int exit_backend = 0;
-static int server_fd = -1;
+enum {
+ SK_F_FREE = 1,
+ SK_F_COPY = 2,
+ SK_F_SIMPLE = 4,
+ SK_F_VEC = 8,
+};
+
+struct sk_entry {
+ struct flist_head list; /* link on sk_out->list */
+ int flags; /* SK_F_* */
+ int opcode; /* Actual command fields */
+ void *buf;
+ off_t size;
+ uint64_t *tagptr;
+ struct flist_head next; /* Other sk_entry's, if linked command */
+};
+
+struct sk_out {
+ unsigned int refs; /* frees sk_out when it drops to zero.
+ * protected by below ->lock */
+
+ int sk; /* socket fd to talk to client */
+ struct fio_mutex *lock; /* protects ref and below list */
+ struct flist_head list; /* list of pending transmit work */
+ struct fio_mutex *wait; /* wake backend when items added to list */
+};
+
static char *fio_server_arg;
static char *bind_sock;
static struct sockaddr_in saddr_in;
static unsigned int use_zlib;
static char me[128];
+static pthread_key_t sk_out_key;
+
struct fio_fork_item {
struct flist_head list;
int exitval;
"SENDFILE",
};
+static void sk_lock(struct sk_out *sk_out)
+{
+ fio_mutex_down(sk_out->lock);
+}
+
+static void sk_unlock(struct sk_out *sk_out)
+{
+ fio_mutex_up(sk_out->lock);
+}
+
+void sk_out_assign(struct sk_out *sk_out)
+{
+ if (!sk_out)
+ return;
+
+ sk_lock(sk_out);
+ sk_out->refs++;
+ sk_unlock(sk_out);
+ pthread_setspecific(sk_out_key, sk_out);
+}
+
+static void sk_out_free(struct sk_out *sk_out)
+{
+ fio_mutex_remove(sk_out->lock);
+ fio_mutex_remove(sk_out->wait);
+ sfree(sk_out);
+}
+
+static int __sk_out_drop(struct sk_out *sk_out)
+{
+ if (sk_out) {
+ int refs;
+
+ sk_lock(sk_out);
+ refs = --sk_out->refs;
+ sk_unlock(sk_out);
+
+ if (!refs) {
+ sk_out_free(sk_out);
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+void sk_out_drop(void)
+{
+ struct sk_out *sk_out;
+
+ sk_out = pthread_getspecific(sk_out_key);
+ if (!__sk_out_drop(sk_out))
+ pthread_setspecific(sk_out_key, NULL);
+}
+
+static void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
+ uint32_t pdu_len, uint64_t tag)
+{
+ memset(cmd, 0, sizeof(*cmd));
+
+ cmd->version = __cpu_to_le16(FIO_SERVER_VER);
+ cmd->opcode = cpu_to_le16(opcode);
+ cmd->tag = cpu_to_le64(tag);
+ cmd->pdu_len = cpu_to_le32(pdu_len);
+}
+
+
+static void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
+ const void *pdu, uint32_t pdu_len, uint64_t tag)
+{
+ __fio_init_net_cmd(cmd, opcode, pdu_len, tag);
+
+ if (pdu)
+ memcpy(&cmd->payload, pdu, pdu_len);
+}
+
const char *fio_server_op(unsigned int op)
{
static char buf[32];
if (!total_len)
return 0;
- if (errno)
- return -errno;
-
return 1;
}
-int fio_send_data(int sk, const void *p, unsigned int len)
+static int fio_send_data(int sk, const void *p, unsigned int len)
{
struct iovec iov = { .iov_base = (void *) p, .iov_len = len };
return fio_sendv_data(sk, &iov, 1);
}
-int fio_recv_data(int sk, void *p, unsigned int len)
