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63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
#ifndef __SERVALD_MSP_CLIENT_H
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#define __SERVALD_MSP_CLIENT_H
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#define MSP_STATE_UNINITIALISED 0
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#define MSP_STATE_LISTENING (1<<0)
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#define MSP_STATE_CONNECTING (1<<1)
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#define MSP_STATE_CONNECTED (1<<2)
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#define MSP_STATE_SHUTDOWN_LOCAL (1<<3)
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#define MSP_STATE_SHUTDOWN_REMOTE (1<<4)
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// this connection is about to be free'd, release any other resources or references to the state
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#define MSP_STATE_CLOSED (1<<5)
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// something has gone wrong somewhere and the connection will be closed
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#define MSP_STATE_ERROR (1<<6)
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// does the client want to be interupted to reading data?
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#define MSP_STATE_POLLIN (1<<7)
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// does the client want to know when data can be written?
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#define MSP_STATE_POLLOUT (1<<8)
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// is there some data to read?
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#define MSP_STATE_DATAIN (1<<9)
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// is there space for sending more data?
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#define MSP_STATE_DATAOUT (1<<10)
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struct msp_sock;
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typedef uint16_t msp_state_t;
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// allocate a new socket
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struct msp_sock * msp_socket(int mdp_sock);
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void msp_close(struct msp_sock *sock);
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int msp_set_handler(struct msp_sock *sock,
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int (*handler)(struct msp_sock *sock, msp_state_t state, const uint8_t *payload, size_t len, void *context),
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void *context);
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// the local address is only set when calling msp_listen or msp_send
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int msp_set_local(struct msp_sock *sock, struct mdp_sockaddr local);
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int msp_set_remote(struct msp_sock *sock, struct mdp_sockaddr remote);
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int msp_listen(struct msp_sock *sock);
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int msp_get_remote_adr(struct msp_sock *sock, struct mdp_sockaddr *remote);
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msp_state_t msp_get_state(struct msp_sock *sock);
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// which events are you interested in handling?
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void msp_set_watch(struct msp_sock *sock, msp_state_t flags);
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// bind, send data, and potentially shutdown this end of the connection
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int msp_send(struct msp_sock *sock, const uint8_t *payload, size_t len);
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int msp_shutdown(struct msp_sock *sock);
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// receive and process an incoming packet
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int msp_recv(int mdp_sock);
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// next_action indicates the next time that msp_processing should be called
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int msp_processing(time_ms_t *next_action);
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#endif |