Extract download_status_t into its own header.

src/or/directory.c

@@ -5632,6 +5632,27 @@ download_status_reset(download_status_t *dls)
   /* Don't reset dls->want_authority or dls->increment_on */
 }
 
+/** Return true iff, as of <b>now</b>, the resource tracked by <b>dls</b> is
+ * ready to get its download reattempted. */
+int
+download_status_is_ready(download_status_t *dls, time_t now)
+{
+  /* dls wasn't reset before it was used */
+  if (dls->next_attempt_at == 0) {
+    download_status_reset(dls);
+  }
+
+  return download_status_get_next_attempt_at(dls) <= now;
+}
+
+/** Mark <b>dl</b> as never downloadable. */
+void
+download_status_mark_impossible(download_status_t *dl)
+{
+  dl->n_download_failures = IMPOSSIBLE_TO_DOWNLOAD;
+  dl->n_download_attempts = IMPOSSIBLE_TO_DOWNLOAD;
+}
+
 /** Return the number of failures on <b>dls</b> since the last success (if
  * any). */
 int

src/or/directory.h

@@ -134,30 +134,9 @@ time_t download_status_increment_attempt(download_status_t *dls,
                                     time(NULL))
 
 void download_status_reset(download_status_t *dls);
-static int download_status_is_ready(download_status_t *dls, time_t now);
+int download_status_is_ready(download_status_t *dls, time_t now);
 time_t download_status_get_next_attempt_at(const download_status_t *dls);
-
-/** Return true iff, as of <b>now</b>, the resource tracked by <b>dls</b> is
- * ready to get its download reattempted. */
-static inline int
-download_status_is_ready(download_status_t *dls, time_t now)
-{
-  /* dls wasn't reset before it was used */
-  if (dls->next_attempt_at == 0) {
-    download_status_reset(dls);
-  }
-
-  return download_status_get_next_attempt_at(dls) <= now;
-}
-
-static void download_status_mark_impossible(download_status_t *dl);
-/** Mark <b>dl</b> as never downloadable. */
-static inline void
-download_status_mark_impossible(download_status_t *dl)
-{
-  dl->n_download_failures = IMPOSSIBLE_TO_DOWNLOAD;
-  dl->n_download_attempts = IMPOSSIBLE_TO_DOWNLOAD;
-}
+void download_status_mark_impossible(download_status_t *dl);
 
 int download_status_get_n_failures(const download_status_t *dls);
 int download_status_get_n_attempts(const download_status_t *dls);

src/or/download_status_st.h

@@ -0,0 +1,65 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2017, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+#ifndef DOWNLOAD_STATUS_ST_H
+#define DOWNLOAD_STATUS_ST_H
+
+/** Information about our plans for retrying downloads for a downloadable
+ * directory object.
+ * Each type of downloadable directory object has a corresponding retry
+ * <b>schedule</b>, which can be different depending on whether the object is
+ * being downloaded from an authority or a mirror (<b>want_authority</b>).
+ * <b>next_attempt_at</b> contains the next time we will attempt to download
+ * the object.
+ * For schedules that <b>increment_on</b> failure, <b>n_download_failures</b>
+ * is used to determine the position in the schedule. (Each schedule is a
+ * smartlist of integer delays, parsed from a CSV option.) Every time a
+ * connection attempt fails, <b>n_download_failures</b> is incremented,
+ * the new delay value is looked up from the schedule, and
+ * <b>next_attempt_at</b> is set delay seconds from the time the previous
+ * connection failed. Therefore, at most one failure-based connection can be
+ * in progress for each download_status_t.
+ * For schedules that <b>increment_on</b> attempt, <b>n_download_attempts</b>
+ * is used to determine the position in the schedule. Every time a
+ * connection attempt is made, <b>n_download_attempts</b> is incremented,
+ * the new delay value is looked up from the schedule, and
+ * <b>next_attempt_at</b> is set delay seconds from the time the previous
+ * connection was attempted. Therefore, multiple concurrent attempted-based
+ * connections can be in progress for each download_status_t.
+ * After an object is successfully downloaded, any other concurrent connections
+ * are terminated. A new schedule which starts at position 0 is used for
+ * subsequent downloads of the same object.
+ */
+struct download_status_t {
+  time_t next_attempt_at; /**< When should we try downloading this object
+                           * again? */
+  uint8_t n_download_failures; /**< Number of failed downloads of the most
+                                * recent object, since the last success. */
+  uint8_t n_download_attempts; /**< Number of (potentially concurrent) attempts
+                                * to download the most recent object, since
+                                * the last success. */
+  download_schedule_bitfield_t schedule : 8; /**< What kind of object is being
+                                              * downloaded? This determines the
+                                              * schedule used for the download.
+                                              */
+  download_want_authority_bitfield_t want_authority : 1; /**< Is the download
+                                              * happening from an authority
+                                              * or a mirror? This determines
+                                              * the schedule used for the
+                                              * download. */
+  download_schedule_increment_bitfield_t increment_on : 1; /**< does this
+                                        * schedule increment on each attempt,
+                                        * or after each failure? */
+  uint8_t last_backoff_position; /**< number of attempts/failures, depending
+                                  * on increment_on, when we last recalculated
+                                  * the delay.  Only updated if backoff
+                                  * == 1. */
+  int last_delay_used; /**< last delay used for random exponential backoff;
+                        * only updated if backoff == 1 */
+};
+
+#endif
+

