Mercurial > repos > blastem
annotate event_log.c @ 1980:81df9aa2de9b
Less hacky run on audio thread mode
author | Michael Pavone <pavone@retrodev.com> |
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date | Sat, 09 May 2020 23:25:51 -0700 |
parents | 04b79a725b7f |
children | a042e046f7f2 |
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 |
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13 #include <errno.h> |
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14 #include "event_log.h" |
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15 #include "util.h" |
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16 #include "blastem.h" |
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17 #include "saves.h" |
1958
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18 #include "zlib/zlib.h" |
1947
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19 |
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20 enum { |
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21 CMD_GAMEPAD_DOWN, |
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22 CMD_GAMEPAD_UP, |
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23 }; |
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24 |
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25 static uint8_t active, fully_active; |
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26 static FILE *event_file; |
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27 static serialize_buffer buffer; |
1958
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28 static uint8_t *compressed; |
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29 static size_t compressed_storage; |
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30 static z_stream output_stream; |
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31 static uint32_t last; |
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32 |
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33 static void event_log_common_init(void) |
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34 { |
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35 init_serialize(&buffer); |
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36 compressed_storage = 128*1024; |
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37 compressed = malloc(compressed_storage); |
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38 deflateInit(&output_stream, 9); |
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39 output_stream.avail_out = compressed_storage; |
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40 output_stream.next_out = compressed; |
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41 output_stream.avail_in = 0; |
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42 output_stream.next_in = buffer.data; |
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43 last = 0; |
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44 active = 1; |
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45 } |
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46 |
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47 static uint8_t multi_count; |
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48 static size_t multi_start; |
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49 static void finish_multi(void) |
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50 { |
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51 buffer.data[multi_start] |= multi_count - 2; |
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52 multi_count = 0; |
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53 } |
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54 |
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55 static void file_finish(void) |
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56 { |
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57 fwrite(compressed, 1, output_stream.next_out - compressed, event_file); |
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58 output_stream.next_out = compressed; |
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59 output_stream.avail_out = compressed_storage; |
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60 int result = deflate(&output_stream, Z_FINISH); |
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61 if (Z_STREAM_END != result) { |
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62 fatal_error("Final deflate call returned %d\n", result); |
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63 } |
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64 fwrite(compressed, 1, output_stream.next_out - compressed, event_file); |
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65 fclose(event_file); |
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66 } |
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67 |
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68 static const char el_ident[] = "BLSTEL\x02\x00"; |
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69 void event_log_file(char *fname) |
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70 { |
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71 event_file = fopen(fname, "wb"); |
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72 if (!event_file) { |
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73 warning("Failed to open event file %s for writing\n", fname); |
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74 return; |
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75 } |
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76 fwrite(el_ident, 1, sizeof(el_ident) - 1, event_file); |
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77 event_log_common_init(); |
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78 fully_active = 1; |
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79 atexit(file_finish); |
1947
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80 } |
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81 |
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82 typedef struct { |
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83 uint8_t *send_progress; |
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84 int sock; |
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85 uint8_t players[1]; //TODO: Expand when support for multiple players per remote is added |
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86 uint8_t num_players; |
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87 } remote; |
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88 |
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89 static int listen_sock; |
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90 static remote remotes[7]; |
1947
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91 static int num_remotes; |
1974
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92 static uint8_t available_players[7] = {2,3,4,5,6,7,8}; |
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93 static int num_available_players = 7; |
1947
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94 void event_log_tcp(char *address, char *port) |
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95 { |
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96 struct addrinfo request, *result; |
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97 socket_init(); |
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98 memset(&request, 0, sizeof(request)); |
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99 request.ai_family = AF_INET; |
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100 request.ai_socktype = SOCK_STREAM; |
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101 request.ai_flags = AI_PASSIVE; |
