+static int isewouldblock(int errnoval) {
+ return errnoval==EWOULDBLOCK || errnoval==EAGAIN;
+}
+
+/*========== management of connections ==========*/
+
+static void conn_closefd(Conn *conn, const char *msgprefix) {
+ int r= close_perhaps(&conn->fd);
+ if (r) info("C%d %serror closing socket: %s",
+ conn->fd, msgprefix, strerror(errno));
+}
+
+static void conn_dispose(Conn *conn) {
+ if (!conn) return;
+ if (conn->rd) {
+ oop_rd_cancel(conn->rd);
+ oop_rd_delete_kill(conn->rd);
+ conn->rd= 0;
+ }
+ if (conn->fd) {
+ loop->cancel_fd(loop, conn->fd, OOP_WRITE);
+ loop->cancel_fd(loop, conn->fd, OOP_EXCEPTION);
+ }
+ conn_closefd(conn,"");
+ free(conn);
+ until_connect= reconnect_delay_periods;
+}
+
+static void *conn_exception(oop_source *lp, int fd,
+ oop_event ev, void *conn_v) {
+ Conn *conn= conn_v;
+ unsigned char ch;
+ assert(fd == conn->fd);
+ assert(ev == OOP_EXCEPTION);
+ int r= read(conn->fd, &ch, 1);
+ if (r<0) connfail(conn,"read failed: %s",strerror(errno));
+ else connfail(conn,"exceptional condition on socket (peer sent urgent"
+ " data? read(,&ch,1)=%d,ch='\\x%02x')",r,ch);
+ return OOP_CONTINUE;
+}
+
+static void vconnfail(Conn *conn, const char *fmt, va_list al) {
+ int requeue[art_MaxState];
+
+ Article *art;
+ while ((art= LIST_REMHEAD(conn->priority))) LIST_ADDTAIL(queue, art);
+ while ((art= LIST_REMHEAD(conn->waiting))) LIST_ADDTAIL(queue, art);
+ while ((art= LIST_REMHEAD(conn->sent))) {
+ requeue[art->state]++;
+ if (art->state==art_Unsolicited) art->state= art_Unchecked;
+ LIST_ADDTAIL(queue,art);
+ }