3 * $Id: sw_build.c,v 1.1 1999/06/02 16:53:34 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 1.1 1999/06/02 16:53:34 mdw
37 /*----- Header files ------------------------------------------------------*/
49 #include <sys/types.h>
51 #include <sys/select.h>
58 extern char **environ
;
61 #include <mLib/alloc.h>
62 #include <mLib/dstr.h>
64 #include <mLib/quis.h>
65 #include <mLib/report.h>
74 #define PRES_DEFAULT 0
75 #define PRES_PREFERENCE 0
76 #include "pres_plain.h"
77 #include "pres_curses.h"
79 /*----- Data structures ---------------------------------------------------*/
81 /*----- Static variables --------------------------------------------------*/
83 static pres
*preslist
= PRES_LINK
;
85 /*----- Main code ---------------------------------------------------------*/
87 /* --- @swbuild_archlist@ --- *
89 * Arguments: @swinfo *sw@ = pointer to the build information block
91 * Returns: A list of architectures which are to be built.
93 * Use: Decides which architectures need building, and returns them
97 archcons
*swbuild_archlist(swinfo
*sw
)
99 archcons
*a
= arch_readtab();
100 const char *only
= 0;
101 unsigned and = 0, xor = 0;
103 /* --- Restrict the architecture list appropriately --- */
105 only
= opt_arch ? opt_arch
: sw
->only_arch
;
107 /* --- Apply the built flags --- */
109 if (!(opt_flags
& optFlag_force
) && sw
->arch
) {
110 archcons
*aa
= arch_filter(a
, sw
->arch
, 0, 0);
112 for (c
= aa
; c
; c
= c
->cdr
)
113 c
->car
->flags
|= archFlag_built
;
115 and |= archFlag_built
;
118 return (arch_filter(a
, only
, and, xor));
121 /*----- Main build command ------------------------------------------------*/
123 /* --- @sw_run@ --- *
125 * Arguments: @int argc@ = number of command line arguments
126 * @char *argv[]@ = array of command line arguments
128 * Returns: Zero on success (all builds OK) or nonzero for failure.
130 * Use: Runs a multi-architecture build.
133 int sw_run(int argc
, char *argv
[])
137 pres
*p
= PRES_DEFAULT
;
143 /* --- Handle help on output styles --- */
145 if (opt_output
&& strcmp(opt_output
, "help") == 0) {
146 printf("Presentation styles supported:");
147 for (p
= preslist
; p
; p
= p
->next
)
148 printf(" %s", p
->name
);
150 printf("The default presentation style is %s\n", (PRES_DEFAULT
)->name
);
154 /* --- Validate arguments --- */
157 die(1, "Usage: run COMMAND [ARG...]");
159 /* --- Choose an output presentation style --- */
163 size_t sz
= strlen(opt_output
);
166 for (q
= preslist
; q
; q
= q
->next
) {
167 if (strncmp(opt_output
, q
->name
, sz
) == 0) {
168 if (q
->name
[sz
] == 0) {
172 die(1, "ambiguous output style `%s'", opt_output
);
179 die(1, "unknown output style `%s'", opt_output
);
182 if (p
->ok
&& !p
->ok()) {
183 moan("output style `%s' can't run; using `plain' instead", p
->name
);
187 /* --- Decide on an architecture --- */
189 if (swinfo_fetch(&sw
)) {
190 die(1, "couldn't read build status: %s (try running setup)",
194 a
= swbuild_archlist(&sw
);
197 moan("All desired architectures already built OK.");
198 moan("(Perhaps you forgot `--force', or want to say `%s reset'.)", QUIS
);
202 /* --- Tie on remote context blocks, and crank up the presentation --- */
207 for (aa
= a
; aa
; aa
= aa
->cdr
)
208 aa
->car
->r
= xmalloc(sizeof(sw_remote
));
209 if (p
->init
&& p
->init(a
))
210 die(1, "presentation style refused to start: %s", strerror(errno
));
213 signal(SIGINT
, SIG_IGN
);
214 signal(SIGQUIT
, SIG_IGN
);
216 /* --- Trap any exceptions coming this way --- *
218 * It's important, for example, that a curses-based presentation system
219 * reset the terminal flags appropriately.
