Mercurial > repos > blastem
annotate event_log.c @ 2105:1bda10d60b29
Add some enhancements for disassembling Main CPU Sega CD code
author | Michael Pavone <pavone@retrodev.com> |
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date | Sat, 12 Feb 2022 14:50:40 -0800 |
parents | a042e046f7f2 |
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rev | line source |
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1947
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1 #ifdef _WIN32 |
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2 #define WINVER 0x501 |
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3 #include <winsock2.h> |
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4 #include <ws2tcpip.h> |
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5 #else |
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6 #include <sys/types.h> |
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7 #include <sys/socket.h> |
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8 #include <unistd.h> |
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9 #include <netdb.h> |
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10 #include <netinet/tcp.h> |
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11 #endif |
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12 |
1986 | 13 #include <stdlib.h> |
14 #include <string.h> | |
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15 #include <errno.h> |
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16 #include "event_log.h" |
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17 #include "util.h" |
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18 #include "blastem.h" |
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19 #include "saves.h" |
1958
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20 #include "zlib/zlib.h" |
1947
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21 |
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22 enum { |
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23 CMD_GAMEPAD_DOWN, |
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24 CMD_GAMEPAD_UP, |
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25 }; |
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26 |
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27 static uint8_t active, fully_active; |
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28 static FILE *event_file; |
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29 static serialize_buffer buffer; |
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30 static uint8_t *compressed; |
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31 static size_t compressed_storage; |
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32 static z_stream output_stream; |
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33 static uint32_t last; |
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34 |
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35 static void event_log_common_init(void) |
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36 { |
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37 init_serialize(&buffer); |
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38 compressed_storage = 128*1024; |
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39 compressed = malloc(compressed_storage); |
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40 deflateInit(&output_stream, 9); |
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41 output_stream.avail_out = compressed_storage; |
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42 output_stream.next_out = compressed; |
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43 output_stream.avail_in = 0; |
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44 output_stream.next_in = buffer.data; |
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45 last = 0; |
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46 active = 1; |
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47 } |
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48 |
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49 static uint8_t multi_count; |
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50 static size_t multi_start; |
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51 static void finish_multi(void) |
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52 { |
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53 buffer.data[multi_start] |= multi_count - 2; |
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54 multi_count = 0; |
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55 } |
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56 |
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57 static void file_finish(void) |
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58 { |
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59 fwrite(compressed, 1, output_stream.next_out - compressed, event_file); |
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60 output_stream.next_out = compressed; |
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61 output_stream.avail_out = compressed_storage; |
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62 int result = deflate(&output_stream, Z_FINISH); |
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63 if (Z_STREAM_END != result) { |
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64 fatal_error("Final deflate call returned %d\n", result); |
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65 } |
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66 fwrite(compressed, 1, output_stream.next_out - compressed, event_file); |
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67 fclose(event_file); |
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68 } |
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69 |
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70 static const char el_ident[] = "BLSTEL\x02\x00"; |
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71 void event_log_file(char *fname) |
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72 { |
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73 event_file = fopen(fname, "wb"); |
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74 if (!event_file) { |
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75 warning("Failed to open event file %s for writing\n", fname); |
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76 return; |
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77 } |
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78 fwrite(el_ident, 1, sizeof(el_ident) - 1, event_file); |
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79 event_log_common_init(); |
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80 fully_active = 1; |
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81 atexit(file_finish); |
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82 } |
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83 |
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84 typedef struct { |
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85 uint8_t *send_progress; |
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86 int sock; |
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87 uint8_t players[1]; //TODO: Expand when support for multiple players per remote is added |
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88 uint8_t num_players; |
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89 } remote; |
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90 |
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91 static int listen_sock; |
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92 static remote remotes[7]; |
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93 static int num_remotes; |
1974
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94 static uint8_t available_players[7] = {2,3,4,5,6,7,8}; |
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95 static int num_available_players = 7; |
1947
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96 void event_log_tcp(char *address, char *port) |
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97 { |
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98 struct addrinfo request, *result; |
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99 socket_init(); |
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100 memset(&request, 0, sizeof(request)); |
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101 request.ai_family = AF_INET; |
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102 request.ai_socktype = SOCK_STREAM; |
