socktest: this won't live here forever

Some initial socket testing code

diff --git a/Applications/util/socktest.c b/Applications/util/socktest.c
new file mode 100644 (file)
index 0000000..d2ad1a4
--- /dev/null
+++ b/Applications/util/socktest.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define AF_INET                1
+#define SOCK_STREAM    3
+#define IPPROTO_TCP    6
+
+struct in_addr {
+  uint32_t s_addr;
+};
+
+struct sockaddr_in {
+  uint16_t sin_family;
+  uint16_t sin_port;
+  struct in_addr sin_addr;
+  uint8_t sin_zero[8];
+};
+
+struct sockaddr_in addr = {
+  AF_INET,
+  0xEA1D,
+  { 0xF400A8C0 },
+};
+
+struct sockaddr_in laddr = {
+  AF_INET,
+  0x0A0A,
+  { 0x010000C0 },
+};
+
+int main(int argc, char *argv[])
+{
+  int fd;
+  int r;
+  char buf[5];
+  
+  fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+  if (fd < 0)
+    perror("af_inet sock_stream pf_tcp");
+  close(fd);
+      
+  fd = socket(AF_INET, SOCK_STREAM, 0);
+  if (fd < 0) {
+    perror("af_inet sock_stream 0");
+    exit(1);
+  }
+  if (bind(fd, (struct sockaddr *)&laddr, sizeof(addr)) < 0) {
+    perror("bind");
+    exit(1);
+  }
+  
+  if (connect(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+    perror("connect");
+    exit(1);
+  }
+  if (write(fd, "Hello", 5) == -1) {
+    perror("write");
+    exit(1);
+  }
+  if ((r = read(fd, buf, 5)) < 0) {
+    perror("read");
+    exit(1);
+  }
+  printf("Read %d bytes\n", r);
+  write(1, buf, r);
+  close(fd);
+  return 0;      
+}