src/or/include.am

@@ -217,6 +217,7 @@ ORHEADERS = \
 	src/or/dir_connection_st.h			\
 	src/or/dir_server_st.h				\
 	src/or/document_signature_st.h			\
+	src/or/download_status_st.h			\
 	src/or/dns.h					\
 	src/or/dns_structs.h				\
 	src/or/dnsserv.h				\

src/or/or.h

@@ -1449,59 +1449,7 @@ typedef enum {
 #define download_schedule_increment_bitfield_t \
                                         ENUM_BF(download_schedule_increment_t)
 
-/** Information about our plans for retrying downloads for a downloadable
- * directory object.
- * Each type of downloadable directory object has a corresponding retry
- * <b>schedule</b>, which can be different depending on whether the object is
- * being downloaded from an authority or a mirror (<b>want_authority</b>).
- * <b>next_attempt_at</b> contains the next time we will attempt to download
- * the object.
- * For schedules that <b>increment_on</b> failure, <b>n_download_failures</b>
- * is used to determine the position in the schedule. (Each schedule is a
- * smartlist of integer delays, parsed from a CSV option.) Every time a
- * connection attempt fails, <b>n_download_failures</b> is incremented,
- * the new delay value is looked up from the schedule, and
- * <b>next_attempt_at</b> is set delay seconds from the time the previous
- * connection failed. Therefore, at most one failure-based connection can be
- * in progress for each download_status_t.
- * For schedules that <b>increment_on</b> attempt, <b>n_download_attempts</b>
- * is used to determine the position in the schedule. Every time a
- * connection attempt is made, <b>n_download_attempts</b> is incremented,
- * the new delay value is looked up from the schedule, and
- * <b>next_attempt_at</b> is set delay seconds from the time the previous
- * connection was attempted. Therefore, multiple concurrent attempted-based
- * connections can be in progress for each download_status_t.
- * After an object is successfully downloaded, any other concurrent connections
- * are terminated. A new schedule which starts at position 0 is used for
- * subsequent downloads of the same object.
- */
-typedef struct download_status_t {
-  time_t next_attempt_at; /**< When should we try downloading this object
-                           * again? */
-  uint8_t n_download_failures; /**< Number of failed downloads of the most
-                                * recent object, since the last success. */
-  uint8_t n_download_attempts; /**< Number of (potentially concurrent) attempts
-                                * to download the most recent object, since
-                                * the last success. */
-  download_schedule_bitfield_t schedule : 8; /**< What kind of object is being
-                                              * downloaded? This determines the
-                                              * schedule used for the download.
-                                              */
-  download_want_authority_bitfield_t want_authority : 1; /**< Is the download
-                                              * happening from an authority
-                                              * or a mirror? This determines
-                                              * the schedule used for the
-                                              * download. */
-  download_schedule_increment_bitfield_t increment_on : 1; /**< does this
-                                        * schedule increment on each attempt,
-                                        * or after each failure? */
-  uint8_t last_backoff_position; /**< number of attempts/failures, depending
-                                  * on increment_on, when we last recalculated
-                                  * the delay.  Only updated if backoff
-                                  * == 1. */
-  int last_delay_used; /**< last delay used for random exponential backoff;
-                        * only updated if backoff == 1 */
-} download_status_t;
+typedef struct download_status_t download_status_t;
 
 /** If n_download_failures is this high, the download can never happen. */
 #define IMPOSSIBLE_TO_DOWNLOAD 255

src/or/routerstatus_st.h

@@ -7,6 +7,8 @@
 #ifndef ROUTERSTATUS_ST_H
 #define ROUTERSTATUS_ST_H
 
+#include "download_status_st.h"
+
 /** Contents of a single router entry in a network status object.
  */
 struct routerstatus_t {

src/or/signed_descriptor_st.h

@@ -7,6 +7,8 @@
 #ifndef SIGNED_DESCRIPTOR_ST_H
 #define SIGNED_DESCRIPTOR_ST_H
 
+#include "download_status_st.h"
+
 /** Information need to cache an onion router's descriptor. */
 struct signed_descriptor_t {
   /** Pointer to the raw server descriptor, preceded by annotations.  Not

src/test/test_controller.c

@@ -14,6 +14,7 @@
 #include "test_helpers.h"
 
 #include "control_connection_st.h"
+#include "download_status_st.h"
 
 static void
 test_add_onion_helper_keyarg_v3(void *arg)