Split directory.c code into several modules

Parts of this C file naturally belong in dircache, dirclient, and
dircommon: so, move them there.

src/core/include.am

@@ -62,9 +62,12 @@ LIBTOR_APP_A_SOURCES = 				\
 	src/feature/dirauth/keypin.c		\
 	src/feature/dircache/conscache.c	\
 	src/feature/dircache/consdiffmgr.c	\
-	src/feature/dircache/directory.c	\
+	src/feature/dircache/dircache.c		\
 	src/feature/dircache/dirserv.c		\
+	src/feature/dirclient/dirclient.c	\
+	src/feature/dirclient/dlstatus.c	\
 	src/feature/dircommon/consdiff.c	\
+	src/feature/dircommon/directory.c	\
 	src/feature/dircommon/fp_pair.c		\
 	src/feature/dircommon/voting_schedule.c	\
 	src/feature/hibernate/hibernate.c	\
@@ -257,12 +260,15 @@ noinst_HEADERS +=					\
 	src/feature/dircache/cached_dir_st.h		\
 	src/feature/dircache/conscache.h		\
 	src/feature/dircache/consdiffmgr.h		\
-	src/feature/dircache/directory.h		\
+	src/feature/dircache/dircache.h			\
 	src/feature/dircache/dirserv.h			\
 	src/feature/dirclient/dir_server_st.h		\
+	src/feature/dirclient/dirclient.h		\
+	src/feature/dirclient/dlstatus.h		\
 	src/feature/dirclient/download_status_st.h	\
 	src/feature/dircommon/consdiff.h		\
 	src/feature/dircommon/dir_connection_st.h	\
+	src/feature/dircommon/directory.h		\
 	src/feature/dircommon/fp_pair.h			\
 	src/feature/dircommon/vote_timing_st.h		\
 	src/feature/dircommon/voting_schedule.h		\

src/core/mainloop/connection.c

@@ -77,7 +77,7 @@
 #include "core/or/connection_or.h"
 #include "feature/control/control.h"
 #include "lib/crypt_ops/crypto_util.h"
-#include "feature/dircache/directory.h"
+#include "feature/dircommon/directory.h"
 #include "feature/dircache/dirserv.h"
 #include "feature/relay/dns.h"
 #include "feature/client/dnsserv.h"

src/core/mainloop/mainloop.c

@@ -68,7 +68,7 @@
 #include "feature/control/control.h"
 #include "core/mainloop/cpuworker.h"
 #include "lib/crypt_ops/crypto_rand.h"
-#include "feature/dircache/directory.h"
+#include "feature/dircommon/directory.h"
 #include "feature/dircache/dirserv.h"
 #include "feature/dirauth/reachability.h"
 #include "feature/relay/dns.h"

src/core/or/circuitbuild.c

@@ -44,7 +44,7 @@
 #include "core/or/connection_or.h"
 #include "feature/control/control.h"
 #include "lib/crypt_ops/crypto_rand.h"
-#include "feature/dircache/directory.h"
+#include "feature/dircommon/directory.h"
 #include "feature/client/entrynodes.h"
 #include "core/crypto/hs_ntor.h"
 #include "core/mainloop/mainloop.h"

src/core/or/circuitlist.c

@@ -69,7 +69,7 @@
 #include "lib/crypt_ops/crypto_rand.h"
 #include "lib/crypt_ops/crypto_util.h"
 #include "lib/crypt_ops/crypto_dh.h"
-#include "feature/dircache/directory.h"
+#include "feature/dircommon/directory.h"
 #include "feature/client/entrynodes.h"
 #include "core/mainloop/mainloop.h"
 #include "feature/hs/hs_circuit.h"

src/core/or/circuituse.c

@@ -40,7 +40,7 @@
 #include "core/mainloop/connection.h"
 #include "core/or/connection_edge.h"
 #include "feature/control/control.h"
-#include "feature/dircache/directory.h"
+#include "feature/dircommon/directory.h"
 #include "feature/client/entrynodes.h"
 #include "feature/hs/hs_common.h"
 #include "feature/hs/hs_client.h"

src/core/or/connection_edge.c

@@ -73,7 +73,7 @@
 #include "lib/crypt_ops/crypto_util.h"
 #include "feature/relay/dns.h"
 #include "feature/client/dnsserv.h"
-#include "feature/dircache/directory.h"
+#include "feature/dircommon/directory.h"
 #include "feature/dircache/dirserv.h"
 #include "feature/hibernate/hibernate.h"
 #include "feature/hs/hs_common.h"

src/core/or/relay.c

@@ -63,7 +63,7 @@
 #include "feature/control/control.h"
 #include "lib/crypt_ops/crypto_rand.h"
 #include "lib/crypt_ops/crypto_util.h"
-#include "feature/dircache/directory.h"
+#include "feature/dircommon/directory.h"
 #include "feature/relay/dns.h"
 #include "feature/stats/geoip.h"
 #include "feature/hs/hs_cache.h"