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103 request.ai_flags = AI_PASSIVE; |
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104 getaddrinfo(address, port, &request, &result); |
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105 |
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106 listen_sock = socket(result->ai_family, result->ai_socktype, result->ai_protocol); |
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107 if (listen_sock < 0) { |
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108 warning("Failed to open event log listen socket on %s:%s\n", address, port); |
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109 goto cleanup_address; |
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110 } |
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111 int param = 1; |
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112 setsockopt(listen_sock, SOL_SOCKET, SO_REUSEADDR, (const char *)¶m, sizeof(param)); |
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113 if (bind(listen_sock, result->ai_addr, result->ai_addrlen) < 0) { |
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114 warning("Failed to bind event log listen socket on %s:%s\n", address, port); |
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115 socket_close(listen_sock); |
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116 goto cleanup_address; |
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117 } |
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118 if (listen(listen_sock, 3) < 0) { |
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119 warning("Failed to listen for event log remotes on %s:%s\n", address, port); |
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120 socket_close(listen_sock); |
1947
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121 goto cleanup_address; |
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122 } |
1949
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123 socket_blocking(listen_sock, 0); |
1958
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124 event_log_common_init(); |
1947
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125 cleanup_address: |
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126 freeaddrinfo(result); |
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127 } |
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128 |
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129 static uint8_t *system_start; |
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130 static size_t system_start_size; |
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131 void event_system_start(system_type stype, vid_std video_std, char *name) |
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132 { |
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133 if (!active) { |
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134 return; |
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135 } |
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136 save_int8(&buffer, stype); |
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137 save_int8(&buffer, video_std); |
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138 size_t name_len = strlen(name); |
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139 if (name_len > 255) { |
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140 name_len = 255; |
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141 } |
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142 save_int8(&buffer, name_len); |
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143 save_buffer8(&buffer, name, strlen(name)); |
1958
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144 if (listen_sock) { |
1947
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145 system_start = malloc(buffer.size); |
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146 system_start_size = buffer.size; |
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147 memcpy(system_start, buffer.data, buffer.size); |
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148 } else { |
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149 //system start header is never compressed, so write to file immediately |
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150 fwrite(buffer.data, 1, buffer.size, event_file); |
1947
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151 } |
1958
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152 buffer.size = 0; |
1947
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153 } |
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154 |
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155 //header formats |
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156 //Single byte: 4 bit type, 4 bit delta (16-31) |
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157 //Three Byte: 8 bit type, 16-bit delta |
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158 //Four byte: 8-bit type, 24-bit signed delta |
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159 #define FORMAT_3BYTE 0xE0 |
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160 #define FORMAT_4BYTE 0xF0 |
1956
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161 static uint8_t last_event_type = 0xFF; |
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162 static uint32_t last_delta; |
1947
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163 static void event_header(uint8_t type, uint32_t cycle) |
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164 { |
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165 uint32_t delta = cycle - last; |
1956
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166 if (multi_count) { |
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167 if (type != last_event_type || delta != last_delta) { |
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168 finish_multi(); |
1956
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169 } else { |
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170 ++multi_count; |
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171 if (multi_count == 17) { |
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172 finish_multi(); |
1956
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173 last_event_type = 0xFF; |
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174 } |
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175 return; |
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176 } |
1957 | 177 } else if (type == last_event_type && delta == last_delta && type != EVENT_FLUSH) { |
1956
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178 //make some room |
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179 save_int8(&buffer, 0); |
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180 //shift existing command |
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181 memmove(buffer.data + multi_start + 1, buffer.data + multi_start, buffer.size - multi_start - 1); |
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182 buffer.data[multi_start] = EVENT_MULTI << 4; |
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183 multi_count = 2; |
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184 return; |
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185 } |
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186 multi_start = buffer.size; |
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187 last_event_type = type; |
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188 last_delta = delta; |
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189 |
1947
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190 if (delta > 65535) { |
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191 save_int8(&buffer, FORMAT_4BYTE | type); |
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192 save_int8(&buffer, delta >> 16); |
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193 save_int16(&buffer, delta); |
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194 } else if (delta >= 16 && delta < 32) { |
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195 save_int8(&buffer, type << 4 | (delta - 16)); |
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196 } else { |
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197 save_int8(&buffer, FORMAT_3BYTE | type); |
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198 save_int16(&buffer, delta); |
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199 } |
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200 } |
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201 |
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202 void event_cycle_adjust(uint32_t cycle, uint32_t deduction) |
