From 2942e420e06bd6370756ef0f4722dcf8f4c74659 Mon Sep 17 00:00:00 2001 From: "Daniel P. Berrange" Date: Mon, 11 Jan 2016 13:17:03 +0000 Subject: [PATCH] sockets: remove use of QemuOpts from socket_connect The socket_connect method accepts a QAPI SocketAddress object which it then turns into QemuOpts before calling the inet_connect_opts/unix_connect_opts helper methods. By converting the latter to use QAPI SocketAddress directly, the QemuOpts conversion step can be eliminated Signed-off-by: Daniel P. Berrange Reviewed-by: Eric Blake Message-id: 1452518225-11751-4-git-send-email-berrange@redhat.com Signed-off-by: Gerd Hoffmann --- util/qemu-sockets.c | 93 ++++++++++++++++++--------------------------- 1 file changed, 37 insertions(+), 56 deletions(-) diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c index eda99be8be..2befe6aa91 100644 --- a/util/qemu-sockets.c +++ b/util/qemu-sockets.c @@ -384,38 +384,34 @@ static int inet_connect_addr(struct addrinfo *addr, bool *in_progress, return sock; } -static struct addrinfo *inet_parse_connect_opts(QemuOpts *opts, Error **errp) +static struct addrinfo *inet_parse_connect_saddr(InetSocketAddress *saddr, + Error **errp) { struct addrinfo ai, *res; int rc; - const char *addr; - const char *port; + Error *err = NULL; memset(&ai, 0, sizeof(ai)); ai.ai_flags = AI_CANONNAME | AI_V4MAPPED | AI_ADDRCONFIG; - ai.ai_family = PF_UNSPEC; + ai.ai_family = inet_ai_family_from_address(saddr, &err); ai.ai_socktype = SOCK_STREAM; - addr = qemu_opt_get(opts, "host"); - port = qemu_opt_get(opts, "port"); - if (addr == NULL || port == NULL) { + if (err) { + error_propagate(errp, err); + return NULL; + } + + if (saddr->host == NULL || saddr->port == NULL) { error_setg(errp, "host and/or port not specified"); return NULL; } - if (qemu_opt_get_bool(opts, "ipv4", 0)) { - ai.ai_family = PF_INET; - } - if (qemu_opt_get_bool(opts, "ipv6", 0)) { - ai.ai_family = PF_INET6; - } - /* lookup */ - rc = getaddrinfo(addr, port, &ai, &res); + rc = getaddrinfo(saddr->host, saddr->port, &ai, &res); if (rc != 0) { - error_setg(errp, "address resolution failed for %s:%s: %s", addr, port, - gai_strerror(rc)); + error_setg(errp, "address resolution failed for %s:%s: %s", + saddr->host, saddr->port, gai_strerror(rc)); return NULL; } return res; @@ -424,8 +420,7 @@ static struct addrinfo *inet_parse_connect_opts(QemuOpts *opts, Error **errp) /** * Create a socket and connect it to an address. * - * @opts: QEMU options, recognized parameters strings "host" and "port", - * bools "ipv4" and "ipv6". + * @saddr: Inet socket address specification * @errp: set on error * @callback: callback function for non-blocking connect * @opaque: opaque for callback function @@ -436,8 +431,8 @@ static struct addrinfo *inet_parse_connect_opts(QemuOpts *opts, Error **errp) * function succeeds, callback will be called when the connection * completes, with the file descriptor on success, or -1 on error. */ -static int inet_connect_opts(QemuOpts *opts, Error **errp, - NonBlockingConnectHandler *callback, void *opaque) +static int inet_connect_saddr(InetSocketAddress *saddr, Error **errp, + NonBlockingConnectHandler *callback, void *opaque) { Error *local_err = NULL; struct addrinfo *res, *e; @@ -445,7 +440,7 @@ static int inet_connect_opts(QemuOpts *opts, Error **errp, bool in_progress; ConnectState *connect_state = NULL; - res = inet_parse_connect_opts(opts, errp); + res = inet_parse_connect_saddr(saddr, errp); if (!res) { return -1; } @@ -697,17 +692,13 @@ int inet_listen(const char *str, char *ostr, int olen, **/ int inet_connect(const char *str, Error **errp) { - QemuOpts *opts; int sock = -1; InetSocketAddress *addr; addr = inet_parse(str, errp); if (addr != NULL) { - opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); - inet_addr_to_opts(opts, addr); + sock = inet_connect_saddr(addr, errp, NULL, NULL); qapi_free_InetSocketAddress(addr); - sock = inet_connect_opts(opts, errp, NULL, NULL); - qemu_opts_del(opts); } return sock; } @@ -729,7 +720,6 @@ int inet_nonblocking_connect(const char *str, NonBlockingConnectHandler *callback, void *opaque, Error **errp) { - QemuOpts *opts; int sock = -1; InetSocketAddress *addr; @@ -737,11 +727,8 @@ int inet_nonblocking_connect(const char *str, addr = inet_parse(str, errp); if (addr != NULL) { - opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); - inet_addr_to_opts(opts, addr); + sock = inet_connect_saddr(addr, errp, callback, opaque); qapi_free_InetSocketAddress(addr); - sock = inet_connect_opts(opts, errp, callback, opaque); - qemu_opts_del(opts); } return sock; } @@ -816,15 +803,14 @@ err: return -1; } -static int unix_connect_opts(QemuOpts *opts, Error **errp, - NonBlockingConnectHandler *callback, void *opaque) +static int unix_connect_saddr(UnixSocketAddress *saddr, Error **errp, + NonBlockingConnectHandler *callback, void *opaque) { struct sockaddr_un un; - const char *path = qemu_opt_get(opts, "path"); ConnectState *connect_state = NULL; int sock, rc; - if (path == NULL) { + if (saddr->path == NULL) { error_setg(errp, "unix connect: no path specified"); return -1; } @@ -843,7 +829,7 @@ static int unix_connect_opts(QemuOpts *opts, Error **errp, memset(&un, 0, sizeof(un)); un.sun_family = AF_UNIX; - snprintf(un.sun_path, sizeof(un.sun_path), "%s", path); + snprintf(un.sun_path, sizeof(un.sun_path), "%s", saddr->path); /* connect to peer */ do { @@ -885,8 +871,8 @@ static int unix_listen_saddr(UnixSocketAddress *saddr, return -1; } -static int unix_connect_opts(QemuOpts *opts, Error **errp, - NonBlockingConnectHandler *callback, void *opaque) +static int unix_connect_saddr(UnixSocketAddress *saddr, Error **errp, + NonBlockingConnectHandler *callback, void *opaque) { error_setg(errp, "unix sockets are not available on windows"); errno = ENOTSUP; @@ -925,13 +911,13 @@ int unix_listen(const char *str, char *ostr, int olen, Error **errp) int unix_connect(const char *path, Error **errp) { - QemuOpts *opts; + UnixSocketAddress *saddr; int sock; - opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); - qemu_opt_set(opts, "path", path, &error_abort); - sock = unix_connect_opts(opts, errp, NULL, NULL); - qemu_opts_del(opts); + saddr = g_new0(UnixSocketAddress, 1); + saddr->path = g_strdup(path); + sock = unix_connect_saddr(saddr, errp, NULL, NULL); + qapi_free_UnixSocketAddress(saddr); return sock; } @@ -940,15 +926,15 @@ int unix_nonblocking_connect(const char *path, NonBlockingConnectHandler *callback, void *opaque, Error **errp) { - QemuOpts *opts; + UnixSocketAddress *saddr; int sock = -1; g_assert(callback != NULL); - opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); - qemu_opt_set(opts, "path", path, &error_abort); - sock = unix_connect_opts(opts, errp, callback, opaque); - qemu_opts_del(opts); + saddr = g_new0(UnixSocketAddress, 1); + saddr->path = g_strdup(path); + sock = unix_connect_saddr(saddr, errp, callback, opaque); + qapi_free_UnixSocketAddress(saddr); return sock; } @@ -992,19 +978,15 @@ fail: int socket_connect(SocketAddress *addr, Error **errp, NonBlockingConnectHandler *callback, void *opaque) { - QemuOpts *opts; int fd; - opts = qemu_opts_create(&socket_optslist, NULL, 0, &error_abort); switch (addr->type) { case SOCKET_ADDRESS_KIND_INET: - inet_addr_to_opts(opts, addr->u.inet); - fd = inet_connect_opts(opts, errp, callback, opaque); + fd = inet_connect_saddr(addr->u.inet, errp, callback, opaque); break; case SOCKET_ADDRESS_KIND_UNIX: - qemu_opt_set(opts, "path", addr->u.q_unix->path, &error_abort); - fd = unix_connect_opts(opts, errp, callback, opaque); + fd = unix_connect_saddr(addr->u.q_unix, errp, callback, opaque); break; case SOCKET_ADDRESS_KIND_FD: @@ -1018,7 +1000,6 @@ int socket_connect(SocketAddress *addr, Error **errp, default: abort(); } - qemu_opts_del(opts); return fd; }