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freeswitch-contrib
提交 fd3602dd authored 作者: Leon de Rooij's avatar Leon de Rooij
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now generating fake headers - still sucks this way 

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk/contrib@15442 d0543943-73ff-0310-b7d9-9358b9ac24b2
上级 9f7d8a45
隐藏空白字符变更
内嵌 并排
正在显示 包含 101 行增加 和 66 行删除
ledr/c/mod_pcli/mod_pcli.c
浏览文件 @ fd3602dd
......@@ -37,6 +37,11 @@ SWITCH_MODULE_DEFINITION(mod_pcli, mod_pcli_load, mod_pcli_shutdown, NULL);
SWITCH_STANDARD_APP(pcli_start_function);
#define PCLI_HEADER_LEN 4
#define IP_HEADER_LEN 20
#define UDP_HEADER_LEN 8
#define RTP_HEADER_LEN 12
typedef enum {
PCLI_MEDIA_DIRECTION_UNKNOWN, /* 0 */
PCLI_MEDIA_DIRECTION_FROM_TARGET, /* 1 */
......@@ -57,8 +62,8 @@ static struct {
} pcli_globals;
// temporary declaration here.. remove after testing is done !!!!
static switch_status_t gen_pcli_header(uint32_t *pcli_header, pcli_media_direction_t media_direction, uint16_t call_id, uint8_t switch_id, uint16_t ini_id);
static switch_status_t send_packet();
static switch_status_t gen_pcli_header(char *pcli_header, pcli_media_direction_t media_direction, uint16_t call_id, uint8_t switch_id, uint16_t ini_id);
//static switch_status_t send_packet();
typedef struct {
switch_core_session_t *session;
......@@ -138,37 +143,35 @@ static switch_status_t do_config(switch_bool_t reload)
}
static switch_status_t send_packet() {
/* create a pcli header */
uint32_t pcli_header;
pcli_media_direction_t media_direction = PCLI_MEDIA_DIRECTION_FROM_TARGET;
uint16_t call_id = 123;
uint8_t switch_id = 12;
uint16_t ini_id = 10741;
gen_pcli_header(&pcli_header, media_direction, call_id, switch_id, ini_id);
uint32_t network_byte_order_pcli_header;
network_byte_order_pcli_header = htonl(pcli_header);
/* create a pcli body */
char *pcli_body = "ABCD";
/* create a full packet */
char *packet; // TODO shouldn't this be unsigned ?
packet = malloc(sizeof(network_byte_order_pcli_header) + sizeof(pcli_body));
memcpy(packet, &network_byte_order_pcli_header, sizeof(network_byte_order_pcli_header));
memcpy(packet + sizeof(network_byte_order_pcli_header), pcli_body, sizeof(pcli_body));
size_t packetsize;
packetsize = sizeof(packet);
//switch_socket_sendto(pcli_globals.socket, remote_sockaddr, 0, packet, &packetsize);
switch_socket_sendto(pcli_globals.socket, pcli_globals.remote_sockaddr, 0, packet, &packetsize);
return SWITCH_STATUS_SUCCESS;
}
//static switch_status_t send_packet() {
// /* create a pcli header */
// uint32_t pcli_header;
// pcli_media_direction_t media_direction = PCLI_MEDIA_DIRECTION_FROM_TARGET;
// uint16_t call_id = 123;
// uint8_t switch_id = 12;
// uint16_t ini_id = 10741;
// gen_pcli_header(&pcli_header, media_direction, call_id, switch_id, ini_id);
//
// uint32_t network_byte_order_pcli_header;
// network_byte_order_pcli_header = htonl(pcli_header);
//
// /* create a pcli body */
// char *pcli_body = "ABCD";
//
// /* create a full packet */
// char *packet; // TODO shouldn't this be unsigned ?
// packet = malloc(sizeof(network_byte_order_pcli_header) + sizeof(pcli_body));
// memcpy(packet, &network_byte_order_pcli_header, sizeof(network_byte_order_pcli_header));
// memcpy(packet + sizeof(network_byte_order_pcli_header), pcli_body, sizeof(pcli_body));
//
// size_t packetsize;
// packetsize = sizeof(packet);
//
// //switch_socket_sendto(pcli_globals.socket, remote_sockaddr, 0, packet, &packetsize);
// switch_socket_sendto(pcli_globals.socket, pcli_globals.remote_sockaddr, 0, packet, &packetsize);
//
// return SWITCH_STATUS_SUCCESS;
//}
/* called when SWITCH_EVENT_RELOADXML is sent to this module */
......@@ -177,22 +180,8 @@ static void reload_event_handler(switch_event_t *event)
do_config(SWITCH_TRUE);
}
/*
static switch_status_t gen_fake_ipv4_header()
{
}
static switch_status_t gen_fake_udp_header()
{
}
static switch_status_t gen_fake_rtp_body()
{
}
*/
/* generate a PacketCable Lawful Intercept header, that can be prepended to an RTP packet */
static switch_status_t gen_pcli_header(uint32_t *pcli_header, pcli_media_direction_t media_direction, uint16_t instance_id, uint8_t switch_id, uint16_t ini_id)
static switch_status_t gen_pcli_header(char *pcli_header, pcli_media_direction_t media_direction, uint16_t instance_id, uint8_t switch_id, uint16_t ini_id)
{
/* some sanity checks */
......@@ -222,6 +211,27 @@ static switch_status_t gen_pcli_header(uint32_t *pcli_header, pcli_media_directi
