9a3026042dacda4bf990eac9a6b6f77ae36cb3ae
3 * $Id: sw_build.c,v 1.5 2004/04/08 01:52:19 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 /*----- Header files ------------------------------------------------------*/
41 #include <sys/types.h>
43 #include <sys/select.h>
48 #include <sys/utsname.h>
51 extern char **environ
;
54 #include <mLib/alloc.h>
55 #include <mLib/dstr.h>
57 #include <mLib/quis.h>
58 #include <mLib/report.h>
67 #define PRES_DEFAULT 0
68 #define PRES_PREFERENCE 0
69 #include "pres_plain.h"
70 #include "pres_curses.h"
72 /*----- Data structures ---------------------------------------------------*/
74 /*----- Static variables --------------------------------------------------*/
76 static pres
*preslist
= PRES_LINK
;
78 /*----- Main code ---------------------------------------------------------*/
80 /* --- @swbuild_archlist@ --- *
82 * Arguments: @swinfo *sw@ = pointer to the build information block
84 * Returns: A list of architectures which are to be built.
86 * Use: Decides which architectures need building, and returns them
90 archcons
*swbuild_archlist(swinfo
*sw
)
92 archcons
*a
= arch_readtab();
94 unsigned and = 0, xor = 0;
96 /* --- Restrict the architecture list appropriately --- */
98 only
= opt_arch ? opt_arch
: sw
->only_arch
;
100 /* --- Apply the built flags --- */
102 if (!(opt_flags
& optFlag_force
) && sw
->arch
) {
103 archcons
*aa
= arch_filter(a
, sw
->arch
, 0, 0);
105 for (c
= aa
; c
; c
= c
->cdr
)
106 c
->car
->flags
|= archFlag_built
;
108 and |= archFlag_built
;
111 return (arch_filter(a
, only
, and, xor));
114 /*----- Main build command ------------------------------------------------*/
116 /* --- @sw_run@ --- *
118 * Arguments: @int argc@ = number of command line arguments
119 * @char *argv[]@ = array of command line arguments
121 * Returns: Zero on success (all builds OK) or nonzero for failure.
123 * Use: Runs a multi-architecture build.
126 int sw_run(int argc
, char *argv
[])
130 pres
*p
= PRES_DEFAULT
;
136 /* --- Handle help on output styles --- */
138 if (opt_output
&& strcmp(opt_output
, "help") == 0) {
139 printf("Presentation styles supported:");
140 for (p
= preslist
; p
; p
= p
->next
)
141 printf(" %s", p
->name
);
143 printf("The default presentation style is %s\n", (PRES_DEFAULT
)->name
);
147 /* --- Validate arguments --- */
150 die(1, "Usage: run COMMAND [ARG...]");
152 /* --- Choose an output presentation style --- */
156 size_t sz
= strlen(opt_output
);
159 for (q
= preslist
; q
; q
= q
->next
) {
160 if (strncmp(opt_output
, q
->name
, sz
) == 0) {
161 if (q
->name
[sz
] == 0) {
165 die(1, "ambiguous output style `%s'", opt_output
);
172 die(1, "unknown output style `%s'", opt_output
);
175 if (p
->ok
&& !p
->ok()) {
176 moan("output style `%s' can't run; using `plain' instead", p
->name
);
180 /* --- Decide on an architecture --- */
182 if (swinfo_fetch(&sw
)) {
183 die(1, "couldn't read build status: %s (try running setup)",
187 a
= swbuild_archlist(&sw
);
190 moan("All desired architectures already built OK.");
191 moan("(Perhaps you forgot `--force', or want to say `%s reset'.)", QUIS
);
195 /* --- Tie on remote context blocks, and crank up the presentation --- */
200 for (aa
= a
; aa
; aa
= aa
->cdr
)
201 aa
->car
->r
= xmalloc(sizeof(sw_remote
));
202 if (p
->init
&& p
->init(a
))
203 die(1, "presentation style refused to start: %s", strerror(errno
));
206 signal(SIGINT
, SIG_IGN
);
207 signal(SIGQUIT
, SIG_IGN
);
209 /* --- Trap any exceptions coming this way --- *
211 * It's important, for example, that a curses-based presentation system
212 * reset the terminal flags appropriately.
