extern int server_socket;

enum

{

    CMD_LEN=500,

    LINE_LEN=500

};

enum msg_types

{

    KILL_SERVER,

    NEWJOB,

    NEWJOB_OK,

    RUNJOB,

    RUNJOB_OK,

    ENDJOB,

    LIST,

    LIST_LINE,

    CLEAR_FINISHED,

    ASK_OUTPUT,

    ANSWER_OUTPUT,

    REMOVEJOB,

    REMOVEJOB_OK,

    WAITJOB,

    WAITJOB_OK,

    URGENT,

    URGENT_OK,

    GET_STATE,

    ANSWER_STATE,

    SWAP_JOBS,

    SWAP_JOBS_OK

};

enum Jobstate

{

    QUEUED,

    RUNNING,

    FINISHED

};

struct msg

{

    enum msg_types type;

    union

    {

        struct {

            int command_size;

            int store_output;

            int should_keep_finished;

        } newjob;

        struct {

            int ofilename_size;

            int store_output;

            int pid;

        } output;

        int jobid;

        int errorlevel;

        int line_size;

        enum Jobstate state;

        struct {

            int jobid1;

            int jobid2;

        } swap;

    } u;

};

/* msg.c */

void send_bytes(const int fd, const char *data, const int bytes);

int recv_bytes(const int fd, char *data, const int bytes);

void send_msg(const int fd, const struct msg *m);

int recv_msg(const int fd, struct msg *m);

/* jobs.c */

const char * jstate2string(enum Jobstate s);

/* msgdump.c */

void msgdump(const struct msg *m);