static GByteArray*
_download_to_gba(ne_session *session, const gchar *path_url, GError **error)
{
GByteArray *gba;
ne_request *http_request;
DEBUG("About to download [%s] into a memory buffer", path_url);
gba = g_byte_array_new();
http_request = _build_request(session, path_url);
ne_add_response_body_reader(http_request, ne_accept_2xx, read_to_gba, gba);
switch (ne_request_dispatch(http_request)) {
case NE_OK:
if (ne_get_status(http_request)->klass != 2) {
GSETERROR (error, "Failed to download '%s': %s", path_url, ne_get_error(session));
g_byte_array_free(gba, TRUE);
gba = NULL;
}
break;
case NE_AUTH:
case NE_CONNECT:
case NE_TIMEOUT:
case NE_ERROR:
default:
GSETERROR(error,"Failed download '%s': %s", path_url, ne_get_error(session));
g_byte_array_free(gba, TRUE);
gba = NULL;
break;
}
ne_request_destroy(http_request);
return gba;
}
ne_decompress *ne_decompress_reader(ne_request *req, ne_accept_response acpt,
ne_block_reader rdr, void *userdata)
{
ne_add_response_body_reader(req, acpt, rdr, userdata);
/* an arbitrary return value: don't confuse them by returning NULL. */
return (ne_decompress *)req;
}
static void install_content_reader( ne_request *req, void *userdata, const ne_status *status )
{
const char *enc = NULL;
struct transfer_context *writeCtx = userdata;
(void) status;
if( !writeCtx ) {
DEBUG_WEBDAV("Error: install_content_reader called without valid write context!");
return;
}
enc = ne_get_response_header( req, "Content-Encoding" );
if( status && status->code != 200 ) {
DEBUG_WEBDAV("Content encoding ist <%s> with status %d", enc ? enc : "empty",
status ? status->code : -1 );
}
if( enc && c_streq( enc, "gzip" )) {
writeCtx->decompress = ne_decompress_reader( req, ne_accept_2xx,
compress_reader, /* reader callback */
(void*) writeCtx ); /* userdata */
} else {
ne_add_response_body_reader( req, ne_accept_2xx,
uncompress_reader,
(void*) writeCtx );
writeCtx->decompress = NULL;
}
}
void get(const StringSlice& url, WriteTarget out) {
static int inited = ne_sock_init();
if (inited != 0) {
throw Exception("ne_sock_init()");
}
CString cstr(url);
ne_uri uri = {};
if (ne_uri_parse(cstr.data(), &uri)) {
throw Exception("ne_uri_parse()");
}
if (uri.port == 0) {
uri.port = ne_uri_defaultport(uri.scheme);
}
unique_ptr<ne_uri, decltype(&ne_uri_free)> uri_free(&uri, ne_uri_free);
unique_ptr<ne_session, decltype(&ne_session_destroy)> sess(
ne_session_create(uri.scheme, uri.host, uri.port), ne_session_destroy);
unique_ptr<ne_request, decltype(&ne_request_destroy)> req(
ne_request_create(sess.get(), "GET", uri.path), ne_request_destroy);
ne_userdata userdata = {out};
ne_add_response_body_reader(req.get(), accept, reader, &userdata);
auto err = ne_request_dispatch(req.get());
if (err != NE_OK) {
throw Exception("ne_request_dispatch()");
}
auto* st = ne_get_status(req.get());
if (st->code != 200) {
throw Exception(st->code);
}
}
WebGrep::IssuedRequest Client::issueRequest(const char* method, const char* path, bool withLock)
{
std::shared_ptr<std::lock_guard<std::mutex>> lk;
if (withLock) {
lk = std::make_shared<std::lock_guard<std::mutex>>(ctx->mu);
}
ctx->response.clear();
auto rq = ne_request_create(ctx->sess, method, path);
ne_add_response_body_reader(rq, ne_accept_always, httpResponseReader, (void*)ctx.get());
IssuedRequest out;
out.ctx = ctx;
out.req = std::shared_ptr<ne_request>(rq, [out](ne_request* ptr){ne_request_destroy(ptr);} );
return out;
}
