initialize

2 files changed, 126 insertions, 0 deletions

diff --git a/example/Makefile b/example/Makefile
new file mode 100644
index 0000000..5cc82b8
--- /dev/null
+++ b/example/Makefile
@@ -0,0 +1,17 @@
+CC = gcc
+CFLAGS = -g -Wall -fPIC
+LDFLAGS = -L/usr/local/lib/
+LIB = -lmaxminddb
+OBJ = get_ip_coun.o
+TARGET = get_ip_coun_example
+
+.o:
+	$(CC) -c $(CFLAGS)
+
+$(TARGET): $(OBJ)
+	$(CC) -o $@ $(OBJ) $(LDFLAGS) $(LIB)
+
+clean: 
+	-rm $(TARGET) $(OBJ)
+
+.PHONY: clean
\ No newline at end of file
diff --git a/example/get_ip_coun.c b/example/get_ip_coun.c
new file mode 100644
index 0000000..b43ec15
--- /dev/null
+++ b/example/get_ip_coun.c
@@ -0,0 +1,109 @@
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include "../include/maxminddb.h"
+
+#define xdebug(fmt, arg...) 					\
+	do{											\
+		printf("%s %d : ", __FILE__, __LINE__);	\
+		printf(fmt, ##arg);						\
+		printf("\n");							\
+	}while(0)
+
+int main(int argc, char **argv)
+{
+	if(argc < 2)
+	{
+		xdebug("Usage : %s dbfilename IP", argv[0]);
+		return 0;
+	}
+
+	char *filename = argv[1];
+	char *ip_address = argv[2];
+
+	MMDB_s mmdb;
+	int status = MMDB_open(filename, MMDB_MODE_MMAP, &mmdb);
+
+	if(MMDB_SUCCESS != status)
+	{
+		fprintf(stderr, "\n  Can't open %s - %s\n",
+				filename, MMDB_strerror(status));
+
+		if(MMDB_IO_ERROR == status)
+		{
+			fprintf(stderr, "IO error: %s\n", strerror(errno));
+		}
+		exit(1);
+	}
+
+	int gai_error, mmdb_error;
+	
+	MMDB_lookup_result_s result =
+		MMDB_lookup_string(&mmdb, ip_address, &gai_error, &mmdb_error);
+
+	if (0 != gai_error)
+	{
+		fprintf(stderr,
+				"\n  Error from getaddrinfo for %s - %s\n\n",
+				ip_address, gai_strerror(gai_error));
+		exit(2);
+	}
+
+	if (MMDB_SUCCESS != mmdb_error)
+	{
+		fprintf(stderr,
+				"\n  Got an error from libmaxminddb: %s\n\n",
+				MMDB_strerror(mmdb_error));
+		exit(3);
+	}
+
+	// MMDB_entry_data_list_s *entry_data_list = NULL;
+	MMDB_entry_data_s entry_data;
+
+	int exit_code = 0;
+	if (result.found_entry)
+	{
+		// int status = MMDB_get_entry_data_list(&result.entry,
+		// 		&entry_data_list);
+
+		int status = MMDB_get_value(&result.entry, &entry_data, "COUNTRY", NULL);
+
+		if (MMDB_SUCCESS != status)
+		{
+			fprintf(
+					stderr,
+					"Got an error looking up the entry data - %s\n",
+					MMDB_strerror(status));
+			exit_code = 4;
+			goto end;
+		}
+
+		// if (NULL != entry_data_list) 
+		// {
+		// 	MMDB_dump_entry_data_list(stdout, entry_data_list, 2);
+		// }
+
+		if (entry_data.has_data)
+		{
+			char *name_en = malloc(sizeof(entry_data.data_size + 1));
+			memset(name_en, '\0', sizeof(entry_data.data_size + 1));
+			memcpy(name_en, entry_data.utf8_string, entry_data.data_size);
+
+			printf ("%s\n", name_en);
+			free(name_en);
+			name_en = NULL;
+		}
+	} 
+	else
+	{
+		fprintf(
+				stderr,
+				"\n  No entry for this IP address (%s) was found\n\n",
+				ip_address);
+		exit_code = 5;
+	}
+end:
+	// MMDB_free_entry_data_list(entry_data_list);
+	MMDB_close(&mmdb);
+	exit(exit_code);
+}
\ No newline at end of file