#include "fio.h"
#include "server.h"
#include "crc/crc16.h"
-#include "ieee754.h"
-
-#include "fio_version.h"
+#include "lib/ieee754.h"
int fio_net_port = 8765;
static char *fio_server_arg;
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;
+
+static const char *fio_server_ops[FIO_NET_CMD_NR] = {
+ "",
+ "QUIT",
+ "EXIT",
+ "JOB",
+ "JOBLINE",
+ "TEXT",
+ "TS",
+ "GS",
+ "SEND_ETA",
+ "ETA",
+ "PROBE",
+ "START",
+ "STOP",
+ "DISK_UTIL",
+ "RUN",
+};
+
+const char *fio_server_op(unsigned int op)
+{
+ static char buf[32];
+
+ if (op < FIO_NET_CMD_NR)
+ return fio_server_ops[op];
+
+ sprintf(buf, "UNKNOWN/%d", op);
+ return buf;
+}
int fio_send_data(int sk, const void *p, unsigned int len)
{
break;
else if (errno == EAGAIN || errno == EINTR)
continue;
+ else
+ break;
} while (!exit_backend);
if (!len)
break;
else if (errno == EAGAIN || errno == EINTR)
continue;
+ else
+ break;
} while (!exit_backend);
if (!len)
cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16);
cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16);
- crc = crc16(cmd, FIO_NET_CMD_CRC_SZ);
+ crc = fio_crc16(cmd, FIO_NET_CMD_CRC_SZ);
if (crc != cmd->cmd_crc16) {
log_err("fio: server bad crc on command (got %x, wanted %x)\n",
cmd->cmd_crc16, crc);
if (first)
memcpy(cmdret, &cmd, sizeof(cmd));
- else
- assert(cmdret->opcode == cmd.opcode);
+ else if (cmdret->opcode != cmd.opcode) {
+ log_err("fio: fragment opcode mismatch (%d != %d)\n",
+ cmdret->opcode, cmd.opcode);
+ ret = 1;
+ break;
+ }
if (!cmd.pdu_len)
break;
break;
/* Verify payload crc */
- crc = crc16(pdu, cmd.pdu_len);
+ crc = fio_crc16(pdu, cmd.pdu_len);
if (crc != cmd.pdu_crc16) {
log_err("fio: server bad crc on payload ");
log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc);
{
uint32_t pdu_len;
- cmd->cmd_crc16 = __cpu_to_le16(crc16(cmd, FIO_NET_CMD_CRC_SZ));
+ 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(crc16(cmd->payload, pdu_len));
+ cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(cmd->payload, pdu_len));
}
int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size,
uint64_t tag)
{
- struct fio_net_cmd *cmd;
- size_t this_len;
+ struct fio_net_cmd *cmd = NULL;
+ size_t this_len, cur_len = 0;
int ret;
do {
if (this_len > FIO_SERVER_MAX_PDU)
this_len = FIO_SERVER_MAX_PDU;
- cmd = malloc(sizeof(*cmd) + this_len);
+ if (!cmd || cur_len < sizeof(*cmd) + this_len) {
+ if (cmd)
+ free(cmd);
+
+ cur_len = sizeof(*cmd) + this_len;
+ cmd = malloc(cur_len);
+ }
fio_init_net_cmd(cmd, opcode, buf, this_len, tag);
fio_net_cmd_crc(cmd);
ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len);
- free(cmd);
size -= this_len;
buf += this_len;
} while (!ret && size);
+ if (cmd)
+ free(cmd);
+
return ret;
}
-int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag)
+static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag)
{
struct fio_net_cmd cmd;
return fio_send_data(sk, &cmd, sizeof(cmd));
}
+/*
+ * If 'list' is non-NULL, then allocate and store the sent command for
+ * later verification.
