1 files changed, 91 insertions, 0 deletions
diff --git a/src/im-asapo.h b/src/im-asapo.h
new file mode 100644
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--- /dev/null
+++ b/src/im-asapo.h
@@ -0,0 +1,91 @@
+/*
+ * im-asapo.h
+ *
+ * ASAP::O data interface
+ *
+ * Copyright © 2021-2022 Deutsches Elektronen-Synchrotron DESY,
+ *                       a research centre of the Helmholtz Association.
+ *
+ * Authors:
+ *   2021-2022 Thomas White <taw@physics.org>
+ *
+ * This file is part of CrystFEL.
+ *
+ * CrystFEL is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * CrystFEL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with CrystFEL.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+
+#ifndef CRYSTFEL_ASAPO_H
+#define CRYSTFEL_ASAPO_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#if defined(HAVE_ASAPO)
+
+extern struct im_asapo *im_asapo_connect(const char *endpoint,
+                                         const char *token,
+                                         const char *beamtime,
+                                         const char *group_id,
+                                         const char *data_source,
+                                         const char *stream);
+
+extern void im_asapo_shutdown(struct im_asapo *a);
+
+extern void *im_asapo_fetch(struct im_asapo *a, size_t *pdata_size,
+                            char **pmeta, char **pfilename, char **pevent,
+                            int *pfinished);
+
+extern char *im_asapo_make_unique_group_id(const char *endpoint,
+                                           const char *token);
+
+#else /* defined(HAVE_ASAPO) */
+
+static UNUSED struct im_asapo *im_asapo_connect(const char *endpoint,
+                                                const char *token,
+                                                const char *beamtime,
+                                                const char *group_id,
+                                                const char *data_source,
+                                                const char *stream)
+{
+	return NULL;
+}
+
+static UNUSED void im_asapo_shutdown(struct im_asapo *a)
+{
+}
+
+static UNUSED void *im_asapo_fetch(struct im_asapo *a, size_t *psize,
+                                   char **pmeta, char **pfilename, char **pevent,
+                                   int *pfinished)
+{
+	*psize = 0;
+	*pmeta = NULL;
+	*pfilename = NULL;
+	*pevent = NULL;
+	*pfinished = 1;
+	return NULL;
+}
+
+static char *im_asapo_make_unique_group_id(const char *endpoint,
+                                           const char *token)
+{
+	return NULL;
+}
+
+#endif /* defined(HAVE_ASAPO) */
+
+#endif /* CRYSTFEL_ASAPO_H */