server: memset job_add pdu before filling and sending
[fio.git] / server.c
index a366f68862a5c018d8b36da8fdca35ecb7aeaceb..116b3d605d8da1aac6c9b39ee0469cad9db51817 100644 (file)
--- a/server.c
+++ b/server.c
@@ -16,6 +16,7 @@
 #include <netdb.h>
 #include <syslog.h>
 #include <signal.h>
 #include <netdb.h>
 #include <syslog.h>
 #include <signal.h>
+#include <zlib.h>
 
 #include "fio.h"
 #include "server.h"
 
 #include "fio.h"
 #include "server.h"
@@ -233,9 +234,11 @@ struct fio_net_cmd *fio_net_recv_cmd(int sk)
 
                                buf[pdu->buf_len ] = '\0';
                        } else if (cmdret->opcode == FIO_NET_CMD_JOB) {
 
                                buf[pdu->buf_len ] = '\0';
                        } else if (cmdret->opcode == FIO_NET_CMD_JOB) {
-                               char *buf = (char *) cmdret->payload;
+                               struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload;
+                               char *buf = (char *) pdu->buf;
+                               int len = le32_to_cpu(pdu->buf_len);
 
 
-                               buf[cmdret->pdu_len ] = '\0';
+                               buf[len] = '\0';
                        }
                }
 
                        }
                }
 
@@ -246,15 +249,19 @@ struct fio_net_cmd *fio_net_recv_cmd(int sk)
        return cmdret;
 }
 
        return cmdret;
 }
 
-void fio_net_cmd_crc(struct fio_net_cmd *cmd)
+void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, void *pdu)
 {
        uint32_t pdu_len;
 
        cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ));
 
        pdu_len = le32_to_cpu(cmd->pdu_len);
 {
        uint32_t pdu_len;
 
        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(fio_crc16(cmd->payload, pdu_len));
+       cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len));
+}
+
+void fio_net_cmd_crc(struct fio_net_cmd *cmd)
+{
+       fio_net_cmd_crc_pdu(cmd, cmd->payload);
 }
 
 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,
@@ -361,10 +368,14 @@ static int handle_run_cmd(struct fio_net_cmd *cmd)
 
 static int handle_job_cmd(struct fio_net_cmd *cmd)
 {
 
 static int handle_job_cmd(struct fio_net_cmd *cmd)
 {
-       char *buf = (char *) cmd->payload;
+       struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload;
+       void *buf = pdu->buf;
        struct cmd_start_pdu spdu;
 
        struct cmd_start_pdu spdu;
 
-       if (parse_jobs_ini(buf, 1, 0)) {
+       pdu->buf_len = le32_to_cpu(pdu->buf_len);
+       pdu->client_type = le32_to_cpu(pdu->client_type);
+
+       if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) {
                fio_server_send_quit_cmd();
                return -1;
        }
                fio_server_send_quit_cmd();
                return -1;
        }
@@ -386,6 +397,7 @@ static int handle_jobline_cmd(struct fio_net_cmd *cmd)
 
        clp = pdu;
        clp->lines = le16_to_cpu(clp->lines);
 
        clp = pdu;
        clp->lines = le16_to_cpu(clp->lines);
+       clp->client_type = le16_to_cpu(clp->client_type);
        argv = malloc(clp->lines * sizeof(char *));
        offset = sizeof(*clp);
 
        argv = malloc(clp->lines * sizeof(char *));
        offset = sizeof(*clp);
 
@@ -399,7 +411,7 @@ static int handle_jobline_cmd(struct fio_net_cmd *cmd)
                dprint(FD_NET, "server: %d: %s\n", i, argv[i]);
        }
 
                dprint(FD_NET, "server: %d: %s\n", i, argv[i]);
        }
 
-       if (parse_cmd_line(clp->lines, argv)) {
+       if (parse_cmd_line(clp->lines, argv, clp->client_type)) {
                fio_server_send_quit_cmd();
                free(argv);
                return -1;
                fio_server_send_quit_cmd();
                free(argv);
                return -1;
@@ -839,10 +851,85 @@ void fio_server_send_du(void)
        }
 }
 
        }
 }
 
+int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name)
+{
+       struct cmd_iolog_pdu pdu;
+       struct fio_net_cmd cmd;
+       z_stream stream;
+       void *out_pdu;
+       int i;
+
+       pdu.nr_samples = __cpu_to_le32(log->nr_samples);
+       pdu.log_type = cpu_to_le32(log->log_type);
+       strcpy((char *) pdu.name, name);
+
+       for (i = 0; i < log->nr_samples; i++) {
+               struct io_sample *s = &log->log[i];
+
+               s->time = cpu_to_le64(s->time);
+               s->val  = cpu_to_le64(s->val);
+               s->ddir = cpu_to_le32(s->ddir);
+               s->bs   = cpu_to_le32(s->bs);
+       }
+
+       /*
+        * Dirty - since the log is potentially huge, compress it into
+        * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving
+        * side defragment it.
+        */
+       out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU);
+
+       stream.zalloc = Z_NULL;
+       stream.zfree = Z_NULL;
+       stream.opaque = Z_NULL;
+
+       if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) {
+               free(out_pdu);
+               return 1;
+       }
+
+       /*
+        * Send header first, it's not compressed.
+        */
+       __fio_init_net_cmd(&cmd, FIO_NET_CMD_IOLOG, sizeof(pdu), 0);
+       cmd.flags = __cpu_to_le32(FIO_NET_CMD_F_MORE);
+       fio_net_cmd_crc_pdu(&cmd, &pdu);
+       fio_send_data(server_fd, &cmd, sizeof(cmd));
+       fio_send_data(server_fd, &pdu, sizeof(pdu));
+
+       stream.next_in = (void *) log->log;
+       stream.avail_in = log->nr_samples * sizeof(struct io_sample);
+
+       do {
+               unsigned int this_len;
+
+               stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU;
+               stream.next_out = out_pdu;
+               assert(deflate(&stream, Z_FINISH) == Z_OK);
+
+               this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out;
+
+               __fio_init_net_cmd(&cmd, FIO_NET_CMD_IOLOG, this_len, 0);
+
+               if (stream.avail_in)
+                       cmd.flags = __cpu_to_le32(FIO_NET_CMD_F_MORE);
+
+               fio_net_cmd_crc_pdu(&cmd, out_pdu);
+
+               fio_send_data(server_fd, &cmd, sizeof(cmd));
+               fio_send_data(server_fd, out_pdu, this_len);
+       } while (stream.avail_in);
+
+       free(out_pdu);
+       deflateEnd(&stream);
+       return 0;
+}
+
 void fio_server_send_add_job(struct thread_options *o, const char *ioengine)
 {
        struct cmd_add_job_pdu pdu;
 
 void fio_server_send_add_job(struct thread_options *o, const char *ioengine)
 {
        struct cmd_add_job_pdu pdu;
 
+       memset(&pdu, 0, sizeof(pdu));
        convert_thread_options_to_net(&pdu.top, o);
 
        fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), 0);
        convert_thread_options_to_net(&pdu.top, o);
 
        fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), 0);
@@ -1234,8 +1321,8 @@ int fio_start_server(char *pidfile)
        int ret;
 
 #if defined(WIN32)
        int ret;
 
 #if defined(WIN32)
-    WSADATA wsd;
-    WSAStartup(MAKEWORD(2,2), &wsd);
+       WSADATA wsd;
+       WSAStartup(MAKEWORD(2,2), &wsd);
 #endif
 
        if (!pidfile)
 #endif
 
        if (!pidfile)