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203 { |
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204 if (!fully_active) { |
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205 return; |
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206 } |
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207 event_header(EVENT_ADJUST, cycle); |
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208 last = cycle - deduction; |
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209 save_int32(&buffer, deduction); |
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210 } |
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211 |
1974
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212 static uint8_t next_available_player(void) |
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213 { |
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214 uint8_t lowest = 0xFF; |
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215 int lowest_index = -1; |
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216 for (int i = 0; i < num_available_players; i++) |
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217 { |
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218 if (available_players[i] < lowest) { |
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219 lowest = available_players[i]; |
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220 lowest_index = i; |
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221 } |
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222 } |
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223 if (lowest_index >= 0) { |
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224 available_players[lowest_index] = available_players[num_available_players - 1]; |
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225 --num_available_players; |
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226 } |
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227 return lowest; |
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228 } |
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229 |
1947
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230 static void flush_socket(void) |
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231 { |
1974
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232 int remote_sock = accept(listen_sock, NULL, NULL); |
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233 if (remote_sock != -1) { |
1947
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234 if (num_remotes == 7) { |
1974
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235 socket_close(remote_sock); |
1947
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236 } else { |
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237 printf("remote %d connected\n", num_remotes); |
1974
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238 uint8_t player = next_available_player(); |
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239 remotes[num_remotes++] = (remote){ |
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240 .sock = remote_sock, |
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241 .send_progress = NULL, |
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242 .players = {player}, |
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243 .num_players = player == 0xFF ? 0 : 1 |
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244 }; |
1947
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245 current_system->save_state = EVENTLOG_SLOT + 1; |
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246 } |
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247 } |
1958
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248 uint8_t *min_progress = compressed; |
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249 for (int i = 0; i < num_remotes; i++) { |
1974
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250 if (remotes[i].send_progress) { |
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251 uint8_t recv_buffer[1500]; |
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252 int bytes = recv(remotes[i].sock, recv_buffer, sizeof(recv_buffer), 0); |
1947
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253 for (int j = 0; j < bytes; j++) |
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254 { |
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255 uint8_t cmd = recv_buffer[j]; |
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256 switch(cmd) |
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257 { |
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258 case CMD_GAMEPAD_DOWN: |
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259 case CMD_GAMEPAD_UP: { |
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260 ++j; |
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261 if (j < bytes) { |
1974
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262 uint8_t button = recv_buffer[j]; |
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263 uint8_t pad = (button >> 5) - 1; |
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264 button &= 0x1F; |
1974
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265 if (pad < remotes[i].num_players) { |
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266 pad = remotes[i].players[pad]; |
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267 if (cmd == CMD_GAMEPAD_DOWN) { |
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268 current_system->gamepad_down(current_system, pad, button); |
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269 } else { |
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270 current_system->gamepad_up(current_system, pad, button); |
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271 } |
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272 } |
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273 } else { |
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274 warning("Received incomplete command %X\n", cmd); |
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275 } |
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276 break; |
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277 } |
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278 default: |
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279 warning("Unrecognized remote command %X\n", cmd); |
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280 j = bytes; |
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281 } |
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282 } |
1974
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283 int sent = 1; |
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284 while (sent && output_stream.next_out > remotes[i].send_progress) |
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285 { |
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286 sent = send(remotes[i].sock, remotes[i].send_progress, output_stream.next_out - remotes[i].send_progress, 0); |
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287 if (sent >= 0) { |
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288 remotes[i].send_progress += sent; |
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289 } else if (!socket_error_is_wouldblock()) { |
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290 socket_close(remotes[i].sock); |
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291 for (int j = 0; j < remotes[i].num_players; j++) { |
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292 available_players[num_available_players++] = remotes[i].players[j]; |
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293 } |
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294 remotes[i] = remotes[num_remotes-1]; |
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295 num_remotes--; |
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296 if (!num_remotes) { |
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297 //last remote disconnected, reset buffers/deflate |
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298 fully_active = 0; |
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299 deflateReset(&output_stream); |
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300 output_stream.next_out = compressed; |
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301 output_stream.avail_out = compressed_storage; |
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302 buffer.size = 0; |
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303 } |
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304 i--; |
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305 break; |
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306 } |
1974
