From: Christophe Fergeau <cfergeau@xxxxxxxxxx>
VDIPortState and VDIReadBuf don't really need to be defined in a header
file as they are only used in reds.c
---
server/reds-private.h | 56 +----------------
server/reds.c | 169 +++++++++++++++++++++++++++++++++-----------------
2 files changed, 114 insertions(+), 111 deletions(-)
diff --git a/server/reds-private.h b/server/reds-private.h
index b78e25d..8842aad 100644
--- a/server/reds-private.h
+++ b/server/reds-private.h
@@ -40,58 +40,6 @@ typedef struct MonitorMode {
uint32_t y_res;
} MonitorMode;
-typedef struct VDIPortState VDIPortState;
-
-typedef struct VDIReadBuf {
- VDIPortState *state;
- RingItem link;
- uint32_t refs;
-
- int len;
- uint8_t data[SPICE_AGENT_MAX_DATA_SIZE];
-} VDIReadBuf;
-
-enum {
- VDI_PORT_READ_STATE_READ_HEADER,
- VDI_PORT_READ_STATE_GET_BUFF,
- VDI_PORT_READ_STATE_READ_DATA,
-};
-
-struct VDIPortState {
- RedCharDevice *base;
- uint32_t plug_generation;
- int client_agent_started;
-
- /* write to agent */
- RedCharDeviceWriteBuffer *recv_from_client_buf;
- int recv_from_client_buf_pushed;
- AgentMsgFilter write_filter;
-
- /* read from agent */
- Ring read_bufs;
- uint32_t read_state;
- uint32_t message_receive_len;
- uint8_t *receive_pos;
- uint32_t receive_len;
- VDIReadBuf *current_read_buf;
- AgentMsgFilter read_filter;
-
- VDIChunkHeader vdi_chunk_header;
-
- SpiceMigrateDataMain *mig_data; /* storing it when migration data arrives
- before agent is attached */
-};
-
-/* messages that are addressed to the agent and are created in the server */
-typedef struct __attribute__ ((__packed__)) VDInternalBuf {
- VDIChunkHeader chunk_header;
- VDAgentMessage header;
- union {
- VDAgentMouseState mouse_state;
- }
- u;
-} VDInternalBuf;
-
#ifdef RED_STATISTICS
#define REDS_MAX_STAT_NODES 100
@@ -140,12 +88,14 @@ typedef struct RedSSLParameters {
char ciphersuite[256];
} RedSSLParameters;
+typedef struct VDIPortState VDIPortState;
+
struct RedsState {
int listen_socket;
int secure_listen_socket;
SpiceWatch *listen_watch;
SpiceWatch *secure_listen_watch;
- VDIPortState agent_state;
+ VDIPortState *agent_state;
int pending_mouse_event;
Ring clients;
int num_clients;
diff --git a/server/reds.c b/server/reds.c
index 03bc207..7538d9b 100644
--- a/server/reds.c
+++ b/server/reds.c
@@ -166,6 +166,57 @@ struct ChannelSecurityOptions {
ChannelSecurityOptions *next;
};
+typedef struct VDIReadBuf {
+ VDIPortState *state;
+ RingItem link;
+ uint32_t refs;
+
+ int len;
+ uint8_t data[SPICE_AGENT_MAX_DATA_SIZE];
+} VDIReadBuf;
+
+enum {
+ VDI_PORT_READ_STATE_READ_HEADER,
+ VDI_PORT_READ_STATE_GET_BUFF,
+ VDI_PORT_READ_STATE_READ_DATA,
+};
+
+struct VDIPortState {
+ RedCharDevice *base;
+ uint32_t plug_generation;
+ int client_agent_started;
+
+ /* write to agent */
+ RedCharDeviceWriteBuffer *recv_from_client_buf;
+ int recv_from_client_buf_pushed;
+ AgentMsgFilter write_filter;
+
+ /* read from agent */
+ Ring read_bufs;
+ uint32_t read_state;
+ uint32_t message_receive_len;
+ uint8_t *receive_pos;
+ uint32_t receive_len;
+ VDIReadBuf *current_read_buf;
+ AgentMsgFilter read_filter;
