#include <stdlib.h>
#include <stdio.h>
-#include <libwebsockets.h>
#include <string.h>
-#include <ev.h>
-
-char *uids[10] = {
- "evelyn",
- "sera",
- "solas",
- "iron bull",
- "cassandra",
- "varric",
- "dorian",
- "vivienne",
- "blackwall",
- "cole"
-};
-#define JSON_STRING "{" \
- "\"type\": \"rfid\"," \
- "\"uid\": \"%s\"," \
- "\"size\": %d" \
- "}\n"
+#include "mt_server.h"
+#include "ev_signal_exit.h"
static const struct lws_http_mount mount = {
/* .mount_next */ NULL, /* linked-list "next" */
int number;
} per_session_data__dumb_increment;
-typedef struct user_data {
- //ev_ufr_io *ufr;
-} user_data;
+#define JSON_EMPTY "{\"type\":\"empty\"}"
+
+enum protocols {
+ PROTOCOL_HTTP = 0, // always first
+ PROTOCOL_MERICA_TERMINAL
+};
- static char line[512];
+static int callback_merica_terminal(struct lws *wsi,
+ enum lws_callback_reasons reason,
+ void *user, void *in, size_t len);
+
+/* list of supported protocols and callbacks */
+
+static struct lws_protocols protocols[] = {
+ /* first protocol must always be HTTP handler */
+ {"http", lws_callback_http_dummy, 0, 0},
+ {
+ "dumb-increment-protocol",
+ callback_merica_terminal,
+ sizeof(struct per_session_data__dumb_increment),
+ 128, /* rx buf size must be >= permessage-deflate rx size
+ * dumb-increment only sends very small packets, so we set
+ * this accordingly. If your protocol will send bigger
+ * things, adjust this to match */
+ },
+ {NULL, NULL, 0, 0} /* terminator */
+};
-static int callback_dumb_increment(struct lws *wsi,
- enum lws_callback_reasons reason,
- void *user, void *in, size_t len)
+static int callback_merica_terminal(struct lws *wsi,
+ enum lws_callback_reasons reason,
+ void *user, void *in, size_t len)
{
+ struct lws_vhost *vhost = lws_get_vhost(wsi);
+ const struct lws_protocols *prot = lws_get_protocol(wsi);
per_session_data__dumb_increment *pss =
(per_session_data__dumb_increment *)user;
per_vhost_data__dumb_increment *vhd =
(per_vhost_data__dumb_increment *)
- lws_protocol_vh_priv_get(lws_get_vhost(wsi), lws_get_protocol(wsi));
-
- struct lws_context *context = lws_get_context(wsi);
- user_data *data = (user_data *)lws_context_user(context);
+ lws_protocol_vh_priv_get(vhost, prot);
-
- unsigned char buf[LWS_PRE + 512];
- unsigned char *p = &buf[LWS_PRE];
int n, m;
+ char *line = (char *)prot->user;
+
switch (reason) {
case LWS_CALLBACK_PROTOCOL_INIT:
vhd = lws_protocol_vh_priv_zalloc(
- lws_get_vhost(wsi),
- lws_get_protocol(wsi),
+ vhost, prot,
sizeof(struct per_vhost_data__dumb_increment)
);
vhd->context = lws_get_context(wsi);
- vhd->protocol = lws_get_protocol(wsi);
- vhd->vhost = lws_get_vhost(wsi);
+ vhd->protocol = prot;
+ vhd->vhost = vhost;
break;
case LWS_CALLBACK_PROTOCOL_DESTROY:
break;
case LWS_CALLBACK_ESTABLISHED:
- pss->number = 0;
break;
case LWS_CALLBACK_SERVER_WRITEABLE:
- n = sprintf((char *)p, JSON_STRING, uids[pss->number % 10], pss->number);
- pss->number++;
- n = strlen(line);
+ n = strlen(line);
m = lws_write(wsi, line, n, LWS_WRITE_TEXT);
if (m < n) {
printf("ERROR %d writing to di socket\n", n);
break;
case LWS_CALLBACK_RECEIVE:
- if (len < 6) {
- break;
- }
- if (strcmp((const char *)in, "reset\n") == 0) {
- pss->number = 0;
- }
- if (strcmp((const char *)in, "close\n") == 0) {
+ if (strcmp((const char *)in, "reset") == 0) {
+ strcpy(line, JSON_EMPTY);
+ lws_callback_on_writable_all_protocol(lws_get_context(wsi),
+ &protocols[PROTOCOL_MERICA_TERMINAL]);
+ } else if (strcmp((const char *)in, "close") == 0) {
printf("dumb_inc: closing as requested\n");
lws_close_reason(wsi, LWS_CLOSE_STATUS_GOINGAWAY,
(unsigned char *)"seeya", 5);
return 0;
}
-enum demo_protocols {
- /* always first */
- PROTOCOL_HTTP = 0,
-
- PROTOCOL_DUMB_INCREMENT,
- PROTOCOL_LWS_MIRROR,
- PROTOCOL_LWS_STATUS,
-
- /* always last */
- DEMO_PROTOCOL_COUNT
-};
+/*static void ev_timeout_cb(EV_P_ ev_timer *w, int revents)
+{