223 /* --- Run remote build processes on the remote hosts --- */
229 for (aa
= a
; aa
; aa
= aa
->cdr
) {
230 archent
*e
= aa
->car
;
232 if (swrsh(r
, e
->flags
& archFlag_home ?
0 : e
->host
,
233 "build", argv
+ 1)) {
235 dstr_putf(&d
, "%s: couldn't start build for architecture `%s': %s",
236 QUIS
, e
->arch
, strerror(errno
));
237 p
->output(e
, d
.buf
, d
.len
);
251 /* --- Watch the builds until they do something interesting --- */
259 /* --- Find out what interesting things are happening --- */
261 memcpy(&f
, &fdin
, sizeof(f
));
262 n
= select(maxfd
, &f
, 0, 0, 0);
264 if (errno
== EINTR
|| errno
== EAGAIN
)
267 THROW(EXC_ERRNO
, errno
);
270 /* --- Scan through for jobs which need attention --- */
272 for (aa
= a
; aa
; aa
= aa
->cdr
) {
273 archent
*e
= aa
->car
;
277 if (!FD_ISSET(r
->fdin
, &f
))
280 switch (t
= pkrecv(r
)) {
283 p
->output(e
, r
->buf
, r
->sz
);
286 case PKTYPE_STATUS
: {
291 dstr_putf(&d
, "\nTerminated by signal: %s.\n", r
->buf
);
294 } else if (r
->buf
[0]) {
295 dstr_putf(&d
, "\nExited with status %u.\n",
296 (unsigned char)r
->buf
[0]);
299 } else if (opt_flags
& optFlag_install
)
300 e
->flags
|= archFlag_built
;
302 p
->output(e
, d
.buf
, d
.len
);
306 FD_CLR(r
->fdin
, &fdin
);
312 const static char msg
[] = "\nUnexpected exit.\n";
313 p
->output(e
, msg
, sizeof(msg
) - 1);
317 FD_CLR(r
->fdin
, &fdin
);
323 const static char msg
[] = "\n[Unexpected packet, type %i]\n";
324 p
->output(e
, msg
, sizeof(msg
) - 1);
331 /* --- Handle any exceptions coming this way --- *
333 * I could do more cleanup here (freeing buffers and so) but it's not worth
334 * it. Nobody's bothering to catch exceptions anyway.
342 die(1, "unexpected error: %s", exc_i
);
350 /* --- Tell the presentation that everything's done --- */
354 else if (opt_flags
& optFlag_beep
)
357 /* --- Clean up the unwanted remote contexts --- */
361 for (aa
= a
; aa
; aa
= aa
->cdr
)
365 /* --- Tidy away the architecture list --- */
369 /* --- Mark built architectures as having been completed now --- */
371 if (opt_flags
& optFlag_install
) {
375 arch_toText(&d
, arch_readtab(), archFlag_built
, archFlag_built
);
377 swinfo_update(&sw
, &skel
);
380 die(1, "error writing build status: %s", strerror(errno
));
385 /*----- Main remote entry point -------------------------------------------*/
389 * Arguments: @sw_remote *r@ = pointer to remote context
390 * @FILE *fp@ = log file handle
391 * @const char *fmt@ = format string
392 * @...@ = other arguments
396 * Use: Reports a string to the log file and the remote controller
400 static void putf(sw_remote
*r
, FILE *fp
, const char *fmt
, ...)
405 dstr_vputf(&d
, fmt
, ap
);
408 pksend(r
, PKTYPE_DATA
, d
.buf
, d
.len
);
410 fwrite(d
.buf
, 1, d
.len
, fp
);
414 /* --- @swrsh_build@ --- *
416 * Arguments: @sw_remote *r@ = pointer to remote context
417 * @char *argv[]@ = pointer to argument list
418 * @char *env[]@ = pointer to environment list
422 * Use: Runs a remote build command.