+
+ VDIChunkHeader vdi_chunk_header;
+
+ SpiceMigrateDataMain *mig_data; /* storing it when migration data arrives
+ before agent is attached */
+};
+
+/* messages that are addressed to the agent and are created in the server */
+typedef struct __attribute__ ((__packed__)) VDInternalBuf {
+ VDIChunkHeader chunk_header;
+ VDAgentMessage header;
+ union {
+ VDAgentMouseState mouse_state;
+ }
+ u;
+} VDInternalBuf;
+
+
static void migrate_timeout(void *opaque);
static RedsMigTargetClient* reds_mig_target_client_find(RedsState *reds, RedClient *client);
static void reds_mig_target_client_free(RedsMigTargetClient *mig_client);
@@ -396,7 +447,7 @@ static void reds_mig_cleanup(RedsState *reds)
static void reds_reset_vdp(RedsState *reds)
{
- VDIPortState *state = &reds->agent_state;
+ VDIPortState *state = reds->agent_state;
SpiceCharDeviceInterface *sif;
state->read_state = VDI_PORT_READ_STATE_READ_HEADER;
@@ -485,11 +536,11 @@ void reds_client_disconnect(RedsState *reds, RedClient *client)
reds_mig_remove_wait_disconnect_client(reds, client);
}
- if (reds->agent_state.base) {
+ if (reds->agent_state->base) {
/* note that vdagent might be NULL, if the vdagent was once
* up and than was removed */
- if (red_char_device_client_exists(reds->agent_state.base, client)) {
- red_char_device_client_remove(reds->agent_state.base, client);
+ if (red_char_device_client_exists(reds->agent_state->base, client)) {
+ red_char_device_client_remove(reds->agent_state->base, client);
}
}
@@ -501,14 +552,14 @@ void reds_client_disconnect(RedsState *reds, RedClient *client)
// if we are in the middle of one from another client)
if (reds->num_clients == 0) {
/* Let the agent know the client is disconnected */
- if (reds->agent_state.base) {
+ if (reds->agent_state->base) {
RedCharDeviceWriteBuffer *char_dev_buf;
VDInternalBuf *internal_buf;
uint32_t total_msg_size;
total_msg_size = sizeof(VDIChunkHeader) + sizeof(VDAgentMessage);
char_dev_buf = red_char_device_write_buffer_get_server_no_token(
- reds->agent_state.base, total_msg_size);
+ reds->agent_state->base, total_msg_size);
char_dev_buf->buf_used = total_msg_size;
internal_buf = (VDInternalBuf *)char_dev_buf->buf;
internal_buf->chunk_header.port = VDP_SERVER_PORT;
@@ -518,21 +569,21 @@ void reds_client_disconnect(RedsState *reds, RedClient *client)
internal_buf->header.opaque = 0;
internal_buf->header.size = 0;
- red_char_device_write_buffer_add(reds->agent_state.base,
- char_dev_buf);
+ red_char_device_write_buffer_add(reds->agent_state->base,
+ char_dev_buf);
}
/* Reset write filter to start with clean state on client reconnect */
- agent_msg_filter_init(&reds->agent_state.write_filter, reds->agent_copypaste,
+ agent_msg_filter_init(&reds->agent_state->write_filter, reds->agent_copypaste,
reds->agent_file_xfer,
reds_use_client_monitors_config(reds), TRUE);
/* Throw away pending chunks from the current (if any) and future
* messages read from the agent */
- reds->agent_state.read_filter.result = AGENT_MSG_FILTER_DISCARD;
- reds->agent_state.read_filter.discard_all = TRUE;
- free(reds->agent_state.mig_data);
