#include "crc/crc16.h"
#include "ieee754.h"
+#include "fio_version.h"
+
int fio_net_port = 8765;
int exit_backend = 0;
static char *bind_sock;
static struct sockaddr_in saddr_in;
+static const char *fio_server_ops[FIO_NET_CMD_NR] = {
+ "",
+ "QUIT",
+ "EXIT",
+ "JOB",
+ "JOBLINE",
+ "TEXT",
+ "TS",
+ "GS",
+ "SEND_ETA",
+ "ETA",
+ "PROBE",
+ "START",
+ "STOP"
+};
+
+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)
{
assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_PDU);
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->version = le16_to_cpu(cmd->version);
cmd->opcode = le16_to_cpu(cmd->opcode);
cmd->flags = le32_to_cpu(cmd->flags);
- cmd->serial = le64_to_cpu(cmd->serial);
+ cmd->tag = le64_to_cpu(cmd->tag);
cmd->pdu_len = le32_to_cpu(cmd->pdu_len);
switch (cmd->version) {
- case FIO_SERVER_VER2:
+ case FIO_SERVER_VER:
break;
default:
log_err("fio: bad server cmd version %d\n", cmd->version);
cmd->pdu_crc16 = __cpu_to_le16(crc16(cmd->payload, pdu_len));
}
-int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size)
+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);
+ fio_init_net_cmd(cmd, opcode, buf, this_len, tag);
if (this_len < size)
cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE);
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 serial)
+static int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag)
{
struct fio_net_cmd cmd;
- fio_init_net_cmd(&cmd, opcode, NULL, 0);
+ fio_init_net_cmd(&cmd, opcode, NULL, 0, tag);
fio_net_cmd_crc(&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);
+ gettimeofday(&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)
return -1;
}
- 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();
fio_server_send_quit_cmd();
static int handle_jobline_cmd(struct fio_net_cmd *cmd)
{
- struct cmd_line_pdu *pdu = (struct cmd_line_pdu *) cmd->payload;
- char *argv[FIO_NET_CMD_JOBLINE_ARGV];
+ void *pdu = cmd->payload;
+ struct cmd_single_line_pdu *cslp;
+ struct cmd_line_pdu *clp;
+ unsigned long offset;
+ char **argv;
int ret, i;
- pdu->argc = le16_to_cpu(pdu->argc);
+ clp = pdu;
+ clp->lines = le16_to_cpu(clp->lines);
+ argv = malloc(clp->lines * sizeof(char *));
+ offset = sizeof(*clp);
- dprint(FD_NET, "server: %d command line args\n", pdu->argc);
+ dprint(FD_NET, "server: %d command line args\n", clp->lines);
- for (i = 0; i < pdu->argc; i++) {
- argv[i] = (char *) pdu->argv[i];
+ for (i = 0; i < clp->lines; i++) {
+ cslp = pdu + offset;
+ argv[i] = (char *) cslp->text;
+
+ offset += sizeof(*cslp) + le16_to_cpu(cslp->len);
dprint(FD_NET, "server: %d: %s\n", i, argv[i]);
}
- if (parse_cmd_line(pdu->argc, argv)) {
+ if (parse_cmd_line(clp->lines, argv)) {
fio_server_send_quit_cmd();
+ free(argv);
return -1;
}
- fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0);
+ free(argv);
+
+ fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0, NULL);
ret = exec_run();
fio_server_send_quit_cmd();
{
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
probe.fio_minor = FIO_MINOR;
probe.fio_patch = FIO_PATCH;
- return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe));
+ probe.os = FIO_OS;
+ probe.arch = FIO_ARCH;
+
+ 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;
+ int i;
+
+ size = sizeof(*je) + thread_number * sizeof(char);
+ 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->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 < 2; 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->eta_sec = cpu_to_le64(je->eta_sec);
+
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, cmd->tag);
+ free(je);
+ return 0;
}
static int handle_command(struct fio_net_cmd *cmd)
{
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:
case FIO_NET_CMD_PROBE:
ret = handle_probe_cmd(cmd);
break;
+ case FIO_NET_CMD_SEND_ETA:
+ 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;
}
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);
+ 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)
convert_gs(&p.rs, rs);
- fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p));
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), 0);
}
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));
-}
-
-void fio_server_send_status(void)
-{
- 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 (!calc_thread_status(je)) {
- free(je);
- return;
- }
-
- 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->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 < 2; 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->eta_sec = cpu_to_le64(je->eta_sec);
-
- fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, buf, size);
- free(je);
+ fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), 0);
}
int fio_server_log(const char *format, ...)
