client: sum running ETA of jobs
[fio.git] / client.c
index bcbc1c06599a202d981d0491545266a59b735e1a..dbc85226d90bbe38a5d21443e66c5db2b5ef2387 100644 (file)
--- a/client.c
+++ b/client.c
@@ -9,6 +9,7 @@
 #include <sys/stat.h>
 #include <sys/wait.h>
 #include <sys/socket.h>
+#include <sys/un.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <netdb.h>
 
 #include "fio.h"
 #include "server.h"
-#include "crc/crc32.h"
 #include "flist.h"
+#include "hash.h"
 
 struct fio_client {
        struct flist_head list;
+       struct flist_head hash_list;
        struct sockaddr_in addr;
+       struct sockaddr_un addr_un;
        char *hostname;
+       int port;
        int fd;
 
+       char *name;
+
        int state;
        int skip_newline;
+       int is_sock;
 
        uint16_t argc;
        char **argv;
 };
 
+static struct jobs_eta client_etas;
+static int received_etas;
+
 enum {
        Client_created          = 0,
        Client_connected        = 1,
@@ -42,32 +52,45 @@ enum {
 
 static FLIST_HEAD(client_list);
 
-static int handle_client(struct fio_client *client, int one);
+#define FIO_CLIENT_HASH_BITS   7
+#define FIO_CLIENT_HASH_SZ     (1 << FIO_CLIENT_HASH_BITS)
+#define FIO_CLIENT_HASH_MASK   (FIO_CLIENT_HASH_SZ - 1)
+static struct flist_head client_hash[FIO_CLIENT_HASH_SZ];
 
-static struct fio_client *find_client_by_fd(int fd)
+static int handle_client(struct fio_client *client);
+
+static void fio_client_add_hash(struct fio_client *client)
 {
-       struct fio_client *client;
-       struct flist_head *entry;
+       int bucket = hash_long(client->fd, FIO_CLIENT_HASH_BITS);
 
-       flist_for_each(entry, &client_list) {
-               client = flist_entry(entry, struct fio_client, list);
+       bucket &= FIO_CLIENT_HASH_MASK;
+       flist_add(&client->hash_list, &client_hash[bucket]);
+}
 
-               if (client->fd == fd)
-                       return client;
-       }
+static void fio_client_remove_hash(struct fio_client *client)
+{
+       if (!flist_empty(&client->hash_list))
+               flist_del_init(&client->hash_list);
+}
 
-       return NULL;
+static void fio_init fio_client_hash_init(void)
+{
+       int i;
+
+       for (i = 0; i < FIO_CLIENT_HASH_SZ; i++)
+               INIT_FLIST_HEAD(&client_hash[i]);
 }
 
-static struct fio_client *find_client_by_name(const char *name)
+static struct fio_client *find_client_by_fd(int fd)
 {
+       int bucket = hash_long(fd, FIO_CLIENT_HASH_BITS) & FIO_CLIENT_HASH_MASK;
        struct fio_client *client;
        struct flist_head *entry;
 
-       flist_for_each(entry, &client_list) {
-               client = flist_entry(entry, struct fio_client, list);
+       flist_for_each(entry, &client_hash[bucket]) {
+               client = flist_entry(entry, struct fio_client, hash_list);
 
-               if (!strcmp(name, client->hostname))
+               if (client->fd == fd)
                        return client;
        }
 
@@ -78,101 +101,132 @@ static void remove_client(struct fio_client *client)
 {
        dprint(FD_NET, "client: removed <%s>\n", client->hostname);
        flist_del(&client->list);
-       nr_clients--;
+
+       fio_client_remove_hash(client);
 
        free(client->hostname);
        if (client->argv)
                free(client->argv);
+       if (client->name)
+               free(client->name);
 
        free(client);
+       nr_clients--;
 }
 
-static int __fio_client_add_cmd_option(struct fio_client *client,
-                                      const char *opt)
+static void __fio_client_add_cmd_option(struct fio_client *client,
+                                       const char *opt)
 {
        int index;
 
