void
spdy_free_connection(struct SPDY_Connection * connection)
{
struct Proxy *proxy;
struct Proxy *proxy_next;
if(NULL != connection)
{
for(proxy = connection->proxies_head; NULL != proxy; proxy=proxy_next)
{
proxy_next = proxy->next;
DLL_remove(connection->proxies_head, connection->proxies_tail, proxy);
proxy->spdy_active = false;
proxy->spdy_error = true;
PRINT_INFO2("spdy_free_connection for id %i", proxy->id);
if(!proxy->http_active)
{
free_proxy(proxy);
}
}
spdylay_session_del(connection->session);
SSL_free(connection->ssl);
free(connection->host);
free(connection);
//connection->session = NULL;
}
}
/*
* Fetches the resource denoted by |uri|.
*/
static void fetch_uri(const struct URI *uri)
{
spdylay_session_callbacks callbacks;
int fd;
SSL_CTX *ssl_ctx;
SSL *ssl;
struct Request req;
struct Connection connection;
int rv;
nfds_t npollfds = 1;
struct pollfd pollfds[1];
uint16_t spdy_proto_version;
request_init(&req, uri);
setup_spdylay_callbacks(&callbacks);
/* Establish connection and setup SSL */
fd = connect_to(req.host, req.port);
ssl_ctx = SSL_CTX_new(SSLv23_client_method());
if(ssl_ctx == NULL) {
dief("SSL_CTX_new", ERR_error_string(ERR_get_error(), NULL));
}
init_ssl_ctx(ssl_ctx, &spdy_proto_version);
ssl = SSL_new(ssl_ctx);
if(ssl == NULL) {
dief("SSL_new", ERR_error_string(ERR_get_error(), NULL));
}
/* To simplify the program, we perform SSL/TLS handshake in blocking
I/O. */
ssl_handshake(ssl, fd);
connection.ssl = ssl;
connection.want_io = IO_NONE;
/* Here make file descriptor non-block */
make_non_block(fd);
set_tcp_nodelay(fd);
printf("[INFO] SPDY protocol version = %d\n", spdy_proto_version);
rv = spdylay_session_client_new(&connection.session, spdy_proto_version,
&callbacks, &connection);
if(rv != 0) {
diec("spdylay_session_client_new", rv);
}
/* Submit the HTTP request to the outbound queue. */
submit_request(&connection, &req);
pollfds[0].fd = fd;
ctl_poll(pollfds, &connection);
/* Event loop */
while(spdylay_session_want_read(connection.session) ||
spdylay_session_want_write(connection.session)) {
int nfds = poll(pollfds, npollfds, -1);
if(nfds == -1) {
dief("poll", strerror(errno));
}
if(pollfds[0].revents & (POLLIN | POLLOUT)) {
exec_io(&connection);
}
if((pollfds[0].revents & POLLHUP) || (pollfds[0].revents & POLLERR)) {
die("Connection error");
}
ctl_poll(pollfds, &connection);
}
/* Resource cleanup */
spdylay_session_del(connection.session);
SSL_shutdown(ssl);
SSL_free(ssl);
SSL_CTX_free(ssl_ctx);
shutdown(fd, SHUT_WR);
close(fd);
request_free(&req);
}
static void run_spdylay_session_recv(void)
{
spdylay_session *session;
spdylay_session_callbacks callbacks;
spdylay_zlib deflater;
spdylay_frame frame;
uint8_t *buf = NULL, *nvbuf = NULL;
size_t buflen = 0, nvbuflen = 0;
ssize_t framelen;
const char *nv[] = { ":host", "example.org",
":scheme", "https",
NULL };
spdylay_settings_entry iv[2];
spdylay_mem_chunk proof;
spdylay_mem_chunk *certs;
size_t ncerts;
my_user_data ud;
data_feed df;
int rv;
memset(&callbacks, 0, sizeof(spdylay_session_callbacks));
callbacks.recv_callback = data_feed_recv_callback;
ud.df = &df;
spdylay_failmalloc_pause();
spdylay_zlib_deflate_hd_init(&deflater, SPDYLAY_PROTO_SPDY3);
spdylay_session_server_new(&session, SPDYLAY_PROTO_SPDY3, &callbacks, &ud);
