#include <unistd.h>
#include <limits.h>
#include <errno.h>
-#include <fcntl.h>
#include <sys/poll.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/un.h>
+#include <sys/uio.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <syslog.h>
#include <signal.h>
+#ifdef CONFIG_ZLIB
+#include <zlib.h>
+#endif
#include "fio.h"
+#include "options.h"
#include "server.h"
#include "crc/crc16.h"
#include "lib/ieee754.h"
+#include "verify.h"
+#include "smalloc.h"
-int fio_net_port = 8765;
+int fio_net_port = FIO_NET_PORT;
int exit_backend = 0;
static char *bind_sock;
static struct sockaddr_in saddr_in;
static struct sockaddr_in6 saddr_in6;
-static int first_cmd_check;
static int use_ipv6;
+#ifdef CONFIG_ZLIB
+static unsigned int has_zlib = 1;
+#else
+static unsigned int has_zlib = 0;
+#endif
+static unsigned int use_zlib;
+static char me[128];
+
+struct fio_fork_item {
+ struct flist_head list;
+ int exitval;
+ int signal;
+ int exited;
+ pid_t pid;
+};
+
+struct cmd_reply {
+ struct fio_mutex lock;
+ void *data;
+ size_t size;
+ int error;
+};
static const char *fio_server_ops[FIO_NET_CMD_NR] = {
"",
"START",
"STOP",
"DISK_UTIL",
+ "SERVER_START",
+ "ADD_JOB",
"RUN",
+ "IOLOG",
+ "UPDATE_JOB",
+ "LOAD_FILE",
+ "VTRIGGER",
+ "SENDFILE",
};
const char *fio_server_op(unsigned int op)
return buf;
}
-int fio_send_data(int sk, const void *p, unsigned int len)
+static ssize_t iov_total_len(const struct iovec *iov, int count)
{
- assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_PDU);
+ ssize_t ret = 0;
- do {
- int ret = send(sk, p, len, 0);
+ while (count--) {
+ ret += iov->iov_len;
+ iov++;
+ }
+
+ return ret;
+}
+static int fio_sendv_data(int sk, struct iovec *iov, int count)
+{
+ ssize_t total_len = iov_total_len(iov, count);
+ ssize_t ret;
+
+ do {
+ ret = writev(sk, iov, count);
if (ret > 0) {
- len -= ret;
- if (!len)
+ total_len -= ret;
+ if (!total_len)
break;
- p += ret;
- continue;
+
+ while (ret) {
+ if (ret >= iov->iov_len) {
+ ret -= iov->iov_len;
+ iov++;
+ continue;
+ }
+ iov->iov_base += ret;
+ iov->iov_len -= ret;
+ ret = 0;
+ }
} else if (!ret)
break;
else if (errno == EAGAIN || errno == EINTR)
break;
} while (!exit_backend);
- if (!len)
+ if (!total_len)
return 0;
+ if (errno)
+ return -errno;
+
return 1;
}
+int fio_send_data(int sk, const void *p, unsigned int len)
+{
+ struct iovec iov = { .iov_base = (void *) p, .iov_len = len };
+
+ assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU);
+
+ return fio_sendv_data(sk, &iov, 1);
+}
+
int fio_recv_data(int sk, void *p, unsigned int len)
{
do {
return 1;
}
- if (cmd->pdu_len > FIO_SERVER_MAX_PDU) {
+ if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) {
log_err("fio: command payload too large: %u\n", cmd->pdu_len);
return 1;
}
*/
struct fio_net_cmd *fio_net_recv_cmd(int sk)
{
- struct fio_net_cmd cmd, *cmdret = NULL;
+ struct fio_net_cmd cmd, *tmp, *cmdret = NULL;
size_t cmd_size = 0, pdu_offset = 0;
uint16_t crc;
int ret, first = 1;
} else
cmd_size += cmd.pdu_len;
- cmdret = realloc(cmdret, cmd_size);
+ if (cmd_size / 1024 > FIO_SERVER_MAX_CMD_MB * 1024) {
+ log_err("fio: cmd+pdu too large (%llu)\n", (unsigned long long) cmd_size);
+ ret = 1;
+ break;
+ }
+
+ tmp = realloc(cmdret, cmd_size);
+ if (!tmp) {
+ log_err("fio: server failed allocating cmd\n");
+ ret = 1;
+ break;
+ }
+ cmdret = tmp;
if (first)
memcpy(cmdret, &cmd, sizeof(cmd));
cmdret = NULL;
} else if (cmdret) {
/* zero-terminate text input */
- if (cmdret->pdu_len && (cmdret->opcode == FIO_NET_CMD_TEXT ||
- cmdret->opcode == FIO_NET_CMD_JOB)) {
- char *buf = (char *) cmdret->payload;
-
- buf[cmdret->pdu_len ] = '\0';
+ if (cmdret->pdu_len) {
+ if (cmdret->opcode == FIO_NET_CMD_TEXT) {
+ struct cmd_text_pdu *__pdu = (struct cmd_text_pdu *) cmdret->payload;
+ char *buf = (char *) __pdu->buf;
+
+ buf[__pdu->buf_len] = '\0';
+ } else if (cmdret->opcode == FIO_NET_CMD_JOB) {
+ struct cmd_job_pdu *__pdu = (struct cmd_job_pdu *) cmdret->payload;
+ char *buf = (char *) __pdu->buf;
+ int len = le32_to_cpu(__pdu->buf_len);
+
+ buf[len] = '\0';
+ }
}
+
/* frag flag is internal */
cmdret->flags &= ~FIO_NET_CMD_F_MORE;
}
return cmdret;
}
-void fio_net_cmd_crc(struct fio_net_cmd *cmd)
+static void add_reply(uint64_t tag, struct flist_head *list)
+{
+ struct fio_net_cmd_reply *reply;
+
+ reply = (struct fio_net_cmd_reply *) (uintptr_t) tag;
+ flist_add_tail(&reply->list, list);
+}
+
+static uint64_t alloc_reply(uint64_t tag, uint16_t opcode)