+ */
+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);
+
+ INIT_FLIST_HEAD(&cmd->list);
+ fio_gettime(&cmd->tv, NULL);
+ cmd->saved_tag = tag;
+
+ ret = fio_send_data(sk, &cmd->cmd, sizeof(cmd->cmd));
+ if (ret) {
+ free(cmd);
+ return ret;
+ }
+
+ flist_add_tail(&cmd->list, list);
+ return 0;
+}
+
static int fio_server_send_quit_cmd(void)
{
dprint(FD_NET, "server: sending quit\n");
- return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0);
+ return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0, NULL);
}
static int handle_job_cmd(struct fio_net_cmd *cmd)
{
char *buf = (char *) cmd->payload;
+ struct cmd_start_pdu spdu;
+ struct cmd_end_pdu epdu;
int ret;
if (parse_jobs_ini(buf, 1, 0)) {
return -1;
}
- fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0);
+ 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);
+
+ ret = fio_backend();
+
+ epdu.error = ret;
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_STOP, &epdu, sizeof(epdu), 0);
- ret = exec_run();
fio_server_send_quit_cmd();
reset_fio_state();
return ret;
free(argv);
- fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0);
+ fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0, NULL);
- ret = exec_run();
+ ret = fio_backend();
fio_server_send_quit_cmd();
reset_fio_state();
return ret;
{
struct cmd_probe_pdu probe;
+ dprint(FD_NET, "server: sending probe reply\n");
+
memset(&probe, 0, sizeof(probe));
gethostname((char *) probe.hostname, sizeof(probe.hostname));
-#ifdef FIO_BIG_ENDIAN
+#ifdef CONFIG_BIG_ENDIAN
probe.bigendian = 1;
#endif
- probe.fio_major = FIO_MAJOR;
- probe.fio_minor = FIO_MINOR;
- probe.fio_patch = FIO_PATCH;
+ strncpy((char *) probe.fio_version, fio_version_string, sizeof(probe.fio_version));
probe.os = FIO_OS;
probe.arch = FIO_ARCH;
- return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), 0);
+ probe.bpp = sizeof(void *);
+
+ return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), cmd->tag);
}
static int handle_send_eta_cmd(struct fio_net_cmd *cmd)
{
struct jobs_eta *je;
size_t size;
- void *buf;
int i;
- size = sizeof(*je) + thread_number * sizeof(char);
- buf = malloc(size);
- memset(buf, 0, size);
- je = buf;
+ if (!thread_number)
+ 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);
je->m_iops = cpu_to_le32(je->m_iops);
je->t_iops = cpu_to_le32(je->t_iops);
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < DDIR_RWDIR_CNT; i++) {
je->rate[i] = cpu_to_le32(je->rate[i]);
je->iops[i] = cpu_to_le32(je->iops[i]);
}
- je->elapsed_sec = cpu_to_le32(je->nr_running);
+ je->elapsed_sec = cpu_to_le64(je->elapsed_sec);
je->eta_sec = cpu_to_le64(je->eta_sec);
+ je->is_pow2 = cpu_to_le32(je->is_pow2);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, buf, size, cmd->tag);
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, cmd->tag);
free(je);
return 0;
}
{
int ret;
- dprint(FD_NET, "server: got opcode %d\n", cmd->opcode);
+ dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%lx\n",
+ fio_server_op(cmd->opcode), cmd->pdu_len, cmd->tag);
switch (cmd->opcode) {
case FIO_NET_CMD_QUIT:
ret = handle_send_eta_cmd(cmd);
break;
default:
- log_err("fio: unknown opcode: %d\n", cmd->opcode);
+ log_err("fio: unknown opcode: %s\n",fio_server_op(cmd->opcode));
ret = 1;
}
void fio_server_idle_loop(void)
{
+ 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);
}
static int accept_loop(int listen_sk)
{
struct sockaddr_in addr;
- fio_socklen_t len = sizeof(addr);