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102 getaddrinfo(address, port, &request, &result); |
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103 |
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104 listen_sock = socket(result->ai_family, result->ai_socktype, result->ai_protocol); |
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105 if (listen_sock < 0) { |
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106 warning("Failed to open event log listen socket on %s:%s\n", address, port); |
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107 goto cleanup_address; |
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108 } |
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109 int param = 1; |
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110 setsockopt(listen_sock, SOL_SOCKET, SO_REUSEADDR, (const char *)¶m, sizeof(param)); |
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111 if (bind(listen_sock, result->ai_addr, result->ai_addrlen) < 0) { |
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112 warning("Failed to bind event log listen socket on %s:%s\n", address, port); |
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113 socket_close(listen_sock); |
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114 goto cleanup_address; |
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115 } |
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116 if (listen(listen_sock, 3) < 0) { |
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117 warning("Failed to listen for event log remotes on %s:%s\n", address, port); |
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118 socket_close(listen_sock); |
1947
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119 goto cleanup_address; |
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120 } |
1949
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1948
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121 socket_blocking(listen_sock, 0); |
1958
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122 event_log_common_init(); |
1947
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123 cleanup_address: |
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124 freeaddrinfo(result); |
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125 } |
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126 |
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127 static uint8_t *system_start; |
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128 static size_t system_start_size; |
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129 void event_system_start(system_type stype, vid_std video_std, char *name) |
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130 { |
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131 if (!active) { |
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132 return; |
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133 } |
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134 save_int8(&buffer, stype); |
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135 save_int8(&buffer, video_std); |
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136 size_t name_len = strlen(name); |
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137 if (name_len > 255) { |
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138 name_len = 255; |
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139 } |
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140 save_int8(&buffer, name_len); |
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141 save_buffer8(&buffer, name, strlen(name)); |
1958
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142 if (listen_sock) { |
1947
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143 system_start = malloc(buffer.size); |
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144 system_start_size = buffer.size; |
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145 memcpy(system_start, buffer.data, buffer.size); |
1958
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146 } else { |
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147 //system start header is never compressed, so write to file immediately |
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148 fwrite(buffer.data, 1, buffer.size, event_file); |
1947
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149 } |
1958
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150 buffer.size = 0; |
1947
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151 } |
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152 |
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153 //header formats |
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154 //Single byte: 4 bit type, 4 bit delta (16-31) |
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155 //Three Byte: 8 bit type, 16-bit delta |
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156 //Four byte: 8-bit type, 24-bit signed delta |
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157 #define FORMAT_3BYTE 0xE0 |
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158 #define FORMAT_4BYTE 0xF0 |
1956
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159 static uint8_t last_event_type = 0xFF; |
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160 static uint32_t last_delta; |
1947
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161 static void event_header(uint8_t type, uint32_t cycle) |
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162 { |
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163 uint32_t delta = cycle - last; |
1956
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164 if (multi_count) { |
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165 if (type != last_event_type || delta != last_delta) { |
1958
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166 finish_multi(); |
1956
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167 } else { |
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168 ++multi_count; |
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169 if (multi_count == 17) { |
1958
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170 finish_multi(); |
1956
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171 last_event_type = 0xFF; |
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172 } |
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173 return; |
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174 } |
1957 | 175 } else if (type == last_event_type && delta == last_delta && type != EVENT_FLUSH) { |
1956
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176 //make some room |
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177 save_int8(&buffer, 0); |
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178 //shift existing command |
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179 memmove(buffer.data + multi_start + 1, buffer.data + multi_start, buffer.size - multi_start - 1); |
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180 buffer.data[multi_start] = EVENT_MULTI << 4; |
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181 multi_count = 2; |
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182 return; |
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183 } |
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184 multi_start = buffer.size; |
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185 last_event_type = type; |
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186 last_delta = delta; |
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187 |
1947
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188 if (delta > 65535) { |
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189 save_int8(&buffer, FORMAT_4BYTE | type); |
