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send msg count query and print results

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This commit is contained in:
Andy2 2010-09-24 05:51:42 -07:00
parent b0c6e6da9c
commit f7bad05390
1 changed files with 42 additions and 0 deletions
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42
xwords4/relay/rq.c
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@ -62,6 +62,25 @@ usage( const char * const argv0 )
exit( 1 ); exit( 1 );
} }
int
read_packet( int sock, unsigned char* buf, int buflen )
{
int result = -1;
ssize_t nread;
unsigned short msgLen;
nread = recv( sock, &msgLen, sizeof(msgLen), MSG_WAITALL );
if ( nread == sizeof(msgLen) ) {
msgLen = ntohs( msgLen );
if ( msgLen <= buflen ) {
nread = recv( sock, buf, msgLen, MSG_WAITALL );
if ( nread == msgLen ) {
result = nread;
}
}
}
return result;
}
static void static void
do_rooms( int sockfd, int lang, int nPlayers ) do_rooms( int sockfd, int lang, int nPlayers )
{ {
@ -117,6 +136,29 @@ do_msgs( int sockfd, const char** connNames, int nConnNames )
write( sockfd, connNames[ii], strlen(connNames[ii]) ); write( sockfd, connNames[ii], strlen(connNames[ii]) );
write( sockfd, "\n", 1 ); write( sockfd, "\n", 1 );
} }
fprintf( stderr, "Waiting for response....\n" );
unsigned char reply[1024];
int nRead = read_packet( sockfd, reply, sizeof(reply) );
if ( nRead > 2 ) {
const unsigned char* bufp = reply;
const unsigned char* const end = bufp + nRead;
unsigned short count;
memcpy( &count, bufp, sizeof( count ) );
bufp += sizeof( count );
count = ntohs( count );
assert( count == nConnNames );
fprintf( stderr, "got count: %d\n", count );
int ii;
for ( ii = 0; ii < nConnNames && bufp < end; ++ii ) {
memcpy( &count, bufp, sizeof( count ) );
bufp += sizeof( count );
count = ntohs( count );
fprintf( stdout, "%s -- %d\n", connNames[ii], count );
}
}
} /* do_msgs */ } /* do_msgs */
int int