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307 if (remotes[i].send_progress > min_progress) { |
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308 min_progress = remotes[i].send_progress; |
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309 } |
1947
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310 } |
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311 } |
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312 } |
1958
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313 if (min_progress == output_stream.next_out) { |
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314 output_stream.next_out = compressed; |
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315 output_stream.avail_out = compressed_storage; |
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316 for (int i = 0; i < num_remotes; i++) { |
1974
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317 if (remotes[i].send_progress) { |
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318 remotes[i].send_progress = compressed; |
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319 } |
1958
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320 } |
1947
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321 } |
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322 } |
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323 |
1971
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324 uint8_t wrote_since_last_flush; |
1947
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325 void event_log(uint8_t type, uint32_t cycle, uint8_t size, uint8_t *payload) |
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326 { |
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327 if (!fully_active) { |
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328 return; |
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329 } |
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330 event_header(type, cycle); |
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331 last = cycle; |
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332 save_buffer8(&buffer, payload, size); |
1958
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333 if (!multi_count) { |
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334 last_event_type = 0xFF; |
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335 output_stream.avail_in = buffer.size - (output_stream.next_in - buffer.data); |
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336 int result = deflate(&output_stream, Z_NO_FLUSH); |
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337 if (result != Z_OK) { |
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338 fatal_error("deflate returned %d\n", result); |
1957 | 339 } |
1958
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340 if (listen_sock) { |
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341 if ((output_stream.next_out - compressed) > 1280 || !output_stream.avail_out) { |
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342 flush_socket(); |
1971
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343 wrote_since_last_flush = 1; |
1958
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344 } |
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345 } else if (!output_stream.avail_out) { |
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346 fwrite(compressed, 1, compressed_storage, event_file); |
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347 output_stream.next_out = compressed; |
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348 output_stream.avail_out = compressed_storage; |
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349 } |
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350 if (!output_stream.avail_in) { |
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351 buffer.size = 0; |
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352 output_stream.next_in = buffer.data; |
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353 } |
1947
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354 } |
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355 } |
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356 |
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357 static uint32_t last_word_address; |
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358 void event_vram_word(uint32_t cycle, uint32_t address, uint16_t value) |
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359 { |
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360 uint32_t delta = address - last_word_address; |
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361 if (delta < 256) { |
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362 uint8_t buffer[3] = {delta, value >> 8, value}; |
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363 event_log(EVENT_VRAM_WORD_DELTA, cycle, sizeof(buffer), buffer); |
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364 } else { |
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365 uint8_t buffer[5] = {address >> 16, address >> 8, address, value >> 8, value}; |
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366 event_log(EVENT_VRAM_WORD, cycle, sizeof(buffer), buffer); |
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367 } |
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368 last_word_address = address; |
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369 } |
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370 |
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371 static uint32_t last_byte_address; |
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372 void event_vram_byte(uint32_t cycle, uint16_t address, uint8_t byte, uint8_t auto_inc) |
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373 { |
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374 uint32_t delta = address - last_byte_address; |
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375 if (delta == 1) { |
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376 event_log(EVENT_VRAM_BYTE_ONE, cycle, sizeof(byte), &byte); |
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377 } else if (delta == auto_inc) { |
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378 event_log(EVENT_VRAM_BYTE_AUTO, cycle, sizeof(byte), &byte); |
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379 } else if (delta < 256) { |
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380 uint8_t buffer[2] = {delta, byte}; |
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381 event_log(EVENT_VRAM_BYTE_DELTA, cycle, sizeof(buffer), buffer); |
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382 } else { |
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383 uint8_t buffer[3] = {address >> 8, address, byte}; |
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384 event_log(EVENT_VRAM_BYTE, cycle, sizeof(buffer), buffer); |
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385 } |
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386 last_byte_address = address; |
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387 } |
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388 |
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389 static size_t send_all(int sock, uint8_t *data, size_t size, int flags) |
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390 { |
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391 size_t total = 0, sent = 1; |
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392 while(sent > 0 && total < size) |
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393 { |
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394 sent = send(sock, data + total, size - total, flags); |
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395 if (sent > 0) { |
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396 total += sent; |
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397 } |
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398 } |
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399 return total; |
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400 } |
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401 |
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402 void deflate_flush(uint8_t full) |
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403 { |
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404 output_stream.avail_in = buffer.size - (output_stream.next_in - buffer.data); |
1972
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405 uint8_t force = full; |
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406 while (output_stream.avail_in || force) |
1958
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407 { |
