#include <sys/poll.h>
#include <sys/types.h>
#include <sys/wait.h>
-#include <sys/mman.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <sys/un.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <syslog.h>
+#include <signal.h>
#include "fio.h"
#include "server.h"
#include "crc/crc16.h"
+#include "ieee754.h"
int fio_net_port = 8765;
int exit_backend = 0;
static int server_fd = -1;
+static char *fio_server_arg;
+static char *bind_sock;
+static struct sockaddr_in saddr_in;
int fio_send_data(int sk, const void *p, unsigned int len)
{
cmd->pdu_len = le32_to_cpu(cmd->pdu_len);
switch (cmd->version) {
- case FIO_SERVER_VER1:
+ case FIO_SERVER_VER2:
break;
default:
log_err("fio: bad server cmd version %d\n", cmd->version);
if (ret)
break;
- if (first)
- cmd_size = sizeof(cmd) + cmd.pdu_len;
- else
+ if (first) {
+ /* if this is text, add room for \0 at the end */
+ cmd_size = sizeof(cmd) + cmd.pdu_len + 1;
+ assert(!cmdret);
+ } else
cmd_size += cmd.pdu_len;
cmdret = realloc(cmdret, cmd_size);
if (ret) {
free(cmdret);
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;
- if (cmdret)
+ buf[cmdret->pdu_len ] = '\0';
+ }
+ /* frag flag is internal */
cmdret->flags &= ~FIO_NET_CMD_F_MORE;
+ }
return cmdret;
}
return ret;
}
-static int send_simple_command(int sk, uint16_t opcode, uint64_t serial)
+int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t serial)
{
- struct fio_net_cmd cmd = {
- .version = __cpu_to_le16(FIO_SERVER_VER1),
- .opcode = cpu_to_le16(opcode),
- .serial = cpu_to_le64(serial),
- };
+ struct fio_net_cmd cmd;
+ fio_init_net_cmd(&cmd, opcode, NULL, 0);
fio_net_cmd_crc(&cmd);
return fio_send_data(sk, &cmd, sizeof(cmd));
}
-/*
- * Send an ack for this command
- */
-static int ack_command(int sk, struct fio_net_cmd *cmd)
+static int fio_server_send_quit_cmd(void)
{
-#if 0
- return send_simple_command(sk, FIO_NET_CMD_ACK, cmd->serial);
-#else
- return 0;
-#endif
+ dprint(FD_NET, "server: sending quit\n");
+ return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0);
}
-#if 0
-static int nak_command(int sk, struct fio_net_cmd *cmd)
+static int handle_job_cmd(struct fio_net_cmd *cmd)
{
- return send_simple_command(sk, FIO_NET_CMD_NAK, cmd->serial);
-}
-#endif
+ char *buf = (char *) cmd->payload;
+ int ret;
-static int send_quit_command(void)
-{
- dprint(FD_NET, "server: sending quit\n");
- return send_simple_command(server_fd, FIO_NET_CMD_QUIT, 0);
+ if (parse_jobs_ini(buf, 1, 0)) {
+ fio_server_send_quit_cmd();
+ return -1;
+ }
+
+ fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0);
+
+ ret = exec_run();
+ fio_server_send_quit_cmd();
+ reset_fio_state();
+ return ret;
}
-static int handle_cur_job(struct fio_net_cmd *cmd)
+static int handle_jobline_cmd(struct fio_net_cmd *cmd)
{
- void *buf = cmd->payload;
- int ret;
+ struct cmd_line_pdu *pdu = (struct cmd_line_pdu *) cmd->payload;
+ char *argv[FIO_NET_CMD_JOBLINE_ARGV];
+ int ret, i;
+
+ pdu->argc = le16_to_cpu(pdu->argc);
+
+ dprint(FD_NET, "server: %d command line args\n", pdu->argc);
+
+ for (i = 0; i < pdu->argc; i++) {
+ argv[i] = (char *) pdu->argv[i];
+ dprint(FD_NET, "server: %d: %s\n", i, argv[i]);
+ }
+
+ if (parse_cmd_line(pdu->argc, argv)) {
+ fio_server_send_quit_cmd();
+ return -1;
+ }
+
+ fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0);
- parse_jobs_ini(buf, 1, 0);
ret = exec_run();
- send_quit_command();
+ fio_server_send_quit_cmd();
reset_fio_state();
return ret;
}
+static int handle_probe_cmd(struct fio_net_cmd *cmd)
+{
+ struct cmd_probe_pdu probe;
+
+ memset(&probe, 0, sizeof(probe));
+ gethostname((char *) probe.hostname, sizeof(probe.hostname));
+#ifdef FIO_BIG_ENDIAN
+ probe.bigendian = 1;
+#endif
+ probe.fio_major = FIO_MAJOR;
+ probe.fio_minor = FIO_MINOR;
+ probe.fio_patch = FIO_PATCH;
+
+ return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe));
+}
+
static int handle_command(struct fio_net_cmd *cmd)
{
int ret;
switch (cmd->opcode) {
case FIO_NET_CMD_QUIT:
- return 1;
+ fio_terminate_threads(TERMINATE_ALL);
+ return -1;
case FIO_NET_CMD_EXIT:
exit_backend = 1;
- return 1;
- case FIO_NET_CMD_ACK:
- return 0;
- case FIO_NET_CMD_NAK:
- return 1;
+ return -1;
case FIO_NET_CMD_JOB:
- ret = handle_cur_job(cmd);
+ ret = handle_job_cmd(cmd);
+ break;
+ case FIO_NET_CMD_JOBLINE:
+ ret = handle_jobline_cmd(cmd);
+ break;
+ case FIO_NET_CMD_PROBE:
+ ret = handle_probe_cmd(cmd);
break;
default:
log_err("fio: unknown opcode: %d\n", cmd->opcode);
return ret;
}
-static int handle_connection(int sk)
+static int handle_connection(int sk, int block)
{
struct fio_net_cmd *cmd = NULL;
int ret = 0;
/* read forever */
while (!exit_backend) {
+ struct pollfd pfd = {
+ .fd = sk,
+ .events = POLLIN,
+ };
+
+ ret = 0;
+ do {
+ ret = poll(&pfd, 1, 100);
+ if (ret < 0) {
+ if (errno == EINTR)
+ break;
+ log_err("fio: poll: %s\n", strerror(errno));
+ break;
+ } else if (!ret) {
+ if (!block)
+ return 0;
+ continue;
+ }
+
+ if (pfd.revents & POLLIN)
+ break;
+ if (pfd.revents & (POLLERR|POLLHUP)) {
+ ret = 1;
+ break;
+ }
+ } while (!exit_backend);
+
+ if (ret < 0)
+ break;
+
cmd = fio_net_recv_cmd(sk);
if (!cmd) {
- ret = 1;
+ ret = -1;
break;
}
- ret = ack_command(sk, cmd);
- if (ret)
- break;
-
ret = handle_command(cmd);
if (ret)
break;
return ret;
}
+void fio_server_idle_loop(void)
+{
+ if (server_fd != -1)
+ handle_connection(server_fd, 0);
+}
+
static int accept_loop(int listen_sk)
{
- struct sockaddr addr;
- unsigned int len = sizeof(addr);
+ struct sockaddr_in addr;
+ fio_socklen_t len = sizeof(addr);
struct pollfd pfd;
int ret, sk, flags, exitval = 0;
+ dprint(FD_NET, "server enter accept loop\n");
+
flags = fcntl(listen_sk, F_GETFL);
flags |= O_NONBLOCK;
fcntl(listen_sk, F_SETFL, flags);
if (exit_backend)
goto out;
- sk = accept(listen_sk, &addr, &len);
+ sk = accept(listen_sk, (struct sockaddr *) &addr, &len);
if (sk < 0) {
log_err("fio: accept: %s\n", strerror(errno));
return -1;
}
- dprint(FD_NET, "server got a connection\n");
+ dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr));
server_fd = sk;
- exitval = handle_connection(sk);
+ exitval = handle_connection(sk, 1);
server_fd = -1;
close(sk);
return exitval;
}
-static int fio_server(void)
-{
- struct sockaddr_in saddr_in;
- struct sockaddr addr;
- unsigned int len;
- int sk, opt, ret;
-
- dprint(FD_NET, "starting server\n");
-
- 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) {
- log_err("fio: setsockopt: %s\n", strerror(errno));
- return -1;
- }
-#ifdef SO_REUSEPORT
- if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) {
- log_err("fio: setsockopt: %s\n", strerror(errno));
- return 1;
- }
-#endif
-
- saddr_in.sin_family = AF_INET;
- saddr_in.sin_addr.s_addr = htonl(INADDR_ANY);
- 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));
- return -1;
- }
-
- if (listen(sk, 1) < 0) {
- log_err("fio: listen: %s\n", strerror(errno));
- return -1;
- }
-
- len = sizeof(addr);
- if (getsockname(sk, &addr, &len) < 0) {
- log_err("fio: getsockname: %s\n", strerror(errno));
- return -1;
- }
-
- ret = accept_loop(sk);
- close(sk);
- return ret;
-}
-
int fio_server_text_output(const char *buf, unsigned int len)
{
if (server_fd != -1)
return fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, buf, len);
- return 0;
+ return fwrite(buf, len, 1, f_err);
}
static void convert_io_stat(struct io_stat *dst, struct io_stat *src)
dst->max_val = cpu_to_le64(src->max_val);
dst->min_val = cpu_to_le64(src->min_val);
dst->samples = cpu_to_le64(src->samples);
- /* FIXME */
- dst->mean = __cpu_to_le64(src->mean);
- dst->S = __cpu_to_le64(src->S);
+
+ /*
+ * 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));
}
static void convert_gs(struct group_run_stats *dst, struct group_run_stats *src)
struct cmd_ts_pdu p;
int i, j;
+ dprint(FD_NET, "server sending end stats\n");
+
+ memset(&p, 0, sizeof(p));
+
strcpy(p.ts.name, ts->name);
strcpy(p.ts.verror, ts->verror);
strcpy(p.ts.description, ts->description);
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_list = NULL;
+
+ for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
+ fio_fp64_t *fp = &p.ts.percentile_list[i];
