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Always send MG_EV_HTTP_CHUNK

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PUBLISHED_FROM=33957356e1510b73b37768496c74a6bf12630215
This commit is contained in:
Sergey Lyubka 2017-07-21 14:27:47 +01:00 committed by Cesanta Bot
parent 0fba87c755
commit 8bbb44f90c
1 changed files with 24 additions and 5 deletions
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29
mongoose.c
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@ -5330,6 +5330,7 @@ struct mg_http_proto_data {
struct mg_http_endpoint *endpoints;
mg_event_handler_t endpoint_handler;
struct mg_reverse_proxy_data reverse_proxy_data;
size_t rcvd; /* How many bytes we have received. */
};
static void mg_http_conn_destructor(void *proto_data);
@ -5839,6 +5840,16 @@ static void mg_http_multipart_begin(struct mg_connection *nc,
static void mg_http_call_endpoint_handler(struct mg_connection *nc, int ev,
struct http_message *hm);
static void deliver_chunk(struct mg_connection *c, struct http_message *hm,
int req_len) {
/* Incomplete message received. Send MG_EV_HTTP_CHUNK event */
hm->body.len = c->recv_mbuf.len - req_len;
c->flags &= ~MG_F_DELETE_CHUNK;
mg_call(c, c->handler, c->user_data, MG_EV_HTTP_CHUNK, hm);
/* Delete processed data if user set MG_F_DELETE_CHUNK flag */
if (c->flags & MG_F_DELETE_CHUNK) c->recv_mbuf.len = req_len;
}
/*
* lx106 compiler has a bug (TODO(mkm) report and insert tracking bug here)
* If a big structure is declared in a big function, lx106 gcc will make it
@ -5861,8 +5872,7 @@ static void mg_http_handler2(struct mg_connection *nc, int ev,
#else /* !__XTENSA__ */
void mg_http_handler(struct mg_connection *nc, int ev,
void *ev_data MG_UD_ARG(void *user_data)) {
struct http_message shm;
struct http_message *hm = &shm;
struct http_message shm, *hm = &shm;
#endif /* __XTENSA__ */
struct mg_http_proto_data *pd = mg_http_get_proto_data(nc);
struct mbuf *io = &nc->recv_mbuf;
@ -5898,7 +5908,8 @@ void mg_http_handler(struct mg_connection *nc, int ev,
nc->user_data, MG_EV_HTTP_MULTIPART_REQUEST_END, &mp);
} else
#endif
if (io->len > 0 && mg_parse_http(io->buf, io->len, hm, is_req) > 0) {
if (io->len > 0 &&
(req_len = mg_parse_http(io->buf, io->len, hm, is_req)) > 0) {
/*
* For HTTP messages without Content-Length, always send HTTP message
* before MG_EV_CLOSE message.
@ -5906,8 +5917,10 @@ void mg_http_handler(struct mg_connection *nc, int ev,
int ev2 = is_req ? MG_EV_HTTP_REQUEST : MG_EV_HTTP_REPLY;
hm->message.len = io->len;
hm->body.len = io->buf + io->len - hm->body.p;
deliver_chunk(nc, hm, req_len);
mg_http_call_endpoint_handler(nc, ev2, hm);
}
pd->rcvd = 0;
}
#if MG_ENABLE_FILESYSTEM
@ -5920,6 +5933,7 @@ void mg_http_handler(struct mg_connection *nc, int ev,
if (ev == MG_EV_RECV) {
struct mg_str *s;
pd->rcvd += *(int *) ev_data;
#if MG_ENABLE_HTTP_STREAMING_MULTIPART
if (pd->mp_stream.boundary != NULL) {
@ -5999,19 +6013,24 @@ void mg_http_handler(struct mg_connection *nc, int ev,
}
}
#endif /* MG_ENABLE_HTTP_WEBSOCKET */
else if (hm->message.len <= io->len) {
else if (hm->message.len > pd->rcvd) {
/* Not yet received all HTTP body, deliver MG_EV_HTTP_CHUNK */
deliver_chunk(nc, hm, req_len);
} else {
/* We did receive all HTTP body. */
int trigger_ev = nc->listener ? MG_EV_HTTP_REQUEST : MG_EV_HTTP_REPLY;
char addr[32];
mg_sock_addr_to_str(&nc->sa, addr, sizeof(addr),
MG_SOCK_STRINGIFY_IP | MG_SOCK_STRINGIFY_PORT);
DBG(("%p %s %.*s %.*s", nc, addr, (int) hm->method.len, hm->method.p,
(int) hm->uri.len, hm->uri.p));
deliver_chunk(nc, hm, req_len);
/* Whole HTTP message is fully buffered, call event handler */
mg_http_call_endpoint_handler(nc, trigger_ev, hm);
mbuf_remove(io, hm->message.len);
pd->rcvd = 0;
}
}
(void) pd;
}
static size_t mg_get_line_len(const char *buf, size_t buf_len) {