From ea4dbbd57e664f8fd30121e1b25a9a2baeb78df4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Thu, 17 Jan 2019 15:43:58 +0400 Subject: slirp: pass opaque to all callbacks MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is friendlier for FFI bindings. Signed-off-by: Marc-André Lureau Signed-off-by: Samuel Thibault --- dhcpv6.c | 3 ++- if.c | 2 +- ip6_icmp.c | 18 ++++++++++++------ ip_icmp.c | 2 +- libslirp.h | 16 ++++++++-------- misc.c | 2 +- slirp.c | 14 +++++++------- socket.c | 2 +- tcp_subr.c | 8 ++++---- udp.c | 2 +- 10 files changed, 38 insertions(+), 31 deletions(-) diff --git a/dhcpv6.c b/dhcpv6.c index 037ebbe..4a52ef0 100644 --- a/dhcpv6.c +++ b/dhcpv6.c @@ -59,7 +59,8 @@ static int dhcpv6_parse_info_request(Slirp *slirp, uint8_t *odata, int olen, int len = odata[2] << 8 | odata[3]; if (len + 4 > olen) { - slirp->cb->guest_error("Guest sent bad DHCPv6 packet!"); + slirp->cb->guest_error("Guest sent bad DHCPv6 packet!", + slirp->opaque); return -E2BIG; } diff --git a/if.c b/if.c index 0d6f66b..5de7796 100644 --- a/if.c +++ b/if.c @@ -141,7 +141,7 @@ diddit: */ void if_start(Slirp *slirp) { - uint64_t now = slirp->cb->clock_get_ns(); + uint64_t now = slirp->cb->clock_get_ns(slirp->opaque); bool from_batchq = false; struct mbuf *ifm, *ifm_next, *ifqt; diff --git a/ip6_icmp.c b/ip6_icmp.c index 5d2a11a..417f927 100644 --- a/ip6_icmp.c +++ b/ip6_icmp.c @@ -14,7 +14,9 @@ static void ra_timer_handler(void *opaque) Slirp *slirp = opaque; slirp->cb->timer_mod(slirp->ra_timer, - slirp->cb->clock_get_ns() / SCALE_MS + NDP_Interval); + slirp->cb->clock_get_ns(slirp->opaque) / SCALE_MS + + NDP_Interval, + slirp->opaque); ndp_send_ra(slirp); } @@ -24,9 +26,12 @@ void icmp6_init(Slirp *slirp) return; } - slirp->ra_timer = slirp->cb->timer_new(ra_timer_handler, slirp); + slirp->ra_timer = + slirp->cb->timer_new(ra_timer_handler, slirp, slirp->opaque); slirp->cb->timer_mod(slirp->ra_timer, - slirp->cb->clock_get_ns() / SCALE_MS + NDP_Interval); + slirp->cb->clock_get_ns(slirp->opaque) / SCALE_MS + + NDP_Interval, + slirp->opaque); } void icmp6_cleanup(Slirp *slirp) @@ -35,7 +40,7 @@ void icmp6_cleanup(Slirp *slirp) return; } - slirp->cb->timer_free(slirp->ra_timer); + slirp->cb->timer_free(slirp->ra_timer, slirp->opaque); } static void icmp6_send_echoreply(struct mbuf *m, Slirp *slirp, struct ip6 *ip, @@ -330,7 +335,8 @@ static void ndp_input(struct mbuf *m, Slirp *slirp, struct ip6 *ip, case ICMP6_NDP_RA: DEBUG_CALL(" type = Router Advertisement"); - slirp->cb->guest_error("Warning: guest sent NDP RA, but shouldn't"); + slirp->cb->guest_error("Warning: guest sent NDP RA, but shouldn't", + slirp->opaque); break; case ICMP6_NDP_NS: @@ -361,7 +367,7 @@ static void ndp_input(struct mbuf *m, Slirp *slirp, struct ip6 *ip, case ICMP6_NDP_REDIRECT: DEBUG_CALL(" type = Redirect"); slirp->cb->guest_error( - "Warning: guest sent NDP REDIRECT, but shouldn't"); + "Warning: guest sent NDP REDIRECT, but shouldn't", slirp->opaque); break; } } diff --git a/ip_icmp.c b/ip_icmp.c index 33d77e7..69f769c 