add streaming example

1 files changed, 95 insertions, 0 deletions

diff --git a/examples/chunked.c b/examples/chunked.c
new file mode 100644
index 0000000..ba8f71b
--- /dev/null
+++ b/examples/chunked.c
@@ -0,0 +1,95 @@
+#include <uvh.h>
+
+#define MAX_CHUNK 100
+
+struct chunker
+{
+    FILE *fp;
+};
+
+int stream_cb(char **chunk, void *data)
+{
+    printf("%s\n", __FUNCTION__);
+
+    struct chunker *chunker = (struct chunker *) data;
+
+    if (!chunker->fp)
+    {
+        free(chunker);
+        return 0;
+    }
+
+    *chunk = malloc(MAX_CHUNK);
+    size_t read = fread(*chunk, 1, MAX_CHUNK, chunker->fp);
+
+    if (read < MAX_CHUNK || feof(chunker->fp))
+    {
+        fclose(chunker->fp);
+        chunker->fp = NULL;
+    }
+
+    if (read == 0)
+    {
+        free(chunker);
+    }
+
+    return read;
+}
+
+int request_handler(struct uvh_request *req)
+{
+    printf("%s\n", __FUNCTION__);
+
+    FILE *fp = fopen(req->url.path, "r");
+    if (!fp)
+    {
+        uvh_request_write_status(req, HTTP_NOT_FOUND);
+        uvh_request_end(req);
+        return;
+    }
+
+    struct chunker *chunker = calloc(1, sizeof(*chunker));
+    chunker->fp = fp;
+
+    uvh_request_stream(req, stream_cb, chunker);
+
+    return 0;
+}
+
+void ctrlc_handler(uv_signal_t *handle, int signum)
+{
+    struct uvh_server *server = handle->data;
+    uvh_server_stop(server);
+    uv_close((uv_handle_t *) handle, NULL);
+    (void) signum;
+}
+
+int main()
+{
+    uv_signal_t sig;
+    struct uvh_server *server = uvh_server_init(uv_default_loop(),
+        NULL, &request_handler);
+
+    if (!server)
+        goto error;
+
+    if (uvh_server_listen(server, "127.0.0.1", 9898))
+        goto error;
+
+    uv_signal_init(uv_default_loop(), &sig);
+    sig.data = server;
+    uv_signal_start(&sig, &ctrlc_handler, SIGINT);
+
+    uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+
+    printf("done\n");
+
+    return 0;
+
+error:
+
+    fprintf(stderr, "error: %s\n",
+        uv_strerror(uv_last_error(uv_default_loop())));
+
+    return 1;
+}