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authoroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-02-25 08:08:31 +0000
committeroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>2008-02-25 08:08:31 +0000
commit4edcbe0a54505f6b44d23983c842b52cbaae1dc0 (patch)
treed2f65f76ae95b70cd5b034cd8163bf2503b028f7 /src/server
parentbcb0124b1501fb42659cdc2a343dec173aaa196a (diff)
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committed bugfix from Michael Bruck
git-svn-id: svn://svn.berlios.de/openocd/trunk@340 b42882b7-edfa-0310-969c-e2dbd0fdcd60
Diffstat (limited to 'src/server')
-rw-r--r--src/server/server.c892
1 files changed, 446 insertions, 446 deletions
diff --git a/src/server/server.c b/src/server/server.c
index 6e43cf7c..0aa33834 100644
--- a/src/server/server.c
+++ b/src/server/server.c
@@ -1,450 +1,450 @@
-/***************************************************************************
- * Copyright (C) 2005 by Dominic Rath *
- * Dominic.Rath@gmx.de *
- * *
- * 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 of the License, or *
- * (at your option) any later version. *
- * *
- * 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. *
- ***************************************************************************/
-#ifdef HAVE_CONFIG_H
-#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>
-
-service_t *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);
-
-int add_connection(service_t *service, command_context_t *cmd_ctx)
-{
- unsigned int address_size;
- connection_t *c, **p;
- int retval;
-
- c = malloc(sizeof(connection_t));
- c->fd = -1;
- memset(&c->sin, 0, sizeof(c->sin));
- c->cmd_ctx = copy_command_context(cmd_ctx);
- c->service = service;
- c->input_pending = 0;
- c->priv = NULL;
- c->next = NULL;
-
- address_size = sizeof(c->sin);
- c->fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
-
- if ((retval = service->new_connection(c)) == ERROR_OK)
- {
- INFO("accepted '%s' connection from %i", service->name, c->sin.sin_port);
- }
- else
- {
- close_socket(c->fd);
- INFO("attempted '%s' connection rejected", service->name);
- free(c);
- }
-
- /* 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)
-{
- connection_t **p = &service->connections;
- connection_t *c;
-
- /* find connection */
- while(c = *p)
- {
- if (c->fd == connection->fd)
- {
- service->connection_closed(c);
- 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;
- }
-
- 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;
- int so_reuseaddr_option = 1;
-
- c = malloc(sizeof(service_t));
-
- c->name = strdup(name);
- c->type = type;
- c->port = port;
- c->max_connections = max_connections;
- c->fd = -1;
- c->connections = NULL;
- c->new_connection = new_connection_handler;
- c->input = input_handler;
- c->connection_closed = connection_closed_handler;
- c->priv = priv;
- c->next = NULL;
-
- if ((c->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
- {
- 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)
- {
- ERROR("couldn't bind to socket: %s", strerror(errno));
- exit(-1);
- }
-
- if (listen(c->fd, 1) == -1)
- {
- ERROR("couldn't listen on socket: %s", strerror(errno));
- 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;
-
- /* find service */
- 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()
-{
- service_t *c = services;
-
- /* loop service */
- while(c)
- {
- service_t *next = c->next;
-
- if (c->name)
- free(c->name);
-
- if (c->priv)
- free(c->priv);
-
- /* delete service */
- free(c);
-
- /* remember the last service for unlinking */
- c = next;
- }
-
- services = NULL;
-
- return ERROR_OK;
-}
-
-int server_loop(command_context_t *command_context)
-{
- service_t *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)
- ERROR("couldn't set SIGPIPE to SIG_IGN");
-#endif
-
- /* do regular tasks after at most 10ms */
- tv.tv_sec = 0;
- tv.tv_usec = 10000;
-
- while(!shutdown_openocd)
- {
- /* monitor sockets for acitvity */
- fd_max = 0;
- FD_ZERO(&read_fds);
-
- /* add service and connection fds to read_fds */
- for (service = services; service; service = service->next)
- {
- if (service->fd != -1)
- {
- /* listen for new connections */
- FD_SET(service->fd, &read_fds);
-
- 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 */
- FD_SET(c->fd, &read_fds);
- if (c->fd > fd_max)
- fd_max = c->fd;
- }