+static int fio_recv_data(int sk, void *p, unsigned int len)
{
do {
int ret = recv(sk, p, len, MSG_WAITALL);
free(reply);
}
-void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu)
+static void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu)
{
uint32_t pdu_len;
cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len));
}
-void fio_net_cmd_crc(struct fio_net_cmd *cmd)
+static void fio_net_cmd_crc(struct fio_net_cmd *cmd)
{
fio_net_cmd_crc_pdu(cmd, cmd->payload);
}
return ret;
}
+static struct sk_entry *fio_net_prep_cmd(uint16_t opcode, void *buf, off_t size,
+ uint64_t *tagptr, int flags)
+{
+ struct sk_entry *entry;
+
+ entry = smalloc(sizeof(*entry));
+ INIT_FLIST_HEAD(&entry->next);
+ entry->opcode = opcode;
+ if (flags & SK_F_COPY) {
+ entry->buf = smalloc(size);
+ memcpy(entry->buf, buf, size);
+ } else
+ entry->buf = buf;
+ entry->size = size;
+ entry->tagptr = tagptr;
+ entry->flags = flags;
+
+ return entry;
+}
+
+static void fio_net_queue_entry(struct sk_entry *entry)
+{
+ struct sk_out *sk_out = pthread_getspecific(sk_out_key);
+
+ sk_lock(sk_out);
+ flist_add_tail(&entry->list, &sk_out->list);
+ sk_unlock(sk_out);
+
+ fio_mutex_up(sk_out->wait);
+}
+
+static int fio_net_queue_cmd(uint16_t opcode, void *buf, off_t size,
+ uint64_t *tagptr, int flags)
+{
+ struct sk_entry *entry;
+
+ entry = fio_net_prep_cmd(opcode, buf, size, tagptr, flags);
+ fio_net_queue_entry(entry);
+ return 0;
+}
+
static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag)
{
struct fio_net_cmd cmd;
return 0;
}
+static int fio_net_queue_quit(void)
+{
+ dprint(FD_NET, "server: sending quit\n");
+
+ return fio_net_queue_cmd(FIO_NET_CMD_QUIT, NULL, 0, 0, SK_F_SIMPLE);
+}
+
int fio_net_send_quit(int sk)
{
dprint(FD_NET, "server: sending quit\n");
return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL);
}
-static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error,
- int signal)
+static int fio_net_send_ack(struct fio_net_cmd *cmd, int error, int signal)
{
struct cmd_end_pdu epdu;
uint64_t tag = 0;
epdu.error = __cpu_to_le32(error);
epdu.signal = __cpu_to_le32(signal);
- return fio_net_send_cmd(sk, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, NULL);
+ return fio_net_queue_cmd(FIO_NET_CMD_STOP, &epdu, sizeof(epdu), &tag, SK_F_COPY);
}
-int fio_net_send_stop(int sk, int error, int signal)
+static int fio_net_queue_stop(int error, int signal)
{
dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal);
- return fio_net_send_ack(sk, NULL, error, signal);
+ return fio_net_send_ack(NULL, error, signal);
}
static void fio_server_add_fork_item(pid_t pid, struct flist_head *list)
}
}
-static void fio_server_fork_item_done(struct fio_fork_item *ffi)
+static void fio_server_fork_item_done(struct fio_fork_item *ffi, bool stop)
{
dprint(FD_NET, "pid %u exited, sig=%u, exitval=%d\n", (int) ffi->pid, ffi->signal, ffi->exitval);
/*
* Fold STOP and QUIT...
