tplumb.c - plan9port - [fork] Plan 9 from user space
HTML git clone git://src.adamsgaard.dk/plan9port
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
tplumb.c (2236B)
---
1 #include <u.h>
2 #include <libc.h>
3 #include <plumb.h>
4 #include <thread.h>
5 #include <9pclient.h>
6
7 char *plumbfile = nil;
8 Plumbmsg m;
9
10 void
11 usage(void)
12 {
13 fprint(2, "usage: plumb [-p plumbfile] [-a 'attr=value ...'] [-s src] [-d dst] [-t type] [-w wdir] -i | data1\n");
14 threadexitsall("usage");
15 }
16
17 void
18 gather(void)
19 {
20 char buf[8192];
21 int n;
22
23 m.ndata = 0;
24 m.data = nil;
25 while((n = read(0, buf, sizeof buf)) > 0){
26 m.data = realloc(m.data, m.ndata+n);
27 if(m.data == nil){
28 fprint(2, "plumb: alloc failed: %r\n");
29 threadexitsall("alloc");
30 }
31 memmove(m.data+m.ndata, buf, n);
32 m.ndata += n;
33 }
34 if(n < 0){
35 fprint(2, "plumb: i/o error on input: %r\n");
36 threadexitsall("read");
37 }
38 }
39
40 void
41 threadmain(int argc, char *argv[])
42 {
43 char buf[1024], *p;
44 int fd, i, input;
45
46 input = 0;
47 m.src = "plumb";
48 m.dst = nil;
49 m.wdir = getwd(buf, sizeof buf);
50 m.type = "text";
51 m.attr = nil;
52 ARGBEGIN{
53 case '9':
54 chatty9pclient = 1;
55 break;
56 case 'a':
57 p = ARGF();
58 if(p == nil)
59 usage();
60 m.attr = plumbaddattr(m.attr, plumbunpackattr(p));
61 break;
62 case 'd':
63 m.dst = ARGF();
64 if(m.dst == nil)
65 usage();
66 break;
67 case 'i':
68 input++;
69 break;
70 case 't':
71 case 'k': /* for backwards compatibility */
72 m.type = ARGF();
73 if(m.type == nil)
74 usage();
75 break;
76 case 'p':
77 plumbfile = ARGF();
78 if(plumbfile == nil)
79 usage();
80 break;
81 case 's':
82 m.src = ARGF();
83 if(m.src == nil)
84 usage();
85 break;
86 case 'w':
87 m.wdir = ARGF();
88 if(m.wdir == nil)
89 usage();
90 break;
91 }ARGEND
92
93 if((input && argc>0) || (!input && argc<1))
94 usage();
95 if(plumbfile != nil)
96 fd = open(plumbfile, OWRITE);
97 else
98 fd = plumbopen("send", OWRITE);
99 if(fd < 0){
100 fprint(2, "plumb: can't open plumb file: %r\n");
101 threadexitsall("open");
102 }
103 if(input){
104 gather();
105 if(plumblookup(m.attr, "action") == nil)
106 m.attr = plumbaddattr(m.attr, plumbunpackattr("action=showdata"));
107 if(plumbsend(fd, &m) < 0){
108 fprint(2, "plumb: can't send message: %r\n");
109 threadexitsall("error");
110 }
111 threadexitsall(nil);
112 }
113 for(i=0; i<argc; i++){
114 if(input == 0){
115 m.data = argv[i];
116 m.ndata = -1;
117 }
118 if(plumbsend(fd, &m) < 0){
119 fprint(2, "plumb: can't send message: %r\n");
120 threadexitsall("error");
121 }
122 }
123 threadexitsall(nil);
124 }