+{
+ struct fio_net_cmd_reply *reply;
+
+ reply = calloc(1, sizeof(*reply));
+ INIT_FLIST_HEAD(&reply->list);
+ fio_gettime(&reply->tv, NULL);
+ reply->saved_tag = tag;
+ reply->opcode = opcode;
+
+ return (uintptr_t) reply;
+}
+
+static void free_reply(uint64_t tag)
+{
+ struct fio_net_cmd_reply *reply;
+
+ reply = (struct fio_net_cmd_reply *) (uintptr_t) tag;
+ free(reply);
+}
+
+void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu)
{
uint32_t pdu_len;
cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ));
pdu_len = le32_to_cpu(cmd->pdu_len);
- if (pdu_len)
- cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(cmd->payload, pdu_len));
+ cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len));
+}
+
+void fio_net_cmd_crc(struct fio_net_cmd *cmd)
+{
+ fio_net_cmd_crc_pdu(cmd, cmd->payload);
}
int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size,
- uint64_t tag)
+ uint64_t *tagptr, struct flist_head *list)
{
struct fio_net_cmd *cmd = NULL;
size_t this_len, cur_len = 0;
+ uint64_t tag;
int ret;
+ if (list) {
+ assert(tagptr);
+ tag = *tagptr = alloc_reply(*tagptr, opcode);
+ } else
+ tag = tagptr ? *tagptr : 0;
+
do {
this_len = size;
- if (this_len > FIO_SERVER_MAX_PDU)
- this_len = FIO_SERVER_MAX_PDU;
+ if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU)
+ this_len = FIO_SERVER_MAX_FRAGMENT_PDU;
if (!cmd || cur_len < sizeof(*cmd) + this_len) {
if (cmd)
buf += this_len;
} while (!ret && size);
+ if (list) {
+ if (ret)
+ free_reply(tag);
+ else
+ add_reply(tag, list);
+ }
+
if (cmd)
free(cmd);
int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag,
struct flist_head *list)
{
- struct fio_net_int_cmd *cmd;
int ret;
- if (!list)
- return fio_net_send_simple_stack_cmd(sk, opcode, tag);
-
- cmd = malloc(sizeof(*cmd));
-
- fio_init_net_cmd(&cmd->cmd, opcode, NULL, 0, (uintptr_t) cmd);
- fio_net_cmd_crc(&cmd->cmd);
+ if (list)
+ tag = alloc_reply(tag, opcode);
- INIT_FLIST_HEAD(&cmd->list);
- fio_gettime(&cmd->tv, NULL);
- cmd->saved_tag = tag;
-
- ret = fio_send_data(sk, &cmd->cmd, sizeof(cmd->cmd));
+ ret = fio_net_send_simple_stack_cmd(sk, opcode, tag);
if (ret) {
- free(cmd);
+ if (list)
+ free_reply(tag);
+
return ret;
}
- flist_add_tail(&cmd->list, list);
+ if (list)
+ add_reply(tag, list);
+
return 0;
}
-static int fio_server_send_quit_cmd(void)
+int fio_net_send_quit(int sk)
{
dprint(FD_NET, "server: sending quit\n");
- return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0, NULL);
+
+ return fio_net_send_simple_cmd(sk, FIO_NET_CMD_QUIT, 0, NULL);
}
-static int handle_job_cmd(struct fio_net_cmd *cmd)
+static int fio_net_send_ack(int sk, struct fio_net_cmd *cmd, int error,
+ int signal)
{
- char *buf = (char *) cmd->payload;
- struct cmd_start_pdu spdu;
struct cmd_end_pdu epdu;
- int ret;
+ uint64_t tag = 0;
+
+ if (cmd)
+ tag = cmd->tag;
+
+ 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);
+}
+
+int fio_net_send_stop(int sk, int error, int signal)
+{
+ dprint(FD_NET, "server: sending stop (%d, %d)\n", error, signal);
+ return fio_net_send_ack(sk, NULL, error, signal);
+}
+
+static void fio_server_add_fork_item(pid_t pid, struct flist_head *list)
+{
+ struct fio_fork_item *ffi;
+
+ ffi = malloc(sizeof(*ffi));
+ ffi->exitval = 0;
+ ffi->signal = 0;
+ ffi->exited = 0;
+ ffi->pid = pid;
+ flist_add_tail(&ffi->list, list);
+}
+
+static void fio_server_add_conn_pid(struct flist_head *conn_list, pid_t pid)
+{
+ dprint(FD_NET, "server: forked off connection job (pid=%u)\n", (int) pid);
+ fio_server_add_fork_item(pid, conn_list);
+}
+
+static void fio_server_add_job_pid(struct flist_head *job_list, pid_t pid)
+{
+ dprint(FD_NET, "server: forked off job job (pid=%u)\n", (int) pid);
+ fio_server_add_fork_item(pid, job_list);
+}
+
+static void fio_server_check_fork_item(struct fio_fork_item *ffi)
+{
+ int ret, status;
+
+ ret = waitpid(ffi->pid, &status, WNOHANG);
+ if (ret < 0) {
+ if (errno == ECHILD) {
+ log_err("fio: connection pid %u disappeared\n", (int) ffi->pid);
+ ffi->exited = 1;
+ } else
+ log_err("fio: waitpid: %s\n", strerror(errno));
+ } else if (ret == ffi->pid) {
+ if (WIFSIGNALED(status)) {
+ ffi->signal = WTERMSIG(status);
+ ffi->exited = 1;
+ }
+ if (WIFEXITED(status)) {
+ if (WEXITSTATUS(status))
+ ffi->exitval = WEXITSTATUS(status);
+ ffi->exited = 1;
+ }
+ }
+}
+
+static void fio_server_fork_item_done(struct fio_fork_item *ffi)
+{
+ 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);
