void boot_unstripped(char *setup,char *kernel,IMAGE_DESCR *descr)
{
struct exec exec;
int fd,sectors;
if (verbose) printf("Unstripped: setup %s, kernel %s\n",setup,kernel);
(void) geo_open(&geo,setup,O_RDONLY);
map_begin_section();
map_add(&geo,0,SETUPSECS);
geo_close(&geo);
fd = geo_open(&geo,kernel,O_RDONLY);
if (read(fd,(char *) &exec,sizeof(struct exec)) != sizeof(struct exec))
die("read %s: %s",kernel,strerror(errno));
if (exec.a_entry || exec.a_trsize || exec.a_drsize || !exec.a_syms)
die("Not an unstripped kernel: %s",kernel);
map_add(&geo,2,(exec.a_text+exec.a_data+SECTOR_SIZE-1)/SECTOR_SIZE);
if ((exec.a_text+exec.a_data) & 15)
fprintf(stderr,"Warning: Unsupported BSS - no initialization.\n");
else {
if (verbose > 2)
printf("BSS: 0x%X+%d\n",exec.a_text+exec.a_data+DEF_SYSSEG,
exec.a_bss);
descr->bss_seg = ((exec.a_text+exec.a_data) >> 4)+DEF_SYSSEG;
descr->bss_segs = exec.a_bss >> 16;
descr->bss_words = ((exec.a_bss & 0xffff)+1) >> 1;
}
geo_close(&geo);
sectors = map_end_section(&descr->start);
if (verbose > 1)
printf("Mapped %d sector%s.\n",sectors,sectors == 1 ? "" : "s");
}
void _map_test()
{
int a = 5, b = 12, c = 12345, d = 54321;
int *aa, *bb, *cc, *dd, *ff;
int repeat = 1;
char *e = "Immanuel Kant",
*ee;
struct _map *map = map_new();
assert(map != NULL);
map_add(map, "rest not", &a);
map_add(map, "life is sweeping by", &b);
map_add(map, "go and do before you die", &c);
map_add(map, "something mighty and sublime", &d);
map_add(map, "leave behind to conquer time", e);
_repeat:
aa = map_get(map, "rest not");
if (repeat)
assert(*aa == 5);
else
assert(aa == NULL);
bb = map_get(map, "life is sweeping by");
if (repeat)
assert(*bb == 12);
else
assert(bb == NULL);
cc = map_get(map, "go and do before you die");
if (repeat)
assert(*cc == 12345);
else
assert(cc == NULL);
dd = map_get(map, "something mighty and sublime");
if (repeat)
assert(*dd == 54321);
else
assert(dd == NULL);
ee = map_get(map, "leave behind to conquer time");
if (repeat)
assert(ee == e);
else
assert(ee == NULL);
ff = map_get(map, "this is a nonexistent key");
assert(ff == NULL);
if (repeat) {
repeat = 0;
map_clear(map);
goto _repeat;
}
fprintf(stdout, "%s: all tests passed\n", __func__);
map_free(map);
}
int main ()
{
//these work fine - functions given by Allen
Hashable *hashable1 = make_hashable_int (1);
Hashable *hashable2 = make_hashable_string ("Allen");
Hashable *hashable3 = make_hashable_int (2);
// make_int_value also given
Value *value1 = make_int_value (17);
//failing here!