*/
- fio_net_send_stop(server_fd, ffi->exitval, ffi->signal);
- fio_net_send_quit(server_fd);
+ if (stop) {
+ fio_net_queue_stop(ffi->exitval, ffi->signal);
+ fio_net_queue_quit();
+ }
+
flist_del(&ffi->list);
free(ffi);
}
-static void fio_server_check_fork_items(struct flist_head *list)
+static void fio_server_check_fork_items(struct flist_head *list, bool stop)
{
struct flist_head *entry, *tmp;
struct fio_fork_item *ffi;
fio_server_check_fork_item(ffi);
if (ffi->exited)
- fio_server_fork_item_done(ffi);
+ fio_server_fork_item_done(ffi, stop);
}
}
static void fio_server_check_jobs(struct flist_head *job_list)
{
- fio_server_check_fork_items(job_list);
+ fio_server_check_fork_items(job_list, true);
}
static void fio_server_check_conns(struct flist_head *conn_list)
{
- fio_server_check_fork_items(conn_list);
+ fio_server_check_fork_items(conn_list, false);
}
static int handle_load_file_cmd(struct fio_net_cmd *cmd)
pdu->client_type = le16_to_cpu(pdu->client_type);
if (parse_jobs_ini(file_name, 0, 0, pdu->client_type)) {
- fio_net_send_quit(server_fd);
+ fio_net_queue_quit();
return -1;
}
spdu.jobs = cpu_to_le32(thread_number);
spdu.stat_outputs = cpu_to_le32(stat_number);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL);
+ fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY);
return 0;
}
-static int handle_run_cmd(struct flist_head *job_list, struct fio_net_cmd *cmd)
+static int handle_run_cmd(struct sk_out *sk_out, struct flist_head *job_list,
+ struct fio_net_cmd *cmd)
{
pid_t pid;
int ret;
return 0;
}
- ret = fio_backend(NULL);
+ ret = fio_backend(sk_out);
free_threads_shm();
_exit(ret);
}
pdu->client_type = le32_to_cpu(pdu->client_type);
if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) {
- fio_net_send_quit(server_fd);
+ fio_net_queue_quit();
return -1;
}
spdu.jobs = cpu_to_le32(thread_number);
spdu.stat_outputs = cpu_to_le32(stat_number);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL);
+
+ fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY);
return 0;
}
}
if (parse_cmd_line(clp->lines, argv, clp->client_type)) {
- fio_net_send_quit(server_fd);
+ fio_net_queue_quit();
free(argv);
return -1;
}
spdu.jobs = cpu_to_le32(thread_number);
spdu.stat_outputs = cpu_to_le32(stat_number);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL);
+
+ fio_net_queue_cmd(FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, SK_F_COPY);
return 0;
}
use_zlib = 0;
}
- return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL);
+ return fio_net_queue_cmd(FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, SK_F_COPY);
}
static int handle_send_eta_cmd(struct fio_net_cmd *cmd)
je->unit_base = cpu_to_le32(je->unit_base);
}
- fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL);
- free(je);
+ fio_net_queue_cmd(FIO_NET_CMD_ETA, je, size, &tag, SK_F_FREE);
return 0;
}
-static int send_update_job_reply(int fd, uint64_t __tag, int error)
+static int send_update_job_reply(uint64_t __tag, int error)
{
uint64_t tag = __tag;
uint32_t pdu_error;
pdu_error = __cpu_to_le32(error);
- return fio_net_send_cmd(fd, FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, NULL);
+ return fio_net_queue_cmd(FIO_NET_CMD_UPDATE_JOB, &pdu_error, sizeof(pdu_error), &tag, SK_F_COPY);
}
static int handle_update_job_cmd(struct fio_net_cmd *cmd)