100644 --- a/ip_icmp.c +++ b/ip_icmp.c @@ -115,7 +115,7 @@ static int icmp_send(struct socket *so, struct mbuf *m, int hlen) void icmp_detach(struct socket *so) { - so->slirp->cb->unregister_poll_fd(so->s); + so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque); slirp_closesocket(so->s); sofree(so); } diff --git a/libslirp.h b/libslirp.h index b3b6f9d..df7f375 100644 --- a/libslirp.h +++ b/libslirp.h @@ -40,21 +40,21 @@ typedef struct SlirpCb { */ SlirpWriteCb send_packet; /* Print a message for an error due to guest misbehavior. */ - void (*guest_error)(const char *msg); + void (*guest_error)(const char *msg, void *opaque); /* Return the virtual clock value in nanoseconds */ - int64_t (*clock_get_ns)(void); + int64_t (*clock_get_ns)(void *opaque); /* Create a new timer with the given callback and opaque data */ - void *(*timer_new)(SlirpTimerCb cb, void *opaque); + void *(*timer_new)(SlirpTimerCb cb, void *cb_opaque, void *opaque); /* Remove and free a timer */ - void (*timer_free)(void *timer); + void (*timer_free)(void *timer, void *opaque); /* Modify a timer to expire at @expire_time */ - void (*timer_mod)(void *timer, int64_t expire_time); + void (*timer_mod)(void *timer, int64_t expire_time, void *opaque); /* Register a fd for future polling */ - void (*register_poll_fd)(int fd); + void (*register_poll_fd)(int fd, void *opaque); /* Unregister a fd */ - void (*unregister_poll_fd)(int fd); + void (*unregister_poll_fd)(int fd, void *opaque); /* Kick the io-thread, to signal that new events may be processed */ - void (*notify)(void); + void (*notify)(void *opaque); } SlirpCb; diff --git a/misc.c b/misc.c index 3b19033..4cb9e8d 100644 --- a/misc.c +++ b/misc.c @@ -201,7 +201,7 @@ int fork_exec(struct socket *so, const char *ex) opt = 1; slirp_setsockopt(so->s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int)); slirp_set_nonblock(so->s); - so->slirp->cb->register_poll_fd(so->s); + so->slirp->cb->register_poll_fd(so->s, so->slirp->opaque); return 1; } diff --git a/slirp.c b/slirp.c index d4efb5e..ab531e9 100644 --- a/slirp.c +++ b/slirp.c @@ -284,6 +284,7 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, slirp_init_once(); + slirp->opaque = opaque; slirp->cb = callbacks; slirp->grand = g_rand_new(); slirp->restricted = restricted; @@ -320,12 +321,9 @@ Slirp *slirp_init(int restricted, bool in_enabled, struct in_addr vnetwork, translate_dnssearch(slirp, vdnssearch); } - slirp->opaque = opaque; - #ifdef WITH_QEMU slirp_state_register(slirp); #endif - return slirp; } @@ -533,7 +531,7 @@ void slirp_pollfds_poll(Slirp *slirp, int select_error, struct socket *so, *so_next; int ret; - curtime = slirp->cb->clock_get_ns() / SCALE_MS; + curtime = slirp->cb->clock_get_ns(slirp->opaque) / SCALE_MS; /* * See if anything has timed out @@ -854,7 +852,8 @@ static int if_encap4(Slirp *slirp, struct mbuf *ifm, struct ethhdr *eh, ifm->resolution_requested = true; /* Expire request and drop outgoing packet after 1 second */ - ifm->expiration_date = slirp->cb->clock_get_ns() + 