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77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/*
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Mesh Streaming Protocol (MSP)
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Copyright (C) 2013-2014 Serval Project Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __SERVAL_DNA__MSP_CLIENT_H
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#define __SERVAL_DNA__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_RECEIVED_DATA (1<<1)
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#define MSP_STATE_RECEIVED_PACKET (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
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#define MSP_STATE_ERROR (1<<6)
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// is there space for sending more data?
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#define MSP_STATE_DATAOUT (1<<7)
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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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void msp_close_all(int mdp_sock);
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unsigned msp_socket_count();
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void msp_debug();
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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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// 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 //__SERVAL_DNA__MSP_CLIENT_H
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