3 * $Id: sw_build.c,v 1.2 1999/07/16 12:50:24 mdw Exp $
5 * Management of build processes
10 /*----- Licensing notice --------------------------------------------------*
12 * This file is part of sw-tools.
14 * sw-tools is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * sw-tools is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with sw-tools; if not, write to the Free Software Foundation,
26 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 /*----- Revision history --------------------------------------------------*
31 * $Log: sw_build.c,v $
32 * Revision 1.2 1999/07/16 12:50:24 mdw
33 * Improve exit status display. New interface from `doto' project.
35 * Revision 1.1.1.1 1999/06/02 16:53:34 mdw
40 /*----- Header files ------------------------------------------------------*/
52 #include <sys/types.h>
54 #include <sys/select.h>
61 extern char **environ
;
64 #include <mLib/alloc.h>
65 #include <mLib/dstr.h>
67 #include <mLib/quis.h>
68 #include <mLib/report.h>
77 #define PRES_DEFAULT 0
78 #define PRES_PREFERENCE 0
79 #include "pres_plain.h"
80 #include "pres_curses.h"
82 /*----- Data structures ---------------------------------------------------*/
84 /*----- Static variables --------------------------------------------------*/
86 static pres
*preslist
= PRES_LINK
;
88 /*----- Main code ---------------------------------------------------------*/
90 /* --- @swbuild_archlist@ --- *
92 * Arguments: @swinfo *sw@ = pointer to the build information block
94 * Returns: A list of architectures which are to be built.
96 * Use: Decides which architectures need building, and returns them
100 archcons
*swbuild_archlist(swinfo
*sw
)
102 archcons
*a
= arch_readtab();
103 const char *only
= 0;
104 unsigned and = 0, xor = 0;
106 /* --- Restrict the architecture list appropriately --- */
108 only
= opt_arch ? opt_arch
: sw
->only_arch
;
110 /* --- Apply the built flags --- */
112 if (!(opt_flags
& optFlag_force
) && sw
->arch
) {
113 archcons
*aa
= arch_filter(a
, sw
->arch
, 0, 0);
115 for (c
= aa
; c
; c
= c
->cdr
)
116 c
->car
->flags
|= archFlag_built
;
118 and |= archFlag_built
;
121 return (arch_filter(a
, only
, and, xor));
124 /*----- Main build command ------------------------------------------------*/
126 /* --- @sw_run@ --- *
128 * Arguments: @int argc@ = number of command line arguments
129 * @char *argv[]@ = array of command line arguments
131 * Returns: Zero on success (all builds OK) or nonzero for failure.
133 * Use: Runs a multi-architecture build.
136 int sw_run(int argc
, char *argv
[])
140 pres
*p
= PRES_DEFAULT
;
146 /* --- Handle help on output styles --- */
148 if (opt_output
&& strcmp(opt_output
, "help") == 0) {
149 printf("Presentation styles supported:");
150 for (p
= preslist
; p
; p
= p
->next
)
151 printf(" %s", p
->name
);
153 printf("The default presentation style is %s\n", (PRES_DEFAULT
)->name
);
157 /* --- Validate arguments --- */
160 die(1, "Usage: run COMMAND [ARG...]");
162 /* --- Choose an output presentation style --- */
166 size_t sz
= strlen(opt_output
);
169 for (q
= preslist
; q
; q
= q
->next
) {
170 if (strncmp(opt_output
, q
->name
, sz
) == 0) {
171 if (q
->name
[sz
] == 0) {
175 die(1, "ambiguous output style `%s'", opt_output
);
182 die(1, "unknown output style `%s'", opt_output
);
185 if (p
->ok
&& !p
->ok()) {
186 moan("output style `%s' can't run; using `plain' instead", p
->name
);
190 /* --- Decide on an architecture --- */
192 if (swinfo_fetch(&sw
)) {
193 die(1, "couldn't read build status: %s (try running setup)",
197 a
= swbuild_archlist(&sw
);
200 moan("All desired architectures already built OK.");
201 moan("(Perhaps you forgot `--force', or want to say `%s reset'.)", QUIS
);
205 /* --- Tie on remote context blocks, and crank up the presentation --- */
210 for (aa
= a
; aa
; aa
= aa
->cdr
)
211 aa
->car
->r
= xmalloc(sizeof(sw_remote
));
212 if (p
->init
&& p
->init(a
))
213 die(1, "presentation style refused to start: %s", strerror(errno
));
216 signal(SIGINT
, SIG_IGN
);
217 signal(SIGQUIT
, SIG_IGN
);
219 /* --- Trap any exceptions coming this way --- *
221 * It's important, for example, that a curses-based presentation system
222 * reset the terminal flags appropriately.
