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The first commit of the new UDP Connection methods and

Browse source 
the rewrite of the retroshare core networking stack.

This check-in commits the changes to the TCPonUCP code.

This library has been significantly modified to support
multiple UDP "connections" from a single port.
This requires some trickery and a listener thread.
Code to "STUN" peers was also added.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@305 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
drbob 2008-01-25 06:11:39 +00:00
parent b0f31a1340
commit de0ce110b9
14 changed files with 1610 additions and 658 deletions
Download patch file Download diff file Expand all files Collapse all files

63
libretroshare/src/tcponudp/tou.h
View file

@ -51,6 +51,47 @@
extern "C" {
#endif
/* The modification to a single UDP socket means
* that the structure of the TOU interface must be changed.
*
* Init:
* (1) choose our local address. (a universal bind)
* int tou_init(const struct sockaddr *my_addr);
* (2) query if we have determined our external address.
* int tou_extaddr(struct sockaddr *ext_addr, socklen_t *addrlen);
* (3) offer more stunpeers, for external address determination.
* int tou_stunpeer(const struct sockaddr *ext_addr, socklen_t addrlen, const char *id);
* (4) repeat (2)+(3) until a valid extaddr is returned.
*
*/
int tou_init(const struct sockaddr *my_addr, socklen_t addrlen);
int tou_extaddr(struct sockaddr *ext_addr, socklen_t *addrlen);
int tou_stunpeer(const struct sockaddr *ext_addr, socklen_t addrlen, const char *id);
/* Connections are as similar to UNIX as possible
* (1) create a socket: tou_socket() this reserves a socket id.
* (2) connect: active: tou_connect() or passive: tou_listenfor().
* (3) use as a normal socket.
*
* tou_bind() is not valid. tou_init performs this role.
* tou_listen() is not valid. (must listen for a specific address) use tou_listenfor() instead.
* tou_accept() can still be used.
*/
/* creation/connections */
int tou_socket(int domain, int type, int protocol);
int tou_bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen); /* null op now */
int tou_listen(int sockfd, int backlog); /* null op now */
int tou_connect(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen);
int tou_accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
/* non-standard bonuses */
int tou_connected(int sockfd);
int tou_listenfor(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen);
/* UNIX interface: minimum for the SSL BIO interface */
ssize_t tou_read(int sockfd, void *buf, size_t count);
ssize_t tou_write(int sockfd, const void *buf, size_t count);
@ -65,28 +106,6 @@ int tou_maxread(int sockfd);
int tou_maxwrite(int sockfd);
/* creation/connections */
int tou_socket(int domain, int type, int protocol);
int tou_bind(int sockfd, const struct sockaddr *my_addr, socklen_t addrlen);
int tou_connect(int sockfd, const struct sockaddr *serv_addr, socklen_t addrlen);
int tou_listen(int sockfd, int backlog);
int tou_accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
/* udp interface */
/* request an external udp port to use - returns sockfd */
int tou_extudp(const struct sockaddr *ext, socklen_t tolen);
int tou_extaddr(int sockfd, const struct sockaddr *to, socklen_t tolen);
ssize_t tou_recvfrom(int sockfd, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen);
ssize_t tou_sendto(int s, const void *buf, size_t len, int flags, const struct
sockaddr *to, socklen_t tolen);
/* non-standard bonuses */
int tou_connected(int sockfd);
int tou_listenfor(int sockfd, const struct sockaddr *serv_addr,
socklen_t addrlen);
#ifdef __cplusplus
}
#endif