dprint(FD_NET, "server: updating options for job %u\n", tnumber);
if (!tnumber || tnumber > thread_number) {
- send_update_job_reply(server_fd, cmd->tag, ENODEV);
+ send_update_job_reply(cmd->tag, ENODEV);
return 0;
}
td = &threads[tnumber - 1];
convert_thread_options_to_cpu(&td->o, &pdu->top);
- send_update_job_reply(server_fd, cmd->tag, 0);
+ send_update_job_reply(cmd->tag, 0);
return 0;
}
struct all_io_list state;
state.threads = cpu_to_le64((uint64_t) 0);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, NULL);
- } else {
- fio_net_send_cmd(server_fd, FIO_NET_CMD_VTRIGGER, rep, sz, NULL, NULL);
- free(rep);
- }
+ fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, &state, sizeof(state), NULL, SK_F_COPY);
+ } else
+ fio_net_queue_cmd(FIO_NET_CMD_VTRIGGER, rep, sz, NULL, SK_F_FREE);
exec_trigger(buf);
return 0;
}
-static int handle_command(struct flist_head *job_list, struct fio_net_cmd *cmd)
+static int handle_command(struct sk_out *sk_out, struct flist_head *job_list,
+ struct fio_net_cmd *cmd)
{
int ret;
switch (cmd->opcode) {
case FIO_NET_CMD_QUIT:
fio_terminate_threads(TERMINATE_ALL);
- return -1;
+ ret = 0;
+ break;
case FIO_NET_CMD_EXIT:
exit_backend = 1;
return -1;
ret = handle_send_eta_cmd(cmd);
break;
case FIO_NET_CMD_RUN:
- ret = handle_run_cmd(job_list, cmd);
+ ret = handle_run_cmd(sk_out, job_list, cmd);
break;
case FIO_NET_CMD_UPDATE_JOB:
ret = handle_update_job_cmd(cmd);
return ret;
}
-static int handle_connection(int sk)
+/*
+ * Send a command with a separate PDU, not inlined in the command
+ */
+static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf,
+ off_t size, uint64_t tag, uint32_t flags)
+{
+ struct fio_net_cmd cmd;
+ struct iovec iov[2];
+
+ iov[0].iov_base = (void *) &cmd;
+ iov[0].iov_len = sizeof(cmd);
+ iov[1].iov_base = (void *) buf;
+ iov[1].iov_len = size;
+
+ __fio_init_net_cmd(&cmd, opcode, size, tag);
+ cmd.flags = __cpu_to_le32(flags);
+ fio_net_cmd_crc_pdu(&cmd, buf);
+
+ return fio_sendv_data(sk, iov, 2);
+}
+
+static void finish_entry(struct sk_entry *entry)
+{
+ if (entry->flags & SK_F_FREE)
+ free(entry->buf);
+ else if (entry->flags & SK_F_COPY)
+ sfree(entry->buf);
+
+ sfree(entry);
+}
+
+static void entry_set_flags_tag(struct sk_entry *entry, struct flist_head *list,
+ unsigned int *flags, uint64_t *tag)
+{
+ if (!flist_empty(list))
+ *flags = FIO_NET_CMD_F_MORE;
+ else
+ *flags = 0;
+
+ if (entry->tagptr)
+ *tag = *entry->tagptr;
+ else
+ *tag = 0;
+}
+
+static int send_vec_entry(struct sk_out *sk_out, struct sk_entry *first)
+{
+ unsigned int flags;
+ uint64_t tag;
+ int ret;
+
+ entry_set_flags_tag(first, &first->next, &flags, &tag);
+
+ ret = fio_send_cmd_ext_pdu(sk_out->sk, first->opcode, first->buf, first->size, tag, flags);
+
+ while (!flist_empty(&first->next)) {
+ struct sk_entry *next;
+
+ next = flist_first_entry(&first->next, struct sk_entry, list);
+ flist_del_init(&next->list);
+
+ entry_set_flags_tag(next, &first->next, &flags, &tag);
+
+ ret += fio_send_cmd_ext_pdu(sk_out->sk, next->opcode, next->buf, next->size, tag, flags);
+ finish_entry(next);
+ }
+
+ return ret;
+}
+
+static int handle_sk_entry(struct sk_out *sk_out, struct sk_entry *entry)
+{
+ int ret;
+
+ if (entry->flags & SK_F_VEC)
+ ret = send_vec_entry(sk_out, entry);
+ if (entry->flags & SK_F_SIMPLE) {
+ uint64_t tag = 0;
+
+ if (entry->tagptr)
+ tag = *entry->tagptr;
