/*
This may be too slow because the tree could end up very unbalanced if presented in alphabetical order.
Probably better to switch to C++ and use STL.
Or could hash the strings first.
Or use a balancing data structure.
*/
TREE_T *tree_get(TREE_T *t,char *name)
{
int x=strcmp(name,t->s);
if (x==0) return t;
if (x<0)
{
if (!t->lt) t->lt=tree_new(name);
return tree_get(t->lt,name);
}
if (!t->gt) t->gt=tree_new(name);
return tree_get(t->gt,name);
}
static int
queue_ram_envelope_update(uint64_t evpid, const char *buf, size_t len)
{
struct qr_envelope *evp;
struct qr_message *msg;
void *tmp;
if ((msg = get_message(evpid_to_msgid(evpid))) == NULL)
return (0);
if ((evp = tree_get(&msg->envelopes, evpid)) == NULL) {
log_warn("warn: queue-ram: not found");
return (0);
}
tmp = malloc(len);
if (tmp == NULL) {
log_warn("warn: queue-ram: malloc");
return (0);
}
memmove(tmp, buf, len);
free(evp->buf);
evp->len = len;
evp->buf = tmp;
stat_decrement("queue.ram.envelope.size", evp->len);
stat_increment("queue.ram.envelope.size", len);
return (1);
}
int ydb_get(YDB ydb, char *key, unsigned short key_sz,
char *buf, int buf_sz) {
struct db *db = (struct db *) ydb;
assert(db->magic == YDB_STRUCT_MAGIC);
DB_LOCK(db);
struct item *item = tree_get(db->tree, key, key_sz);
if(item == NULL)
goto error;
int needed = item->value_sz + MAX_PADDING + sizeof(struct ydb_value_record);
if(buf_sz < needed) {
log_error("ydb_get:buffer too small. is %i, should be at least %i", buf_sz, needed);
goto error;
}
int r = loglist_get(db->loglist, item->logno, item->value_offset, item->value_sz, buf, buf_sz);
if(r < 0)
goto error;
DB_UNLOCK(db);
return(r);
error:
DB_UNLOCK(db);
return(-1);
}
/* Write all entries in t into the backup tree and free storage*/
void tree_commit(TREE_T *backup,TREE_T *t)
{
if (t==NULL) return;
TREE_T *b=tree_get(backup,t->s);
b->value=t->value;
tree_commit(backup,t->lt);
tree_commit(backup,t->gt);
free(t);
}
void ydb_prefetch(YDB ydb, char **keys, unsigned short *key_szs, int items_counter) {
struct db *db = (struct db *) ydb;
assert(db->magic == YDB_STRUCT_MAGIC);
struct item **items_start = (struct item **)malloc(sizeof(struct item_index *) * items_counter);
struct item **items = items_start;
DB_LOCK(db);
int i;
for(i=0; i < items_counter; i++, keys++, key_szs++) {
char *key = *keys;
int key_sz = *key_szs;
struct item *item = tree_get(db->tree, key, key_sz);
if(item) {
*items = item;
items++;
}
}
DB_UNLOCK(db);
int items_sz = items - items_start;
qsort(items_start, items_sz, sizeof(struct item *), item_cmp);
items = items_start;
int fd = -1;
int count = 0;
int offset = 0;
for(i=0; i < items_sz; i++, items++) {
struct item *item = *items;
struct log *log = slot_get(db->loglist, item->logno);
size_t read_size = ROUND_UP(item->value_sz, PADDING) + sizeof(struct ydb_value_record);
/* merge? */
if(fd == log->fd && (offset + count + 4096) >= item->value_offset) {
count = (item->value_offset+read_size) - offset;
}else{
if(fd != log->fd) {
/* clear previous fadvices */
posix_fadvise(log->fd, 0, 0, POSIX_FADV_RANDOM);
}
if(fd != -1) {
posix_fadvise(fd, offset, count, POSIX_FADV_WILLNEED);
}
fd = log->fd;
count = read_size;
