| #ifndef FIO_SERVER_H |
| #define FIO_SERVER_H |
| |
| #include <inttypes.h> |
| #include <endian.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 pad; |
| uint32_t pdu_len; /* length of post-cmd layload */ |
| uint32_t cmd_crc32; /* cmd checksum */ |
| uint32_t pdu_crc32; /* payload checksum */ |
| uint8_t payload[0]; /* payload */ |
| }; |
| |
| enum { |
| FIO_SERVER_VER = 1, |
| FIO_SERVER_VER1 = 1, |
| |
| FIO_SERVER_MAX_PDU = 4096, |
| |
| FIO_NET_CMD_QUIT = 1, |
| FIO_NET_CMD_JOB = 2, |
| FIO_NET_CMD_JOB_END = 3, |
| FIO_NET_CMD_ACK = 4, |
| FIO_NET_CMD_NAK = 5, |
| FIO_NET_CMD_TEXT = 6, |
| }; |
| |
| extern int fio_server(void); |
| extern void fio_server_text_output(const char *, unsigned int len); |
| |
| extern int fio_client_connect(const char *); |
| extern int fio_client_send_ini(const char *); |
| extern int fio_handle_clients(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 struct fio_net_cmd *fio_net_cmd_read(int sk); |
| |
| 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) |
| #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) |
| #else |
| #error "Endianness not detected" |
| #endif |
| |
| static inline void fio_init_net_cmd(struct fio_net_cmd *cmd) |
| { |
| memset(cmd, 0, sizeof(*cmd)); |
| cmd->version = cpu_to_le16(FIO_SERVER_VER1); |
| } |
| |
| #endif |