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190 save_int8(&buffer, delta >> 16); |
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191 save_int16(&buffer, delta); |
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192 } else if (delta >= 16 && delta < 32) { |
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193 save_int8(&buffer, type << 4 | (delta - 16)); |
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194 } else { |
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195 save_int8(&buffer, FORMAT_3BYTE | type); |
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196 save_int16(&buffer, delta); |
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197 } |
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198 } |
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199 |
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200 void event_cycle_adjust(uint32_t cycle, uint32_t deduction) |
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201 { |
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202 if (!fully_active) { |
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203 return; |
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204 } |
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205 event_header(EVENT_ADJUST, cycle); |
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206 last = cycle - deduction; |
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207 save_int32(&buffer, deduction); |
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208 } |
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209 |
1974
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210 static uint8_t next_available_player(void) |
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211 { |
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212 uint8_t lowest = 0xFF; |
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213 int lowest_index = -1; |
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214 for (int i = 0; i < num_available_players; i++) |
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215 { |
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216 if (available_players[i] < lowest) { |
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217 lowest = available_players[i]; |
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218 lowest_index = i; |
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219 } |
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220 } |
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221 if (lowest_index >= 0) { |
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222 available_players[lowest_index] = available_players[num_available_players - 1]; |
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223 --num_available_players; |
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224 } |
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225 return lowest; |
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|
226 } |
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227 |
1947
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228 static void flush_socket(void) |
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229 { |
1974
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|
230 int remote_sock = accept(listen_sock, NULL, NULL); |
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231 if (remote_sock != -1) { |
1947
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232 if (num_remotes == 7) { |
1974
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|
233 socket_close(remote_sock); |
1947
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234 } else { |
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235 printf("remote %d connected\n", num_remotes); |
1974
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|
236 uint8_t player = next_available_player(); |
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237 remotes[num_remotes++] = (remote){ |
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|
238 .sock = remote_sock, |
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239 .send_progress = NULL, |
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240 .players = {player}, |
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|
241 .num_players = player == 0xFF ? 0 : 1 |
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242 }; |
1947
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243 current_system->save_state = EVENTLOG_SLOT + 1; |
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244 } |
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245 } |
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246 uint8_t *min_progress = compressed; |
1947
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247 for (int i = 0; i < num_remotes; i++) { |
1974
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248 if (remotes[i].send_progress) { |
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249 uint8_t recv_buffer[1500]; |
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250 int bytes = recv(remotes[i].sock, recv_buffer, sizeof(recv_buffer), 0); |
1947
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251 for (int j = 0; j < bytes; j++) |
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252 { |
1974
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253 uint8_t cmd = recv_buffer[j]; |
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254 switch(cmd) |
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255 { |
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256 case CMD_GAMEPAD_DOWN: |
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257 case CMD_GAMEPAD_UP: { |
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258 ++j; |
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259 if (j < bytes) { |
1974
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260 uint8_t button = recv_buffer[j]; |
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261 uint8_t pad = (button >> 5) - 1; |
1947
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262 button &= 0x1F; |
1974
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263 if (pad < remotes[i].num_players) { |
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264 pad = remotes[i].players[pad]; |
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265 if (cmd == CMD_GAMEPAD_DOWN) { |
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266 current_system->gamepad_down(current_system, pad, button); |
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267 } else { |
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268 current_system->gamepad_up(current_system, pad, button); |
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269 } |
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270 } |
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271 } else { |
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272 warning("Received incomplete command %X\n", cmd); |
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273 } |
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274 break; |
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275 } |
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276 default: |
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277 warning("Unrecognized remote command %X\n", cmd); |
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278 j = bytes; |
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279 } |
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280 } |
1974
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281 int sent = 1; |
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282 while (sent && output_stream.next_out > remotes[i].send_progress) |
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283 { |