spdylay_failmalloc_unpause();
/* SYN_STREAM */
spdylay_failmalloc_pause();
spdylay_frame_syn_stream_init(&frame.syn_stream, SPDYLAY_PROTO_SPDY3,
SPDYLAY_CTRL_FLAG_FIN, 1, 0, 2,
spdylay_frame_nv_copy(nv));
framelen = spdylay_frame_pack_syn_stream(&buf, &buflen,
&nvbuf, &nvbuflen,
&frame.syn_stream, &deflater);
spdylay_frame_syn_stream_free(&frame.syn_stream);
data_feed_init(&df, buf, framelen);
spdylay_failmalloc_unpause();
rv = spdylay_session_recv(session);
if(rv != 0) {
goto fail;
}
/* PING */
spdylay_failmalloc_pause();
spdylay_frame_ping_init(&frame.ping, SPDYLAY_PROTO_SPDY3, 1);
framelen = spdylay_frame_pack_ping(&buf, &buflen, &frame.ping);
spdylay_frame_ping_free(&frame.ping);
data_feed_init(&df, buf, framelen);
spdylay_failmalloc_unpause();
rv = spdylay_session_recv(session);
if(rv != 0) {
goto fail;
}
/* RST_STREAM */
spdylay_failmalloc_pause();
spdylay_frame_rst_stream_init(&frame.rst_stream, SPDYLAY_PROTO_SPDY3, 1,
SPDYLAY_PROTOCOL_ERROR);
framelen = spdylay_frame_pack_rst_stream(&buf, &buflen, &frame.rst_stream);
spdylay_frame_rst_stream_free(&frame.rst_stream);
spdylay_failmalloc_unpause();
rv = spdylay_session_recv(session);
if(rv != 0) {
goto fail;
}
/* SETTINGS */
spdylay_failmalloc_pause();
iv[0].settings_id = SPDYLAY_SETTINGS_UPLOAD_BANDWIDTH;
iv[0].flags = SPDYLAY_ID_FLAG_SETTINGS_PERSIST_VALUE;
iv[0].value = 256;
iv[1].settings_id = SPDYLAY_SETTINGS_MAX_CONCURRENT_STREAMS;
iv[1].flags = SPDYLAY_ID_FLAG_SETTINGS_NONE;
iv[1].value = 100;
spdylay_frame_settings_init(&frame.settings, SPDYLAY_PROTO_SPDY3,
SPDYLAY_FLAG_SETTINGS_CLEAR_SETTINGS,
spdylay_frame_iv_copy(iv, 2), 2);
framelen = spdylay_frame_pack_settings(&buf, &buflen, &frame.settings);
spdylay_frame_settings_free(&frame.settings);
spdylay_failmalloc_unpause();
rv = spdylay_session_recv(session);
if(rv != 0) {
goto fail;
}
/* CREDENTIAL */
spdylay_failmalloc_pause();
proof.data = (uint8_t*)strcopy("PROOF");
proof.length = strlen("PROOF");
ncerts = 2;
certs = malloc(sizeof(spdylay_mem_chunk)*ncerts);
certs[0].data = (uint8_t*)strcopy("CERT0");
certs[0].length = strlen("CERT0");
certs[1].data = (uint8_t*)strcopy("CERT1");
certs[1].length = strlen("CERT1");
spdylay_frame_credential_init(&frame.credential, SPDYLAY_PROTO_SPDY3,
1, &proof, certs, ncerts);
framelen = spdylay_frame_pack_credential(&buf, &buflen, &frame.credential);
spdylay_frame_credential_free(&frame.credential);
spdylay_failmalloc_unpause();
rv = spdylay_session_recv(session);
if(rv != 0) {
goto fail;
}
fail:
free(buf);
free(nvbuf);
spdylay_session_del(session);
spdylay_zlib_deflate_free(&deflater);
}
static void run_spdylay_session_send(void)
{
spdylay_session *session;
spdylay_session_callbacks callbacks;
const char *nv[] = { ":host", "example.org",
":scheme", "https",
NULL };
spdylay_data_provider data_prd;
spdylay_settings_entry iv[2];
my_user_data ud;
int rv;
memset(&callbacks, 0, sizeof(spdylay_session_callbacks));
callbacks.send_callback = null_send_callback;
callbacks.get_credential_ncerts = get_credential_ncerts;
callbacks.get_credential_cert = get_credential_cert;
callbacks.get_credential_proof = get_credential_proof;
data_prd.read_callback = fixed_length_data_source_read_callback;
ud.data_source_length = 64*1024;
iv[0].settings_id = SPDYLAY_SETTINGS_UPLOAD_BANDWIDTH;