- reds->agent_state.mig_data = NULL;
+ reds->agent_state->read_filter.result = AGENT_MSG_FILTER_DISCARD;
+ reds->agent_state->read_filter.discard_all = TRUE;
+ free(reds->agent_state->mig_data);
+ reds->agent_state->mig_data = NULL;
reds_mig_cleanup(reds);
}
@@ -710,7 +761,7 @@ static RedCharDeviceMsgToClient *vdi_port_read_one_msg_from_device(SpiceCharDevi
void *opaque)
{
RedsState *reds = opaque;
- VDIPortState *state = &reds->agent_state;
+ VDIPortState *state = reds->agent_state;
SpiceCharDeviceInterface *sif;
VDIReadBuf *dispatch_buf;
int n;
@@ -734,7 +785,7 @@ static RedCharDeviceMsgToClient *vdi_port_read_one_msg_from_device(SpiceCharDevi
state->message_receive_len = state->vdi_chunk_header.size;
state->read_state = VDI_PORT_READ_STATE_GET_BUFF;
case VDI_PORT_READ_STATE_GET_BUFF: {
- if (!(state->current_read_buf = vdi_port_state_get_read_buf(&reds->agent_state))) {
+ if (!(state->current_read_buf = vdi_port_state_get_read_buf(reds->agent_state))) {
return NULL;
}
state->receive_pos = state->current_read_buf->data;
@@ -764,7 +815,7 @@ static RedCharDeviceMsgToClient *vdi_port_read_one_msg_from_device(SpiceCharDevi
} else {
state->read_state = VDI_PORT_READ_STATE_GET_BUFF;
}
- if (vdi_port_read_buf_process(&reds->agent_state, dispatch_buf, &error)) {
+ if (vdi_port_read_buf_process(reds->agent_state, dispatch_buf, &error)) {
return dispatch_buf;
} else {
if (error) {
@@ -839,13 +890,13 @@ void reds_handle_agent_mouse_event(RedsState *reds, const VDAgentMouseState *mou
VDInternalBuf *internal_buf;
uint32_t total_msg_size;
- if (!reds->inputs_channel || !reds->agent_state.base) {
+ if (!reds->inputs_channel || !reds->agent_state->base) {
return;
}
total_msg_size = sizeof(VDIChunkHeader) + sizeof(VDAgentMessage) +
sizeof(VDAgentMouseState);
- char_dev_buf = red_char_device_write_buffer_get(reds->agent_state.base,
+ char_dev_buf = red_char_device_write_buffer_get(reds->agent_state->base,
NULL,
total_msg_size);
@@ -866,7 +917,7 @@ void reds_handle_agent_mouse_event(RedsState *reds, const VDAgentMouseState *mou
internal_buf->u.mouse_state = *mouse_state;
char_dev_buf->buf_used = total_msg_size;
- red_char_device_write_buffer_add(reds->agent_state.base, char_dev_buf);
+ red_char_device_write_buffer_add(reds->agent_state->base, char_dev_buf);
}
int reds_get_n_channels(RedsState *reds)
@@ -922,7 +973,7 @@ void reds_fill_channels(RedsState *reds, SpiceMsgChannels *channels_info)
void reds_on_main_agent_start(RedsState *reds, MainChannelClient *mcc, uint32_t num_tokens)
{
- RedCharDevice *dev_state = reds->agent_state.base;
+ RedCharDevice *dev_state = reds->agent_state->base;
RedChannelClient *rcc;
if (!reds->vdagent) {
@@ -930,7 +981,7 @@ void reds_on_main_agent_start(RedsState *reds, MainChannelClient *mcc, uint32_t
}
spice_assert(reds->vdagent->st && reds->vdagent->st == dev_state);
rcc = main_channel_client_get_base(mcc);
- reds->agent_state.client_agent_started = TRUE;
+ reds->agent_state->client_agent_started = TRUE;
/*
* Note that in older releases, send_tokens were set to ~0 on both client
* and server. The server ignored the client given tokens.
