* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
- * Copyright (C) 2007,2008 Øyvind Harboe *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
#include "config.h"
#endif
-#include "replacements.h"
-
#include "server.h"
-
-#include "log.h"
-#include "telnet_server.h"
#include "target.h"
-#include <command.h>
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <fcntl.h>
#include <signal.h>
+
#ifndef _WIN32
#include <netinet/tcp.h>
#endif
-service_t *services = NULL;
+
+struct service *services = NULL;
/* shutdown_openocd == 1: exit the main event loop, and quit the debugger */
static int shutdown_openocd = 0;
-int handle_shutdown_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
/* set when using pipes rather than tcp */
int server_use_pipes = 0;
-int add_connection(service_t *service, command_context_t *cmd_ctx)
+int add_connection(struct service *service, command_context_t *cmd_ctx)
{
- unsigned int address_size;
+ socklen_t address_size;
connection_t *c, **p;
int retval;
- int flag=1;
-
+ int flag = 1;
+
c = malloc(sizeof(connection_t));
c->fd = -1;
memset(&c->sin, 0, sizeof(c->sin));
if (service->type == CONNECTION_TCP)
{
address_size = sizeof(c->sin);
-
+
c->fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
-
+
/* This increases performance dramatically for e.g. GDB load which
* does not have a sliding window protocol. */
- retval=setsockopt(c->fd, /* socket affected */
+ retval = setsockopt(c->fd, /* socket affected */
IPPROTO_TCP, /* set option at TCP level */
TCP_NODELAY, /* name of option */
(char *)&flag, /* the cast is historical cruft */
sizeof(int)); /* length of option value */
-
+
LOG_INFO("accepting '%s' connection from %i", service->name, c->sin.sin_port);
if ((retval = service->new_connection(c)) != ERROR_OK)
{
else if (service->type == CONNECTION_PIPE)
{
c->fd = service->fd;
-
+
/* do not check for new connections again on stdin */
service->fd = -1;
-
+
LOG_INFO("accepting '%s' connection from pipe", service->name);
if ((retval = service->new_connection(c)) != ERROR_OK)
{
return retval;
}
}
-
+
/* add to the end of linked list */
for (p = &service->connections; *p; p = &(*p)->next);
*p = c;
-
+
service->max_connections--;
-
+
return ERROR_OK;
}
-int remove_connection(service_t *service, connection_t *connection)
+int remove_connection(struct service *service, connection_t *connection)
{
connection_t **p = &service->connections;
connection_t *c;
-
+
/* find connection */
- while((c = *p))
- {
+ while ((c = *p))
+ {
if (c->fd == connection->fd)
- {
+ {
service->connection_closed(c);
if (service->type == CONNECTION_TCP)
close_socket(c->fd);
command_done(c->cmd_ctx);
-
+
/* delete connection */
*p = c->next;
free(c);
-
+
service->max_connections++;
break;
}
-
+
/* redirect p to next list pointer */
- p = &(*p)->next;
+ p = &(*p)->next;
}
-
+
return ERROR_OK;
}
int add_service(char *name, enum connection_type type, unsigned short port, int max_connections, new_connection_handler_t new_connection_handler, input_handler_t input_handler, connection_closed_handler_t connection_closed_handler, void *priv)
{
- service_t *c, **p;
+ struct service *c, **p;
int so_reuseaddr_option = 1;
-
- c = malloc(sizeof(service_t));
-
+
+ c = malloc(sizeof(struct service));
+
c->name = strdup(name);
c->type = type;
c->port = port;
c->connection_closed = connection_closed_handler;
c->priv = priv;
c->next = NULL;
-
+
if (type == CONNECTION_TCP)
{
if ((c->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
LOG_ERROR("error creating socket: %s", strerror(errno));
exit(-1);
}
-
+
setsockopt(c->fd, SOL_SOCKET, SO_REUSEADDR, (void*)&so_reuseaddr_option, sizeof(int));
-
+
socket_nonblock(c->fd);
-
+
memset(&c->sin, 0, sizeof(c->sin));
c->sin.sin_family = AF_INET;
c->sin.sin_addr.s_addr = INADDR_ANY;
c->sin.sin_port = htons(port);
-
+
if (bind(c->fd, (struct sockaddr *)&c->sin, sizeof(c->sin)) == -1)
{
LOG_ERROR("couldn't bind to socket: %s", strerror(errno));
exit(-1);
}
-
+
#ifndef _WIN32
- int segsize=65536;
+ int segsize = 65536;
setsockopt(c->fd, IPPROTO_TCP, TCP_MAXSEG, &segsize, sizeof(int));
#endif
- int window_size = 128 * 1024;
-
+ int window_size = 128 * 1024;
+
/* These setsockopt()s must happen before the listen() */
-
+
setsockopt(c->fd, SOL_SOCKET, SO_SNDBUF,
(char *)&window_size, sizeof(window_size));
setsockopt(c->fd, SOL_SOCKET, SO_RCVBUF,
(char *)&window_size, sizeof(window_size));
