Commit aa935693 authored by Sam Hocevar's avatar Sam Hocevar
Browse files

* src/stream_output/announce.c:

    + Coding style fixes.
    + Use memcpy() instead of for() loops.
parent 8c7b5a88
......@@ -2,7 +2,7 @@
* announce.h : Session announcement
*****************************************************************************
* Copyright (C) 2002 VideoLAN
* $Id: announce.h,v 1.6 2003/07/05 15:00:28 zorglub Exp $
* $Id: announce.h,v 1.7 2003/07/17 14:10:08 sam Exp $
*
* Authors: Clment Stenac <zorglub@via.ecp.fr>
*
......@@ -51,8 +51,8 @@ struct sap_session_t
char psz_name[1024];
char psz_port[8];
module_t p_network;
unsigned int socket;
unsigned int sendnow;
unsigned int i_socket;
unsigned int i_calls;
int i_ip_version;
};
......
......@@ -58,9 +58,9 @@ static char * split( char *psz_in, char *psz_out1, char *psz_out2, char delim)
{
unsigned int i_count = 0; /*pos in input string*/
unsigned int i_pos1 = 0; /*pos in out2 string */
unsigned int i_pos2 = 0;
unsigned int i_pos2 = 0;
char *psz_cur; /*store the pos of the first delim found */
/*skip spaces at the beginning*/
while(psz_in[i_count] == ' ' && i_count < strlen(psz_in))
{
......@@ -68,7 +68,7 @@ static char * split( char *psz_in, char *psz_out1, char *psz_out2, char delim)
}
if(i_count == strlen(psz_in))
return NULL;
/*Look for delim*/
while(psz_in[i_count] != delim && i_count < strlen(psz_in))
{
......@@ -78,26 +78,26 @@ static char * split( char *psz_in, char *psz_out1, char *psz_out2, char delim)
}
/* Mark the end of out1 */
psz_out1[i_pos1] = 0;
if(i_count == strlen(psz_in))
return NULL;
/*store pos of the first delim*/
psz_cur = &psz_in[i_count];
/*skip all delim and all spaces*/
while( (psz_in[i_count] == ' ' ||
psz_in[i_count] == delim)
while( (psz_in[i_count] == ' ' ||
psz_in[i_count] == delim)
&& i_count < strlen(psz_in))
{
i_count++;
}
if(i_count == strlen(psz_in))
return psz_cur;
/*Store the second string*/
while(i_count < strlen(psz_in))
{
......@@ -106,14 +106,14 @@ static char * split( char *psz_in, char *psz_out1, char *psz_out2, char delim)
i_count++;
}
psz_out2[i_pos2] = 0;
return psz_cur;
}
/*****************************************************************************
* sout_SAPNew: Creates a SAP Session
*****************************************************************************/
sap_session_t * sout_SAPNew ( sout_instance_t *p_sout ,
sap_session_t * sout_SAPNew ( sout_instance_t *p_sout,
char * psz_url_arg,
char * psz_name_arg, int ip_version,
char * psz_v6_scope )
......@@ -125,72 +125,72 @@ sap_session_t * sout_SAPNew ( sout_instance_t *p_sout ,
char *sap_ipv6_addr=NULL; /* IPv6 built address */
char *psz_eol; /* Used to parse IPv6 URIs */
int i_port; /* Port in numerical format */
/* Allocate the SAP structure */
p_new = (sap_session_t *)malloc( sizeof ( sap_session_t ) ) ;
p_new = (sap_session_t *) malloc( sizeof ( sap_session_t ) ) ;
if ( !p_new )
{
msg_Err( p_sout, "No memory left" );
msg_Err( p_sout, "out of memory" );
return NULL;
}
/* Fill the information in the structure */
if( strstr( psz_url_arg , "[" ) )
if( strstr( psz_url_arg, "[" ) )
