static int msg_allocfill(msg_t *m) {
m->mode = M_FAKE;
msg_fill(m);
m->buf = zalloc(m->filled);
m->len = m->filled;
m->mode = M_FILL;
return msg_fill(m);
}
int tea_thread_msg_push(int tid, INET_ADDR *addr, void *msg, int msg_size)
{
TEA_MSG *tmsg;
int r = 0;
pthreadex_lock_get_shared(&ttable_lock);
if(ttable[tid])
{
if(ttable[tid]->mqueue)
{
tmsg = msg_get();
if(addr)
msg_set_addr(tmsg, addr);
msg_fill(tmsg, msg, msg_size);
mqueue_push(ttable[tid]->mqueue, tmsg);
pthreadex_flag_up(&(ttable[tid]->mwaiting));
} else
DBG("[tea] network message ignored by %d", tid);
} else
r = -1;
pthreadex_lock_release();
return r;
}
/* Return the next character in the source, i.e. the first character
that will be returned by the next call to msg_gets(). This is
currently only used to check for RFC 2822 header continuation lines.
It is not safe to use in conjunction with msg_getb().
*/
int
msg_nextc (msg_source_t source)
{
assert (source != NULL);
if (source->rn <= 0 && !msg_fill (source))
return -1;
return *source->rp;
}
/* Block oriented reader. The output buffer is not used for efficiency.
*/
const char *
msg_getb (msg_source_t source, int *len)
{
assert (source != NULL);
if (source->rn <= 0 && !msg_fill (source))
return NULL;
/* Just return whatever is in the input buffer */
*len = source->rn;
source->rn = 0;
return source->rp;
}
static bool set(char *key, char *value, int timeout_ms) {
Message msg, answer;
msg_fill(&msg, MEAN_SET, key, value);
if (query(&msg, &answer, timeout_ms)) {
if (answer.meaning == MEAN_OK) {
return true;
} else {
assert(answer.meaning == MEAN_FAIL);
}
}
return false;
}
static char *get(char *key, int timeout_ms) {
Message msg, answer;
msg_fill(&msg, MEAN_GET, key, "");
if (query(&msg, &answer, timeout_ms)) {
if (answer.meaning == MEAN_OK) {
return strndup(answer.value.data, sizeof(answer.value));
} else {
assert(answer.meaning == MEAN_FAIL);
}
}
return NULL;
}
/* Line oriented reader. An output buffer is allocated as required.
The return value is a pointer to the line and remains valid until the
next call to msg_gets (). The line is guaranteed to be terminated
with a \r\n. Len is set to the number of octets in the buffer.
The line is *not* terminated with a \0.
If concatenate is non-zero, the next line of input is concatenated
with the existing line and the return value points to the original
line in the buffer. In this case *len is the number of octets in
the buffer when called and is updated to the new count on return.
*/
const char *
msg_gets (msg_source_t source, int *len, int concatenate)
{
int lastc, c, buflen;
char *p, *nbuf;
assert (source != NULL && len != NULL);
if (source->rn <= 0 && !msg_fill (source))
return NULL;
if (source->buf == NULL)
{
source->nalloc = 1023; /* RFC 2821 max line length + slack */
source->buf = malloc (source->nalloc + 2);
if (source->buf == NULL)
return NULL;
}
p = source->buf;
buflen = source->nalloc;
if (concatenate)
{
p += *len;
buflen -= *len;
}
lastc = 0;
while (source->rn > 0 || msg_fill (source))
{
c = *source->rp++;
source->rn--;
if (buflen <= 0)
{
buflen = 512;
source->nalloc += buflen;
nbuf = realloc (source->buf, source->nalloc + 2);
if (nbuf == NULL)
{
free (source->buf);
return NULL;
}
p = nbuf + (p - source->buf);
source->buf = nbuf;
}
*p++ = c;
buflen--;
if (c == '\n' && lastc == '\r')
{
*len = p - source->buf;
return source->buf;
}
lastc = c;
}
/* Only get here if the input was not properly terminated with a \r\n.
The handling of the DATA command in protocol.c relies on the \n
so we add it here. This is why there is 2 characters of slack in
malloc and realloc above. */
if (lastc != '\r')
*p++ = '\r';
*p++ = '\n';
*len = p - source->buf;
return source->buf;
}
static int msg_send(msg_t *m, int fd) {
m->mode = M_FD;
m->fd = fd;
return msg_fill(m);
}