@@ -960,10 +1011,10 @@ void reds_on_main_agent_start(RedsState *reds, MainChannelClient *mcc, uint32_t
num_tokens);
}
- agent_msg_filter_config(&reds->agent_state.write_filter, reds->agent_copypaste,
+ agent_msg_filter_config(&reds->agent_state->write_filter, reds->agent_copypaste,
reds->agent_file_xfer,
reds_use_client_monitors_config(reds));
- reds->agent_state.write_filter.discard_all = FALSE;
+ reds->agent_state->write_filter.discard_all = FALSE;
}
void reds_on_main_agent_tokens(RedsState *reds, MainChannelClient *mcc, uint32_t num_tokens)
@@ -979,7 +1030,7 @@ void reds_on_main_agent_tokens(RedsState *reds, MainChannelClient *mcc, uint32_t
uint8_t *reds_get_agent_data_buffer(RedsState *reds, MainChannelClient *mcc, size_t size)
{
- VDIPortState *dev_state = &reds->agent_state;
+ VDIPortState *dev_state = reds->agent_state;
RedClient *client;
if (!dev_state->client_agent_started) {
@@ -1004,7 +1055,7 @@ uint8_t *reds_get_agent_data_buffer(RedsState *reds, MainChannelClient *mcc, siz
void reds_release_agent_data_buffer(RedsState *reds, uint8_t *buf)
{
- VDIPortState *dev_state = &reds->agent_state;
+ VDIPortState *dev_state = reds->agent_state;
if (!dev_state->recv_from_client_buf) {
free(buf);
@@ -1013,7 +1064,7 @@ void reds_release_agent_data_buffer(RedsState *reds, uint8_t *buf)
spice_assert(buf == dev_state->recv_from_client_buf->buf + sizeof(VDIChunkHeader));
if (!dev_state->recv_from_client_buf_pushed) {
- red_char_device_write_buffer_release(reds->agent_state.base,
+ red_char_device_write_buffer_release(reds->agent_state->base,
dev_state->recv_from_client_buf);
}
dev_state->recv_from_client_buf = NULL;
@@ -1057,11 +1108,11 @@ static void reds_on_main_agent_monitors_config(RedsState *reds,
void reds_on_main_agent_data(RedsState *reds, MainChannelClient *mcc, void *message, size_t size)
{
- VDIPortState *dev_state = &reds->agent_state;
+ VDIPortState *dev_state = reds->agent_state;
VDIChunkHeader *header;
int res;
- res = agent_msg_filter_process_data(&reds->agent_state.write_filter,
+ res = agent_msg_filter_process_data(&reds->agent_state->write_filter,
message, size);
switch (res) {
case AGENT_MSG_FILTER_OK:
@@ -1076,8 +1127,8 @@ void reds_on_main_agent_data(RedsState *reds, MainChannelClient *mcc, void *mess
return;
}
- spice_assert(reds->agent_state.recv_from_client_buf);
- spice_assert(message == reds->agent_state.recv_from_client_buf->buf + sizeof(VDIChunkHeader));
+ spice_assert(reds->agent_state->recv_from_client_buf);
+ spice_assert(message == reds->agent_state->recv_from_client_buf->buf + sizeof(VDIChunkHeader));
// TODO - start tracking agent data per channel
header = (VDIChunkHeader *)dev_state->recv_from_client_buf->buf;
header->port = VDP_CLIENT_PORT;
@@ -1085,7 +1136,7 @@ void reds_on_main_agent_data(RedsState *reds, MainChannelClient *mcc, void *mess
dev_state->recv_from_client_buf->buf_used = sizeof(VDIChunkHeader) + size;
dev_state->recv_from_client_buf_pushed = TRUE;
- red_char_device_write_buffer_add(reds->agent_state.base, dev_state->recv_from_client_buf);
+ red_char_device_write_buffer_add(reds->agent_state->base, dev_state->recv_from_client_buf);
}
void reds_on_main_migrate_connected(RedsState *reds, int seamless)
@@ -1120,7 +1171,7 @@ void reds_on_main_mouse_mode_request(RedsState *reds, void *message, size_t size
*/
void reds_on_main_channel_migrate(RedsState *reds, MainChannelClient *mcc)
{
- VDIPortState *agent_state = &reds->agent_state;
+ VDIPortState *agent_state = reds->agent_state;
uint32_t read_data_len;
spice_assert(reds->num_clients == 1);
@@ -1141,7 +1192,7 @@ void reds_on_main_channel_migrate(RedsState *reds, MainChannelClient *mcc)
!agent_state->read_filter.msg_data_to_read);
read_buf->len = read_data_len;