+
+ ret = fio_net_send_simple_cmd(sk_out->sk, entry->opcode, tag, NULL);
+ } else
+ ret = fio_net_send_cmd(sk_out->sk, entry->opcode, entry->buf, entry->size, entry->tagptr, NULL);
+
+ if (ret)
+ log_err("fio: failed handling cmd %s\n", fio_server_op(entry->opcode));
+
+ finish_entry(entry);
+ return ret;
+}
+
+static int handle_xmits(struct sk_out *sk_out)
+{
+ struct sk_entry *entry;
+ FLIST_HEAD(list);
+ int ret = 0;
+
+ sk_lock(sk_out);
+ if (flist_empty(&sk_out->list)) {
+ sk_unlock(sk_out);
+ return 0;
+ }
+
+ flist_splice_init(&sk_out->list, &list);
+ sk_unlock(sk_out);
+
+ while (!flist_empty(&list)) {
+ entry = flist_entry(list.next, struct sk_entry, list);
+ flist_del(&entry->list);
+ ret += handle_sk_entry(sk_out, entry);
+ }
+
+ return ret;
+}
+
+static int handle_connection(struct sk_out *sk_out)
{
struct fio_net_cmd *cmd = NULL;
FLIST_HEAD(job_list);
int ret = 0;
reset_fio_state();
- server_fd = sk;
/* read forever */
while (!exit_backend) {
struct pollfd pfd = {
- .fd = sk,
+ .fd = sk_out->sk,
.events = POLLIN,
};
if (!flist_empty(&job_list))
timeout = 100;
- ret = poll(&pfd, 1, timeout);
+ handle_xmits(sk_out);
+
+ ret = poll(&pfd, 1, 0);
if (ret < 0) {
if (errno == EINTR)
break;
break;
} else if (!ret) {
fio_server_check_jobs(&job_list);
+ fio_mutex_down_timeout(sk_out->wait, timeout);
continue;
}
if (ret < 0)
break;
- cmd = fio_net_recv_cmd(sk);
+ cmd = fio_net_recv_cmd(sk_out->sk);
if (!cmd) {
ret = -1;
break;
}
- ret = handle_command(&job_list, cmd);
+ ret = handle_command(sk_out, &job_list, cmd);
if (ret)
break;
if (cmd)
free(cmd);
- close(sk);
+ handle_xmits(sk_out);
+
+ close(sk_out->sk);
+ sk_out->sk = -1;
+ __sk_out_drop(sk_out);
_exit(ret);
}
/* get the address on this host bound by the input socket,
* whether it is ipv6 or ipv4 */
-int get_my_addr_str( int sk )
+static int get_my_addr_str(int sk)
{
- int ret;
- struct sockaddr * sockaddr_p;
- struct sockaddr_in myaddr4 = {0};
- struct sockaddr_in6 myaddr6 = {0};
- char * net_addr;
- socklen_t len = use_ipv6 ? sizeof(myaddr6) : sizeof(myaddr4);
+ struct sockaddr_in6 myaddr6 = { 0, };
+ struct sockaddr_in myaddr4 = { 0, };
+ struct sockaddr *sockaddr_p;
+ char *net_addr;
+ socklen_t len;
+ int ret;
- if (use_ipv6)
+ if (use_ipv6) {
+ len = sizeof(myaddr6);
sockaddr_p = (struct sockaddr * )&myaddr6;
- else
+ net_addr = (char * )&myaddr6.sin6_addr;
+ } else {
+ len = sizeof(myaddr4);
sockaddr_p = (struct sockaddr * )&myaddr4;
+ net_addr = (char * )&myaddr4.sin_addr;
+ }
+
ret = getsockname(sk, sockaddr_p, &len);
if (ret) {
log_err("fio: getsockaddr: %s\n", strerror(errno));
return -1;
}
- if (use_ipv6)
- net_addr = (char * )&myaddr6.sin6_addr;
- else
- net_addr = (char * )&myaddr4.sin_addr;
- if (NULL == inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN-1)) {
+
+ if (!inet_ntop(use_ipv6?AF_INET6:AF_INET, net_addr, client_sockaddr_str, INET6_ADDRSTRLEN - 1)) {
log_err("inet_ntop: failed to convert addr to string\n");
return -1;
}
+
dprint(FD_NET, "fio server bound to addr %s\n", client_sockaddr_str);
return 0;
}
fio_set_fd_nonblocking(listen_sk, "server");
while (!exit_backend) {
+ struct sk_out *sk_out;
const char *from;
char buf[64];
pid_t pid;
dprint(FD_NET, "server: connect from %s\n", from);
+ sk_out = smalloc(sizeof(*sk_out));
+ sk_out->sk = sk;
+ INIT_FLIST_HEAD(&sk_out->list);