216 /* --- Run remote build processes on the remote hosts --- */
224 /* --- Fill in the hostname --- */
227 strcpy(u
.nodename
, "<unknown>");
229 /* --- If necessary, set up the output @argv@ array --- */
231 if (opt_flags
& optFlag_percent
)
232 av
= xmalloc(argc
* sizeof(char *));
236 /* --- Run through the target build hosts --- */
239 for (aa
= a
; aa
; aa
= aa
->cdr
) {
240 archent
*e
= aa
->car
;
243 /* --- If necessary, translate `%'-escapes --- */
245 if (opt_flags
& optFlag_percent
) {
248 for (pp
= argv
+ 1, qq
= av
; *pp
; pp
++, qq
++) {
249 if (strchr(*pp
, '%') == 0)
254 for (p
= *pp
; *p
; p
++) {
266 dstr_puts(&d
, e
->arch
);
269 dstr_puts(&d
, e
->flags
& archFlag_home ?
270 u
.nodename
: e
->host
);
273 dstr_puts(&d
, PREFIX
);
276 dstr_puts(&d
, sw
.package
);
279 dstr_puts(&d
, sw
.version
);
282 dstr_puts(&d
, sw
.maintainer
);
295 *qq
= xstrdup(d
.buf
);
302 /* --- Start a new process off --- */
304 if (swrsh(r
, e
->flags
& archFlag_home ?
0 : e
->host
,
307 dstr_putf(&d
, "%s: couldn't start build for architecture `%s': %s",
308 QUIS
, e
->arch
, strerror(errno
));
309 p
->output(e
, d
.buf
, d
.len
);
321 /* --- Free up the argument array --- */
323 if (opt_flags
& optFlag_percent
) {
326 for (pp
= argv
+ 1, qq
= av
; *pp
; pp
++, qq
++) {
333 if (opt_flags
& optFlag_percent
)
337 /* --- Watch the builds until they do something interesting --- */
345 /* --- Find out what interesting things are happening --- */
347 memcpy(&f
, &fdin
, sizeof(f
));
348 n
= select(maxfd
, &f
, 0, 0, 0);
350 if (errno
== EINTR
|| errno
== EAGAIN
)
353 THROW(EXC_ERRNO
, errno
);
356 /* --- Scan through for jobs which need attention --- */
358 for (aa
= a
; aa
; aa
= aa
->cdr
) {
359 archent
*e
= aa
->car
;
363 if (!FD_ISSET(r
->fdin
, &f
))
366 switch (t
= pkrecv(r
)) {
369 p
->output(e
, r
->buf
, r
->sz
);
372 case PKTYPE_STATUS
: {
377 dstr_putf(&d
, "failed (%s)", r
->buf
);
380 } else if (r
->buf
[0]) {
381 dstr_putf(&d
, "failed (status %u)", (unsigned char)r
->buf
[0]);
385 dstr_puts(&d
, "finished");
386 if (opt_flags
& optFlag_install
)
387 e
->flags
|= archFlag_built
;
390 p
->close(e
, ok
, d
.buf
);
392 FD_CLR(r
->fdin
, &fdin
);
399 p
->close(e
, 0, "unexpected exit");
401 FD_CLR(r
->fdin
, &fdin
);
407 const static char msg
[] = "\n[Unexpected packet, type %i]\n";
408 p
->output(e
, msg
, sizeof(msg
) - 1);
415 /* --- Handle any exceptions coming this way --- *
417 * I could do more cleanup here (freeing buffers and so) but it's not worth
418 * it. Nobody's bothering to catch exceptions anyway.
426 die(1, "unexpected error: %s", strerror(exc_i
));
434 /* --- Tell the presentation that everything's done --- */
438 else if (opt_flags
& optFlag_beep
)
441 /* --- Clean up the unwanted remote contexts --- */
445 for (aa
= a
; aa
; aa
= aa
->cdr
)
449 /* --- Tidy away the architecture list --- */
453 /* --- Mark built architectures as having been completed now --- */
455 if (opt_flags
& optFlag_install
) {
459 arch_toText(&d
, arch_readtab(), archFlag_built
, archFlag_built
);
461 swinfo_update(&sw
, &skel
);
464 die(1, "error writing build status: %s", strerror(errno
));
469 /*----- Main remote entry point -------------------------------------------*/
473 * Arguments: @sw_remote *r@ = pointer to remote context
474 * @FILE *fp@ = log file handle
475 * @const char *fmt@ = format string
476 * @...@ = other arguments
480 * Use: Reports a string to the log file and the remote controller
484 static void putf(sw_remote
*r
, FILE *fp
, const char *fmt
, ...)
489 dstr_vputf(&d
, fmt
, ap
);
492 pksend(r
, PKTYPE_DATA
, d
.buf
, d
.len
);
494 fwrite(d
.buf
, 1, d
.len
, fp
);
498 /* --- @swrsh_build@ --- *
500 * Arguments: @sw_remote *r@ = pointer to remote context
501 * @char *argv[]@ = pointer to argument list
502 * @char *env[]@ = pointer to environment list
506 * Use: Runs a remote build command.