+ socklen_t len = sizeof(addr);
struct pollfd pfd;
int ret, sk, flags, exitval = 0;
return exitval;
}
-int fio_server_text_output(const char *buf, unsigned int len)
+int fio_server_text_output(const char *buf, size_t len)
{
if (server_fd != -1)
return fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, buf, len, 0);
- return fwrite(buf, len, 1, f_err);
+ return log_local_buf(buf, len);
}
static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
{
int i;
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < DDIR_RWDIR_CNT; i++) {
dst->max_run[i] = cpu_to_le64(src->max_run[i]);
dst->min_run[i] = cpu_to_le64(src->min_run[i]);
dst->max_bw[i] = cpu_to_le64(src->max_bw[i]);
dst->kb_base = cpu_to_le32(src->kb_base);
dst->groupid = cpu_to_le32(src->groupid);
+ dst->unified_rw_rep = cpu_to_le32(src->unified_rw_rep);
}
/*
p.ts.error = cpu_to_le32(ts->error);
p.ts.groupid = cpu_to_le32(ts->groupid);
+ p.ts.unified_rw_rep = cpu_to_le32(ts->unified_rw_rep);
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 < 2; i++) {
+ for (i = 0; i < DDIR_RWDIR_CNT; i++) {
convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]);
convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]);
convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]);
p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles);
for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
- fio_fp64_t *fp = &p.ts.percentile_list[i];
+ fio_fp64_t *src = &ts->percentile_list[i];
+ fio_fp64_t *dst = &p.ts.percentile_list[i];
- fp->u.i = __cpu_to_le64(fio_double_to_uint64(fp->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++) {
p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]);
}
- for (i = 0; i < 2; i++)
+ for (i = 0; i < DDIR_RWDIR_CNT; i++)
for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]);
- for (i = 0; i < 3; 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.total_submit = cpu_to_le64(ts->total_submit);
p.ts.total_complete = cpu_to_le64(ts->total_complete);
- for (i = 0; i < 2; i++) {
+ for (i = 0; i < DDIR_RWDIR_CNT; i++) {
p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]);
p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]);
}
fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), 0);
}
+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->sectors[i] = cpu_to_le64(src->sectors[i]);
+ dst->ticks[i] = cpu_to_le32(src->ticks[i]);
+ }
+
+ dst->io_ticks = cpu_to_le32(src->io_ticks);
+ dst->time_in_queue = cpu_to_le32(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));
+}
+
+static void convert_dus(struct disk_util_stat *dst, struct disk_util_stat *src)
+{
+ int i;
+
+ strcpy((char *) dst->name, (char *) src->name);
+
+ 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->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);
+}
+
+void fio_server_send_du(void)
+{
+ struct disk_util *du;
+ struct flist_head *entry;
+ struct cmd_du_pdu pdu;
+
+ dprint(FD_NET, "server: sending disk_util %d\n", !flist_empty(&disk_list));
+
+ memset(&pdu, 0, sizeof(pdu));
+
+ flist_for_each(entry, &disk_list) {
+ du = flist_entry(entry, struct disk_util, list);
+
+ 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);
+ }
+}
+
int fio_server_log(const char *format, ...)
{
char buffer[1024];
static int fio_init_server_ip(void)
{
+ struct sockaddr *addr;
+ socklen_t socklen;
int sk, opt;
- sk = socket(AF_INET, SOCK_STREAM, 0);
+ if (use_ipv6)
+ sk = socket(AF_INET6, SOCK_STREAM, 0);
