server: idle loop support

[fio.git] / server.h

diff --git a/server.h b/server.h
index 10c9006e4339c1ec57a6f12eed5da26493ddc680..494c326ed252f20fc7004bd4abd96e9c25cf0fd8 100644 (file)
--- a/server.h
+++ b/server.h
@@ -34,11 +34,11 @@ enum {
        FIO_NET_CMD_QUIT        = 1,
        FIO_NET_CMD_EXIT        = 2,
        FIO_NET_CMD_JOB         = 3,
-       FIO_NET_CMD_ACK         = 4,
-       FIO_NET_CMD_NAK         = 5,
-       FIO_NET_CMD_TEXT        = 6,
-       FIO_NET_CMD_TS          = 7,
-       FIO_NET_CMD_GS          = 8,
+       FIO_NET_CMD_TEXT        = 4,
+       FIO_NET_CMD_TS          = 5,
+       FIO_NET_CMD_GS          = 6,
+       FIO_NET_CMD_ETA         = 7,
+       FIO_NET_CMD_PROBE       = 8,
 
        FIO_NET_CMD_F_MORE      = 1UL << 0,
 
@@ -52,15 +52,25 @@ struct cmd_ts_pdu {
        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;
+};
+
 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 *);
@@ -70,35 +80,60 @@ extern void fio_client_add(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);
+extern struct fio_net_cmd *fio_net_recv_cmd(int sk, int block);
 
 extern int exit_backend;
 extern int fio_net_port;
 
 #if __BYTE_ORDER == __LITTLE_ENDIAN
-#define le16_to_cpu(x)         (x)
-#define le32_to_cpu(x)         (x)
-#define le64_to_cpu(x)         (x)
-#define cpu_to_le16(x)         (x)
-#define cpu_to_le32(x)         (x)
-#define cpu_to_le64(x)         (x)
+#define __le16_to_cpu(x)               (x)
+#define __le32_to_cpu(x)               (x)
+#define __le64_to_cpu(x)               (x)
+#define __cpu_to_le16(x)               (x)
+#define __cpu_to_le32(x)               (x)
+#define __cpu_to_le64(x)               (x)
 #elif __BYTE_ORDER == __BIG_ENDIAN
-#define le16_to_cpu(x)         __bswap_16(x)
-#define le32_to_cpu(x)         __bswap_32(x)
-#define le64_to_cpu(x)         __bswap_64(x)
-#define cpu_to_le16(x)         __bswap_16(x)
-#define cpu_to_le32(x)         __bswap_32(x)
-#define cpu_to_le64(x)         __bswap_64(x)
+#define __le16_to_cpu(x)               __bswap_16(x)
+#define __le32_to_cpu(x)               __bswap_32(x)
+#define __le64_to_cpu(x)               __bswap_64(x)
+#define __cpu_to_le16(x)               __bswap_16(x)
+#define __cpu_to_le32(x)               __bswap_32(x)
+#define __cpu_to_le64(x)               __bswap_64(x)
 #else
 #error "Endianness not detected"
 #endif
 
+#define le16_to_cpu(val) ({                    \
+       uint16_t *__val = &(val);               \
+       __le16_to_cpu(*__val);                  \
+})
+#define le32_to_cpu(val) ({                    \
+       uint32_t *__val = &(val);               \
+       __le32_to_cpu(*__val);                  \
+})
+#define le64_to_cpu(val) ({                    \
+       uint64_t *__val = &(val);               \
+       __le64_to_cpu(*__val);                  \
+})
+#define cpu_to_le16(val) ({                    \
+       uint16_t *__val = &(val);               \
+       __cpu_to_le16(*__val);                  \
+})
+#define cpu_to_le32(val) ({                    \
+       uint32_t *__val = &(val);               \
+       __cpu_to_le32(*__val);                  \
+})
+#define cpu_to_le64(val) ({                    \
+       uint64_t *__val = &(val);               \
+       __cpu_to_le64(*__val);                  \
+})
+
 static inline void fio_init_net_cmd(struct fio_net_cmd *cmd, uint16_t opcode,
                                    const void *pdu, uint32_t pdu_len)
 {
        memset(cmd, 0, sizeof(*cmd));
 
-       cmd->version    = cpu_to_le16(FIO_SERVER_VER1);
+       cmd->version    = __cpu_to_le16(FIO_SERVER_VER1);
        cmd->opcode     = cpu_to_le16(opcode);
 
        if (pdu) {