{ /* We have an IPv6 address. Do not use ':' as the port separator */
psz_eol = strchr( psz_url_arg, ']' );
if( !psz_eol ) /* No matching ] ! Aborting */
{
msg_Warn( p_sout , "No matching ]. Unable to parse URI");
msg_Warn( p_sout, "no matching ], unable to parse URI");
return NULL;
}
if(!psz_eol++)
if( !psz_eol++ )
{
sprintf (p_new->psz_url, "%s", psz_url_arg);
sprintf (p_new->psz_port, "%s", DEFAULT_PORT);
sprintf( p_new->psz_url, "%s", psz_url_arg );
sprintf( p_new->psz_port, "%s", DEFAULT_PORT );
}
else
{
*psz_eol = '\0';
sprintf (p_new->psz_url, "%s", psz_url_arg);
sprintf( p_new->psz_url, "%s", psz_url_arg );
psz_eol++;
if(psz_eol)
if( psz_eol )
{
sprintf (p_new->psz_port, "%s", psz_eol);
sprintf( p_new->psz_port, "%s", psz_eol );
}
}
}
}
else
{
split(psz_url_arg,p_new->psz_url,p_new->psz_port,':');
split( psz_url_arg, p_new->psz_url, p_new->psz_port, ':' );
}
/* Check if we have a port */
if( !strlen(p_new->psz_port) )
if( !strlen( p_new->psz_port ) )
{
sprintf (p_new->psz_port, "%s", DEFAULT_PORT);
sprintf( p_new->psz_port, "%s", DEFAULT_PORT );
}
/* Make sure our port is valid and atoi it*/
i_port = atoi( p_new->psz_port );
if( !i_port )
{
sprintf (p_new->psz_port, "%s", DEFAULT_PORT);
sprintf( p_new->psz_port, "%s", DEFAULT_PORT );
}
else
{
sprintf (p_new->psz_port, "%i", i_port);
sprintf( p_new->psz_port, "%i", i_port );
}
/* The name that we send */
sprintf ( p_new->psz_name , "%s" , psz_name_arg );
/* The name that we send */
sprintf( p_new->psz_name, "%s", psz_name_arg );
p_new->i_ip_version = ip_version;
/* Only "6" triggers IPv6. IPv4 is default */
if( ip_version != 6 )
{
msg_Dbg( p_sout , "Creating IPv4 SAP socket" );
msg_Dbg( p_sout, "creating IPv4 SAP socket" );
/* Fill the socket descriptor */
socket_desc.i_type = NETWORK_UDP;
......@@ -202,7 +202,7 @@ sap_session_t * sout_SAPNew ( sout_instance_t *p_sout ,
/* Call the network module */
sprintf ( psz_network, "ipv4" );
p_sout->p_private=(void*) &socket_desc;
p_sout->p_private = (void*) &socket_desc;
if( !( p_network = module_Need( p_sout, "network", psz_network ) ) )
{
msg_Warn( p_sout, "failed to open a connection (udp)" );
......@@ -210,42 +210,40 @@ sap_session_t * sout_SAPNew ( sout_instance_t *p_sout ,
}
module_Unneed( p_sout, p_network );
p_new->socket = socket_desc.i_handle;
if(p_new->socket <= 0 )
p_new->i_socket = socket_desc.i_handle;
if( p_new->i_socket < 0 )
{
msg_Warn( p_sout, "Unable to initialize SAP" );
msg_Warn( p_sout, "unable to initialize SAP" );
return NULL;
}
}
else
{
msg_Dbg(p_sout , "Creating IPv6 SAP socket with scope %s"
, psz_v6_scope );
msg_Dbg( p_sout, "creating IPv6 SAP socket with scope %s",
psz_v6_scope );
/* Initialize and build the IPv6 address to broadcast to */
sap_ipv6_addr = (char *)malloc(28*sizeof(char));
sap_ipv6_addr = (char *) malloc( 28 * sizeof(char) );
if ( !sap_ipv6_addr )
{
msg_Err( p_sout, "No memory left" );
msg_Err( p_sout, "out of memory" );
return NULL;
}
sprintf(sap_ipv6_addr,"%s%c%s",
SAP_IPV6_ADDR_1,
psz_v6_scope[0],
SAP_IPV6_ADDR_2);
sprintf( sap_ipv6_addr, "%s%c%s",
SAP_IPV6_ADDR_1, psz_v6_scope[0], SAP_IPV6_ADDR_2 );
/* Fill the socket descriptor */
socket_desc.i_type = NETWORK_UDP;
