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freeswitch/src/mod/endpoints/mod_skypiax/skypiax_protocol.c

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#include "skypiax.h"
#ifdef ASTERISK
#define skypiax_sleep usleep
#define skypiax_strncpy strncpy
#define tech_pvt p
extern int skypiax_debug;
extern char *skypiax_console_active;
#else /* FREESWITCH */
#define skypiax_sleep switch_sleep
#define skypiax_strncpy switch_copy_string
extern switch_memory_pool_t *skypiax_module_pool;
extern switch_endpoint_interface_t *skypiax_endpoint_interface;
#endif /* ASTERISK */
int samplerate_skypiax = SAMPLERATE_SKYPIAX;
extern int running;
/*************************************/
/* suspicious globals FIXME */
#ifdef WIN32
DWORD win32_dwThreadId;
#else
XErrorHandler old_handler = 0;
int xerror = 0;
#endif /* WIN32 */
/*************************************/
int skypiax_signaling_read(private_t * tech_pvt)
{
char read_from_pipe[4096];
char message[4096];
char message_2[4096];
char *buf, obj[512] = "", id[512] = "", prop[512] = "", value[512] = "", *where;
char **stringp = NULL;
int a;
unsigned int howmany;
unsigned int i;
memset(read_from_pipe, 0, 4096);
memset(message, 0, 4096);
memset(message_2, 0, 4096);
howmany =
skypiax_pipe_read(tech_pvt->SkypiaxHandles.fdesc[0], (short *) read_from_pipe,
sizeof(read_from_pipe));
a = 0;
for (i = 0; i < howmany; i++) {
message[a] = read_from_pipe[i];
a++;
if (read_from_pipe[i] == '\0') {
if (!strstr(message, "DURATION")) {
DEBUGA_SKYPE("READING: |||%s||| \n", SKYPIAX_P_LOG, message);
}
if (!strcasecmp(message, "ERROR 68")) {
DEBUGA_SKYPE
("If I don't connect immediately, please give the Skype client authorization to be connected by Skypiax (and to not ask you again)\n",
SKYPIAX_P_LOG);
skypiax_sleep(1000000);
skypiax_signaling_write(tech_pvt, "PROTOCOL 7");
skypiax_sleep(10000);
return 0;
}
if (!strncasecmp(message, "ERROR 92 CALL", 12)) {
ERRORA
("Skype got ERROR: |||%s|||, the (skypeout) number we called was not recognized as valid\n",
SKYPIAX_P_LOG, message);
tech_pvt->skype_callflow = CALLFLOW_STATUS_FINISHED;
DEBUGA_SKYPE("skype_call now is DOWN\n", SKYPIAX_P_LOG);
tech_pvt->skype_call_id[0] = '\0';
if (tech_pvt->interface_state != SKYPIAX_STATE_HANGUP_REQUESTED) {
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
return CALLFLOW_INCOMING_HANGUP;
} else {
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
}
}
skypiax_strncpy(message_2, message, sizeof(message) - 1);
buf = message;
stringp = &buf;
where = strsep(stringp, " ");
if (!where) {
WARNINGA("Skype MSG without spaces: %s\n", SKYPIAX_P_LOG, message);
}
if (!strcasecmp(message, "ERROR")) {
if (!strncasecmp(message, "ERROR 592 ALTER CALL", 19)) {
ERRORA("Skype got ERROR about TRANSFERRING, no problem: |||%s|||\n",
SKYPIAX_P_LOG, message);
} else {
DEBUGA_SKYPE("Skype got ERROR: |||%s|||\n", SKYPIAX_P_LOG, message);
tech_pvt->skype_callflow = CALLFLOW_STATUS_FINISHED;
DEBUGA_SKYPE("skype_call now is DOWN\n", SKYPIAX_P_LOG);
tech_pvt->skype_call_id[0] = '\0';
if (tech_pvt->interface_state != SKYPIAX_STATE_HANGUP_REQUESTED) {
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
return CALLFLOW_INCOMING_HANGUP;
} else {
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
}
}
}
if (!strcasecmp(message, "CURRENTUSERHANDLE")) {
skypiax_strncpy(obj, where, sizeof(obj) - 1);
where = strsep(stringp, " ");
skypiax_strncpy(id, where, sizeof(id) - 1);
if (!strcasecmp(id, tech_pvt->skype_user)) {
tech_pvt->SkypiaxHandles.currentuserhandle = 1;
DEBUGA_SKYPE
("Skype MSG: message: %s, currentuserhandle: %s, cuh: %s, skype_user: %s!\n",
SKYPIAX_P_LOG, message, obj, id, tech_pvt->skype_user);
}
}
if (!strcasecmp(message, "USER")) {
skypiax_strncpy(obj, where, sizeof(obj) - 1);
where = strsep(stringp, " ");
skypiax_strncpy(id, where, sizeof(id) - 1);
where = strsep(stringp, " ");
skypiax_strncpy(prop, where, sizeof(prop) - 1);
if (!strcasecmp(prop, "RECEIVEDAUTHREQUEST")) {
char msg_to_skype[256];
DEBUGA_SKYPE("Skype MSG: message: %s, obj: %s, id: %s, prop: %s!\n",
SKYPIAX_P_LOG, message, obj, id, prop);
//TODO: allow authorization based on config param
sprintf(msg_to_skype, "SET USER %s ISAUTHORIZED TRUE", id);
skypiax_signaling_write(tech_pvt, msg_to_skype);
}
}
if (!strcasecmp(message, "MESSAGE")) {
skypiax_strncpy(obj, where, sizeof(obj) - 1);
where = strsep(stringp, " ");
skypiax_strncpy(id, where, sizeof(id) - 1);
where = strsep(stringp, " ");
skypiax_strncpy(prop, where, sizeof(prop) - 1);
if (!strcasecmp(prop, "STATUS")) {
where = strsep(stringp, " ");
skypiax_strncpy(value, where, sizeof(value) - 1);
if (!strcasecmp(value, "RECEIVED")) {
char msg_to_skype[256];
DEBUGA_SKYPE("Skype MSG: message: %s, obj: %s, id: %s, prop: %s value: %s!\n",
SKYPIAX_P_LOG, message, obj, id, prop, value);
//TODO: authomatically flag messages as read based on config param
sprintf(msg_to_skype, "SET MESSAGE %s SEEN", id);
skypiax_signaling_write(tech_pvt, msg_to_skype);
}
} else if (!strcasecmp(prop, "BODY")) {
char msg_to_skype[256];
DEBUGA_SKYPE("Skype MSG: message: %s, obj: %s, id: %s, prop: %s!\n",
SKYPIAX_P_LOG, message, obj, id, prop);
//TODO: authomatically flag messages as read based on config param
sprintf(msg_to_skype, "SET MESSAGE %s SEEN", id);
skypiax_signaling_write(tech_pvt, msg_to_skype);
}
}
if (!strcasecmp(message, "CALL")) {
skypiax_strncpy(obj, where, sizeof(obj) - 1);
where = strsep(stringp, " ");
skypiax_strncpy(id, where, sizeof(id) - 1);
where = strsep(stringp, " ");
skypiax_strncpy(prop, where, sizeof(prop) - 1);
where = strsep(stringp, " ");
skypiax_strncpy(value, where, sizeof(value) - 1);
where = strsep(stringp, " ");
//DEBUGA_SKYPE
//("Skype MSG: message: %s, obj: %s, id: %s, prop: %s, value: %s,where: %s!\n",
//SKYPIAX_P_LOG, message, obj, id, prop, value, where ? where : "NULL");
if (!strcasecmp(prop, "PARTNER_HANDLE")) {
