diff options
Diffstat (limited to 'rpc/rpc-transport/rdma/src/name.c')
| -rw-r--r-- | rpc/rpc-transport/rdma/src/name.c | 263 |
1 files changed, 127 insertions, 136 deletions
diff --git a/rpc/rpc-transport/rdma/src/name.c b/rpc/rpc-transport/rdma/src/name.c index ae5c5d356..c57428ad6 100644 --- a/rpc/rpc-transport/rdma/src/name.c +++ b/rpc/rpc-transport/rdma/src/name.c @@ -1,20 +1,11 @@ /* - Copyright (c) 2008-2010 Gluster, Inc. <http://www.gluster.com> + Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com> This file is part of GlusterFS. - GlusterFS is free software; you can redistribute it and/or modify - it under the terms of the GNU Affero General Public License as published - by the Free Software Foundation; either version 3 of the License, - or (at your option) any later version. - - GlusterFS 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 - Affero General Public License for more details. - - You should have received a copy of the GNU Affero General Public License - along with this program. If not, see - <http://www.gnu.org/licenses/>. + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. */ #include <sys/types.h> @@ -22,12 +13,7 @@ #include <errno.h> #include <netdb.h> #include <string.h> - -#ifdef CLIENT_PORT_CEILING -#undef CLIENT_PORT_CEILING -#endif - -#define CLIENT_PORT_CEILING 1024 +#include <rdma/rdma_cma.h> #ifndef AF_INET_SDP #define AF_INET_SDP 27 @@ -35,37 +21,54 @@ #include "rpc-transport.h" #include "rdma.h" +#include "common-utils.h" + int32_t -gf_resolve_ip6 (const char *hostname, - uint16_t port, - int family, - void **dnscache, +gf_resolve_ip6 (const char *hostname, + uint16_t port, + int family, + void **dnscache, struct addrinfo **addr_info); static int32_t -af_inet_bind_to_port_lt_ceiling (int fd, struct sockaddr *sockaddr, +af_inet_bind_to_port_lt_ceiling (struct rdma_cm_id *cm_id, + struct sockaddr *sockaddr, socklen_t sockaddr_len, int ceiling) { - int32_t ret = -1; - /* struct sockaddr_in sin = {0, }; */ - uint16_t port = ceiling - 1; + int32_t ret = -1; + uint16_t port = ceiling - 1; + // by default assume none of the ports are blocked and all are available + gf_boolean_t ports[1024] = {_gf_false,}; + int i = 0; + + ret = gf_process_reserved_ports (ports); + if (ret != 0) { + for (i = 0; i < 1024; i++) + ports[i] = _gf_false; + } while (port) { switch (sockaddr->sa_family) { case AF_INET6: - ((struct sockaddr_in6 *)sockaddr)->sin6_port = htons (port); + ((struct sockaddr_in6 *)sockaddr)->sin6_port + = htons (port); break; case AF_INET_SDP: case AF_INET: - ((struct sockaddr_in *)sockaddr)->sin_port = htons (port); + ((struct sockaddr_in *)sockaddr)->sin_port + = htons (port); break; } - - ret = bind (fd, sockaddr, sockaddr_len); + // ignore the reserved ports + if (ports[port] == _gf_true) { + port--; + continue; + } + ret = rdma_bind_addr (cm_id, sockaddr); if (ret == 0) break; @@ -79,23 +82,22 @@ af_inet_bind_to_port_lt_ceiling (int fd, struct sockaddr *sockaddr, return ret; } +#if 0 static int32_t -af_unix_client_bind (rpc_transport_t *this, - struct sockaddr *sockaddr, - socklen_t sockaddr_len, - int sock) +af_unix_client_bind (rpc_transport_t *this, struct sockaddr *sockaddr, + socklen_t sockaddr_len, struct rdma_cm_id *cm_id) { data_t *path_data = NULL; struct sockaddr_un *addr = NULL; int32_t ret = -1; - path_data = dict_get (this->options, + path_data = dict_get (this->options, "transport.rdma.bind-path"); if (path_data) { char *path = data_to_str (path_data); if (!path || strlen (path) > UNIX_PATH_MAX) { gf_log (this->name, GF_LOG_DEBUG, - "transport.rdma.bind-path not specfied " + "transport.rdma.bind-path not specified " "for unix socket, letting connect to assign " "default value"); goto err; @@ -106,7 +108,7 @@ af_unix_client_bind (rpc_transport_t *this, ret = bind (sock, (struct sockaddr *)addr, sockaddr_len); if (ret == -1) { gf_log (this->name, GF_LOG_ERROR, - "cannot bind to unix-domain socket %d (%s)", + "cannot bind to unix-domain socket %d (%s)", sock, strerror (errno)); goto err; } @@ -115,30 +117,31 @@ af_unix_client_bind (rpc_transport_t *this, err: return ret; } +#endif static int32_t client_fill_address_family (rpc_transport_t *this, struct sockaddr *sockaddr) { data_t *address_family_data = NULL; - address_family_data = dict_get (this->options, + address_family_data = dict_get (this->options, "transport.address-family"); if (!address_family_data) { data_t *remote_host_data = NULL, *connect_path_data = NULL; remote_host_data = dict_get (this->options, "remote-host"); - connect_path_data = dict_get (this->options, + connect_path_data = dict_get (this->options, "transport.rdma.connect-path"); - if (!(remote_host_data || connect_path_data) || + if (!(remote_host_data || connect_path_data) || (remote_host_data && connect_path_data)) { gf_log (this->name, GF_LOG_ERROR, "address-family not specified and not able to " "determine the same from other options " - "(remote-host:%s and connect-path:%s)", - data_to_str (remote_host_data), + "(remote-host:%s and connect-path:%s)", + data_to_str (remote_host_data), data_to_str (connect_path_data)); return -1; - } + } if (remote_host_data) { gf_log (this->name, GF_LOG_DEBUG, @@ -162,13 +165,11 @@ client_fill_address_family (rpc_transport_t *this, struct sockaddr *sockaddr) sockaddr->sa_family = AF_INET6; } else if (!strcasecmp (address_family, "inet-sdp")) { sockaddr->sa_family = AF_INET_SDP; - } else if (!strcasecmp (address_family, "inet/inet6") - || !strcasecmp (address_family, "inet6/inet")) { - sockaddr->sa_family = AF_UNSPEC; } else { gf_log (this->name, GF_LOG_ERROR, - "unknown address-family (%s) specified", + "unknown address-family (%s) specified", address_family); + sockaddr->sa_family = AF_UNSPEC; return -1; } } @@ -177,8 +178,8 @@ client_fill_address_family (rpc_transport_t *this, struct sockaddr *sockaddr) } static int32_t -af_inet_client_get_remote_sockaddr (rpc_transport_t *this, - struct sockaddr *sockaddr, +af_inet_client_get_remote_sockaddr (rpc_transport_t *this, + struct sockaddr *sockaddr, socklen_t *sockaddr_len, int16_t remote_port) { @@ -193,7 +194,7 @@ af_inet_client_get_remote_sockaddr (rpc_transport_t *this, if (remote_host_data == NULL) { gf_log (this->name, GF_LOG_ERROR, - "option remote-host missing in volume %s", + "option remote-host missing in volume %s", this->name); ret = -1; goto err; @@ -203,7 +204,7 @@ af_inet_client_get_remote_sockaddr (rpc_transport_t *this, if (remote_host == NULL) { gf_log (this->name, GF_LOG_ERROR, - "option remote-host has data NULL in volume %s", + "option remote-host has