Node *node1 = make_node(hashable1, value1, NULL);
fprintf(stdout, "Print node:\n");
print_node (node1);
Value *value2 = make_string_value ("Downey");
Node *list = prepend(hashable2, value2, node1);
fprintf(stdout, "Print list:\n");
print_list (list);
// run some test lookups
Value *value = list_lookup (list, hashable1);
fprintf(stdout, "List lookup:\n");
print_lookup(value);
fprintf(stdout, "List lookup:\n");
value = list_lookup (list, hashable2);
print_lookup(value);
fprintf(stdout, "List lookup:\n");
value = list_lookup (list, hashable3);
print_lookup(value);
// make a map
Map *map = make_map(10);
map_add(map, hashable1, value1);
map_add(map, hashable2, value2);
printf ("Map\n");
print_map(map);
// run some test lookups
value = map_lookup(map, hashable1);
print_lookup(value);
value = map_lookup(map, hashable2);
print_lookup(value);
value = map_lookup(map, hashable3);
print_lookup(value);
return 0;
}
main()
{
content_add("c");
content_print();
content_add("a");
content_print();
Content *f= content_add("b");
map_add(&(f->bhead),2,4);
map_add(&(f->bhead),7,5);
map_add(&(f->bhead),3,2);
content_print();
content_add("d");
content_print();
}
void boot_device(char *spec,char *range,IMAGE_DESCR *descr)
{
char *here;
int start,secs;
int sectors;
if (verbose) printf("Boot device: %s, range %s\n",spec,range);
(void) geo_open(&geo,spec,O_NOACCESS);
map_begin_section();
if (here = strchr(range,'-')) {
*here++ = 0;
start = to_number(range);
if ((secs = to_number(here)-start+1) < 0) die("Invalid range");
}
else {
if (here = strchr(range,'+')) {
*here++ = 0;
start = to_number(range);
secs = to_number(here);
}
else {
start = to_number(range);
secs = 1;
}
}
map_add(&geo,start,secs);
sectors = map_end_section(&descr->start);
geo_close(&geo);
if (verbose > 1)
printf("Mapped %d sector%s.\n",sectors,sectors == 1 ? "" : "s");
}
/* remember a file block using next available cache block */
int remember_fblock(const char *name, int fblock, const char *block) {
Content *f;
Map *b;
int cblock;
if (strlen(name)>255) {
flog("name %s too long",name);
return FALSE;
}
if (!block) {
flog("can't read from NULL pointer");
return FALSE;
}
f = content_add(name);
if ((b=content_fblock_stored(f,fblock))) {
cblock=b->cblock;
flog("reused old cache block %d",cblock);
} else {
cblock=next_cblock();
flog("chose new cache block %d",cblock);
}
storage_put(cblock, (const char *)block);
map_add(&(f->bhead),fblock,cblock);
flog("stored block %d of %s (cblock %d)",fblock,name,cblock);
return TRUE;
}
/**
* Add non-existing key into the multimap.
*
* @tmap multimap.
* @key key
* @newcell prepared inserted value.
*
* @return 0 in success,
* -ENOMEM if no memory.
* -EEXIST if key already exists.
*/
static int multimap_add_newkey(
struct multimap *tmap, u64 key,
struct tree_cell *newcell, gfp_t gfp_mask)
{
int ret;
struct tree_cell_head *newhead;
/* Allocate and initialize new tree cell head. */
newhead = alloc_cell_head(tmap->mmgr, gfp_mask);
if (!newhead) {
LOGe("memory allocation failed.\n");
return -ENOMEM;
}
newhead->key = key;
INIT_HLIST_HEAD(&newhead->head);
hlist_add_head(&newcell->list, &newhead->head);
ASSERT(!hlist_empty(&newhead->head));
/* Add to the map. */
ret = map_add((struct map *)tmap, key, (unsigned long)newhead, gfp_mask);
if (ret != 0) {
free_cell_head(tmap->mmgr, newhead);
LOGe("map_add failed.\n");
ASSERT(ret != -EINVAL);
}
return ret;
}
void add_int_variable(_map *mem, char *_name, int _value) {
_variable *var = (_variable *)malloc(sizeof(_variable)
