X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=secnet.git;a=blobdiff_plain;f=comm-common.h;h=ebb71b83eaedeb61fe53efdf41bf1247f7b90940;hp=835d056b5d5117e8e0f99a6ee02c165bc06ee2dc;hb=55b79a8366a012388edabe7d2fad72a3a54ffe33;hpb=53f4e66603bcc2d21c70ad7a69db5fda6da5d645

diff --git a/comm-common.h b/comm-common.h
index 835d056..ebb71b8 100644
--- a/comm-common.h
+++ b/comm-common.h
@@ -1,8 +1,27 @@
+/*
+ * This file is part of secnet.
+ * See README for full list of copyright holders.
+ *
+ * secnet 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 d of the License, or
+ * (at your option) any later version.
+ * 
+ * secnet 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
+ * version 3 along with secnet; if not, see
+ * https://www.gnu.org/licenses/gpl.html.
+ */
 
 #ifndef COMM_COMMON_H
 #define COMM_COMMON_H
 
 #include "secnet.h"
+#include "util.h"
 
 /*----- for all comms -----*/
 
@@ -21,6 +40,8 @@ struct commcommon { /* must be first so that void* is comm_common* */
     struct buffer_if *rbuf;
 };
 
+struct comm_clientinfo *comm_clientinfo_ignore(void *state, dict_t*,
+					       struct cloc cloc);
 void comm_request_notify(void *commst, void *nst, comm_notify_fn *fn);
 void comm_release_notify(void *commst, void *nst, comm_notify_fn *fn);
 
@@ -33,9 +54,10 @@ bool_t comm_notify(struct comm_notify_list *notify, struct buffer_if *buf,
 void comm_apply(struct commcommon *cc, void *st);
 
 #define COMM_APPLY(st,cc,prefix,desc,loc)		\
-    (st)=safe_malloc(sizeof(*(st)), desc "_apply");	\
+    NEW(st);						\
     (cc)->loc=loc;					\
     (cc)->cl.description=desc;				\
+    (cc)->ops.clientinfo=comm_clientinfo_ignore;	\
     (cc)->ops.sendmsg=prefix##sendmsg;			\
     (cc)->ops.addr_to_string=prefix##addr_to_string;	\
     comm_apply((cc),(st))
@@ -62,9 +84,12 @@ void comm_apply(struct commcommon *cc, void *st);
 
 #define UDP_MAX_SOCKETS 3 /* 2 ought to do really */
 
+#define MAX_AF MAX_RAW(AF_INET6,AF_INET)
+
 struct udpsock {
     union iaddr addr;
     int fd;
+    bool_t experienced[/*0=recv,1=send*/2][MAX_AF+1][/*success?*/2];
 };
 
 struct udpsocks {
@@ -72,6 +97,8 @@ struct udpsocks {
     struct udpsock socks[UDP_MAX_SOCKETS];
     /* private for udp_socks_* */
     struct udpcommon *uc; /* link to parent, for cfg, notify list, etc. */
+    struct poll_interest *interest;
+    const char *desc;
 };
 
 struct udpcommon {
@@ -84,14 +111,31 @@ struct udpcommon {
 
 bool_t udp_make_socket(struct udpcommon *uc, struct udpsock *us,
 		       int failmsgclass);
-  /* Fills in us->fd.  Logs any errors with lg_[v]perror. */
-
-void udp_socks_register(struct udpcommon *uc, struct udpsocks *socks);
+  /* Caller should have filled in ->addr.  Fills in us->fd,
+     ->experienced; updates ->addr.  Logs any errors with lg_[v]perror. */
+bool_t udp_import_socket(struct udpcommon *uc, struct udpsock *us,
+			 int failmsgclass, int fd);
+  /* Like udp_make_socket, but caller provides fd.  fd is not closed
+     on error */
+
+void udp_destroy_socket(struct udpcommon *uc, struct udpsock *us);
+  /* Idempotent.  No errors are possible. */
+
+const char *af_name(int af);
+void udp_sock_experienced(struct log_if *lg, struct udpcommon *uc,
+			  struct udpsocks *socks, struct udpsock *us,
+			  const union iaddr *dest, int af /* 0 means any */,
+			  int r, int errnoval);
+
+void udp_socks_register(struct udpcommon *uc, struct udpsocks *socks,
+			const char *desc);
+void udp_socks_deregister(struct udpcommon *uc, struct udpsocks *socks);
+void udp_socks_childpersist(struct udpcommon *uc, struct udpsocks *socks);
 
 #define UDP_APPLY_STANDARD(st,uc,desc)					\
     (uc)->use_proxy=False;						\
     (uc)->authbind=dict_read_string(d,"authbind",False,"udp",(uc)->cc.loc); \
-    (uc)->port=dict_read_number(d,"port",True,"udp",(uc)->cc.loc,0)
+    (uc)->port=dict_read_number(d,"port",False,"udp",(uc)->cc.loc,0)
     /* void UDP_APPLY_STANDARD(SOMETHING *st, struct udpcommon *uc,
      *                         const char *desc);
      *   // Expects in scope:  dict_t *d=...;   as from COMM_APPLY_STANDARD