(&SOL_BLOB_TYPE_NO_FREE_DATA,
blob, cmem, clen);
if (!chunk) {
fprintf(stderr, "ERROR: could not create chunk blob at "
"mem %p, size=%zd\n", cmem, clen);
sol_blob_unref(blob);
sol_message_digest_del(mdh);
free(ctx);
continue;
}
r = sol_message_digest_feed(mdh, chunk, is_last);
if (r < 0) {
fprintf(stderr, "ERROR: could not feed chunk for "
" algorithm \"%s\": %s\n",
algorithm, sol_util_strerrora(-r));
sol_blob_unref(blob);
sol_blob_unref(chunk);
sol_message_digest_del(mdh);
free(ctx);
continue;
}
sol_blob_unref(chunk);
offset += clen;
}
}
sol_blob_unref(blob);
pending++;
}