opt = 1;
if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) {
log_err("fio: setsockopt: %s\n", strerror(errno));
+ close(sk);
return -1;
}
#ifdef SO_REUSEPORT
if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) {
log_err("fio: setsockopt: %s\n", strerror(errno));
+ close(sk);
return -1;
}
#endif
saddr_in.sin_family = AF_INET;
- saddr_in.sin_port = htons(fio_net_port);
if (bind(sk, (struct sockaddr *) &saddr_in, sizeof(saddr_in)) < 0) {
log_err("fio: bind: %s\n", strerror(errno));
+ close(sk);
return -1;
}
if (bind(sk, (struct sockaddr *) &addr, len) < 0) {
log_err("fio: bind: %s\n", strerror(errno));
+ close(sk);
return -1;
}
static int fio_init_server_connection(void)
{
+ char bind_str[128];
int sk;
dprint(FD_NET, "starting server\n");
if (sk < 0)
return sk;
- if (listen(sk, 1) < 0) {
+ if (!bind_sock)
+ sprintf(bind_str, "%s:%u", inet_ntoa(saddr_in.sin_addr), fio_net_port);
+ else
+ strcpy(bind_str, bind_sock);
+
+ log_info("fio: server listening on %s\n", bind_str);
+
+ if (listen(sk, 0) < 0) {
log_err("fio: listen: %s\n", strerror(errno));
return -1;
}
return sk;
}
+int fio_server_parse_string(const char *str, char **ptr, int *is_sock,
+ int *port, struct in_addr *inp)
+{
+ *ptr = NULL;
+ *is_sock = 0;
+ *port = fio_net_port;
+
+ 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);
+ 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;
+
+ *ptr = strdup(host);
+
+ if (inet_aton(host, inp) != 1) {
+ struct hostent *hent;
+
+ hent = gethostbyname(host);
+ if (!hent) {
+ free(*ptr);
+ *ptr = NULL;
+ return 1;
+ }
+
+ memcpy(inp, hent->h_addr, 4);
+ }
+ }
+
+ if (*port == 0)
+ *port = fio_net_port;
+
+ return 0;
+}
+
/*
* Server arg should be one of:
*
*/
static int fio_handle_server_arg(void)
{
+ int port = fio_net_port;
+ int is_sock, ret = 0;
+
saddr_in.sin_addr.s_addr = htonl(INADDR_ANY);
if (!fio_server_arg)
- return 0;
- if (!strncmp(fio_server_arg, "sock:", 5)) {
- bind_sock = fio_server_arg += 5;
- return 0;
- } else {
- char *host = fio_server_arg;
-
- if (!strncmp(host, "ip:", 3))
- host += 3;
+ goto out;
- if (inet_aton(host, &saddr_in.sin_addr) != 1) {
- struct hostent *hent;
+ ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock,
+ &port, &saddr_in.sin_addr);
- hent = gethostbyname(host);
- if (hent)
- memcpy(&saddr_in.sin_addr, hent->h_addr, 4);
- }
- return 0;
+ if (!is_sock && bind_sock) {
+ free(bind_sock);
+ bind_sock = NULL;
}
+
+out:
+ fio_net_port = port;
+ saddr_in.sin_port = htons(port);
+ return ret;
}
static int fio_server(void)
free(fio_server_arg);
fio_server_arg = NULL;
}
+ if (bind_sock)
+ free(bind_sock);
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 void server_signal_handler(void)
+static int check_existing_pidfile(const char *pidfile)
{
- struct sigaction act;
+ struct stat sb;
+ char buf[16];
+ pid_t pid;
+ FILE *f;
+
+ if (stat(pidfile, &sb))
+ return 0;
- memset(&act, 0, sizeof(act));
- act.sa_handler = sig_int;
- act.sa_flags = SA_RESTART;
- sigaction(SIGINT, &act, NULL);
+ f = fopen(pidfile, "r");
+ if (!f)
+ return 0;
- memset(&act, 0, sizeof(act));
- act.sa_handler = sig_int;
- act.sa_flags = SA_RESTART;
- sigaction(SIGTERM, &act, NULL);
+ 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;
}
-int fio_start_server(int daemonize)
+static int write_pid(pid_t pid, const char *pidfile)
{
- pid_t pid;
+ FILE *fpid;
- server_signal_handler();
+ fpid = fopen(pidfile, "w");
+ if (!fpid) {
+ log_err("fio: failed opening pid file %s\n", pidfile);
+ return 1;
+ }
+
+ fprintf(fpid, "%u\n", (unsigned int) pid);
+ fclose(fpid);
+ return 0;
+}
+
+/*
+ * If pidfile is specified, background us.
+ */
+int fio_start_server(char *pidfile)
+{
+ pid_t pid;
+ int ret;
- 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_add_arg(const char *arg)
+void fio_server_set_arg(const char *arg)
{
fio_server_arg = strdup(arg);
}
projects / fio.git / blobdiff