Move usbmuxd to its own folder

1 files changed, 201 insertions, 0 deletions

diff --git a/usbmuxd/main.c b/usbmuxd/main.c
new file mode 100644
index 0000000..d39b416
--- /dev/null
+++ b/usbmuxd/main.c
@@ -0,0 +1,201 @@
+/*
+	usbmuxd - iPhone/iPod Touch USB multiplex server daemon
+
+Copyright (C) 2009	Hector Martin "marcan" <hector@marcansoft.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 or version 3.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+*/
+
+#define _BSD_SOURCE
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include "log.h"
+#include "usb.h"
+#include "device.h"
+#include "client.h"
+
+static const char *socket_path = "/tmp/usbmuxd"; //TODO: CHANGEME
+int should_exit;
+
+struct sigaction sa_old;
+
+int create_socket(void) {
+	struct sockaddr_un bind_addr;
+	int listenfd;
+
+	if(unlink(socket_path) == -1 && errno != ENOENT) {
+		usbmuxd_log(LL_FATAL, "unlink(%s) failed: %s", socket_path, strerror(errno));
+		return -1;
+	}
+
+	listenfd = socket(AF_UNIX, SOCK_STREAM, 0);
+	if (listenfd == -1) {
+		usbmuxd_log(LL_FATAL, "socket() failed: %s", strerror(errno));
+		return -1;
+	}
+
+	bzero(&bind_addr, sizeof(bind_addr));
+	bind_addr.sun_family = AF_UNIX;
+	strcpy(bind_addr.sun_path, socket_path);
+	if (bind(listenfd, (struct sockaddr*)&bind_addr, sizeof(bind_addr)) != 0) {
+		usbmuxd_log(LL_FATAL, "bind() failed: %s", strerror(errno));
+		return -1;
+	}
+
+	// Start listening
+	if (listen(listenfd, 5) != 0) {
+		usbmuxd_log(LL_FATAL, "listen() failed: %s", strerror(errno));
+		return -1;
+	}
+
+	return listenfd;
+}
+
+void handle_signal(int sig)
+{
+	if(sig == SIGINT) {
+		usbmuxd_log(LL_NOTICE,"Caught SIGINT");
+	} else {
+		usbmuxd_log(LL_NOTICE,"Caught unknown signal %d", sig);
+	}
+	should_exit = 1;
+	sigaction(SIGINT, &sa_old, NULL);
+}
+
+void set_signal_handlers(void)
+{
+	struct sigaction sa;
+	memset(&sa, 0, sizeof(struct sigaction));
+	sa.sa_handler = handle_signal;
+	sigaction(SIGINT, &sa, &sa_old);
+}
+
+int main_loop(int listenfd)
+{
+	int to, cnt, i, dto;
+	struct fdlist pollfds;
+	
+	while(!should_exit) {
+		usbmuxd_log(LL_FLOOD, "main_loop iteration");
+		to = usb_get_timeout();
+		usbmuxd_log(LL_FLOOD, "USB timeout is %d ms", to);
+		dto = device_get_timeout();
+		usbmuxd_log(LL_FLOOD, "Device timeout is %d ms", to);
+		if(dto < to)
+			to = dto;
+		
+		fdlist_create(&pollfds);
+		fdlist_add(&pollfds, FD_LISTEN, listenfd, POLLIN);
+		usb_get_fds(&pollfds);
+		client_get_fds(&pollfds);
+		usbmuxd_log(LL_FLOOD, "fd count is %d", pollfds.count);
+		
+		cnt = poll(pollfds.fds, pollfds.count, to);
+		usbmuxd_log(LL_FLOOD, "poll() returned %d", cnt);
+		
+		if(cnt == -1) {
+			if(errno == EINTR && should_exit) {
+				usbmuxd_log(LL_INFO, "event processing interrupted");
+				fdlist_free(&pollfds);
+				return 0;
+			}
+		} else if(cnt == 0) {
+			if(usb_process() < 0) {
+				usbmuxd_log(LL_FATAL, "usb_process() failed");
+				fdlist_free(&pollfds);
+				return -1;
+			}
+			device_check_timeouts();
+		} else {
+			int done_usb = 0;
+			for(i=0; i<pollfds.count; i++) {
+				if(pollfds.fds[i].revents) {
+					if(!done_usb && pollfds.owners[i] == FD_USB) {
+						if(usb_process() < 0) {
+							usbmuxd_log(LL_FATAL, "usb_process() failed");
+							fdlist_free(&pollfds);
+							return -1;
+						}
+						done_usb = 1;
+					}
+					if(pollfds.owners[i] == FD_LISTEN) {
+						if(client_accept(listenfd) < 0) {
+							usbmuxd_log(LL_FATAL, "client_accept() failed");
+							fdlist_free(&pollfds);
+							return -1;
+						}
+					}
+					if(pollfds.owners[i] == FD_CLIENT) {
+						client_process(pollfds.fds[i].fd, pollfds.fds[i].revents);
+					}
+				}
+			}
+		}
+		fdlist_free(&pollfds);
+	}
+	return 0;
+}
+
+int main(int argc, char *argv[])
+{
+	int listenfd;
+	int res;
+
+	usbmuxd_log(LL_NOTICE, "usbmux v0.1 starting up");
+	should_exit = 0;
+
+	set_signal_handlers();
+
+	usbmuxd_log(LL_INFO, "Creating socket");
+	listenfd = create_socket();
+	if(listenfd < 0)
+		return 1;
+
+	client_init();
+	device_init();
+	usbmuxd_log(LL_INFO, "Initializing USB");
+	if((res = usb_init()) < 0)
+		return 2;
+	usbmuxd_log(LL_INFO, "%d device%s detected", res, (res==1)?"":"s");
+	
+	usbmuxd_log(LL_NOTICE, "Initialization complete");
+
+	res = main_loop(listenfd);
+	if(res < 0)
+		usbmuxd_log(LL_FATAL, "main_loop failed");
+
+	usbmuxd_log(LL_NOTICE, "usbmux shutting down");
+	device_kill_connections();
+	usb_shutdown();
+	device_shutdown();
+	client_shutdown();
+	usbmuxd_log(LL_NOTICE, "Shutdown complete");
+
+	if(res < 0)
+		return -res;
+	return 0;
+}