1000000000ULL; + ifm->expiration_date = + slirp->cb->clock_get_ns(slirp->opaque) + 1000000000ULL; } return 0; } else { @@ -880,7 +879,8 @@ static int if_encap6(Slirp *slirp, struct mbuf *ifm, struct ethhdr *eh, if (!ifm->resolution_requested) { ndp_send_ns(slirp, ip6h->ip_dst); ifm->resolution_requested = true; - ifm->expiration_date = slirp->cb->clock_get_ns() + 1000000000ULL; + ifm->expiration_date = + slirp->cb->clock_get_ns(slirp->opaque) + 1000000000ULL; } return 0; } else { @@ -954,7 +954,7 @@ int slirp_remove_hostfwd(Slirp *slirp, int is_udp, struct in_addr host_addr, if ((so->so_state & SS_HOSTFWD) && getsockname(so->s, (struct sockaddr *)&addr, &addr_len) == 0 && addr.sin_addr.s_addr == host_addr.s_addr && addr.sin_port == port) { - so->slirp->cb->unregister_poll_fd(so->s); + so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque); slirp_closesocket(so->s); sofree(so); return 0; diff --git a/socket.c b/socket.c index 88f9437..1b74630 100644 --- a/socket.c +++ b/socket.c @@ -921,6 +921,6 @@ void sotranslate_accept(struct socket *so) void sodrop(struct socket *s, int num) { if (sbdrop(&s->so_snd, num)) { - s->slirp->cb->notify(); + s->slirp->cb->notify(s->slirp->opaque); } } diff --git a/tcp_subr.c b/tcp_subr.c index 2fad18d..a65742f 100644 --- a/tcp_subr.c +++ b/tcp_subr.c @@ -337,7 +337,7 @@ struct tcpcb *tcp_close(struct tcpcb *tp) /* clobber input socket cache if we're closing the cached connection */ if (so == slirp->tcp_last_so) slirp->tcp_last_so = &slirp->tcb; - so->slirp->cb->unregister_poll_fd(so->s); + so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque); slirp_closesocket(so->s); sbfree(&so->so_rcv); sbfree(&so->so_snd); @@ -411,7 +411,7 @@ int tcp_fconnect(struct socket *so, unsigned short af) struct sockaddr_storage addr; slirp_set_nonblock(s); - so->slirp->cb->register_poll_fd(so->s); + so->slirp->cb->register_poll_fd(so->s, so->slirp->opaque); slirp_socket_set_fast_reuse(s); opt = 1; slirp_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(opt)); @@ -484,7 +484,7 @@ void tcp_connect(struct socket *inso) return; } slirp_set_nonblock(s); - so->slirp->cb->register_poll_fd(so->s); + so->slirp->cb->register_poll_fd(so->s, so->slirp->opaque); slirp_socket_set_fast_reuse(s); opt = 1; slirp_setsockopt(s, SOL_SOCKET, SO_OOBINLINE, &opt, sizeof(int)); @@ -496,7 +496,7 @@ void tcp_connect(struct socket *inso) /* Close the accept() socket, set right state */ if (inso->so_state & SS_FACCEPTONCE) { /* If we only accept once, close the accept() socket */ - so->slirp->cb->unregister_poll_fd(so->s); + so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque); slirp_closesocket(so->s); /* Don't select it yet, even though we have an FD */ diff --git a/udp.c b/udp.c index 0165209..a2589b8 100644 --- a/udp.c +++ b/udp.c @@ -286,7 +286,7 @@ int udp_attach(struct socket *so, unsigned short af) void udp_detach(struct socket *so) { - so->slirp->cb->unregister_poll_fd(so->s); + so->slirp->cb->unregister_poll_fd(so->s, so->slirp->opaque); slirp_closesocket(so->s); sofree(so); } -- cgit v1.1