if (!strlen(tech_pvt->skype_call_id)) {
/* we are NOT inside an active call */
DEBUGA_SKYPE("Call %s TRY ANSWER\n", SKYPIAX_P_LOG, id);
skypiax_answer(tech_pvt, id, value);
} else {
/* we are inside an active call */
if (!strcasecmp(tech_pvt->skype_call_id, id)) {
/* this is the call in which we are calling out */
DEBUGA_SKYPE("Call %s NOTHING\n", SKYPIAX_P_LOG, id);
} else {
skypiax_sleep(400000); //0.4 seconds
DEBUGA_SKYPE("Call %s TRY TRANSFER\n", SKYPIAX_P_LOG, id);
skypiax_transfer(tech_pvt, id, value);
}
}
}
if (!strcasecmp(prop, "PARTNER_DISPNAME")) {
snprintf(tech_pvt->callid_name, sizeof(tech_pvt->callid_name) - 1, "%s%s%s",
value, where ? " " : "", where ? where : "");
//DEBUGA_SKYPE
//("the skype_call %s caller PARTNER_DISPNAME (tech_pvt->callid_name) is: %s\n",
//SKYPIAX_P_LOG, id, tech_pvt->callid_name);
}
if (!strcasecmp(prop, "CONF_ID") && !strcasecmp(value, "0")) {
//DEBUGA_SKYPE("the skype_call %s is NOT a conference call\n", SKYPIAX_P_LOG, id);
if (tech_pvt->interface_state == SKYPIAX_STATE_DOWN)
tech_pvt->interface_state = SKYPIAX_STATE_PRERING;
}
if (!strcasecmp(prop, "CONF_ID") && strcasecmp(value, "0")) {
DEBUGA_SKYPE("the skype_call %s is a conference call\n", SKYPIAX_P_LOG, id);
if (tech_pvt->interface_state == SKYPIAX_STATE_DOWN)
tech_pvt->interface_state = SKYPIAX_STATE_PRERING;
}
if (!strcasecmp(prop, "DTMF")) {
DEBUGA_SKYPE("Call %s received a DTMF: %s\n", SKYPIAX_P_LOG, id, value);
dtmf_received(tech_pvt, value);
}
if (!strcasecmp(prop, "FAILUREREASON")) {
DEBUGA_SKYPE
("Skype FAILED on skype_call %s. Let's wait for the FAILED message.\n",
SKYPIAX_P_LOG, id);
}
if (!strcasecmp(prop, "DURATION") && (!strcasecmp(value, "1"))) {
if (strcasecmp(id, tech_pvt->skype_call_id)) {
skypiax_strncpy(tech_pvt->skype_call_id, id,
sizeof(tech_pvt->skype_call_id) - 1);
DEBUGA_SKYPE
("We called a Skype contact and he answered us on skype_call: %s.\n",
SKYPIAX_P_LOG, id);
}
}
if (!strcasecmp(prop, "STATUS")) {
if (!strcasecmp(value, "RINGING")) {
char msg_to_skype[1024];
if (!strlen(tech_pvt->skype_call_id)) {
/* we are NOT inside an active call */
sprintf(msg_to_skype, "GET CALL %s PARTNER_HANDLE", id);
skypiax_signaling_write(tech_pvt, msg_to_skype);
skypiax_sleep(10000);
} else {
/* we are inside an active call */
if (!strcasecmp(tech_pvt->skype_call_id, id)) {
/* this is the call in which we are calling out */
tech_pvt->skype_callflow = CALLFLOW_STATUS_RINGING;
tech_pvt->interface_state = SKYPIAX_STATE_RINGING;
skypiax_strncpy(tech_pvt->skype_call_id, id,
sizeof(tech_pvt->skype_call_id) - 1);
DEBUGA_SKYPE("Our remote party in skype_call %s is RINGING\n",
SKYPIAX_P_LOG, id);
remote_party_is_ringing(tech_pvt);
} else {
sprintf(msg_to_skype, "GET CALL %s PARTNER_HANDLE", id);
skypiax_signaling_write(tech_pvt, msg_to_skype);
skypiax_sleep(10000);
}
}
} else if (!strcasecmp(value, "EARLYMEDIA")) {
char msg_to_skype[1024];
tech_pvt->skype_callflow = CALLFLOW_STATUS_EARLYMEDIA;
tech_pvt->interface_state = SKYPIAX_STATE_DIALING;
NOTICA("Our remote party in skype_call %s is EARLYMEDIA\n", SKYPIAX_P_LOG,
id);
start_audio_threads(tech_pvt);
skypiax_sleep(1000);
sprintf(msg_to_skype, "ALTER CALL %s SET_INPUT PORT=\"%d\"", id,
tech_pvt->tcp_cli_port);
skypiax_signaling_write(tech_pvt, msg_to_skype);
sprintf(msg_to_skype, "#output ALTER CALL %s SET_OUTPUT PORT=\"%d\"", id,
tech_pvt->tcp_srv_port);
skypiax_signaling_write(tech_pvt, msg_to_skype);
remote_party_is_early_media(tech_pvt);
} else if (!strcasecmp(value, "MISSED")) {
DEBUGA_SKYPE("We missed skype_call %s\n", SKYPIAX_P_LOG, id);
} else if (!strcasecmp(value, "FINISHED")) {
//DEBUGA_SKYPE("skype_call %s now is DOWN\n", SKYPIAX_P_LOG, id);
//usleep(150000);//150msec, let's give the TCP sockets time to timeout
if (!strcasecmp(tech_pvt->skype_call_id, id)) {
tech_pvt->skype_callflow = CALLFLOW_STATUS_FINISHED;
DEBUGA_SKYPE("skype_call %s is MY call, now I'm going DOWN\n",
SKYPIAX_P_LOG, id);
tech_pvt->skype_call_id[0] = '\0';
if (tech_pvt->interface_state != SKYPIAX_STATE_HANGUP_REQUESTED) {
//tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
return CALLFLOW_INCOMING_HANGUP;
} else {
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
}
} else {
DEBUGA_SKYPE("skype_call %s is NOT MY call, ignoring\n", SKYPIAX_P_LOG, id);
}
} else if (!strcasecmp(value, "CANCELLED")) {
tech_pvt->skype_callflow = CALLFLOW_STATUS_CANCELLED;
DEBUGA_SKYPE
("we tried to call Skype on skype_call %s and Skype has now CANCELLED\n",
SKYPIAX_P_LOG, id);
tech_pvt->skype_call_id[0] = '\0';
if (tech_pvt->interface_state != SKYPIAX_STATE_HANGUP_REQUESTED) {
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
return CALLFLOW_INCOMING_HANGUP;
} else {
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
}
} else if (!strcasecmp(value, "FAILED")) {
tech_pvt->skype_callflow = CALLFLOW_STATUS_FAILED;
DEBUGA_SKYPE
("we tried to call Skype on skype_call %s and Skype has now FAILED\n",
SKYPIAX_P_LOG, id);
tech_pvt->skype_call_id[0] = '\0';
skypiax_strncpy(tech_pvt->skype_call_id, id,
sizeof(tech_pvt->skype_call_id) - 1);
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
return CALLFLOW_INCOMING_HANGUP;
} else if (!strcasecmp(value, "REFUSED")) {
if (!strcasecmp(id, tech_pvt->skype_call_id)) {
/* this is the id of the call we are in, probably we generated it */
tech_pvt->skype_callflow = CALLFLOW_STATUS_REFUSED;
DEBUGA_SKYPE
("we tried to call Skype on skype_call %s and Skype has now REFUSED\n",
SKYPIAX_P_LOG, id);
skypiax_strncpy(tech_pvt->skype_call_id, id,
sizeof(tech_pvt->skype_call_id) - 1);
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
tech_pvt->skype_call_id[0] = '\0';
return CALLFLOW_INCOMING_HANGUP;
} else {
/* we're here because were us that refused an incoming call */
DEBUGA_SKYPE("we REFUSED skype_call %s\n", SKYPIAX_P_LOG, id);
}
} else if (!strcasecmp(value, "TRANSFERRING")) {