+ (strlen(_name) + 1) * sizeof(char));
// variable length name
if (var) {
var->int_value = _value;
var->type = INT;
var->is_constant = false;
strcpy(var->name, _name);
void **p_old_var;
_variable *old_var;
if ((p_old_var = map_get(mem, _name)) && (old_var = (_variable *)*p_old_var)) {
free(var);
error = VAR_REDEFINE;
return;
}
map_add(mem, _name, var);
}
else {
error = MALLOC_ERROR;
}
return;
}
/* map a file block to a specific cache block */
int remember_fblock_at_cblock(const char *name, int fblock, int cblock, const char *block) {
Content *f, *g;
if (strlen(name)>255) {
flog("name %s too long",name);
return FALSE;
}
if (cblock<0 || cblock>=storage_blocks) {
flog("cache block %d does not exist",cblock);
return FALSE;
}
f = content_add(name);
if ((g=clist_cblock_used(cblock))) {
Map *b=content_cblock_used(g,cblock);
flog("cache block %d in use for (%s %d) (removing)",cblock,g->name,b->fblock);
content_forget_cblock(g,cblock);
}
Map *b;
if ((b=content_fblock_stored(f,fblock))) {
flog("file block %d already stored for file %s (local %d) (removing)",fblock,f->name,b->cblock);
storage_forget(b->cblock);
content_forget_fblock(f,fblock);
}
storage_put(cblock, (const char *)block);
map_add(&(f->bhead),fblock,cblock);
flog("stored block %d of %s (cblock %d)",fblock,name,cblock);
return TRUE;
}
map_t *
map_alloc(off_t start, off_t size)
{
off_t delta;
map_t *m;
if (start == 0 && size != 0)
size = ROUNDUP(size);
for (m = mediamap; m != NULL; m = m->map_next) {
if (m->map_type != MAP_TYPE_UNUSED || m->map_start < 2)
continue;
if (start != 0 && m->map_start > start)
return (NULL);
delta = (start != 0) ? start - m->map_start : ROUNDUP(m->map_start) - m->map_start;
if (size == 0 || m->map_size - delta >= size) {
if (m->map_size - delta <= 0)
continue;
if (size == 0) {
size = m->map_size - delta;
if (start == 0)
size = ROUNDDOWN(size);
}
return (map_add(m->map_start + delta, size,
MAP_TYPE_GPT_PART, NULL));
}
}
return (NULL);
}
void map_read(struct map_ent **melp)
{
FILE *f;
char buf[8192];
char path[201];
int uuid[4];
char devnm[32];
char metadata[30];
*melp = NULL;
f = open_map(MAP_READ);
if (!f) {
RebuildMap();
f = open_map(MAP_READ);
}
if (!f)
return;
while (fgets(buf, sizeof(buf), f)) {
path[0] = 0;
if (sscanf(buf, " %s %s %x:%x:%x:%x %200s",
devnm, metadata, uuid, uuid+1,
uuid+2, uuid+3, path) >= 7) {
map_add(melp, devnm, metadata, uuid, path);
}
}
fclose(f);
}
int map_update(struct map_ent **mpp, char *devnm, char *metadata,
int *uuid, char *path)
{
struct map_ent *map, *mp;
int rv;
if (mpp && *mpp)
map = *mpp;
else
map_read(&map);
for (mp = map ; mp ; mp=mp->next)
if (strcmp(mp->devnm, devnm) == 0) {
strcpy(mp->metadata, metadata);
memcpy(mp->uuid, uuid, 16);
free(mp->path);
mp->path = path ? xstrdup(path) : NULL;
mp->bad = 0;
break;
}
if (!mp)
map_add(&map, devnm, metadata, uuid, path);
if (mpp)
*mpp = NULL;
rv = map_write(map);
map_free(map);
return rv;
}
static obj_ptr _map_add(obj_ptr arg1, obj_ptr arg2, obj_ptr arg3, obj_ptr env)
{
if (NMAPP(arg1))
return MKERROR(MKSTRING("Expected a map in map-add"), arg1);
map_add(&MAP(arg1), arg2, arg3);
return NIL;
}
int main ()
{
Hashable *hashable1 = make_hashable_int (1);
Hashable *hashable2 = make_hashable_string ("Allen");
Hashable *hashable3 = make_hashable_int (2);
// make a list by hand
Value *value1 = make_int_value (17);
Node *node1 = make_node(hashable1, value1, NULL);
print_node (node1);
Value *value2 = make_string_value ("Downey");
Node *list = prepend(hashable2, value2, node1);
