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/*
* Copyright (C) Max Romanov
* Copyright (C) NGINX, Inc.
*/
#ifndef NXT_CONFIGURE
#include "nxt_go_port.h"
#include "nxt_go_log.h"
#include "nxt_go_process.h"
#include "nxt_go_run_ctx.h"
#include <nxt_main.h>
#include <nxt_go_gen.h>
#define nxt_go_str(p) ((nxt_go_str_t *)(p))
static nxt_go_request_t
nxt_go_data_handler(nxt_port_msg_t *port_msg, size_t size)
{
size_t s;
nxt_str_t n, v;
nxt_int_t rc;
nxt_uint_t i;
nxt_go_run_ctx_t *ctx;
nxt_go_request_t r;
nxt_app_request_header_t *h;
r = nxt_go_find_request(port_msg->stream);
if (r != 0) {
return r;
}
ctx = malloc(sizeof(nxt_go_run_ctx_t));
nxt_go_ctx_init(ctx, port_msg, size - sizeof(nxt_port_msg_t));
r = (nxt_go_request_t)(ctx);
h = &ctx->r.header;
nxt_go_ctx_read_str(ctx, &h->method);
nxt_go_ctx_read_str(ctx, &h->target);
nxt_go_ctx_read_str(ctx, &h->path);
nxt_go_ctx_read_size(ctx, &s);
if (s > 0) {
s--;
h->query.start = h->target.start + s;
h->query.length = h->target.length - s;
if (h->path.start == NULL) {
h->path.start = h->target.start;
h->path.length = s - 1;
}
}
if (h->path.start == NULL) {
h->path = h->target;
}
nxt_go_new_request(r, port_msg->stream, nxt_go_str(&h->method),
nxt_go_str(&h->target));
nxt_go_ctx_read_str(ctx, &h->version);
nxt_go_request_set_proto(r, nxt_go_str(&h->version),
h->version.start[5] - '0',
h->version.start[7] - '0');
nxt_go_ctx_read_str(ctx, &h->host);
nxt_go_ctx_read_str(ctx, &h->cookie);
nxt_go_ctx_read_str(ctx, &h->content_type);
nxt_go_ctx_read_str(ctx, &h->content_length);
if (h->host.start != NULL) {
nxt_go_request_set_host(r, nxt_go_str(&h->host));
}
nxt_go_ctx_read_size(ctx, &s);
h->parsed_content_length = s;
do {
rc = nxt_go_ctx_read_str(ctx, &n);
rc = nxt_go_ctx_read_str(ctx, &v);
if (n.length == 0) {
break;
}
nxt_go_request_add_header(r, nxt_go_str(&n), nxt_go_str(&v));
} while(1);
ctx->r.body.preread = v;
if (h->parsed_content_length > 0) {
nxt_go_request_set_content_length(r, h->parsed_content_length);
}
if (v.length < h->parsed_content_length) {
nxt_go_request_create_channel(r);
}
nxt_go_request_serve(r);
return r;
}
nxt_go_request_t
nxt_go_port_on_read(void *buf, size_t buf_size, void *oob, size_t oob_size)
{
void *buf_end;
void *payload;
size_t payload_size;
nxt_fd_t fd;
struct cmsghdr *cm;
nxt_port_msg_t *port_msg;
nxt_port_msg_new_port_t *new_port_msg;
fd = -1;
nxt_go_debug("on read: %d (%d)", (int)buf_size, (int)oob_size);
cm = oob;
if (oob_size >= CMSG_SPACE(sizeof(int))
&& cm->cmsg_len == CMSG_LEN(sizeof(int))
&& cm->cmsg_level == SOL_SOCKET
&& cm->cmsg_type == SCM_RIGHTS) {
nxt_memcpy(&fd, CMSG_DATA(cm), sizeof(int));
nxt_go_debug("fd = %d", fd);
}
port_msg = buf;
if (buf_size < sizeof(nxt_port_msg_t)) {
nxt_go_warn("message too small (%d bytes)", (int)buf_size);
goto fail;
}
buf_end = ((char *)buf) + buf_size;
payload = port_msg + 1;
payload_size = buf_size - sizeof(nxt_port_msg_t);
if (port_msg->mmap) {
nxt_go_debug("using data in shared memory");
}
if (port_msg->type > NXT_PORT_MSG_MAX) {
nxt_go_warn("unknown message type (%d)", (int)port_msg->type);
goto fail;
}
switch (port_msg->type) {
case NXT_PORT_MSG_QUIT:
nxt_go_debug("quit");
nxt_go_set_quit();
break;
case NXT_PORT_MSG_NEW_PORT:
nxt_go_debug("new port");
new_port_msg = payload;
nxt_go_new_port(new_port_msg->pid, new_port_msg->id, new_port_msg->type,
-1, fd);
break;
case NXT_PORT_MSG_CHANGE_FILE:
nxt_go_debug("change file");
break;
case NXT_PORT_MSG_MMAP:
nxt_go_debug("mmap");
nxt_go_new_incoming_mmap(port_msg->pid, fd);
break;
case NXT_PORT_MSG_DATA:
nxt_go_debug("data");
return nxt_go_data_handler(port_msg, buf_size);
default:
goto fail;
}
fail:
if (fd != -1) {
close(fd);
}
return 0;
}
#endif /* NXT_CONFIGURE */
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