X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=server.h;h=422bfbf2b571617aeda1af3da8ce2ba86be0eeba;hp=aed61b2c0b7cf509756ae9f0c29a859c6dc50f38;hb=122c772599f1b0a3148a5790775698d3fa92cc10;hpb=009b1be41b32bf7e32b441c6a22e3ae628ec9b89

diff --git a/server.h b/server.h
index aed61b2c..422bfbf2 100644
--- a/server.h
+++ b/server.h
@@ -1,7 +1,197 @@
 #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
+
+/*
+ * 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[0];	/* payload */
+};
+
+struct fio_net_int_cmd {
+	struct fio_net_cmd cmd;
+	struct flist_head list;
+	struct timeval tv;
+	uint64_t saved_tag;
+};
+
+enum {
+	FIO_SERVER_VER			= 14,
+
+	FIO_SERVER_MAX_FRAGMENT_PDU	= 1024,
+
+	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_NR			= 18,
+
+	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,
+};
+
+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_probe_pdu {
+	uint8_t hostname[64];
+	uint8_t bigendian;
+	uint8_t fio_major;
+	uint8_t fio_minor;
+	uint8_t fio_patch;
+	uint8_t os;
+	uint8_t arch;
+	uint8_t bpp;
+};
+
+struct cmd_single_line_pdu {
+	uint16_t len;
+	uint8_t text[0];
+};
+
+struct cmd_line_pdu {
+	uint16_t lines;
+	uint16_t client_type;
+	struct cmd_single_line_pdu options[0];
+};
+
+struct cmd_job_pdu {
+	uint32_t buf_len;
+	uint32_t client_type;
+	uint8_t buf[0];
+};
+
+struct cmd_start_pdu {
+	uint32_t jobs;
+};
+
+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];
+};
+
+struct cmd_iolog_pdu {
+	uint32_t thread_number;
+	uint32_t nr_samples;
+	uint32_t log_type;
+	uint8_t name[FIO_NET_NAME_MAX];
+	struct io_sample samples[0];
+};
+
+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);
+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 **, int *, 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 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 void fio_net_cmd_crc_pdu(struct fio_net_cmd *, const void *);
+extern struct fio_net_cmd *fio_net_recv_cmd(int sk);
+
+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_stop(int sk, int error, int signal);
+extern int fio_net_send_quit(int sk);
+
 extern int exit_backend;
+extern int fio_net_port;
+
+static inline void __fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
+				      uint32_t pdu_len, uint64_t tag)
+{
+	memset(cmd, 0, sizeof(*cmd));
+
+	cmd->version	= __cpu_to_le16(FIO_SERVER_VER);
+	cmd->opcode	= cpu_to_le16(opcode);
+	cmd->tag	= cpu_to_le64(tag);
+	cmd->pdu_len	= cpu_to_le32(pdu_len);
+}
+
+
+static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
+				    const void *pdu, uint32_t pdu_len,
+				    uint64_t tag)
+{
+	__fio_init_net_cmd(cmd, opcode, pdu_len, tag);
+
+	if (pdu)
+		memcpy(&cmd->payload, pdu, pdu_len);
+}
 
 #endif