Merge pull request #5 from sultanko/cpp_client

cpp client (tested on Linux with C++11)
JustAMan · Nov 21, 2015 · 293d96a · 293d96a
2 parents 54a4d78 + 1fd78cd
commit 293d96a
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diff --git a/clients/cpp/Debug.cpp b/clients/cpp/Debug.cpp
@@ -0,0 +1,145 @@
+#include "Debug.h"
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netdb.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+std::string Debug::DEFAULT_HOST = "127.0.0.1";
+std::string Debug::DEFAULT_PORT = "13579";
+const int Debug::BUF_SIZE = 1024;
+
+Debug::Debug()
+	: sfd(-1)
+{
+	struct addrinfo hints;
+	struct addrinfo *result, *rp;
+	int s;
+
+	/* Obtain address(es) matching host/port */
+
+	memset(&hints, 0, sizeof(struct addrinfo));
+	hints.ai_family = AF_UNSPEC;    /* Allow IPv4 or IPv6 */
+	hints.ai_socktype = SOCK_STREAM; /* Datagram socket */
+	hints.ai_flags = 0;
+	hints.ai_protocol = 0;          /* Any protocol */
+
+	s = getaddrinfo(DEFAULT_HOST.c_str(), DEFAULT_PORT.c_str(), &hints, &result);
+	if (s != 0)
+	{
+		fprintf(stderr, "Could not get address");
+		return;
+	}
+
+	for (rp = result; rp != NULL; rp = rp->ai_next) {
+	   sfd = socket(rp->ai_family, rp->ai_socktype,
+					rp->ai_protocol);
+	   if (sfd == -1)
+		   continue;
+
+	  if (connect(sfd, rp->ai_addr, rp->ai_addrlen) != -1)
+		   break;                  /* Success */
+
+	  close(sfd);
+	}
+
+	if (rp == NULL) {               /* No address succeeded */
+        fprintf(stderr, "Could not connect\n");
+		sfd = -1;
+		return;
+    }
+	freeaddrinfo(result);
+}
+
+void Debug::sendCommand(const char* str)
+{
+	if (sfd == -1)
+		return;
+	int len = strlen(str);
+	int pos = 0;
+	while (pos < len)
+	{
+		ssize_t res = write(sfd, str + pos, len);
+		if (res == -1)
+		{
+			fprintf(stderr, "Couldn't send command");
+			return;
+		}
+		pos += res;
+	}
+}
+
+void Debug::beginPre()
+{
+	sendCommand("begin pre\n");
+}
+
+void Debug::endPre()
+{
+	sendCommand("end pre\n");
+}
+
+void Debug::beginPost()
+{
+	sendCommand("begin post\n");
+}
+
+void Debug::endPost()
+{
+	sendCommand("end post\n");
+}
+
+void Debug::writeWithColor(char* buf, int32_t color)
+{
+	size_t len = strlen(buf);
+	float r = ((color & 0xFF0000) >> 16) / 256.0;
+	float g = ((color & 0x00FF00) >> 8) / 256.0;
+	float b = ((color & 0x0000FF)) / 256.0;
+	sprintf(buf + len, " %f %f %f\n", r, g, b);
+	sendCommand(buf);
+}
+
+void Debug::circle(double x, double y, double r, int32_t color)
+{
+	char buf[BUF_SIZE];
+	sprintf(buf, "circle %lf %lf %lf", x, y, r);
+	writeWithColor(buf, color);
+}
+
+void Debug::fillCircle(double x, double y, double r, int32_t color)
+{
+	char buf[BUF_SIZE];
+	sprintf(buf, "fill_circle %lf %lf %lf", x, y, r);
+	writeWithColor(buf, color);
+}
+
+void Debug::rect(double x1, double y1, double x2, double y2, int32_t color)
+{
+	char buf[BUF_SIZE];
+	sprintf(buf, "rect %lf %lf %lf %lf", x1, y1, x2, y2);
+	writeWithColor(buf, color);
+}
+
+void Debug::fillRect(double x1, double y1, double x2, double y2, int32_t color)
+{
+	char buf[BUF_SIZE];
+	sprintf(buf, "fill_rect %lf %lf %lf %lf", x1, y1, x2, y2);
+	writeWithColor(buf, color);
+}
+
+void Debug::line(double x1, double y1, double x2, double y2, int32_t color)
+{
+	char buf[BUF_SIZE];
+	sprintf(buf, "line %lf %lf %lf %lf", x1, y1, x2, y2);
+	writeWithColor(buf, color);
+}
+
+void Debug::text(double x, double y, const char* text, int32_t color)
+{
+	char buf[BUF_SIZE];
+	sprintf(buf, "text %lf %lf %s", x, y, text);
+	writeWithColor(buf, color);
+}
+
diff --git a/clients/cpp/Debug.h b/clients/cpp/Debug.h
@@ -0,0 +1,34 @@
+#ifndef VISUAL_DEBUG_CLIENT_
+#define VISUAL_DEBUG_CLIENT_
+
+#include <cstdlib>
+#include <cstdio>
+#include <string>
+
+class Debug
+{
+public:
+	static std::string DEFAULT_HOST;
+	static std::string DEFAULT_PORT;
+	static const int BUF_SIZE;
+
+	Debug();
+	void beginPre();
+	void endPre();
+	void beginPost();
+	void endPost();
+	void circle(double x, double y, double r, int32_t color = 0xFF0000);
+	void fillCircle(double x, double y, double r, int32_t color = 0xFF0000);
+	void rect(double x1, double y1, double x2, double y2, int32_t color = 0x00FF00);
+	void fillRect(double x1, double y1, double x2, double y2, int32_t color = 0x00FF00);
+	void line(double x1, double y1, double x2, double y2, int32_t color = 0x0000FF);
+	void text(double x, double y, const char* text, int32_t color = 0x000000);
+
+private:
+	void sendCommand(const char* str);
+	void writeWithColor(char* buf, int32_t color);
+
+	int sfd;
+};
+
+#endif