void SNetStorageObjectRPC::Close()
{
if (m_State == eReady)
return;
CNetServerConnection conn_copy(m_Connection);
m_Connection = NULL;
if (m_State == eReading) {
m_State = eReady;
if (!m_EOF) {
m_UTTPReader.Reset();
conn_copy->Close();
}
} else { /* m_State == eWriting */
m_State = eReady;
CSocket& sock = conn_copy->m_Socket;
s_SendEndOfData(sock);
CReadJsonFromSocket message_reader;
s_TrapErrors(m_OriginalRequest,
message_reader.ReadMessage(sock), sock,
m_NetStorageRPC->m_Config.err_mode);
}
}
static int net_connect_req_handler(struct net_handle_cxt* cxt,
struct net_req* req) {
PLOGD("Entering CONNECT handler!");
struct strbuf* buf = &req->data->buf;
PLOGD("HTTP/%d.%d", req->ver_major, req->ver_minor);
req->host = req->path;
PLOGD("Host: %s", buf->p + req->host);
PLOGD("Port: %d", req->port);
struct conn* client = cxt->client;
PLOGD("From client: %s", ep_tostring(&client->ep));
struct conn* server = net_connect_to_server(cxt, buf->p + req->host,
htons(req->port));
if (server == NULL) {
// No server available
net_bad_gateway(client);
return -1;
}
struct net_handle_list* p = mem_alloc(sizeof(struct net_handle_list));
p->server = server;
mem_incref(server);
p->next = NULL;
p->req = req;
mem_incref(req);
if (cxt->head == NULL)
cxt->head = cxt->tail = p;
else {
cxt->tail->next = p;
cxt->tail = p;
}
event_post(cxt->ev_notice_rsp, (void*)1);
static char msg[] = "HTTP/1.1 200 OK\r\n\r\n";
int ret = conn_write(client, msg, strlen(msg));
if (ret) {
net_bad_gateway(client);
mem_decref(server, conn_done);
return -1;
}
while (1) {
ret = conn_copy(server, client, 64*1024);
if (ret)
break;
}
PLOGI("%s CONNECT %s %d", ep_tostring(client),
buf->p + req->host,
client->tx);
mem_decref(server, conn_done);
return ret;
}
static int net_connect_rsp_handler(struct net_handle_cxt* cxt,
struct conn* server) {
struct conn* client = cxt->client;
int ret;
while (1) {
ret = conn_copy(client, server, 64*1024);
if (ret)
break;
}
return ret;
}
static int net_transfer_body_HTTP_1_1(struct conn* dst,
struct conn* src,
struct net_data* data) {
if (strcmp(data->buf.p, "HEAD") == 0)
return 0;
int ret = 0;
char* keyval = net_data_get_ent(data, "Transfer-Encoding");
if (keyval == NULL || strcmp(keyval, "chunked")) {
// Not chunked encoding
keyval = net_data_get_ent(data, "Content-Length");
int len = 0;
if (keyval)
len += atoi(keyval);
if (len > 0) {
ret = conn_copy(dst, src, len);
if (ret)
return ret;
}
return 0;
}
// Transfer-Encoding: chunked
// FIXME HTTP rfc tells that proxy should forward decoded body
struct strbuf buf;
strbuf_init(&buf);
while (1) {
strbuf_reset(&buf);
ret = conn_gets(src, HTTP_CHUNK_HEADER_MAXLEN, &buf);
if (ret <= 0) {
ret = -1;
break;
}
strbuf_cat(&buf, "\r\n");
ret = conn_write(dst, buf.p, buf.len);
if (ret) {
break;
}
int len = -1;
sscanf(buf.p, "%x", &len);
if (len == 0) {
// Last chunck
ret = 0;
break;
}
// Also copy the \r\n
ret = conn_copy(dst, src, len+2);
if (ret)
break;
}
if (ret == 0) {
// Chunked trailer part
while (1) {
strbuf_reset(&buf);
ret = conn_gets(src, HTTP_HEADER_MAXLEN, &buf);
if (ret < 0)
return ret;
strbuf_cat(&buf, "\r\n");
if (conn_write(dst, buf.p, buf.len)) {
ret = -1;
break;
}
if (ret == 0)
break;
}
}
strbuf_done(&buf);
return ret;
}
static int net_http_rsp_handler(struct net_handle_cxt* cxt,
struct conn* server) {
struct conn* client = cxt->client;
client->tx = 0;
struct net_data* data = mem_alloc(sizeof(struct net_data));
net_data_init(data);
int ret = net_fetch_http(server, data);
if (ret) {
// Failed to fetch response from server
conn_close(server);
net_bad_gateway(client);
net_data_done(data);
mem_free(data);
return ret;
}
struct net_rsp rsp;
memset(&rsp, 0, sizeof(rsp));
rsp.data = data;
ret = net_parse_rsp(&rsp);
if (ret) {
conn_close(server);
net_bad_gateway(client);
net_rsp_done(&rsp);
return ret;
}
// TODO check headers and http version
ret = net_forward_rsp_header(&rsp, client);
if (ret) {
net_rsp_done(&rsp);
return ret;
}
if (rsp.ver_major*100 + rsp.ver_minor > 100) {
// Higher than http 1.0
ret = net_transfer_body_HTTP_1_1(client, server, rsp.data);
} else {
PLOGD("Forwarding http 1.0 response");
while (1) {
ret = conn_copy(client, server, 64*1024);
if (ret < 0) {
ret = 0;
break;
}
}
conn_close(client);
conn_close(server);
}
struct net_req* req = cxt->head->req;
if (ret == 0)
ret = rsp.code;
// WTF...
log_http_req(&client->ep, req->data->buf.p + req->host,
req->data->buf.p + req->path, client->tx);
PLOGI("%s %s %s:%d%s %d", ep_tostring(&client->ep),
req->data->buf.p,
req->data->buf.p + req->host,
req->port,
req->data->buf.p + req->path,
client->tx);
net_rsp_done(&rsp);
return ret;
}
