/**
* Send an edcl packet and fragment it if max_packet_size < data_size
*/
static int send_fragmented(void)
{
unsigned int nb_ack_packet = 0;
unsigned int address_offset = 0;
unsigned int nb_sent_packet = 0;
unsigned int local_data_size = config.data_size;
edcl_packet_t* packet = NULL;
/* Allocating the packet of the packet */
packet = calloc(1, min(local_data_size, MAX_DATA_SIZE) + sizeof (edcl_header_t));
if (packet == NULL)
goto error_malloc;
do {
/* Filling up the edcl header */
clear_header(packet->header);
set_operation(packet->header, WRITE_OP);
set_sequence(packet->header, config.sequence_number);
set_address(packet->header, config.memory_address + address_offset);
set_length(packet->header, min(local_data_size, MAX_DATA_SIZE));
if (config.verbose)
fprintf(stderr,
" [%d] Trying to write at 0x%08x.",
config.sequence_number,
config.memory_address + address_offset);
/* Copying the data in the packet */
memcpy(packet->data,
config.data_c + address_offset,
min(local_data_size, MAX_DATA_SIZE));
/* Sending the packet to the ethernet IP */
if (sendto(config.socket,
packet,
min(local_data_size, MAX_DATA_SIZE) + sizeof (edcl_header_t),
0, config.serv_info->ai_addr, config.serv_info->ai_addrlen)
== -1)
goto error_send;
/* Waiting for the aknowledgment */
if (recvfrom(config.socket, packet,
sizeof (edcl_header_t) + min(local_data_size, MAX_DATA_SIZE),
0, NULL, 0) == -1)
goto error_recvfrom;
/* We've been aknowledge, keep sending */
if (get_ack(packet->header)) {
if (config.verbose)
fprintf(stderr,
"\t[OK]\n");
address_offset += min(local_data_size, MAX_DATA_SIZE);
local_data_size -= min(local_data_size, MAX_DATA_SIZE);
++config.sequence_number;
++nb_ack_packet;
}
/* The sequence number was wrong, fix it */
else {
if (config.verbose)
fprintf(stderr,
"\t[Failed]\n Wrong sequence number (%d) should be: %d. Fixed.\n",
config.sequence_number, get_sequence(packet->header));
config.sequence_number = get_sequence(packet->header);
}
++nb_sent_packet;
} while (local_data_size > 0);
if (config.verbose) {
fprintf(stderr,
"The datas have been fragmented in %d packets.\n", nb_ack_packet);
fprintf(stderr,
"\t %d packets have been sent (%d have been lost).\n",
nb_sent_packet,
nb_sent_packet - nb_ack_packet);
}
/* Releasing ressources */
free(packet);
return (0);
error_recvfrom:
error_send:
if (config.verbose)
fprintf(stderr,
"Error while sending the packet.\n");
free(packet);
return (errno);
error_malloc:
if (config.verbose)
fprintf(stderr,
"Unable to allocate the packet.\n");
return (errno);
}
int main(int argc, char **argv)
{
int operation;
g_type_init();
ecore_init();
if(argc < 2) {
fprintf(stderr, "1:set(db), 2:set(file), 3:set(memory), 4:set(gconf_d), 5:set(gconf_l) \n");
fprintf(stderr, "6:get(db), 7:get(file), 8:get(memory), 9:get(gconf_d), 10:get(gconf_l) \n");
fprintf(stderr, "11:unset(db), 12:unset(file), 13:unset(memory), 14:unset(gconf_d), 15:unset(gconf_l) \n");
return -1;
}
operation = atoi(argv[1]);
switch(operation)
{
case 1:
set_operation(0);
break;
case 2:
set_operation(1);
break;
case 3:
set_operation(2);
break;
case 4:
set_operation(3);
break;
case 5:
set_operation(4);
break;
case 6:
get_operation(0, "db/timetest");
break;
case 7:
get_operation(1, "file/timetest");
break;
case 8:
get_operation(2, "memory/timetest");
break;
case 9:
get_operation(3, "gconf_l/timetest");
break;
case 10:
get_operation(4, "gconf_d/timetest");
break;
case 11:
unset_operation(0);
break;
case 12:
unset_operation(1);
break;
case 13:
unset_operation(2);
break;
case 14:
unset_operation(3);
break;
case 15:
unset_operation(4);
break;
case 16:
vconf_notify_key_changed(vconfkeys[0][1], test_cb2, NULL);
vconf_notify_key_changed(vconfkeys[1][1], test_cb2, NULL);
vconf_notify_key_changed(vconfkeys[2][1], test_cb2, NULL);
vconf_notify_key_changed(vconfkeys[3][1], test_cb2, NULL);
vconf_notify_key_changed(vconfkeys[4][1], test_cb2, NULL);
//ecore_main_loop_begin();
GMainLoop *event_loop;
event_loop = g_main_loop_new(NULL, FALSE);
g_main_loop_run(event_loop);
break;
}
return 0;
}
