c-libp2p/include/libp2p/net/p2pnet.h

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#ifndef P2PNET_H
#define P2PNET_H
#include <stdint.h>
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#include <unistd.h>
int socket_open4();
int socket_bind4(int s, uint32_t ip, uint16_t port);
int socket_bind4_reuse(int s, uint32_t ip, uint16_t port);
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int socket_read_select4(int socket_fd, int num_seconds);
int socket_accept4(int s, uint32_t *ip, uint16_t *port);
int socket_local4(int s, uint32_t *ip, uint16_t *port);
int socket_connect4(int s, uint32_t ip, uint16_t port);
int socket_listen(int s, uint32_t *localip, uint16_t *localport);
ssize_t socket_read(int s, char *buf, size_t len, int flags, int timeout_secs);
ssize_t socket_write(int s, const char *buf, size_t len, int flags);
/**
* Used to send the size of the next transmission for "framed" transmissions. NOTE: This will send in big endian format
* @param s the socket descriptor
* @param size the size to send
* @param flags socket flags
* @returns number of bytes sent
*/
ssize_t socket_write_size(int s, unsigned long size, int flags);
int socket_tcp4(void);
int socket_stream_sctp4(void);
int socket_udp4(void);
/**
* convert a hostname into an ip address
* @param hostname the name of the host. i.e. www.jmjatlanta.com
* @returns the ip address as an uint32_t
*/
uint32_t hostname_to_ip(const char* hostname);
#endif // P2PNET_H