ne_decompress *ne_decompress_reader(ne_request *req, ne_accept_response acpt,
ne_block_reader rdr, void *userdata)
{
ne_decompress *ctx = ne_calloc(sizeof *ctx);
ne_add_request_header(req, "Accept-Encoding", "gzip");
ne_add_response_body_reader(req, gz_acceptor, gz_reader, ctx);
ctx->reader = rdr;
ctx->userdata = userdata;
ctx->session = ne_get_session(req);
ctx->request = req;
ctx->acceptor = acpt;
ne__reqhook_pre_send(req, gz_pre_send, ctx);
return ctx;
}
/* Attach READER as a response reader for the request REQ, with the
* acceptance function ACCPT. The response body data will be decompressed,
* if compressed, before being passed to READER. USERDATA will be passed as
* the first argument to the acceptance and reader callbacks. */
static void
attach_ne_body_reader(svn_ra_neon__request_t *req,
ne_accept_response accpt,
ne_block_reader reader,
void *userdata)
{
if (req->sess->compression)
{
ne_decompress *decompress =
ne_decompress_reader(req->ne_req, accpt, reader, userdata);
apr_pool_cleanup_register(req->pool,
decompress,
compressed_body_reader_cleanup,
apr_pool_cleanup_null);
}
else
ne_add_response_body_reader(req->ne_req, accpt, reader, userdata);
}
static gboolean
_download_to_file(ne_session *session, const gchar *path_url, const gchar *path_local, GError **error)
{
gchar *dirname, path_tmp[2048];
gboolean rc = FALSE;
int rc_dispatch;
FILE *stream_out;
ne_request *http_request;
g_snprintf(path_tmp, sizeof(path_tmp), "%s.%d.%ld", path_local, getpid(), time(0));
DEBUG("About to download [%s] into [%s]", path_url, path_tmp);
/*create the destination*/
dirname = g_path_get_dirname(path_tmp);
if (!dirname) {
GSETERROR(error,"Failed to extract the dirname of '%s'", path_tmp);
return FALSE;
}
if (-1 == g_mkdir_with_parents(dirname,0755)) {
g_free(dirname);
GSETERROR(error,"Failed to create the dirname of '%s' : %s", path_tmp, strerror(errno));
return FALSE;
}
g_free(dirname);
/*open the destination*/
stream_out = fopen(path_tmp,"w");
if (!stream_out) {
GSETERROR(error,"Failed to open '%s' in write mode : %s", path_local, strerror(errno));
return FALSE;
}
http_request = _build_request(session, path_url);
ne_add_response_body_reader(http_request, ne_accept_2xx, read_to_stream, stream_out);
switch (rc_dispatch = ne_request_dispatch(http_request)) {
case NE_OK:
if (ne_get_status(http_request)->klass != 2) {
GSETERROR (error, "Failed to download '%s': %s", path_url, ne_get_error(session));
goto label_error;
}
break;
case NE_AUTH:
case NE_CONNECT:
case NE_TIMEOUT:
case NE_ERROR:
GSETERROR(error,"Failed download '%s' (rc=%d) : %s", path_url, rc_dispatch, ne_get_error(session));
goto label_error;
}
if (-1 == g_rename(path_tmp, path_local)) {
GSETERROR(error,"Failed to commit the temporary download file '%s' : %s", path_tmp, strerror(errno));
goto label_error;
}
g_chmod(path_local,0644);
DEBUG("Download of '%s' succeeded", path_url);
rc = TRUE;
label_error:
ne_request_destroy(http_request);
fclose(stream_out);
if (g_file_test(path_tmp, G_FILE_TEST_IS_REGULAR))
g_remove(path_tmp);
return rc;
}
GHashTable *
rawx_client_get_statistics(rawx_session_t * session, const gchar *url, GError ** err)
{
int rc;
gchar str_addr[64];
gsize str_addr_size;
GHashTable *parsed = NULL;
GHashTable *result = NULL;
GByteArray *buffer = NULL;
ne_request *request = NULL;
if (!session || !url) {
GSETERROR(err, "Invalid parameter");
return NULL;
}
ne_set_connect_timeout(session->neon_session, session->timeout.cnx / 1000);