offset = item->value_offset;
}
}
if(fd != -1) {
posix_fadvise(fd, offset, count, POSIX_FADV_WILLNEED);
}
free(items_start);
}
int tree_add(tree t, void * e)
{
int boolean = 0;
boolean = tree_get(t,e) != NULL;
if (!boolean) {
t->header = Binary_Tree(t, e, t->header, t->H, &boolean);
t->size++;
}
return !boolean;
}
void tree_close(void)
{
if (shared_tree)
tree_flush(tree_get());
shared_tree = NULL;
if (shared_tree_lock) {
lock_destroy(shared_tree_lock);
lock_dealloc(shared_tree_lock);
shared_tree_lock=0;
}
}
static struct qr_message *
get_message(uint32_t msgid)
{
struct qr_message *msg;
msg = tree_get(&messages, msgid);
if (msg == NULL)
log_warn("warn: queue-ram: message not found");
return (msg);
}
char *
build_realname(struct fuse *f, ino_t ino)
{
struct fuse_vnode *vn;
char *name = strdup("/");
char *tmp = NULL;
int firstshot = 0;
vn = tree_get(&f->vnode_tree, ino);
if (!vn || !name) {
free(name);
return (NULL);
}
while (vn->parent != 0) {
if (firstshot++)
asprintf(&tmp, "/%s%s", vn->path, name);
else
asprintf(&tmp, "/%s", vn->path);
if (tmp == NULL) {
free(name);
return (NULL);
}
free(name);
name = tmp;
tmp = NULL;
vn = tree_get(&f->vnode_tree, vn->parent);
if (!vn)
return (NULL);
}
if (ino == (ino_t)0)
DPRINTF("%s: NULL ino\n", __func__);
DPRINTF("realname %s\n", name);
return (name);
}
/*
* Linux specific routines
*/
void plinnames_collect(TABLE tab) {
char *basename;
plinnames_sysfiles = tree_create();
plinnames_readalldir("/proc/sys", plinnames_sysfiles);
tree_traverse(plinnames_sysfiles) {
table_addemptyrow(tab);
table_replacecurrentcell(tab, "value",
tree_get(plinnames_sysfiles));
table_replacecurrentcell(tab, "name",
tree_getkey(plinnames_sysfiles));
basename = strrchr(tree_getkey(plinnames_sysfiles), '/');
if (basename)
basename++;
else
basename = tree_getkey(plinnames_sysfiles);
table_replacecurrentcell(tab, "vname", basename);
table_freeondestroy(tab, tree_getkey(plinnames_sysfiles));
table_freeondestroy(tab, tree_get(plinnames_sysfiles));
}
tree_destroy(plinnames_sysfiles);
}
void keyValue(char a[][30] ,int n) {
int i;
TREE_T *root=tree_new("m for root");
TREE_T *backup=tree_load();
for(i=0;i<n;i++)
{
char *p=a[i];
int value;
char name[MAXN+1];
TREE_T *t;
switch(p[0])
{
case 'S':
sscanf(p,"SET %s %d",&name,&value);
t=tree_get(root,name);
t->value=value;
break;
case 'G':
sscanf(p,"GET %s",&name);
t=tree_has(root,name);
if (!t)
t=tree_get(backup,name);
printf("%d\n",t->value);
break;
case 'R':
tree_free(root);
root=tree_new("m for root");
break;
case 'C':
tree_commit(backup,root);
root=tree_new("m for root");
break;
default:
assert(0);
}
}
tree_free(root);
tree_save(backup);
}
static void
queue_envelope_cache_update(struct envelope *e)
{
struct envelope *cached;
if ((cached = tree_get(&evpcache_tree, e->id)) == NULL) {
queue_envelope_cache_add(e);
stat_increment("queue.evpcache.update.missed", 1);
} else {
TAILQ_REMOVE(&evpcache_list, cached, entry);
*cached = *e;
TAILQ_INSERT_HEAD(&evpcache_list, cached, entry);
stat_increment("queue.evpcache.update.hit", 1);
}
}
node_t *find_empty_key(tree_t *tree, int *hand, node_t *node)
{
int key;
/*
int max = (tree == &(queue_tree))? 49156:MAX_AUTO_ID;
