From 971c71f0ff4b7f8f0e3300322fce1dbb5875334c Mon Sep 17 00:00:00 2001
From: erickson <erickson@9efc2488-bf62-4759-914b-345cdb29e865>
Date: Fri, 2 Sep 2005 19:39:22 +0000
Subject: [PATCH] math server (really dbmath code)

git-svn-id: svn://svn.open-ils.org/OpenSRF/trunk@519 9efc2488-bf62-4759-914b-345cdb29e865
---
 src/c-apps/Makefile    | 15 +++++++++++
 src/c-apps/osrf_math.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 src/c-apps/Makefile
 create mode 100644 src/c-apps/osrf_math.c

diff --git a/src/c-apps/Makefile b/src/c-apps/Makefile
new file mode 100644
index 0000000..592b0ca
--- /dev/null
+++ b/src/c-apps/Makefile
@@ -0,0 +1,15 @@
+LDLIBS += -lobjson -lopensrf
+
+
+all:	osrf_math.so
+
+osrf_math.o: osrf_math.c
+
+osrf_math.so: osrf_math.o
+	$(CC) -shared -W1 $(LDLIBS) $(LDFLAGS) osrf_math.o -o $(TMPDIR)/osrf_math.so
+
+install:
+	cp $(TMPDIR)/osrf_math.so $(LIBDIR)/
+
+clean:
+	rm -f *.o *.so
diff --git a/src/c-apps/osrf_math.c b/src/c-apps/osrf_math.c
new file mode 100644
index 0000000..0d548ba
--- /dev/null
+++ b/src/c-apps/osrf_math.c
@@ -0,0 +1,68 @@
+#include "opensrf/osrf_app_session.h"
+#include "opensrf/osrf_application.h"
+#include "objson/object.h"
+
+int initialize();
+int childInit();
+int osrfMathRun( osrfMethodDispatcher* );
+
+
+int initialize() {
+	osrfAppRegisterMethod( "opensrf.math", "add", "osrfMathRun", "send 2 numbers and I'll add them", 2 );
+	osrfAppRegisterMethod( "opensrf.math", "sub", "osrfMathRun", "send 2 numbers and I'll divide them", 2 );
+	osrfAppRegisterMethod( "opensrf.math", "mult", "osrfMathRun", "send 2 numbers and I'll multiply them", 2 );
+	osrfAppRegisterMethod( "opensrf.math", "div", "osrfMathRun", "send 2 numbers and I'll subtract them", 2 );
+	return 0;
+}
+
+int childInit() {
+	return 0;
+}
+
+int osrfMathRun( osrfMethodDispatcher* d ) {
+
+	/*
+		OSRF_METHOD_VERIFY_DISPATCHER(d)	
+		Verifies viability of the dispatcher components.
+		Checks for NULLness of key components.
+		Creates local variables :
+		session - the app session ( osrfAppSession* )
+		method - the method ( osrfMethod* )
+		params - the methd parameters ( jsonObject* )
+		request - the request id ( int ) */
+
+	OSRF_METHOD_VERIFY_DISPATCHER(d);	
+
+	jsonObject* x = jsonObjectGetIndex(params, 0);
+	jsonObject* y = jsonObjectGetIndex(params, 1);
+
+	if( x && y ) {
+
+		char* a = jsonObjectToSimpleString(x);
+		char* b = jsonObjectToSimpleString(y);
+
+		if( a && b ) {
+
+			double i = strtod(a, NULL);
+			double j = strtod(b, NULL);
+			double r = 0;
+
+			if(!strcmp(method->name, "add"))		r = i + j;
+			if(!strcmp(method->name, "sub"))		r = i - j;
+			if(!strcmp(method->name, "mult"))	r = i * j;
+			if(!strcmp(method->name, "div"))		r = i / j;
+
+			jsonObject* resp = jsonNewNumberObject(r);
+			osrfAppRequestRespond( session, request, resp );
+			jsonObjectFree(resp);
+
+			free(a); free(b);
+			return 0;
+		}
+	}
+
+	return -1;
+}
+
+
+
-- 
2.11.0