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t gen_ip_header(char *ip_header, uint16_t payload_size)
{
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t gen_udp_header(char *udp_header, uint16_t payload_size)
{
return SWITCH_STATUS_SUCCESS;
}
static switch_status_t gen_rtp_header(char *rtp_header, switch_payload_t payload, uint16_t seq, uint32_t timestamp, uint32_t ssrc)
{
return SWITCH_STATUS_SUCCESS;
}
static void print_frame_stats(switch_frame_t *frame)
{
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "FRAME STATISTICS: seq[%u] ssrc[%lu] datalen[%lu] rate [%lu] samples [%lu]\n",
(unsigned)frame->seq, (unsigned long)frame->ssrc, (unsigned long)frame->datalen, (unsigned long)frame->rate, (unsigned long)frame->samples);
}
static switch_bool_t pcli_callback(switch_media_bug_t *bug, void *user_data, switch_abc_type_t type)
{
//pcli_session_helper_t *helper = (pcli_session_helper_t *) user_data;
......@@ -232,35 +242,61 @@ static switch_bool_t pcli_callback(switch_media_bug_t *bug, void *user_data, swi
case SWITCH_ABC_TYPE_CLOSE:
case SWITCH_ABC_TYPE_READ:
case SWITCH_ABC_TYPE_WRITE:
case SWITCH_ABC_TYPE_READ_REPLACE:
case SWITCH_ABC_TYPE_WRITE_REPLACE:
break;
case SWITCH_ABC_TYPE_READ_EARLY:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "--> SWITCH_ABC_TYPE_READ_EARLY\n");
/*
case SWITCH_ABC_TYPE_READ_REPLACE:
{
switch_frame_t *rframe = switch_core_media_bug_get_read_replace_frame(bug);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "--> READ_REPLACE seq[%u] ssrc[%lu] packetlen[%lu] rate [%lu] samples [%lu]\n",
(unsigned)rframe->seq, (unsigned long)rframe->ssrc, (unsigned long)rframe->packetlen, (unsigned long)rframe->rate, (unsigned long)rframe->samples);
switch_size_t packetlength = sizeof(rframe->packet);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, ">>> [%lu]\n", (unsigned long)packetlength);
switch_frame_t *rframe = switch_core_media_bug_get_read_replace_frame(bug);
print_frame_stats(rframe);
char pcli_header[PCLI_HEADER_LEN];
char ip_header[IP_HEADER_LEN];
char udp_header[UDP_HEADER_LEN];
char rtp_header[RTP_HEADER_LEN];
char packet[PCLI_HEADER_LEN + IP_HEADER_LEN + UDP_HEADER_LEN + RTP_HEADER_LEN + rframe->datalen];
char *in_packet_pointer = packet;
gen_rtp_header(rtp_header, rframe->payload, rframe->seq, rframe->timestamp, rframe->ssrc);
gen_udp_header(udp_header, RTP_HEADER_LEN + rframe->datalen);
gen_ip_header(ip_header, UDP_HEADER_LEN + RTP_HEADER_LEN + rframe->datalen);
gen_pcli_header(pcli_header, PCLI_MEDIA_DIRECTION_FROM_TARGET, 1, 1, 1); // 1,1,1 = instance_id, switch_id, ini_id
memcpy(in_packet_pointer, pcli_header, sizeof(pcli_header));
in_packet_pointer += PCLI_HEADER_LEN;
memcpy(in_packet_pointer, ip_header, sizeof(ip_header));
in_packet_pointer += IP_HEADER_LEN;
//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "HELPER.SESSION->RAW_READ_FRAME.DATALEN [%lu]\n", helper->session->raw_read_frame.datalen);
memcpy(in_packet_pointer, udp_header, sizeof(udp_header));
in_packet_pointer += UDP_HEADER_LEN;
memcpy(in_packet_pointer, rtp_header, sizeof(rtp_header));
in_packet_pointer += RTP_HEADER_LEN;
memcpy(in_packet_pointer, rframe->data, rframe->datalen);
/* since the (fake) rtp header is almost static, we know the size in advance */
//packet = malloc(packet_len);
// memcpy(packet, rframe->data, rframe->datalen);
// packet_len += rframe->datalen;
//memcpy(packet, &network_byte_order_pcli_header, sizeof(network_byte_order_pcli_header));
//memcpy(packet + sizeof(network_byte_order_pcli_header), pcli_body, sizeof(pcli_body));
// free(packet);
}
*/
break;
case SWITCH_ABC_TYPE_WRITE_LATE:
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "--> SWITCH_ABC_TYPE_WRITE_LATE\n");
case SWITCH_ABC_TYPE_WRITE_REPLACE:
break;
}
send_packet();
//send_packet();
return SWITCH_TRUE;
}
......@@ -321,8 +357,7 @@ SWITCH_STANDARD_APP(pcli_start_function)
}
/* add the bug */
//status = switch_core_media_bug_add(session, pcli_callback, pcli_session_helper, 0, SMBF_READ_REPLACE | SMBF_WRITE_REPLACE, &bug);
status = switch_core_media_bug_add(session, pcli_callback, pcli_session_helper, 0, SMBF_READ_STREAM, &bug);
status = switch_core_media_bug_add(session, pcli_callback, pcli_session_helper, 0, SMBF_READ_REPLACE | SMBF_WRITE_REPLACE, &bug);
if (status != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Failure hooking to stream\n");
......
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