Move /trace and /mem to C.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4724 ed5197a5-7fde-0310-b194-c3ffbd925b24

core/core.js

@@ -988,16 +988,12 @@ loadSettings().then(function() {
 			return staticFileHandler(request, response, null, request.uri);
 		} else if (match = /^(.*)(\/(?:save|delete)?)$/.exec(request.uri)) {
 			return blobHandler(request, response, match[1], match[2]);
-		} else if (match = /^\/trace$/.exec(request.uri)) {
-			return stringResponse(response, trace());
 		} else if (match = /^\/disconnections$/.exec(request.uri)) {
 			return stringResponse(response, JSON.stringify(disconnectionsDebug(), null, 2));
 		} else if (match = /^\/debug$/.exec(request.uri)) {
 			return stringResponse(response, JSON.stringify(getDebug(), null, 2));
 		} else if (match = /^\/hitches$/.exec(request.uri)) {
 			return stringResponse(response, JSON.stringify(getHitches(), null, 2));
-		} else if (match = /^\/mem$/.exec(request.uri)) {
-			return stringResponse(response, JSON.stringify(getAllocations(), null, 2));
 		} else if ((match = /^\/.well-known\/(.*)/.exec(request.uri)) && request.uri.indexOf("..") == -1) {
 			return wellKnownHandler(request, response, match[1]);
 		} else {

src/httpd.js.c

@@ -5,6 +5,7 @@
 #include "mem.h"
 #include "task.h"
 #include "tlscontext.js.h"
+#include "trace.h"
 #include "util.js.h"
 
 #include "picohttpparser.h"
@@ -18,6 +19,8 @@
 #include <alloca.h>
 #endif
 
+#define tf_countof(a) ((int)(sizeof((a)) / sizeof(*(a))))
+
 static JSClassID _httpd_class_id;
 static JSClassID _httpd_request_class_id;
 
@@ -365,6 +368,65 @@ void _httpd_request_finalizer(JSRuntime* runtime, JSValue value)
 	tf_http_request_release(request);
 }
 
+static void _httpd_endpoint_trace(tf_http_request_t* request)
+{
+	if (_httpd_redirect(request))
+	{
+		return;
+	}
+
+	tf_task_t* task = request->user_data;
+	tf_trace_t* trace = tf_task_get_trace(task);
+	tf_trace_begin(trace, __func__);
+	char* json = tf_trace_export(trace);
+	const char* headers[] =
+	{
+		"Content-Type", "application/json; charset=utf-8",
+		"Access-Control-Allow-Origin", "*",
+	};
+	tf_http_respond(request, 200, headers, tf_countof(headers) / 2, json, json ? strlen(json) : 0);
+	tf_free(json);
+	tf_trace_end(trace);
+}
+
+static void _httpd_endpoint_mem(tf_http_request_t* request)
+{
+	if (_httpd_redirect(request))
+	{
+		return;
+	}
+
+	tf_task_t* task = request->user_data;
+	tf_trace_t* trace = tf_task_get_trace(task);
+	tf_trace_begin(trace, __func__);
+
+	char* response = NULL;
+	size_t length = 0;
+
+	int count = 0;
+	tf_mem_allocation_t* alloc = tf_mem_summarize_allocations(&count);
+	for (int i = 0; i < count; i++)
+	{
+		const char* stack = tf_util_backtrace_to_string(alloc[i].frames, alloc[i].frames_count);
+		int line = snprintf(NULL, 0, "%zd bytes in %d allocations\n%s\n\n", alloc[i].size, alloc[i].count, stack);
+		response = tf_realloc(response, length + line);
+		snprintf(response + length, line, "%zd bytes in %d allocations\n%s\n\n", alloc[i].size, alloc[i].count, stack);
+		length += line - 1;
+		tf_free((void*)stack);
+	}
+	tf_free(alloc);
+
+	const char* headers[] =
+	{
+		"Content-Type", "text/plain; charset=utf-8",
+		"Access-Control-Allow-Origin", "*",
+	};
+	tf_http_respond(request, 200, headers, tf_countof(headers) / 2, response, length);
+	tf_free(response);
+
+	tf_trace_end(trace);
+}
+
 void tf_httpd_register(JSContext* context)
 {
 	JS_NewClassID(&_httpd_class_id);
@@ -395,6 +457,9 @@ void tf_httpd_register(JSContext* context)
 	tf_http_t* http = tf_http_create(loop);
 	JS_SetOpaque(httpd, http);
 