socket_desc.psz_bind_addr = "";
socket_desc.i_bind_port = 0;
socket_desc.i_type = NETWORK_UDP;
socket_desc.psz_bind_addr = "";
socket_desc.i_bind_port = 0;
socket_desc.psz_server_addr = sap_ipv6_addr;
socket_desc.i_server_port = SAP_PORT;
socket_desc.i_handle = 0;
socket_desc.i_server_port = SAP_PORT;
socket_desc.i_handle = 0;
sprintf ( psz_network, "ipv6" );
/* Call the network module */
p_sout->p_private=(void*) &socket_desc;
p_sout->p_private = (void *) &socket_desc;
if( !( p_network = module_Need( p_sout, "network", psz_network ) ) )
{
msg_Warn( p_sout, "failed to open a connection (udp)" );
......@@ -253,19 +251,21 @@ sap_session_t * sout_SAPNew ( sout_instance_t *p_sout ,
}
module_Unneed( p_sout, p_network );
p_new->socket = socket_desc.i_handle;
if(p_new->socket <= 0 )
p_new->i_socket = socket_desc.i_handle;
if( p_new->i_socket <= 0 )
{
msg_Warn( p_sout, "Unable to initialize SAP" );
msg_Warn( p_sout, "unable to initialize SAP" );
return NULL;
}
/* Free what we allocated */
if( sap_ipv6_addr ) free(sap_ipv6_addr);
if( sap_ipv6_addr )
{
free( sap_ipv6_addr );
}
}
msg_Dbg (p_sout,"SAP initialization complete");
msg_Dbg( p_sout, "SAP initialization complete" );
return(p_new);
}
......@@ -273,14 +273,14 @@ sap_session_t * sout_SAPNew ( sout_instance_t *p_sout ,
/*****************************************************************************
* sout_SAPDelete: Deletes a SAP Session
*****************************************************************************/
void sout_SAPDelete( sout_instance_t *p_sout , sap_session_t * p_this )
void sout_SAPDelete( sout_instance_t *p_sout, sap_session_t * p_this )
{
if( close( p_this->socket ) )
if( close( p_this->i_socket ) )
{
msg_Err ( p_sout, "Unable to close SAP socket");
msg_Err( p_sout, "unable to close SAP socket" );
}
if( p_this ) free( p_this );
free( p_this );
}
/*****************************************************************************
......@@ -288,99 +288,92 @@ void sout_SAPDelete( sout_instance_t *p_sout , sap_session_t * p_this )
*****************************************************************************/
void sout_SAPSend( sout_instance_t *p_sout, sap_session_t * p_this)
{
char *sap_head; /* SAP header */
char sap_msg[1000]; /* SDP content */
char *sap_send; /* What we send */
char *payload_type="application/sdp";
int i_send_result=0; /* Result of send */
int i;
char psz_msg[1000]; /* SDP content */
char *psz_head; /* SAP header */
char *psz_send; /* What we send */
char *psz_type = "application/sdp";
int i_header_size; /* SAP header size */
int i_msg_size; /* SDP content size */
int i_size; /* Total size */
int i_ret = 0;
/* We send a packet every 24 calls to the function */
if( p_this->sendnow == 24 )
if( p_this->i_calls++ < 24 )
{
i_header_size = 9 + strlen( payload_type );
sap_head = ( char * )malloc( i_header_size * sizeof( char ) );
return;
}
if( ! sap_head )
{
msg_Warn( p_sout , "No memory left");
return;
}
i_header_size = 8 + strlen( psz_type ) + 1;
psz_head = (char *) malloc( i_header_size * sizeof( char ) );
/* Create the SAP headers */
sap_head[0]=0x20; /* Means IPv4, not encrypted, not compressed */