print_list (list);
// run some test lookups
Value *value = list_lookup (list, hashable1);
print_lookup(value);
value = list_lookup (list, hashable2);
print_lookup(value);
value = list_lookup (list, hashable3);
print_lookup(value);
// make a map
Map *map = make_map(10);
map_add(map, hashable1, value1);
map_add(map, hashable2, value2);
printf ("Map\n");
print_map(map);
// run some test lookups
value = map_lookup(map, hashable1);
print_lookup(value);
value = map_lookup(map, hashable2);
print_lookup(value);
value = map_lookup(map, hashable3);
print_lookup(value);
return 0;
}
int global_add_reconnect(int id, on_reconnect_cb * cb, void * client, void * addition){
struct reconnect * rc = (struct reconnect *)malloc(sizeof(struct reconnect));
if(!rc)return -1;
rc->cb = cb;
rc->client = client;
rc->addition = addition;
if(map_add(self.rcmq, id, rc) < 0){
free(rc);
return -1;
}
return 0;
}
Status
event_init (Server *server)
{
Event *event = &server->event;
int rc = 0;
event->reusable_base = NULL;
event->base_alloc = false;
debug ("event map init");
event_map = string_map_new (EventKey, node, key);
if (!event_map)
return G_ERR;
size_t i = sizeof (event_keys) / sizeof (EventKey);
while (i--)
if (map_add (event_map, &event_keys[i], event_keys[i].key_size)
!= MAP_OK)
goto error;
debug ("json parser init");
event->json = json_parser_new ();
if (!event->json)
goto error;
debug ("udp init");
rc = uv_udp_init (server->loop, (uv_udp_t *) event);
if (rc < 0)
goto error;
/* Init sockaddr used for UDP. TODO: should parse either a multiaddr or
* "ip:port" string ("[ip]:port" for ipv6). */
debug ("udp host init: %s:%d", server->host_ip, server->host_port);
struct sockaddr_storage host;
rc = uv_ip4_addr (server->host_ip, server->host_port,
(struct sockaddr_in *) &host);
if (rc < 0)
goto error;
debug ("udp bind: %s:%d", server->host_ip, server->host_port);
rc = uv_udp_bind ((uv_udp_t *) event, (const struct sockaddr *) &host,
UV_UDP_REUSEADDR);
if (rc < 0)
goto error;
return G_OK;
error:
if (rc)
debug ("error: %s", uv_strerror (rc));
return G_ERR;
}
static void storage_file(t_map **addr, int fd, off_t size, char *file_name)
{
char map[size + 1];
int ret;
int tmp;
ft_bzero((char *)map, (size + 1));
ret = 0;
while (((tmp = read(fd, (map + ret), size - ret)) < size) && tmp != (-1))
ret += tmp;
((tmp == (-1)) ? error_call_system("read") : 0);
map_add(addr, map, file_name);
}
void registerCLI(char *key, void (*handler)(),
char *shelp, char *usage, char *lhelp)
{
cli_entry_t *clie = (cli_entry_t *) malloc(sizeof(cli_entry_t));
clie->handler = handler;
strcpy(clie->long_helpstr, lhelp);
strcpy(clie->usagestr, usage);
strcpy(clie->short_helpstr, shelp);
strcpy(clie->keystr, key);
verbose(2, "adding command %s.. to cli map ", key);
map_add(cli_map, key, clie);
}
void
op_mappush(void)
{
int num = frame.m->code[frame.pc++], i;
Var v;
Var from, to;
v.type = MAP;
v.v.map = map_new(num);
for (i = 0; i < num; i++) {
to = pop(); from = pop();
v.v.map = map_add(v.v.map, from, to);
}
push(v);
}
int main()
{
map *m;
string *k;
string *v;
string *q;
map_iterator *n;
pair *t;
m = map_init(stcmp);
q = string_init_cstring("");
k = string_init();
string_read_line(k);
while(string_cmp(k, q))
{
v = string_init();
string_read_line(v);
map_add(m, k, v);
k = string_init();
string_read_line(k);
}
k = string_free(k);
/* Iterate through map. */
for(n = map_begin(m); n; n = map_next(n))
{
t = n->data;
string_print(t->first);
printf(" => ");
string_println(t->second);
}
/* Free map. */
