#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
+#include <arpa/inet.h>
-#include "include/swift_types.h"
-#include "include/swift_raw.h"
-#include "include/util.h"
+#include "swift_types.h"
+#include "swift_raw.h"
+#include "debug.h"
+#include "util.h"
+
+static void usage(const char *argv0)
+{
+ fprintf(stderr, "Usage: %s local_address swift_hash [remote_address]\n", argv0);
+}
/*
* Create a socket, bind it and send data.
*/
-int main(void)
+int main(int argc, char *argv[])
{
int sockfd;
struct sockaddr_sw local_addr;
ssize_t bytes_sent;
int rc;
+ if (argc != 3 && argc != 4) {
+ usage(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
sockfd = sw_socket(PF_INET, SOCK_DGRAM, IPPROTO_SWIFT);
DIE(sockfd < 0, "sw_socket");
- /* TODO: init_addr */
-
+ memset(&local_addr, 0, sizeof(local_addr));
+ inet_pton(AF_INET, argv[1], &local_addr.sin_addr.s_addr);
+ memcpy(&local_addr.sw_hash, argv[2], sizeof(struct sw_hash));
rc = sw_bind(sockfd, (struct sockaddr *) &local_addr, sizeof(local_addr));
DIE(rc < 0, "sw_bind");
- /* TODO: init remote_addr */
- bytes_sent = sw_sendto(sockfd, buffer, BUFSIZ, 0,
- (struct sockaddr *) &remote_addr, sizeof(remote_addr));
- DIE(bytes_sent < 0, "sw_sendto");
+ if (argc > 3) {
+ inet_pton(AF_INET, argv[3], &remote_addr.sin_addr.s_addr);
+ memcpy(&remote_addr.sw_hash, argv[2], sizeof(struct sw_hash));
+ bytes_sent = sw_sendto(sockfd, buffer, BUFSIZ, 0, (struct sockaddr *) &remote_addr, sizeof(remote_addr));
+ DIE(bytes_sent < 0, "sw_sendto");
+ }
return 0;
}