+ sk_out->lock = fio_mutex_init(FIO_MUTEX_UNLOCKED);
+ sk_out->wait = fio_mutex_init(FIO_MUTEX_LOCKED);
+
pid = fork();
if (pid) {
close(sk);
continue;
}
- /* exits */
- get_my_addr_str(sk); /* if error, it's already logged, non-fatal */
- handle_connection(sk);
+ /* if error, it's already logged, non-fatal */
+ get_my_addr_str(sk);
+
+ /*
+ * Assign sk_out here, it'll be dropped in handle_connection()
+ * since that function calls _exit() when done
+ */
+ sk_out_assign(sk_out);
+ handle_connection(sk_out);
}
return exitval;
int fio_server_text_output(int level, const char *buf, size_t len)
{
+ struct sk_out *sk_out = pthread_getspecific(sk_out_key);
struct cmd_text_pdu *pdu;
unsigned int tlen;
struct timeval tv;
- if (server_fd == -1)
+ if (!sk_out || sk_out->sk == -1)
return -1;
tlen = sizeof(*pdu) + len;
memcpy(pdu->buf, buf, len);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL);
+ fio_net_queue_cmd(FIO_NET_CMD_TEXT, pdu, tlen, NULL, SK_F_COPY);
free(pdu);
return len;
}
convert_gs(&p.rs, rs);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL);
+ fio_net_queue_cmd(FIO_NET_CMD_TS, &p, sizeof(p), NULL, SK_F_COPY);
}
void fio_server_send_gs(struct group_run_stats *rs)
dprint(FD_NET, "server sending group run stats\n");
convert_gs(&gs, rs);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL);
+ fio_net_queue_cmd(FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, SK_F_COPY);
}
static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src)
convert_dus(&pdu.dus, &du->dus);
convert_agg(&pdu.agg, &du->agg);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL);
+ fio_net_queue_cmd(FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, SK_F_COPY);
}
}
-/*
- * Send a command with a separate PDU, not inlined in the command
- */
-static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf,
- off_t size, uint64_t tag, uint32_t flags)
-{
- struct fio_net_cmd cmd;
- struct iovec iov[2];
-
- iov[0].iov_base = (void *) &cmd;
- iov[0].iov_len = sizeof(cmd);
- iov[1].iov_base = (void *) buf;
- iov[1].iov_len = size;
-
- __fio_init_net_cmd(&cmd, opcode, size, tag);
- cmd.flags = __cpu_to_le32(flags);
- fio_net_cmd_crc_pdu(&cmd, buf);
-
- return fio_sendv_data(sk, iov, 2);
-}
-
-static int fio_send_iolog_gz(struct cmd_iolog_pdu *pdu, struct io_log *log)
+static int fio_send_iolog_gz(struct sk_entry *first, struct io_log *log)
{
int ret = 0;
#ifdef CONFIG_ZLIB
+ struct sk_entry *entry;
z_stream stream;
void *out_pdu;
stream.avail_in = log->nr_samples * log_entry_sz(log);
do {
- unsigned int this_len, flags = 0;
+ unsigned int this_len;
stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU;
stream.next_out = out_pdu;
this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out;
- if (stream.avail_in)
- flags = FIO_NET_CMD_F_MORE;
-
- ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG,
- out_pdu, this_len, 0, flags);
- if (ret)
- goto err_zlib;
+ entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, out_pdu, this_len,
+ NULL, SK_F_FREE | SK_F_VEC);
+ flist_add_tail(&entry->list, &first->next);
} while (stream.avail_in);
err_zlib:
int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name)
{
struct cmd_iolog_pdu pdu;
+ struct sk_entry *first;
int i, ret = 0;
pdu.nr_samples = cpu_to_le64(log->nr_samples);
}
/*
- * Send header first, it's not compressed.
