int
main (int argc, char **argv)
{
static char base_grocery[] = "GRO";
static char base_hardware[] = "HRD";
struct item {
const char *i_title;
int i_sold;
int i_instock;
int i_onorder;
const char *i_sku_base;
int i_sku_num;
};
struct item list[] = {
{ "gum", 1412, 54, 10, base_grocery, 415 },
{ "rope", 85, 4, 2, base_hardware, 212 },
{ "ladder", 0, 2, 1, base_hardware, 517 },
{ "bolt", 4123, 144, 42, base_hardware, 632 },
{ "water", 17, 14, 2, base_grocery, 2331 },
{ NULL, 0, 0, 0, NULL, 0 }
};
struct item list2[] = {
{ "fish", 1321, 45, 1, base_grocery, 533 },
{ NULL, 0, 0, 0, NULL, 0 }
};
struct item *ip;
xo_info_t info[] = {
{ "in-stock", "number", "Number of items in stock" },
{ "name", "string", "Name of the item" },
{ "on-order", "number", "Number of items on order" },
{ "sku", "string", "Stock Keeping Unit" },
{ "sold", "number", "Number of items sold" },
{ NULL, NULL, NULL },
};
int info_count = (sizeof(info) / sizeof(info[0])) - 1;
argc = xo_parse_args(argc, argv);
if (argc < 0)
return 1;
for (argc = 1; argv[argc]; argc++) {
if (strcmp(argv[argc], "xml") == 0)
xo_set_style(NULL, XO_STYLE_XML);
else if (strcmp(argv[argc], "json") == 0)
xo_set_style(NULL, XO_STYLE_JSON);
else if (strcmp(argv[argc], "text") == 0)
xo_set_style(NULL, XO_STYLE_TEXT);
else if (strcmp(argv[argc], "html") == 0)
xo_set_style(NULL, XO_STYLE_HTML);
else if (strcmp(argv[argc], "pretty") == 0)
xo_set_flags(NULL, XOF_PRETTY);
else if (strcmp(argv[argc], "xpath") == 0)
xo_set_flags(NULL, XOF_XPATH);
else if (strcmp(argv[argc], "info") == 0)
xo_set_flags(NULL, XOF_INFO);
else if (strcmp(argv[argc], "error") == 0) {
close(-1);
xo_err(1, "error detected");
}
}
xo_set_info(NULL, info, info_count);
xo_set_flags(NULL, XOF_KEYS);
xo_open_container_h(NULL, "top");
xo_attr("test", "value");
xo_open_container("data");
xo_open_list("item");
xo_attr("test2", "value2");
xo_emit("{T:Item/%-10s}{T:Total Sold/%12s}{T:In Stock/%12s}"
"{T:On Order/%12s}{T:SKU/%5s}\n");
for (ip = list; ip->i_title; ip++) {
xo_open_instance("item");
xo_attr("test3", "value3");
xo_emit("{keq:sku/%s-%u/%s-000-%u}"
"{k:name/%-10s/%s}{n:sold/%12u/%u}{:in-stock/%12u/%u}"
"{:on-order/%12u/%u}{qkd:sku/%5s-000-%u/%s-000-%u}\n",
ip->i_sku_base, ip->i_sku_num,
ip->i_title, ip->i_sold, ip->i_instock, ip->i_onorder,
ip->i_sku_base, ip->i_sku_num);
xo_close_instance("item");
}
xo_close_list("item");
xo_close_container("data");
xo_emit("\n\n");
xo_open_container("data");
xo_open_list("item");
for (ip = list; ip->i_title; ip++) {
xo_open_instance("item");
xo_emit("{keq:sku/%s-%u/%s-000-%u}", ip->i_sku_base, ip->i_sku_num);
xo_emit("{L:Item} '{k:name/%s}':\n", ip->i_title);
xo_emit("{P: }{L:Total sold}: {n:sold/%u%s}\n",
ip->i_sold, ip->i_sold ? ".0" : "");
xo_emit("{P: }{Lcw:In stock}{:in-stock/%u}\n", ip->i_instock);
xo_emit("{P: }{Lcw:On order}{:on-order/%u}\n", ip->i_onorder);
xo_emit("{P: }{L:SKU}: {qkd:sku/%s-000-%u}\n",
ip->i_sku_base, ip->i_sku_num);
xo_close_instance("item");
}
xo_close_list("item");
xo_close_container("data");