ne_set_read_timeout(session->neon_session, session->timeout.req / 1000);
request = ne_request_create(session->neon_session, "GET", url);
if (!request) {
GSETERROR(err, "neon request creation error");
return NULL;
}
buffer = g_byte_array_new();
ne_add_response_body_reader(request, ne_accept_2xx, body_reader, buffer);
switch (rc = ne_request_dispatch(request)) {
case NE_OK:
if (ne_get_status(request)->klass != 2) {
GSETERROR(err, "RAWX returned an error");
goto exit;
}
else if (!(parsed = body_parser(buffer, err))) {
GSETERROR(err, "No statistics from the RAWX server");
goto exit;
}
break;
case NE_ERROR:
case NE_TIMEOUT:
case NE_CONNECT:
case NE_AUTH:
str_addr_size = addr_info_to_string(&(session->addr), str_addr, sizeof(str_addr));
GSETERROR(err, "cannot download the stats from [%.*s]' (%s)",
(int)str_addr_size, str_addr, ne_get_error(session->neon_session));
goto exit;
default:
GSETERROR(err, "Unexpected return code from the neon library : %d", rc);
goto exit;
}
result = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
g_hash_table_foreach(parsed, _convert_string_to_double, result);
exit:
if (buffer != NULL)
g_byte_array_free(buffer, TRUE);
if (request != NULL)
ne_request_destroy(request);
if (parsed != NULL)
g_hash_table_destroy(parsed);
return result;
}
gboolean
rawx_client_get_directory_data(rawx_session_t * session, hash_sha256_t chunk_id, struct content_textinfo_s *content,
struct chunk_textinfo_s *chunk, GError ** error)
{
int rc;
gchar str_addr[64];
gsize str_addr_size;
gchar str_req[2048];
gchar str_chunk_id[(sizeof(hash_sha256_t) * 2) + 1];
GHashTable *result = NULL;
GByteArray *buffer = NULL;
ne_request *request = NULL;
if (!session) {
GSETERROR(error, "Invalid parameter");
return FALSE;
}
memset(str_chunk_id, '\0', sizeof(str_chunk_id));
oio_str_bin2hex(chunk_id, sizeof(hash_sha256_t), str_chunk_id, sizeof(str_chunk_id));
memset(str_req, '\0', sizeof(str_req));
snprintf(str_req, sizeof(str_req) - 1, "%s/%s", RAWX_REQ_GET_DIRINFO, str_chunk_id);
ne_set_connect_timeout(session->neon_session, session->timeout.cnx / 1000);
ne_set_read_timeout(session->neon_session, session->timeout.req / 1000);
request = ne_request_create(session->neon_session, "HEAD", str_req);
if (!request) {
GSETERROR(error, "neon request creation error");
return FALSE;
}
buffer = g_byte_array_new();
ne_add_response_body_reader(request, ne_accept_2xx, body_reader, buffer);
switch (rc = ne_request_dispatch(request)) {
case NE_OK:
if (ne_get_status(request)->klass != 2) {
GSETERROR(error, "RAWX returned an error %d : %s",
ne_get_status(request)->code, ne_get_status(request)->reason_phrase);
goto error;
}
else if (!(result = header_parser(request))) {
GSETERROR(error, "No attr from the RAWX server");
goto error;
}
break;
case NE_ERROR:
case NE_TIMEOUT:
case NE_CONNECT:
case NE_AUTH:
str_addr_size = addr_info_to_string(&(session->addr), str_addr, sizeof(str_addr));
GSETERROR(error, "cannot download the data from [%.*s]' (%s)",
(int)str_addr_size, str_addr, ne_get_error(session->neon_session));
goto error;
default:
GSETERROR(error, "Unexpected return code from the neon library : %d", rc);
goto error;
}
g_byte_array_free(buffer, TRUE);
ne_request_destroy(request);
/* Fill the textinfo structs */
parse_chunkinfo_from_rawx(result, content, chunk);
g_hash_table_destroy(result);
return TRUE;
error:
g_byte_array_free(buffer, TRUE);
ne_request_destroy(request);
return FALSE;
}