-
+
if (listen(c->fd, 1) == -1)
{
LOG_ERROR("couldn't listen on socket: %s", strerror(errno));
{
/* use stdin */
c->fd = STDIN_FILENO;
-
+
#ifdef _WIN32
/* for win32 set stdin/stdout to binary mode */
if (_setmode(_fileno(stdout), _O_BINARY) < 0)
LOG_ERROR("unknown connection type: %d", type);
exit(1);
}
-
+
/* add to the end of linked list */
for (p = &services; *p; p = &(*p)->next);
*p = c;
-
+
return ERROR_OK;
}
int remove_service(unsigned short port)
{
- service_t **p = &services;
- service_t *c;
-
+ struct service **p = &services;
+ struct service *c;
+
/* find service */
- while((c = *p))
- {
+ while ((c = *p))
+ {
if (c->port == port)
- {
+ {
if (c->name)
free(c->name);
-
+
if (c->priv)
free(c->priv);
-
+
/* delete service */
*p = c->next;
free(c);
/* redirect p to next list pointer */
p = &(*p)->next;
}
-
+
return ERROR_OK;
}
int remove_services(void)
{
- service_t *c = services;
+ struct service *c = services;
/* loop service */
- while(c)
+ while (c)
{
- service_t *next = c->next;
+ struct service *next = c->next;
if (c->name)
free(c->name);
}
services = NULL;
-
+
return ERROR_OK;
}
int server_loop(command_context_t *command_context)
{
- service_t *service;
+ struct service *service;
/* used in select() */
fd_set read_fds;
struct timeval tv;
int fd_max;
-
+
/* used in accept() */
int retval;
-
+
#ifndef _WIN32
if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
LOG_ERROR("couldn't set SIGPIPE to SIG_IGN");
/* do regular tasks after at most 10ms */
tv.tv_sec = 0;
tv.tv_usec = 10000;
-
- while(!shutdown_openocd)
+
+ while (!shutdown_openocd)
{
/* monitor sockets for acitvity */
fd_max = 0;
if (service->fd > fd_max)
fd_max = service->fd;
}
-
+
if (service->connections)
{
connection_t *c;
-
+
for (c = service->connections; c; c = c->next)
{
/* check for activity on the connection */
}
}
}
-
+
#ifndef _WIN32
#if BUILD_ECOSBOARD == 0
if (server_use_pipes == 0)
openocd_sleep_prelude();
kept_alive();
-
+
/* Only while we're sleeping we'll let others run */
retval = socket_select(fd_max + 1, &read_fds, NULL, NULL, &tv);
openocd_sleep_postlude();
}
#endif
}
-
+
target_call_timer_callbacks();
process_jim_events ();
tv.tv_usec = 10000;
FD_ZERO(&read_fds); /* eCos leaves read_fds unchanged in this case! */
}
-
+
for (service = services; service; service = service->next)
{
/* handle new connections on listeners */
- if ((service->fd != -1)
- && (FD_ISSET(service->fd, &read_fds)))
+ if ((service->fd != -1)
+ && (FD_ISSET(service->fd, &read_fds)))
{
if (service->max_connections > 0)
{
if (service->type != CONNECTION_PIPE)
{
struct sockaddr_in sin;
- unsigned int address_size = sizeof(sin);
+ socklen_t address_size = sizeof(sin);
int tmp_fd;
tmp_fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
close_socket(tmp_fd);
LOG_INFO("rejected '%s' connection, no more connections allowed", service->name);
}
}
-
+
/* handle activity on connections */
if (service->connections)
{
connection_t *c;
-
+
for (c = service->connections; c;)
{
if ((FD_ISSET(c->fd, &read_fds)) || c->input_pending)
}
}
}
-
+
#ifndef _WIN32
#if BUILD_ECOSBOARD == 0
/* check for data on stdin if not using pipes */
}
#endif
}
-
+
return ERROR_OK;
}
signal(SIGBREAK, sig_handler);
signal(SIGABRT, sig_handler);
#endif
-
+
return ERROR_OK;
}
#ifdef _WIN32
WSACleanup();
- SetConsoleCtrlHandler( ControlHandler, FALSE );
+ SetConsoleCtrlHandler(ControlHandler, FALSE);
#endif
return ERROR_OK;
}
+/* tell the server we want to shut down */
+COMMAND_HANDLER(handle_shutdown_command)
+{
+ shutdown_openocd = 1;
+
+ return ERROR_COMMAND_CLOSE_CONNECTION;
+}
+
int server_register_commands(command_context_t *context)
{
- register_command(context, NULL, "shutdown", handle_shutdown_command,
- COMMAND_ANY, "shut the server down");
-
+ register_command(context, NULL, "shutdown",
+ handle_shutdown_command, COMMAND_ANY,
+ "shut the server down");
+
return ERROR_OK;
}
-/* tell the server we want to shut down */
-int handle_shutdown_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- shutdown_openocd = 1;
- return ERROR_COMMAND_CLOSE_CONNECTION;
+SERVER_PORT_COMMAND()
+{
+ switch (argc) {
+ case 0:
+ command_print(cmd_ctx, "%d", *out);
+ break;
+ case 1:
+ {
+ uint16_t port;
+ COMMAND_PARSE_NUMBER(u16, args[0], port);
+ *out = port;
+ break;
+ }
+ default:
+ return ERROR_INVALID_ARGUMENTS;
+ }
+ return ERROR_OK;
}
Code Review / openocd.git / blobdiff