509 void swrsh_build(sw_remote
*r
, char *argv
[], char *env
[])
515 /* --- Validate the arguments --- */
518 swdie(r
, 1, "Usage: build COMMAND [ARG...]");
520 /* --- Change into architecture directory --- */
522 if (mkdir(ARCH
, 0775) && errno
!= EEXIST
)
523 swdie(r
, 1, "mkdir(`%s') failed: %s", ARCH
, strerror(errno
));
525 swdie(r
, 1, "couldn't change directory to `%s': %s",
526 ARCH
, strerror(errno
));
529 swdie(r
, 1, "couldn't create pipe: %s", strerror(errno
));
531 /* --- Open the log file --- */
534 int logfd
= open(".build-log", O_WRONLY
| O_APPEND
| O_CREAT
, 0664);
542 swdie(r
, 1, "couldn't get hostname: %s", strerror(errno
));
544 swdie(r
, 1, "couldn't open `.build-log' file: %s", strerror(errno
));
545 if ((logfp
= fdopen(logfd
, "a")) == 0) {
546 swdie(r
, 1, "couldn't open stream on `.build-log' file: %s",
551 strftime(buf
, sizeof(buf
), "%Y-%m-%d %H:%M:%S", tm
);
552 fprintf(logfp
, "\n\n*** %s: %s started build: %s",
553 buf
, u
.nodename
, argv
[0]);
554 for (p
= argv
+ 1; *p
; p
++)
555 fprintf(logfp
, " %s", *p
);
556 fputs("\n\n", logfp
);
559 /* --- Start off the child process --- */
570 nullfd
= open("/dev/null", O_RDONLY
);
576 execvp(argv
[0], argv
);
577 fprintf(stderr
, "failed to start `%s': %s\n", argv
[0], strerror(errno
));
581 /* --- Read from the pipe, and write to the socket and logfile --- */
585 ssize_t n
= read(fd
[0], r
->buf
, PKMAX
);
589 putf(r
, logfp
, "\n*** error reading from pipe: %s\n", strerror(errno
));
593 fwrite(r
->buf
, 1, n
, logfp
);
594 pksend(r
, PKTYPE_DATA
, r
->buf
, n
);
598 /* --- Reap exit status and produce final report --- */
602 if (waitpid(kid
, &status
, 0) < 0) {
603 putf(r
, logfp
, "\n*** error reading exit status: %s\n",
606 if (WIFSIGNALED(status
))
607 fprintf(logfp
, "\n*** exited on signal %i\n", WTERMSIG(status
));
608 else if (WIFEXITED(status
))
609 fprintf(logfp
, "\n*** exited with status %i\n", WEXITSTATUS(status
));
611 fprintf(logfp
, "\n*** reaped, but didn't exit. Strange\n");
618 /*----- Syntactic sugar ---------------------------------------------------*/
621 * `Syntactic sugar causes cancer of the semicolon.'
622 * -- Alan Perlis, `Epigrams in Programming'
627 * Arguments: @char **u@ = first segment
628 * @char **v@ = second segment
630 * Returns: Return code from the build.
632 * Use: Combines two @argv@-style arrays and then runs a build on the
636 static int build(char **u
, char **v
)
641 for (i
= 0, p
= u
; *p
; p
++, i
++) ;
642 for (j
= 0, p
= v
; *p
; p
++, j
++) ;
643 p
= xmalloc((i
+ j
+ 2) * sizeof(char **));
644 memcpy(p
+ 1, u
, i
* sizeof(char **));
645 memcpy(p
+ i
+ 1, v
, j
* sizeof(char **));
646 p
[0] = p
[i
+ j
+ 1] = 0;
647 return (sw_run(i
+ j
+ 1, p
));
650 /* --- @sw_make@ --- */
652 int sw_make(int argc
, char *argv
[])
654 static char *mk
[] = { 0, 0 };
657 if ((m
= getenv("SW_MAKE")) == 0 &&
658 (m
= getenv("MAKE")) == 0)
662 return (build(mk
, argv
+ 1));
665 /* --- @sw_conf@ --- */
667 int sw_conf(int argc
, char *argv
[])
669 static char *cf
[] = { "../configure", "--prefix=" PREFIX
, 0 };
670 return (build(cf
, argv
+ 1));
673 /*----- Other subcommands -------------------------------------------------*/
675 /* --- @sw_reset@ --- */
677 int sw_reset(int argc
, char *argv
[])
681 die(1, "Usage: reset");
682 if (swinfo_fetch(&sw
)) {
683 die(1, "couldn't read build status: %s (try running setup)",
689 swinfo_update(&sw
, &skel
);
691 die(1, "couldn't write build status: %s", strerror(errno
));
695 /*----- That's all, folks -------------------------------------------------*/