xo_open_container("data");
xo_open_list("item");
for (ip = list2; ip->i_title; ip++) {
xo_open_instance("item");
xo_emit("{keq:sku/%s-%u/%s-000-%u}", ip->i_sku_base, ip->i_sku_num);
xo_emit("{L:Item} '{k:name/%s}':\n", ip->i_title);
xo_emit("{P: }{L:Total sold}: {n:sold/%u%s}\n",
ip->i_sold, ip->i_sold ? ".0" : "");
xo_emit("{P: }{Lcw:In stock}{:in-stock/%u}\n", ip->i_instock);
xo_emit("{P: }{Lcw:On order}{:on-order/%u}\n", ip->i_onorder);
xo_emit("{P: }{L:SKU}: {qkd:sku/%s-000-%u}\n",
ip->i_sku_base, ip->i_sku_num);
xo_close_instance("item");
}
xo_close_list("item");
xo_close_container("data");
xo_open_container("data");
xo_open_list("item");
for (ip = list; ip->i_title; ip++) {
xo_attr("test4", "value4");
xo_emit("{Lwc:Item}{l:item}\n", ip->i_title);
}
xo_close_list("item");
xo_close_container("data");
xo_emit("X{P:}X", "epic fail");
xo_emit("X{T:}X", "epic fail");
xo_emit("X{N:}X", "epic fail");
xo_emit("X{L:}X\n", "epic fail");
xo_emit("X{P: }X{Lwc:Cost}{:cost/%u}\n", 425);
xo_emit("X{P:/%30s}X{Lwc:Cost}{:cost/%u}\n", "", 455);
xo_close_container_h(NULL, "top");
xo_finish();
return 0;
}
int
main (int argc, char **argv)
{
argc = xo_parse_args(argc, argv);
if (argc < 0)
return 1;
for (argc = 1; argv[argc]; argc++) {
if (strcmp(argv[argc], "xml") == 0)
xo_set_style(NULL, XO_STYLE_XML);
else if (strcmp(argv[argc], "json") == 0)
xo_set_style(NULL, XO_STYLE_JSON);
else if (strcmp(argv[argc], "text") == 0)
xo_set_style(NULL, XO_STYLE_TEXT);
else if (strcmp(argv[argc], "html") == 0)
xo_set_style(NULL, XO_STYLE_HTML);
else if (strcmp(argv[argc], "pretty") == 0)
xo_set_flags(NULL, XOF_PRETTY);
else if (strcmp(argv[argc], "xpath") == 0)
xo_set_flags(NULL, XOF_XPATH);
else if (strcmp(argv[argc], "info") == 0)
xo_set_flags(NULL, XOF_INFO);
}
xo_set_flags(NULL, XOF_UNITS); /* Always test w/ this */
xo_open_container_h(NULL, "top");
xo_open_container("data");
xo_emit("We are {{emit}}{{ting}} some {:what}\n", "braces");
xo_message("abcdef");
close(-1);
xo_message_e("abcdef");
xo_message("improper use of profanity; %s; %s",
"ten yard penalty", "first down");
xo_emit("length {:length/%6.6s}\n", "abcdefghijklmnopqrstuvwxyz");
close(-1);
xo_emit("close {:fd/%d} returned {:error/%m} {:test}\n", -1, "good");
close(-1);
xo_emit("close {:fd/%d} returned {:error/%6.6m} {:test}\n", -1, "good");
xo_message("improper use of profanity; %s; %s",
"ten yard penalty", "first down");
xo_emit(" {:lines/%7ju} {:words/%7ju} "
"{:characters/%7ju} {d:filename/%s}\n",
20, 30, 40, "file");
int i;
for (i = 0; i < 5; i++)
xo_emit("{lw:bytes/%d}{Np:byte,bytes}\n", i);
xo_emit("{:mbuf-current/%u}/{:mbuf-cache/%u}/{:mbuf-total/%u} "
"{N:mbufs <&> in use (current\\/cache\\/total)}\n",
10, 20, 30);
xo_emit("{:distance/%u}{Uw:miles} from {:location}\n", 50, "Boston");
xo_emit("{:memory/%u}{U:k} left out of {:total/%u}{U:kb}\n", 64, 640);
xo_emit("{:memory/%u}{U:/%s} left out of {:total/%u}{U:/%s}\n",
64, "k", 640, "kilobytes");
xo_emit("{,title:/before%safter:}\n", "working");
xo_emit("{,display,white,colon:some/%s}"