+
+ fp->u.i = __cpu_to_le64(fio_double_to_uint64(fp->u.f));
+ }
for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]);
for (i = 0; i < 3; 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->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_submit = cpu_to_le64(ts->total_submit);
p.ts.total_complete = cpu_to_le64(ts->total_complete);
for (i = 0; i < 2; i++) {
{
struct group_run_stats gs;
+ 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));
}
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);
va_list args;
size_t len;
+ dprint(FD_NET, "server log\n");
+
va_start(args, format);
len = vsnprintf(buffer, sizeof(buffer), format, args);
va_end(args);
return fio_server_text_output(buffer, len);
}
+static int fio_init_server_ip(void)
+{
+ int sk, opt;
+
+ 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) {
+ 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;
+
+ if (bind(sk, (struct sockaddr *) &saddr_in, sizeof(saddr_in)) < 0) {
+ log_err("fio: bind: %s\n", strerror(errno));
+ close(sk);
+ return -1;
+ }
+
+ return sk;
+}
+
+static int fio_init_server_sock(void)
+{
+ struct sockaddr_un addr;
+ fio_socklen_t len;
+ mode_t mode;
+ int sk;
+
+ sk = socket(AF_UNIX, SOCK_STREAM, 0);
+ if (sk < 0) {
+ log_err("fio: socket: %s\n", strerror(errno));
+ return -1;
+ }
+
+ mode = umask(000);
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ strcpy(addr.sun_path, bind_sock);
+ unlink(bind_sock);
+
+ len = sizeof(addr.sun_family) + strlen(bind_sock) + 1;
+
+ if (bind(sk, (struct sockaddr *) &addr, len) < 0) {
+ log_err("fio: bind: %s\n", strerror(errno));
+ close(sk);
+ return -1;
+ }
+
+ umask(mode);
+ return sk;
+}
+
+static int fio_init_server_connection(void)
+{
+ char bind_str[128];
+ int sk;
+
+ dprint(FD_NET, "starting server\n");
+
+ if (!bind_sock)
+ sk = fio_init_server_ip();
+ else
+ sk = fio_init_server_sock();
+
+ if (sk < 0)
+ return sk;
+
+ 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, 1) < 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 = 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);
+ 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) {
+ printf("FAIL\n");
+ 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:
+ *
+ * sock:/path/to/socket
+ * ip:1.2.3.4
+ * 1.2.3.4
+ *
+ * Where sock uses unix domain sockets, and ip binds the server to
+ * a specific interface. If no arguments are given to the server, it
+ * uses IP and binds to 0.0.0.0.
+ *
+ */
+static int fio_handle_server_arg(void)
+{
+ int is_sock, ret;
+
+ saddr_in.sin_addr.s_addr = htonl(INADDR_ANY);
+ saddr_in.sin_port = htons(fio_net_port);
+
+ if (!fio_server_arg)
+ return 0;
+
+ ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock,
+ &fio_net_port, &saddr_in.sin_addr);
+
+ if (!is_sock && bind_sock) {
+ free(bind_sock);
+ bind_sock = NULL;
+ }
+
+ return ret;
+}
+
+static int fio_server(void)
+{
+ int sk, ret;
+
+ dprint(FD_NET, "starting server\n");
+
+ if (fio_handle_server_arg())
+ return -1;
+
+ sk = fio_init_server_connection();
+ if (sk < 0)
+ return -1;
+
+ ret = accept_loop(sk);
+
+ close(sk);
+
+ if (fio_server_arg) {
+ free(fio_server_arg);
+ fio_server_arg = NULL;
+ }
+ if (bind_sock)
+ free(bind_sock);
+
+ return ret;
+}
+
+static void sig_int(int sig)
+{
+ fio_terminate_threads(TERMINATE_ALL);
+ exit_backend = 1;
+}
+
+static void server_signal_handler(void)
+{
+ struct sigaction act;
+
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = sig_int;
+ act.sa_flags = SA_RESTART;
+ sigaction(SIGINT, &act, NULL);
+
+ memset(&act, 0, sizeof(act));
+ act.sa_handler = sig_int;
+ act.sa_flags = SA_RESTART;
+ sigaction(SIGTERM, &act, NULL);
+}
+
int fio_start_server(int daemonize)
{
pid_t pid;
+ server_signal_handler();
+
if (!daemonize)
return fio_server();
pid = fork();
if (pid < 0) {
syslog(LOG_ERR, "failed server fork");
- return 1;
+ return -1;
} else if (pid)
exit(0);
log_syslog = 1;
return fio_server();
}
+
+void fio_server_set_arg(const char *arg)
+{
+ fio_server_arg = strdup(arg);
+}
projects / fio.git / blobdiff