Subversion Repositories planix.SVN

#include <u.h>
#include <libc.h>
#include <plumb.h>

char *plumbfile = nil;
Plumbmsg m;

void
usage(void)
{
        fprint(2, "usage:  plumb [-p plumbfile] [-a 'attr=value ...'] [-s src] [-d dst] [-t type] [-w wdir] -i | data1\n");
        exits("usage");
}

void
gather(void)
{
        char buf[8192];
        int n;

        m.ndata = 0;
        m.data = nil;
        while((n = read(0, buf, sizeof buf)) > 0){
                m.data = realloc(m.data, m.ndata+n);
                if(m.data == nil){
                        fprint(2, "plumb: alloc failed: %r\n");
                        exits("alloc");
                }
                memmove(m.data+m.ndata, buf, n);
                m.ndata += n;
        }
        if(n < 0){
                fprint(2, "plumb: i/o error on input: %r\n");
                exits("read");
        }
}

void
main(int argc, char *argv[])
{
        char buf[1024], *p;
        int fd, i, input;

        input = 0;
        m.src = "plumb";
        m.dst = nil;
        m.wdir = getwd(buf, sizeof buf);
        m.type = "text";
        m.attr = nil;
        ARGBEGIN{
        case 'a':
                p = ARGF();
                if(p == nil)
                        usage();
                m.attr = plumbaddattr(m.attr, plumbunpackattr(p));
                break;
        case 'd':
                m.dst = ARGF();
                if(m.dst == nil)
                        usage();
                break;
        case 'i':
                input++;
                break;
        case 't':
        case 'k':       /* for backwards compatibility */
                m.type = ARGF();
                if(m.type == nil)
                        usage();
                break;
        case 'p':
                plumbfile = ARGF();
                if(plumbfile == nil)
                        usage();
                break;
        case 's':
                m.src = ARGF();
                if(m.src == nil)
                        usage();
                break;
        case 'w':
                m.wdir = ARGF();
                if(m.wdir == nil)
                        usage();
                break;
        }ARGEND

        if((input && argc>0) || (!input && argc<1))
                usage();
        if(plumbfile != nil)
                fd = open(plumbfile, OWRITE);
        else
                fd = plumbopen("send", OWRITE);
        if(fd < 0){
                fprint(2, "plumb: can't open plumb file: %r\n");
                exits("open");
        }
        if(input){
                gather();
                if(plumblookup(m.attr, "action") == nil)
                        m.attr = plumbaddattr(m.attr, plumbunpackattr("action=showdata"));
                if(plumbsend(fd, &m) < 0){
                        fprint(2, "plumb: can't send message: %r\n");
                        exits("error");
                }
                exits(nil);
        }
        for(i=0; i<argc; i++){
                if(input == 0){
                        m.data = argv[i];
                        m.ndata = -1;
                }
                if(plumbsend(fd, &m) < 0){
                        fprint(2, "plumb: can't send message: %r\n");
                        exits("error");
                }
        }
        exits(nil);
}