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408 if (!output_stream.avail_out) { |
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409 size_t old_storage = compressed_storage; |
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410 uint8_t *old_compressed = compressed; |
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411 compressed_storage *= 2; |
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412 compressed = realloc(compressed, compressed_storage); |
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413 output_stream.next_out = compressed + old_storage; |
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414 output_stream.avail_out = old_storage; |
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415 for (int i = 0; i < num_remotes; i++) { |
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416 if (remotes[i].send_progress) { |
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417 remotes[i].send_progress = compressed + (remotes[i].send_progress - old_compressed); |
1958
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418 } |
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419 } |
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420 } |
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421 int result = deflate(&output_stream, full ? Z_FINISH : Z_SYNC_FLUSH); |
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422 if (result != (full ? Z_STREAM_END : Z_OK)) { |
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423 fatal_error("deflate returned %d\n", result); |
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424 } |
1972
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|
425 if (full && result == Z_STREAM_END) { |
1958
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426 result = deflateReset(&output_stream); |
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427 if (result != Z_OK) { |
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428 fatal_error("deflateReset returned %d\n", result); |
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429 } |
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430 } |
1972
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diff
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|
431 force = 0; |
1958
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432 } |
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433 output_stream.next_in = buffer.data; |
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434 buffer.size = 0; |
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435 } |
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|
436 |
1947
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|
437 void event_state(uint32_t cycle, serialize_buffer *state) |
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438 { |
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|
439 if (!fully_active) { |
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440 last = cycle; |
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441 } |
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|
442 uint8_t header[] = { |
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443 EVENT_STATE << 4, last >> 24, last >> 16, last >> 8, last, |
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444 last_word_address >> 16, last_word_address >> 8, last_word_address, |
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445 last_byte_address >> 8, last_byte_address, |
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446 state->size >> 16, state->size >> 8, state->size |
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447 }; |
1958
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diff
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|
448 uint8_t sent_system_start = 0; |
1947
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449 for (int i = 0; i < num_remotes; i++) |
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|
450 { |
1974
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1973
diff
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|
451 if (!remotes[i].send_progress) { |
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diff
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452 if (send_all(remotes[i].sock, system_start, system_start_size, 0) == system_start_size) { |
1958
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diff
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|
453 sent_system_start = 1; |
1947
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454 } else { |
1974
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1973
diff
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|
455 socket_close(remotes[i].sock); |
1947
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456 remotes[i] = remotes[num_remotes-1]; |
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457 num_remotes--; |
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|
458 i--; |
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|
459 } |
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|
460 } |
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|
461 } |
1958
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diff
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|
462 if (sent_system_start) { |
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1957
diff
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|
463 if (fully_active) { |
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1957
diff
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|
464 if (multi_count) { |
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1957
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|
465 finish_multi(); |
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diff
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|
466 } |
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|
467 //full flush is needed so new and old clients can share a stream |
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1957
diff
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|
468 deflate_flush(1); |
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diff
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|
469 } |
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diff
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|
470 save_buffer8(&buffer, header, sizeof(header)); |
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1957
diff
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|
471 save_buffer8(&buffer, state->data, state->size); |
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diff
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|
472 size_t old_compressed_size = output_stream.next_out - compressed; |
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1957
diff
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|
473 deflate_flush(1); |
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diff
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|
474 size_t state_size = output_stream.next_out - compressed - old_compressed_size; |
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diff
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|
475 for (int i = 0; i < num_remotes; i++) { |
1974
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1973
diff
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|
476 if (!remotes[i].send_progress) { |
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1973
diff
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|
477 if (send_all(remotes[i].sock, compressed + old_compressed_size, state_size, 0) == state_size) { |
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1973
diff
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|
478 remotes[i].send_progress = compressed + old_compressed_size; |
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1973
diff
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|
479 socket_blocking(remotes[i].sock, 0); |
1958
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1957
diff
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|
480 int flag = 1; |
1974
04b79a725b7f
Better handling of pad assignment to remotes
Michael Pavone <pavone@retrodev.com>
parents:
1973
diff
changeset
|
481 setsockopt(remotes[i].sock, IPPROTO_TCP, TCP_NODELAY, (const char *)&flag, sizeof(flag)); |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
482 fully_active = 1; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
483 } else { |
1974
04b79a725b7f
Better handling of pad assignment to remotes
Michael Pavone <pavone@retrodev.com>
parents:
1973
diff
changeset
|
484 socket_close(remotes[i].sock); |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
