X-Git-Url: http://andersk.mit.edu/gitweb/libfaim.git/blobdiff_plain/225174938751264d2d11d880ca820a66961c694c..68c5deb920aea924db1c0da22309c80e60e8992b:/aim_conn.c diff --git a/aim_conn.c b/aim_conn.c index b630145..836c0d4 100644 --- a/aim_conn.c +++ b/aim_conn.c @@ -38,6 +38,32 @@ faim_internal void aim_connrst(struct aim_session_t *sess) return; } +/** + * aim_conn_init - Reset a connection to default values. + * @deadconn: Connection to be reset + * + * Initializes and/or resets a connection structure. + * + */ +static void aim_conn_init(struct aim_conn_t *deadconn) +{ + if (!deadconn) + return; + + deadconn->fd = -1; + deadconn->subtype = -1; + deadconn->type = -1; + deadconn->seqnum = 0; + deadconn->lastactivity = 0; + deadconn->forcedlatency = 0; + deadconn->handlerlist = NULL; + deadconn->priv = NULL; + faim_mutex_init(&deadconn->active); + faim_mutex_init(&deadconn->seqnum_lock); + + return; +} + /** * aim_conn_getnext - Gets a new connection structure. * @sess: Session @@ -53,7 +79,7 @@ faim_internal struct aim_conn_t *aim_conn_getnext(struct aim_session_t *sess) return NULL; memset(newconn, 0, sizeof(struct aim_conn_t)); - aim_conn_close(newconn); + aim_conn_init(newconn); newconn->next = NULL; faim_mutex_lock(&sess->connlistlock); @@ -69,32 +95,6 @@ faim_internal struct aim_conn_t *aim_conn_getnext(struct aim_session_t *sess) return newconn; } -/** - * aim_conn_init - Reset a connection to default values. - * @deadconn: Connection to be reset - * - * Initializes and/or resets a connection structure. - * - */ -static void aim_conn_init(struct aim_conn_t *deadconn) -{ - if (!deadconn) - return; - - deadconn->fd = -1; - deadconn->subtype = -1; - deadconn->type = -1; - deadconn->seqnum = 0; - deadconn->lastactivity = 0; - deadconn->forcedlatency = 0; - deadconn->handlerlist = NULL; - deadconn->priv = NULL; - faim_mutex_init(&deadconn->active); - faim_mutex_init(&deadconn->seqnum_lock); - - return; -} - /** * aim_conn_kill - Close and free a connection. * @sess: Session for the connection @@ -131,7 +131,8 @@ faim_export void aim_conn_kill(struct aim_session_t *sess, struct aim_conn_t **d /* XXX: do we need this for txqueue too? */ aim_rxqueue_cleanbyconn(sess, *deadconn); - aim_conn_close(*deadconn); + if ((*deadconn)->fd != -1) + aim_conn_close(*deadconn); if ((*deadconn)->priv) free((*deadconn)->priv); free(*deadconn); @@ -146,34 +147,22 @@ faim_export void aim_conn_kill(struct aim_session_t *sess, struct aim_conn_t **d * * Close (but not free) a connection. * + * This leaves everything untouched except for clearing the + * handler list and setting the fd to -1 (used to recognize + * dead connections). + * */ faim_export void aim_conn_close(struct aim_conn_t *deadconn) { - int typesav = -1, subtypesav = -1; - void *privsav = NULL; faim_mutex_destroy(&deadconn->active); faim_mutex_destroy(&deadconn->seqnum_lock); if (deadconn->fd >= 3) close(deadconn->fd); + deadconn->fd = -1; if (deadconn->handlerlist) aim_clearhandlers(deadconn); - typesav = deadconn->type; - subtypesav = deadconn->subtype; - - if (deadconn->priv && (deadconn->type != AIM_CONN_TYPE_RENDEZVOUS)) { - free(deadconn->priv); - deadconn->priv = NULL; - } - privsav = deadconn->priv; - - aim_conn_init(deadconn); - - deadconn->type = typesav; - deadconn->subtype = subtypesav; - deadconn->priv = privsav; - return; } @@ -547,7 +536,12 @@ faim_export struct aim_conn_t *aim_select(struct aim_session_t *sess, faim_mutex_lock(&sess->connlistlock); for (cur = sess->connlist; cur; cur = cur->next) { - if (cur->status & AIM_CONN_STATUS_INPROGRESS) { + if (cur->fd == -1) { + /* don't let invalid/dead connections sit around */ + *status = 2; + faim_mutex_unlock(&sess->connlistlock); + return cur; + } else if (cur->status & AIM_CONN_STATUS_INPROGRESS) { FD_SET(cur->fd, &wfds); haveconnecting++; } @@ -715,7 +709,9 @@ faim_export void aim_session_init(struct aim_session_t *sess, unsigned long flag sess->queue_outgoing = NULL; sess->queue_incoming = NULL; sess->pendingjoin = NULL; + sess->pendingjoinexchange = 0; aim_initsnachash(sess); + sess->msgcookies = NULL; sess->snac_nextid = 0x00000001; sess->flags = 0;