for (key = *hand + 1; key <= max; key++) {
*/
for (key = *hand + 1; key <= MAX_AUTO_ID; key++) {
if (!tree_get(tree, key)) {
*hand = key;
return tree_put(tree, key, node);
}
}
/* TODO test */
for (key = MIN_AUTO_ID; key < *hand; key++) {
if (!tree_get(tree, key)) {
*hand = key;
return tree_put(tree, key, node);
}
}
return NULL;
}
static int
queue_ram_message_commit(uint32_t msgid, const char *path)
{
struct qr_message *msg;
struct stat sb;
size_t n;
FILE *f;
int ret;
if ((msg = tree_get(&messages, msgid)) == NULL) {
log_warnx("warn: queue-ram: msgid not found");
return (0);
}
f = fopen(path, "rb");
if (f == NULL) {
log_warn("warn: queue-ram: fopen: %s", path);
return (0);
}
if (fstat(fileno(f), &sb) == -1) {
log_warn("warn: queue-ram: fstat");
fclose(f);
return (0);
}
msg->len = sb.st_size;
msg->buf = malloc(msg->len);
if (msg->buf == NULL) {
log_warn("warn: queue-ram: malloc");
fclose(f);
return (0);
}
ret = 0;
n = fread(msg->buf, 1, msg->len, f);
if (ferror(f))
log_warn("warn: queue-ram: fread");
else if ((off_t)n != sb.st_size)
log_warnx("warn: queue-ram: bad read");
else {
ret = 1;
stat_increment("queue.ram.message.size", msg->len);
}
fclose(f);
return (ret);
}
// This method should be locked
void_p map_get(map m, void_p key) {
pthread_mutex_lock(m->mutex);
data * finder = (data*) malloc(sizeof(struct data));
finder->key = key;
c_index = m->comparer_index;
data * d = (data *)tree_get(m->t, finder);
free(finder);
if (d != NULL) {
pthread_mutex_unlock(m->mutex);
return d->value;
}
else {
pthread_mutex_unlock(m->mutex);
return NULL;
}
}
int
queue_envelope_load(uint64_t evpid, struct envelope *ep)
{
const char *e;
char evpbuf[sizeof(struct envelope)];
size_t evplen;
struct envelope *cached;
if ((env->sc_queue_flags & QUEUE_EVPCACHE) &&
(cached = tree_get(&evpcache_tree, evpid))) {
*ep = *cached;
stat_increment("queue.evpcache.load.hit", 1);
return (1);
}
ep->id = evpid;
profile_enter("queue_envelope_load");
evplen = handler_envelope_load(ep->id, evpbuf, sizeof evpbuf);
profile_leave();
log_trace(TRACE_QUEUE,
"queue-backend: queue_envelope_load(%016"PRIx64") -> %zu",
evpid, evplen);
if (evplen == 0)
return (0);
if (queue_envelope_load_buffer(ep, evpbuf, evplen)) {
if ((e = envelope_validate(ep)) == NULL) {
ep->id = evpid;
if (env->sc_queue_flags & QUEUE_EVPCACHE) {
queue_envelope_cache_add(ep);
stat_increment("queue.evpcache.load.missed", 1);
}
return (1);
}
log_debug("debug: invalid envelope %016" PRIx64 ": %s",
ep->id, e);
}
(void)queue_message_corrupt(evpid_to_msgid(evpid));
return (0);
}
static int
queue_ram_message_fd_r(uint32_t msgid)
{
struct qr_message *msg;
size_t n;
FILE *f;
int fd, fd2;
if ((msg = tree_get(&messages, msgid)) == NULL) {
log_warnx("warn: queue-ram: not found");
return (-1);
}
fd = mktmpfile();
if (fd == -1) {
log_warn("warn: queue-ram: mktmpfile");
return (-1);
}
fd2 = dup(fd);
if (fd2 == -1) {
log_warn("warn: queue-ram: dup");
close(fd);
return (-1);
}
f = fdopen(fd2, "w");
if (f == NULL) {
log_warn("warn: queue-ram: fdopen");
close(fd);
close(fd2);
return (-1);
}
n = fwrite(msg->buf, 1, msg->len, f);
if (n != msg->len) {
log_warn("warn: queue-ram: write");
close(fd);
fclose(f);
return (-1);
}