485 remotes[i] = remotes[num_remotes-1]; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
486 num_remotes--; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
487 i--; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
488 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
489 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
490 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
491 output_stream.next_out = compressed + old_compressed_size; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
492 output_stream.avail_out = compressed_storage - old_compressed_size; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
493 } |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
494 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
495 |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
496 void event_flush(uint32_t cycle) |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
497 { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
498 if (!active) { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
499 return; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
500 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
501 if (fully_active) { |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
502 event_header(EVENT_FLUSH, cycle); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
503 last = cycle; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
504 |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
505 deflate_flush(0); |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
506 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
507 if (event_file) { |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
508 fwrite(compressed, 1, output_stream.next_out - compressed, event_file); |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
509 fflush(event_file); |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
510 output_stream.next_out = compressed; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
511 output_stream.avail_out = compressed_storage; |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
512 } else if (listen_sock) { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
513 flush_socket(); |
1971
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
514 wrote_since_last_flush = 0; |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
515 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
516 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
517 |
1971
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
518 void event_soft_flush(uint32_t cycle) |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
519 { |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
520 if (!fully_active || wrote_since_last_flush || event_file) { |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
521 return; |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
522 } |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
523 event_header(EVENT_FLUSH, cycle); |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
524 last = cycle; |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
525 |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
526 deflate_flush(0); |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
527 flush_socket(); |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
528 } |
80920c21bb52
Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
Michael Pavone <pavone@retrodev.com>
parents:
1967
diff
changeset
|
529 |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
530 static void init_event_reader_common(event_reader *reader) |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
531 { |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
532 reader->last_cycle = 0; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
533 reader->repeat_event = 0xFF; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
534 reader->storage = 512 * 1024; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
535 init_deserialize(&reader->buffer, malloc(reader->storage), reader->storage); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
536 reader->buffer.size = 0; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
537 memset(&reader->input_stream, 0, sizeof(reader->input_stream)); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
538 |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
539 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
540 |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
541 void init_event_reader(event_reader *reader, uint8_t *data, size_t size) |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
542 { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
543 reader->socket = 0; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
544 reader->last_cycle = 0; |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
545 reader->repeat_event = 0xFF; |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
546 init_event_reader_common(reader); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
547 uint8_t name_len = data[1]; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
548 reader->buffer.size = name_len + 2; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
549 memcpy(reader->buffer.data, data, reader->buffer.size); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
550 reader->input_stream.next_in = data + reader->buffer.size; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
551 reader->input_stream.avail_in = size - reader->buffer.size; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
552 |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
553 int result = inflateInit(&reader->input_stream); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
554 if (Z_OK != result) { |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
555 fatal_error("inflateInit returned %d\n", result); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
556 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
557 reader->input_stream.next_out = reader->buffer.data + reader->buffer.size; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
558 reader->input_stream.avail_out = reader->storage - reader->buffer.size; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
559 result = inflate(&reader->input_stream, Z_NO_FLUSH); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
560 if (Z_OK != result && Z_STREAM_END != result) { |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
561 fatal_error("inflate returned %d\n", result); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
562 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
563 reader->buffer.size = reader->input_stream.next_out - reader->buffer.data; |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
564 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
565 |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
566 void init_event_reader_tcp(event_reader *reader, char *address, char *port) |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
567 { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
568 struct addrinfo request, *result; |
1949
5a76a7373823
Get WIP net play code compiling on Windows and cleanup some unistd.h includes
Michael Pavone <pavone@retrodev.com>
parents:
1948
diff
changeset
|
569 socket_init(); |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
570 memset(&request, 0, sizeof(request)); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
571 request.ai_family = AF_INET; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
572 request.ai_socktype = SOCK_STREAM; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
573 request.ai_flags = AI_PASSIVE; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
574 getaddrinfo(address, port, &request, &result); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
575 |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
576 reader->socket = socket(result->ai_family, result->ai_socktype, result->ai_protocol); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
577 if (reader->socket < 0) { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
578 fatal_error("Failed to create socket for event log connection to %s:%s\n", address, port); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
579 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
580 if (connect(reader->socket, result->ai_addr, result->ai_addrlen) < 0) { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
581 fatal_error("Failed to connect to %s:%s for event log stream\n", address, port); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
582 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
583 |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
584 init_event_reader_common(reader); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
