git-svn-id: svn://db.shs.com.ru/pip@400 12ceb7fc-bf1f-11e4-8940-5bc7170c53b5

2017-04-18 20:49:45 +00:00
parent b1b23bf89c
commit 95c1f34b45
192 changed files with 291 additions and 187 deletions
--- a/src_main/system/pisingleapplication.cpp
+++ b/src_main/system/pisingleapplication.cpp
@@ -0,0 +1,104 @@
+/*
+    PIP - Platform Independent Primitives
+	Single application
+    Copyright (C) 2016  Ivan Pelipenko peri4ko@yandex.ru
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "pisingleapplication.h"
+#include "pisharedmemory.h"
+
+#define SHM_SIZE 1024*32
+
+
+PISingleApplication::PISingleApplication(const PIString & app_name): PIThread() {
+	first = true;
+	started = false;
+	sacnt = 0;
+	shm = new PISharedMemory("sa_" + app_name, SHM_SIZE);
+	start(100);
+}
+
+
+PISingleApplication::~PISingleApplication() {
+	stop();
+	if (!waitForFinish(5000))
+		terminate();
+	delete shm;
+}
+
+
+bool PISingleApplication::isFirst() const {
+	waitFirst();
+	return first;
+}
+
+
+void PISingleApplication::sendMessage(const PIByteArray & m) {
+	waitFirst();
+	PIByteArray ba;
+	int lm[2] = {0, 0};
+	for (;;) {
+		shm->read(lm, 8);
+		if (lm[1] == 0) break;
+		piMSleep(10);
+	}
+	ba << sacnt << int(1) << m;
+	shm->write(ba);
+}
+
+
+void PISingleApplication::begin() {
+	int cnt[2] = {0, 0};
+	for (int i = 0; i < 5; ++i) {
+		cnt[1] = cnt[0];
+		shm->read(cnt, 4);
+		if (cnt[0] != cnt[1]) {
+			first = false;
+			break;
+		}
+		piMSleep(100);
+	}
+	//piCoutObj << "started" << first << shm->size();
+	readed.reserve(shm->size());
+	started = true;
+}
+
+
+void PISingleApplication::run() {
+	if (!first) return;
+	++sacnt;
+	shm->write(&sacnt, 4);
+	//piCoutObj << "write" << sacnt;
+	readed = shm->readAll();
+	int t(0), nm(0);
+	readed >> t >> nm;
+	if (nm != 0) {
+		PIByteArray msg;
+		readed >> msg;
+		if (!msg.isEmpty()) {
+			messageReceived(msg);
+			//piCoutObj << "message" << msg;
+		}
+		int wi[2] = {sacnt, 0};
+		shm->write(wi, 8);
+	}
+}
+
+
+void PISingleApplication::waitFirst() const {
+	while (!started)
+		piMSleep(50);
+}