"{,value:ten/%ju}{,value:eleven/%ju}\n",
"string", (uintmax_t) 10, (uintmax_t) 11);
xo_emit("{:unknown/%u} "
"{N:/packet%s here\\/there\\/everywhere}\n",
1010, "s");
xo_emit("{:unknown/%u} "
"{,note:/packet%s here\\/there\\/everywhere}\n",
1010, "s");
xo_emit("({[:/%d}{n:min/15}/{n:cur/20}/{:max/%d}{]:})\n", 30, 125);
xo_emit("({[:30}{:min/%u}/{:cur/%u}/{:max/%u}{]:})\n", 15, 20, 125);
xo_emit("({[:-30}{n:min/15}/{n:cur/20}/{n:max/125}{]:})\n");
xo_emit("({[:}{:min/%u}/{:cur/%u}/{:max/%u}{]:/%d})\n", 15, 20, 125, -30);
xo_emit("Humanize: {h:val1/%u}, {h,hn-space:val2/%u}, "
"{h,hn-decimal:val3/%u}, {h,hn-1000:val4/%u}, "
"{h,hn-decimal:val5/%u}\n",
21,
57 * 1024,
96 * 1024 * 1024,
(42 * 1024 + 420) * 1024,
1342172800);
xo_open_list("flag");
xo_emit("{lq:flag/one} {lq:flag/two} {lq:flag/three}\n");
xo_close_list("flag");
xo_emit("{n:works/%s}\n", NULL);
xo_emit("{e:empty-tag/}");
xo_emit("1:{qt:t1/%*d} 2:{qt:t2/test%-*u} "
"3:{qt:t3/%10sx} 4:{qt:t4/x%-*.*s}\n",
6, 1000, 8, 5000, "ten-long", 10, 10, "test");
xo_emit("{E:this is an error}\n");
xo_emit("{E:/%s more error%s}\n", "two", "s" );
xo_emit("{W:this is an warning}\n");
xo_emit("{W:/%s more warning%s}\n", "two", "s" );
xo_emit("{L:/V1\\/V2 packet%s}: {:count/%u}\n", "s", 10);
int test = 4;
xo_emit("{:test/%04d} {L:/tr%s}\n", test, (test == 1) ? "y" : "ies");
xo_message("improper use of profanity; %s; %s",
"ten yard penalty", "first down");
xo_error("Shut 'er down, Clancey! She's a-pumpin' mud! <>!,\"!<>\n");
xo_close_container("data");
xo_close_container_h(NULL, "top");
xo_finish();
return 0;
}
static void
DoFile(const char *savedir, const char *device)
{
xo_handle_t *xostdout, *xoinfo;
static char infoname[PATH_MAX], corename[PATH_MAX], linkname[PATH_MAX];
static char *buf = NULL, *temp = NULL;
struct kerneldumpheader kdhf, kdhl;
off_t mediasize, dumpsize, firsthd, lasthd;
FILE *info, *fp;
mode_t oumask;
int fd, fdinfo, error;
int bounds, status;
u_int sectorsize, xostyle;
int istextdump;
bounds = getbounds();
mediasize = 0;
status = STATUS_UNKNOWN;
xostdout = xo_create_to_file(stdout, XO_STYLE_TEXT, 0);
if (xostdout == NULL) {
syslog(LOG_ERR, "%s: %m", infoname);
return;
}
if (maxdumps > 0 && bounds == maxdumps)
bounds = 0;
if (buf == NULL) {
buf = malloc(BUFFERSIZE);
if (buf == NULL) {
syslog(LOG_ERR, "%m");
return;
}
}
if (verbose)
printf("checking for kernel dump on device %s\n", device);
fd = open(device, (checkfor || keep) ? O_RDONLY : O_RDWR);
if (fd < 0) {
syslog(LOG_ERR, "%s: %m", device);
return;
}
error = ioctl(fd, DIOCGMEDIASIZE, &mediasize);
if (!error)
error = ioctl(fd, DIOCGSECTORSIZE, §orsize);
if (error) {
syslog(LOG_ERR,
"couldn't find media and/or sector size of %s: %m", device);
goto closefd;
}
if (verbose) {
printf("mediasize = %lld\n", (long long)mediasize);
printf("sectorsize = %u\n", sectorsize);
}
if (sectorsize < sizeof(kdhl)) {
syslog(LOG_ERR,
"Sector size is less the kernel dump header %zu",
sizeof(kdhl));
goto closefd;
}
lasthd = mediasize - sectorsize;
if (temp == NULL) {
temp = malloc(sectorsize);