for(n = map_begin(m); n; n = map_next(n))
{
t = n->data;
string_free(t->first);
string_free(t->second);
}
string_free(q);
m = map_free(m);
return 0;
}
map_t
map_alloc(gpt_t gpt, off_t start, off_t size, off_t alignment)
{
off_t delta;
map_t m;
if (alignment > 0) {
if ((start % alignment) != 0)
start = (start + alignment) / alignment * alignment;
if ((size % alignment) != 0)
size = (size + alignment) / alignment * alignment;
}
for (m = gpt->mediamap; m != NULL; m = m->map_next) {
if (m->map_type != MAP_TYPE_UNUSED || m->map_start < 2)
continue;
if (start != 0 && m->map_start > start)
return NULL;
if (start != 0)
delta = start - m->map_start;
else if (alignment > 0 && m->map_start % alignment != 0)
delta = (m->map_start + alignment) /
alignment * alignment - m->map_start;
else
delta = 0;
if (size == 0 || m->map_size - delta >= size) {
if (m->map_size - delta < alignment)
continue;
if (size == 0) {
if (alignment > 0 &&
(m->map_size - delta) % alignment != 0)
size = (m->map_size - delta) /
alignment * alignment;
else
size = m->map_size - delta;
}
return map_add(gpt, m->map_start + delta, size,
MAP_TYPE_GPT_PART, NULL, 0);
}
}
return NULL;
}
/******************************************************************************
rest_var := '=' expr
rest_num_op
*****************************************************************************/
void parse_rest_var( val_t* val )
{
if ( match_char( '=' ) ) {
val_t vexp;
parse_expr( &vexp );
if ( vexp.type != TYPE_FLOAT ) {
printf("Error: Tried to assign non-number to %s.\n", val->d.variable );
longjmp( env, 1 );
}
printf("Assigned to %s: ", val->d.variable );
map_add( val->d.variable, vexp.d.fval );
*val = vexp;
} else {
parse_rest_num_op( val );
}
}
map_table_t *json_to_map(bombyx_env_t *env, json_t *json)
{
size_t index;
json_t *value;
const char *key;
map_table_t *map;
// TODO: minimum map size (100?)
if (json_is_object(json))
{
map = map_table_create(json_object_size(json));
json_object_foreach(json, key, value)
{
var v = {0};
if (json_is_object(value))
{
// process recursively
v.type = VAR_MAP;
v.data = json_to_map(env, value);
v.data_size = sizeof(map_table_t);
}
else if (json_is_array(value))
{
v.type = VAR_ARRAY;
v.data = json_to_array(env, value);
v.data_size = sizeof(array_t);
}
else if (json_is_string(value))
{
v.type = VAR_STRING;
v.data = strdup(json_string_value(value));
v.data_size = json_string_length(value) + 1;
}
else if (json_is_number(value))
{
v.type = VAR_DOUBLE;
v.data = challoc(env->pool_of_doubles);
v.data_size = sizeof(double);
*(double *)v.data = json_number_value(value);
}
map_add(env, map, (char *)key, v);
}
}
void boot_other(char *loader,char *boot,char *part,IMAGE_DESCR *descr)
{
int l_fd,p_fd,walk,found;
BOOT_SECTOR buff;
if (verbose) printf("Boot other: %s, on %s, loader %s\n",boot,part,loader);
(void) geo_open(&geo,boot,O_NOACCESS);
if ((l_fd = open(loader,O_RDONLY)) < 0)
die("open %s: %s",loader,strerror(errno));
if (!*part) memset(&buff,0,SECTOR_SIZE);
else {
if ((p_fd = open(part,O_RDONLY)) < 0)
die("open %s: %s",part,strerror(errno));
if (read(p_fd,(char *) &buff,SECTOR_SIZE) != SECTOR_SIZE)
die("read %s: %s",part,strerror(errno));
}
if (read(l_fd,(char *) &buff,PART_TABLE_OFFSET) < 0)
die("read %s: %s",loader,strerror(errno));
check_version(&buff,STAGE_CHAIN);
if (*part) {
found = 0;
for (walk = 0; walk < PARTITION_ENTRIES; walk++)
if (!PART(buff,walk).sys_ind || PART(buff,walk).start_sect != geo.start) {
if (PART(buff,walk).sys_ind != PART_DOS12 && PART(buff,walk).