585 reader->socket_buffer_size = 256 * 1024; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
586 reader->socket_buffer = malloc(reader->socket_buffer_size); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
587 |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
588 while(reader->buffer.size < 3 || reader->buffer.size < 3 + reader->buffer.data[2]) |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
589 { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
590 int bytes = recv(reader->socket, reader->buffer.data + reader->buffer.size, reader->storage - reader->buffer.size, 0); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
591 if (bytes < 0) { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
592 fatal_error("Failed to receive system init from %s:%s\n", address, port); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
593 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
594 reader->buffer.size += bytes; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
595 } |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
596 size_t init_msg_len = 3 + reader->buffer.data[2]; |
9c01945b5d20
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1957
diff
changeset
|
597 memcpy(reader->socket_buffer, reader->buffer.data + init_msg_len, reader->buffer.size - init_msg_len); |
9c01945b5d20
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1957
diff
changeset
|
598 reader->input_stream.next_in = reader->socket_buffer; |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
599 reader->input_stream.avail_in = reader->buffer.size - init_msg_len; |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
600 reader->buffer.size = init_msg_len; |
9c01945b5d20
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1957
diff
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|
601 int res = inflateInit(&reader->input_stream); |
9c01945b5d20
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1957
diff
changeset
|
602 if (Z_OK != res) { |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
603 fatal_error("inflateInit returned %d\n", res); |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
604 } |
9c01945b5d20
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1957
diff
changeset
|
605 reader->input_stream.next_out = reader->buffer.data + init_msg_len; |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
606 reader->input_stream.avail_out = reader->storage - init_msg_len; |
9c01945b5d20
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1957
diff
changeset
|
607 res = inflate(&reader->input_stream, Z_NO_FLUSH); |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
608 if (Z_OK != res && Z_BUF_ERROR != res) { |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
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1957
diff
changeset
|
609 fatal_error("inflate returned %d in init_event_reader_tcp\n", res); |
9c01945b5d20
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parents:
1957
diff
changeset
|
610 } |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
611 int flag = 1; |
1949
5a76a7373823
Get WIP net play code compiling on Windows and cleanup some unistd.h includes
Michael Pavone <pavone@retrodev.com>
parents:
1948
diff
changeset
|
612 setsockopt(reader->socket, IPPROTO_TCP, TCP_NODELAY, (const char *)&flag, sizeof(flag)); |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
613 } |
c36102d09351
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parents:
diff
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|
614 |
1957 | 615 static void read_from_socket(event_reader *reader) |
616 { | |
1958
9c01945b5d20
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1957
diff
changeset
|
617 if (reader->socket_buffer_size - reader->input_stream.avail_in < 128 * 1024) { |
9c01945b5d20
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1957
diff
changeset
|
618 reader->socket_buffer_size *= 2; |
9c01945b5d20
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1957
diff
changeset
|
619 uint8_t *new_buf = malloc(reader->socket_buffer_size); |
9c01945b5d20
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1957
diff
changeset
|
620 memcpy(new_buf, reader->input_stream.next_in, reader->input_stream.avail_in); |
9c01945b5d20
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1957
diff
changeset
|
621 free(reader->socket_buffer); |
9c01945b5d20
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parents:
1957
diff
changeset
|
622 reader->socket_buffer = new_buf; |
9c01945b5d20
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1957
diff
changeset
|
623 reader->input_stream.next_in = new_buf; |
9c01945b5d20
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1957
diff
changeset
|
624 } else if ( |
9c01945b5d20
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1957
diff
changeset
|
625 reader->input_stream.next_in - reader->socket_buffer >= reader->input_stream.avail_in |
9c01945b5d20
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1957
diff
changeset
|
626 && reader->input_stream.next_in - reader->socket_buffer + reader->input_stream.avail_in >= reader->socket_buffer_size/2 |
9c01945b5d20
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1957
diff
changeset
|
627 ) { |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
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1957
diff
changeset
|
628 memmove(reader->socket_buffer, reader->input_stream.next_in, reader->input_stream.avail_in); |
9c01945b5d20
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1957
diff
changeset
|
629 reader->input_stream.next_in = reader->socket_buffer; |
1957 | 630 } |
1958
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
631 uint8_t *space_start = reader->input_stream.next_in + reader->input_stream.avail_in; |
9c01945b5d20
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1957
diff
changeset
|
632 size_t space = (reader->socket_buffer + reader->socket_buffer_size) - space_start; |
9c01945b5d20
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1957
diff
changeset
|
633 int bytes = recv(reader->socket, space_start, space, 0); |
1957 | 634 if (bytes >= 0) { |
1958
9c01945b5d20
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1957
diff
changeset
|
635 reader->input_stream.avail_in += bytes; |
1957 | 636 } else if (!socket_error_is_wouldblock()) { |
637 fatal_error("Connection closed, error = %X\n", socket_last_error()); | |
638 } | |
639 } | |
640 | |
1958
9c01945b5d20
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parents:
1957
diff
changeset
|
641 static void inflate_flush(event_reader *reader) |
9c01945b5d20
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parents:
1957
diff
changeset
|
642 { |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
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1957
diff
changeset
|
643 if (reader->buffer.cur_pos > reader->storage / 2) { |
9c01945b5d20
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1957
diff
changeset
|
644 memmove(reader->buffer.data, reader->buffer.data + reader->buffer.cur_pos, reader->buffer.size - reader->buffer.cur_pos); |
9c01945b5d20
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1957
diff
changeset
|
645 reader->buffer.size -= reader->buffer.cur_pos; |
9c01945b5d20
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1957
diff
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|
646 reader->buffer.cur_pos = 0; |
9c01945b5d20
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parents:
1957
diff
changeset
|
647 reader->input_stream.next_out = reader->buffer.data + reader->buffer.size; |
9c01945b5d20
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1957
diff
changeset
|
648 reader->input_stream.avail_out = reader->storage - reader->buffer.size; |
9c01945b5d20
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1957
diff
changeset
|
649 } |
9c01945b5d20
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1957
diff
changeset
|
650 int result = inflate(&reader->input_stream, Z_SYNC_FLUSH); |
9c01945b5d20
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1957
diff
changeset
|
651 if (Z_OK != result && Z_STREAM_END != result) { |
9c01945b5d20
Use zlib to compress event log streams
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parents:
1957
diff
changeset
|
652 fatal_error("inflate returned %d\n", result); |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
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1957
diff
changeset
|
653 } |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
654 reader->buffer.size = reader->input_stream.next_out - reader->buffer.data; |
9c01945b5d20
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1957
diff
changeset
|
655 if (result == Z_STREAM_END && (reader->socket || reader->input_stream.avail_in)) { |