DEBUGA_SKYPE("skype_call %s is transferring\n", SKYPIAX_P_LOG, id);
} else if (!strcasecmp(value, "TRANSFERRED")) {
DEBUGA_SKYPE("skype_call %s has been transferred\n", SKYPIAX_P_LOG, id);
} else if (!strcasecmp(value, "ROUTING")) {
tech_pvt->skype_callflow = CALLFLOW_STATUS_ROUTING;
tech_pvt->interface_state = SKYPIAX_STATE_DIALING;
skypiax_strncpy(tech_pvt->skype_call_id, id,
sizeof(tech_pvt->skype_call_id) - 1);
DEBUGA_SKYPE("skype_call: %s is now ROUTING\n", SKYPIAX_P_LOG, id);
} else if (!strcasecmp(value, "UNPLACED")) {
tech_pvt->skype_callflow = CALLFLOW_STATUS_UNPLACED;
tech_pvt->interface_state = SKYPIAX_STATE_DIALING;
skypiax_strncpy(tech_pvt->skype_call_id, id,
sizeof(tech_pvt->skype_call_id) - 1);
DEBUGA_SKYPE("skype_call: %s is now UNPLACED\n", SKYPIAX_P_LOG, id);
} else if (!strcasecmp(value, "INPROGRESS")) {
char msg_to_skype[1024];
if (tech_pvt->skype_callflow != CALLFLOW_STATUS_REMOTEHOLD) {
if (!strlen(tech_pvt->session_uuid_str) || !strlen(tech_pvt->skype_call_id)
|| !strcasecmp(tech_pvt->skype_call_id, id)) {
skypiax_strncpy(tech_pvt->skype_call_id, id,
sizeof(tech_pvt->skype_call_id) - 1);
DEBUGA_SKYPE("skype_call: %s is now active\n", SKYPIAX_P_LOG, id);
if (tech_pvt->skype_callflow != CALLFLOW_STATUS_EARLYMEDIA) {
tech_pvt->skype_callflow = CALLFLOW_STATUS_INPROGRESS;
tech_pvt->interface_state = SKYPIAX_STATE_UP;
start_audio_threads(tech_pvt);
skypiax_sleep(1000); //FIXME
sprintf(msg_to_skype, "ALTER CALL %s SET_INPUT PORT=\"%d\"", id,
tech_pvt->tcp_cli_port);
skypiax_signaling_write(tech_pvt, msg_to_skype);
skypiax_sleep(1000); //FIXME
sprintf(msg_to_skype, "#output ALTER CALL %s SET_OUTPUT PORT=\"%d\"",
id, tech_pvt->tcp_srv_port);
skypiax_signaling_write(tech_pvt, msg_to_skype);
}
tech_pvt->skype_callflow = SKYPIAX_STATE_UP;
if (!strlen(tech_pvt->session_uuid_str)) {
DEBUGA_SKYPE("New Inbound Channel!\n", SKYPIAX_P_LOG);
new_inbound_channel(tech_pvt);
} else {
DEBUGA_SKYPE("Outbound Channel Answered!\n", SKYPIAX_P_LOG);
outbound_channel_answered(tech_pvt);
}
} else {
DEBUGA_SKYPE("I'm on %s, skype_call %s is NOT MY call, ignoring\n",
SKYPIAX_P_LOG, tech_pvt->skype_call_id, id);
}
} else {
tech_pvt->skype_callflow = CALLFLOW_STATUS_INPROGRESS;
DEBUGA_SKYPE("Back from REMOTEHOLD!\n", SKYPIAX_P_LOG);
}
} else if (!strcasecmp(value, "REMOTEHOLD")) {
tech_pvt->skype_callflow = CALLFLOW_STATUS_REMOTEHOLD;
DEBUGA_SKYPE("skype_call: %s is now REMOTEHOLD\n", SKYPIAX_P_LOG, id);
} else if (!strcasecmp(value, "BUSY")) {
tech_pvt->skype_callflow = CALLFLOW_STATUS_FAILED;
DEBUGA_SKYPE
("we tried to call Skype on skype_call %s and remote party (destination) was BUSY\n",
SKYPIAX_P_LOG, id);
skypiax_strncpy(tech_pvt->skype_call_id, id,
sizeof(tech_pvt->skype_call_id) - 1);
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
tech_pvt->skype_call_id[0] = '\0';
skypiax_sleep(1000);
return CALLFLOW_INCOMING_HANGUP;
} else {
WARNINGA("skype_call: %s, STATUS: %s is not recognized\n", SKYPIAX_P_LOG, id,
value);
}
} //STATUS
} //CALL
/* the "numbered" messages that follows are used by the directory application, not yet ported */
if (!strcasecmp(message, "#333")) {
/* DEBUGA_SKYPE("Skype MSG: message_2: %s, message2[11]: %s\n", SKYPIAX_P_LOG,
* message_2, &message_2[11]); */
memset(tech_pvt->skype_friends, 0, 4096);
skypiax_strncpy(tech_pvt->skype_friends, &message_2[11], 4095);
}
if (!strcasecmp(message, "#222")) {
/* DEBUGA_SKYPE("Skype MSG: message_2: %s, message2[10]: %s\n", SKYPIAX_P_LOG,
* message_2, &message_2[10]); */
memset(tech_pvt->skype_fullname, 0, 512);
skypiax_strncpy(tech_pvt->skype_fullname, &message_2[10], 511);
}
if (!strcasecmp(message, "#765")) {
/* DEBUGA_SKYPE("Skype MSG: message_2: %s, message2[10]: %s\n", SKYPIAX_P_LOG,
* message_2, &message_2[10]); */
memset(tech_pvt->skype_displayname, 0, 512);
skypiax_strncpy(tech_pvt->skype_displayname, &message_2[10], 511);
}
a = 0;
} //message end
} //read_from_pipe
return 0;
}
void *skypiax_do_tcp_srv_thread_func(void *obj)
{
private_t *tech_pvt = obj;
int s;
unsigned int len;
unsigned int i;
unsigned int a;
#if defined(WIN32) && !defined(__CYGWIN__)
int sin_size;
#else /* WIN32 */
unsigned int sin_size;
#endif /* WIN32 */
unsigned int fd;
short srv_in[SAMPLES_PER_FRAME];
short srv_out[SAMPLES_PER_FRAME / 2];
struct sockaddr_in my_addr;
struct sockaddr_in remote_addr;
//int exit = 0;
unsigned int kill_cli_size;
short kill_cli_buff[SAMPLES_PER_FRAME];
short totalbuf[SAMPLES_PER_FRAME];
memset(&my_addr, 0, sizeof(my_addr));
my_addr.sin_family = AF_INET;
my_addr.sin_addr.s_addr = htonl(0x7f000001); /* use the localhost */
my_addr.sin_port = htons(tech_pvt->tcp_srv_port);
if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
ERRORA("socket Error\n", SKYPIAX_P_LOG);
return NULL;
}
if (bind(s, (struct sockaddr *) &my_addr, sizeof(struct sockaddr)) < 0) {
ERRORA("bind Error\n", SKYPIAX_P_LOG);
return NULL;
}
DEBUGA_SKYPE("started tcp_srv_thread thread.\n", SKYPIAX_P_LOG);
listen(s, 6);
sin_size = sizeof(remote_addr);
/****************************/
while (tech_pvt->interface_state != SKYPIAX_STATE_DOWN
&& (tech_pvt->skype_callflow == CALLFLOW_STATUS_INPROGRESS
|| tech_pvt->skype_callflow == CALLFLOW_STATUS_EARLYMEDIA
|| tech_pvt->skype_callflow == CALLFLOW_STATUS_REMOTEHOLD
|| tech_pvt->skype_callflow == SKYPIAX_STATE_UP)) {
unsigned int fdselectgio;
int rtgio;
fd_set fsgio;
struct timeval togio;
if (!running)
break;
FD_ZERO(&fsgio);
togio.tv_usec = 20000; //20msec
togio.tv_sec = 0;
fdselectgio = s;
FD_SET(fdselectgio, &fsgio);
rtgio = select(fdselectgio + 1, &fsgio, NULL, NULL, &togio);
if (rtgio) {
/****************************/
while ((fd = accept(s, (struct sockaddr *) &remote_addr, &sin_size)) > 0) {
DEBUGA_SKYPE("ACCEPTED here I send you %d\n", SKYPIAX_P_LOG,
tech_pvt->tcp_srv_port);
if (!running)
break;
while (tech_pvt->interface_state != SKYPIAX_STATE_DOWN
&& (tech_pvt->skype_callflow == CALLFLOW_STATUS_INPROGRESS