iv[0].flags = SPDYLAY_ID_FLAG_SETTINGS_PERSIST_VALUE;
iv[0].value = 256;
iv[1].settings_id = SPDYLAY_SETTINGS_MAX_CONCURRENT_STREAMS;
iv[1].flags = SPDYLAY_ID_FLAG_SETTINGS_NONE;
iv[1].value = 100;
rv = spdylay_session_client_new(&session, SPDYLAY_PROTO_SPDY3,
&callbacks, &ud);
if(rv != 0) {
goto client_new_fail;
}
rv = spdylay_submit_request(session, 3, nv, &data_prd, NULL);
if(rv != 0) {
goto fail;
}
rv = spdylay_submit_syn_stream(session, SPDYLAY_CTRL_FLAG_NONE,
0, 3, nv, NULL);
if(rv != 0) {
goto fail;
}
rv = spdylay_session_send(session);
if(rv != 0) {
goto fail;
}
/* The SYN_STREAM submitted by the previous
spdylay_submit_syn_stream will have stream ID 3. Send HEADERS to
that stream. */
rv = spdylay_submit_headers(session, SPDYLAY_CTRL_FLAG_NONE, 3, nv);
if(rv != 0) {
goto fail;
}
rv = spdylay_submit_data(session, 3, SPDYLAY_DATA_FLAG_FIN, &data_prd);
if(rv != 0) {
goto fail;
}
rv = spdylay_session_send(session);
if(rv != 0) {
goto fail;
}
rv = spdylay_submit_rst_stream(session, 3, SPDYLAY_CANCEL);
if(rv != 0) {
goto fail;
}
rv = spdylay_session_send(session);
if(rv != 0) {
goto fail;
}
/* Sending against half-closed stream */
rv = spdylay_submit_headers(session, SPDYLAY_CTRL_FLAG_NONE, 3, nv);
if(rv != 0) {
goto fail;
}
rv = spdylay_submit_data(session, 3, SPDYLAY_DATA_FLAG_FIN, &data_prd);
if(rv != 0) {
goto fail;
}
rv = spdylay_submit_ping(session);
if(rv != 0) {
goto fail;
}
rv = spdylay_submit_settings(session, SPDYLAY_FLAG_SETTINGS_NONE, iv, 2);
if(rv != 0) {
goto fail;
}
rv = spdylay_session_send(session);
if(rv != 0) {
goto fail;
}
rv = spdylay_submit_goaway(session, SPDYLAY_GOAWAY_OK);
if(rv != 0) {
goto fail;
}
rv = spdylay_session_send(session);
if(rv != 0) {
goto fail;
}
fail:
spdylay_session_del(session);
client_new_fail:
;
}
/*
* Fetches the resource denoted by |uri|.
*/
static void fetch_uri(const struct URI *uri)
{
spdylay_session_callbacks callbacks;
int fd;
struct Request req;
struct Connection connection;
int rv;
nfds_t npollfds = 1;
struct pollfd pollfds[1];
uint16_t spdy_proto_version = 3;
request_init(&req, uri);
setup_spdylay_callbacks(&callbacks);
/* Establish connection and setup SSL */
fd = connect_to(req.host, req.port);
if (-1 == fd)
abort ();
connection.fd = fd;
connection.want_io = IO_NONE;
/* Here make file descriptor non-block */
make_non_block(fd);
set_tcp_nodelay(fd);
printf("[INFO] SPDY protocol version = %d\n", spdy_proto_version);
rv = spdylay_session_client_new(&connection.session, spdy_proto_version,
&callbacks, &connection);
if(rv != 0) {
diec("spdylay_session_client_new", rv);
}
/* Submit the HTTP request to the outbound queue. */
submit_request(&connection, &req);
pollfds[0].fd = fd;
ctl_poll(pollfds, &connection);
/* Event loop */
while(spdylay_session_want_read(connection.session) ||
spdylay_session_want_write(connection.session)) {
int nfds = poll(pollfds, npollfds, -1);
if(nfds == -1) {
dief("poll", strerror(errno));
}
if(pollfds[0].revents & (POLLIN | POLLOUT)) {
exec_io(&connection);
}
if((pollfds[0].revents & POLLHUP) || (pollfds[0].revents & POLLERR)) {
die("Connection error");
}
ctl_poll(pollfds, &connection);
}
/* Resource cleanup */
spdylay_session_del(connection.session);
shutdown(fd, SHUT_WR);
MHD_socket_close_(fd);
request_free(&req);
}