425 void swrsh_build(sw_remote
*r
, char *argv
[], char *env
[])
431 /* --- Validate arguments --- */
434 swdie(r
, 1, "Usage: build COMMAND [ARG...]");
436 /* --- Change into architecture directory --- */
438 if (mkdir(ARCH
, 0775) && errno
!= EEXIST
)
439 swdie(r
, 1, "mkdir(`%s') failed: %s", ARCH
, strerror(errno
));
441 swdie(r
, 1, "couldn't change directory to `%s': %s",
442 ARCH
, strerror(errno
));
445 swdie(r
, 1, "couldn't create pipe: %s", strerror(errno
));
447 /* --- Open the log file --- */
450 int logfd
= open(".build-log", O_WRONLY
| O_APPEND
| O_CREAT
, 0664);
457 swdie(r
, 1, "couldn't open `.build-log' file: %s", strerror(errno
));
458 if ((logfp
= fdopen(logfd
, "a")) == 0) {
459 swdie(r
, 1, "couldn't open stream on `.build-log' file: %s",
464 strftime(buf
, sizeof(buf
), "%Y-%m-%d %H:%M:%S", tm
);
465 fprintf(logfp
, "\n\n*** %s: started build: %s", buf
, argv
[0]);
466 for (p
= argv
+ 1; *p
; p
++)
467 fprintf(logfp
, " %s", *p
);
468 fputs("\n\n", logfp
);
471 /* --- Start off the child process --- */
482 nullfd
= open("/dev/null", O_RDONLY
);
488 execvp(argv
[0], argv
);
489 fprintf(stderr
, "failed to start `%s': %s\n", argv
[0], strerror(errno
));
493 /* --- Read from the pipe, and write to the socket and logfile --- */
497 ssize_t n
= read(fd
[0], r
->buf
, PKMAX
);
501 putf(r
, logfp
, "*** error reading from pipe: %s\n", strerror(errno
));
505 fwrite(r
->buf
, 1, n
, logfp
);
506 pksend(r
, PKTYPE_DATA
, r
->buf
, n
);
510 /* --- Reap exit status and produce final report --- */
514 if (waitpid(kid
, &status
, 0) < 0)
515 putf(r
, logfp
, "*** error reading exit status: %s\n", strerror(errno
));
517 if (WIFSIGNALED(status
))
518 fprintf(logfp
, "*** exited on signal %i\n", WTERMSIG(status
));
519 else if (WIFEXITED(status
))
520 fprintf(logfp
, "*** exited with status %i\n", WEXITSTATUS(status
));
522 fprintf(logfp
, "*** reaped, but didn't exit. Strange\n");
529 /*----- Syntactic sugar ---------------------------------------------------*/
532 * `Syntactic sugar causes cancer of the semicolon.'
533 * -- Alan Perlis, `Epigrams in Programming'
538 * Arguments: @char **u@ = first segment
539 * @char **v@ = second segment
541 * Returns: Return code from the build.
543 * Use: Combines two @argv@-style arrays and then runs a build on the
547 static int build(char **u
, char **v
)
552 for (i
= 0, p
= u
; *p
; p
++, i
++) ;
553 for (j
= 0, p
= v
; *p
; p
++, j
++) ;
554 p
= xmalloc((i
+ j
+ 2) * sizeof(char **));
555 memcpy(p
+ 1, u
, i
* sizeof(char **));
556 memcpy(p
+ i
+ 1, v
, j
* sizeof(char **));
557 p
[0] = p
[i
+ j
+ 1] = 0;
558 return (sw_run(i
+ j
+ 1, p
));
561 /* --- @sw_make@ --- */
563 int sw_make(int argc
, char *argv
[])
565 static char *mk
[] = { 0, 0 };
568 if ((m
= getenv("SW_MAKE")) == 0 &&
569 (m
= getenv("MAKE")) == 0)
573 return (build(mk
, argv
+ 1));
576 /* --- @sw_conf@ --- */
578 int sw_conf(int argc
, char *argv
[])
580 static char *cf
[] = { "../configure", "--prefix=" PREFIX
, 0 };
581 return (build(cf
, argv
+ 1));
584 /*----- Other subcommands -------------------------------------------------*/
586 /* --- @sw_reset@ --- */
588 int sw_reset(int argc
, char *argv
[])
592 die(1, "Usage: reset");
593 if (swinfo_fetch(&sw
)) {
594 die(1, "couldn't read build status: %s (try running setup)",
600 swinfo_update(&sw
, &skel
);
602 die(1, "couldn't write build status: %s", strerror(errno
));
606 /*----- That's all, folks -------------------------------------------------*/