+	tf_http_add_handler(http, "/trace", _httpd_endpoint_trace, task);
+	tf_http_add_handler(http, "/mem", _httpd_endpoint_mem, task);
+
 	JS_SetPropertyStr(context, httpd, "handlers", JS_NewObject(context));
 	JS_SetPropertyStr(context, httpd, "all", JS_NewCFunction(context, _httpd_all, "all", 2));
 	JS_SetPropertyStr(context, httpd, "registerSocketHandler", JS_NewCFunction(context, _httpd_register_socket_handler, "register_socket_handler", 2));

src/mem.c

@@ -199,7 +199,10 @@ tf_mem_allocation_t* tf_mem_summarize_allocations(int* out_count)
 {
 	summary_t summary = { 0 };
 	tf_mem_walk_allocations(_tf_mem_summarize, &summary);
+	if (summary.count)
+	{
 		qsort(summary.allocations, summary.count, sizeof(tf_mem_allocation_t), _tf_mem_size_compare);
+	}
 	*out_count = summary.count;
 	tf_mem_allocation_t* result = tf_malloc(sizeof(tf_mem_allocation_t) * summary.count);
 	if (result)

src/task.c

@@ -181,7 +181,6 @@ static JSValue _tf_task_version(JSContext* context, JSValueConst this_val, int a
 static JSValue _tf_task_platform(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 static JSValue _tf_task_get_parent(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 static JSValue _tf_task_exit(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
-static JSValue _tf_task_trace(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 static JSValue _tf_task_getStats(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 static JSValue _tf_task_getFile(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv);
 
@@ -781,22 +780,6 @@ static void _tf_task_release_export(tf_taskstub_t* stub, exportid_t exportId)
 	}
 }
 
-static JSValue _tf_task_trace(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
-{
-	tf_task_t* task = JS_GetContextOpaque(context);
-	if (!task->_trace)
-	{
-		return JS_UNDEFINED;
-	}
-
-	tf_trace_begin(task->_trace, __func__);
-	char* trace = tf_trace_export(task->_trace);
-	JSValue result = JS_NewString(context, trace);
-	tf_free(trace);
-	tf_trace_end(task->_trace);
-	return result;
-}
-
 static JSValue _tf_task_getStats(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
 {
 	tf_task_t* task = JS_GetContextOpaque(context);
@@ -938,32 +921,6 @@ static JSValue _tf_task_getHitches(JSContext* context, JSValueConst this_val, in
 	return result;
 }
 
-static JSValue _tf_task_getAllocations(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
-{
-	tf_task_t* task = JS_GetContextOpaque(context);
-	tf_trace_begin(task->_trace, __func__);
-	JSValue result = JS_NewObject(context);
-
-	int count = 0;
-	tf_mem_allocation_t* allocation_info = tf_mem_summarize_allocations(&count);
-
-	JSValue allocations = JS_NewArray(context);
-	JS_SetPropertyStr(context, result, "allocations", allocations);
-	for (int i = 0; i < count; i++)
-	{
-		JSValue allocation = JS_NewObject(context);
-		JS_SetPropertyStr(context, allocation, "size", JS_NewInt64(context, allocation_info[i].size));
-		JS_SetPropertyStr(context, allocation, "count", JS_NewInt32(context, allocation_info[i].count));
-		const char* stack = tf_util_backtrace_to_string(allocation_info[i].frames, allocation_info[i].frames_count);
-		JS_SetPropertyStr(context, allocation, "stack", JS_NewString(context, stack ? stack : ""));
-		tf_free((void*)stack);
-		JS_SetPropertyUint32(context, allocations, i, allocation);
-	}
-	tf_free(allocation_info);
-	tf_trace_end(task->_trace);
-	return result;
-}
-
 static JSValue _tf_task_disconnectionsDebug(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
 {
 	tf_task_t* task = JS_GetContextOpaque(context);
@@ -1746,11 +1703,10 @@ void tf_task_activate(tf_task_t* task)
 			tf_ssb_server_open(task->_ssb, task->_ssb_port);
 		}
 
-		JS_SetPropertyStr(context, global, "trace", JS_NewCFunction(context, _tf_task_trace, "trace", 1));
 		JS_SetPropertyStr(context, global, "getStats", JS_NewCFunction(context, _tf_task_getStats, "getStats", 0));
+
 		JS_SetPropertyStr(context, global, "getDebug", JS_NewCFunction(context, _tf_task_getDebug, "getDebug", 0));
 		JS_SetPropertyStr(context, global, "getHitches", JS_NewCFunction(context, _tf_task_getHitches, "getHitches", 0));
-		JS_SetPropertyStr(context, global, "getAllocations", JS_NewCFunction(context, _tf_task_getAllocations, "getAllocations", 0));
 		JS_SetPropertyStr(context, global, "disconnectionsDebug", JS_NewCFunction(context, _tf_task_disconnectionsDebug, "disconnectionsDebug", 0));
 	}
 	else