+ flist_del(&ffi->list);
+ free(ffi);
+}
+
+static void fio_server_check_fork_items(struct flist_head *list)
+{
+ struct flist_head *entry, *tmp;
+ struct fio_fork_item *ffi;
- if (parse_jobs_ini(buf, 1, 0)) {
- fio_server_send_quit_cmd();
+ flist_for_each_safe(entry, tmp, list) {
+ ffi = flist_entry(entry, struct fio_fork_item, list);
+
+ fio_server_check_fork_item(ffi);
+
+ if (ffi->exited)
+ fio_server_fork_item_done(ffi);
+ }
+}
+
+static void fio_server_check_jobs(struct flist_head *job_list)
+{
+ fio_server_check_fork_items(job_list);
+}
+
+static void fio_server_check_conns(struct flist_head *conn_list)
+{
+ fio_server_check_fork_items(conn_list);
+}
+
+static int handle_load_file_cmd(struct fio_net_cmd *cmd)
+{
+ struct cmd_load_file_pdu *pdu = (struct cmd_load_file_pdu *) cmd->payload;
+ void *file_name = pdu->file;
+ struct cmd_start_pdu spdu;
+
+ dprint(FD_NET, "server: loading local file %s\n", (char *) file_name);
+
+ pdu->name_len = le16_to_cpu(pdu->name_len);
+ 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);
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), 0);
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), NULL, NULL);
+ return 0;
+}
+
+static int handle_run_cmd(struct flist_head *job_list, struct fio_net_cmd *cmd)
+{
+ pid_t pid;
+ int ret;
+
+ fio_time_init();
+ set_genesis_time();
+
+ pid = fork();
+ if (pid) {
+ fio_server_add_job_pid(job_list, pid);
+ return 0;
+ }
ret = fio_backend();
+ free_threads_shm();
+ _exit(ret);
+}
- epdu.error = ret;
- fio_net_send_cmd(server_fd, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), 0);
+static int handle_job_cmd(struct fio_net_cmd *cmd)
+{
+ struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload;
+ void *buf = pdu->buf;
+ struct cmd_start_pdu spdu;
- fio_server_send_quit_cmd();
- reset_fio_state();
- return ret;
+ pdu->buf_len = le32_to_cpu(pdu->buf_len);
+ 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);
+ 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);
+ return 0;
}
static int handle_jobline_cmd(struct fio_net_cmd *cmd)
struct cmd_single_line_pdu *cslp;
struct cmd_line_pdu *clp;
unsigned long offset;
+ struct cmd_start_pdu spdu;
char **argv;
- int ret, i;
+ int i;
clp = pdu;
clp->lines = le16_to_cpu(clp->lines);
+ clp->client_type = le16_to_cpu(clp->client_type);
argv = malloc(clp->lines * sizeof(char *));
offset = sizeof(*clp);
dprint(FD_NET, "server: %d: %s\n", i, argv[i]);
}
- if (parse_cmd_line(clp->lines, argv)) {
- fio_server_send_quit_cmd();
+ if (parse_cmd_line(clp->lines, argv, clp->client_type)) {
+ fio_net_send_quit(server_fd);
free(argv);
return -1;
}
free(argv);
- fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0, NULL);
-
- ret = fio_backend();
- fio_server_send_quit_cmd();
- reset_fio_state();
- return ret;
+ 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);
+ return 0;
}
static int handle_probe_cmd(struct fio_net_cmd *cmd)
{
- struct cmd_probe_pdu probe;
+ struct cmd_client_probe_pdu *pdu = (struct cmd_client_probe_pdu *) cmd->payload;
+ struct cmd_probe_reply_pdu probe;
+ uint64_t tag = cmd->tag;
dprint(FD_NET, "server: sending probe reply\n");
+ strcpy(me, (char *) pdu->server);
+
memset(&probe, 0, sizeof(probe));
gethostname((char *) probe.hostname, sizeof(probe.hostname));
#ifdef CONFIG_BIG_ENDIAN
probe.os = FIO_OS;
probe.arch = FIO_ARCH;
-
probe.bpp = sizeof(void *);
+ probe.cpus = __cpu_to_le32(cpus_online());
+
+ /*
+ * If the client supports compression and we do too, then enable it
+ */
+ if (has_zlib && le64_to_cpu(pdu->flags) & FIO_PROBE_FLAG_ZLIB) {
+ probe.flags = __cpu_to_le64(FIO_PROBE_FLAG_ZLIB);
+ use_zlib = 1;
+ } else {
+ probe.flags = 0;
+ use_zlib = 0;
+ }
- return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), cmd->tag);
+ return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), &tag, NULL);
}
static int handle_send_eta_cmd(struct fio_net_cmd *cmd)
{
struct jobs_eta *je;
+ uint64_t tag = cmd->tag;
size_t size;
int i;
- if (!thread_number)
+ je = get_jobs_eta(1, &size);
+ if (!je)
return 0;
- size = sizeof(*je) + thread_number * sizeof(char) + 1;
- je = malloc(size);
- memset(je, 0, size);
-
- if (!calc_thread_status(je, 1)) {
- free(je);
- return 0;
- }
-
dprint(FD_NET, "server sending status\n");
je->nr_running = cpu_to_le32(je->nr_running);
je->nr_ramp = cpu_to_le32(je->nr_ramp);
je->nr_pending = cpu_to_le32(je->nr_pending);
+ je->nr_setting_up = cpu_to_le32(je->nr_setting_up);