9c01945b5d20
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1957
diff
changeset
|
656 inflateReset(&reader->input_stream); |
9c01945b5d20
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1957
diff
changeset
|
657 if (reader->input_stream.avail_in) { |
9c01945b5d20
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parents:
1957
diff
changeset
|
658 inflate_flush(reader); |
9c01945b5d20
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parents:
1957
diff
changeset
|
659 } |
9c01945b5d20
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parents:
1957
diff
changeset
|
660 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
661 |
9c01945b5d20
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parents:
1957
diff
changeset
|
662 } |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
663 |
1957 | 664 void reader_ensure_data(event_reader *reader, size_t bytes) |
665 { | |
1958
9c01945b5d20
Use zlib to compress event log streams
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parents:
1957
diff
changeset
|
666 if (reader->buffer.size - reader->buffer.cur_pos < bytes) { |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
667 if (reader->input_stream.avail_in) { |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
668 inflate_flush(reader); |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
669 } |
1967
bd70f1e15684
Make netplay remote sync to network rather than audio or video so it doesn't drift out of sync with the host
Michael Pavone <pavone@retrodev.com>
parents:
1958
diff
changeset
|
670 if (reader->socket) { |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
671 while (reader->buffer.size - reader->buffer.cur_pos < bytes) { |
9c01945b5d20
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parents:
1957
diff
changeset
|
672 read_from_socket(reader); |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
673 inflate_flush(reader); |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
674 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
675 } |
1957 | 676 } |
677 } | |
678 | |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
679 uint8_t reader_next_event(event_reader *reader, uint32_t *cycle_out) |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
680 { |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
681 if (reader->repeat_remaining) { |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
682 reader->repeat_remaining--; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
683 *cycle_out = reader->last_cycle + reader->repeat_delta; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
684 reader->last_cycle = *cycle_out; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
685 return reader->repeat_event; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
686 } |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
687 reader_ensure_data(reader, 1); |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
688 uint8_t header = load_int8(&reader->buffer); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
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parents:
diff
changeset
|
689 uint8_t ret; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
690 uint32_t delta; |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
691 uint8_t multi_start = 0; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
692 if ((header & 0xF0) == (EVENT_MULTI << 4)) { |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
693 reader->repeat_remaining = (header & 0xF) + 1; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
694 multi_start = 1; |
1957 | 695 reader_ensure_data(reader, 1); |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
696 header = load_int8(&reader->buffer); |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
697 } |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
698 if ((header & 0xF0) < FORMAT_3BYTE) { |
1948
d01527615c7c
Fix short event format decode bug
Michael Pavone <pavone@retrodev.com>
parents:
1947
diff
changeset
|
699 delta = (header & 0xF) + 16; |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
700 ret = header >> 4; |
c36102d09351
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parents:
diff
changeset
|
701 } else if ((header & 0xF0) == FORMAT_3BYTE) { |
1957 | 702 reader_ensure_data(reader, 2); |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
703 delta = load_int16(&reader->buffer); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
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parents:
diff
changeset
|
704 ret = header & 0xF; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
705 } else { |
1957 | 706 reader_ensure_data(reader, 3); |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
707 delta = load_int8(&reader->buffer) << 16; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
708 //sign extend 24-bit delta to 32-bit |
c36102d09351
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Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
709 if (delta & 0x800000) { |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
710 delta |= 0xFF000000; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
711 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
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parents:
diff
changeset
|
712 delta |= load_int16(&reader->buffer); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
713 ret = header & 0xF; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
714 } |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
715 if (multi_start) { |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
716 reader->repeat_event = ret; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
717 reader->repeat_delta = delta; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
718 } |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
719 *cycle_out = reader->last_cycle + delta; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
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parents:
diff
changeset
|
720 reader->last_cycle = *cycle_out; |
c36102d09351
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Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
721 if (ret == EVENT_ADJUST) { |
1957 | 722 reader_ensure_data(reader, 4); |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
723 size_t old_pos = reader->buffer.cur_pos; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
724 uint32_t adjust = load_int32(&reader->buffer); |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
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parents:
diff
changeset
|
725 reader->buffer.cur_pos = old_pos; |
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726 reader->last_cycle -= adjust; |
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727 } else if (ret == EVENT_STATE) { |
1957 | 728 reader_ensure_data(reader, 8); |
1947
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729 reader->last_cycle = load_int32(&reader->buffer); |
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730 reader->last_word_address = load_int8(&reader->buffer) << 16; |
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731 reader->last_word_address |= load_int16(&reader->buffer); |
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732 reader->last_byte_address = load_int16(&reader->buffer); |
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733 } |
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734 return ret; |
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735 } |
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736 |
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737 uint8_t reader_system_type(event_reader *reader) |
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738 { |
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739 return load_int8(&reader->buffer); |
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740 } |
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741 |
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742 void reader_send_gamepad_event(event_reader *reader, uint8_t pad, uint8_t button, uint8_t down) |
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743 { |
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744 uint8_t buffer[] = {down ? CMD_GAMEPAD_DOWN : CMD_GAMEPAD_UP, pad << 5 | button}; |
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745 //TODO: Deal with the fact that we're not in blocking mode so this may not actually send all |
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746 //if the buffer is full |
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747 send_all(reader->socket, buffer, sizeof(buffer), 0); |
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748 } |