fclose(f);
lseek(fd, 0, SEEK_SET);
return (fd);
}
static int
queue_ram_envelope_load(uint64_t evpid, char *buf, size_t len)
{
struct qr_envelope *evp;
struct qr_message *msg;
if ((msg = get_message(evpid_to_msgid(evpid))) == NULL)
return (0);
if ((evp = tree_get(&msg->envelopes, evpid)) == NULL) {
log_warn("warn: queue-ram: not found");
return (0);
}
if (len < evp->len) {
log_warnx("warn: queue-ram: buffer too small");
return (0);
}
memmove(buf, evp->buf, evp->len);
return (evp->len);
}
static ssize_t addrs_get(backend_t *chain, request_t *request){
ssize_t ret;
data_t *temp;
off_t def_real_offset;
unsigned int def_block_vid;
unsigned int def_block_size;
off_t *o_real_offset = &def_real_offset;
unsigned int *o_block_vid = &def_block_vid;
unsigned int *o_block_size = &def_block_size;
block_info block;
off_t r_virt_key;
uint32_t r_block_vid;
hash_t *r_virt_key, *r_block_vid;
addrs_userdata *data = (addrs_userdata *)chain->userdata;
temp = hash_find_typed(request, TYPE_OFFT, HK(real_offset));
if(temp != NULL) o_real_offset = data_value_ptr(temp);
temp = hash_find_typed(request, TYPE_UINT32T, HK(block_vid));
if(temp != NULL) o_block_vid = data_value_ptr(temp);
temp = hash_find_typed(request, TYPE_UINT32T, HK(block_size));
if(temp != NULL) o_block_size = data_value_ptr(temp);
if(hash_find(request, HK(blocks)) == NULL){
hash_data_copy(ret, TYPE_OFFT, r_virt_key, request, HK(offset)); if(ret != 0) return warning("no offset supplied");
if(tree_get(data->tree, r_virt_key, o_block_vid, o_real_offset) != 0)
return -EFAULT;
}else{
hash_data_copy(ret, TYPE_UINT32T, r_block_vid, request, HK(block_vid)); if(ret != 0) return warning("no block_vid supplied");
if(tree_get_block(data->tree, r_block_vid, &block) != 0)
return -EFAULT;
*o_real_offset = (off_t)(block.real_block_off);
*o_block_size = (unsigned int)(block.size);
}
return 0;
}
int tree_swap(struct tree_item *root)
{
struct tree *new_tree, *old_tree;
new_tree = tree_alloc();
if (NULL == new_tree)
return -1;
new_tree->root = root;
/* Save old tree */
old_tree = tree_get();
/* Critical - swap trees */
lock_get(shared_tree_lock);
*shared_tree = new_tree;
lock_release(shared_tree_lock);
/* Flush old tree */
tree_flush(old_tree);
return 0;
}
/* ARGSUSED */
static void
control_accept(int listenfd, short event, void *arg)
{
int connfd;
socklen_t len;
struct sockaddr_un sun;
struct ctl_conn *c;
size_t *count;
uid_t euid;
gid_t egid;
if (getdtablesize() - getdtablecount() < CONTROL_FD_RESERVE)
goto pause;
len = sizeof(sun);
if ((connfd = accept(listenfd, (struct sockaddr *)&sun, &len)) == -1) {
if (errno == ENFILE || errno == EMFILE)
goto pause;
if (errno == EINTR || errno == EWOULDBLOCK ||
errno == ECONNABORTED)
return;
fatal("control_accept: accept");
}
session_socket_blockmode(connfd, BM_NONBLOCK);
if (getpeereid(connfd, &euid, &egid) == -1)
fatal("getpeereid");
count = tree_get(&ctl_count, euid);
if (count == NULL) {
count = xcalloc(1, sizeof *count, "control_accept");
tree_xset(&ctl_count, euid, count);
}
if (*count == CONTROL_MAXCONN_PER_CLIENT) {
close(connfd);
log_warnx("warn: too many connections to control socket "
"from user with uid %lu", (unsigned long int)euid);
