X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=engines%2Fnet.c;h=5778bb0864a1399122623cac61c36d9bc439d7a4;hp=faa08d5f6741b10641c36f12de933f88406846fe;hb=71f9b933405d1ce1ea1ccf1c68745a164527dc15;hpb=0fd666bf0d5fc373f28b1b43d1df817f8ec89605 diff --git a/engines/net.c b/engines/net.c index faa08d5f..5778bb08 100644 --- a/engines/net.c +++ b/engines/net.c @@ -7,9 +7,11 @@ #include #include #include +#include #include #include #include +#include #include #include #include @@ -19,16 +21,31 @@ #include #include "../fio.h" +#include "../verify.h" struct netio_data { int listenfd; - int send_to_net; int use_splice; - int type; + int seq_off; int pipes[2]; - char host[64]; struct sockaddr_in addr; + struct sockaddr_in6 addr6; struct sockaddr_un addr_un; + uint64_t udp_send_seq; + uint64_t udp_recv_seq; +}; + +struct netio_options { + struct thread_data *td; + unsigned int port; + unsigned int proto; + unsigned int listen; + unsigned int pingpong; + unsigned int nodelay; + unsigned int ttl; + unsigned int window_size; + unsigned int mss; + char *intfc; }; struct udp_close_msg { @@ -36,15 +53,234 @@ struct udp_close_msg { uint32_t cmd; }; +struct udp_seq { + uint64_t magic; + uint64_t seq; + uint64_t bs; +}; + enum { FIO_LINK_CLOSE = 0x89, - FIO_LINK_CLOSE_MAGIC = 0x6c696e6b, + FIO_LINK_OPEN_CLOSE_MAGIC = 0x6c696e6b, + FIO_LINK_OPEN = 0x98, + FIO_UDP_SEQ_MAGIC = 0x657375716e556563ULL, FIO_TYPE_TCP = 1, FIO_TYPE_UDP = 2, FIO_TYPE_UNIX = 3, + FIO_TYPE_TCP_V6 = 4, + FIO_TYPE_UDP_V6 = 5, +}; + +static int str_hostname_cb(void *data, const char *input); +static struct fio_option options[] = { + { + .name = "hostname", + .lname = "net engine hostname", + .type = FIO_OPT_STR_STORE, + .cb = str_hostname_cb, + .help = "Hostname for net IO engine", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, + { + .name = "port", + .lname = "net engine port", + .type = FIO_OPT_INT, + .off1 = offsetof(struct netio_options, port), + .minval = 1, + .maxval = 65535, + .help = "Port to use for TCP or UDP net connections", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, + { + .name = "protocol", + .lname = "net engine protocol", + .alias = "proto", + .type = FIO_OPT_STR, + .off1 = offsetof(struct netio_options, proto), + .help = "Network protocol to use", + .def = "tcp", + .posval = { + { .ival = "tcp", + .oval = FIO_TYPE_TCP, + .help = "Transmission Control Protocol", + }, +#ifdef CONFIG_IPV6 + { .ival = "tcpv6", + .oval = FIO_TYPE_TCP_V6, + .help = "Transmission Control Protocol V6", + }, +#endif + { .ival = "udp", + .oval = FIO_TYPE_UDP, + .help = "User Datagram Protocol", + }, +#ifdef CONFIG_IPV6 + { .ival = "udpv6", + .oval = FIO_TYPE_UDP_V6, + .help = "User Datagram Protocol V6", + }, +#endif + { .ival = "unix", + .oval = FIO_TYPE_UNIX, + .help = "UNIX domain socket", + }, + }, + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, +#ifdef CONFIG_TCP_NODELAY + { + .name = "nodelay", + .type = FIO_OPT_BOOL, + .off1 = offsetof(struct netio_options, nodelay), + .help = "Use TCP_NODELAY on TCP connections", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, +#endif + { + .name = "listen", + .lname = "net engine listen", + .type = FIO_OPT_STR_SET, + .off1 = offsetof(struct netio_options, listen), + .help = "Listen for incoming TCP connections", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, + { + .name = "pingpong", + .type = FIO_OPT_STR_SET, + .off1 = offsetof(struct netio_options, pingpong), + .help = "Ping-pong IO requests", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, + { + .name = "interface", + .lname = "net engine interface", + .type = FIO_OPT_STR_STORE, + .off1 = offsetof(struct netio_options, intfc), + .help = "Network interface to use", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, + { + .name = "ttl", + .lname = "net engine multicast ttl", + .type = FIO_OPT_INT, + .off1 = offsetof(struct netio_options, ttl), + .def = "1", + .minval = 0, + .help = "Time-to-live value for outgoing UDP multicast packets", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, +#ifdef CONFIG_NET_WINDOWSIZE + { + .name = "window_size", + .lname = "Window Size", + .type = FIO_OPT_INT, + .off1 = offsetof(struct netio_options, window_size), + .minval = 0, + .help = "Set socket buffer window size", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, +#endif +#ifdef CONFIG_NET_MSS + { + .name = "mss", + .lname = "Maximum segment size", + .type = FIO_OPT_INT, + .off1 = offsetof(struct netio_options, mss), + .minval = 0, + .help = "Set TCP maximum segment size", + .category = FIO_OPT_C_ENGINE, + .group = FIO_OPT_G_NETIO, + }, +#endif + { + .name = NULL, + }, }; +static inline int is_udp(struct netio_options *o) +{ + return o->proto == FIO_TYPE_UDP || o->proto == FIO_TYPE_UDP_V6; +} + +static inline int is_tcp(struct netio_options *o) +{ + return o->proto == FIO_TYPE_TCP || o->proto == FIO_TYPE_TCP_V6; +} + +static inline int is_ipv6(struct netio_options *o) +{ + return o->proto == FIO_TYPE_UDP_V6 || o->proto == FIO_TYPE_TCP_V6; +} + +static int set_window_size(struct thread_data *td, int fd) +{ +#ifdef CONFIG_NET_WINDOWSIZE + struct netio_options *o = td->eo; + unsigned int wss; + int snd, rcv, ret; + + if (!o->window_size) + return 0; + + rcv = o->listen || o->pingpong; + snd = !o->listen || o->pingpong; + wss = o->window_size; + ret = 0; + + if (rcv) { + ret = setsockopt(fd, SOL_SOCKET, SO_RCVBUF, (void *) &wss, + sizeof(wss)); + if (ret < 0) + td_verror(td, errno, "rcvbuf window size"); + } + if (snd && !ret) { + ret = setsockopt(fd, SOL_SOCKET, SO_SNDBUF, (void *) &wss, + sizeof(wss)); + if (ret < 0) + td_verror(td, errno, "sndbuf window size"); + } + + return ret; +#else + td_verror(td, -EINVAL, "setsockopt window size"); + return -1; +#endif +} + +static int set_mss(struct thread_data *td, int fd) +{ +#ifdef CONFIG_NET_MSS + struct netio_options *o = td->eo; + unsigned int mss; + int ret; + + if (!o->mss || !is_tcp(o)) + return 0; + + mss = o->mss; + ret = setsockopt(fd, IPPROTO_TCP, TCP_MAXSEG, (void *) &mss, + sizeof(mss)); + if (ret < 0) + td_verror(td, errno, "setsockopt TCP_MAXSEG"); + + return ret; +#else + td_verror(td, -EINVAL, "setsockopt TCP_MAXSEG"); + return -1; +#endif +} + + /* * Return -1 for error and 'nr events' for a positive number * of events @@ -76,23 +312,40 @@ static int poll_wait(struct thread_data *td, int fd, short events) return -1; } +static int fio_netio_is_multicast(const char *mcaddr) +{ + in_addr_t addr = inet_network(mcaddr); + if (addr == -1) + return 0; + + if (inet_network("224.0.0.0") <= addr && + inet_network("239.255.255.255") >= addr) + return 1; + + return 0; +} + + static int fio_netio_prep(struct thread_data *td, struct io_u *io_u) { - struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; /* * Make sure we don't see spurious reads to a receiver, and vice versa */ - if ((nd->send_to_net && io_u->ddir == DDIR_READ) || - (!nd->send_to_net && io_u->ddir == DDIR_WRITE)) { + if (is_tcp(o)) + return 0; + + if ((o->listen && io_u->ddir == DDIR_WRITE) || + (!o->listen && io_u->ddir == DDIR_READ)) { td_verror(td, EINVAL, "bad direction"); return 1; } - + return 0; } -#ifdef FIO_HAVE_SPLICE +#ifdef CONFIG_LINUX_SPLICE static int splice_io_u(int fdin, int fdout, unsigned int len) { int bytes = 0; @@ -227,25 +480,72 @@ static int fio_netio_splice_out(struct thread_data *td, struct io_u *io_u) } #endif +static void store_udp_seq(struct netio_data *nd, struct io_u *io_u) +{ + struct udp_seq *us; + + us = io_u->xfer_buf + io_u->xfer_buflen - sizeof(*us); + us->magic = cpu_to_le64(FIO_UDP_SEQ_MAGIC); + us->bs = cpu_to_le64((uint64_t) io_u->xfer_buflen); + us->seq = cpu_to_le64(nd->udp_send_seq++); +} + +static void verify_udp_seq(struct thread_data *td, struct netio_data *nd, + struct io_u *io_u) +{ + struct udp_seq *us; + uint64_t seq; + + if (nd->seq_off) + return; + + us = io_u->xfer_buf + io_u->xfer_buflen - sizeof(*us); + if (le64_to_cpu(us->magic) != FIO_UDP_SEQ_MAGIC) + return; + if (le64_to_cpu(us->bs) != io_u->xfer_buflen) { + nd->seq_off = 1; + return; + } + + seq = le64_to_cpu(us->seq); + + if (seq != nd->udp_recv_seq) + td->ts.drop_io_u[io_u->ddir] += seq - nd->udp_recv_seq; + + nd->udp_recv_seq = seq + 1; +} + static int fio_netio_send(struct thread_data *td, struct io_u *io_u) { struct netio_data *nd = td->io_ops->data; - int