#ifndef FIO_SERVER_H
#define FIO_SERVER_H
-extern int fio_server(void);
+#include <inttypes.h>
+#include <string.h>
+#include <sys/time.h>
+#include <netinet/in.h>
+
+#include "stat.h"
+#include "os/os.h"
+#include "diskutil.h"
+
+#define FIO_NET_PORT 8765
+
+struct sk_out {
+ unsigned int refs; /* frees sk_out when it drops to zero.
+ * protected by below ->lock */
+
+ int sk; /* socket fd to talk to client */
+ struct fio_mutex lock; /* protects ref and below list */
+ struct flist_head list; /* list of pending transmit work */
+ struct fio_mutex wait; /* wake backend when items added to list */
+ struct fio_mutex xmit; /* held while sending data */
+};
+
+/*
+ * On-wire encoding is little endian
+ */
+struct fio_net_cmd {
+ uint16_t version; /* protocol version */
+ uint16_t opcode; /* command opcode */
+ uint32_t flags; /* modifier flags */
+ uint64_t tag; /* passed back on reply */
+ uint32_t pdu_len; /* length of post-cmd layload */
+ /*
+ * These must be immediately before the payload, anything before
+ * these fields are checksummed.
+ */
+ uint16_t cmd_crc16; /* cmd checksum */
+ uint16_t pdu_crc16; /* payload checksum */
+ uint8_t payload[]; /* payload */
+};
+
+struct fio_net_cmd_reply {
+ struct flist_head list;
+ struct timespec ts;
+ uint64_t saved_tag;
+ uint16_t opcode;
+};
+
+enum {
+ FIO_SERVER_VER = 68,
+
+ FIO_SERVER_MAX_FRAGMENT_PDU = 1024,
+ FIO_SERVER_MAX_CMD_MB = 2048,
+
+ FIO_NET_CMD_QUIT = 1,
+ FIO_NET_CMD_EXIT = 2,
+ FIO_NET_CMD_JOB = 3,
+ FIO_NET_CMD_JOBLINE = 4,
+ FIO_NET_CMD_TEXT = 5,
+ FIO_NET_CMD_TS = 6,
+ FIO_NET_CMD_GS = 7,
+ FIO_NET_CMD_SEND_ETA = 8,
+ FIO_NET_CMD_ETA = 9,
+ FIO_NET_CMD_PROBE = 10,
+ FIO_NET_CMD_START = 11,
+ FIO_NET_CMD_STOP = 12,
+ FIO_NET_CMD_DU = 13,
+ FIO_NET_CMD_SERVER_START = 14,
+ FIO_NET_CMD_ADD_JOB = 15,
+ FIO_NET_CMD_RUN = 16,
+ FIO_NET_CMD_IOLOG = 17,
+ FIO_NET_CMD_UPDATE_JOB = 18,
+ FIO_NET_CMD_LOAD_FILE = 19,
+ FIO_NET_CMD_VTRIGGER = 20,
+ FIO_NET_CMD_SENDFILE = 21,
+ FIO_NET_CMD_JOB_OPT = 22,
+ FIO_NET_CMD_NR = 23,
+
+ FIO_NET_CMD_F_MORE = 1UL << 0,
+
+ /* crc does not include the crc fields */
+ FIO_NET_CMD_CRC_SZ = sizeof(struct fio_net_cmd) -
+ 2 * sizeof(uint16_t),
+
+ FIO_NET_NAME_MAX = 256,
+
+ FIO_NET_CLIENT_TIMEOUT = 5000,
+
+ FIO_PROBE_FLAG_ZLIB = 1UL << 0,
+};
+
+struct cmd_sendfile {
+ uint8_t path[FIO_NET_NAME_MAX];
+};
+
+struct cmd_sendfile_reply {
+ uint32_t size;
+ uint32_t error;
+ uint8_t data[0];
+};
+
+/*
+ * Client sends this to server on VTRIGGER, server sends back a full
+ * all_io_list structure.