+ else
+ sk = socket(AF_INET, SOCK_STREAM, 0);
+
if (sk < 0) {
log_err("fio: socket: %s\n", strerror(errno));
return -1;
}
opt = 1;
- if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) {
+ if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, (void *)&opt, sizeof(opt)) < 0) {
log_err("fio: setsockopt: %s\n", strerror(errno));
close(sk);
return -1;
}
#endif
- saddr_in.sin_family = AF_INET;
+ if (use_ipv6) {
+ addr = (struct sockaddr *) &saddr_in6;
+ socklen = sizeof(saddr_in6);
+ saddr_in6.sin6_family = AF_INET6;
+ } else {
+ addr = (struct sockaddr *) &saddr_in;
+ socklen = sizeof(saddr_in);
+ saddr_in.sin_family = AF_INET;
+ }
- if (bind(sk, (struct sockaddr *) &saddr_in, sizeof(saddr_in)) < 0) {
+ if (bind(sk, addr, socklen) < 0) {
log_err("fio: bind: %s\n", strerror(errno));
close(sk);
return -1;
static int fio_init_server_sock(void)
{
struct sockaddr_un addr;
- fio_socklen_t len;
+ socklen_t len;
mode_t mode;
int sk;
if (sk < 0)
return sk;
- if (!bind_sock)
- sprintf(bind_str, "%s:%u", inet_ntoa(saddr_in.sin_addr), fio_net_port);
- else
+ if (!bind_sock) {
+ char *p, port[16];
+ const void *src;
+ int af;
+
+ if (use_ipv6) {
+ af = AF_INET6;
+ src = &saddr_in6.sin6_addr;
+ } else {
+ af = AF_INET;
+ src = &saddr_in.sin_addr;
+ }
+
+ p = (char *) inet_ntop(af, src, bind_str, sizeof(bind_str));
+
+ sprintf(port, ",%u", fio_net_port);
+ if (p)
+ strcat(p, port);
+ else
+ strcpy(bind_str, port);
+ } else
strcpy(bind_str, bind_sock);
log_info("fio: server listening on %s\n", bind_str);
- if (listen(sk, 1) < 0) {
+ if (listen(sk, 0) < 0) {
log_err("fio: listen: %s\n", strerror(errno));
return -1;
}
return sk;
}
+/*
+ * Parse a host/ip/port string. Reads from 'str'.
+ *
+ * Outputs:
+ *
+ * For IPv4:
+ * *ptr is the host, *port is the port, inp is the destination.
+ * For IPv6:
+ * *ptr is the host, *port is the port, inp6 is the dest, and *ipv6 is 1.
+ * For local domain sockets:
+ * *ptr is the filename, *is_sock is 1.
+ */
int fio_server_parse_string(const char *str, char **ptr, int *is_sock,
- int *port, struct in_addr *inp)
+ int *port, struct in_addr *inp,
+ struct in6_addr *inp6, int *ipv6)
{
+ const char *host = str;
+ char *portp;
+ int ret, lport = 0;
+
*ptr = NULL;
*is_sock = 0;
*port = fio_net_port;
+ *ipv6 = 0;
if (!strncmp(str, "sock:", 5)) {
*ptr = strdup(str + 5);
*is_sock = 1;
- } else {
- const char *host = str;
- char *portp;
- int lport = 0;
-
- /*
- * Is it ip:<ip or host>:port
- */
- if (!strncmp(host, "ip:", 3))
- host += 3;
- else if (host[0] == ':') {
- /* String is :port */
- host++;
- lport = atoi(host);
+
+ return 0;
+ }
+
+ /*
+ * Is it ip:<ip or host>:port
+ */
+ if (!strncmp(host, "ip:", 3))
+ host += 3;
+ else if (!strncmp(host, "ip4:", 4))
+ host += 4;
+ else if (!strncmp(host, "ip6:", 4)) {
+ host += 4;
+ *ipv6 = 1;
+ } else if (host[0] == ':') {
+ /* String is :port */
+ host++;
+ lport = atoi(host);
+ if (!lport || lport > 65535) {
+ log_err("fio: bad server port %u\n", port);
+ return 1;
+ }
+ /* no hostname given, we are done */
+ *port = lport;
+ return 0;
+ }
+
+ /*
+ * If no port seen yet, check if there's a last ':' at the end
+ */
+ if (!lport) {
+ portp = strchr(host, ',');
+ if (portp) {
+ *portp = '\0';
+ portp++;
+ lport = atoi(portp);
if (!lport || lport > 65535) {
log_err("fio: bad server port %u\n", port);
return 1;
}
- /* no hostname given, we are done */
- *port = lport;
- return 0;
}
+ }
- /*
