Fio 1.99.3
[fio.git] / client.c
index cd850c5ac618ab36436b39ecc97dfecb799cbd87..87d03c61ab9dae2844bc30be6902777d194e9cd0 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;
 
        int state;
        int skip_newline;
+       int is_sock;
 
        uint16_t argc;
        char **argv;
@@ -42,32 +47,45 @@ enum {
 
 static FLIST_HEAD(client_list);
 
+#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 int handle_client(struct fio_client *client);
 
-static struct fio_client *find_client_by_fd(int fd)
+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;
        }
 
@@ -78,13 +96,15 @@ 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);
 
        free(client);
+       nr_clients--;
 }
 
 static int __fio_client_add_cmd_option(struct fio_client *client,
@@ -105,76 +125,108 @@ static int __fio_client_add_cmd_option(struct fio_client *client,
        return 0;
 }
 
-int fio_client_add_cmd_option(const char *hostname, const char *opt)
+int fio_client_add_cmd_option(void *cookie, const char *opt)
 {
-       struct fio_client *client;
+       struct fio_client *client = cookie;
 
-       if (!hostname || !opt)
+       if (!client || !opt)
                return 0;
 
-       client = find_client_by_name(hostname);
-       if (!client) {
-               log_err("fio: unknown client %s\n", hostname);
-               return 1;
-       }
-
        return __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));
-                       log_err("fio: failed looking up hostname %s\n",
-                                       client->hostname);
-                       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;
 }
@@ -195,7 +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();
 }
 
@@ -288,6 +340,7 @@ static int fio_client_send_ini(struct fio_client *client, const char *filename)
 
        if (fstat(fd, &sb) < 0) {
                log_err("fio: job file stat: %s\n", strerror(errno));
+               close(fd);
                return 1;
        }
 
@@ -311,11 +364,14 @@ 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;
 }
 
@@ -475,9 +531,18 @@ static void handle_eta(struct fio_net_cmd *cmd)
 static void handle_probe(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);
 }
 
@@ -582,7 +647,7 @@ 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;
                        }
                        if (!handle_client(client)) {