|| tech_pvt->skype_callflow == CALLFLOW_STATUS_EARLYMEDIA
|| tech_pvt->skype_callflow == CALLFLOW_STATUS_REMOTEHOLD
|| tech_pvt->skype_callflow == SKYPIAX_STATE_UP)) {
unsigned int fdselect;
int rt;
fd_set fs;
struct timeval to;
if (!running)
break;
//exit = 1;
fdselect = fd;
FD_ZERO(&fs);
FD_SET(fdselect, &fs);
//to.tv_usec = 2000000; //2000 msec
to.tv_usec = 60000; //60 msec
to.tv_sec = 0;
rt = select(fdselect + 1, &fs, NULL, NULL, &to);
if (rt > 0) {
if (tech_pvt->skype_callflow != CALLFLOW_STATUS_REMOTEHOLD) {
len = recv(fd, (char *) srv_in, 320, 0); //seems that Skype only sends 320 bytes at time
} else {
len = 0;
}
if (len == 320) {
unsigned int howmany;
if (samplerate_skypiax == 8000) {
/* we're downsampling from 16khz to 8khz, srv_out will contain each other sample from srv_in */
a = 0;
for (i = 0; i < len / sizeof(short); i++) {
srv_out[a] = srv_in[i];
i++;
a++;
}
} else if (samplerate_skypiax == 16000) {
/* we're NOT downsampling, srv_out will contain ALL samples from srv_in */
for (i = 0; i < len / sizeof(short); i++) {
srv_out[i] = srv_in[i];
}
} else {
ERRORA("SAMPLERATE_SKYPIAX can only be 8000 or 16000\n", SKYPIAX_P_LOG);
}
/* if not yet done, let's store the half incoming frame */
if (!tech_pvt->audiobuf_is_loaded) {
for (i = 0; i < SAMPLES_PER_FRAME / 2; i++) {
tech_pvt->audiobuf[i] = srv_out[i];
}
tech_pvt->audiobuf_is_loaded = 1;
} else {
/* we got a stored half frame, build a complete frame in totalbuf using the stored half frame and the current half frame */
for (i = 0; i < SAMPLES_PER_FRAME / 2; i++) {
totalbuf[i] = tech_pvt->audiobuf[i];
}
for (a = 0; a < SAMPLES_PER_FRAME / 2; a++) {
totalbuf[i] = srv_out[a];
i++;
}
/* send the complete frame through the pipe to our code waiting for incoming audio */
howmany =
skypiax_pipe_write(tech_pvt->audiopipe[1], totalbuf,
SAMPLES_PER_FRAME * sizeof(short));
if (howmany != SAMPLES_PER_FRAME * sizeof(short)) {
ERRORA("howmany is %d, but was expected to be %d\n", SKYPIAX_P_LOG,
howmany, (int) (SAMPLES_PER_FRAME * sizeof(short)));
}
/* done with the stored half frame */
tech_pvt->audiobuf_is_loaded = 0;
}
} else if (len == 0) {
skypiax_sleep(1000);
} else {
ERRORA("len=%d, expected 320\n", SKYPIAX_P_LOG, len);
}
} else {
if (rt)
ERRORA("SRV rt=%d\n", SKYPIAX_P_LOG, rt);
skypiax_sleep(10000);
}
}
/* let's send some frame in the pipes, so both tcp_cli and tcp_srv will have an occasion to die */
kill_cli_size = SAMPLES_PER_FRAME * sizeof(short);
len = skypiax_pipe_write(tech_pvt->audiopipe[1], kill_cli_buff, kill_cli_size);
kill_cli_size = SAMPLES_PER_FRAME * sizeof(short);
len =
skypiax_pipe_write(tech_pvt->audioskypepipe[1], kill_cli_buff, kill_cli_size);
tech_pvt->interface_state = SKYPIAX_STATE_DOWN;
kill_cli_size = SAMPLES_PER_FRAME * sizeof(short);
len = skypiax_pipe_write(tech_pvt->audiopipe[1], kill_cli_buff, kill_cli_size);
kill_cli_size = SAMPLES_PER_FRAME * sizeof(short);
len =
skypiax_pipe_write(tech_pvt->audioskypepipe[1], kill_cli_buff, kill_cli_size);
DEBUGA_SKYPE("Skype incoming audio GONE\n", SKYPIAX_P_LOG);
skypiax_close_socket(fd);
//if (exit)
break;
}
}
}
DEBUGA_SKYPE("incoming audio server (I am it) EXITING\n", SKYPIAX_P_LOG);
skypiax_close_socket(s);
return NULL;
}
void *skypiax_do_tcp_cli_thread_func(void *obj)
{
private_t *tech_pvt = obj;
int s;
struct sockaddr_in my_addr;
struct sockaddr_in remote_addr;
unsigned int got;
unsigned int len;
unsigned int i;
unsigned int a;
unsigned int fd;
short cli_out[SAMPLES_PER_FRAME * 2];
short cli_in[SAMPLES_PER_FRAME];
#ifdef WIN32
int sin_size;
#else
unsigned int sin_size;
#endif /* WIN32 */
memset(&my_addr, 0, sizeof(my_addr));
my_addr.sin_family = AF_INET;
my_addr.sin_addr.s_addr = htonl(0x7f000001); /* use the localhost */
my_addr.sin_port = htons(tech_pvt->tcp_cli_port);
if ((s = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
ERRORA("socket Error\n", SKYPIAX_P_LOG);
return NULL;
}
if (bind(s, (struct sockaddr *) &my_addr, sizeof(struct sockaddr)) < 0) {
ERRORA("bind Error\n", SKYPIAX_P_LOG);
skypiax_close_socket(s);
return NULL;
}
DEBUGA_SKYPE("started tcp_cli_thread thread.\n", SKYPIAX_P_LOG);
listen(s, 6);
sin_size = sizeof(remote_addr);
/****************************/
while (tech_pvt->interface_state != SKYPIAX_STATE_DOWN
&& (tech_pvt->skype_callflow == CALLFLOW_STATUS_INPROGRESS
|| tech_pvt->skype_callflow == CALLFLOW_STATUS_EARLYMEDIA
|| tech_pvt->skype_callflow == CALLFLOW_STATUS_REMOTEHOLD
|| tech_pvt->skype_callflow == SKYPIAX_STATE_UP)) {
unsigned int fdselectgio;
int rtgio;
fd_set fsgio;
struct timeval togio;
if (!running)
break;
FD_ZERO(&fsgio);
togio.tv_usec = 20000; //20msec
togio.tv_sec = 0;
fdselectgio = s;
FD_SET(fdselectgio, &fsgio);
rtgio = select(fdselectgio + 1, &fsgio, NULL, NULL, &togio);
if (rtgio) {
/****************************/
while ((fd = accept(s, (struct sockaddr *) &remote_addr, &sin_size)) > 0) {
DEBUGA_SKYPE("ACCEPTED here you send me %d\n", SKYPIAX_P_LOG,
tech_pvt->tcp_cli_port);
#ifndef WIN32
fcntl(tech_pvt->audioskypepipe[0], F_SETFL, O_NONBLOCK);
#endif //WIN32
if (!running)
break;
while (tech_pvt->interface_state != SKYPIAX_STATE_DOWN
&& (tech_pvt->skype_callflow == CALLFLOW_STATUS_INPROGRESS
|| tech_pvt->skype_callflow == CALLFLOW_STATUS_EARLYMEDIA
|| tech_pvt->skype_callflow == CALLFLOW_STATUS_REMOTEHOLD
|| tech_pvt->skype_callflow == SKYPIAX_STATE_UP)) {
unsigned int fdselect;
int rt;
fd_set fs;
struct timeval to;
if (!running)
break;
FD_ZERO(&fs);
to.tv_usec = 120000; //120msec
to.tv_sec = 0;
#if defined(WIN32) && !defined(__CYGWIN__)
/* on win32 we cannot select from the apr "pipe", so we select on socket writability */
fdselect = fd;
FD_SET(fdselect, &fs);
rt = select(fdselect + 1, NULL, &fs, NULL, &to);
#else
/* on *unix and cygwin we select from the real pipe */
fdselect = tech_pvt->audioskypepipe[0];
FD_SET(fdselect, &fs);