226 /* --- Run remote build processes on the remote hosts --- */
232 for (aa
= a
; aa
; aa
= aa
->cdr
) {
233 archent
*e
= aa
->car
;
235 if (swrsh(r
, e
->flags
& archFlag_home ?
0 : e
->host
,
236 "build", argv
+ 1)) {
238 dstr_putf(&d
, "%s: couldn't start build for architecture `%s': %s",
239 QUIS
, e
->arch
, strerror(errno
));
240 p
->output(e
, d
.buf
, d
.len
);
254 /* --- Watch the builds until they do something interesting --- */
262 /* --- Find out what interesting things are happening --- */
264 memcpy(&f
, &fdin
, sizeof(f
));
265 n
= select(maxfd
, &f
, 0, 0, 0);
267 if (errno
== EINTR
|| errno
== EAGAIN
)
270 THROW(EXC_ERRNO
, errno
);
273 /* --- Scan through for jobs which need attention --- */
275 for (aa
= a
; aa
; aa
= aa
->cdr
) {
276 archent
*e
= aa
->car
;
280 if (!FD_ISSET(r
->fdin
, &f
))
283 switch (t
= pkrecv(r
)) {
286 p
->output(e
, r
->buf
, r
->sz
);
289 case PKTYPE_STATUS
: {
294 dstr_putf(&d
, "failed (%s)", r
->buf
);
297 } else if (r
->buf
[0]) {
298 dstr_putf(&d
, "failed (status %u)", (unsigned char)r
->buf
[0]);
302 dstr_puts(&d
, "finished");
303 if (opt_flags
& optFlag_install
)
304 e
->flags
|= archFlag_built
;
307 p
->close(e
, ok
, d
.buf
);
309 FD_CLR(r
->fdin
, &fdin
);
316 p
->close(e
, 0, "unexpected exit");
318 FD_CLR(r
->fdin
, &fdin
);
324 const static char msg
[] = "\n[Unexpected packet, type %i]\n";
325 p
->output(e
, msg
, sizeof(msg
) - 1);
332 /* --- Handle any exceptions coming this way --- *
334 * I could do more cleanup here (freeing buffers and so) but it's not worth
335 * it. Nobody's bothering to catch exceptions anyway.
343 die(1, "unexpected error: %s", strerror(exc_i
));
351 /* --- Tell the presentation that everything's done --- */
355 else if (opt_flags
& optFlag_beep
)
358 /* --- Clean up the unwanted remote contexts --- */
362 for (aa
= a
; aa
; aa
= aa
->cdr
)
366 /* --- Tidy away the architecture list --- */
370 /* --- Mark built architectures as having been completed now --- */
372 if (opt_flags
& optFlag_install
) {
376 arch_toText(&d
, arch_readtab(), archFlag_built
, archFlag_built
);
378 swinfo_update(&sw
, &skel
);
381 die(1, "error writing build status: %s", strerror(errno
));
386 /*----- Main remote entry point -------------------------------------------*/
390 * Arguments: @sw_remote *r@ = pointer to remote context
391 * @FILE *fp@ = log file handle
392 * @const char *fmt@ = format string
393 * @...@ = other arguments
397 * Use: Reports a string to the log file and the remote controller
401 static void putf(sw_remote
*r
, FILE *fp
, const char *fmt
, ...)
406 dstr_vputf(&d
, fmt
, ap
);
409 pksend(r
, PKTYPE_DATA
, d
.buf
, d
.len
);
411 fwrite(d
.buf
, 1, d
.len
, fp
);
415 /* --- @swrsh_build@ --- *
417 * Arguments: @sw_remote *r@ = pointer to remote context
418 * @char *argv[]@ = pointer to argument list
419 * @char *env[]@ = pointer to environment list
423 * Use: Runs a remote build command.