ret, flags = OS_MSG_DONTWAIT; + struct netio_options *o = td->eo; + int ret, flags = 0; do { - if (nd->type == FIO_TYPE_UDP) { - struct sockaddr *to = (struct sockaddr *) &nd->addr; + if (is_udp(o)) { + const struct sockaddr *to; + socklen_t len; + + if (is_ipv6(o)) { + to = (struct sockaddr *) &nd->addr6; + len = sizeof(nd->addr6); + } else { + to = (struct sockaddr *) &nd->addr; + len = sizeof(nd->addr); + } + + if (td->o.verify == VERIFY_NONE) + store_udp_seq(nd, io_u); ret = sendto(io_u->file->fd, io_u->xfer_buf, - io_u->xfer_buflen, flags, to, - sizeof(*to)); + io_u->xfer_buflen, flags, to, len); } else { /* * if we are going to write more, set MSG_MORE */ #ifdef MSG_MORE - if (td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < - td->o.size) + if ((td->this_io_bytes[DDIR_WRITE] + io_u->xfer_buflen < + td->o.size) && !o->pingpong) flags |= MSG_MORE; #endif ret = send(io_u->file->fd, io_u->xfer_buf, @@ -257,8 +557,6 @@ static int fio_netio_send(struct thread_data *td, struct io_u *io_u) ret = poll_wait(td, io_u->file->fd, POLLOUT); if (ret <= 0) break; - - flags &= ~OS_MSG_DONTWAIT; } while (1); return ret; @@ -272,7 +570,7 @@ static int is_udp_close(struct io_u *io_u, int len) return 0; msg = io_u->xfer_buf; - if (ntohl(msg->magic) != FIO_LINK_CLOSE_MAGIC) + if (ntohl(msg->magic) != FIO_LINK_OPEN_CLOSE_MAGIC) return 0; if (ntohl(msg->cmd) != FIO_LINK_CLOSE) return 0; @@ -283,15 +581,30 @@ static int is_udp_close(struct io_u *io_u, int len) static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) { struct netio_data *nd = td->io_ops->data; - int ret, flags = OS_MSG_DONTWAIT; + struct netio_options *o = td->eo; + int ret, flags = 0; do { - if (nd->type == FIO_TYPE_UDP) { - fio_socklen_t len = sizeof(nd->addr); - struct sockaddr *from = (struct sockaddr *) &nd->addr; + if (is_udp(o)) { + struct sockaddr *from; + socklen_t l, *len = &l; + + if (o->listen) { + if (!is_ipv6(o)) { + from = (struct sockaddr *) &nd->addr; + *len = sizeof(nd->addr); + } else { + from = (struct sockaddr *) &nd->addr6; + *len = sizeof(nd->addr6); + } + } else { + from = NULL; + len = NULL; + } ret = recvfrom(io_u->file->fd, io_u->xfer_buf, - io_u->xfer_buflen, flags, from, &len); + io_u->xfer_buflen, flags, from, len); + if (is_udp_close(io_u, ret)) { td->done = 1; return 0; @@ -302,33 +615,37 @@ static int fio_netio_recv(struct thread_data *td, struct io_u *io_u) } if (ret > 0) break; + else if (!ret && (flags & MSG_WAITALL)) + break; ret = poll_wait(td, io_u->file->fd, POLLIN); if (ret <= 0) break; - flags &= ~OS_MSG_DONTWAIT; flags |= MSG_WAITALL; } while (1); + if (is_udp(o) && td->o.verify == VERIFY_NONE) + verify_udp_seq(td, nd, io_u); + return ret; } -static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) +static int __fio_netio_queue(struct thread_data *td, struct io_u *io_u, + enum fio_ddir ddir) { struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; int ret; - fio_ro_check(td, io_u); - - if (io_u->ddir == DDIR_WRITE) { - if (!nd->use_splice || nd->type == FIO_TYPE_UDP || - nd->type == FIO_TYPE_UNIX) + if (ddir == DDIR_WRITE) { + if (!nd->use_splice || is_udp(o) || + o->proto == FIO_TYPE_UNIX) ret = fio_netio_send(td, io_u); else ret = fio_netio_splice_out(td, io_u); - } else if (io_u->ddir == DDIR_READ) { - if (!nd->use_splice || nd->type == FIO_TYPE_UDP || - nd->type == FIO_TYPE_UDP) + } else if (ddir == DDIR_READ) { + if (!nd->use_splice || is_udp(o) || + o->proto == FIO_TYPE_UNIX) ret = fio_netio_recv(td, io_u); else ret = fio_netio_splice_in(td, io_u); @@ -336,14 +653,16 @@ static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) ret = 0; /* must be a SYNC */ if (ret != (int) io_u->xfer_buflen) { - if (ret >= 0) { + if (ret > 0) { io_u->resid = io_u->xfer_buflen - ret; io_u->error = 0; return FIO_Q_COMPLETED; - } else { + } else if (!ret) + return FIO_Q_BUSY; + else { int err = errno; - if (io_u->ddir == DDIR_WRITE && err == EMSGSIZE) + if (ddir == DDIR_WRITE && err == EMSGSIZE) return FIO_Q_BUSY; io_u->error = err; @@ -356,22 +675,51 @@ static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) return FIO_Q_COMPLETED; } +static int fio_netio_queue(struct thread_data *td, struct io_u *io_u) +{ + struct netio_options *o = td->eo; + int ret; + + fio_ro_check(td, io_u); + + ret = __fio_netio_queue(td, io_u, io_u->ddir); + if (!o->pingpong || ret != FIO_Q_COMPLETED) + return ret; + + /* + * For ping-pong mode, receive or send reply as needed + */ + if (td_read(td) && io_u->ddir == DDIR_READ) + ret = __fio_netio_queue(td, io_u, DDIR_WRITE); + else if (td_write(td) && io_u->ddir == DDIR_WRITE) + ret = __fio_netio_queue(td, io_u, DDIR_READ); + + return ret; +} + static int fio_netio_connect(struct thread_data *td, struct fio_file *f) { struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; int type, domain; - if (nd->type == FIO_TYPE_TCP) { + if (o->proto == FIO_TYPE_TCP) { domain = AF_INET; type = SOCK_STREAM; - } else if (nd->type == FIO_TYPE_UDP) { + } else if (o->proto == FIO_TYPE_TCP_V6) { + domain = AF_INET6; + type = SOCK_STREAM; + } else if (o->proto == FIO_TYPE_UDP) { domain = AF_INET; type = SOCK_DGRAM; - } else if (nd->type == FIO_TYPE_UNIX) { + } else if (o->proto == FIO_TYPE_UDP_V6) { + domain = AF_INET6; + type = SOCK_DGRAM; + } else if (o->proto == FIO_TYPE_UNIX) { domain = AF_UNIX; type = SOCK_STREAM; } else { - log_err("fio: bad network type %d\n", nd->type); + log_err("fio: bad network type %d\n", o->proto); f->fd = -1; return 1; } @@ -382,23 +730,81 @@ static int fio_netio_connect(struct thread_data *td, struct fio_file *f) return 1; } - if (nd->type == FIO_TYPE_UDP) +#ifdef CONFIG_TCP_NODELAY + if (o->nodelay && is_tcp(o)) { + int optval = 1; + + if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { + log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); + return 1; + } + } +#endif + + if (set_window_size(td, f->fd)) { + close(f->fd); + return 1; + } + if (set_mss(td, f->fd)) { + close(f->fd); + return 1; + } + + if (is_udp(o)) { + if (!fio_netio_is_multicast(td->o.filename)) + return 0; + if (is_ipv6(o)) { + log_err("fio: multicast not supported on IPv6\n"); + close(f->fd); + return 1; + } + + if (o->intfc) { + struct in_addr interface_addr; + + if (inet_aton(o->intfc, &interface_addr) == 0) { + log_err("fio: interface not valid interface IP\n"); + close(f->fd); + return 1; + } + if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_IF, (const char*)&interface_addr, sizeof(interface_addr)) < 0) { + td_verror(td, errno, "setsockopt IP_MULTICAST_IF"); + close(f->fd); + return 1; + } + } + if (setsockopt(f->fd, IPPROTO_IP, IP_MULTICAST_TTL, (const char*)&o->ttl, sizeof(o->ttl)) < 0) { + td_verror(td, errno, "setsockopt IP_MULTICAST_TTL"); + close(f->fd); + return 1; + } return 0; - else if (nd->type == FIO_TYPE_TCP) { - fio_socklen_t len = sizeof(nd->addr); + } else if (o->proto == FIO_TYPE_TCP) { + socklen_t len = sizeof(nd->addr); if (connect(f->fd, (struct sockaddr *) &nd->addr, len) < 0) { td_verror(td, errno, "connect"); + close(f->fd); + return 1; + } + } else if (o->proto == FIO_TYPE_TCP_V6) { + socklen_t len = sizeof(nd->addr6); + + if (connect(f->fd, (struct sockaddr *) &nd->addr6, len) < 0) { + td_verror(td, errno, "connect"); + close(f->fd); return 1; } + } else { struct sockaddr_un *addr = &nd->addr_un; - fio_socklen_t len; + socklen_t len; len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1; if (connect(f->fd, (struct sockaddr *) addr, len) < 0) { td_verror(td, errno, "connect"); + close(f->fd); return 1; } } @@ -409,91 +815,276 @@ static int fio_netio_connect(struct thread_data *td, struct fio_file *f) static int fio_netio_accept(struct thread_data *td, struct fio_file *f) { struct netio_data *nd = td->io_ops->data; - fio_socklen_t socklen = sizeof(nd->addr); + struct netio_options *o = td->eo; + socklen_t socklen; + int state; - if (nd->type == FIO_TYPE_UDP) { + if (is_udp(o)) { f->fd = nd->listenfd; return 0; } + state = td->runstate; + td_set_runstate(td, TD_SETTING_UP); + log_info("fio: waiting for connection\n"); if (poll_wait(td, nd->listenfd, POLLIN) < 0) - return 1; + goto err; + + if (o->proto == FIO_TYPE_TCP) { + socklen = sizeof(nd->addr); + f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); + } else { + socklen = sizeof(nd->addr6); + f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr6, &socklen); + } - f->fd = accept(nd->listenfd, (struct sockaddr *) &nd->addr, &socklen); if (f->fd < 0) { td_verror(td, errno, "accept"); - return 1; + goto err; } - return 0; -} - -static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) -{ - int ret; +#ifdef CONFIG_TCP_NODELAY + if (o->nodelay && is_tcp(o)) { + int optval = 1; - if (td_read(td)) - ret = fio_netio_accept(td, f); - else - ret = fio_netio_connect(td, f); + if (setsockopt(f->fd, IPPROTO_TCP, TCP_NODELAY, (void *) &optval, sizeof(int)) < 0) { + log_err("fio: cannot set TCP_NODELAY option on socket (%s), disable with 'nodelay=0'\n", strerror(errno)); + return 1; + } + } +#endif - if (ret) - f->fd = -1; - return ret; + reset_all_stats(td); + td_set_runstate(td, state); + return 0; +err: + td_set_runstate(td, state); + return 1; } static void fio_netio_udp_close(struct thread_data *td, struct fio_file *f) { struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; struct udp_close_msg msg; - struct sockaddr *to = (struct sockaddr *) &nd->addr; + struct sockaddr *to; + socklen_t len; int ret; - msg.magic = htonl(FIO_LINK_CLOSE_MAGIC); + if (is_ipv6(o)) { + to = (struct sockaddr *) &nd->addr6; + len = sizeof(nd->addr6); + } else { + to = (struct sockaddr *) &nd->addr; + len = sizeof(nd->addr); + } + + msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); msg.cmd = htonl(FIO_LINK_CLOSE); - ret = sendto(f->fd, &msg, sizeof(msg), MSG_WAITALL, to, - sizeof(nd->addr)); + ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len); if (ret < 0) td_verror(td, errno, "sendto udp link close"); } static int fio_netio_close_file(struct thread_data *td, struct fio_file *f) { - struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; /* * If this is an UDP connection, notify the receiver that we are * closing down the link */ - if (nd->type == FIO_TYPE_UDP) + if (is_udp(o)) fio_netio_udp_close(td, f); return generic_close_file(td, f); } +static int fio_netio_udp_recv_open(struct thread_data *td, struct fio_file *f) +{ + struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; + struct udp_close_msg msg; + struct sockaddr *to; + socklen_t len; + int ret; + + if (is_ipv6(o)) { + len = sizeof(nd->addr6); + to = (struct sockaddr *) &nd->addr6; + } else { + len = sizeof(nd->addr); + to = (struct sockaddr *) &nd->addr; + } + + ret = recvfrom(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, &len); + if (ret < 0) { + td_verror(td, errno, "recvfrom udp link open"); + return ret; + } + + if (ntohl(msg.magic) != FIO_LINK_OPEN_CLOSE_MAGIC || + ntohl(msg.cmd) != FIO_LINK_OPEN) { + log_err("fio: bad udp open magic %x/%x\n", ntohl(msg.magic), + ntohl(msg.cmd)); + return -1; + } + + fio_gettime(&td->start, NULL); + return 0; +} + +static int fio_netio_udp_send_open(struct thread_data *td, struct fio_file *f) +{ + struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; + struct udp_close_msg msg; + struct sockaddr *to; + socklen_t len; + int ret; + + if (is_ipv6(o)) { + len = sizeof(nd->addr6); + to = (struct sockaddr *) &nd->addr6; + } else { + len = sizeof(nd->addr); + to = (struct sockaddr *) &nd->addr; + } + + msg.magic = htonl(FIO_LINK_OPEN_CLOSE_MAGIC); + msg.cmd = htonl(FIO_LINK_OPEN); + + ret = sendto(f->fd, (void *) &msg, sizeof(msg), MSG_WAITALL, to, len); + if (ret < 0) { + td_verror(td, errno, "sendto udp link open"); + return ret; + } + + return 0; +} + +static int fio_netio_open_file(struct thread_data *td, struct fio_file *f) +{ + int ret; + struct netio_options *o = td->eo; + + if (o->listen) + ret = fio_netio_accept(td, f); + else + ret = fio_netio_connect(td, f); + + if (ret) { + f->fd = -1; + return ret; + } + + if (is_udp(o)) { + if (td_write(td)) + ret = fio_netio_udp_send_open(td, f); + else { + int state; + + state = td->runstate; + td_set_runstate(td, TD_SETTING_UP); + ret = fio_netio_udp_recv_open(td, f); + td_set_runstate(td, state); + } + } + + if (ret) + fio_netio_close_file(td, f); + + return ret; +} + +static int fio_fill_addr(struct thread_data *td, const char *host, int af, + void *dst, struct addrinfo **res) +{ + struct netio_options *o = td->eo; + struct addrinfo hints; + int ret; + + if (inet_pton(af, host, dst)) + return 0; + + memset(&hints, 0, sizeof(hints)); + + if (is_tcp(o)) + hints.ai_socktype = SOCK_STREAM; + else + hints.ai_socktype = SOCK_DGRAM; + + if (is_ipv6(o)) + hints.ai_family = AF_INET6; + else + hints.ai_family = AF_INET; + + ret = getaddrinfo(host, NULL, &hints, res); + if (ret) { + int e = EINVAL; + char str[128]; + + if (ret == EAI_SYSTEM) + e = errno; + + snprintf(str, sizeof(str), "getaddrinfo: %s", gai_strerror(ret)); + td_verror(td, e, str); + return 1; + } + + return 0; +} + static int fio_netio_setup_connect_inet(struct thread_data *td, const char *host, unsigned short port) { struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; + struct addrinfo *res = NULL; + void *dst, *src; + int af, len; + + if (!host) { + log_err("fio: connect with no host to connect to.\n"); + if (td_read(td)) + log_err("fio: did you forget to set 'listen'?\n"); + + td_verror(td, EINVAL, "no hostname= set"); + return 1; + } nd->addr.sin_family = AF_INET; nd->addr.sin_port = htons(port); + nd->addr6.sin6_family = AF_INET6; + nd->addr6.sin6_port = htons(port); - if (inet_aton(host, &nd->addr.sin_addr) != 1) { - struct hostent *hent; + if (is_ipv6(o)) { + af = AF_INET6; + dst = &nd->addr6.sin6_addr; + } else { + af = AF_INET; + dst = &nd->addr.sin_addr; + } - hent = gethostbyname(host); - if (!hent) { - td_verror(td, errno, "gethostbyname"); - return 1; - } + if (fio_fill_addr(td, host, af, dst, &res)) + return 1; - memcpy(&nd->addr.sin_addr, hent->h_addr, 4); + if (!res) + return 0; + + if (is_ipv6(o)) { + len = sizeof(nd->addr6.sin6_addr); + src = &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr; + } else { + len = sizeof(nd->addr.sin_addr); + src = &((struct sockaddr_in *) res->ai_addr)->sin_addr; } + memcpy(dst, src, len); + freeaddrinfo(res); return 0; } @@ -504,19 +1095,19 @@ static int fio_netio_setup_connect_unix(struct thread_data *td, struct sockaddr_un *soun = &nd->addr_un; soun->sun_family = AF_UNIX; - strcpy(soun->sun_path, path); + memset(soun->sun_path, 0, sizeof(soun->sun_path)); + strncpy(soun->sun_path, path, sizeof(soun->sun_path) - 1); return 0; } -static int fio_netio_setup_connect(struct thread_data *td, const char *host, - unsigned short port) +static int fio_netio_setup_connect(struct thread_data *td) { - struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; - if (nd->type == FIO_TYPE_UDP || nd->type == FIO_TYPE_TCP) - return fio_netio_setup_connect_inet(td, host, port); + if (is_udp(o) || is_tcp(o)) + return fio_netio_setup_connect_inet(td, td->o.filename,o->port); else - return fio_netio_setup_connect_unix(td, host); + return fio_netio_setup_connect_unix(td, td->o.filename); } static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) @@ -536,13 +1127,14 @@ static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) memset(addr, 0, sizeof(*addr)); addr->sun_family = AF_UNIX; - strcpy(addr->sun_path, path); + strncpy(addr->sun_path, path, sizeof(addr->sun_path) - 1); unlink(path); len = sizeof(addr->sun_family) + strlen(path) + 1; if (bind(fd, (struct sockaddr *) addr, len) < 0) { log_err("fio: bind: %s\n", strerror(errno)); + close(fd); return -1; } @@ -554,36 +1146,111 @@ static int fio_netio_setup_listen_unix(struct thread_data *td, const char *path) static int fio_netio_setup_listen_inet(struct thread_data *td, short port) { struct netio_data *nd = td->io_ops->data; - int fd, opt, type; + struct netio_options *o = td->eo; + struct ip_mreq mr; + struct sockaddr_in sin; + struct sockaddr *saddr; + int fd, opt, type, domain; + socklen_t len; + + memset(&sin, 0, sizeof(sin)); - if (nd->type == FIO_TYPE_TCP) + if (o->proto == FIO_TYPE_TCP) { type = SOCK_STREAM; - else + domain = AF_INET; + } else if (o->proto == FIO_TYPE_TCP_V6) { + type = SOCK_STREAM; + domain = AF_INET6; + } else if (o->proto == FIO_TYPE_UDP) { + type = SOCK_DGRAM; + domain = AF_INET; + } else if (o->proto == FIO_TYPE_UDP_V6) { type = SOCK_DGRAM; + domain = AF_INET6; + } else { + log_err("fio: unknown proto %d\n", o->proto); + return 1; + } - fd = socket(AF_INET, type, 0); + fd = socket(domain, type, 0); if (fd < 0) { td_verror(td, errno, "socket"); return 1; } opt = 