int parse_request(struct buf *bufp) {
char *p;
p = bufp->parse_p;
//dbprintf("parse_request:\n\trbuf left to parse:\n%s\n", p);
// count request number based on CRLF2
while ((p = strstr(p, CRLF2)) != NULL && p < bufp->rbuf_tail) {
++(bufp->rbuf_req_count);
p += strlen(CRLF2);
bufp->parse_p = p;
}
// parse every request
while (bufp->rbuf_req_count != 0) {
dbprintf("parse_request: request count %d\n", bufp->rbuf_req_count);
// calloc http_req
if (bufp->req_fully_received == 1) {
//dbprintf("parse_request: start parsing new request\n");
bufp->http_req_p = (struct http_req *)calloc(1, sizeof(struct http_req));
bufp->req_fully_received = 0;
bufp->req_line_header_received = 0;
}
// parse req
parse_request_line(bufp);
parse_request_headers(bufp);
bufp->req_line_header_received = 1;// update
parse_message_body(bufp); // set req_fully_received inside
// if fully received, enqueue
if (bufp->req_fully_received == 1) {
dbprintf("parse_request: req fully received\n");
// update req_queue
req_enqueue(bufp->req_queue_p, bufp->http_req_p);
// update rbuf
--(bufp->rbuf_req_count);
bufp->rbuf_head = strstr(bufp->rbuf_head, CRLF2) + strlen(CRLF2);
} else {
// only POST can reach here
dbprintf("parse_request: POST req not fully received yet, continue receiving\n");
break; // break out while loop
}
}
return 0;
}
static void
req_forward(struct context *ctx, struct conn *c_conn, struct msg *msg)
{
rstatus_t status;
struct conn *s_conn;
struct server_pool *pool;
uint8_t *key;
uint32_t keylen;
struct keypos *kpos;
ASSERT(c_conn->client && !c_conn->proxy);
/* enqueue message (request) into client outq, if response is expected */
if (!msg->noreply) {
c_conn->enqueue_outq(ctx, c_conn, msg);
}
pool = c_conn->owner;
ASSERT(array_n(msg->keys) > 0);
kpos = array_get(msg->keys, 0);
key = kpos->start;
keylen = (uint32_t)(kpos->end - kpos->start);
s_conn = msg->routing(ctx, pool, msg, key, keylen);
if (s_conn == NULL) {
req_forward_error(ctx, c_conn, msg);
return;
}
ASSERT(!s_conn->client && !s_conn->proxy);
status = req_enqueue(ctx, s_conn, c_conn, msg);
if (status != NC_OK) {
req_put(msg);
return;
}
req_forward_stats(ctx, s_conn->owner, msg);
log_debug(LOG_VERB, "forward from c %d to s %d req %"PRIu64" len %"PRIu32
" type %d with key '%.*s'", c_conn->sd, s_conn->sd, msg->id,
msg->mlen, msg->type, keylen, key);
return;
}