sys_ind != PART_DOS16) PART(buff,walk).sys_ind = PART_INVALID;
}
else {
if (found) die("Duplicate entry in partition table");
buff.par_c.offset = walk*PARTITION_ENTRY;
PART(buff,walk).boot_ind = 0x80;
found = 1;
}
if (!found) die("Partition entry not found.");
(void) close(p_fd);
}
(void) close(l_fd);
map_begin_section();
map_add_sector(&buff);
map_add(&geo,0,1);
(void) map_end_section(&descr->start);
geo_close(&geo);
if (verbose > 1) printf("Mapped 2 (1+1) sectors.\n");
}
void boot_image(char *spec,IMAGE_DESCR *descr)
{
BOOT_SECTOR buff;
int fd,sectors;
if (verbose) printf("Boot image: %s\n",spec);
fd = geo_open(&geo,spec,O_RDONLY);
map_begin_section();
if (fstat(fd,&st) < 0) die("fstat %s: 5s",spec,strerror(errno));
if (read(fd,(char *) &buff,SECTOR_SIZE) != SECTOR_SIZE)
die("read %s: %s",spec,strerror(errno));
if (buff.par_l.root_dev) descr->root_dev = buff.par_l.root_dev;
if (buff.par_l.swap_dev) descr->swap_dev = buff.par_l.swap_dev;
map_add(&geo,1,(st.st_size+SECTOR_SIZE-1)/SECTOR_SIZE-1);
sectors = map_end_section(&descr->start);
geo_close(&geo);
if (verbose > 1)
printf("Mapped %d sector%s.\n",sectors,sectors == 1 ? "" : "s");
}
static int
do_asgnindex(Var var, Var idx, Var expr, Var *ret)
{
ret->type = var.type;
if (var.type == LIST) {
if (idx.type != NUM) {
var_free(idx); var_free(expr);
raise(E_TYPE); return -1;
} else if (idx.v.num <= 0 || idx.v.num > var.v.list->len) {
var_free(expr);
raise(E_RANGE); return -2;
} else {
ret->v.list = list_assign(var.v.list, expr, idx.v.num);
return 0;
}
} else if (var.type == MAP) {
ret->v.map = map_add(var.v.map, idx, expr);
return 0;
} else {
var_free(expr); var_free(idx);
raise(E_TYPE); return -3;
}
}
static int
recover_gpt_tbl(gpt_t gpt, int type, off_t start)
{
const char *name, *origname;
map_t *dtbl, stbl;
switch (type) {
case MAP_TYPE_PRI_GPT_TBL:
dtbl = &gpt->tbl;
stbl = gpt->lbt;
origname = "secondary";
name = "primary";
break;
case MAP_TYPE_SEC_GPT_TBL:
dtbl = &gpt->lbt;
stbl = gpt->tbl;
origname = "primary";
name = "secondary";
break;
default:
gpt_warn(gpt, "Bad table type %d", type);
return -1;
}
*dtbl = map_add(gpt, start, stbl->map_size, type, stbl->map_data, 0);
if (*dtbl == NULL) {
gpt_warnx(gpt, "Adding %s GPT table failed", name);
return -1;
}
if (gpt_write(gpt, *dtbl) == -1) {
gpt_warnx(gpt, "Writing %s GPT table failed", name);
return -1;
}
gpt_msg(gpt, "Recovered %s GPT table from %s", name, origname);
return 0;
}
void RebuildMap(void)
{
struct mdstat_ent *mdstat = mdstat_read(0, 0);
struct mdstat_ent *md;
struct map_ent *map = NULL;
int require_homehost;
char sys_hostname[256];
char *homehost = conf_get_homehost(&require_homehost);
if (homehost == NULL || strcmp(homehost, "<system>")==0) {
if (gethostname(sys_hostname, sizeof(sys_hostname)) == 0) {
sys_hostname[sizeof(sys_hostname)-1] = 0;
homehost = sys_hostname;
}
}
for (md = mdstat ; md ; md = md->next) {
struct mdinfo *sra = sysfs_read(-1, md->devnm, GET_DEVS);
struct mdinfo *sd;
if (!sra)
continue;
for (sd = sra->devs ; sd ; sd = sd->next) {
char namebuf[100];
char dn[30];
int dfd;
int ok;
int devid;
struct supertype *st;
char *subarray = NULL;
char *path;
struct mdinfo *info;
sprintf(dn, "%d:%d", sd->disk.major, sd->disk.minor);
dfd = dev_open(dn, O_RDONLY);
if (dfd < 0)
continue;
st = guess_super(dfd);
if ( st == NULL)
ok = -1;
else {
subarray = get_member_info(md);
ok = st->ss->load_super(st, dfd, NULL);
}
close(dfd);
if (ok != 0)
continue;
if (subarray)
info = st->ss->container_content(st, subarray);
else {
info = xmalloc(sizeof(*info));
st->ss->getinfo_super(st, info, NULL);
}
if (!info)
continue;
devid = devnm2devid(md->devnm);
path = map_dev(major(devid), minor(devid), 0);
if (path == NULL ||
strncmp(path, "/dev/md/", 8) != 0) {
/* We would really like a name that provides
* an MD_DEVNAME for udev.