je->files_open = cpu_to_le32(je->files_open);
- je->m_rate = cpu_to_le32(je->m_rate);
- je->t_rate = cpu_to_le32(je->t_rate);
- je->m_iops = cpu_to_le32(je->m_iops);
- je->t_iops = cpu_to_le32(je->t_iops);
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
+ je->m_rate[i] = cpu_to_le32(je->m_rate[i]);
+ je->t_rate[i] = cpu_to_le32(je->t_rate[i]);
+ je->m_iops[i] = cpu_to_le32(je->m_iops[i]);
+ je->t_iops[i] = cpu_to_le32(je->t_iops[i]);
je->rate[i] = cpu_to_le32(je->rate[i]);
je->iops[i] = cpu_to_le32(je->iops[i]);
}
je->elapsed_sec = cpu_to_le64(je->elapsed_sec);
je->eta_sec = cpu_to_le64(je->eta_sec);
+ je->nr_threads = cpu_to_le32(je->nr_threads);
je->is_pow2 = cpu_to_le32(je->is_pow2);
+ je->unit_base = cpu_to_le32(je->unit_base);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, cmd->tag);
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, &tag, NULL);
free(je);
return 0;
}
-static int handle_command(struct fio_net_cmd *cmd)
+static int send_update_job_reply(int fd, 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);
+}
+
+static int handle_update_job_cmd(struct fio_net_cmd *cmd)
+{
+ struct cmd_add_job_pdu *pdu = (struct cmd_add_job_pdu *) cmd->payload;
+ struct thread_data *td;
+ uint32_t tnumber;
+
+ tnumber = le32_to_cpu(pdu->thread_number);
+
+ 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);
+ return 0;
+ }
+
+ td = &threads[tnumber - 1];
+ convert_thread_options_to_cpu(&td->o, &pdu->top);
+ send_update_job_reply(server_fd, cmd->tag, 0);
+ return 0;
+}
+
+static int handle_trigger_cmd(struct fio_net_cmd *cmd)
+{
+ struct cmd_vtrigger_pdu *pdu = (struct cmd_vtrigger_pdu *) cmd->payload;
+ char *buf = (char *) pdu->cmd;
+ struct all_io_list *rep;
+ size_t sz;
+
+ pdu->len = le16_to_cpu(pdu->len);
+ buf[pdu->len] = '\0';
+
+ rep = get_all_io_list(IO_LIST_ALL, &sz);
+ if (!rep) {
+ 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);
+ }
+
+ exec_trigger(buf);
+ return 0;
+}
+
+static int handle_command(struct flist_head *job_list, struct fio_net_cmd *cmd)
{
int ret;
- dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%lx\n",
- fio_server_op(cmd->opcode), cmd->pdu_len, cmd->tag);
+ dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%llx\n",
+ fio_server_op(cmd->opcode), cmd->pdu_len,
+ (unsigned long long) cmd->tag);
switch (cmd->opcode) {
case FIO_NET_CMD_QUIT:
case FIO_NET_CMD_EXIT:
exit_backend = 1;
return -1;
+ case FIO_NET_CMD_LOAD_FILE:
+ ret = handle_load_file_cmd(cmd);
+ break;
case FIO_NET_CMD_JOB:
ret = handle_job_cmd(cmd);
break;
case FIO_NET_CMD_SEND_ETA:
ret = handle_send_eta_cmd(cmd);
break;
+ case FIO_NET_CMD_RUN:
+ ret = handle_run_cmd(job_list, cmd);
+ break;
+ case FIO_NET_CMD_UPDATE_JOB:
+ ret = handle_update_job_cmd(cmd);
+ break;
+ case FIO_NET_CMD_VTRIGGER:
+ ret = handle_trigger_cmd(cmd);
+ break;
+ case FIO_NET_CMD_SENDFILE: {
+ struct cmd_sendfile_reply *in;
+ struct cmd_reply *rep;
+
+ rep = (struct cmd_reply *) (uintptr_t) cmd->tag;
+
+ in = (struct cmd_sendfile_reply *) cmd->payload;
+ in->size = le32_to_cpu(in->size);
+ in->error = le32_to_cpu(in->error);
+ if (in->error) {
+ ret = 1;
+ rep->error = in->error;
+ } else {
+ ret = 0;
+ rep->data = smalloc(in->size);
+ if (!rep->data) {
+ ret = 1;
+ rep->error = ENOMEM;
+ } else {
+ rep->size = in->size;
+ memcpy(rep->data, in->data, in->size);
+ }
+ }
+ fio_mutex_up(&rep->lock);
+ break;
+ }
default:
- log_err("fio: unknown opcode: %s\n",fio_server_op(cmd->opcode));
+ log_err("fio: unknown opcode: %s\n", fio_server_op(cmd->opcode));
ret = 1;
}
return ret;
}
-static int handle_connection(int sk, int block)
+static int handle_connection(int sk)
{
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 = {
ret = 0;
do {
- ret = poll(&pfd, 1, 100);
+ int timeout = 1000;
+
+ if (!flist_empty(&job_list))
+ timeout = 100;
+
+ ret = poll(&pfd, 1, timeout);
if (ret < 0) {
if (errno == EINTR)
break;
log_err("fio: poll: %s\n", strerror(errno));
break;
} else if (!ret) {
- if (!block)
- return 0;
+ fio_server_check_jobs(&job_list);
continue;
}
}
} while (!exit_backend);
+ fio_server_check_jobs(&job_list);
+
if (ret < 0)
break;
break;
}
- ret = handle_command(cmd);
+ ret = handle_command(&job_list, cmd);
if (ret)
break;
if (cmd)
free(cmd);
- return ret;
+ close(sk);
+ _exit(ret);
}
-void fio_server_idle_loop(void)
+/* get the address on this host bound by the input socket,
+ * whether it is ipv6 or ipv4 */
+
+int get_my_addr_str( int sk )
{
- if (!first_cmd_check)
- fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_RUN, 0, NULL);
- if (server_fd != -1)
- handle_connection(server_fd, 0);
+ 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);
+
+ if (use_ipv6)
+ sockaddr_p = (struct sockaddr * )&myaddr6;
+ else
+ sockaddr_p = (struct sockaddr * )&myaddr4;
+ 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)) {
+ 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;
}
static int accept_loop(int listen_sk)
{
struct sockaddr_in addr;
- socklen_t len = sizeof(addr);
+ struct sockaddr_in6 addr6;
+ socklen_t len = use_ipv6 ? sizeof(addr6) : sizeof(addr);
struct pollfd pfd;
- int ret, sk, flags, exitval = 0;
+ int ret = 0, sk, exitval = 0;
+ FLIST_HEAD(conn_list);
dprint(FD_NET, "server enter accept loop\n");
- flags = fcntl(listen_sk, F_GETFL);
- flags |= O_NONBLOCK;
- fcntl(listen_sk, F_SETFL, flags);
-again:
- pfd.fd = listen_sk;
- pfd.events = POLLIN;
- do {
- ret = poll(&pfd, 1, 100);
- if (ret < 0) {
- if (errno == EINTR)
+ fio_set_fd_nonblocking(listen_sk, "server");
+
+ while (!exit_backend) {
+ const char *from;
+ char buf[64];
+ pid_t pid;
+
+ pfd.fd = listen_sk;
+ pfd.events = POLLIN;
+ do {
+ int timeout = 1000;
+
+ if (!flist_empty(&conn_list))
+ timeout = 100;
+
+ ret = poll(&pfd, 1, timeout);
+ if (ret < 0) {
+ if (errno == EINTR)
+ break;
+ log_err("fio: poll: %s\n", strerror(errno));
break;
- log_err("fio: poll: %s\n", strerror(errno));
- goto out;
- } else if (!ret)
- continue;
+ } else if (!ret) {
+ fio_server_check_conns(&conn_list);
+ continue;
+ }
- if (pfd.revents & POLLIN)
- break;
- } while (!exit_backend);
+ if (pfd.revents & POLLIN)
+ break;
+ } while (!exit_backend);
- if (exit_backend)
- goto out;
+ fio_server_check_conns(&conn_list);
- sk = accept(listen_sk, (struct sockaddr *) &addr, &len);
- if (sk < 0) {
- log_err("fio: accept: %s\n", strerror(errno));
- return -1;
- }
+ if (exit_backend || ret < 0)
+ break;
- dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr));
+ if (use_ipv6)
+ sk = accept(listen_sk, (struct sockaddr *) &addr6, &len);
+ else
+ sk = accept(listen_sk, (struct sockaddr *) &addr, &len);
- server_fd = sk;
+ if (sk < 0) {
+ log_err("fio: accept: %s\n", strerror(errno));
+ return -1;
+ }
- exitval = handle_connection(sk, 1);
+ if (use_ipv6)
+ from = inet_ntop(AF_INET6, (struct sockaddr *) &addr6.sin6_addr, buf, sizeof(buf));
+ else
+ from = inet_ntop(AF_INET, (struct sockaddr *) &addr.sin_addr, buf, sizeof(buf));
- server_fd = -1;
- close(sk);
+ dprint(FD_NET, "server: connect from %s\n", from);
- if (!exit_backend)
- goto again;
+ pid = fork();
+ if (pid) {
+ close(sk);
+ fio_server_add_conn_pid(&conn_list, pid);
+ continue;
+ }
+
+ /* exits */
+ get_my_addr_str(sk); /* if error, it's already logged, non-fatal */
+ handle_connection(sk);
+ }
-out:
return exitval;
}
-int fio_server_text_output(const char *buf, size_t len)
+int fio_server_text_output(int level, const char *buf, size_t len)
{
- if (server_fd != -1)
- return fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, buf, len, 0);
+ struct cmd_text_pdu *pdu;
+ unsigned int tlen;
+ struct timeval tv;
+
+ if (server_fd == -1)
+ return log_local_buf(buf, len);
+
+ tlen = sizeof(*pdu) + len;
+ pdu = malloc(tlen);
- return log_local_buf(buf, len);
+ pdu->level = __cpu_to_le32(level);
+ pdu->buf_len = __cpu_to_le32(len);
+
+ gettimeofday(&tv, NULL);
+ pdu->log_sec = __cpu_to_le64(tv.tv_sec);
+ pdu->log_usec = __cpu_to_le64(tv.tv_usec);
+
+ memcpy(pdu->buf, buf, len);
+
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, pdu, tlen, NULL, NULL);
+ free(pdu);
+ return len;
}
static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
/*
* Encode to IEEE 754 for network transfer
*/
- dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f));
- dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f));
+ dst->mean.u.i = cpu_to_le64(fio_double_to_uint64(src->mean.u.f));
+ dst->S.u.i = cpu_to_le64(fio_double_to_uint64(src->S.u.f));
}
static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
}
dst->kb_base = cpu_to_le32(src->kb_base);
+ dst->unit_base = cpu_to_le32(src->unit_base);
dst->groupid = cpu_to_le32(src->groupid);
+ dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep);
}
/*
memset(&p, 0, sizeof(p));
- strcpy(p.ts.name, ts->name);
- strcpy(p.ts.verror, ts->verror);
- strcpy(p.ts.description, ts->description);
+ strncpy(p.ts.name, ts->name, FIO_JOBNAME_SIZE - 1);
+ strncpy(p.ts.verror, ts->verror, FIO_VERROR_SIZE - 1);