-       if (client->argc == FIO_NET_CMD_JOBLINE_ARGV) {
-               log_err("fio: max cmd line number reached.\n");
-               log_err("fio: cmd line <%s> has been ignored.\n", opt);
-               return 1;
-       }
-
        index = client->argc++;
        client->argv = realloc(client->argv, sizeof(char *) * client->argc);
        client->argv[index] = strdup(opt);
        dprint(FD_NET, "client: add cmd %d: %s\n", index, opt);
-       return 0;
 }
 
-int fio_client_add_cmd_option(const char *hostname, const char *opt)
+void fio_client_add_cmd_option(void *cookie, const char *opt)
 {
-       struct fio_client *client;
+       struct fio_client *client = cookie;
 
-       if (!hostname || !opt)
-               return 0;
-
-       client = find_client_by_name(hostname);
-       if (!client) {
-               log_err("fio: unknown client %s\n", hostname);
-               return 1;
-       }
+       if (!client || !opt)
+               return;
 
-       return __fio_client_add_cmd_option(client, opt);
+       __fio_client_add_cmd_option(client, opt);
 }
 
-void fio_client_add(const char *hostname)
+int fio_client_add(const char *hostname, void **cookie)
 {
        struct fio_client *client;
 
-       dprint(FD_NET, "client: added  <%s>\n", hostname);
        client = malloc(sizeof(*client));
        memset(client, 0, sizeof(*client));
 
-       client->hostname = strdup(hostname);
+       INIT_FLIST_HEAD(&client->list);
+       INIT_FLIST_HEAD(&client->hash_list);
+
+       if (fio_server_parse_string(hostname, &client->hostname,
+                                       &client->is_sock, &client->port,
+                                       &client->addr.sin_addr))
+               return -1;
+
        client->fd = -1;
 
        __fio_client_add_cmd_option(client, "fio");
 
        flist_add(&client->list, &client_list);
        nr_clients++;
+       dprint(FD_NET, "client: added <%s>\n", client->hostname);
+       *cookie = client;
+       return 0;
 }
 
-static int fio_client_connect(struct fio_client *client)
+static int fio_client_connect_ip(struct fio_client *client)
 {
        int fd;
 
-       dprint(FD_NET, "client: connect to host %s\n", client->hostname);
-
-       memset(&client->addr, 0, sizeof(client->addr));
        client->addr.sin_family = AF_INET;
-       client->addr.sin_port = htons(fio_net_port);
-
-       if (inet_aton(client->hostname, &client->addr.sin_addr) != 1) {
-               struct hostent *hent;
-
-               hent = gethostbyname(client->hostname);
-               if (!hent) {
-                       log_err("fio: gethostbyname: %s\n", strerror(errno));
-                       return 1;
-               }
-
-               memcpy(&client->addr.sin_addr, hent->h_addr, 4);
-       }
+       client->addr.sin_port = htons(client->port);
 
        fd = socket(AF_INET, SOCK_STREAM, 0);
        if (fd < 0) {
                log_err("fio: socket: %s\n", strerror(errno));
-               return 1;
+               return -1;
        }
 
        if (connect(fd, (struct sockaddr *) &client->addr, sizeof(client->addr)) < 0) {
                log_err("fio: connect: %s\n", strerror(errno));
-               log_err("fio: failed to connect to %s\n", client->hostname);
-               return 1;
+               log_err("fio: failed to connect to %s:%u\n", client->hostname,
+                                                               client->port);
+               close(fd);
+               return -1;
+       }
+
+       return fd;
+}
+
+static int fio_client_connect_sock(struct fio_client *client)
+{
+       struct sockaddr_un *addr = &client->addr_un;
+       fio_socklen_t len;
+       int fd;
+
+       memset(addr, 0, sizeof(*addr));
+       addr->sun_family = AF_UNIX;
+       strcpy(addr->sun_path, client->hostname);
+
+       fd = socket(AF_UNIX, SOCK_STREAM, 0);
+       if (fd < 0) {
+               log_err("fio: socket: %s\n", strerror(errno));
+               return -1;
+       }
+
+       len = sizeof(addr->sun_family) + strlen(addr->sun_path) + 1;
+       if (connect(fd, (struct sockaddr *) addr, len) < 0) {
+               log_err("fio: connect; %s\n", strerror(errno));
+               close(fd);
+               return -1;
        }
 
