Skeleton structure implementation

12 files changed, 173 insertions, 0 deletions

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..9cb714b
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,20 @@
+.PHONY: all
+
+CFLAGS += -g -Wall -Wpedantic
+CORE_OBJS = control.o reader.o config.o
+PLUGINS = reader_yhy.so
+
+%.so: CFLAGS += -shared -fPIC
+
+%.so :: %.c %.h
+	$(CC) $(CFLAGS) $< -o $@ $(LDFLAGS) $(LDLIBS)
+
+nfcommander: LDLIBS = -ldl
+
+all: nfcommander $(PLUGINS)
+
+nfcommander: nfcommander.c nfcommander.h $(CORE_OBJS)
+
+clean:
+	$(RM) nfcommander
+	$(RM) $(CORE_OBJS)
diff --git a/commander.cfg b/commander.cfg
new file mode 100644
index 0000000..ec9895f
--- /dev/null
+++ b/commander.cfg
@@ -0,0 +1,12 @@
+[nfc]
+reader=yhy
+device=/dev/ttyACM0
+mifare.defaultkeys=FFFFFFFFFFFF,000000000000
+mifare.prodkey=123456123456
+
+[control]
+bind = 0.0.0.0 7812
+
+[command play]
+chdir = commands
+exec = ./play
diff --git a/config.c b/config.c
new file mode 100644
index 0000000..f11bbb6
--- /dev/null
+++ b/config.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "nfcommander.h"
+#include "config.h"
+
+int config_read(char* path){
+	//TODO
+	printf("Reading config file %s\n", path);
+
+	return 0;
+}
+
+char* config_get(char* section, char* property){
+	//TODO
+	printf("Querying for config property %s->%s\n", section, property);
+
+	//TEMP
+	if(!strcmp(property, "reader")){
+		return "yhy";
+	}
+
+	return NULL;
+}
+
+void config_free(){
+	//TODO
+	printf("Cleaning up config data\n");
+}
diff --git a/config.h b/config.h
new file mode 100644
index 0000000..d39b6ff
--- /dev/null
+++ b/config.h
@@ -0,0 +1,3 @@
+int config_read(char* path);
+char* config_get(char* section, char* property);
+void config_free();
diff --git a/control.c b/control.c
new file mode 100644
index 0000000..2965d93
--- /dev/null
+++ b/control.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+
+#include "control.h"
+
+int control_start(){
+	//TODO
+	printf("Starting up control interface\n");
+	return 0;
+}
+
+void control_free(){
+	printf("Shutting down control interface\n");
+}
diff --git a/control.h b/control.h
new file mode 100644
index 0000000..9537682
--- /dev/null
+++ b/control.h
@@ -0,0 +1,2 @@
+int control_start();
+void control_free();
diff --git a/nfcommander.c b/nfcommander.c
new file mode 100644
index 0000000..de50ef4
--- /dev/null
+++ b/nfcommander.c
@@ -0,0 +1,37 @@
+#include <stdio.h>
+
+#include "nfcommander.h"
+#include "config.h"
+#include "reader.h"
+#include "control.h"
+
+int usage(char* fn){
+	printf("NFCommander - trigger actions based on near-field tags\n");
+	printf("\tUsage: %s <config-file>\n", fn);
+	return EXIT_FAILURE;
+}
+
+int main(int argc, char** argv){
+	if(argc < 2){
+		return usage(argv[0]);
+	}
+
+	//read configuration
+	if(config_read(argv[1])){
+		return usage(argv[0]);
+	}
+
+	//start reader api
+	reader_init();
+
+	//start control api
+	control_start();
+
+	//handle events
+	//TODO
+	
+	//clean up
+	reader_free();
+	control_free();
+	config_free();
+}
diff --git a/nfcommander.h b/nfcommander.h
new file mode 100644
index 0000000..dbab99f
--- /dev/null
+++ b/nfcommander.h
@@ -0,0 +1,8 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <inttypes.h>
+
+#ifndef NFCOMMANDER_VERSION
+        #define NFCOMMANDER_VERSION "v0.1-dev"
+#endif
+
diff --git a/reader.c b/reader.c
new file mode 100644
index 0000000..1186800
--- /dev/null
+++ b/reader.c
@@ -0,0 +1,36 @@
+#include <stdio.h>
+#include <limits.h>
+#include <dlfcn.h>
+
+#include "reader.h"
+#include "config.h"
+
+#define MAX_PLUGIN_PATH NAME_MAX
+void* reader_module = NULL;
+
+int reader_init(){
+	char plugin[MAX_PLUGIN_PATH] = "";
+	char* reader = config_get("nfc", "reader");
+
+	if(!reader){
+		printf("No reader plugin configured\n");
+		return -1;
+	}
+
+	snprintf(plugin, sizeof(plugin), "./reader_%s.so", reader);
+	reader_module = dlopen(plugin, RTLD_NOW);
+
+	if(!reader_module){
+		printf("Failed to load reader plugin %s\n", plugin);
+		return -1;
+	}
+
+	return 0;
+}
+
+void reader_free(){
+	if(reader_module){
+		dlclose(reader_module);
+		reader_module = NULL;
+	}
+}
diff --git a/reader.h b/reader.h
new file mode 100644
index 0000000..650119a
--- /dev/null
+++ b/reader.h
@@ -0,0 +1,2 @@
+int reader_init();
+void reader_free();
diff --git a/reader_yhy.c b/reader_yhy.c
new file mode 100644
index 0000000..da5be5e
--- /dev/null
+++ b/reader_yhy.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+#include "nfcommander.h"
+
+static void __attribute__((constructor)) init() {
+	printf("This is the yhy reader plugin\n");
+}
+
+static void __attribute__((destructor)) cleanup() {
+	printf("This is the yhy reader plugin cleanup\n");
+}
diff --git a/reader_yhy.h b/reader_yhy.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/reader_yhy.h