+ strncpy(p.ts.description, ts->description, FIO_JOBDESC_SIZE - 1);
- p.ts.error = cpu_to_le32(ts->error);
- p.ts.groupid = cpu_to_le32(ts->groupid);
- p.ts.pid = cpu_to_le32(ts->pid);
- p.ts.members = cpu_to_le32(ts->members);
+ p.ts.error = cpu_to_le32(ts->error);
+ p.ts.thread_number = cpu_to_le32(ts->thread_number);
+ p.ts.groupid = cpu_to_le32(ts->groupid);
+ p.ts.pid = cpu_to_le32(ts->pid);
+ p.ts.members = cpu_to_le32(ts->members);
+ p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep);
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]);
p.ts.minf = cpu_to_le64(ts->minf);
p.ts.majf = cpu_to_le64(ts->majf);
p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles);
+ p.ts.percentile_precision = cpu_to_le64(ts->percentile_precision);
for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
fio_fp64_t *src = &ts->percentile_list[i];
fio_fp64_t *dst = &p.ts.percentile_list[i];
- dst->u.i = __cpu_to_le64(fio_double_to_uint64(src->u.f));
+ dst->u.i = cpu_to_le64(fio_double_to_uint64(src->u.f));
}
for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]);
p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]);
+ p.ts.drop_io_u[i] = cpu_to_le64(ts->drop_io_u[i]);
}
p.ts.total_submit = cpu_to_le64(ts->total_submit);
p.ts.total_err_count = cpu_to_le64(ts->total_err_count);
p.ts.first_error = cpu_to_le32(ts->first_error);
p.ts.kb_base = cpu_to_le32(ts->kb_base);
+ p.ts.unit_base = cpu_to_le32(ts->unit_base);
+
+ p.ts.latency_depth = cpu_to_le32(ts->latency_depth);
+ p.ts.latency_target = cpu_to_le64(ts->latency_target);
+ p.ts.latency_window = cpu_to_le64(ts->latency_window);
+ p.ts.latency_percentile.u.i = cpu_to_le64(fio_double_to_uint64(ts->latency_percentile.u.f));
+
+ p.ts.nr_block_infos = le64_to_cpu(ts->nr_block_infos);
+ for (i = 0; i < p.ts.nr_block_infos; i++)
+ p.ts.block_infos[i] = le32_to_cpu(ts->block_infos[i]);
convert_gs(&p.rs, rs);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), 0);
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), NULL, NULL);
}
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), 0);
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), NULL, NULL);
}
static void convert_agg(struct disk_util_agg *dst, struct disk_util_agg *src)
int i;
for (i = 0; i < 2; i++) {
- dst->ios[i] = cpu_to_le32(src->ios[i]);
- dst->merges[i] = cpu_to_le32(src->merges[i]);
+ dst->ios[i] = cpu_to_le64(src->ios[i]);
+ dst->merges[i] = cpu_to_le64(src->merges[i]);
dst->sectors[i] = cpu_to_le64(src->sectors[i]);
- dst->ticks[i] = cpu_to_le32(src->ticks[i]);
+ dst->ticks[i] = cpu_to_le64(src->ticks[i]);
}
- dst->io_ticks = cpu_to_le32(src->io_ticks);
- dst->time_in_queue = cpu_to_le32(src->time_in_queue);
+ dst->io_ticks = cpu_to_le64(src->io_ticks);
+ dst->time_in_queue = cpu_to_le64(src->time_in_queue);
dst->slavecount = cpu_to_le32(src->slavecount);
- dst->max_util.u.i = __cpu_to_le64(fio_double_to_uint64(src->max_util.u.f));
+ dst->max_util.u.i = cpu_to_le64(fio_double_to_uint64(src->max_util.u.f));
}
static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src)
{
int i;
- strcpy((char *) dst->name, (char *) src->name);
+ dst->name[FIO_DU_NAME_SZ - 1] = '\0';
+ strncpy((char *) dst->name, (char *) src->name, FIO_DU_NAME_SZ - 1);
for (i = 0; i < 2; i++) {
- dst->ios[i] = cpu_to_le32(src->ios[i]);
- dst->merges[i] = cpu_to_le32(src->merges[i]);
- dst->sectors[i] = cpu_to_le64(src->sectors[i]);
- dst->ticks[i] = cpu_to_le32(src->ticks[i]);
+ dst->s.ios[i] = cpu_to_le64(src->s.ios[i]);
+ dst->s.merges[i] = cpu_to_le64(src->s.merges[i]);
+ dst->s.sectors[i] = cpu_to_le64(src->s.sectors[i]);
+ dst->s.ticks[i] = cpu_to_le64(src->s.ticks[i]);
}
- dst->io_ticks = cpu_to_le32(src->io_ticks);
- dst->time_in_queue = cpu_to_le32(src->time_in_queue);
- dst->msec = cpu_to_le64(src->msec);
+ dst->s.io_ticks = cpu_to_le64(src->s.io_ticks);
+ dst->s.time_in_queue = cpu_to_le64(src->s.time_in_queue);
+ dst->s.msec = cpu_to_le64(src->s.msec);
}
void fio_server_send_du(void)
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), 0);
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_DU, &pdu, sizeof(pdu), NULL, NULL);
+ }
+}
+
+/*
+ * 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)
+{
+ int ret = 0;
+#ifdef CONFIG_ZLIB
+ z_stream stream;
+ void *out_pdu;
+
+ /*
+ * Dirty - since the log is potentially huge, compress it into
+ * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving
+ * side defragment it.