rt = select(fdselect + 1, &fs, NULL, NULL, &to);
#endif
if (rt > 0) {
int counter;
/* until we drained the pipe to empty */
for(counter = 0; counter < 10; counter++){
/* read from the pipe the audio frame we are supposed to send out */
got =
skypiax_pipe_read(tech_pvt->audioskypepipe[0], cli_in,
SAMPLES_PER_FRAME * sizeof(short));
if(got == -1)
break;
if (got != SAMPLES_PER_FRAME * sizeof(short)) {
WARNINGA("got is %d, but was expected to be %d\n", SKYPIAX_P_LOG, got,
(int) (SAMPLES_PER_FRAME * sizeof(short)));
}
if (got == SAMPLES_PER_FRAME * sizeof(short)) {
if (samplerate_skypiax == 8000) {
/* we're upsampling from 8khz to 16khz, cli_out will contain two times each sample from cli_in */
a = 0;
for (i = 0; i < got / sizeof(short); i++) {
cli_out[a] = cli_in[i];
a++;
cli_out[a] = cli_in[i];
a++;
}
got = got * 2;
} else if (samplerate_skypiax == 16000) {
/* we're NOT upsampling, cli_out will contain just ALL samples from cli_in */
for (i = 0; i < got / sizeof(short); i++) {
cli_out[i] = cli_in[i];
}
} else {
ERRORA("SAMPLERATE_SKYPIAX can only be 8000 or 16000\n", SKYPIAX_P_LOG);
}
/* send the 16khz frame to the Skype client waiting for incoming audio to be sent to the remote party */
if (tech_pvt->skype_callflow != CALLFLOW_STATUS_REMOTEHOLD) {
len = send(fd, (char *) cli_out, got, 0);
skypiax_sleep(5000); //5 msec
if (len == -1) {
break;
} else if (len != got) {
ERRORA("len=%d\n", SKYPIAX_P_LOG, len);
skypiax_sleep(1000);
break;
}
}
} else {
WARNINGA("got is %d, but was expected to be %d\n", SKYPIAX_P_LOG, got,
(int) (SAMPLES_PER_FRAME * sizeof(short)));
}
}
} else {
if (rt)
ERRORA("CLI rt=%d\n", SKYPIAX_P_LOG, rt);
memset(cli_out, 0, sizeof(cli_out));
if (tech_pvt->skype_callflow != CALLFLOW_STATUS_REMOTEHOLD) {
len = send(fd, (char *) cli_out, sizeof(cli_out), 0);
len = send(fd, (char *) cli_out, sizeof(cli_out) / 2, 0);
//WARNINGA("sent %d of zeros to keep the Skype client socket busy\n", SKYPIAX_P_LOG, sizeof(cli_out) + sizeof(cli_out)/2);
} else {
/*
XXX do nothing
*/
//WARNINGA("we don't send it\n", SKYPIAX_P_LOG);
}
skypiax_sleep(1000);
}
}
DEBUGA_SKYPE("Skype outbound audio GONE\n", SKYPIAX_P_LOG);
skypiax_close_socket(fd);
break;
}
}
}
DEBUGA_SKYPE("outbound audio server (I am it) EXITING\n", SKYPIAX_P_LOG);
skypiax_close_socket(s);
return NULL;
}
int skypiax_audio_read(private_t * tech_pvt)
{
unsigned int samples;
samples =
skypiax_pipe_read(tech_pvt->audiopipe[0], tech_pvt->read_frame.data,
SAMPLES_PER_FRAME * sizeof(short));
if (samples != SAMPLES_PER_FRAME * sizeof(short)) {
if (samples)
WARNINGA("read samples=%u expected=%u\n", SKYPIAX_P_LOG, samples,
(int) (SAMPLES_PER_FRAME * sizeof(short)));
return 0;
} else {
/* A real frame */
tech_pvt->read_frame.datalen = samples;
}
return 1;
}
int skypiax_senddigit(private_t * tech_pvt, char digit)
{
char msg_to_skype[1024];
DEBUGA_SKYPE("DIGIT received: %c\n", SKYPIAX_P_LOG, digit);
sprintf(msg_to_skype, "SET CALL %s DTMF %c", tech_pvt->skype_call_id, digit);
skypiax_signaling_write(tech_pvt, msg_to_skype);
return 0;
}
int skypiax_call(private_t * tech_pvt, char *rdest, int timeout)
{
char msg_to_skype[1024];
skypiax_sleep(5000);
DEBUGA_SKYPE("Calling Skype, rdest is: %s\n", SKYPIAX_P_LOG, rdest);
//skypiax_signaling_write(tech_pvt, "SET AGC OFF");
//skypiax_sleep(10000);
//skypiax_signaling_write(tech_pvt, "SET AEC OFF");
//skypiax_sleep(10000);
sprintf(msg_to_skype, "CALL %s", rdest);
if (skypiax_signaling_write(tech_pvt, msg_to_skype) < 0) {
ERRORA("failed to communicate with Skype client, now exit\n", SKYPIAX_P_LOG);
return -1;
}
return 0;
}
/***************************/
/* PLATFORM SPECIFIC */
/***************************/
#if defined(WIN32) && !defined(__CYGWIN__)
int skypiax_pipe_read(switch_file_t * pipe, short *buf, int howmany)
{
switch_size_t quantity;
quantity = howmany;
switch_file_read(pipe, buf, &quantity);
howmany = quantity;
return howmany;
}
int skypiax_pipe_write(switch_file_t * pipe, short *buf, int howmany)
{
switch_size_t quantity;
quantity = howmany;
switch_file_write(pipe, buf, &quantity);
howmany = quantity;
return howmany;
}
int skypiax_close_socket(unsigned int fd)
{
int res;
res = closesocket(fd);
return res;
}
int skypiax_audio_init(private_t * tech_pvt)
{
switch_status_t rv;
rv =
switch_file_pipe_create(&tech_pvt->audiopipe[0], &tech_pvt->audiopipe[1],
skypiax_module_pool);
rv =
switch_file_pipe_create(&tech_pvt->audioskypepipe[0], &tech_pvt->audioskypepipe[1],
skypiax_module_pool);
return 0;
}
#else /* WIN32 */
int skypiax_pipe_read(int pipe, short *buf, int howmany)
{
howmany = read(pipe, buf, howmany);
return howmany;
}
int skypiax_pipe_write(int pipe, short *buf, int howmany)
{
howmany = write(pipe, buf, howmany);
return howmany;
}
int skypiax_close_socket(unsigned int fd)
{
int res;
res = close(fd);
return res;
}
int skypiax_audio_init(private_t * tech_pvt)
{
if (pipe(tech_pvt->audiopipe)) {
fcntl(tech_pvt->audiopipe[0], F_SETFL, O_NONBLOCK);
fcntl(tech_pvt->audiopipe[1], F_SETFL, O_NONBLOCK);
}
if (pipe(tech_pvt->audioskypepipe)) {
fcntl(tech_pvt->audioskypepipe[0], F_SETFL, O_NONBLOCK);
fcntl(tech_pvt->audioskypepipe[1], F_SETFL, O_NONBLOCK);
}
/* this pipe is the audio fd for asterisk to poll on during a call. FS do not use it */
tech_pvt->skypiax_sound_capt_fd = tech_pvt->audiopipe[0];
return 0;
}
#endif /* WIN32 */
#ifdef WIN32
enum {
SKYPECONTROLAPI_ATTACH_SUCCESS = 0, /* Client is successfully
attached and API window handle can be found
in wParam parameter */
SKYPECONTROLAPI_ATTACH_PENDING_AUTHORIZATION = 1, /* Skype has acknowledged
connection request and is waiting
for confirmation from the user. */
/* The client is not yet attached
* and should wait for SKYPECONTROLAPI_ATTACH_SUCCESS message */
SKYPECONTROLAPI_ATTACH_REFUSED = 2, /* User has explicitly
denied access to client */
SKYPECONTROLAPI_ATTACH_NOT_AVAILABLE = 3, /* API is not available
at the moment.