- }
- }
-
-#ifndef _WIN32
- /* add STDIN to read_fds */
- FD_SET(fileno(stdin), &read_fds);
-#endif
-
- retval = select(fd_max + 1, &read_fds, NULL, NULL, &tv);
-
- if (retval == -1)
- {
-#ifdef _WIN32
-
- errno = WSAGetLastError();
-
- if (errno == WSAEINTR)
- FD_ZERO(&read_fds);
- else
- {
- ERROR("error during select: %s", strerror(errno));
- exit(-1);
- }
-#else
-
- if (errno == EINTR)
+/***************************************************************************
+ * Copyright (C) 2005 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * 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 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * 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. *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#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>
+
+service_t *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);
+
+int add_connection(service_t *service, command_context_t *cmd_ctx)
+{
+ unsigned int address_size;
+ connection_t *c, **p;
+ int retval;
+
+ c = malloc(sizeof(connection_t));
+ c->fd = -1;
+ memset(&c->sin, 0, sizeof(c->sin));
+ c->cmd_ctx = copy_command_context(cmd_ctx);
+ c->service = service;
+ c->input_pending = 0;
+ c->priv = NULL;
+ c->next = NULL;
+
+ address_size = sizeof(c->sin);
+ c->fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
+
+ if ((retval = service->new_connection(c)) == ERROR_OK)
+ {
+ INFO("accepted '%s' connection from %i", service->name, c->sin.sin_port);
+ }
+ else
+ {
+ close_socket(c->fd);
+ INFO("attempted '%s' connection rejected", service->name);
+ free(c);
+ }
+
+ /* 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)
+{
+ connection_t **p = &service->connections;
+ connection_t *c;
+
+ /* find connection */
+ while(c = *p)
+ {
+ if (c->fd == connection->fd)
+ {
+ service->connection_closed(c);
+ 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;
+ }
+
+ 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;
+ int so_reuseaddr_option = 1;
+
+ c = malloc(sizeof(service_t));
+
+ c->name = strdup(name);
+ c->type = type;
+ c->port = port;
+ c->max_connections = max_connections;
+ c->fd = -1;
+ c->connections = NULL;
+ c->new_connection = new_connection_handler;
+ c->input = input_handler;
+ c->connection_closed = connection_closed_handler;
+ c->priv = priv;
+ c->next = NULL;
+
+ if ((c->fd = socket(AF_INET, SOCK_STREAM, 0)) == -1)
+ {
+ 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)
+ {
+ ERROR("couldn't bind to socket: %s", strerror(errno));
+ exit(-1);
+ }
+
+ if (listen(c->fd, 1) == -1)
+ {
+ ERROR("couldn't listen on socket: %s", strerror(errno));
+ 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;
+
+ /* find service */
+ 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()
+{
+ service_t *c = services;
+
+ /* loop service */
+ while(c)
+ {
+ service_t *next = c->next;
+
+ if (c->name)
+ free(c->name);
+
+ if (c->priv)
+ free(c->priv);
+
+ /* delete service */
+ free(c);
+
+ /* remember the last service for unlinking */
+ c = next;
+ }
+
+ services = NULL;
+
+ return ERROR_OK;
+}
+
+int server_loop(command_context_t *command_context)
+{
+ service_t *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)
+ ERROR("couldn't set SIGPIPE to SIG_IGN");
+#endif
+
+ /* do regular tasks after at most 10ms */
+ tv.tv_sec = 0;
+ tv.tv_usec = 10000;
+
+ while(!shutdown_openocd)
+ {
+ /* monitor sockets for acitvity */
+ fd_max = 0;
+ FD_ZERO(&read_fds);
+
+ /* add service and connection fds to read_fds */
+ for (service = services; service; service = service->next)
+ {
+ if (service->fd != -1)
{
- FD_ZERO(&read_fds);
+ /* listen for new connections */
+ FD_SET(service->fd, &read_fds);
+
+ if (service->fd > fd_max)
+ fd_max = service->fd;
}
- else
- {
- ERROR("error during select: %s", strerror(errno));
- exit(-1);
- }
-#endif
- }
-
- target_call_timer_callbacks();
-
- if (retval == 0)
- {
- /* do regular tasks after at most 100ms */
- tv.tv_sec = 0;
- tv.tv_usec = 10000;
+
+ if (service->connections)
+ {
+ connection_t *c;
+
+ for (c = service->connections; c; c = c->next)
+ {
+ /* check for activity on the connection */
+ FD_SET(c->fd, &read_fds);
+ if (c->fd > fd_max)
+ fd_max = c->fd;
+ }
+ }
+ }
+
+#ifndef _WIN32
+ /* add STDIN to read_fds */
+ FD_SET(fileno(stdin), &read_fds);
+#endif
+