+ */
+ out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU);
+
+ stream.zalloc = Z_NULL;
+ stream.zfree = Z_NULL;
+ stream.opaque = Z_NULL;
+
+ if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) {
+ ret = 1;
+ goto err;
+ }
+
+ stream.next_in = (void *) log->log;
+ stream.avail_in = log->nr_samples * log_entry_sz(log);
+
+ do {
+ unsigned int this_len, flags = 0;
+
+ stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU;
+ stream.next_out = out_pdu;
+ ret = deflate(&stream, Z_FINISH);
+ /* may be Z_OK, or Z_STREAM_END */
+ if (ret < 0)
+ goto err_zlib;
+
+ 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;
+ } while (stream.avail_in);
+
+err_zlib:
+ deflateEnd(&stream);
+err:
+ free(out_pdu);
+#endif
+ return ret;
+}
+
+int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name)
+{
+ struct cmd_iolog_pdu pdu;
+ int i, ret = 0;
+
+ pdu.nr_samples = cpu_to_le64(log->nr_samples);
+ pdu.thread_number = cpu_to_le32(td->thread_number);
+ pdu.log_type = cpu_to_le32(log->log_type);
+ pdu.compressed = cpu_to_le32(use_zlib);
+
+ strncpy((char *) pdu.name, name, FIO_NET_NAME_MAX);
+ pdu.name[FIO_NET_NAME_MAX - 1] = '\0';
+
+ for (i = 0; i < log->nr_samples; i++) {
+ struct io_sample *s = get_sample(log, i);
+
+ s->time = cpu_to_le64(s->time);
+ s->val = cpu_to_le64(s->val);
+ s->__ddir = cpu_to_le32(s->__ddir);
+ s->bs = cpu_to_le32(s->bs);
+
+ if (log->log_offset) {
+ struct io_sample_offset *so = (void *) s;
+
+ so->offset = cpu_to_le64(so->offset);
+ }
}
+
+ /*
+ * Send header first, it's not compressed.
+ */
+ 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;
+
+ /*
+ * Now send actual log, compress if we can, otherwise just plain
+ */
+ if (use_zlib)
+ return fio_send_iolog_gz(&pdu, log);
+
+ return fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, log->log,
+ log->nr_samples * log_entry_sz(log), 0, 0);
+}
+
+void fio_server_send_add_job(struct thread_data *td)
+{
+ struct cmd_add_job_pdu pdu;
+
+ memset(&pdu, 0, sizeof(pdu));
+ pdu.thread_number = cpu_to_le32(td->thread_number);
+ 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);
}
-int fio_server_log(const char *format, ...)
+void fio_server_send_start(struct thread_data *td)
{
- char buffer[1024];
- va_list args;
- size_t len;
+ assert(server_fd != -1);
- dprint(FD_NET, "server log\n");
+ fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL);
+}
- va_start(args, format);
- len = vsnprintf(buffer, sizeof(buffer), format, args);
- va_end(args);
+int fio_server_get_verify_state(const char *name, int threadnumber,
+ void **datap, int *version)
+{
+ struct thread_io_list *s;
+ struct cmd_sendfile out;
+ struct cmd_reply *rep;
+ uint64_t tag;
+ void *data;
- return fio_server_text_output(buffer, len);
+ dprint(FD_NET, "server: request verify state\n");
+
+ rep = smalloc(sizeof(*rep));
+ if (!rep) {
+ log_err("fio: smalloc pool too small\n");
+ return 1;
+ }
+
+ __fio_mutex_init(&rep->lock, FIO_MUTEX_LOCKED);
+ rep->data = NULL;
+ rep->error = 0;
+
+ 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);
+
+ /*
+ * Wait for the backend to receive the reply
+ */
+ if (fio_mutex_down_timeout(&rep->lock, 10)) {
+ log_err("fio: timed out waiting for reply\n");
+ goto fail;
+ }
+
+ if (rep->error) {
+ log_err("fio: failure on receiving state file: %s\n", strerror(rep->error));
+fail:
+ *datap = NULL;
+ sfree(rep);
+ fio_net_send_quit(server_fd);
+ return 1;
+ }
+
+ /*
+ * The format is verify_state_hdr, then thread_io_list. Verify
+ * the header, and the thread_io_list checksum
+ */
+ s = rep->data + sizeof(struct verify_state_hdr);
+ if (verify_state_hdr(rep->data, s, version))
+ goto fail;
+
+ /*
+ * Don't need the header from now, copy just the thread_io_list
+ */
+ rep->size -= sizeof(struct verify_state_hdr);
+ data = malloc(rep->size);
+ memcpy(data, s, rep->size);
+ *datap = data;
+
+ sfree(rep->data);
+ __fio_mutex_remove(&rep->lock);
+ sfree(rep);
+ return 0;
}
static int fio_init_server_ip(void)
{
struct sockaddr *addr;
socklen_t socklen;
+ char buf[80];
+ const char *str;
int sk, opt;
if (use_ipv6)
#endif
if (use_ipv6) {
+ const void *src = &saddr_in6.sin6_addr;
+
addr = (struct sockaddr *) &saddr_in6;
socklen = sizeof(saddr_in6);
saddr_in6.sin6_family = AF_INET6;
