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testing chunks

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This commit is contained in:
Devaev Maxim 2018-09-20 04:28:21 +03:00
parent c1f48fca40
commit 605508ae1c
2 changed files with 55 additions and 25 deletions
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79
src/http.c
View File

@ -32,6 +32,7 @@ static void _http_callback_stream_write(struct bufferevent *buf_event, void *v_c
static void _http_callback_stream_error(struct bufferevent *buf_event, short what, void *v_ctx);
static void _http_send_stream(struct http_server_t *server);
static bool _http_check_clients_done(struct http_server_t *server);
static void _http_exposed_refresh(int fd, short event, void *v_server);
@ -214,41 +215,58 @@ static void _http_callback_stream_write(struct bufferevent *buf_event, void *v_c
assert((buf = evbuffer_new()));
assert(!clock_gettime(CLOCK_REALTIME, &x_timestamp_spec));
if (client->need_initial) {
if (client->offset == 0) {
if (client->need_initial) {
assert(evbuffer_add_printf(buf,
"HTTP/1.0 200 OK" RN
"Access-Control-Allow-Origin: *" RN
"Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0" RN
"Pragma: no-cache" RN
"Expires: Mon, 3 Jan 2000 12:34:56 GMT" RN
"Content-Type: multipart/x-mixed-replace;boundary=" BOUNDARY RN
RN
"--" BOUNDARY RN
));
assert(!bufferevent_write_buffer(buf_event, buf)); // FIXME
client->need_initial = false;
}
assert(evbuffer_add_printf(buf,
"HTTP/1.0 200 OK" RN
"Access-Control-Allow-Origin: *" RN
"Cache-Control: no-store, no-cache, must-revalidate, pre-check=0, post-check=0, max-age=0" RN
"Pragma: no-cache" RN
"Expires: Mon, 3 Jan 2000 12:34:56 GMT" RN
"Content-Type: multipart/x-mixed-replace;boundary=" BOUNDARY RN
RN
"--" BOUNDARY RN
"Content-Type: image/jpeg" RN
"Content-Length: %lu" RN
"X-Timestamp: %u.%06u" RN
RN,
client->server->run->exposed->picture.size * sizeof(*client->server->run->exposed->picture.data),
(unsigned)x_timestamp_spec.tv_sec,
(unsigned)(x_timestamp_spec.tv_nsec / 1000) // TODO: round?
));
assert(!bufferevent_write_buffer(buf_event, buf)); // FIXME
client->need_initial = false;
}
assert(evbuffer_add_printf(buf,
"Content-Type: image/jpeg" RN
"Content-Length: %lu" RN
"X-Timestamp: %u.%06u" RN
RN,
client->server->run->exposed->picture.size * sizeof(*client->server->run->exposed->picture.data),
(unsigned)x_timestamp_spec.tv_sec,
(unsigned)(x_timestamp_spec.tv_nsec / 1000) // TODO: round?
));
unsigned long chunk = (client->server->run->exposed->picture.size - client->offset < 4096 ? client->server->run->exposed->picture.size - client->offset : 4096);
assert(!evbuffer_add(buf,
(void *)(client->server->run->exposed->picture.data + client->offset),
chunk * sizeof(*client->server->run->exposed->picture.data)
));
client->offset += chunk;
LOG_INFO("%lu", client->offset);
/* assert(!evbuffer_add(buf,
(void *)client->server->run->exposed->picture.data,
client->server->run->exposed->picture.size * sizeof(*client->server->run->exposed->picture.data)
));
assert(evbuffer_add_printf(buf, RN "--" BOUNDARY RN));
));*/
if (client->offset >= client->server->run->exposed->picture.size) {
assert(evbuffer_add_printf(buf, RN "--" BOUNDARY RN));
}
assert(!bufferevent_write_buffer(buf_event, buf)); // FIXME
evbuffer_free(buf);
bufferevent_setcb(buf_event, NULL, NULL, _http_callback_stream_error, (void *)client);
bufferevent_enable(buf_event, EV_READ);
if (client->offset >= client->server->run->exposed->picture.size) {
bufferevent_setcb(buf_event, NULL, NULL, _http_callback_stream_error, (void *)client);
bufferevent_enable(buf_event, EV_READ);
client->offset = 0;
}
}
static void _http_callback_stream_error(UNUSED struct bufferevent *buf_event, UNUSED short what, void *v_client) {
@ -286,10 +304,21 @@ static void _http_send_stream(struct http_server_t *server) {
}
}
static bool _http_check_clients_done(struct http_server_t *server) {
struct stream_client_t *client;
for (client = server->run->stream_clients; client != NULL; client = client->next) {
if (client->offset != 0) {
return false;
}
}
return true;
}
static void _http_exposed_refresh(UNUSED int fd, UNUSED short what, void *v_server) {
struct http_server_t *server = (struct http_server_t *)v_server;
if (server->run->stream->updated) {
if (server->run->stream->updated && _http_check_clients_done(server)) {
LOG_DEBUG("Refreshing HTTP exposed ...");
A_PTHREAD_M_LOCK(&server->run->stream->mutex);

1
src/http.h
View File

@ -11,6 +11,7 @@ struct stream_client_t {
struct http_server_t *server;
struct evhttp_request *request;
bool need_initial;
unsigned long offset;
struct stream_client_t *prev;
struct stream_client_t *next;