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sys/src/libventi: implement vtreconn and vtredial functions

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This commit is contained in:
David du Colombier 2019-09-06 11:54:44 -07:00
parent 8cbe3772c4
commit 63ae9ed53a
4 changed files with 48 additions and 0 deletions
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2
sys/include/venti.h
View file

@ -334,7 +334,9 @@ struct VtConn
};
VtConn* vtconn(int infd, int outfd);
int vtreconn(VtConn*, int, int);
VtConn* vtdial(char*);
int vtredial(VtConn*, char*);
void vtfreeconn(VtConn*);
int vtsend(VtConn*, Packet*);
Packet* vtrecv(VtConn*);

6
sys/man/2/venti-conn
View file

@ -28,9 +28,15 @@ typedef struct VtConn {
VtConn* vtconn(int infd, int outfd)
.PP
.B
int vtreconn(VtConn *z, int infd, int outfd)
.PP
.B
VtConn* vtdial(char *addr)
.PP
.B
int vtredial(VtConn *z, char *addr)
.PP
.B
int vtversion(VtConn *z)
.PP
.B

22
sys/src/libventi/conn.c
View file

@ -27,6 +27,28 @@ vtconn(int infd, int outfd)
return z;
}
int
vtreconn(VtConn *z, int infd, int outfd)
{
NetConnInfo *nci;
z->state = VtStateAlloc;
if(z->infd >= 0)
close(z->infd);
z->infd = infd;
if(z->outfd >= 0)
close(z->outfd);
z->outfd = outfd;
nci = getnetconninfo(nil, infd);
if(nci == nil)
snprint(z->addr, sizeof z->addr, "/dev/fd/%d", infd);
else{
strecpy(z->addr, z->addr+sizeof z->addr, nci->raddr);
freenetconninfo(nci);
}
return 0;
}
void
vtfreeconn(VtConn *z)
{

18
sys/src/libventi/dial.c
View file

@ -23,3 +23,21 @@ vtdial(char *addr)
strecpy(z->addr, z->addr+sizeof z->addr, na);
return z;
}
int
vtredial(VtConn *z, char *addr)
{
char *na;
int fd;
if(addr == nil)
addr = getenv("venti");
if(addr == nil)
addr = "$venti";
na = netmkaddr(addr, "tcp", "venti");
if((fd = dial(na, nil, nil, nil)) < 0)
return fd;
return vtreconn(z, fd, fd);
}