+ str = inet_ntop(AF_INET6, src, buf, sizeof(buf));
} else {
+ const void *src = &saddr_in.sin_addr;
+
addr = (struct sockaddr *) &saddr_in;
socklen = sizeof(saddr_in);
saddr_in.sin_family = AF_INET;
+ str = inet_ntop(AF_INET, src, buf, sizeof(buf));
}
if (bind(sk, addr, socklen) < 0) {
log_err("fio: bind: %s\n", strerror(errno));
+ log_info("fio: failed with IPv%c %s\n", use_ipv6 ? '6' : '4', str);
close(sk);
return -1;
}
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
- strcpy(addr.sun_path, bind_sock);
- unlink(bind_sock);
+ strncpy(addr.sun_path, bind_sock, sizeof(addr.sun_path) - 1);
len = sizeof(addr.sun_family) + strlen(bind_sock) + 1;
if (sk < 0)
return sk;
+ memset(bind_str, 0, sizeof(bind_str));
+
if (!bind_sock) {
char *p, port[16];
const void *src;
if (p)
strcat(p, port);
else
- strcpy(bind_str, port);
+ strncpy(bind_str, port, sizeof(bind_str) - 1);
} else
- strcpy(bind_str, bind_sock);
+ strncpy(bind_str, bind_sock, sizeof(bind_str) - 1);
log_info("fio: server listening on %s\n", bind_str);
if (listen(sk, 0) < 0) {
log_err("fio: listen: %s\n", strerror(errno));
+ close(sk);
return -1;
}
return sk;
}
+int fio_server_parse_host(const char *host, int ipv6, struct in_addr *inp,
+ struct in6_addr *inp6)
+
+{
+ int ret = 0;
+
+ if (ipv6)
+ ret = inet_pton(AF_INET6, host, inp6);
+ else
+ ret = inet_pton(AF_INET, host, inp);
+
+ if (ret != 1) {
+ struct addrinfo hints, *res;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = ipv6 ? AF_INET6 : AF_INET;
+ hints.ai_socktype = SOCK_STREAM;
+
+ ret = getaddrinfo(host, NULL, &hints, &res);
+ if (ret) {
+ log_err("fio: failed to resolve <%s> (%s)\n", host,
+ gai_strerror(ret));
+ return 1;
+ }
+
+ if (ipv6)
+ memcpy(inp6, &((struct sockaddr_in6 *) res->ai_addr)->sin6_addr, sizeof(*inp6));
+ else
+ memcpy(inp, &((struct sockaddr_in *) res->ai_addr)->sin_addr, sizeof(*inp));
+
+ ret = 1;
+ freeaddrinfo(res);
+ }
+
+ return !(ret == 1);
+}
+
/*
* Parse a host/ip/port string. Reads from 'str'.
*
{
const char *host = str;
char *portp;
- int ret, lport = 0;
+ int lport = 0;
*ptr = NULL;
*is_sock = 0;
host++;
lport = atoi(host);
if (!lport || lport > 65535) {
- log_err("fio: bad server port %u\n", port);
+ log_err("fio: bad server port %u\n", lport);
return 1;
}
/* no hostname given, we are done */
}
/*
- * If no port seen yet, check if there's a last ':' at the end
+ * If no port seen yet, check if there's a last ',' at the end
*/
if (!lport) {
portp = strchr(host, ',');
portp++;
lport = atoi(portp);
if (!lport || lport > 65535) {
- log_err("fio: bad server port %u\n", port);
+ log_err("fio: bad server port %u\n", lport);
return 1;
}
}
*ptr = strdup(host);
- if (*ipv6)
- ret = inet_pton(AF_INET6, host, inp6);
- else
- ret = inet_pton(AF_INET, host, inp);
-
- if (ret != 1) {
- struct hostent *hent;
-
- hent = gethostbyname(host);
- if (!hent) {
- log_err("fio: failed to resolve <%s>\n", host);
- free(*ptr);
- *ptr = NULL;
- return 1;
- }
-
- if (*ipv6) {
- if (hent->h_addrtype != AF_INET6) {
- log_info("fio: falling back to IPv4\n");
- *ipv6 = 0;
- } else
- memcpy(inp6, hent->h_addr_list[0], 16);
- }
- if (!*ipv6) {
- if (hent->h_addrtype != AF_INET) {
- log_err("fio: lookup type mismatch\n");
- free(*ptr);
- *ptr = NULL;
- return 1;
- }
- memcpy(inp, hent->h_addr_list[0], 4);
- }
+ if (fio_server_parse_host(*ptr, *ipv6, inp, inp6)) {
+ free(*ptr);
+ *ptr = NULL;
+ return 1;
}
if (*port == 0)
return ret;
}
+static void sig_int(int sig)
+{
+ if (bind_sock)
+ unlink(bind_sock);
+}
+
+static void set_sig_handlers(void)
+{
+ struct sigaction act;
+
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = sig_int;
+ act.sa_flags = SA_RESTART;
+ sigaction(SIGINT, &act, NULL);
+}
+
static int fio_server(void)
{
int sk, ret;
if (sk < 0)
return -1;
+ set_sig_handlers();
+
ret = accept_loop(sk);
close(sk);
#if defined(WIN32)
WSADATA wsd;
- WSAStartup(MAKEWORD(2,2), &wsd);
+ WSAStartup(MAKEWORD(2, 2), &wsd);
#endif
if (!pidfile)
if (check_existing_pidfile(pidfile)) {
log_err("fio: pidfile %s exists and server appears alive\n",
pidfile);
+ free(pidfile);
return -1;
}
free(pidfile);
return -1;
} else if (pid) {
- int ret = write_pid(pid, pidfile);
-
- exit(ret);
+ ret = write_pid(pid, pidfile);
+ free(pidfile);
+ _exit(ret);
}
setsid();