+ * Assemble header entry first
*/
- ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu,
- sizeof(pdu), 0, FIO_NET_CMD_F_MORE);
- if (ret)
- return ret;
+ first = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, &pdu, sizeof(pdu), NULL, SK_F_COPY | SK_F_VEC);
/*
- * Now send actual log, compress if we can, otherwise just plain
+ * Now append actual log entries. Compress if we can, otherwise just
+ * plain text output.
*/
if (use_zlib)
- return fio_send_iolog_gz(&pdu, log);
+ ret = fio_send_iolog_gz(first, log);
+ else {
+ struct sk_entry *entry;
+
+ entry = fio_net_prep_cmd(FIO_NET_CMD_IOLOG, log->log,
+ log->nr_samples * log_entry_sz(log),
+ NULL, SK_F_FREE | SK_F_VEC);
+ flist_add_tail(&entry->list, &first->next);
+ }
- return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log,
- log->nr_samples * log_entry_sz(log), 0, 0);
+ return ret;
}
void fio_server_send_add_job(struct thread_data *td)
pdu.groupid = cpu_to_le32(td->groupid);
convert_thread_options_to_net(&pdu.top, &td->o);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, NULL);
+ fio_net_queue_cmd(FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), NULL, SK_F_COPY);
}
void fio_server_send_start(struct thread_data *td)
{
- assert(server_fd != -1);
+ struct sk_out *sk_out = pthread_getspecific(sk_out_key);
+
+ assert(sk_out->sk != -1);
- fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL);
+ fio_net_queue_cmd(FIO_NET_CMD_SERVER_START, NULL, 0, 0, SK_F_SIMPLE);
}
int fio_server_get_verify_state(const char *name, int threadnumber,
verify_state_gen_name((char *) out.path, sizeof(out.path), name, me,
threadnumber);
tag = (uint64_t) (uintptr_t) rep;
- fio_net_send_cmd(server_fd, FIO_NET_CMD_SENDFILE, &out, sizeof(out),
- &tag, NULL);
+ fio_net_queue_cmd(FIO_NET_CMD_SENDFILE, &out, sizeof(out), &tag, SK_F_COPY);
/*
* Wait for the backend to receive the reply
fail:
*datap = NULL;
sfree(rep);
- fio_net_send_quit(server_fd);
+ fio_net_queue_quit();
return 1;
}
log_info("fio: server listening on %s\n", bind_str);
- if (listen(sk, 0) < 0) {
+ if (listen(sk, 4) < 0) {
log_err("fio: listen: %s\n", strerror(errno));
close(sk);
return -1;
{
int sk, ret;
+ if (pthread_key_create(&sk_out_key, NULL)) {
+ log_err("fio: can't create sk_out backend key\n");
+ return -1;
+ }
+
+ pthread_setspecific(sk_out_key, NULL);
+
dprint(FD_NET, "starting server\n");
if (fio_handle_server_arg())
void fio_server_got_signal(int signal)
{
+ struct sk_out *sk_out = pthread_getspecific(sk_out_key);
+
+ assert(sk_out);
+
if (signal == SIGPIPE)
- server_fd = -1;
+ sk_out->sk = -1;
else {
log_info("\nfio: terminating on signal %d\n", signal);
exit_backend = 1;
projects / fio.git / commitdiff