141 lines
3.0 KiB
C
141 lines
3.0 KiB
C
#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "buf.h"
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#include "incoming.h"
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#include "outgoing.h"
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#include "peer.h"
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#include "receive.h"
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#include "send.h"
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#include "opts.h"
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static char *opts_split(char **arg, char delim) {
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char *split = strchr(*arg, delim);
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if (!split) {
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return NULL;
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}
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char *ret = strndup(*arg, split - *arg);
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*arg = split + 1;
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return ret;
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}
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static void opts_add_listen(char *host_port, incoming_connection_handler handler, incoming_get_hello hello, void *passthrough, uint32_t *count) {
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char *host = opts_split(&host_port, '/');
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if (host) {
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incoming_new(host, host_port, handler, hello, passthrough, count);
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free(host);
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} else {
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incoming_new(NULL, host_port, handler, hello, passthrough, count);
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}
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}
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static struct serializer *opts_get_serializer(char **arg) {
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char *format = opts_split(arg, '=');
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if (!format) {
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return NULL;
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}
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struct serializer *serializer = send_get_serializer(format);
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free(format);
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if (!serializer) {
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return NULL;
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}
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return serializer;
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}
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bool opts_add_connect_receive(char *arg) {
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char *host = opts_split(&arg, '/');
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if (!host) {
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return false;
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}
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outgoing_new(host, arg, receive_new, NULL, NULL, &peer_count_in);
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free(host);
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return true;
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}
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bool opts_add_connect_send(char *arg) {
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struct serializer *serializer = opts_get_serializer(&arg);
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if (!serializer) {
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return false;
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}
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char *host = opts_split(&arg, '/');
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if (!host) {
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return false;
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}
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outgoing_new(host, arg, send_new_wrapper, send_hello, serializer, &peer_count_out);
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free(host);
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return true;
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}
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bool opts_add_listen_receive(char *arg) {
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opts_add_listen(arg, receive_new, NULL, NULL, &peer_count_in);
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return true;
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}
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bool opts_add_listen_send(char *arg) {
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struct serializer *serializer = opts_get_serializer(&arg);
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if (!serializer) {
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return false;
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}
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opts_add_listen(arg, send_new_wrapper, send_hello, serializer, &peer_count_out);
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return true;
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}
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bool opts_add_file_read(char *arg) {
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int fd = open(arg, O_RDONLY | O_CLOEXEC);
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if (fd == -1) {
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return false;
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}
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receive_new(fd, NULL, NULL);
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return true;
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}
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bool opts_add_file_write(char *arg) {
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struct serializer *serializer = opts_get_serializer(&arg);
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if (!serializer) {
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return NULL;
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}
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int fd = open(arg, O_WRONLY | O_CREAT | O_NOFOLLOW | O_TRUNC | O_CLOEXEC, S_IRWXU);
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if (fd == -1) {
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return false;
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}
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return send_new_hello(fd, serializer, NULL);
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}
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bool opts_add_file_append(char *arg) {
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struct serializer *serializer = opts_get_serializer(&arg);
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if (!serializer) {
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return NULL;
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}
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int fd = open(arg, O_WRONLY | O_CREAT | O_NOFOLLOW | O_CLOEXEC, S_IRWXU);
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if (fd == -1) {
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return false;
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}
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return send_new_hello(fd, serializer, NULL);
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}
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bool opts_add_stdin(char __attribute__((unused)) *arg) {
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receive_new(dup(0), NULL, NULL);
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return true;
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}
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bool opts_add_stdout(char *arg) {
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struct serializer *serializer = send_get_serializer(arg);
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if (!serializer) {
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return false;
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}
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return send_new_hello(dup(1), serializer, NULL);
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}
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