sap_head[1]=0x00; /* No authentification */
sap_head[2]=0x42; /* Version */
sap_head[3]=0x12; /* Version */
sap_head[4]=0x01; /* Source IP FIXME: we should get the real address */
sap_head[5]=0x02; /* idem */
sap_head[6]=0x03; /* idem */
sap_head[7]=0x04; /* idem */
strncpy( sap_head+8 , payload_type , 15 );
sap_head[ i_header_size-1 ] = '\0';
/* Create the SDP content */
/* Do not add spaces at beginning of the lines ! */
sprintf( sap_msg, "v=0\n"
"o=VideoLAN 3247692199 3247895918 IN IP4 VideoLAN\n"
"s=%s\n"
"u=VideoLAN\n"
"t=0 0\n"
"m=audio %s udp 14\n"
"c=IN IP4 %s/15\n"
"a=type:test\n",
p_this->psz_name , p_this->psz_port , p_this->psz_url );
i_msg_size = strlen( sap_msg );
i_size = i_msg_size + i_header_size;
/* Create the message */
sap_send = ( char* )malloc( i_size*sizeof(char) );
if( !sap_send )
{
msg_Err( p_sout , "No memory left") ;
return;
}
if( ! psz_head )
{
msg_Err( p_sout, "out of memory" );
return;
}
for( i = 0 ; i < i_header_size ; i++ )
{
sap_send[i] = sap_head[i];
}
/* Create the SAP headers */
psz_head[0] = 0x20; /* Means IPv4, not encrypted, not compressed */
psz_head[1] = 0x00; /* No authentification */
psz_head[2] = 0x42; /* Version */
psz_head[3] = 0x12; /* Version */
psz_head[4] = 0x01; /* Source IP FIXME: we should get the real address */
psz_head[5] = 0x02; /* idem */
psz_head[6] = 0x03; /* idem */
psz_head[7] = 0x04; /* idem */
strncpy( psz_head + 8, psz_type, 15 );
psz_head[ i_header_size-1 ] = '\0';
/* Create the SDP content */
/* Do not add spaces at beginning of the lines ! */
sprintf( psz_msg, "v=0\n"
"o=VideoLAN 3247692199 3247895918 IN IP4 VideoLAN\n"
"s=%s\n"
"u=VideoLAN\n"
"t=0 0\n"
"m=audio %s udp 14\n"
"c=IN IP4 %s/15\n"
"a=type:test\n",
p_this->psz_name, p_this->psz_port, p_this->psz_url );
i_msg_size = strlen( psz_msg );
i_size = i_msg_size + i_header_size;
/* Create the message */
psz_send = (char *) malloc( i_size*sizeof(char) );
if( !psz_send )
{
msg_Err( p_sout, "out of memory" );
return;
}
for( ; i < i_size ; i++ )
{
sap_send[i] = sap_msg[i-i_header_size];
}
memcpy( psz_send, psz_head, i_header_size );
memcpy( psz_send + i_header_size, psz_msg, i_msg_size );
if( i_size < 1024 ) /* We mustn't send packets larger than 1024B */
if( i_size < 1024 ) /* We mustn't send packets larger than 1024B */
{
if( p_this->i_ip_version == 6 )
{
if( p_this->i_ip_version == 6)
{
i_send_result = send( p_this->socket, sap_send, i_size, 0 );
}
else
{
i_send_result = send( p_this->socket, sap_send, i_size, 0 );
}
i_ret = send( p_this->i_socket, psz_send, i_size, 0 );
}
if( i_send_result == -1 )
else
{
msg_Warn(p_sout, "SAP send failed on socket %i", p_this->socket );
perror("sendto");
i_ret = send( p_this->i_socket, psz_send, i_size, 0 );
}
}
p_this->sendnow = 0;
/* Free what we allocated */
if(sap_send) free(sap_send);
if(sap_head) free(sap_head);
if( i_ret <= 0 )
{
msg_Warn( p_sout, "SAP send failed on socket %i (%s)",
p_this->i_socket, strerror(errno) );
}
p_this->sendnow++;
p_this->i_calls = 0;
/* Free what we allocated */
free( psz_send );
free( psz_head );
}
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