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284 sent = send(remotes[i].sock, remotes[i].send_progress, output_stream.next_out - remotes[i].send_progress, 0); |
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285 if (sent >= 0) { |
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286 remotes[i].send_progress += sent; |
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287 } else if (!socket_error_is_wouldblock()) { |
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288 socket_close(remotes[i].sock); |
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289 for (int j = 0; j < remotes[i].num_players; j++) { |
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290 available_players[num_available_players++] = remotes[i].players[j]; |
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291 } |
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292 remotes[i] = remotes[num_remotes-1]; |
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293 num_remotes--; |
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294 if (!num_remotes) { |
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295 //last remote disconnected, reset buffers/deflate |
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296 fully_active = 0; |
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297 deflateReset(&output_stream); |
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298 output_stream.next_out = compressed; |
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299 output_stream.avail_out = compressed_storage; |
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300 buffer.size = 0; |
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301 } |
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302 i--; |
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303 break; |
1973
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|
304 } |
1974
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|
305 if (remotes[i].send_progress > min_progress) { |
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306 min_progress = remotes[i].send_progress; |
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307 } |
1947
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308 } |
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309 } |
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310 } |
1958
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|
311 if (min_progress == output_stream.next_out) { |
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312 output_stream.next_out = compressed; |
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313 output_stream.avail_out = compressed_storage; |
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314 for (int i = 0; i < num_remotes; i++) { |
1974
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315 if (remotes[i].send_progress) { |
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316 remotes[i].send_progress = compressed; |
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317 } |
1958
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318 } |
1947
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319 } |
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320 } |
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321 |
1971
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322 uint8_t wrote_since_last_flush; |
1947
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323 void event_log(uint8_t type, uint32_t cycle, uint8_t size, uint8_t *payload) |
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324 { |
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325 if (!fully_active) { |
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326 return; |
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327 } |
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328 event_header(type, cycle); |
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329 last = cycle; |
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330 save_buffer8(&buffer, payload, size); |
1958
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331 if (!multi_count) { |
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|
332 last_event_type = 0xFF; |
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333 output_stream.avail_in = buffer.size - (output_stream.next_in - buffer.data); |
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334 int result = deflate(&output_stream, Z_NO_FLUSH); |
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335 if (result != Z_OK) { |
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|
336 fatal_error("deflate returned %d\n", result); |
1957 | 337 } |
1958
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|
338 if (listen_sock) { |
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339 if ((output_stream.next_out - compressed) > 1280 || !output_stream.avail_out) { |
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|
340 flush_socket(); |
1971
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|
341 wrote_since_last_flush = 1; |
1958
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342 } |
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343 } else if (!output_stream.avail_out) { |
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344 fwrite(compressed, 1, compressed_storage, event_file); |
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345 output_stream.next_out = compressed; |
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346 output_stream.avail_out = compressed_storage; |
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347 } |
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348 if (!output_stream.avail_in) { |
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349 buffer.size = 0; |
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|
350 output_stream.next_in = buffer.data; |
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351 } |
1947
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352 } |
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|
353 } |
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354 |
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|
355 static uint32_t last_word_address; |
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356 void event_vram_word(uint32_t cycle, uint32_t address, uint16_t value) |
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357 { |
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358 uint32_t delta = address - last_word_address; |
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359 if (delta < 256) { |
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360 uint8_t buffer[3] = {delta, value >> 8, value}; |
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361 event_log(EVENT_VRAM_WORD_DELTA, cycle, sizeof(buffer), buffer); |
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362 } else { |
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363 uint8_t buffer[5] = {address >> 16, address >> 8, address, value >> 8, value}; |
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364 event_log(EVENT_VRAM_WORD, cycle, sizeof(buffer), buffer); |
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365 } |
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366 last_word_address = address; |
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367 } |
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368 |
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369 static uint32_t last_byte_address; |
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370 void event_vram_byte(uint32_t cycle, uint16_t address, uint8_t byte, uint8_t auto_inc) |
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371 { |
