responses and simple transports

1 files changed, 71 insertions, 0 deletions

diff --git a/docs/fetch-tcp.example.c b/docs/fetch-tcp.example.c
new file mode 100644
index 0000000..3d3b608
--- /dev/null
+++ b/docs/fetch-tcp.example.c
@@ -0,0 +1,71 @@
+#include <arpa/inet.h>
+#include <errno.h>
+#include <libsparklepaw/transport.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/socket.h>
+
+int main(int argc, char** argv) {
+  if (argc != 3) {
+    fprintf(stderr, "usage: %s <inet4-addr> <tcp-port>\n", argv[0]);
+    return 1;
+  }
+
+  // key for my example zone, replace it with one you can test against
+  uint8_t key[0x20] = {
+    0xc5, 0x82, 0x1e, 0x05, 0x34, 0x80, 0x17, 0x25,
+    0x3c, 0xfc, 0x80, 0x87, 0x0b, 0xca, 0x03, 0xed,
+    0x0a, 0x8b, 0x93, 0xbc, 0x33, 0x58, 0x33, 0x9e,
+    0x7e, 0xee, 0x44, 0x08, 0xff, 0xfd, 0x2c, 0x2d
+  };
+
+  struct sprkl_request* req = sprkl_request_make_fetchservice(
+    SPRKL_SIGALGO_ED25519, key, 0
+  );
+
+  // horrible awful code practices ensue. don't write your code like this, i
+  // just did this cause it's shorter for the example :3
+
+  struct sockaddr_in saddr;
+  saddr.sin_family = AF_INET;
+  saddr.sin_addr.s_addr = inet_addr(argv[1]);
+  saddr.sin_port = htons(atoi(argv[2]));
+  
+  int sock = socket(AF_INET, SOCK_STREAM, 6);
+  errno = 0;
+  if (connect(sock, (struct sockaddr*) &saddr, sizeof saddr)) {
+    fprintf(stderr, "connect error: %s\n", strerror(errno));
+    return errno;
+  }
+  
+  FILE* stream = fdopen(sock, "r+");
+  struct sprkl_transport t = sprkl_transport_make_stream(stream);
+
+  int err = sprkl_transport_sendrequest(&t, req);
+  if (err) {
+    fprintf(stderr, "req error: %s\n", sprkl_transport_strerror(&t, err));
+    return err;
+  }
+
+  struct sprkl_response resp;
+  resp.verb = req->verb;
+  err = sprkl_transport_recvresponse(&t, &resp);
+  if (err) {
+    fprintf(stderr, "resp error: %s\n", sprkl_transport_strerror(&t, err));
+    return err;
+  }
+
+  fclose(stream);
+
+  fprintf(stderr, "response status code is %x\n", resp.status);
+  if (resp.status != SPRKL_STATUS_OK) {
+    fprintf(stderr, "server said: %*s\n", resp.errmsgsz, resp.errmsg);
+  } else {
+    sprkl_service_printdebug(resp.fetchsvc.svc, stdout);
+  }
+
+  sprkl_response_freeparts(&resp, true);
+  sprkl_request_freeall(req);
+}