+ lws_callback_on_writable_all_protocol(context,
+ &protocols[PROTOCOL_MERICA_TERMINAL]);
+}*/
-/* list of supported protocols and callbacks */
-static struct lws_protocols protocols[] = {
- /* first protocol must always be HTTP handler */
- {"http", lws_callback_http_dummy, 0, 0},
- {
- "dumb-increment-protocol",
- callback_dumb_increment,
- sizeof(struct per_session_data__dumb_increment),
- 128, /* rx buf size must be >= permessage-deflate rx size
- * dumb-increment only sends very small packets, so we set
- * this accordingly. If your protocol will send bigger
- * things, adjust this to match */
- },
- {NULL, NULL, 0, 0} /* terminator */
-};
+static void fd_cb(EV_P_ ev_io *w_, int revents)
+{
+ ev_io_ws *w = (ev_io_ws *)w_;
-struct lws_context *context;
+ char *pos = w->pos++;
-static void ev_timeout_cb(EV_P_ ev_timer *w, int revents)
-{
- lws_callback_on_writable_all_protocol(context,
- &protocols[PROTOCOL_DUMB_INCREMENT]);
-}
+ read(w->w.fd, pos, 1);
-static void signal_cb(EV_P_ ev_signal *w, int revents)
-{
- fprintf(stderr, "signal caught, terminating\n");
- switch (w->signum) {
- case SIGTERM:
- case SIGINT:
- ev_break(loop, EVBREAK_ALL);
- break;
- default:
- signal(SIGABRT, SIG_DFL);
- abort();
- break;
+ if (*pos == '\n') {
+ *pos = 0;
+ w->pos = w->text;
+ lws_callback_on_writable_all_protocol(w->context,
+ &protocols[PROTOCOL_MERICA_TERMINAL]);
}
-}
-
+}
-int server_init(void *user)
+int mt_server_init(mt_server_t *self, struct ev_loop *loop, int fd)
{
struct lws_context_creation_info info;
- protocols[PROTOCOL_DUMB_INCREMENT].user = (void *)line;
-
- memset(&info, 0, sizeof info);
+ memset(&info, 0, sizeof(info));
info.port = 80;
info.mounts = &mount;
info.protocols = protocols;
info.max_http_header_pool = 1;
info.options |= LWS_SERVER_OPTION_LIBEV;
- info.user = user;
- context = lws_create_context(&info);
+ struct lws_context *context = lws_create_context(&info);
if (!context) {
fprintf(stderr, "lws_create_context failed\n");
return -1;
}
- return 0;
-}
+ self->context = context;
+ ev_io_ws *w = &(self->fd_watcher);
+ w->context = context;
+ w->text = (char *)malloc(512*sizeof(char));
+ if (!w->text) {
+ perror("malloc");
+ return -1;
+ }
+ strcpy(w->text, JSON_EMPTY);
+ w->pos = w->text;
+ protocols[PROTOCOL_MERICA_TERMINAL].user = (void *)w->text;
+ ev_io_init(&(w->w), fd_cb, fd, EV_READ);
+ ev_io_start(loop, (ev_io *)w);
+ return lws_ev_initloop(context, loop, 0);
+}
-static void stdin_cb(EV_P_ ev_io *w, int revents)
+void mt_server_deinit(mt_server_t *self)
{
- static int pos = 0;
-
- read(w->fd, &line[pos++], 1);
-
- if (line[pos-1] == '\n') {
- line[pos] = 0;
- pos = 0;
-// puts(line);
- lws_callback_on_writable_all_protocol(context,
- &protocols[PROTOCOL_DUMB_INCREMENT]);
- }
-
+ //free(self->fd_watcher.text);
+ //protocols[PROTOCOL_MERICA_TERMINAL].user = NULL;
+ lws_context_destroy(self->context);
}
+#ifdef IS_MAIN
int main(int argc, const char **argv)
{
- int sigs[] = { SIGINT, SIGKILL, SIGTERM, SIGSEGV, SIGFPE };
- struct ev_signal signals[ARRAY_SIZE(sigs)];
- ev_io stdin_watcher;
struct ev_loop *loop = ev_default_loop(0);
- ev_timer timeout_watcher;
+ mt_server_t server;
- for (int n = 0; n < ARRAY_SIZE(sigs); n++) {
- ev_init(&signals[n], signal_cb);
- ev_signal_set(&signals[n], sigs[n]);
- ev_signal_start(loop, &signals[n]);
- }
+ set_signal_exit(loop);
- if (server_init(NULL) == -1) {
+ if (mt_server_init(&server, loop, STDIN_FILENO) == -1) {
return -1;
}
- lws_ev_initloop(context, loop, 0);
-
- ev_io_init(&stdin_watcher, stdin_cb, /*STDIN_FILENO*/ 0, EV_READ);
- ev_io_start(loop, &stdin_watcher);
- ev_timer_init(&timeout_watcher, ev_timeout_cb, 1, 1);
+ //ev_timer timeout_watcher;
+ //ev_timer_init(&timeout_watcher, ev_timeout_cb, 1, 1);
//ev_timer_start(loop, &timeout_watcher);
ev_run(loop, 0);
- lws_context_destroy(context);
+ mt_server_deinit(&server);
return 0;
}
+#endif
projects / coffee / mt-apps.git / blobdiff