- if (vdi_port_read_buf_process(&reds->agent_state, read_buf, &error)) {
+ if (vdi_port_read_buf_process(reds->agent_state, read_buf, &error)) {
main_channel_client_push_agent_data(mcc,
read_buf->data,
read_buf->len,
@@ -1165,7 +1216,7 @@ void reds_on_main_channel_migrate(RedsState *reds, MainChannelClient *mcc)
void reds_marshall_migrate_data(RedsState *reds, SpiceMarshaller *m)
{
SpiceMigrateDataMain mig_data;
- VDIPortState *agent_state = &reds->agent_state;
+ VDIPortState *agent_state = reds->agent_state;
SpiceMarshaller *m2;
memset(&mig_data, 0, sizeof(mig_data));
@@ -1190,8 +1241,8 @@ void reds_marshall_migrate_data(RedsState *reds, SpiceMarshaller *m)
return;
}
- red_char_device_migrate_data_marshall(reds->agent_state.base, m);
- spice_marshaller_add_uint8(m, reds->agent_state.client_agent_started);
+ red_char_device_migrate_data_marshall(reds->agent_state->base, m);
+ spice_marshaller_add_uint8(m, reds->agent_state->client_agent_started);
mig_data.agent2client.chunk_header = agent_state->vdi_chunk_header;
@@ -1247,7 +1298,7 @@ void reds_marshall_migrate_data(RedsState *reds, SpiceMarshaller *m)
static int reds_agent_state_restore(RedsState *reds, SpiceMigrateDataMain *mig_data)
{
- VDIPortState *agent_state = &reds->agent_state;
+ VDIPortState *agent_state = reds->agent_state;
uint32_t chunk_header_remaining;
agent_state->vdi_chunk_header = mig_data->agent2client.chunk_header;
@@ -1269,7 +1320,7 @@ static int reds_agent_state_restore(RedsState *reds, SpiceMigrateDataMain *mig_d
uint32_t cur_buf_size;
agent_state->read_state = VDI_PORT_READ_STATE_READ_DATA;
- agent_state->current_read_buf = vdi_port_state_get_read_buf(&reds->agent_state);
+ agent_state->current_read_buf = vdi_port_state_get_read_buf(reds->agent_state);
spice_assert(agent_state->current_read_buf);
partial_msg_header = (uint8_t *)mig_data + mig_data->agent2client.msg_header_ptr -
sizeof(SpiceMiniDataHeader);
@@ -1321,7 +1372,7 @@ static int reds_agent_state_restore(RedsState *reds, SpiceMigrateDataMain *mig_d
int reds_handle_migrate_data(RedsState *reds, MainChannelClient *mcc,
SpiceMigrateDataMain *mig_data, uint32_t size)
{
- VDIPortState *agent_state = &reds->agent_state;
+ VDIPortState *agent_state = reds->agent_state;
spice_debug("main-channel: got migrate data");
/*
@@ -1694,12 +1745,12 @@ static void reds_handle_main_link(RedsState *reds, RedLinkInfo *link)
if (mig_target) {
spice_warning("unexpected: vdagent attached to destination during migration");
}
- agent_msg_filter_config(&reds->agent_state.read_filter,
+ agent_msg_filter_config(&reds->agent_state->read_filter,
reds->agent_copypaste,
reds->agent_file_xfer,
reds_use_client_monitors_config(reds));
- reds->agent_state.read_filter.discard_all = FALSE;
- reds->agent_state.plug_generation++;
+ reds->agent_state->read_filter.discard_all = FALSE;
+ reds->agent_state->plug_generation++;
}
if (!mig_target) {
@@ -2970,7 +3021,7 @@ void reds_disable_mm_time(RedsState *reds)
static RedCharDevice *attach_to_red_agent(RedsState *reds, SpiceCharDeviceInstance *sin)
{
- VDIPortState *state = &reds->agent_state;
+ VDIPortState *state = reds->agent_state;
SpiceCharDeviceInterface *sif;
RedCharDeviceCallbacks char_dev_state_cbs;
@@ -3006,9 +3057,9 @@ static RedCharDevice *attach_to_red_agent(RedsState *reds, SpiceCharDeviceInstan
}
state->read_filter.discard_all = FALSE;
- reds->agent_state.plug_generation++;
+ reds->agent_state->plug_generation++;
- if (reds->agent_state.mig_data ||
+ if (reds->agent_state->mig_data ||
red_channel_is_waiting_for_migrate_data(&reds->main_channel->base)) {
/* Migration in progress (code is running on the destination host):
* 1. Add the client to spice char device, if it was not already added.
