X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=server.h;h=008cb25055c2673364fbfb45cfd77a3eaf5ac675;hb=e46d809110bd4ad2980ca64931b683673444454b;hp=51a84176c38c01f5485ff5cac533c8ffc1a3e92f;hpb=132159a5a062cabfe963b3d57e82a80741bf5506;p=fio.git

diff --git a/server.h b/server.h
index 51a84176..008cb250 100644
--- a/server.h
+++ b/server.h
@@ -2,6 +2,7 @@
 #define FIO_SERVER_H
 
 #include <inttypes.h>
+#include <string.h>
 #include <endian.h>
 
 /*
@@ -12,10 +13,9 @@ struct fio_net_cmd {
 	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 */
+	uint16_t cmd_crc16;	/* cmd checksum */
+	uint16_t pdu_crc16;	/* payload checksum */
 	uint8_t payload[0];	/* payload */
 };
 
@@ -23,23 +23,35 @@ enum {
 	FIO_SERVER_VER		= 1,
 	FIO_SERVER_VER1		= 1,
 
-	FIO_SERVER_MAX_PDU	= 4096,
+	FIO_SERVER_MAX_PDU	= 64,
 
 	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_ACK		= 3,
+	FIO_NET_CMD_NAK		= 4,
+	FIO_NET_CMD_TEXT	= 5,
+
+	FIO_NET_CMD_F_MORE	= 1,
+
+	/* crc does not include the crc fields */
+	FIO_NET_CMD_CRC_SZ	= sizeof(struct fio_net_cmd) -
+					2 * sizeof(uint16_t),
 };
 
-extern int fio_server(void);
+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 char *, off_t);
 
-extern int fio_client_connect(const char *);
-extern int fio_client_send_ini(const char *);
+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 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;
@@ -62,10 +74,18 @@ extern int fio_net_port;
 #error "Endianness not detected"
 #endif
 
-static inline void fio_init_net_cmd(struct fio_net_cmd *cmd)
+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) {
+		cmd->pdu_len	= cpu_to_le32(pdu_len);
+		memcpy(&cmd->payload, pdu, pdu_len);
+	}
 }
 
 #endif