return;
}
(*count)++;
c = xcalloc(1, sizeof(*c), "control_accept");
c->euid = euid;
c->egid = egid;
c->id = ++connid;
c->mproc.proc = PROC_CLIENT;
c->mproc.handler = control_dispatch_ext;
c->mproc.data = c;
mproc_init(&c->mproc, connfd);
mproc_enable(&c->mproc);
tree_xset(&ctl_conns, c->id, c);
stat_backend->increment("control.session", 1);
return;
pause:
log_warnx("warn: ctl client limit hit, disabling new connections");
event_del(&control_state.ev);
}
/*
* Carry out aggregation on a complete data set held in a table
* This is an alternative entry point to the class that does not need
* the setting up of a session.
* The table should identify keys, time, sequence and duration in the
* standard way as defined by FHA spec.
* Returns a TABLE of results compliant to the FHA spec, _time will be
* set to the last time of the dataset, _seq to 0. _dur is not set
* The result is independent of dataset's memory allocation, sothe caller
* needs to run table_destroy() to free its memory.
* Returns NULL if there is an error, if dataset is NULL or if there
* was insufficent data.
*/
TABLE cascade_aggregate(enum cascade_fn func, /* aggregation function */
TABLE dataset /* multi-sample, multi-key
* dataset in a table */ )
{
TREE *inforow, *keyvals, *databykey, *colnames;
char *keycol, *colname, *tmpstr, *type;
int duration, haskey=0;
TABLE itab, result;
TABSET tset;
ITREE *col;
double val, tmpval1, tmpval2;
time_t t1, t2, tdiff;
/* assert special cases */
if ( ! dataset ) {
elog_printf(DIAG, "no dataset given to aggregate");
return NULL;
}
if (table_nrows(dataset) == 0) {
elog_printf(DIAG, "no rows to aggregate in dataset");
}
if ( ! table_hascol(dataset, "_time")) {
tmpstr = table_outheader(dataset);
elog_printf(ERROR, "attempting to aggregate a table without _time "
"column (columns: %s)", tmpstr);
nfree(tmpstr);
return NULL;
}
/* find any keys that might exist */
inforow = table_getinforow(dataset, "key");
if (inforow) {
keycol = tree_search(inforow, "1", 2);
if (keycol) {
keyvals = table_uniqcolvals(dataset, keycol, NULL);
if (keyvals) {
/* separate the combined data set into ones of
* separate keys */
haskey++;
databykey = tree_create();
tset = tableset_create(dataset);
tree_traverse(keyvals) {
/* select out the data */
tableset_reset(tset);
tableset_where(tset, keycol, eq,
tree_getkey(keyvals));
itab = tableset_into(tset);
tree_add(databykey, tree_getkey(keyvals), itab);
}
tableset_destroy(tset);
}
tree_destroy(keyvals);
}
tree_destroy(inforow);
}
/* if there were no keys found, pretend that we have a single one */
if ( ! haskey ) {
databykey = tree_create();
tree_add(databykey, "nokey", dataset);
}
/* find the time span and duration of the dataset */
table_first(dataset);
if (table_hascol(dataset, "_dur"))
duration = strtol(table_getcurrentcell(dataset, "_dur"), NULL, 10);
else
duration = 0;
t1 = strtol(table_getcurrentcell(dataset, "_time"), NULL, 10);
table_last(dataset);
t2 = strtol(table_getcurrentcell(dataset, "_time"), NULL, 10);
tdiff = t2-t1+duration;
/* go over the keyed table and apply our operators to each column
* in turn */
result = table_create_fromdonor(dataset);
table_addcol(result, "_seq", NULL); /* make col before make row */
