1 files changed, 55 insertions, 0 deletions
diff --git a/src/network.c b/src/network.c
new file mode 100644
index 0000000..64d217b
--- /dev/null
+++ b/src/network.c
@@ -0,0 +1,55 @@
+#include "junk/network.h"
+#include <unistd.h>
+#include <errno.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+
+#define TAG "network"
+
+int tcp_ipv4_send_packet(char* ip, char* port, char* data) {
+
+  int sock;
+  struct addrinfo hints, *p, *res;
+
+  memset(&hints, 0, sizeof hints);
+  hints.ai_family = AF_INET;
+  hints.ai_socktype = SOCK_STREAM;
+
+  if (getaddrinfo(ip, port, &hints, &res) != 0) {
+    fprintf(stderr, "%s: getaddrinfo (%d): %s\n", TAG, errno, gai_strerror(errno));
+    return errno;
+  }
+
+  if ((sock = socket(res->ai_family, res->ai_socktype, res->ai_protocol)) == -1) {
+    fprintf(stderr, "%s: socket (%d): %s\n", TAG, errno, strerror(errno));
+    return errno;
+  }
+
+  if (connect(sock, res->ai_addr, res->ai_addrlen) == -1) {
+    fprintf(stderr, "%s: connect (%d): %s\n", TAG, errno, strerror(errno));
+    return errno;
+  }
+
+  int len = strlen(data);
+  int bytes_sent = 0;
+  int total_bytes_sent = 0;
+
+  while (1) {
+    if ((bytes_sent = send(sock, data, len, 0)) == -1) {
+      fprintf(stderr, "%s: send (%d): %s\n", TAG, errno, strerror(errno));
+      return errno;
+    }
+    total_bytes_sent += bytes_sent;
+    if (bytes_sent == len) {
+      break;
+    }
+  }
+  close(sock);
+  freeaddrinfo(res);
+  return 0;
+}