if (temp == NULL) {
syslog(LOG_ERR, "%m");
return;
}
}
if (lseek(fd, lasthd, SEEK_SET) != lasthd ||
read(fd, temp, sectorsize) != (ssize_t)sectorsize) {
syslog(LOG_ERR,
"error reading last dump header at offset %lld in %s: %m",
(long long)lasthd, device);
goto closefd;
}
memcpy(&kdhl, temp, sizeof(kdhl));
istextdump = 0;
if (strncmp(kdhl.magic, TEXTDUMPMAGIC, sizeof kdhl) == 0) {
if (verbose)
printf("textdump magic on last dump header on %s\n",
device);
istextdump = 1;
if (dtoh32(kdhl.version) != KERNELDUMP_TEXT_VERSION) {
syslog(LOG_ERR,
"unknown version (%d) in last dump header on %s",
dtoh32(kdhl.version), device);
status = STATUS_BAD;
if (force == 0)
goto closefd;
}
} else if (memcmp(kdhl.magic, KERNELDUMPMAGIC, sizeof kdhl.magic) ==
0) {
if (dtoh32(kdhl.version) != KERNELDUMPVERSION) {
syslog(LOG_ERR,
"unknown version (%d) in last dump header on %s",
dtoh32(kdhl.version), device);
status = STATUS_BAD;
if (force == 0)
goto closefd;
}
} else {
if (verbose)
printf("magic mismatch on last dump header on %s\n",
device);
status = STATUS_BAD;
if (force == 0)
goto closefd;
if (memcmp(kdhl.magic, KERNELDUMPMAGIC_CLEARED,
sizeof kdhl.magic) == 0) {
if (verbose)
printf("forcing magic on %s\n", device);
memcpy(kdhl.magic, KERNELDUMPMAGIC,
sizeof kdhl.magic);
} else {
syslog(LOG_ERR, "unable to force dump - bad magic");
goto closefd;
}
if (dtoh32(kdhl.version) != KERNELDUMPVERSION) {
syslog(LOG_ERR,
"unknown version (%d) in last dump header on %s",
dtoh32(kdhl.version), device);
status = STATUS_BAD;
if (force == 0)
goto closefd;
}
}
nfound++;
if (clear)
goto nuke;
if (kerneldump_parity(&kdhl)) {
syslog(LOG_ERR,
"parity error on last dump header on %s", device);
nerr++;
status = STATUS_BAD;
if (force == 0)
goto closefd;
}
dumpsize = dtoh64(kdhl.dumplength);
firsthd = lasthd - dumpsize - sectorsize;
if (lseek(fd, firsthd, SEEK_SET) != firsthd ||
read(fd, temp, sectorsize) != (ssize_t)sectorsize) {
syslog(LOG_ERR,
"error reading first dump header at offset %lld in %s: %m",
(long long)firsthd, device);
nerr++;
goto closefd;
}
memcpy(&kdhf, temp, sizeof(kdhf));
if (verbose >= 2) {
printf("First dump headers:\n");
printheader(xostdout, &kdhf, device, bounds, -1);
printf("\nLast dump headers:\n");
printheader(xostdout, &kdhl, device, bounds, -1);
printf("\n");
}
if (memcmp(&kdhl, &kdhf, sizeof(kdhl))) {
syslog(LOG_ERR,
"first and last dump headers disagree on %s", device);
nerr++;
status = STATUS_BAD;
if (force == 0)
goto closefd;
} else {
status = STATUS_GOOD;
}
if (checkfor) {
printf("A dump exists on %s\n", device);
close(fd);
exit(0);
}
if (kdhl.panicstring[0] != '\0')
syslog(LOG_ALERT, "reboot after panic: %*s",
(int)sizeof(kdhl.panicstring), kdhl.panicstring);
else
syslog(LOG_ALERT, "reboot");
if (verbose)
printf("Checking for available free space\n");
if (!check_space(savedir, dumpsize, bounds)) {
nerr++;
goto closefd;
}
writebounds(bounds + 1);
saved_dump_remove(bounds);
snprintf(infoname, sizeof(infoname), "info.%d", bounds);
/*
* Create or overwrite any existing dump header files.