table_addcol(result, "_time", NULL);
table_addcol(result, "_dur", NULL);
tree_traverse(databykey) {
table_addemptyrow(result);
itab = tree_get(databykey);
colnames = table_getheader(itab);
tree_traverse(colnames) {
colname = tree_getkey(colnames);
if ( ! table_hascol(result, colname)) {
tmpstr = xnstrdup(colname);
table_addcol(result, tmpstr, NULL);
table_freeondestroy(result, tmpstr);
}
col = table_getcol(itab, colname);
type = table_getinfocell(itab, "type", colname);
if (type && strcmp(type, "str") == 0) {
/* string value: report the last one */
itree_last(col);
table_replacecurrentcell(result, colname, itree_get(col));
} else if (strcmp(colname, "_dur") == 0) {
/* _dur: use the last value, can treat as string */
itree_last(col);
table_replacecurrentcell(result, "_dur", itree_get(col));
} else if (strcmp(colname, "_seq") == 0) {
/* _seq: only one result is produced so must be 0 */
table_replacecurrentcell(result, "_seq", "0");
} else if (strcmp(colname, "_time") == 0) {
/* _time: use the last value, can treat as string */
itree_last(col);
table_replacecurrentcell(result, "_time", itree_get(col));
} else {
/* numeric value: treat as a float and report it */
switch (func) {
case CASCADE_AVG:
/* average of column's values */
val = 0.0;
itree_traverse(col)
val += atof( itree_get(col) );
val = val / itree_n(col);
break;
case CASCADE_MIN:
/* minimum of column's values */
val = DBL_MAX;
itree_traverse(col) {
tmpval1 = atof( itree_get(col) );
if (tmpval1 < val)
val = tmpval1;
}
break;
case CASCADE_MAX:
/* maximum of column's values */
val = DBL_MIN;
itree_traverse(col) {
tmpval1 = atof( itree_get(col) );
if (tmpval1 > val)
val = tmpval1;
}
break;
case CASCADE_SUM:
/* sum of column's values */
val = 0.0;
itree_traverse(col)
val += atof( itree_get(col) );
break;
case CASCADE_LAST:
/* last value */
itree_last(col);
val = atof( itree_get(col) );
break;
case CASCADE_FIRST:
/* last value */
itree_first(col);
val = atof( itree_get(col) );
break;
case CASCADE_DIFF:
/* the difference in values of first and last */
itree_first(col);
tmpval1 = atof( itree_get(col) );
itree_last(col);
tmpval2 = atof( itree_get(col) );
val = tmpval2 - tmpval1;
break;
case CASCADE_RATE:
/* difference in values (as CASCADE_DIFF) then
* divided by the number of seconds in the set */
itree_first(col);
tmpval1 = atof( itree_get(col) );
itree_last(col);
tmpval2 = atof( itree_get(col) );
val = tmpval2 - tmpval1;
val = val / tdiff;
break;
}
/* save the floating point value */
table_replacecurrentcell_alloc(result, colname,
util_ftoa(val));
}
itree_destroy(col);
}
/* make sure that there are values for the special columns */
if ( ! table_hascol(dataset, "_time"))
table_replacecurrentcell(result, "_time",
util_decdatetime(time(NULL)));
if ( ! table_hascol(dataset, "_seq"))
table_replacecurrentcell(result, "_seq", "0");
if ( ! table_hascol(dataset, "_dur"))
table_replacecurrentcell(result, "_dur", "0");
}
/* clear up */
if (haskey) {
tree_traverse(databykey) {
itab = tree_get(databykey);
table_destroy(itab);
}
}
tree_destroy(databykey);
return result;
}
void tree_close(void)
{
tree_flush(tree_get());
}
static void
