wget2/examples/quic_write_read.c

/**
 * Demostrate write and read using QUIC stack with a QUIC echo
 * server set up at local host.
*/

#include <wget.h>
#include <string.h>

int main(void){
    int ret;
    const uint16_t port = 5556;
    const char *hostname = "localhost";

    wget_logger_set_stream(wget_get_logger(WGET_LOGGER_DEBUG), stderr);
	wget_logger_set_stream(wget_get_logger(WGET_LOGGER_ERROR), stderr);
	wget_logger_set_stream(wget_get_logger(WGET_LOGGER_INFO), stdout);

	wget_quic *quic = wget_quic_init();
	if (!quic) {
		fprintf(stderr, "Error in wget_quic_init()\n");
        return -1;
	}

    const char *key_path = "/home/hmk/wget2/examples/credentials/ca.pem";
    wget_ssl_quic_set_config_string(WGET_SSL_CA_FILE, key_path);
    wget_quic_set_ssl_hostname(quic, hostname);


    ret = wget_quic_connect(quic, hostname, port);
	if (ret < 0) {
		fprintf(stderr, "Error in wget_quic_connect()\n");
		wget_quic_deinit(&quic);
        return -1;
	}

    wget_quic_stream *stream = wget_quic_stream_init_bidirectional(quic);
    if (!stream) {
        fprintf(stderr, "ERROR: wget_quic_stream_init_bidirectional\n");
        return -1;
    }

    const char *data = "Hello World!";
    ret = wget_quic_stream_push(stream, data, strlen(data), REQUEST_BYTE);
    if (ret <= 0) {
        fprintf(stderr, "ERROR: wget_quic_stream_push\n");
        return -1;
    }

    while (1) {
	    ret = wget_quic_rw_once(quic, stream, data);
        if (ret < 0) {
            break;
        }
    }

    return ret;
}