+       return fd;
+}
+
+static int fio_client_connect(struct fio_client *client)
+{
+       int fd;
+
+       dprint(FD_NET, "client: connect to host %s\n", client->hostname);
+
+       if (client->is_sock)
+               fd = fio_client_connect_sock(client);
+       else
+               fd = fio_client_connect_ip(client);
+
+       if (fd < 0)
+               return 1;
+
        client->fd = fd;
+       fio_client_add_hash(client);
        client->state = Client_connected;
        return 0;
 }
@@ -193,7 +247,7 @@ void fio_clients_terminate(void)
 
 static void sig_int(int sig)
 {
-       dprint(FD_NET, "client: got sign %d\n", sig);
+       dprint(FD_NET, "client: got signal %d\n", sig);
        fio_clients_terminate();
 }
 
@@ -217,22 +271,46 @@ static void probe_client(struct fio_client *client)
        dprint(FD_NET, "client: send probe\n");
 
        fio_net_send_simple_cmd(client->fd, FIO_NET_CMD_PROBE, 0);
-       handle_client(client, 1);
+       handle_client(client);
 }
 
 static int send_client_cmd_line(struct fio_client *client)
 {
-       struct cmd_line_pdu *pdu;
+       struct cmd_single_line_pdu *cslp;
+       struct cmd_line_pdu *clp;
+       unsigned long offset;
+       void *pdu;
+       size_t mem;
        int i, ret;
 
        dprint(FD_NET, "client: send cmdline %d\n", client->argc);
 
-       pdu = malloc(sizeof(*pdu));
-       for (i = 0; i < client->argc; i++)
-               strcpy((char *) pdu->argv[i], client->argv[i]);
+       /*
+        * Find out how much mem we need
+        */
+       for (i = 0, mem = 0; i < client->argc; i++)
+               mem += strlen(client->argv[i]) + 1;
 
-       pdu->argc = cpu_to_le16(client->argc);
-       ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, sizeof(*pdu));
+       /*
+        * We need one cmd_line_pdu, and argc number of cmd_single_line_pdu
+        */
+       mem += sizeof(*clp) + (client->argc * sizeof(*cslp));
+
+       pdu = malloc(mem);
+       clp = pdu;
+       offset = sizeof(*clp);
+
+       for (i = 0; i < client->argc; i++) {
+               uint16_t arg_len = strlen(client->argv[i]) + 1;
+
+               cslp = pdu + offset;
+               strcpy((char *) cslp->text, client->argv[i]);
+               cslp->len = cpu_to_le16(arg_len);
+               offset += sizeof(*cslp) + arg_len;
+       }
+
+       clp->lines = cpu_to_le16(client->argc);
+       ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOBLINE, pdu, mem);
        free(pdu);
        return ret;
 }
@@ -280,12 +358,13 @@ static int fio_client_send_ini(struct fio_client *client, const char *filename)
 
        fd = open(filename, O_RDONLY);
        if (fd < 0) {
-               log_err("fio: job file open: %s\n", strerror(errno));
+               log_err("fio: job file <%s> open: %s\n", filename, strerror(errno));
                return 1;
        }
 
        if (fstat(fd, &sb) < 0) {
                log_err("fio: job file stat: %s\n", strerror(errno));
+               close(fd);
                return 1;
        }
 
