+#include <inttypes.h>
+#include <string.h>
+
+#include "stat.h"
+#include "os/os.h"
+
+/*
+ * 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 serial; /* serial number */
+ 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[0]; /* payload */
+};
+
+enum {
+ FIO_SERVER_VER = 1,
+ FIO_SERVER_VER1 = 1,
+
+ FIO_SERVER_MAX_PDU = 64,
+
+ 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_ETA = 8,
+ FIO_NET_CMD_PROBE = 9,
+ FIO_NET_CMD_START = 10,
+ FIO_NET_CMD_STOP = 11,
+
+ 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_CMD_JOBLINE_ARGV = 128,
+};
+
+struct cmd_ts_pdu {
+ struct thread_stat ts;
+ struct group_run_stats rs;
+};
+
+struct cmd_probe_pdu {
+ uint8_t hostname[64];
+ uint8_t fio_major;
+ uint8_t fio_minor;
+ uint8_t fio_patch;
+};
+
+struct cmd_line_pdu {
+ uint16_t argc;
+ uint8_t argv[FIO_NET_CMD_JOBLINE_ARGV][64];
+};
+
+extern int fio_start_server(int);
+extern int fio_server_text_output(const char *, unsigned int len);
+extern int fio_server_log(const char *format, ...);
+extern int fio_net_send_cmd(int, uint16_t, const void *, off_t);
+extern int fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t serial);
+
+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_status(void);
+extern void fio_server_idle_loop(void);
+
+extern int fio_clients_connect(void);
+extern int fio_clients_send_ini(const char *);
+extern int fio_handle_clients(void);
+extern void fio_client_add(const char *);
+extern void fio_client_add_cmd_option(const char *, const char *);
+
+extern int fio_recv_data(int sk, void *p, unsigned int len);
+extern int fio_send_data(int sk, const void *p, unsigned int len);
+extern void fio_net_cmd_crc(struct fio_net_cmd *);
+extern struct fio_net_cmd *fio_net_recv_cmd(int sk, int block);
+