1; - if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { + if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (void *) &opt, sizeof(opt)) < 0) { td_verror(td, errno, "setsockopt"); + close(fd); return 1; } #ifdef SO_REUSEPORT - if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { + if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, (void *) &opt, sizeof(opt)) < 0) { td_verror(td, errno, "setsockopt"); + close(fd); return 1; } #endif - nd->addr.sin_family = AF_INET; - nd->addr.sin_addr.s_addr = htonl(INADDR_ANY); - nd->addr.sin_port = htons(port); + if (set_window_size(td, fd)) { + close(fd); + return 1; + } + if (set_mss(td, fd)) { + close(fd); + return 1; + } + + if (td->o.filename) { + if (!is_udp(o) || !fio_netio_is_multicast(td->o.filename)) { + log_err("fio: hostname not valid for non-multicast inbound network IO\n"); + close(fd); + return 1; + } + if (is_ipv6(o)) { + log_err("fio: IPv6 not supported for multicast network IO"); + close(fd); + return 1; + } + + inet_aton(td->o.filename, &sin.sin_addr); + + mr.imr_multiaddr = sin.sin_addr; + if (o->intfc) { + if (inet_aton(o->intfc, &mr.imr_interface) == 0) { + log_err("fio: interface not valid interface IP\n"); + close(fd); + return 1; + } + } else { + mr.imr_interface.s_addr = htonl(INADDR_ANY); + } + + if (setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP, (const char*)&mr, sizeof(mr)) < 0) { + td_verror(td, errno, "setsockopt IP_ADD_MEMBERSHIP"); + close(fd); + return 1; + } + } - if (bind(fd, (struct sockaddr *) &nd->addr, sizeof(nd->addr)) < 0) { + if (!is_ipv6(o)) { + saddr = (struct sockaddr *) &nd->addr; + len = sizeof(nd->addr); + + nd->addr.sin_family = AF_INET; + nd->addr.sin_addr.s_addr = sin.sin_addr.s_addr ? sin.sin_addr.s_addr : htonl(INADDR_ANY); + nd->addr.sin_port = htons(port); + } else { + saddr = (struct sockaddr *) &nd->addr6; + len = sizeof(nd->addr6); + + nd->addr6.sin6_family = AF_INET6; + nd->addr6.sin6_addr = in6addr_any; + nd->addr6.sin6_port = htons(port); + } + + if (bind(fd, saddr, len) < 0) { + close(fd); td_verror(td, errno, "bind"); return 1; } @@ -592,20 +1259,20 @@ static int fio_netio_setup_listen_inet(struct thread_data *td, short port) return 0; } -static int fio_netio_setup_listen(struct thread_data *td, const char *path, - short port) +static int fio_netio_setup_listen(struct thread_data *td) { struct netio_data *nd = td->io_ops->data; + struct netio_options *o = td->eo; int ret; - if (nd->type == FIO_TYPE_UDP || nd->type == FIO_TYPE_TCP) - ret = fio_netio_setup_listen_inet(td, port); + if (is_udp(o) || is_tcp(o)) + ret = fio_netio_setup_listen_inet(td, o->port); else - ret = fio_netio_setup_listen_unix(td, path); + ret = fio_netio_setup_listen_unix(td, td->o.filename); if (ret) return ret; - if (nd->type == FIO_TYPE_UDP) + if (is_udp(o)) return 0; if (listen(nd->listenfd, 10) < 0) { @@ -619,72 +1286,50 @@ static int fio_netio_setup_listen(struct thread_data *td, const char *path, static int fio_netio_init(struct thread_data *td) { - struct netio_data *nd = td->io_ops->data; - unsigned int port; - char host[64], buf[128]; - char *sep, *portp, *modep; + struct netio_options *o = td->eo; int ret; - if (td_rw(td)) { - log_err("fio: network connections must be read OR write\n"); - return 1; - } +#ifdef WIN32 + WSADATA wsd; + WSAStartup(MAKEWORD(2,2), &wsd); +#endif + if (td_random(td)) { log_err("fio: network IO can't be random\n"); return 1; } - strcpy(buf, td->o.filename); - - sep = strchr(buf, ','); - if (!sep) - goto bad_host; - - *sep = '\0'; - sep++; - strcpy(host, buf); - if (!strlen(host)) - goto bad_host; + if (o->proto == FIO_TYPE_UNIX && o->port) { + log_err("fio: network IO port not valid with unix socket\n"); + return 1; + } else if (o->proto != FIO_TYPE_UNIX && !o->port) { + log_err("fio: network IO requires port for tcp or udp\n"); + return 1; + } - modep = NULL; - portp = sep; - sep = strchr(portp, ','); - if (sep) { - *sep = '\0'; - modep = sep + 1; + if (!is_tcp(o)) { + if (o->listen) { + log_err("fio: listen only valid for TCP proto IO\n"); + return 1; + } + if (td_rw(td)) { + log_err("fio: datagram network connections must be" + " read OR write\n"); + return 