@@ -309,11 +388,14 @@ static int fio_client_send_ini(struct fio_client *client, const char *filename)
 
        if (len) {
                log_err("fio: failed reading job file %s\n", filename);
+               close(fd);
+               free(buf);
                return 1;
        }
 
        ret = fio_net_send_cmd(client->fd, FIO_NET_CMD_JOB, buf, sb.st_size);
        free(buf);
+       close(fd);
        return ret;
 }
 
@@ -445,9 +527,8 @@ static void handle_gs(struct fio_net_cmd *cmd)
        show_group_stats(gs);
 }
 
-static void handle_eta(struct fio_net_cmd *cmd)
+static void convert_jobs_eta(struct jobs_eta *je)
 {
-       struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
        int i;
 
        je->nr_running          = le32_to_cpu(je->nr_running);
@@ -464,85 +545,138 @@ static void handle_eta(struct fio_net_cmd *cmd)
                je->iops[i]     = le32_to_cpu(je->iops[i]);
        }
 
-       je->elapsed_sec         = le32_to_cpu(je->nr_running);
+       je->elapsed_sec         = le64_to_cpu(je->elapsed_sec);
        je->eta_sec             = le64_to_cpu(je->eta_sec);
+}
+
+static void sum_jobs_eta(struct jobs_eta *je)
+{
+       struct jobs_eta *dst = &client_etas;
+       int i;
+
+       dst->nr_running         += je->nr_running;
+       dst->nr_ramp            += je->nr_ramp;
+       dst->nr_pending         += je->nr_pending;
+       dst->files_open         += je->files_open;
+       dst->m_rate             += je->m_rate;
+       dst->t_rate             += je->t_rate;
+       dst->m_iops             += je->m_iops;
+       dst->t_iops             += je->t_iops;
+
+       for (i = 0; i < 2; i++) {
+               dst->rate[i]    += je->rate[i];
+               dst->iops[i]    += je->iops[i];
+       }
+
+       dst->elapsed_sec        += je->elapsed_sec;
 
-       display_thread_status(je);
+       if (je->eta_sec > dst->eta_sec)
+               dst->eta_sec = je->eta_sec;
 }
 
-static void handle_probe(struct fio_net_cmd *cmd)
+static void handle_eta(struct fio_net_cmd *cmd)
+{
+       struct jobs_eta *je = (struct jobs_eta *) cmd->payload;
+
+       convert_jobs_eta(je);
+
+       if (nr_clients > 1) {
+               sum_jobs_eta(je);
+               received_etas++;
+               if (received_etas == nr_clients) {
+                       received_etas = 0;
+                       display_thread_status(&client_etas);
+                       memset(&client_etas, 0, sizeof(client_etas));
+               }
+       } else
+               display_thread_status(je);
+}
+
+static void handle_probe(struct fio_client *client, struct fio_net_cmd *cmd)
 {
        struct cmd_probe_pdu *probe = (struct cmd_probe_pdu *) cmd->payload;
+       const char *os, *arch;
+
+       os = fio_get_os_string(probe->os);
+       if (!os)
+               os = "unknown";
+
+       arch = fio_get_arch_string(probe->arch);
+       if (!arch)
+               os = "unknown";
 
-       log_info("Probe: hostname=%s, be=%u, fio ver %u.%u.%u\n",
-               probe->hostname, probe->bigendian, probe->fio_major,
+       log_info("hostname=%s, be=%u, os=%s, arch=%s, fio=%u.%u.%u\n",
+               probe->hostname, probe->bigendian, os, arch, probe->fio_major,
                probe->fio_minor, probe->fio_patch);
+
+       if (!client->name)
+               client->name = strdup((char *) probe->hostname);
 }
 
-static int handle_client(struct fio_client *client, int one)
+static int handle_client(struct fio_client *client)
 {
        struct fio_net_cmd *cmd;
-       int done = 0;
 
        dprint(FD_NET, "client: handle %s\n", client->hostname);
 
-       while ((cmd = fio_net_recv_cmd(client->fd, 1)) != NULL) {
-               dprint(FD_NET, "%s: got cmd op %d\n", client->hostname,
-                                                       cmd->opcode);
+       cmd = fio_net_recv_cmd(client->fd);
+       if (!cmd)
+               return 0;
 
