cc: Use trunnel extension for ntorv3 circ parameters

Signed-off-by: David Goulet <dgoulet@torproject.org>

1 files changed, 67 insertions, 0 deletions

diff --git a/src/trunnel/congestion_control.h b/src/trunnel/congestion_control.h
new file mode 100644
index 0000000000..0cc21a1db5
--- /dev/null
+++ b/src/trunnel/congestion_control.h
@@ -0,0 +1,67 @@
+/* congestion_control.h -- generated by Trunnel v1.5.3.
+ * https://gitweb.torproject.org/trunnel.git
+ * You probably shouldn't edit this file.
+ */
+#ifndef TRUNNEL_CONGESTION_CONTROL_H
+#define TRUNNEL_CONGESTION_CONTROL_H
+
+#include <stdint.h>
+#include "trunnel.h"
+
+#define TRUNNEL_EXT_TYPE_CC_FIELD_REQUEST 1
+#define TRUNNEL_EXT_TYPE_CC_FIELD_RESPONSE 2
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_TRN_EXTENSION_FIELD_CC)
+struct trn_extension_field_cc_st {
+  uint8_t sendme_inc;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct trn_extension_field_cc_st trn_extension_field_cc_t;
+/** Return a newly allocated trn_extension_field_cc with all elements
+ * set to zero.
+ */
+trn_extension_field_cc_t *trn_extension_field_cc_new(void);
+/** Release all storage held by the trn_extension_field_cc in
+ * 'victim'. (Do nothing if 'victim' is NULL.)
+ */
+void trn_extension_field_cc_free(trn_extension_field_cc_t *victim);
+/** Try to parse a trn_extension_field_cc from the buffer in 'input',
+ * using up to 'len_in' bytes from the input buffer. On success,
+ * return the number of bytes consumed and set *output to the newly
+ * allocated trn_extension_field_cc_t. On failure, return -2 if the
+ * input appears truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t trn_extension_field_cc_parse(trn_extension_field_cc_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * trn_extension_field_cc in 'obj'. On failure, return a negative
+ * value. Note that this value may be an overestimate, and can even be
+ * an underestimate for certain unencodeable objects.
+ */
+ssize_t trn_extension_field_cc_encoded_len(const trn_extension_field_cc_t *obj);
+/** Try to encode the trn_extension_field_cc from 'input' into the
+ * buffer at 'output', using up to 'avail' bytes of the output buffer.
+ * On success, return the number of bytes used. On failure, return -2
+ * if the buffer was not long enough, and -1 if the input was invalid.
+ */
+ssize_t trn_extension_field_cc_encode(uint8_t *output, size_t avail, const trn_extension_field_cc_t *input);
+/** Check whether the internal state of the trn_extension_field_cc in
+ * 'obj' is consistent. Return NULL if it is, and a short message if
+ * it is not.
+ */
+const char *trn_extension_field_cc_check(const trn_extension_field_cc_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int trn_extension_field_cc_clear_errors(trn_extension_field_cc_t *obj);
+/** Return the value of the sendme_inc field of the
+ * trn_extension_field_cc_t in 'inp'
+ */
+uint8_t trn_extension_field_cc_get_sendme_inc(const trn_extension_field_cc_t *inp);
+/** Set the value of the sendme_inc field of the
+ * trn_extension_field_cc_t in 'inp' to 'val'. Return 0 on success;
+ * return -1 and set the error code on 'inp' on failure.
+ */
+int trn_extension_field_cc_set_sendme_inc(trn_extension_field_cc_t *inp, uint8_t val);
+
+
+#endif