For example, this happens when no user
is currently logged in. */
/* Client should wait for
* SKYPECONTROLAPI_ATTACH_API_AVAILABLE
* broadcast before making any further */
/* connection attempts. */
SKYPECONTROLAPI_ATTACH_API_AVAILABLE = 0x8001
};
/* Visual C do not have strsep? */
char
*strsep(char **stringp, const char *delim)
{
char *res;
if (!stringp || !*stringp || !**stringp)
return (char *) 0;
res = *stringp;
while (**stringp && !strchr(delim, **stringp))
++(*stringp);
if (**stringp) {
**stringp = '\0';
++(*stringp);
}
return res;
}
int skypiax_signaling_write(private_t * tech_pvt, char *msg_to_skype)
{
static char acInputRow[1024];
COPYDATASTRUCT oCopyData;
DEBUGA_SKYPE("SENDING: |||%s||||\n", SKYPIAX_P_LOG, msg_to_skype);
sprintf(acInputRow, "%s", msg_to_skype);
DEBUGA_SKYPE("acInputRow: |||%s||||\n", SKYPIAX_P_LOG, acInputRow);
/* send command to skype */
oCopyData.dwData = 0;
oCopyData.lpData = acInputRow;
oCopyData.cbData = strlen(acInputRow) + 1;
if (oCopyData.cbData != 1) {
if (SendMessage
(tech_pvt->SkypiaxHandles.win32_hGlobal_SkypeAPIWindowHandle, WM_COPYDATA,
(WPARAM) tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle,
(LPARAM) & oCopyData) == FALSE) {
ERRORA
("Sending message failed - probably Skype crashed.\n\nPlease shutdown Skypiax, then launch Skypiax and try again.\n",
SKYPIAX_P_LOG);
return -1;
}
}
return 0;
}
LRESULT APIENTRY skypiax_present(HWND hWindow, UINT uiMessage, WPARAM uiParam,
LPARAM ulParam)
{
LRESULT lReturnCode;
int fIssueDefProc;
private_t *tech_pvt = NULL;
lReturnCode = 0;
fIssueDefProc = 0;
tech_pvt = (private_t *) GetWindowLong(hWindow, GWL_USERDATA);
if (!running)
return lReturnCode;
switch (uiMessage) {
case WM_CREATE:
tech_pvt = (private_t *) ((LPCREATESTRUCT) ulParam)->lpCreateParams;
SetWindowLong(hWindow, GWL_USERDATA, (LONG) tech_pvt);
DEBUGA_SKYPE("got CREATE\n", SKYPIAX_P_LOG);
break;
case WM_DESTROY:
DEBUGA_SKYPE("got DESTROY\n", SKYPIAX_P_LOG);
tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle = NULL;
PostQuitMessage(0);
break;
case WM_COPYDATA:
if (tech_pvt->SkypiaxHandles.win32_hGlobal_SkypeAPIWindowHandle == (HWND) uiParam) {
unsigned int howmany;
char msg_from_skype[2048];
PCOPYDATASTRUCT poCopyData = (PCOPYDATASTRUCT) ulParam;
memset(msg_from_skype, '\0', sizeof(msg_from_skype));
skypiax_strncpy(msg_from_skype, (const char *) poCopyData->lpData,
sizeof(msg_from_skype) - 2);
howmany = strlen(msg_from_skype) + 1;
howmany =
skypiax_pipe_write(tech_pvt->SkypiaxHandles.fdesc[1], (short *) msg_from_skype,
howmany);
//DEBUGA_SKYPE("From Skype API: %s\n", SKYPIAX_P_LOG, msg_from_skype);
lReturnCode = 1;
}
break;
default:
if (tech_pvt && tech_pvt->SkypiaxHandles.win32_uiGlobal_MsgID_SkypeControlAPIAttach) {
if (uiMessage ==
tech_pvt->SkypiaxHandles.win32_uiGlobal_MsgID_SkypeControlAPIAttach) {
switch (ulParam) {
case SKYPECONTROLAPI_ATTACH_SUCCESS:
if (!tech_pvt->SkypiaxHandles.currentuserhandle) {
//DEBUGA_SKYPE("\n\n\tConnected to Skype API!\n", SKYPIAX_P_LOG);
tech_pvt->SkypiaxHandles.api_connected = 1;
tech_pvt->SkypiaxHandles.win32_hGlobal_SkypeAPIWindowHandle = (HWND) uiParam;
tech_pvt->SkypiaxHandles.win32_hGlobal_SkypeAPIWindowHandle =
tech_pvt->SkypiaxHandles.win32_hGlobal_SkypeAPIWindowHandle;
}
break;
case SKYPECONTROLAPI_ATTACH_PENDING_AUTHORIZATION:
//DEBUGA_SKYPE ("\n\n\tIf I do not (almost) immediately connect to Skype API,\n\tplease give the Skype client authorization to be connected \n\tby Asterisk and to not ask you again.\n\n", SKYPIAX_P_LOG);
skypiax_sleep(5000);
#if 0
if (!tech_pvt->SkypiaxHandles.currentuserhandle) {
SendMessage(HWND_BROADCAST,
tech_pvt->SkypiaxHandles.
win32_uiGlobal_MsgID_SkypeControlAPIDiscover,
(WPARAM) tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle,
0);
}
#endif
break;
case SKYPECONTROLAPI_ATTACH_REFUSED:
ERRORA("Skype client refused to be connected by Skypiax!\n", SKYPIAX_P_LOG);
break;
case SKYPECONTROLAPI_ATTACH_NOT_AVAILABLE:
ERRORA("Skype API not (yet?) available\n", SKYPIAX_P_LOG);
break;
case SKYPECONTROLAPI_ATTACH_API_AVAILABLE:
DEBUGA_SKYPE("Skype API available\n", SKYPIAX_P_LOG);
skypiax_sleep(5000);
#if 0
if (!tech_pvt->SkypiaxHandles.currentuserhandle) {
SendMessage(HWND_BROADCAST,
tech_pvt->SkypiaxHandles.