426 void swrsh_build(sw_remote
*r
, char *argv
[], char *env
[])
432 /* --- Validate arguments --- */
435 swdie(r
, 1, "Usage: build COMMAND [ARG...]");
437 /* --- Change into architecture directory --- */
439 if (mkdir(ARCH
, 0775) && errno
!= EEXIST
)
440 swdie(r
, 1, "mkdir(`%s') failed: %s", ARCH
, strerror(errno
));
442 swdie(r
, 1, "couldn't change directory to `%s': %s",
443 ARCH
, strerror(errno
));
446 swdie(r
, 1, "couldn't create pipe: %s", strerror(errno
));
448 /* --- Open the log file --- */
451 int logfd
= open(".build-log", O_WRONLY
| O_APPEND
| O_CREAT
, 0664);
458 swdie(r
, 1, "couldn't open `.build-log' file: %s", strerror(errno
));
459 if ((logfp
= fdopen(logfd
, "a")) == 0) {
460 swdie(r
, 1, "couldn't open stream on `.build-log' file: %s",
465 strftime(buf
, sizeof(buf
), "%Y-%m-%d %H:%M:%S", tm
);
466 fprintf(logfp
, "\n\n*** %s: started build: %s", buf
, argv
[0]);
467 for (p
= argv
+ 1; *p
; p
++)
468 fprintf(logfp
, " %s", *p
);
469 fputs("\n\n", logfp
);
472 /* --- Start off the child process --- */
483 nullfd
= open("/dev/null", O_RDONLY
);
489 execvp(argv
[0], argv
);
490 fprintf(stderr
, "failed to start `%s': %s\n", argv
[0], strerror(errno
));
494 /* --- Read from the pipe, and write to the socket and logfile --- */
498 ssize_t n
= read(fd
[0], r
->buf
, PKMAX
);
502 putf(r
, logfp
, "*** error reading from pipe: %s\n", strerror(errno
));
506 fwrite(r
->buf
, 1, n
, logfp
);
507 pksend(r
, PKTYPE_DATA
, r
->buf
, n
);
511 /* --- Reap exit status and produce final report --- */
515 if (waitpid(kid
, &status
, 0) < 0)
516 putf(r
, logfp
, "*** error reading exit status: %s\n", strerror(errno
));
518 if (WIFSIGNALED(status
))
519 fprintf(logfp
, "*** exited on signal %i\n", WTERMSIG(status
));
520 else if (WIFEXITED(status
))
521 fprintf(logfp
, "*** exited with status %i\n", WEXITSTATUS(status
));
523 fprintf(logfp
, "*** reaped, but didn't exit. Strange\n");
530 /*----- Syntactic sugar ---------------------------------------------------*/
533 * `Syntactic sugar causes cancer of the semicolon.'
534 * -- Alan Perlis, `Epigrams in Programming'
539 * Arguments: @char **u@ = first segment
540 * @char **v@ = second segment
542 * Returns: Return code from the build.
544 * Use: Combines two @argv@-style arrays and then runs a build on the
548 static int build(char **u
, char **v
)
553 for (i
= 0, p
= u
; *p
; p
++, i
++) ;
554 for (j
= 0, p
= v
; *p
; p
++, j
++) ;
555 p
= xmalloc((i
+ j
+ 2) * sizeof(char **));
556 memcpy(p
+ 1, u
, i
* sizeof(char **));
557 memcpy(p
+ i
+ 1, v
, j
* sizeof(char **));
558 p
[0] = p
[i
+ j
+ 1] = 0;
559 return (sw_run(i
+ j
+ 1, p
));
562 /* --- @sw_make@ --- */
564 int sw_make(int argc
, char *argv
[])
566 static char *mk
[] = { 0, 0 };
569 if ((m
= getenv("SW_MAKE")) == 0 &&
570 (m
= getenv("MAKE")) == 0)
574 return (build(mk
, argv
+ 1));
577 /* --- @sw_conf@ --- */
579 int sw_conf(int argc
, char *argv
[])
581 static char *cf
[] = { "../configure", "--prefix=" PREFIX
, 0 };
582 return (build(cf
, argv
+ 1));
585 /*----- Other subcommands -------------------------------------------------*/
587 /* --- @sw_reset@ --- */
589 int sw_reset(int argc
, char *argv
[])
593 die(1, "Usage: reset");
594 if (swinfo_fetch(&sw
)) {
595 die(1, "couldn't read build status: %s (try running setup)",
601 swinfo_update(&sw
, &skel
);
603 die(1, "couldn't write build status: %s", strerror(errno
));
607 /*----- That's all, folks -------------------------------------------------*/