From c6e5f421e2738b6005f6c3da6700b1343214f7e5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=EA=A6=8C=EA=A6=AB=EA=A6=B6=EA=A6=8F=EA=A7=80=EA=A6=A6?=
 =?UTF-8?q?=EA=A6=BF=EA=A6=A7=EA=A6=AE=EA=A6=91=EA=A6=A9=EA=A6=AD=EA=A7=80?=
 <erik@darapsa.co.id>
Date: Wed, 9 Jun 2021 19:51:18 +0800
Subject: Add support for Emscripten

---
 request.h | 46 +++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 43 insertions(+), 3 deletions(-)

(limited to 'request.h')

diff --git a/request.h b/request.h
index a943687..73b26d8 100644
--- a/request.h
+++ b/request.h
@@ -7,18 +7,34 @@
 #include <string.h>
 #include <stdarg.h>
 #include <stdio.h>
+#ifndef __EMSCRIPTEN__
 #include <curl/curl.h>
+#endif
+#include "icclient/typedefs.h"
 
+#ifdef __EMSCRIPTEN__
+extern emscripten_fetch_attr_t attr;
+#else
 extern CURL *curl;
 extern char *server_url;
+#endif
 
-inline void request(size_t (*writefunction)(void *, size_t, size_t, void *),
-		void *writedata, struct curl_httppost *post, char *fmt, ...)
+inline void request(icclient_handler writefunction, void *writedata, 
+#ifdef __EMSCRIPTEN__
+		int
+#else
+		struct curl_httppost *
+#endif
+		post, char *fmt, ...)
 {
 	va_list ap;
 	char *p, *sval;
 	unsigned int ival;
-	size_t length = strlen(server_url) + strlen(fmt);
+	size_t length =
+#ifndef __EMSCRIPTEN__
+		strlen(server_url) +
+#endif
+		strlen(fmt);
 
 	va_start(ap, fmt);
 	for (p = fmt; *p; p++) {
@@ -43,7 +59,11 @@ inline void request(size_t (*writefunction)(void *, size_t, size_t, void *),
 	va_end(ap);
 
 	char url[length + 1];
+#ifdef __EMSCRIPTEN__
+	memset(url, 0, length + 1);
+#else
 	strcpy(url, server_url);
+#endif
 
 	va_start(ap, fmt);
 	for (p = fmt; *p; p++) {
@@ -64,17 +84,36 @@ inline void request(size_t (*writefunction)(void *, size_t, size_t, void *),
 	}
 	va_end(ap);
 
+#ifdef __EMSCRIPTEN__
+	attr.onsuccess = writefunction;
+#else
 	curl_easy_setopt(curl, CURLOPT_URL, url);
 	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, writefunction);
+#endif
 	if (writedata)
+#ifdef __EMSCRIPTEN__
+		attr.userData = writedata;
+#else
 		curl_easy_setopt(curl, CURLOPT_WRITEDATA, writedata);
 	else
 		curl_easy_setopt(curl, CURLOPT_WRITEDATA, stdout);
+#endif
 	if (post)
+#ifdef __EMSCRIPTEN__
+		strcpy(attr.requestMethod, "POST");
+#else
 		curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
+#endif
 	else
+#ifdef __EMSCRIPTEN__
+		strcpy(attr.requestMethod, "GET");
+#else
 		curl_easy_setopt(curl, CURLOPT_HTTPGET, 1L);
+#endif
 
+#ifdef __EMSCRIPTEN__
+		emscripten_fetch(&attr, url);
+#else
 #ifdef DEBUG
 	CURLcode res =
 #endif
@@ -86,6 +125,7 @@ inline void request(size_t (*writefunction)(void *, size_t, size_t, void *),
 		__android_log_print(ANDROID_LOG_ERROR, "libicclient.so", "%s: %s", __func__, error);
 #else
 		fprintf(stderr, "%s: %s\n", __func__, error);
+#endif
 #endif
 	}
 #endif
-- 
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