write data packer + add playground app
parent
a4ce84c5f9
commit
44ade35dd0
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@ -19,3 +19,4 @@ add_subdirectory(code/vendors)
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add_subdirectory(code/apps/client)
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add_subdirectory(code/apps/server)
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add_subdirectory(code/apps/playground)
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@ -0,0 +1,7 @@
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add_executable(playground
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source/main.c
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)
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include_directories(header)
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target_link_libraries(playground eco2d-common cwpack)
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link_system_libs(playground)
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@ -0,0 +1,9 @@
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#pragma once
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uint64_t world_chunk_size(void) {
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return 4;
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}
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uint64_t world_chunk_amount(void) {
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return 8;
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}
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@ -0,0 +1,35 @@
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#define ZPL_IMPL
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#define ZPL_NANO
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#include <zpl.h>
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#include "mock.h"
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#include "packets/packet.h"
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int32_t mock_pkt_decode(pkt_desc *desc, uint32_t args, size_t msg_size, void *data, uint32_t size) {
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pkt_header header = {
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.data = pkt_buffer,
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.datalen = msg_size
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};
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return pkt_msg_decode(&header, desc, args, data, size);
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}
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int main(void) {
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pkt_01_welcome test_data = {
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.chunk_size = world_chunk_size(),
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.chunk_amount = world_chunk_amount()
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};
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for (int i = 0; i < 4; i += 1){
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test_data.numbers[i] = i*2;
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}
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size_t msg_size = pkt_01_welcome_encode(&test_data);
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pkt_01_welcome resp = {0};
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if (mock_pkt_decode(pkt_01_welcome_desc, 3, msg_size, PKT_STRUCT_PTR(&resp))) {
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zpl_printf("[err] oopsie!\n");
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}
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zpl_printf("size %d, amt %d, num[1] %d struct %d msg %d\n", resp.chunk_size, resp.chunk_amount, resp.numbers[1], sizeof(pkt_01_welcome), msg_size);
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return 0;
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}
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@ -12,6 +12,7 @@ pkt_handler pkt_handlers[] = {
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};
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uint8_t pkt_buffer[PKT_BUFSIZ];
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uint8_t pkt_pack_buffer[PKT_BUFSIZ];
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int32_t pkt_header_encode(pkt_header *table) {
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return 0;
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@ -45,11 +46,15 @@ int32_t pkt_unpack_struct(cw_unpack_context *uc, pkt_desc *desc, void *raw_blob,
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for (pkt_desc *field = desc; field->type != CWP_NOT_AN_ITEM; ++field) {
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cw_unpack_next(uc);
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if (uc->item.type != field->type) return -1; // unexpected field
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if (blob + field->offset + field->size >= blob + blob_size) return -1; // field does not fit
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if (blob + field->offset + field->size > blob + blob_size) return -1; // field does not fit
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switch (field->type) {
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case CWP_ITEM_POSITIVE_INTEGER: {
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zpl_memcopy(blob + field->offset, (uint8_t*)&uc->item.as.u64, field->size);
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}break;
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case CWP_ITEM_BIN: {
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if (uc->item.as.bin.length != field->size) return -1; // bin size mismatch
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zpl_memcopy(blob + field->offset, (uint8_t*)uc->item.as.bin.start, uc->item.as.bin.length);
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}break;
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default: {
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zpl_printf("[WARN] unsupported pkt field type %lld !\n", field->type);
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return -1; // unsupported field
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@ -60,4 +65,25 @@ int32_t pkt_unpack_struct(cw_unpack_context *uc, pkt_desc *desc, void *raw_blob,
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return 0;
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}
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#include "packets/pkt_01_welcome.c"
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int32_t pkt_pack_struct(cw_pack_context *pc, pkt_desc *desc, void *raw_blob, uint32_t blob_size) {
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uint8_t *blob = (uint8_t*)raw_blob;
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zpl_zero_item(pkt_pack_buffer);
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for (pkt_desc *field = desc; field->type != CWP_NOT_AN_ITEM; ++field) {
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switch (field->type) {
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case CWP_ITEM_BIN: {
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cw_pack_bin(pc, blob + field->offset, field->size);
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}break;
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case CWP_ITEM_POSITIVE_INTEGER: {
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uint64_t num;
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zpl_memcopy(&num, blob + field->offset, field->size);
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cw_pack_unsigned(pc, num);
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}break;