+ */
+struct cmd_vtrigger_pdu {
+ uint16_t len;
+ uint8_t cmd[];
+};
+
+struct cmd_load_file_pdu {
+ uint16_t name_len;
+ uint16_t client_type;
+ uint8_t file[];
+};
+
+struct cmd_ts_pdu {
+ struct thread_stat ts;
+ struct group_run_stats rs;
+};
+
+struct cmd_du_pdu {
+ struct disk_util_stat dus;
+ struct disk_util_agg agg;
+};
+
+struct cmd_client_probe_pdu {
+ uint64_t flags;
+ uint8_t server[128];
+};
+
+struct cmd_probe_reply_pdu {
+ uint8_t hostname[64];
+ uint8_t bigendian;
+ uint8_t fio_version[32];
+ uint8_t os;
+ uint8_t arch;
+ uint8_t bpp;
+ uint32_t cpus;
+ uint64_t flags;
+};
+
+struct cmd_single_line_pdu {
+ uint16_t len;
+ uint8_t text[];
+};
+
+struct cmd_line_pdu {
+ uint16_t lines;
+ uint16_t client_type;
+ struct cmd_single_line_pdu options[];
+};
+
+struct cmd_job_pdu {
+ uint32_t buf_len;
+ uint32_t client_type;
+ uint8_t buf[0];
+};
+
+struct cmd_start_pdu {
+ uint32_t jobs;
+ uint32_t stat_outputs;
+};
+
+struct cmd_end_pdu {
+ uint32_t error;
+ uint32_t signal;
+};
+
+struct cmd_add_job_pdu {
+ uint32_t thread_number;
+ uint32_t groupid;
+ struct thread_options_pack top;
+};
+
+struct cmd_text_pdu {
+ uint32_t level;
+ uint32_t buf_len;
+ uint64_t log_sec;
+ uint64_t log_usec;
+ uint8_t buf[0];
+};
+
+enum {
+ XMIT_COMPRESSED = 1U,
+ STORE_COMPRESSED = 2U,
+};
+
+struct cmd_iolog_pdu {
+ uint64_t nr_samples;
+ uint32_t thread_number;
+ uint32_t log_type;
+ uint32_t compressed;
+ uint32_t log_offset;
+ uint32_t log_hist_coarseness;
+ uint8_t name[FIO_NET_NAME_MAX];
+ struct io_sample samples[0];
+};
+
+struct cmd_job_option {
+ uint16_t global;
+ uint16_t truncated;
+ uint32_t groupid;
+ uint8_t name[64];
+ uint8_t value[128];
+};
+
+extern int fio_start_server(char *);
+extern int fio_server_text_output(int, const char *, size_t);
+extern int fio_net_send_cmd(int, uint16_t, const void *, off_t, uint64_t *, struct flist_head *);
+extern int fio_net_send_simple_cmd(int, uint16_t, uint64_t, struct flist_head *);
+extern void fio_server_set_arg(const char *);
+extern int fio_server_parse_string(const char *, char **, bool *, int *, struct in_addr *, struct in6_addr *, int *);
+extern int fio_server_parse_host(const char *, int, struct in_addr *, struct in6_addr *);
+extern const char *fio_server_op(unsigned int);
+extern void fio_server_got_signal(int);
+
+struct thread_stat;
+struct group_run_stats;
+extern void fio_server_send_ts(struct thread_stat *, struct group_run_stats *);
+extern void fio_server_send_gs(struct group_run_stats *);
+extern void fio_server_send_du(void);
+extern void fio_server_send_job_options(struct flist_head *, unsigned int);
+extern int fio_server_get_verify_state(const char *, int, void **);
+
+extern struct fio_net_cmd *fio_net_recv_cmd(int sk, bool wait);
+
+extern int fio_send_iolog(struct thread_data *, struct io_log *, const char *);
+extern void fio_server_send_add_job(struct thread_data *);
+extern void fio_server_send_start(struct thread_data *);
+extern int fio_net_send_quit(int sk);
+
+extern int fio_server_create_sk_key(void);
+extern void fio_server_destroy_sk_key(void);
+
extern int exit_backend;
+extern int fio_net_port;
#endif
projects / fio.git / blobdiff