+ retval = select(fd_max + 1, &read_fds, NULL, NULL, &tv);
+
+ if (retval == -1)
+ {
+#ifdef _WIN32
+
+ errno = WSAGetLastError();
+
+ if (errno == WSAEINTR)
+ FD_ZERO(&read_fds);
+ else
+ {
+ ERROR("error during select: %s", strerror(errno));
+ exit(-1);
+ }
+#else
+
+ if (errno == EINTR)
+ {
+ FD_ZERO(&read_fds);
+ }
+ else
+ {
+ ERROR("error during select: %s", strerror(errno));
+ exit(-1);
+ }
+#endif
+ }
+
+ target_call_timer_callbacks();
+
+ if (retval == 0)
+ {
+ /* do regular tasks after at most 100ms */
+ tv.tv_sec = 0;
+ 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->max_connections > 0)
+ }
+
+ for (service = services; service; service = service->next)
+ {
+ /* handle new connections on listeners */
+ if ((service->fd != -1)
+ && (FD_ISSET(service->fd, &read_fds)))
+ {
+ if (service->max_connections > 0)
+ {
+ add_connection(service, command_context);
+ }
+ else
+ {
+ struct sockaddr_in sin;
+ unsigned int address_size = sizeof(sin);
+ int tmp_fd;
+ tmp_fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
+ close_socket(tmp_fd);
+ 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;)
{
- add_connection(service, command_context);
- }
- else
- {
- struct sockaddr_in sin;
- unsigned int address_size = sizeof(sin);
- int tmp_fd;
- tmp_fd = accept(service->fd, (struct sockaddr *)&service->sin, &address_size);
- close_socket(tmp_fd);
- 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)
- {
- if (service->input(c) != ERROR_OK)
- {
- connection_t *next = c->next;
- remove_connection(service, c);
- INFO("dropped '%s' connection", service->name);
- c = next;
- continue;
- }
- }
- c = c->next;
- }
- }
- }
-
-#ifndef _WIN32
- if (FD_ISSET(fileno(stdin), &read_fds))
- {
- if (getc(stdin) == 'x')
- {
- shutdown_openocd = 1;
- }
- }
-#else
- MSG msg;
- while (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
- {
- if (msg.message == WM_QUIT)
- shutdown_openocd = 1;
- }
-#endif
- }
-
- return ERROR_OK;
-}
-
-#ifdef _WIN32
-BOOL WINAPI ControlHandler(DWORD dwCtrlType)
-{
- shutdown_openocd = 1;
- return TRUE;
-}
-
-void sig_handler(int sig) {
- shutdown_openocd = 1;
-}
-#endif
-
-int server_init()
-{
-#ifdef _WIN32
- WORD wVersionRequested;
- WSADATA wsaData;
-
- wVersionRequested = MAKEWORD( 2, 2 );
-
- if (WSAStartup(wVersionRequested, &wsaData) != 0)
- {
- ERROR("Failed to Open Winsock");
- exit(-1);
- }
-
- SetConsoleCtrlHandler( ControlHandler, TRUE );
-
- signal(SIGINT, sig_handler);
- signal(SIGTERM, sig_handler);
- signal(SIGBREAK, sig_handler);
- signal(SIGABRT, sig_handler);
-#endif
-
-
- return ERROR_OK;
-}
-
-int server_quit()
-{
- remove_services();
-
-#ifdef _WIN32
- WSACleanup();
- SetConsoleCtrlHandler( ControlHandler, FALSE );
-#endif
-
- return ERROR_OK;
-}
-
-int server_register_commands(command_context_t *context)
-{
- 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;
-}
-
-
+ if ((FD_ISSET(c->fd, &read_fds)) || c->input_pending)
+ {
+ if (service->input(c) != ERROR_OK)
+ {
+ connection_t *next = c->next;
+ remove_connection(service, c);
+ INFO("dropped '%s' connection", service->name);
+ c = next;
+ continue;
+ }
+ }
+ c = c->next;
+ }
+ }
+ }
+
+#ifndef _WIN32
+ if (FD_ISSET(fileno(stdin), &read_fds))
+ {
+ if (getc(stdin) == 'x')
+ {
+ shutdown_openocd = 1;
+ }
+ }
+#else
+ MSG msg;
+ while (PeekMessage(&msg,NULL,0,0,PM_REMOVE))
+ {
+ if (msg.message == WM_QUIT)
+ shutdown_openocd = 1;
+ }
+#endif
+ }
+
+ return ERROR_OK;
+}
+
+#ifdef _WIN32
+BOOL WINAPI ControlHandler(DWORD dwCtrlType)
+{
+ shutdown_openocd = 1;
+ return TRUE;
+}
+
+void sig_handler(int sig) {
+ shutdown_openocd = 1;
+}
+#endif
+
+int server_init()
+{
+#ifdef _WIN32
+ WORD wVersionRequested;
+ WSADATA wsaData;
+
+ wVersionRequested = MAKEWORD( 2, 2 );
+
+ if (WSAStartup(wVersionRequested, &wsaData) != 0)
+ {
+ ERROR("Failed to Open Winsock");
+ exit(-1);
+ }
+
+ SetConsoleCtrlHandler( ControlHandler, TRUE );
+
+ signal(SIGINT, sig_handler);
+ signal(SIGTERM, sig_handler);
+ signal(SIGBREAK, sig_handler);
+ signal(SIGABRT, sig_handler);
+#endif
+
+
+ return ERROR_OK;
+}
+
+int server_quit()
+{
+ remove_services();
+
+#ifdef _WIN32
+ WSACleanup();
+ SetConsoleCtrlHandler( ControlHandler, FALSE );
+#endif
+
+ return ERROR_OK;
+}
+
+int server_register_commands(command_context_t *context)
+{
+ 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;
+}
+
+