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Started to work on nmux today

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This commit is contained in:
ha7ilm 2017-01-10 10:34:42 +01:00
parent 11d639b7a3
commit 377faec68e
4 changed files with 16 additions and 8 deletions
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2
Makefile
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@ -44,7 +44,7 @@ PARAMS_MISC = -Wno-unused-result
FFTW_PACKAGE = fftw-3.3.3 FFTW_PACKAGE = fftw-3.3.3
.PHONY: clean-vect clean .PHONY: clean-vect clean
all: csdr ddcd all: csdr nmux
libcsdr.so: fft_fftw.c fft_rpi.c libcsdr_wrapper.c libcsdr.c libcsdr_gpl.c fastddc.c fastddc.h fft_fftw.h fft_rpi.h ima_adpcm.h libcsdr_gpl.h libcsdr.h predefined.h libcsdr.so: fft_fftw.c fft_rpi.c libcsdr_wrapper.c libcsdr.c libcsdr_gpl.c fastddc.c fastddc.h fft_fftw.h fft_rpi.h ima_adpcm.h libcsdr_gpl.h libcsdr.h predefined.h
@echo NOTE: you may have to manually edit Makefile to optimize for your CPU \(especially if you compile on ARM, please edit PARAMS_NEON\). @echo NOTE: you may have to manually edit Makefile to optimize for your CPU \(especially if you compile on ARM, please edit PARAMS_NEON\).
@echo Auto-detected optimization parameters: $(PARAMS_SIMD) @echo Auto-detected optimization parameters: $(PARAMS_SIMD)

10
nmux.cpp
View file

@ -28,7 +28,7 @@ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/ */
#include "tsmpool.h" #include "nmux.h"
int host_port = 0; int host_port = 0;
char host_address[100] = "127.0.0.1"; char host_address[100] = "127.0.0.1";
@ -38,7 +38,7 @@ int thread_cntr = 0;
int bufsize = 1024; //! currently unused int bufsize = 1024; //! currently unused
int bufcnt = 1024; int bufcnt = 1024;
char* global_argv; char** global_argv;
int global_argc; int global_argc;
tsmpool* pool; tsmpool* pool;
@ -150,8 +150,9 @@ int main(int argc, char* argv[])
unsigned char* current_write_buffer = pool->get_write_buffer(); unsigned char* current_write_buffer = pool->get_write_buffer();
int index_in_current_write_buffer = 0; int index_in_current_write_buffer = 0;
pthread_cond_t* wait_condition = new wait_condition; pthread_cond_t* wait_condition = new pthread_cond_t;
pthread_cond_init(wait_condition, NULL); if(!pthread_cond_init(wait_condition, NULL))
print_exit(MSG_START "pthread_cond_init failed"); //cond_attrs is ignored by Linux
for(;;) for(;;)
{ {
@ -181,7 +182,6 @@ int main(int argc, char* argv[])
} }
else else
{ {
fprintf(stderr, MSG_START "pthread_create() failed.\n"); fprintf(stderr, MSG_START "pthread_create() failed.\n");
} }
} }

6
nmux.h
View file

@ -1,5 +1,9 @@
#include <stdio.h> #include <stdio.h>
#include <socket.h> #include <stdlib.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "tsmpool.h"
#define MSG_START "nmux: " #define MSG_START "nmux: "

6
tsmpool.h
View file

@ -3,6 +3,10 @@
//It implements a big circular buffer that one thread writes into, and multiple threads read from. //It implements a big circular buffer that one thread writes into, and multiple threads read from.
//The reader threads have lower priority than the writer thread (they can be left behind if the don't read fast enough). //The reader threads have lower priority than the writer thread (they can be left behind if the don't read fast enough).
#include <vector>
using namespace std;
typedef struct tsmthread_s typedef struct tsmthread_s
{ {
int read_index; //it always points to the next buffer to be read int read_index; //it always points to the next buffer to be read
@ -31,4 +35,4 @@ public:
void* get_read_buffer(tsmthread_t* thread); void* get_read_buffer(tsmthread_t* thread);
int index_next(int index) { return (index+1==size)?0:index; } int index_next(int index) { return (index+1==size)?0:index; }
int index_before(int index) { return (index-1<0)?size-1:index; } int index_before(int index) { return (index-1<0)?size-1:index; }
} };