control_imsg(struct mproc *p, struct imsg *imsg)
{
struct ctl_conn *c;
struct stat_value val;
struct msg m;
const char *key;
const void *data;
size_t sz;
if (p->proc == PROC_PONY) {
switch (imsg->hdr.type) {
case IMSG_CTL_SMTP_SESSION:
c = tree_get(&ctl_conns, imsg->hdr.peerid);
if (c == NULL)
return;
m_compose(&c->mproc, IMSG_CTL_OK, 0, 0, imsg->fd,
NULL, 0);
return;
}
}
if (p->proc == PROC_SCHEDULER) {
switch (imsg->hdr.type) {
case IMSG_CTL_OK:
case IMSG_CTL_FAIL:
case IMSG_CTL_LIST_MESSAGES:
c = tree_get(&ctl_conns, imsg->hdr.peerid);
if (c == NULL)
return;
imsg->hdr.peerid = 0;
m_forward(&c->mproc, imsg);
return;
}
}
if (p->proc == PROC_QUEUE) {
switch (imsg->hdr.type) {
case IMSG_CTL_LIST_ENVELOPES:
case IMSG_CTL_DISCOVER_EVPID:
case IMSG_CTL_DISCOVER_MSGID:
case IMSG_CTL_UNCORRUPT_MSGID:
c = tree_get(&ctl_conns, imsg->hdr.peerid);
if (c == NULL)
return;
m_forward(&c->mproc, imsg);
return;
}
}
if (p->proc == PROC_PONY) {
switch (imsg->hdr.type) {
case IMSG_CTL_OK:
case IMSG_CTL_FAIL:
case IMSG_CTL_MTA_SHOW_HOSTS:
case IMSG_CTL_MTA_SHOW_RELAYS:
case IMSG_CTL_MTA_SHOW_ROUTES:
case IMSG_CTL_MTA_SHOW_HOSTSTATS:
case IMSG_CTL_MTA_SHOW_BLOCK:
c = tree_get(&ctl_conns, imsg->hdr.peerid);
if (c == NULL)
return;
imsg->hdr.peerid = 0;
m_forward(&c->mproc, imsg);
return;
}
}
switch (imsg->hdr.type) {
case IMSG_STAT_INCREMENT:
m_msg(&m, imsg);
m_get_string(&m, &key);
m_get_data(&m, &data, &sz);
m_end(&m);
memmove(&val, data, sz);
if (stat_backend)
stat_backend->increment(key, val.u.counter);
control_digest_update(key, val.u.counter, 1);
return;
case IMSG_STAT_DECREMENT:
m_msg(&m, imsg);
m_get_string(&m, &key);
m_get_data(&m, &data, &sz);
m_end(&m);
memmove(&val, data, sz);
if (stat_backend)
stat_backend->decrement(key, val.u.counter);
control_digest_update(key, val.u.counter, 0);
return;
case IMSG_STAT_SET:
m_msg(&m, imsg);
m_get_string(&m, &key);
m_get_data(&m, &data, &sz);
m_end(&m);
memmove(&val, data, sz);
if (stat_backend)
stat_backend->set(key, &val);
return;
}
errx(1, "control_imsg: unexpected %s imsg",
imsg_to_str(imsg->hdr.type));
}
void
mta_imsg(struct imsgev *iev, struct imsg *imsg)
{
struct mta_route *route;
struct mta_batch2 *batch;
struct mta_task *task;
struct envelope *e;
struct ssl *ssl;
uint64_t id;
if (iev->proc == PROC_QUEUE) {
switch (imsg->hdr.type) {
case IMSG_BATCH_CREATE:
id = *(uint64_t*)(imsg->data);
batch = xmalloc(sizeof *batch, "mta_batch");
batch->id = id;
tree_init(&batch->tasks);
tree_xset(&batches, batch->id, batch);
log_trace(TRACE_MTA,
"mta: batch:%016" PRIx64 " created", batch->id);
return;
case IMSG_BATCH_APPEND:
e = xmemdup(imsg->data, sizeof *e, "mta:envelope");
route = mta_route_for(e);
batch = tree_xget(&batches, e->batch_id);
if ((task = tree_get(&batch->tasks, route->id)) == NULL) {
log_trace(TRACE_MTA, "mta: new task for %s",
mta_route_to_text(route));
task = xmalloc(sizeof *task, "mta_task");
TAILQ_INIT(&task->envelopes);
task->route = route;
tree_xset(&batch->tasks, route->id, task);
task->msgid = evpid_to_msgid(e->id);
task->sender = e->sender;
route->refcount += 1;
}
/* Technically, we could handle that by adding a msg
* level, but the batch sent by the scheduler should
* be valid.