win32_uiGlobal_MsgID_SkypeControlAPIDiscover,
(WPARAM) tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle,
0);
}
#endif
break;
default:
WARNINGA("GOT AN UNKNOWN SKYPE WINDOWS MSG\n", SKYPIAX_P_LOG);
}
lReturnCode = 1;
break;
}
}
fIssueDefProc = 1;
break;
}
if (fIssueDefProc)
lReturnCode = DefWindowProc(hWindow, uiMessage, uiParam, ulParam);
return (lReturnCode);
}
int win32_Initialize_CreateWindowClass(private_t * tech_pvt)
{
unsigned char *paucUUIDString;
RPC_STATUS lUUIDResult;
int fReturnStatus;
UUID oUUID;
fReturnStatus = 0;
lUUIDResult = UuidCreate(&oUUID);
tech_pvt->SkypiaxHandles.win32_hInit_ProcessHandle =
(HINSTANCE) OpenProcess(PROCESS_DUP_HANDLE, FALSE, GetCurrentProcessId());
if (tech_pvt->SkypiaxHandles.win32_hInit_ProcessHandle != NULL
&& (lUUIDResult == RPC_S_OK || lUUIDResult == RPC_S_UUID_LOCAL_ONLY)) {
if (UuidToString(&oUUID, &paucUUIDString) == RPC_S_OK) {
WNDCLASS oWindowClass;
strcpy(tech_pvt->SkypiaxHandles.win32_acInit_WindowClassName, "Skype-API-Skypiax-");
strcat(tech_pvt->SkypiaxHandles.win32_acInit_WindowClassName,
(char *) paucUUIDString);
oWindowClass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;
oWindowClass.lpfnWndProc = (WNDPROC) & skypiax_present;
oWindowClass.cbClsExtra = 0;
oWindowClass.cbWndExtra = 0;
oWindowClass.hInstance = tech_pvt->SkypiaxHandles.win32_hInit_ProcessHandle;
oWindowClass.hIcon = NULL;
oWindowClass.hCursor = NULL;
oWindowClass.hbrBackground = NULL;
oWindowClass.lpszMenuName = NULL;
oWindowClass.lpszClassName = tech_pvt->SkypiaxHandles.win32_acInit_WindowClassName;
if (RegisterClass(&oWindowClass) != 0)
fReturnStatus = 1;
RpcStringFree(&paucUUIDString);
}
}
if (fReturnStatus == 0)
CloseHandle(tech_pvt->SkypiaxHandles.win32_hInit_ProcessHandle);
tech_pvt->SkypiaxHandles.win32_hInit_ProcessHandle = NULL;
return (fReturnStatus);
}
void win32_DeInitialize_DestroyWindowClass(private_t * tech_pvt)
{
UnregisterClass(tech_pvt->SkypiaxHandles.win32_acInit_WindowClassName,
tech_pvt->SkypiaxHandles.win32_hInit_ProcessHandle);
CloseHandle(tech_pvt->SkypiaxHandles.win32_hInit_ProcessHandle);
tech_pvt->SkypiaxHandles.win32_hInit_ProcessHandle = NULL;
}
int win32_Initialize_CreateMainWindow(private_t * tech_pvt)
{
tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle =
CreateWindowEx(WS_EX_APPWINDOW | WS_EX_WINDOWEDGE,
tech_pvt->SkypiaxHandles.win32_acInit_WindowClassName, "",
WS_BORDER | WS_SYSMENU | WS_MINIMIZEBOX, CW_USEDEFAULT, CW_USEDEFAULT,
128, 128, NULL, 0, tech_pvt->SkypiaxHandles.win32_hInit_ProcessHandle,
tech_pvt);
return (tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle != NULL ? 1 : 0);
}
void win32_DeInitialize_DestroyMainWindow(private_t * tech_pvt)
{
if (tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle != NULL)
DestroyWindow(tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle),
tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle = NULL;
}
void *skypiax_do_skypeapi_thread_func(void *obj)
{
private_t *tech_pvt = obj;
#if defined(WIN32) && !defined(__CYGWIN__)
switch_status_t rv;
switch_file_pipe_create(&tech_pvt->SkypiaxHandles.fdesc[0],
&tech_pvt->SkypiaxHandles.fdesc[1], skypiax_module_pool);
rv =
switch_file_pipe_create(&tech_pvt->SkypiaxHandles.fdesc[0],
&tech_pvt->SkypiaxHandles.fdesc[1], skypiax_module_pool);
#else /* WIN32 */
if (pipe(tech_pvt->SkypiaxHandles.fdesc)) {
fcntl(tech_pvt->SkypiaxHandles.fdesc[0], F_SETFL, O_NONBLOCK);
fcntl(tech_pvt->SkypiaxHandles.fdesc[1], F_SETFL, O_NONBLOCK);
}
#endif /* WIN32 */
tech_pvt->SkypiaxHandles.win32_uiGlobal_MsgID_SkypeControlAPIAttach =
RegisterWindowMessage("SkypeControlAPIAttach");
tech_pvt->SkypiaxHandles.win32_uiGlobal_MsgID_SkypeControlAPIDiscover =
RegisterWindowMessage("SkypeControlAPIDiscover");
skypiax_sleep(200000); //0,2 sec
if (tech_pvt->SkypiaxHandles.win32_uiGlobal_MsgID_SkypeControlAPIAttach != 0
&& tech_pvt->SkypiaxHandles.win32_uiGlobal_MsgID_SkypeControlAPIDiscover != 0) {
if (win32_Initialize_CreateWindowClass(tech_pvt)) {
if (win32_Initialize_CreateMainWindow(tech_pvt)) {
if (SendMessage
(HWND_BROADCAST,
tech_pvt->SkypiaxHandles.win32_uiGlobal_MsgID_SkypeControlAPIDiscover,
(WPARAM) tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle, 0) != 0) {
tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle =
tech_pvt->SkypiaxHandles.win32_hInit_MainWindowHandle;
while (running) {
MSG oMessage;
if (!running)
break;
while (GetMessage(&oMessage, 0, 0, 0)) {
TranslateMessage(&oMessage);
DispatchMessage(&oMessage);
}
}
}
win32_DeInitialize_DestroyMainWindow(tech_pvt);
}
win32_DeInitialize_DestroyWindowClass(tech_pvt);
}
}
return NULL;
}
#else /* NOT WIN32 */
int X11_errors_handler(Display * dpy, XErrorEvent * err)
{
(void) dpy;
private_t *tech_pvt = NULL;
xerror = err->error_code;
ERRORA("Received error code %d from X Server\n\n", SKYPIAX_P_LOG, xerror);
running = 0;
return 0; /* ignore the error */
}
static void X11_errors_trap(void)
{
xerror = 0;
old_handler = XSetErrorHandler(X11_errors_handler);
}
static int X11_errors_untrap(void)
{
XSetErrorHandler(old_handler);
return (xerror != BadValue) && (xerror != BadWindow);
}
int skypiax_send_message(struct SkypiaxHandles *SkypiaxHandles, const char *message_P)
{
Window w_P;
Display *disp;
Window handle_P;
int ok;
private_t *tech_pvt = NULL;
w_P = SkypiaxHandles->skype_win;
disp = SkypiaxHandles->disp;
handle_P = SkypiaxHandles->win;
Atom atom1 = XInternAtom(disp, "SKYPECONTROLAPI_MESSAGE_BEGIN", False);
Atom atom2 = XInternAtom(disp, "SKYPECONTROLAPI_MESSAGE", False);
unsigned int pos = 0;
unsigned int len = strlen(message_P);
XEvent e;
memset(&e, 0, sizeof(e));
e.xclient.type = ClientMessage;
e.xclient.message_type = atom1; /* leading message */
e.xclient.display = disp;
e.xclient.window = handle_P;
e.xclient.format = 8;
X11_errors_trap();
//XLockDisplay(disp);
do {
unsigned int i;
for (i = 0; i < 20 && i + pos <= len; ++i)
e.xclient.data.b[i] = message_P[i + pos];
