request not inline any more

1 files changed, 168 insertions, 0 deletions

diff --git a/request.c b/request.c
new file mode 100644
index 0000000..72cbf1c
--- /dev/null
+++ b/request.c
@@ -0,0 +1,168 @@
+#if defined __ANDROID__ && defined DEBUG
+#include <android/log.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include "request.h"
+
+#ifndef __EMSCRIPTEN__
+
+#include <threads.h>
+#include <curl/curl.h>
+
+extern char *sampleurl;
+extern char *certificate;
+
+static size_t append(char *data, size_t size, size_t nmemb, icclient_response *response)
+{
+	size_t realsize = size * nmemb;
+	response->data = realloc(response->data, response->numBytes + realsize + 1);
+	memcpy(&(response->data[response->numBytes]), data, realsize);
+	response->numBytes += realsize;
+	response->data[response->numBytes] = '\0';
+	return realsize;
+}
+
+#endif
+
+void request(void (*handler)(icclient_response *), void (*callback)(void *), struct body *body, char *fmt, ...)
+{
+	va_list ap;
+	char *p, *sval;
+	unsigned int ival;
+	size_t length =
+#ifndef __EMSCRIPTEN__
+		strlen(sampleurl) +
+#endif
+		strlen(fmt);
+
+	va_start(ap, fmt);
+	for (p = fmt; *p; p++) {
+		if (*p != '%')
+			continue;
+		switch(*++p) {
+			case 's':
+				sval = va_arg(ap, char *);
+				length += strlen(sval) - 2;
+				break;
+			case 'd':
+				ival = va_arg(ap, unsigned int);
+				do {
+					length++;
+				} while ((ival /= 10));
+				length -= 2;
+				break;
+			default:
+				break;
+		}
+	}
+	va_end(ap);
+
+	char url[length + 1];
+#ifdef __EMSCRIPTEN__
+	memset(url, '\0', length + 1);
+#else
+	strcpy(url, sampleurl);
+#endif
+
+	va_start(ap, fmt);
+	for (p = fmt; *p; p++) {
+		if (*p != '%')
+			continue;
+		switch(*++p) {
+			case 's':
+				sval = va_arg(ap, char *);
+				strcat(url, sval);
+				break;
+			case 'd':
+				ival = va_arg(ap, unsigned int);
+				sprintf(url, "%s%d", url, ival);
+				break;
+			default:
+				break;
+		}
+	}
+	va_end(ap);
+
+#ifdef __EMSCRIPTEN__
+	emscripten_fetch_attr_t attr;
+	emscripten_fetch_attr_init(&attr);
+	attr.attributes = EMSCRIPTEN_FETCH_LOAD_TO_MEMORY;
+	if (handler)
+		attr.onsuccess = handler;
+	if (body) {
+		size_t length = 0;
+		char *post = malloc(1);
+		memset(post, '\0', 1);
+		for (size_t i = 0; i < body->num_pairs; i++) {
+			struct pair pair = body->pairs[i];
+			if (!pair.value)
+				continue;
+			length += strlen(pair.key) + strlen(pair.value) + (i ? 1 : 0) + 1;
+			post = realloc(post, length + 1);
+			if (i)
+				strcat(post, "&");
+			sprintf(post, "%s%s=%s", post, pair.key, pair.value);
+		}
+		strcpy(attr.requestMethod, "POST");
+		const char *headers[] = { "Content-Type", "application/x-www-form-urlencoded", NULL };
+		attr.requestHeaders = headers;
+		attr.requestData = post;
+		attr.requestDataSize = length + 1;
+		attr.userData = post;
+	} else {
+		strcpy(attr.requestMethod, "GET");
+		attr.userData = callback;
+	}
+	emscripten_fetch(&attr, url);
+#else
+	CURL *curl = curl_easy_init();
+	curl_easy_setopt(curl, CURLOPT_FOLLOWLOCATION, 1L);
+	curl_easy_setopt(curl, CURLOPT_COOKIEFILE, "");
+	if (certificate)
+		curl_easy_setopt(curl, CURLOPT_CAINFO, certificate);
+#ifdef DEBUG
+	curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
+#endif
+	curl_easy_setopt(curl, CURLOPT_URL, url);
+	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, append);
+	icclient_response *response = malloc(sizeof(icclient_response));
+	response->data = malloc(1);
+       	response->userData = callback;
+	response->numBytes = 0;
+	curl_easy_setopt(curl, CURLOPT_WRITEDATA, response);
+	struct curl_httppost *post, *last = NULL;
+	if (body) {
+		for (size_t i = 0; i < body->num_pairs; i++) {
+			struct pair pair = body->pairs[i];
+			if (!pair.value)
+				continue;
+			curl_formadd(&post, &last,
+					CURLFORM_COPYNAME, pair.key,
+					CURLFORM_PTRCONTENTS, pair.value,
+					CURLFORM_END);
+		}
+		last = NULL;
+		curl_easy_setopt(curl, CURLOPT_HTTPPOST, post);
+	} else
+		curl_easy_setopt(curl, CURLOPT_HTTPGET, 1L);
+	CURLcode res = curl_easy_perform(curl);
+	if (post)
+		curl_formfree(post);
+	if (res == CURLE_OK && handler)
+		handler(response);
+#ifdef DEBUG
+	else {
+		const char *error = curl_easy_strerror(res);
+#ifdef __ANDROID__
+		__android_log_print(ANDROID_LOG_ERROR, "libicclient.so", "%s", error);
+#else
+		fprintf(stderr, "%s\n", error);
+#endif
+	}
+#endif
+	curl_easy_cleanup(curl);
+#endif
+}