- * If no port seen yet, check if there's a last ':' at the end
- */
- if (!lport) {
- portp = strchr(host, ':');
- if (portp) {
- *portp = '\0';
- portp++;
- lport = atoi(portp);
- if (!lport || lport > 65535) {
- log_err("fio: bad server port %u\n", port);
- return 1;
- }
- }
- }
+ if (lport)
+ *port = lport;
- if (lport)
- *port = lport;
+ if (!strlen(host))
+ return 0;
- *ptr = strdup(host);
+ *ptr = strdup(host);
- if (inet_aton(host, inp) != 1) {
- struct hostent *hent;
+ if (*ipv6)
+ ret = inet_pton(AF_INET6, host, inp6);
+ else
+ ret = inet_pton(AF_INET, host, inp);
- hent = gethostbyname(host);
- if (!hent) {
+ 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, 4);
+ memcpy(inp, hent->h_addr_list[0], 4);
}
}
goto out;
ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock,
- &port, &saddr_in.sin_addr);
+ &port, &saddr_in.sin_addr,
+ &saddr_in6.sin6_addr, &use_ipv6);
if (!is_sock && bind_sock) {
free(bind_sock);
out:
fio_net_port = port;
saddr_in.sin_port = htons(port);
+ saddr_in6.sin6_port = htons(port);
return ret;
}
return ret;
}
-static void sig_int(int sig)
+void fio_server_got_signal(int signal)
{
- fio_terminate_threads(TERMINATE_ALL);
- exit_backend = 1;
+ if (signal == SIGPIPE)
+ server_fd = -1;
+ else {
+ log_info("\nfio: terminating on signal %d\n", signal);
+ exit_backend = 1;
+ }
+}
+
+static int check_existing_pidfile(const char *pidfile)
+{
+ struct stat sb;
+ char buf[16];
+ pid_t pid;
+ FILE *f;
+
+ if (stat(pidfile, &sb))
+ return 0;
+
+ f = fopen(pidfile, "r");
+ if (!f)
+ return 0;
+
+ if (fread(buf, sb.st_size, 1, f) <= 0) {
+ fclose(f);
+ return 1;
+ }
+ fclose(f);
+
+ pid = atoi(buf);
+ if (kill(pid, SIGCONT) < 0)
+ return errno != ESRCH;
+
+ return 1;
}
-static void server_signal_handler(void)
+static int write_pid(pid_t pid, const char *pidfile)
{
- struct sigaction act;
+ FILE *fpid;
- memset(&act, 0, sizeof(act));
- act.sa_handler = sig_int;
- act.sa_flags = SA_RESTART;
- sigaction(SIGINT, &act, NULL);
+ fpid = fopen(pidfile, "w");
+ if (!fpid) {
+ log_err("fio: failed opening pid file %s\n", pidfile);
+ return 1;
+ }
- memset(&act, 0, sizeof(act));
- act.sa_handler = sig_int;
- act.sa_flags = SA_RESTART;
- sigaction(SIGTERM, &act, NULL);
+ fprintf(fpid, "%u\n", (unsigned int) pid);
+ fclose(fpid);
+ return 0;
}
-int fio_start_server(int daemonize)
+/*
+ * If pidfile is specified, background us.
+ */
+int fio_start_server(char *pidfile)
{
pid_t pid;
+ int ret;
- server_signal_handler();
+#if defined(WIN32)
+ WSADATA wsd;
+ WSAStartup(MAKEWORD(2,2), &wsd);
+#endif
- if (!daemonize)
+ if (!pidfile)
return fio_server();
- openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER);
+ if (check_existing_pidfile(pidfile)) {
+ log_err("fio: pidfile %s exists and server appears alive\n",
+ pidfile);
+ return -1;
+ }
+
pid = fork();
if (pid < 0) {
- syslog(LOG_ERR, "failed server fork");
+ log_err("fio: failed server fork: %s", strerror(errno));
+ free(pidfile);
return -1;
- } else if (pid)
- exit(0);
+ } else if (pid) {
+ int ret = write_pid(pid, pidfile);
+
+ exit(ret);
+ }
setsid();
+ openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER);
+ log_syslog = 1;
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
f_out = NULL;
f_err = NULL;
- log_syslog = 1;
- return fio_server();
+
+ ret = fio_server();
+
+ closelog();
+ unlink(pidfile);
+ free(pidfile);
+ return ret;
}
void fio_server_set_arg(const char *arg)
projects / fio.git / blobdiff