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/**
* Test vdagent guest to server messages
*/
#include <string.h>
#include <config.h>
#include <stdlib.h>
#include <stdio.h>
#include <spice/vd_agent.h>
#include "test_display_base.h"
SpiceCoreInterface *core;
SpiceTimer *ping_timer;
int ping_ms = 100;
#ifndef MIN
#define MIN(a, b) ((a) > (b) ? (b) : (a))
#endif
void pinger(void *opaque)
{
// show_channels is not thread safe - fails if disconnections / connections occur
//show_channels(server);
core->timer_start(ping_timer, ping_ms);
}
static int vmc_write(SpiceCharDeviceInstance *sin, const uint8_t *buf, int len)
{
return len;
}
static int vmc_read(SpiceCharDeviceInstance *sin, uint8_t *buf, int len)
{
static uint8_t c = 0;
static uint8_t message[2048];
static unsigned pos = 0;
static unsigned message_size;
int ret;
if (pos == 0) {
VDIChunkHeader *hdr = (VDIChunkHeader *)message;
VDAgentMessage *msg = (VDAgentMessage *)&hdr[1];
uint8_t *p = message;
int size = sizeof(message);
message_size = size;
/* fill in message */
hdr->port = VDP_SERVER_PORT;
hdr->size = message_size - sizeof(VDIChunkHeader);
msg->protocol = VD_AGENT_PROTOCOL;
msg->type = VD_AGENT_END_MESSAGE;
msg->opaque = 0;
msg->size = message_size - sizeof(VDIChunkHeader) - sizeof(VDAgentMessage);
size -= sizeof(VDIChunkHeader) + sizeof(VDAgentMessage);
p += sizeof(VDIChunkHeader) + sizeof(VDAgentMessage);
for (; size; --size, ++p, ++c)
*p = c;
}
ret = MIN(message_size - pos, len);
memcpy(buf, &message[pos], ret);
pos += ret;
if (pos == message_size) {
pos = 0;
}
//printf("vmc_read %d (ret %d)\n", len, ret);
return ret;
}
static void vmc_state(SpiceCharDeviceInstance *sin, int connected)
{
}
static SpiceCharDeviceInterface vmc_interface = {
.base.type = SPICE_INTERFACE_CHAR_DEVICE,
.base.description = "test spice virtual channel char device",
.base.major_version = SPICE_INTERFACE_CHAR_DEVICE_MAJOR,
.base.minor_version = SPICE_INTERFACE_CHAR_DEVICE_MINOR,
.state = vmc_state,
.write = vmc_write,
.read = vmc_read,
};
SpiceCharDeviceInstance vmc_instance = {
.subtype = "vdagent",
};
int main(void)
{
Test *test;
core = basic_event_loop_init();
test = test_new(core);
vmc_instance.base.sif = &vmc_interface.base;
spice_server_add_interface(test->server, &vmc_instance.base);
ping_timer = core->timer_add(pinger, NULL);
core->timer_start(ping_timer, ping_ms);
basic_event_loop_mainloop();
return 0;
}
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