data NULL in volume %s", this->name); ret = -1; goto err; @@ -238,7 +239,7 @@ af_inet_client_get_remote_sockaddr (rpc_transport_t *this, /* TODO: gf_resolve is a blocking call. kick in some non blocking dns techniques */ ret = gf_resolve_ip6 (remote_host, remote_port, - sockaddr->sa_family, + sockaddr->sa_family, &this->dnscache, &addr_info); if (ret == -1) { gf_log (this->name, GF_LOG_ERROR, @@ -254,8 +255,8 @@ err: } static int32_t -af_unix_client_get_remote_sockaddr (rpc_transport_t *this, - struct sockaddr *sockaddr, +af_unix_client_get_remote_sockaddr (rpc_transport_t *this, + struct sockaddr *sockaddr, socklen_t *sockaddr_len) { struct sockaddr_un *sockaddr_un = NULL; @@ -263,7 +264,7 @@ af_unix_client_get_remote_sockaddr (rpc_transport_t *this, data_t *connect_path_data = NULL; int32_t ret = 0; - connect_path_data = dict_get (this->options, + connect_path_data = dict_get (this->options, "transport.rdma.connect-path"); if (!connect_path_data) { gf_log (this->name, GF_LOG_ERROR, @@ -311,7 +312,7 @@ af_unix_server_get_local_sockaddr (rpc_transport_t *this, struct sockaddr_un *sunaddr = (struct sockaddr_un *)addr; - listen_path_data = dict_get (this->options, + listen_path_data = dict_get (this->options, "transport.rdma.listen-path"); if (!listen_path_data) { gf_log (this->name, GF_LOG_ERROR, @@ -342,9 +343,9 @@ err: return ret; } -static int32_t -af_inet_server_get_local_sockaddr (rpc_transport_t *this, - struct sockaddr *addr, +static int32_t +af_inet_server_get_local_sockaddr (rpc_transport_t *this, + struct sockaddr *addr, socklen_t *addr_len) { struct addrinfo hints, *res = 0; @@ -360,31 +361,31 @@ af_inet_server_get_local_sockaddr (rpc_transport_t *this, listen_host_data = dict_get (options, "transport.rdma.bind-address"); - if (listen_port_data) - { + if (listen_port_data) { listen_port = data_to_uint16 (listen_port_data); } else { - if (addr->sa_family == AF_INET6) { - struct sockaddr_in6 *in = (struct sockaddr_in6 *) addr; - in->sin6_addr = in6addr_any; - in->sin6_port = htons(listen_port); - *addr_len = sizeof(struct sockaddr_in6); + listen_port = GF_DEFAULT_RDMA_LISTEN_PORT; + + if (addr->sa_family == AF_INET6) { + struct sockaddr_in6 *in = (struct sockaddr_in6 *) addr; + in->sin6_addr = in6addr_any; + in->sin6_port = htons(listen_port); + *addr_len = sizeof(struct sockaddr_in6); goto out; - } else if (addr->sa_family == AF_INET) { - struct sockaddr_in *in = (struct sockaddr_in *) addr; - in->sin_addr.s_addr = htonl(INADDR_ANY); - in->sin_port = htons(listen_port); - *addr_len = sizeof(struct sockaddr_in); + } else if (addr->sa_family == AF_INET) { + struct sockaddr_in *in = (struct sockaddr_in *) addr; + in->sin_addr.s_addr = htonl(INADDR_ANY); + in->sin_port = htons(listen_port); + *addr_len = sizeof(struct sockaddr_in); goto out; - } - } + } + } if (listen_port == (uint16_t) -1) listen_port = GF_DEFAULT_RDMA_LISTEN_PORT; - if (listen_host_data) - { + if (listen_host_data) { listen_host = data_to_str (listen_host_data); } @@ -398,9 +399,8 @@ af_inet_server_get_local_sockaddr (rpc_transport_t *this, ret = getaddrinfo(listen_host, service, &hints, &res); if (ret != 0) { - gf_log (this->name, - GF_LOG_ERROR, - "getaddrinfo failed for host %s, service %s (%s)", + gf_log (this->name, GF_LOG_ERROR, + "getaddrinfo