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372 uint32_t delta = address - last_byte_address; |
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373 if (delta == 1) { |
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374 event_log(EVENT_VRAM_BYTE_ONE, cycle, sizeof(byte), &byte); |
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375 } else if (delta == auto_inc) { |
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376 event_log(EVENT_VRAM_BYTE_AUTO, cycle, sizeof(byte), &byte); |
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377 } else if (delta < 256) { |
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378 uint8_t buffer[2] = {delta, byte}; |
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379 event_log(EVENT_VRAM_BYTE_DELTA, cycle, sizeof(buffer), buffer); |
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380 } else { |
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381 uint8_t buffer[3] = {address >> 8, address, byte}; |
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382 event_log(EVENT_VRAM_BYTE, cycle, sizeof(buffer), buffer); |
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383 } |
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384 last_byte_address = address; |
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385 } |
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386 |
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387 static size_t send_all(int sock, uint8_t *data, size_t size, int flags) |
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388 { |
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389 size_t total = 0, sent = 1; |
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390 while(sent > 0 && total < size) |
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391 { |
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392 sent = send(sock, data + total, size - total, flags); |
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393 if (sent > 0) { |
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394 total += sent; |
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395 } |
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396 } |
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397 return total; |
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398 } |
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399 |
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400 void deflate_flush(uint8_t full) |
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401 { |
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402 output_stream.avail_in = buffer.size - (output_stream.next_in - buffer.data); |
1972
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403 uint8_t force = full; |
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404 while (output_stream.avail_in || force) |
1958
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405 { |
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406 if (!output_stream.avail_out) { |
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407 size_t old_storage = compressed_storage; |
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408 uint8_t *old_compressed = compressed; |
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409 compressed_storage *= 2; |
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410 compressed = realloc(compressed, compressed_storage); |
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411 output_stream.next_out = compressed + old_storage; |
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412 output_stream.avail_out = old_storage; |
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413 for (int i = 0; i < num_remotes; i++) { |
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414 if (remotes[i].send_progress) { |
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415 remotes[i].send_progress = compressed + (remotes[i].send_progress - old_compressed); |
1958
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416 } |
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417 } |
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418 } |
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419 int result = deflate(&output_stream, full ? Z_FINISH : Z_SYNC_FLUSH); |
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420 if (result != (full ? Z_STREAM_END : Z_OK)) { |
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421 fatal_error("deflate returned %d\n", result); |
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422 } |
1972
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|
423 if (full && result == Z_STREAM_END) { |
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424 result = deflateReset(&output_stream); |
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425 if (result != Z_OK) { |
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426 fatal_error("deflateReset returned %d\n", result); |
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427 } |
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428 } |
1972
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diff
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|
429 force = 0; |
1958
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430 } |
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431 output_stream.next_in = buffer.data; |
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432 buffer.size = 0; |
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433 } |
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|
434 |
1947
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435 void event_state(uint32_t cycle, serialize_buffer *state) |
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436 { |
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437 if (!fully_active) { |
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438 last = cycle; |
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439 } |
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|
440 uint8_t header[] = { |
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441 EVENT_STATE << 4, last >> 24, last >> 16, last >> 8, last, |
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442 last_word_address >> 16, last_word_address >> 8, last_word_address, |
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443 last_byte_address >> 8, last_byte_address, |
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444 state->size >> 16, state->size >> 8, state->size |
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445 }; |
1958
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|
446 uint8_t sent_system_start = 0; |
1947
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447 for (int i = 0; i < num_remotes; i++) |
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|
448 { |
1974
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1973
diff
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|
449 if (!remotes[i].send_progress) { |
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diff
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450 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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451 sent_system_start = 1; |
1947
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452 } else { |
1974
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diff
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|
453 socket_close(remotes[i].sock); |
1947
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|
454 remotes[i] = remotes[num_remotes-1]; |
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455 num_remotes--; |
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|
456 i--; |
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|
457 } |
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|