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default: {
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zpl_printf("[WARN] unsupported pkt field type %lld !\n", field->type);
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return -1; // unsupported field
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}break;
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}
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}
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return 0;
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}
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@ -29,5 +29,6 @@ int32_t pkt_header_decode(pkt_header *table, void *data, size_t datalen);
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extern pkt_handler pkt_handlers[];
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extern uint8_t pkt_buffer[];
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extern uint8_t pkt_pack_buffer[];
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#include "packet_list.h"
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@ -1,12 +1,20 @@
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#pragma once
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#include "packet_utils.h"
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#include "packet.h"
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// NOTE(zaklaus): pkt data
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#define PKT_01_NUMBERS_SIZ 32
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typedef struct {
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uint32_t chunk_size;
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uint32_t chunk_amount;
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uint16_t numbers[PKT_01_NUMBERS_SIZ];
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} pkt_01_welcome;
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size_t pkt_01_welcome_encode(pkt_01_welcome *table);
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extern pkt_desc pkt_01_welcome_desc[];
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// NOTE(zaklaus): pkt handlers
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PKT_HANDLER_PROC(pkt_01_welcome_handler);
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@ -49,7 +49,11 @@ inline size_t pkt_pack_msg_size(cw_pack_context *pc) {
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#endif
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#ifndef PKT_FIELD
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#define PKT_FIELD(k, t, a) .type = k, .offset = PKT_OFFSETOF(t, a), .size = PKT_FIELD_SIZEOF(t,a)
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#define PKT_FIELD(k, t, a) .type = k, .offset = PKT_OFFSETOF(t, a), .size = PKT_FIELD_SIZEOF(t,a), .it_size = PKT_FIELD_SIZEOF(t,a)
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#endif
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#ifndef PKT_ARRAY
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#define PKT_ARRAY(t, a) .type = CWP_ITEM_BIN, .offset = PKT_OFFSETOF(t, a), .size = PKT_FIELD_SIZEOF(t,a), .it_size = PKT_FIELD_SIZEOF(t,a[0])
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#endif
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#ifndef PKT_END
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@ -64,14 +68,15 @@ typedef struct pkt_desc {
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cwpack_item_types type;
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size_t offset;
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size_t size;
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size_t it_size;
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} pkt_desc;
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int32_t pkt_unpack_struct(cw_unpack_context *uc, pkt_desc *desc, void *raw_blob, uint32_t blob_size);
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inline int32_t pkt_msg_decode(pkt_header *header, pkt_desc* desc, uint32_t args, void *raw_blob, uint32_t blob_size) {
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cw_unpack_context uc = {0};
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pkt_unpack_msg(&uc, header, args);
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pkt_unpack_struct(&uc, desc, header, raw_blob, blob_size);
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PKT_IF(pkt_unpack_msg(&uc, header, args));
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PKT_IF(pkt_unpack_struct(&uc, desc, raw_blob, blob_size));
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return pkt_validate_eof_msg(&uc);
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}
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@ -1,28 +1,24 @@
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#include "packet.h"
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#include "packet_utils.h"
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#ifdef SERVER
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size_t pkt_01_welcome_encode(pkt_01_welcome *table) {
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cw_pack_context pc = {0};
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pkt_pack_msg(&pc, PKT_01_WELCOME_ARGS);
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cw_pack_unsigned(&pc, world_chunk_size());
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cw_pack_unsigned(&pc, world_chunk_amount());
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return pkt_pack_msg_size(&pc);
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}
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#else
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pkt_desc pkt_01_welcome_desc[3] = {
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pkt_desc pkt_01_welcome_desc[] = {
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{ PKT_FIELD(CWP_ITEM_POSITIVE_INTEGER, pkt_01_welcome, chunk_size) },
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{ PKT_FIELD(CWP_ITEM_POSITIVE_INTEGER, pkt_01_welcome, chunk_amount) },
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{ PKT_ARRAY(pkt_01_welcome, numbers) },
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{ PKT_END },
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};
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size_t pkt_01_welcome_encode(pkt_01_welcome *table) {
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cw_pack_context pc = {0};
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pkt_pack_msg(&pc, 3);
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pkt_pack_struct(&pc, pkt_01_welcome_desc, PKT_STRUCT_PTR(table));
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return pkt_pack_msg_size(&pc);
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}
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int32_t pkt_01_welcome_handler(pkt_header *header) {
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pkt_01_welcome table;
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PKT_IF(pkt_msg_decode(header, pkt_01_welcome_desc, 2, PKT_STRUCT_PTR(&table)));
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PKT_IF(pkt_msg_decode(header, pkt_01_welcome_desc, 3, PKT_STRUCT_PTR(&table)));
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zpl_printf("we received: chunk_size: %d and chunk_amount: %d\n", table.chunk_size, table.chunk_amount);
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return 0;
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}
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#endif
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@ -0,0 +1,2 @@
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#pragma once
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