* The name needs to be unique both in /dev/md/
* and in this mapfile.
* It needs to match what -I or -As would come
* up with.
* That means:
* Check if array is in mdadm.conf
* - if so use that.
* determine trustworthy from homehost etc
* find a unique name based on metadata name.
*
*/
struct mddev_ident *match = conf_match(st, info,
NULL, 0,
NULL);
struct stat stb;
if (match && match->devname && match->devname[0] == '/') {
path = match->devname;
if (path[0] != '/') {
strcpy(namebuf, "/dev/md/");
strcat(namebuf, path);
path = namebuf;
}
} else {
int unum = 0;
char *sep = "_";
const char *name;
int conflict = 1;
if ((homehost == NULL ||
st->ss->match_home(st, homehost) != 1) &&
st->ss->match_home(st, "any") != 1 &&
(require_homehost
|| ! conf_name_is_free(info->name)))
/* require a numeric suffix */
unum = 0;
else
/* allow name to be used as-is if no conflict */
unum = -1;
name = info->name;
if (!*name) {
name = st->ss->name;
if (!isdigit(name[strlen(name)-1]) &&
unum == -1) {
unum = 0;
sep = "";
}
}
if (strchr(name, ':')) {
/* Probably a uniquifying
* hostname prefix. Allow
* without a suffix, and strip
* hostname if it is us.
*/
if (homehost && unum == -1 &&
strncmp(name, homehost,
strlen(homehost)) == 0 &&
name[strlen(homehost)] == ':')
name += strlen(homehost)+1;
unum = -1;
}
while (conflict) {
if (unum >= 0)
sprintf(namebuf, "/dev/md/%s%s%d",
name, sep, unum);
else
sprintf(namebuf, "/dev/md/%s",
name);
unum++;
if (lstat(namebuf, &stb) != 0 &&
(map == NULL ||
!map_by_name(&map, namebuf+8)))
conflict = 0;
}
path = namebuf;
}
}
map_add(&map, md->devnm,
info->text_version,
info->uuid, path);
st->ss->free_super(st);
free(info);
break;
}
sysfs_free(sra);
}
/* Only trigger a change if we wrote a new map file */
if (map_write(map))
for (md = mdstat ; md ; md = md->next) {
struct mdinfo *sra = sysfs_read(-1, md->devnm,
GET_VERSION);
if (sra)
sysfs_uevent(sra, "change");
sysfs_free(sra);
}
map_free(map);
free_mdstat(mdstat);
}
int
main(int argc, char** argv) {
char path[50] = { 0x00 };
if (2 <= argc) {
strncpy(path, argv[1], strlen(argv[1]));
} else {
strncpy(path, "server.cfg", 10);
}
//读取配置文件
TinyConf* config;
char* run;
for(;;) {
config = conf_open(path, '=');
if(NULL == config) {
sleep(5);
continue;
}
run = conf_get(config, "run");
if(0 >= strlen(run)) {
sleep(5);
continue;
}
if(0 != strcmp(run, "on")) {
sleep(5);
continue;
}
break; //一切ok，启动正常处理
}
//初始化mysql配置
char* mysql_host = conf_get(config, "mysql_host");
char* mysql_port_str = conf_get(config, "mysql_port");
char* mysql_user = conf_get(config, "mysql_user");
char* mysql_password = conf_get(config, "mysql_password");
char* mysql_database = conf_get(config, "mysql_database");
//将数据库设置存入到map中
TinyMap* store_map = map_create();
map_add(store_map, "host", mysql_host, NULL);
map_add(store_map, "port", mysql_port_str, NULL);
