Initial commit

2026-01-30 14:44:20 +01:00 · 2016-09-12 08:30:45 +08:00
commit 2d53cfe03f
10 changed files with 1409 additions and 0 deletions
--- a/http.c
+++ b/http.c
@@ -0,0 +1,75 @@
+#include "server.h"
+#include "html.h"
+
+int
+callback_http(struct lws *wsi, enum lws_callback_reasons reason, void *user, void *in, size_t len) {
+    unsigned char buffer[4096 + LWS_PRE];
+    unsigned char *p;
+    unsigned char *end;
+    char buf[256];
+    int n;
+
+    switch (reason) {
+        case LWS_CALLBACK_HTTP:
+            lwsl_notice("lws_http_serve: %s\n", in);
+
+            {
+                char name[100], rip[50];
+                lws_get_peer_addresses(wsi, lws_get_socket_fd(wsi), name,
+                                       sizeof(name), rip, sizeof(rip));
+                sprintf(buf, "%s (%s)", name, rip);
+                lwsl_notice("HTTP connect from %s\n", buf);
+            }
+
+            if (len < 1) {
+                lws_return_http_status(wsi, HTTP_STATUS_BAD_REQUEST, NULL);
+                goto try_to_reuse;
+            }
+
+            if (lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI))
+                return 0;
+
+            if (strcmp((const char *) in, "/")) {
+                lws_return_http_status(wsi, HTTP_STATUS_NOT_FOUND, NULL);
+                goto try_to_reuse;
+            }
+
+            p = buffer + LWS_PRE;
+            end = p + sizeof(buffer) - LWS_PRE;
+
+            if (lws_add_http_header_status(wsi, 200, &p, end))
+                return 1;
+            if (lws_add_http_header_by_token(wsi,
+                                             WSI_TOKEN_HTTP_CONTENT_TYPE,
+                                             (unsigned char *) "text/html",
+                                             9, &p, end))
+                return 1;
+            if (lws_add_http_header_content_length(wsi, index_html_len, &p, end))
+                return 1;
+            if (lws_finalize_http_header(wsi, &p, end))
+                return 1;
+            n = lws_write(wsi, buffer + LWS_PRE, p - (buffer + LWS_PRE), LWS_WRITE_HTTP_HEADERS);
+            if (n < 0) {
+                return 1;
+            }
+
+            n = lws_write_http(wsi, index_html, index_html_len);
+            if (n < 0)
+                return 1;
+            goto try_to_reuse;
+        case LWS_CALLBACK_HTTP_WRITEABLE:
+            lwsl_info("LWS_CALLBACK_HTTP_WRITEABLE\n");
+            break;
+        default:
+            break;
+    }
+
+    return 0;
+
+    /* if we're on HTTP1.1 or 2.0, will keep the idle connection alive */
+    try_to_reuse:
+    if (lws_http_transaction_completed(wsi))
+        return -1;
+
+    return 0;
+}