*/
if (task->msgid != evpid_to_msgid(e->id))
errx(1, "msgid mismatch in batch");
/* XXX honour route->maxrcpt */
TAILQ_INSERT_TAIL(&task->envelopes, e, entry);
stat_increment("mta.envelope", 1);
log_debug("mta: received evp:%016" PRIx64 " for <%s@%s>",
e->id, e->dest.user, e->dest.domain);
return;
case IMSG_BATCH_CLOSE:
id = *(uint64_t*)(imsg->data);
batch = tree_xpop(&batches, id);
log_trace(TRACE_MTA, "mta: batch:%016" PRIx64 " closed",
batch->id);
/* for all tasks, queue them on there route */
while (tree_poproot(&batch->tasks, &id, (void**)&task)) {
if (id != task->route->id)
errx(1, "route id mismatch!");
task->route->refcount -= 1;
task->route->ntask += 1;
TAILQ_INSERT_TAIL(&task->route->tasks, task, entry);
stat_increment("mta.task", 1);
mta_route_drain(task->route);
}
free(batch);
return;
case IMSG_QUEUE_MESSAGE_FD:
mta_session_imsg(iev, imsg);
return;
}
}
if (iev->proc == PROC_LKA) {
switch (imsg->hdr.type) {
case IMSG_LKA_SECRET:
case IMSG_DNS_HOST:
case IMSG_DNS_HOST_END:
case IMSG_DNS_PTR:
mta_session_imsg(iev, imsg);
return;
}
}
if (iev->proc == PROC_PARENT) {
switch (imsg->hdr.type) {
case IMSG_CONF_START:
if (env->sc_flags & SMTPD_CONFIGURING)
return;
env->sc_flags |= SMTPD_CONFIGURING;
env->sc_ssl = xcalloc(1, sizeof *env->sc_ssl, "mta:sc_ssl");
return;
case IMSG_CONF_SSL:
if (!(env->sc_flags & SMTPD_CONFIGURING))
return;
ssl = xmemdup(imsg->data, sizeof *ssl, "mta:ssl");
ssl->ssl_cert = xstrdup((char*)imsg->data + sizeof *ssl,
"mta:ssl_cert");
ssl->ssl_key = xstrdup((char*)imsg->data +
sizeof *ssl + ssl->ssl_cert_len, "mta:ssl_key");
SPLAY_INSERT(ssltree, env->sc_ssl, ssl);
return;
case IMSG_CONF_END:
if (!(env->sc_flags & SMTPD_CONFIGURING))
return;
env->sc_flags &= ~SMTPD_CONFIGURING;
return;
case IMSG_CTL_VERBOSE:
log_verbose(*(int *)imsg->data);
return;
}
}
errx(1, "mta_imsg: unexpected %s imsg", imsg_to_str(imsg->hdr.type));
}
injection_t * injection_get(const process_t * process, const injectable_t * injectable) {
return tree_get(&process->injections, (tree_key_t) injectable);
}