*/
fdinfo = open(infoname, O_WRONLY | O_CREAT | O_TRUNC, 0600);
if (fdinfo < 0) {
syslog(LOG_ERR, "%s: %m", infoname);
nerr++;
goto closefd;
}
oumask = umask(S_IRWXG|S_IRWXO); /* Restrict access to the core file.*/
if (compress) {
snprintf(corename, sizeof(corename), "%s.%d.gz",
istextdump ? "textdump.tar" : "vmcore", bounds);
fp = zopen(corename, "w");
} else {
snprintf(corename, sizeof(corename), "%s.%d",
istextdump ? "textdump.tar" : "vmcore", bounds);
fp = fopen(corename, "w");
}
if (fp == NULL) {
syslog(LOG_ERR, "%s: %m", corename);
close(fdinfo);
nerr++;
goto closefd;
}
(void)umask(oumask);
info = fdopen(fdinfo, "w");
if (info == NULL) {
syslog(LOG_ERR, "fdopen failed: %m");
nerr++;
goto closeall;
}
xostyle = xo_get_style(NULL);
xoinfo = xo_create_to_file(info, xostyle, 0);
if (xoinfo == NULL) {
syslog(LOG_ERR, "%s: %m", infoname);
nerr++;
goto closeall;
}
xo_open_container_h(xoinfo, "crashdump");
if (verbose)
printheader(xostdout, &kdhl, device, bounds, status);
printheader(xoinfo, &kdhl, device, bounds, status);
xo_close_container_h(xoinfo, "crashdump");
xo_flush_h(xoinfo);
xo_finish_h(xoinfo);
fclose(info);
syslog(LOG_NOTICE, "writing %score to %s/%s",
compress ? "compressed " : "", savedir, corename);
if (istextdump) {
if (DoTextdumpFile(fd, dumpsize, lasthd, buf, device,
corename, fp) < 0)
goto closeall;
} else {
if (DoRegularFile(fd, dumpsize, buf, device, corename, fp)
< 0)
goto closeall;
}
if (verbose)
printf("\n");
if (fclose(fp) < 0) {
syslog(LOG_ERR, "error on %s: %m", corename);
nerr++;
goto closefd;
}
symlinks_remove();
if (symlink(infoname, "info.last") == -1) {
syslog(LOG_WARNING, "unable to create symlink %s/%s: %m",
savedir, "info.last");
}
if (compress) {
snprintf(linkname, sizeof(linkname), "%s.last.gz",
istextdump ? "textdump.tar" : "vmcore");
} else {
snprintf(linkname, sizeof(linkname), "%s.last",
istextdump ? "textdump.tar" : "vmcore");
}
if (symlink(corename, linkname) == -1) {
syslog(LOG_WARNING, "unable to create symlink %s/%s: %m",
savedir, linkname);
}
nsaved++;
if (verbose)
printf("dump saved\n");
nuke:
if (!keep) {
if (verbose)
printf("clearing dump header\n");
memcpy(kdhl.magic, KERNELDUMPMAGIC_CLEARED, sizeof(kdhl.magic));
memcpy(temp, &kdhl, sizeof(kdhl));
if (lseek(fd, lasthd, SEEK_SET) != lasthd ||
write(fd, temp, sectorsize) != (ssize_t)sectorsize)
syslog(LOG_ERR,
"error while clearing the dump header: %m");
}
xo_close_container_h(xostdout, "crashdump");
xo_finish_h(xostdout);
close(fd);
return;
closeall:
fclose(fp);
closefd:
close(fd);
}