@@ -3017,10 +3068,10 @@ static RedCharDevice *attach_to_red_agent(RedsState *reds, SpiceCharDeviceInstan
* 2.b If this happens second ==> we already have spice migrate data
* then restore state
*/
- if (!red_char_device_client_exists(reds->agent_state.base, reds_get_client(reds))) {
+ if (!red_char_device_client_exists(reds->agent_state->base, reds_get_client(reds))) {
int client_added;
- client_added = red_char_device_client_add(reds->agent_state.base,
+ client_added = red_char_device_client_add(reds->agent_state->base,
reds_get_client(reds),
TRUE, /* flow control */
REDS_VDI_PORT_NUM_RECEIVE_BUFFS,
@@ -3034,12 +3085,12 @@ static RedCharDevice *attach_to_red_agent(RedsState *reds, SpiceCharDeviceInstan
}
}
- if (reds->agent_state.mig_data) {
+ if (reds->agent_state->mig_data) {
spice_debug("restoring state from stored migration data");
- spice_assert(reds->agent_state.plug_generation == 1);
- reds_agent_state_restore(reds, reds->agent_state.mig_data);
- free(reds->agent_state.mig_data);
- reds->agent_state.mig_data = NULL;
+ spice_assert(reds->agent_state->plug_generation == 1);
+ reds_agent_state_restore(reds, reds->agent_state->mig_data);
+ free(reds->agent_state->mig_data);
+ reds->agent_state->mig_data = NULL;
}
else {
spice_debug("waiting for migration data");
@@ -3309,9 +3360,11 @@ SPICE_GNUC_VISIBLE int spice_server_remove_interface(SpiceBaseInstance *sin)
static void reds_init_vd_agent_resources(RedsState *reds)
{
- VDIPortState *state = &reds->agent_state;
+ VDIPortState *state;
int i;
+ reds->agent_state = g_new0(VDIPortState, 1);
+ state = reds->agent_state;
ring_init(&state->read_bufs);
agent_msg_filter_init(&state->write_filter, reds->agent_copypaste,
reds->agent_file_xfer,
@@ -3328,7 +3381,7 @@ static void reds_init_vd_agent_resources(RedsState *reds)
VDIReadBuf *buf = spice_new0(VDIReadBuf, 1);
buf->state = state;
ring_item_init(&buf->link);
- ring_add(&reds->agent_state.read_bufs, &buf->link);
+ ring_add(&reds->agent_state->read_bufs, &buf->link);
}
}
@@ -3815,16 +3868,16 @@ SPICE_GNUC_VISIBLE int spice_server_set_agent_mouse(SpiceServer *reds, int enabl
SPICE_GNUC_VISIBLE int spice_server_set_agent_copypaste(SpiceServer *reds, int enable)
{
reds->agent_copypaste = enable;
- reds->agent_state.write_filter.copy_paste_enabled = reds->agent_copypaste;
- reds->agent_state.read_filter.copy_paste_enabled = reds->agent_copypaste;
+ reds->agent_state->write_filter.copy_paste_enabled = reds->agent_copypaste;
+ reds->agent_state->read_filter.copy_paste_enabled = reds->agent_copypaste;
return 0;
}
SPICE_GNUC_VISIBLE int spice_server_set_agent_file_xfer(SpiceServer *reds, int enable)
{
reds->agent_file_xfer = enable;
- reds->agent_state.write_filter.file_xfer_enabled = reds->agent_file_xfer;
- reds->agent_state.read_filter.file_xfer_enabled = reds->agent_file_xfer;
+ reds->agent_state->write_filter.file_xfer_enabled = reds->agent_file_xfer;
+ reds->agent_state->read_filter.file_xfer_enabled = reds->agent_file_xfer;
return 0;
}
--
2.4.3
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