458 } |
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|
459 } |
1958
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diff
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|
460 if (sent_system_start) { |
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1957
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|
461 if (fully_active) { |
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|
462 if (multi_count) { |
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1957
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|
463 finish_multi(); |
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diff
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|
464 } |
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1957
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|
465 //full flush is needed so new and old clients can share a stream |
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1957
diff
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|
466 deflate_flush(1); |
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diff
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|
467 } |
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|
468 save_buffer8(&buffer, header, sizeof(header)); |
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1957
diff
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|
469 save_buffer8(&buffer, state->data, state->size); |
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diff
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|
470 size_t old_compressed_size = output_stream.next_out - compressed; |
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1957
diff
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|
471 deflate_flush(1); |
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diff
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|
472 size_t state_size = output_stream.next_out - compressed - old_compressed_size; |
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diff
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|
473 for (int i = 0; i < num_remotes; i++) { |
1974
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1973
diff
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|
474 if (!remotes[i].send_progress) { |
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1973
diff
changeset
|
475 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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|
476 remotes[i].send_progress = compressed + old_compressed_size; |
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parents:
1973
diff
changeset
|
477 socket_blocking(remotes[i].sock, 0); |
1958
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1957
diff
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|
478 int flag = 1; |
1974
04b79a725b7f
Better handling of pad assignment to remotes
Michael Pavone <pavone@retrodev.com>
parents:
1973
diff
changeset
|
479 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
|
480 fully_active = 1; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
481 } else { |
1974
04b79a725b7f
Better handling of pad assignment to remotes
Michael Pavone <pavone@retrodev.com>
parents:
1973
diff
changeset
|
482 socket_close(remotes[i].sock); |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
483 remotes[i] = remotes[num_remotes-1]; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
484 num_remotes--; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
485 i--; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
486 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
487 } |
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 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
|
490 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
|
491 } |
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
|
492 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
493 |
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 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
|
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 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
|
497 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
|
498 } |
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 if (fully_active) { |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
500 event_header(EVENT_FLUSH, cycle); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
501 last = cycle; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
502 |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
503 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
|
504 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
505 if (event_file) { |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
506 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
|
507 fflush(event_file); |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
508 output_stream.next_out = compressed; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
509 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
|
510 } 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
|
511 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
|
512 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
|
513 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
514 } |
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 |
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
|
516 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
|
517 { |
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 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
|
519 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
|
520 } |
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 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
|
522 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
|
523 |
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 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
|
525 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
|
526 } |
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 |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
528 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
|
529 { |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
530 reader->last_cycle = 0; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
531 reader->repeat_event = 0xFF; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
532 reader->storage = 512 * 1024; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
533 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
|
534 reader->buffer.size = 0; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
535 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
|
536 |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
537 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
538 |
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
|
539 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
|
540 { |
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 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
|
542 reader->last_cycle = 0; |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
543 reader->repeat_event = 0xFF; |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
544 init_event_reader_common(reader); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
545 uint8_t name_len = data[1]; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
546 reader->buffer.size = name_len + 2; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
547 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
|
548 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
|
549 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
|
550 |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