map_add(store_map, "user", mysql_user, NULL);
map_add(store_map, "password", mysql_password, NULL);
map_add(store_map, "database", mysql_database, NULL);
//初始化tcpserver的相关代码
int tcp_port = 7000;
char* tcp_port_str = conf_get(config, "port");
if(0 < strlen(tcp_port_str)) {
tcp_port = atoi(tcp_port_str);
}
TCPServer* tcp_server = tcp_server_create(tcp_port); //生成tcp服务器实例
if(NULL == tcp_server) {
fprintf(stderr, "Create server falied.\n");
}
tcp_server_set_proc_callback(tcp_server, store_map, analyze_proc); //注册数据处理的回调函数
tcp_server_set_timeout_callback(tcp_server, store_map, analyze_timeout); //注册客户端连接超时的回调函数
int ret = tcp_server_start(tcp_server); //启动tcp服务器
if(-1 == ret) {
fprintf(stderr, "Start tcpserver falied.\n");
return 0;
}
//创建存储实例
Store* store = store_create(mysql_host, atoi(mysql_port_str), mysql_user, mysql_password, mysql_database);
//创建网络检测线程
pthread_t thread_id;
int p_ret = pthread_create(&thread_id, NULL, (void*)check_networks, store);
if(0 != p_ret) {
fprintf(stderr, "%s\n", "create networks check thread err.");
}
for(;;) { //阻塞
sleep(1000);
}
pthread_cancel(thread_id); //退出线程
store_destroy(store); //销毁存储实例
tcp_server_stop(tcp_server); //停止tcp服务器实例
tcp_server_destroy(tcp_server); //销毁tcp服务器实例
map_destroy(store_map); //销毁store_map实例
conf_close(config); //关闭配置信息读取实例
return 0;
}
static void find_includes(llnode_t *head, llist_t *todo, llist_t *paths,
set_t *incl, map_t *deps)
{
FILE *fp;
llnode_t *tmp;
char *buffer,*full,*ptr,*end;
const char *file;
buffer = (char *)malloc(4096);
full = (char *)malloc(4096);
tmp = head;
while (tmp->next != NULL) {
file = tmp->key;
fp = fopen(file,"r");
if (fp == NULL) {
perror("Cannot read source");
fprintf(stderr,"For file: %s\n",file);
exit(EXIT_FAILURE);
}
/* read file line by line and look for #include "..." */
while (!feof(fp) && !ferror(fp)) {
if (fgets(buffer,4096,fp) == NULL) continue;
ptr = buffer;
while (*ptr == ' ' || *ptr == '\t') ++ptr;
if (*ptr != '#') continue;
while (*ptr == ' ' || *ptr == '\t') ++ptr;
if (*++ptr != 'i') continue;
if (*++ptr != 'n') continue;
if (*++ptr != 'c') continue;
if (*++ptr != 'l') continue;
if (*++ptr != 'u') continue;
if (*++ptr != 'd') continue;
if (*++ptr != 'e') continue;
++ptr;
while (*ptr == ' ' || *ptr == '\t') ++ptr;
if (*ptr != '"') continue;
++ptr;
end = ptr;
while (*end != '"') {
if (*end == '\0') {
fprintf(stderr,"Unmatched '\"': %s\n",buffer);
exit(EXIT_FAILURE);
}
++end;
}
*end = '\0';
/* get full path to include file */
make_path(ptr,paths,full);
/* skip, if not found or unreadable. */
if (full[0] == '\0') continue;
/* if this is a yet unknown include, add to the
* todo list, if append is enabled */
if (set_find(incl,full) == 0) {
set_add(incl,full);
llist_append(todo,full);
}
map_add(deps,file,full);
}
fclose(fp);
tmp = tmp->next;
}
free(buffer);
free(full);
}