-               switch (cmd->opcode) {
-               case FIO_NET_CMD_QUIT:
-                       remove_client(client);
-                       free(cmd);
-                       done = 1;
-                       break;
-               case FIO_NET_CMD_TEXT: {
-                       const char *buf = (const char *) cmd->payload;
-                       int fio_unused ret;
-
-                       if (!client->skip_newline)
-                               fprintf(f_out, "<%s> ", client->hostname);
-                       ret = fwrite(buf, cmd->pdu_len, 1, f_out);
-                       fflush(f_out);
-                       client->skip_newline = strchr(buf, '\n') == NULL;
-                       free(cmd);
-                       break;
-                       }
-               case FIO_NET_CMD_TS:
-                       handle_ts(cmd);
-                       free(cmd);
-                       break;
-               case FIO_NET_CMD_GS:
-                       handle_gs(cmd);
-                       free(cmd);
-                       break;
-               case FIO_NET_CMD_ETA:
-                       handle_eta(cmd);
-                       free(cmd);
-                       break;
-               case FIO_NET_CMD_PROBE:
-                       handle_probe(cmd);
-                       free(cmd);
-                       break;
-               case FIO_NET_CMD_START:
-                       client->state = Client_started;
-                       free(cmd);
-                       break;
-               case FIO_NET_CMD_STOP:
-                       client->state = Client_stopped;
-                       free(cmd);
-                       break;
-               default:
-                       log_err("fio: unknown client op: %d\n", cmd->opcode);
-                       free(cmd);
-                       break;
+       dprint(FD_NET, "client: got cmd op %d from %s\n",
+                                       cmd->opcode, client->hostname);
+
+       switch (cmd->opcode) {
+       case FIO_NET_CMD_QUIT:
+               remove_client(client);
+               free(cmd);
+               break;
+       case FIO_NET_CMD_TEXT: {
+               const char *buf = (const char *) cmd->payload;
+               const char *name;
+               int fio_unused ret;
+
+               name = client->name ? client->name : client->hostname;
+
+               if (!client->skip_newline)
+                       fprintf(f_out, "<%s> ", name);
+               ret = fwrite(buf, cmd->pdu_len, 1, f_out);
+               fflush(f_out);
+               client->skip_newline = strchr(buf, '\n') == NULL;
+               free(cmd);
+               break;
                }
-
-               if (done || one)
-                       break;
+       case FIO_NET_CMD_TS:
+               handle_ts(cmd);
+               free(cmd);
+               break;
+       case FIO_NET_CMD_GS:
+               handle_gs(cmd);
+               free(cmd);
+               break;
+       case FIO_NET_CMD_ETA:
+               handle_eta(cmd);
+               free(cmd);
+               break;
+       case FIO_NET_CMD_PROBE:
+               handle_probe(client, cmd);
+               free(cmd);
+               break;
+       case FIO_NET_CMD_START:
+               client->state = Client_started;
+               free(cmd);
+               break;
+       case FIO_NET_CMD_STOP:
+               client->state = Client_stopped;
+               free(cmd);
+               break;
+       default:
+               log_err("fio: unknown client op: %d\n", cmd->opcode);
+               free(cmd);
+               break;
        }
 
-       return 0;
+       return 1;
 }
 
 int fio_handle_clients(void)
@@ -583,10 +717,14 @@ int fio_handle_clients(void)
 
                        client = find_client_by_fd(pfds[i].fd);
                        if (!client) {
-                               log_err("fio: unknown client\n");
+                               log_err("fio: unknown client fd %d\n", pfds[i].fd);
                                continue;
                        }
-                       handle_client(client, 0);
+                       if (!handle_client(client)) {
+                               log_info("client: host=%s disconnected\n",
+                                               client->hostname);
+                               remove_client(client);
+                       }
                }
        }