1; + } + if (o->proto == FIO_TYPE_UNIX && !td->o.filename) { + log_err("fio: UNIX sockets need host/filename\n"); + return 1; + } + o->listen = td_read(td); } - if (!strncmp("tcp", modep, strlen(modep)) || - !strncmp("TCP", modep, strlen(modep))) - nd->type = FIO_TYPE_TCP; - else if (!strncmp("udp", modep, strlen(modep)) || - !strncmp("UDP", modep, strlen(modep))) - nd->type = FIO_TYPE_UDP; - else if (!strncmp("unix", modep, strlen(modep)) || - !strncmp("UNIX", modep, strlen(modep))) - nd->type = FIO_TYPE_UNIX; + if (o->listen) + ret = fio_netio_setup_listen(td); else - goto bad_host; - - if (nd->type != FIO_TYPE_UNIX) { - port = strtol(portp, NULL, 10); - if (!port || port > 65535) - goto bad_host; - } else - port = 0; - - if (td_read(td)) { - nd->send_to_net = 0; - ret = fio_netio_setup_listen(td, host, port); - } else { - nd->send_to_net = 1; - ret = fio_netio_setup_connect(td, host, port); - } + ret = fio_netio_setup_connect(td); return ret; -bad_host: - log_err("fio: bad network host/port/protocol: %s\n", td->o.filename); - return 1; } static void fio_netio_cleanup(struct thread_data *td) @@ -707,6 +1352,12 @@ static int fio_netio_setup(struct thread_data *td) { struct netio_data *nd; + if (!td->files_index) { + add_file(td, td->o.filename ?: "net", 0, 0); + td->o.nr_files = td->o.nr_files ?: 1; + td->o.open_files++; + } + if (!td->io_ops->data) { nd = malloc(sizeof(*nd));; @@ -719,7 +1370,12 @@ static int fio_netio_setup(struct thread_data *td) return 0; } -#ifdef FIO_HAVE_SPLICE +static void fio_netio_terminate(struct thread_data *td) +{ + kill(td->pid, SIGTERM); +} + +#ifdef CONFIG_LINUX_SPLICE static int fio_netio_setup_splice(struct thread_data *td) { struct netio_data *nd; @@ -739,38 +1395,54 @@ static int fio_netio_setup_splice(struct thread_data *td) } static struct ioengine_ops ioengine_splice = { - .name = "netsplice", - .version = FIO_IOOPS_VERSION, - .prep = fio_netio_prep, - .queue = fio_netio_queue, - .setup = fio_netio_setup_splice, - .init = fio_netio_init, - .cleanup = fio_netio_cleanup, - .open_file = fio_netio_open_file, - .close_file = generic_close_file, - .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | - FIO_SIGTERM | FIO_PIPEIO, + .name = "netsplice", + .version = FIO_IOOPS_VERSION, + .prep = fio_netio_prep, + .queue = fio_netio_queue, + .setup = fio_netio_setup_splice, + .init = fio_netio_init, + .cleanup = fio_netio_cleanup, + .open_file = fio_netio_open_file, + .close_file = fio_netio_close_file, + .terminate = fio_netio_terminate, + .options = options, + .option_struct_size = sizeof(struct netio_options), + .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | + FIO_PIPEIO, }; #endif static struct ioengine_ops ioengine_rw = { - .name = "net", - .version = FIO_IOOPS_VERSION, - .prep = fio_netio_prep, - .queue = fio_netio_queue, - .setup = fio_netio_setup, - .init = fio_netio_init, - .cleanup = fio_netio_cleanup, - .open_file = fio_netio_open_file, - .close_file = fio_netio_close_file, - .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | - FIO_SIGTERM | FIO_PIPEIO, + .name = "net", + .version = FIO_IOOPS_VERSION, + .prep = fio_netio_prep, + .queue = fio_netio_queue, + .setup = fio_netio_setup, + .init = fio_netio_init, + .cleanup = fio_netio_cleanup, + .open_file = fio_netio_open_file, + .close_file = fio_netio_close_file, + .terminate = fio_netio_terminate, + .options = options, + .option_struct_size = sizeof(struct netio_options), + .flags = FIO_SYNCIO | FIO_DISKLESSIO | FIO_UNIDIR | + FIO_PIPEIO | FIO_BIT_BASED, }; +static int str_hostname_cb(void *data, const char *input) +{ + struct netio_options *o = data; + + if (o->td->o.filename) + free(o->td->o.filename); + o->td->o.filename = strdup(input); + return 0; +} + static void fio_init fio_netio_register(void) { register_ioengine(&ioengine_rw); -#ifdef FIO_HAVE_SPLICE +#ifdef CONFIG_LINUX_SPLICE register_ioengine(&ioengine_splice); #endif } @@ -778,7 +1450,7 @@ static void fio_init fio_netio_register(void) static void fio_exit fio_netio_unregister(void) { unregister_ioengine(&ioengine_rw); -#ifdef FIO_HAVE_SPLICE +#ifdef CONFIG_LINUX_SPLICE unregister_ioengine(&ioengine_splice); #endif }