mirror of https://github.com/schoebel/mars
94 lines
2.6 KiB
C
94 lines
2.6 KiB
C
// (c) 2011 Thomas Schoebel-Theuer / 1&1 Internet AG
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#ifndef MARS_NET_H
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#define MARS_NET_H
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#include <net/sock.h>
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#include <net/ipconfig.h>
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#include <net/tcp.h>
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#include "brick.h"
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#define MARS_DEFAULT_PORT 7777
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struct mars_socket; // opaque
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struct mars_tcp_params {
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int tcp_timeout;
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int window_size;
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int tcp_keepcnt;
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int tcp_keepintvl;
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int tcp_keepidle;
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char tos;
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};
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extern struct mars_tcp_params default_tcp_params;
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enum {
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CMD_NOP,
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CMD_STATUS,
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CMD_GETINFO,
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CMD_GETENTS,
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CMD_CONNECT,
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CMD_MREF,
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CMD_CB,
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};
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struct mars_cmd {
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struct timespec cmd_stamp; // for automatic lamport clock
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int cmd_code;
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int cmd_int1;
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//int cmd_int2;
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//int cmd_int3;
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char *cmd_str1;
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//char *cmd_str2;
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//char *cmd_str3;
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};
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extern const struct meta mars_cmd_meta[];
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extern char *(*mars_translate_hostname)(const char *name);
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/* Low-level network traffic
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*/
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extern int mars_create_sockaddr(struct sockaddr_storage *addr, const char *spec);
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extern struct mars_socket *mars_create_socket(struct sockaddr_storage *addr, bool is_server);
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extern struct mars_socket *mars_accept_socket(struct mars_socket *msock, bool do_block);
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extern struct mars_socket *mars_get_socket(struct mars_socket *msock);
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extern void mars_put_socket(struct mars_socket *msock);
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extern void mars_shutdown_socket(struct mars_socket *msock);
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extern bool mars_socket_is_alive(struct mars_socket *msock);
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extern int mars_send(struct mars_socket *msock, void *buf, int len);
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extern int mars_recv(struct mars_socket *msock, void *buf, int minlen, int maxlen);
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/* Mid-level generic field data exchange
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*/
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extern int mars_send_struct(struct mars_socket *msock, void *data, const struct meta *meta);
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#define mars_recv_struct(_sock_,_data_,_meta_) \
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({ \
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int seq = 0; \
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_mars_recv_struct(_sock_, _data_, _meta_, &seq, __LINE__); \
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})
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extern int _mars_recv_struct(struct mars_socket *msock, void *data, const struct meta *meta, int *seq, int line);
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/* High-level transport of mars structures
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*/
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extern int mars_send_dent_list(struct mars_socket *msock, struct list_head *anchor);
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extern int mars_recv_dent_list(struct mars_socket *msock, struct list_head *anchor);
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extern int mars_send_mref(struct mars_socket *msock, struct mref_object *mref);
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extern int mars_recv_mref(struct mars_socket *msock, struct mref_object *mref);
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extern int mars_send_cb(struct mars_socket *msock, struct mref_object *mref);
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extern int mars_recv_cb(struct mars_socket *msock, struct mref_object *mref);
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/////////////////////////////////////////////////////////////////////////
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// init
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extern int init_mars_net(void);
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extern void exit_mars_net(void);
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#endif
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