failed for host %s, service %s (%s)", listen_host, service, gai_strerror (ret)); ret = -1; goto out; @@ -416,10 +416,8 @@ out: } int32_t -gf_rdma_client_bind (rpc_transport_t *this, - struct sockaddr *sockaddr, - socklen_t *sockaddr_len, - int sock) +gf_rdma_client_bind (rpc_transport_t *this, struct sockaddr *sockaddr, + socklen_t *sockaddr_len, struct rdma_cm_id *cm_id) { int ret = 0; @@ -431,22 +429,24 @@ gf_rdma_client_bind (rpc_transport_t *this, *sockaddr_len = sizeof (struct sockaddr_in); case AF_INET6: - ret = af_inet_bind_to_port_lt_ceiling (sock, sockaddr, - *sockaddr_len, - CLIENT_PORT_CEILING); + ret = af_inet_bind_to_port_lt_ceiling (cm_id, sockaddr, + *sockaddr_len, + GF_CLIENT_PORT_CEILING); if (ret == -1) { gf_log (this->name, GF_LOG_WARNING, - "cannot bind inet socket (%d) to port " - "less than %d (%s)", - sock, CLIENT_PORT_CEILING, strerror (errno)); + "cannot bind rdma_cm_id to port " + "less than %d (%s)", GF_CLIENT_PORT_CEILING, + strerror (errno)); ret = 0; } break; case AF_UNIX: *sockaddr_len = sizeof (struct sockaddr_un); - ret = af_unix_client_bind (this, (struct sockaddr *)sockaddr, +#if 0 + ret = af_unix_client_bind (this, (struct sockaddr *)sockaddr, *sockaddr_len, sock); +#endif break; default: @@ -473,7 +473,7 @@ gf_rdma_client_get_remote_sockaddr (rpc_transport_t *this, ret = -1; goto err; } - + switch (sockaddr->sa_family) { case AF_INET_SDP: @@ -483,7 +483,7 @@ gf_rdma_client_get_remote_sockaddr (rpc_transport_t *this, case AF_INET: case AF_INET6: case AF_UNSPEC: - ret = af_inet_client_get_remote_sockaddr (this, + ret = af_inet_client_get_remote_sockaddr (this, sockaddr, sockaddr_len, remote_port); @@ -495,8 +495,8 @@ gf_rdma_client_get_remote_sockaddr (rpc_transport_t *this, break; case AF_UNIX: - ret = af_unix_client_get_remote_sockaddr (this, - sockaddr, + ret = af_unix_client_get_remote_sockaddr (this, + sockaddr, sockaddr_len); break; @@ -505,21 +505,21 @@ gf_rdma_client_get_remote_sockaddr (rpc_transport_t *this, "unknown address-family %d", sockaddr->sa_family); ret = -1; } - + err: return ret; } int32_t gf_rdma_server_get_local_sockaddr (rpc_transport_t *this, - struct sockaddr *addr, - socklen_t *addr_len) + struct sockaddr *addr, + socklen_t *addr_len) { data_t *address_family_data = NULL; int32_t ret = 0; char is_inet_sdp = 0; - address_family_data = dict_get (this->options, + address_family_data = dict_get (this->options, "transport.address-family"); if (address_family_data) { char *address_family = NULL; @@ -533,21 +533,19 @@ gf_rdma_server_get_local_sockaddr (rpc_transport_t *this, addr->sa_family = AF_INET_SDP; } else if (!strcasecmp (address_family, "unix")) { addr->sa_family = AF_UNIX; - } else if (!strcasecmp (address_family, "inet/inet6") - || !strcasecmp (address_family, "inet6/inet")) { - addr->sa_family = AF_UNSPEC; } else { gf_log (this->name, GF_LOG_ERROR, - "unknown address family (%s) specified", + "unknown address family (%s) specified", address_family); + addr->sa_family = AF_UNSPEC; ret = -1; goto err; } } else { gf_log (this->name, GF_LOG_DEBUG, "option address-family not specified, defaulting " - "to inet/inet6"); - addr->sa_family = AF_UNSPEC; + "to inet"); + addr->sa_family = AF_INET; } switch (addr->sa_family) @@ -574,60 +572,53 @@ err: return ret; } -int32_t -fill_inet6_inet_identifiers (rpc_transport_t *this, struct sockaddr_storage *addr, +int32_t +fill_inet6_inet_identifiers (rpc_transport_t *this, struct sockaddr_storage *addr, int32_t addr_len, char *identifier) { int32_t ret = 0, tmpaddr_len = 0; char service[NI_MAXSERV], host[NI_MAXHOST]; - struct sockaddr_storage tmpaddr; + union gf_sock_union sock_union; - memset (&tmpaddr, 0, sizeof (tmpaddr)); - tmpaddr = *addr; + memset (&sock_union, 0, sizeof (sock_union)); + sock_union.storage = *addr; tmpaddr_len = addr_len; - if (((struct sockaddr *) &tmpaddr)->sa_family == AF_INET6) { + if (sock_union.sa.sa_family == AF_INET6) { int32_t one_to_four, four_to_eight, twelve_to_sixteen; int16_t eight_to_ten, ten_to_twelve; - + one_to_four = four_to_eight = twelve_to_sixteen = 0; eight_to_ten = ten_to_twelve = 0; - - one_to_four = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr32[0]; - four_to_eight = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr32[1]; + + one_to_four = sock_union.sin6.sin6_addr.s6_addr32[0]; + four_to_eight = sock_union.sin6.sin6_addr.s6_addr32[1]; #ifdef GF_SOLARIS_HOST_OS - eight_to_ten = S6_ADDR16(((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr)[4]; + eight_to_ten = S6_ADDR16(sock_union.sin6.sin6_addr)[4]; #else - eight_to_ten = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr16[4]; + eight_to_ten = sock_union.sin6.sin6_addr.s6_addr16[4]; #endif #ifdef GF_SOLARIS_HOST_OS - ten_to_twelve = S6_ADDR16(((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr)[5]; + ten_to_twelve = S6_ADDR16(sock_union.sin6.sin6_addr)[5]; #else - ten_to_twelve = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr16[5]; + ten_to_twelve = sock_union.sin6.sin6_addr.s6_addr16[5]; #endif - twelve_to_sixteen = ((struct sockaddr_in6 *) - &tmpaddr)->sin6_addr.s6_addr32[3]; + twelve_to_sixteen = sock_union.sin6.sin6_addr.s6_addr32[3]; /* ipv4 mapped ipv6 address has bits 0-80: 0 bits 80-96: 0xffff - bits 96-128: ipv4 address + bits 96-128: ipv4 address */ - + if (one_to_four == 0 && four_to_eight == 0 && eight_to_ten == 0 && ten_to_twelve == -1) { - struct sockaddr_in *in_ptr = (struct sockaddr_in *)&tmpaddr; - memset (&tmpaddr, 0, sizeof (tmpaddr)); - + struct sockaddr_in *in_ptr = &sock_union.sin; + memset (&sock_union, 0, sizeof (sock_union)); + in_ptr->sin_family = AF_INET; in_ptr->sin_port = ((struct sockaddr_in6 *)addr)->sin6_port; in_ptr->sin_addr.s_addr = twelve_to_sixteen; @@ -635,7 +626,7 @@ fill_inet6_inet_identifiers (rpc_transport_t *this, struct sockaddr_storage *add } } - ret = getnameinfo ((struct sockaddr *) &tmpaddr, + ret = getnameinfo (&sock_union.sa, tmpaddr_len, host, sizeof (host), service, sizeof (service), @@ -666,8 +657,8 @@ gf_rdma_get_transport_identifiers (rpc_transport_t *this) case AF_INET: case AF_INET6: { - ret = fill_inet6_inet_identifiers (this, - &this->myinfo.sockaddr, + ret = fill_inet6_inet_identifiers (this, + &this->myinfo.sockaddr, this->myinfo.sockaddr_len, this->myinfo.identifier); if (ret == -1) { @@ -705,7 +696,7 @@ gf_rdma_get_transport_identifiers (rpc_transport_t *this) break; default: - gf_log (this->name, GF_LOG_ERROR, + gf_log (this->name, GF_LOG_ERROR, "unknown address family (%d)", ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family); ret = -1; |