XSendEvent(disp, w_P, False, 0, &e);
e.xclient.message_type = atom2; /* following messages */
pos += i;
} while (pos <= len);
XSync(disp, False);
ok = X11_errors_untrap();
if (!ok)
ERRORA("Sending message failed with status %d\n", SKYPIAX_P_LOG, xerror);
//XUnlockDisplay(disp);
return 1;
}
int skypiax_signaling_write(private_t * tech_pvt, char *msg_to_skype)
{
struct SkypiaxHandles *SkypiaxHandles;
DEBUGA_SKYPE("SENDING: |||%s||||\n", SKYPIAX_P_LOG, msg_to_skype);
SkypiaxHandles = &tech_pvt->SkypiaxHandles;
if (!skypiax_send_message(SkypiaxHandles, msg_to_skype)) {
ERRORA
("Sending message failed - probably Skype crashed.\n\nPlease shutdown Skypiax, then restart Skype, then launch Skypiax and try again.\n",
SKYPIAX_P_LOG);
return -1;
}
return 0;
}
int skypiax_present(struct SkypiaxHandles *SkypiaxHandles)
{
Atom skype_inst = XInternAtom(SkypiaxHandles->disp, "_SKYPE_INSTANCE", True);
Atom type_ret;
int format_ret;
unsigned long nitems_ret;
unsigned long bytes_after_ret;
unsigned char *prop;
int status;
private_t *tech_pvt = NULL;
X11_errors_trap();
//XLockDisplay(disp);
status =
XGetWindowProperty(SkypiaxHandles->disp, DefaultRootWindow(SkypiaxHandles->disp),
skype_inst, 0, 1, False, XA_WINDOW, &type_ret, &format_ret,
&nitems_ret, &bytes_after_ret, &prop);
//XUnlockDisplay(disp);
X11_errors_untrap();
/* sanity check */
if (status != Success || format_ret != 32 || nitems_ret != 1) {
SkypiaxHandles->skype_win = (Window) - 1;
DEBUGA_SKYPE("Skype instance not found\n", SKYPIAX_P_LOG);
running = 0;
SkypiaxHandles->api_connected = 0;
return 0;
}
SkypiaxHandles->skype_win = *(const unsigned long *) prop & 0xffffffff;
DEBUGA_SKYPE("Skype instance found with id #%d\n", SKYPIAX_P_LOG,
(unsigned int) SkypiaxHandles->skype_win);
SkypiaxHandles->api_connected = 1;
return 1;
}
void skypiax_clean_disp(void *data)
{
int *dispptr;
int disp;
private_t *tech_pvt = NULL;
dispptr = data;
disp = *dispptr;
if (disp) {
DEBUGA_SKYPE("to be destroyed disp %d\n", SKYPIAX_P_LOG, disp);
close(disp);
DEBUGA_SKYPE("destroyed disp\n", SKYPIAX_P_LOG);
} else {
DEBUGA_SKYPE("NOT destroyed disp\n", SKYPIAX_P_LOG);
}
DEBUGA_SKYPE("OUT destroyed disp\n", SKYPIAX_P_LOG);
skypiax_sleep(1000);
}
void *skypiax_do_skypeapi_thread_func(void *obj)
{
private_t *tech_pvt = obj;
struct SkypiaxHandles *SkypiaxHandles;
char buf[512];
Display *disp = NULL;
Window root = -1;
Window win = -1;
if (!strlen(tech_pvt->X11_display))
strcpy(tech_pvt->X11_display, getenv("DISPLAY"));
if (!tech_pvt->tcp_srv_port)
tech_pvt->tcp_srv_port = 10160;
if (!tech_pvt->tcp_cli_port)
tech_pvt->tcp_cli_port = 10161;
if (pipe(tech_pvt->SkypiaxHandles.fdesc)) {
fcntl(tech_pvt->SkypiaxHandles.fdesc[0], F_SETFL, O_NONBLOCK);
fcntl(tech_pvt->SkypiaxHandles.fdesc[1], F_SETFL, O_NONBLOCK);
}
SkypiaxHandles = &tech_pvt->SkypiaxHandles;
disp = XOpenDisplay(tech_pvt->X11_display);
if (!disp) {
ERRORA("Cannot open X Display '%s', exiting skype thread\n", SKYPIAX_P_LOG,
tech_pvt->X11_display);
running = 0;
return NULL;
} else {
DEBUGA_SKYPE("X Display '%s' opened\n", SKYPIAX_P_LOG, tech_pvt->X11_display);
}
int xfd;
xfd = XConnectionNumber(disp);
fcntl(xfd, F_SETFD, FD_CLOEXEC);
SkypiaxHandles->disp = disp;
if (skypiax_present(SkypiaxHandles)) {
root = DefaultRootWindow(disp);
win =
XCreateSimpleWindow(disp, root, 0, 0, 1, 1, 0,
BlackPixel(disp, DefaultScreen(disp)), BlackPixel(disp,
DefaultScreen
(disp)));
SkypiaxHandles->win = win;
snprintf(buf, 512, "NAME skypiax");
if (!skypiax_send_message(SkypiaxHandles, buf)) {
ERRORA
("Sending message failed - probably Skype crashed. Please run/restart Skype manually and launch Skypiax again\n",
SKYPIAX_P_LOG);
running = 0;
return NULL;
}
snprintf(buf, 512, "PROTOCOL 7");
if (!skypiax_send_message(SkypiaxHandles, buf)) {
ERRORA
("Sending message failed - probably Skype crashed. Please run/restart Skype manually and launch Skypiax again\n",
SKYPIAX_P_LOG);
running = 0;
return NULL;
}
/* perform an events loop */
XEvent an_event;
char buf[21]; /* can't be longer */
char buffer[17000];
char *b;
int i;
int continue_is_broken = 0;
Atom atom_begin = XInternAtom(disp, "SKYPECONTROLAPI_MESSAGE_BEGIN", False);
Atom atom_continue = XInternAtom(disp, "SKYPECONTROLAPI_MESSAGE", False);
b = buffer;
while (1) {
XNextEvent(disp, &an_event);
if (!running)
break;
switch (an_event.type) {
case ClientMessage:
if (an_event.xclient.format != 8)
break;
for (i = 0; i < 20 && an_event.xclient.data.b[i] != '\0'; ++i)
buf[i] = an_event.xclient.data.b[i];
buf[i] = '\0';
//DEBUGA_SKYPE ("BUF=|||%s|||\n", SKYPIAX_P_LOG, buf);
if (an_event.xclient.message_type == atom_begin) {
if (strlen(buffer)) {
unsigned int howmany;
howmany = strlen(b) + 1;
howmany = write(SkypiaxHandles->fdesc[1], b, howmany);
DEBUGA_SKYPE("RECEIVED2=|||%s|||\n", SKYPIAX_P_LOG, buffer);
memset(buffer, '\0', 17000);
}
}
if (an_event.xclient.message_type == atom_continue) {
if (!strlen(buffer)) {
DEBUGA_SKYPE
("Got a 'continue' XAtom without a previous 'begin'. It's value (between vertical bars) is=|||%s|||\n",
SKYPIAX_P_LOG, buf);
continue_is_broken = 1;
if (!strncmp(buf, "ognised identity", 15)) {
WARNINGA
("Got a 'continue' XAtom without a previous 'begin'. It's value (between vertical bars) is=|||%s|||. Let's introduce a 1 second delay.\n",
SKYPIAX_P_LOG, buf);
skypiax_sleep(1000000); //1 sec
}
break;
}
}
strcat(buffer, buf);
if (i < 20 || continue_is_broken) { /* last fragment */
unsigned int howmany;
howmany = strlen(b) + 1;
howmany = write(SkypiaxHandles->fdesc[1], b, howmany);
//DEBUGA_SKYPE ("RECEIVED=|||%s|||\n", SKYPIAX_P_LOG, buffer);
memset(buffer, '\0', 17000);
XFlush(disp);
continue_is_broken = 0;
}
break;
default:
break;
}
}
} else {
ERRORA
("Skype is not running, maybe crashed. Please run/restart Skype and relaunch Skypiax\n",
SKYPIAX_P_LOG);
running = 0;
return NULL;
}
running = 0;
return NULL;
}
#endif // WIN32
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