551 int result = inflateInit(&reader->input_stream); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
552 if (Z_OK != result) { |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
553 fatal_error("inflateInit returned %d\n", result); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
554 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
555 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
|
556 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
|
557 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
|
558 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
|
559 fatal_error("inflate returned %d\n", result); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
560 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
561 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
|
562 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
Michael Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
563 |
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 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
|
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 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
|
567 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
|
568 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
|
569 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
|
570 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
|
571 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
|
572 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
|
573 |
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 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
|
575 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
|
576 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
|
577 } |
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 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
|
579 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
|
580 } |
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 |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
582 init_event_reader_common(reader); |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
583 reader->socket_buffer_size = 256 * 1024; |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
584 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
|
585 |
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
|
586 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
|
587 { |
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 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
|
589 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
|
590 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
|
591 } |
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 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
|
593 } |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
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1957
diff
changeset
|
594 size_t init_msg_len = 3 + reader->buffer.data[2]; |
9c01945b5d20
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1957
diff
changeset
|
595 memcpy(reader->socket_buffer, reader->buffer.data + init_msg_len, reader->buffer.size - init_msg_len); |
9c01945b5d20
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1957
diff
changeset
|
596 reader->input_stream.next_in = reader->socket_buffer; |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
597 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
|
598 reader->buffer.size = init_msg_len; |
9c01945b5d20
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1957
diff
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|
599 int res = inflateInit(&reader->input_stream); |
9c01945b5d20
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1957
diff
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|
600 if (Z_OK != res) { |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
601 fatal_error("inflateInit returned %d\n", res); |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
602 } |
9c01945b5d20
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1957
diff
changeset
|
603 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
|
604 reader->input_stream.avail_out = reader->storage - init_msg_len; |
9c01945b5d20
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1957
diff
changeset
|
605 res = inflate(&reader->input_stream, Z_NO_FLUSH); |
9c01945b5d20
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1957
diff
changeset
|
606 if (Z_OK != res && Z_BUF_ERROR != res) { |
9c01945b5d20
Use zlib to compress event log streams
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parents:
1957
diff
changeset
|
607 fatal_error("inflate returned %d in init_event_reader_tcp\n", res); |
9c01945b5d20
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parents:
1957
diff
changeset
|
608 } |
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
|
609 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
|
610 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
|
611 } |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
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parents:
diff
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|
612 |
1957 | 613 static void read_from_socket(event_reader *reader) |
614 { | |
1958
9c01945b5d20
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1957
diff
changeset
|
615 if (reader->socket_buffer_size - reader->input_stream.avail_in < 128 * 1024) { |
9c01945b5d20
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1957
diff
changeset
|
616 reader->socket_buffer_size *= 2; |
9c01945b5d20
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1957
diff
changeset
|
617 uint8_t *new_buf = malloc(reader->socket_buffer_size); |
9c01945b5d20
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1957
diff
changeset
|
618 memcpy(new_buf, reader->input_stream.next_in, reader->input_stream.avail_in); |
9c01945b5d20
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parents:
1957
diff
changeset
|
619 free(reader->socket_buffer); |
9c01945b5d20
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1957
diff
changeset
|
620 reader->socket_buffer = new_buf; |
9c01945b5d20
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1957
diff
changeset
|
621 reader->input_stream.next_in = new_buf; |
9c01945b5d20
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1957
diff
changeset
|
622 } else if ( |
9c01945b5d20
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1957
diff
changeset
|
623 reader->input_stream.next_in - reader->socket_buffer >= reader->input_stream.avail_in |
9c01945b5d20
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1957
diff
changeset
|
624 && reader->input_stream.next_in - reader->socket_buffer + reader->input_stream.avail_in >= reader->socket_buffer_size/2 |
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
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|
625 ) { |
9c01945b5d20
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1957
diff
changeset
|
626 memmove(reader->socket_buffer, reader->input_stream.next_in, reader->input_stream.avail_in); |
9c01945b5d20
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parents:
1957
diff
changeset
|
627 reader->input_stream.next_in = reader->socket_buffer; |
1957 | 628 } |
1958
9c01945b5d20
Use zlib to compress event log streams
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1957
diff
changeset
|
629 uint8_t *space_start = reader->input_stream.next_in + reader->input_stream.avail_in; |
9c01945b5d20
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1957
diff
changeset
|
630 size_t space = (reader->socket_buffer + reader->socket_buffer_size) - space_start; |
9c01945b5d20
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parents:
1957
diff
changeset
|
631 int bytes = recv(reader->socket, space_start, space, 0); |
1957 | 632 if (bytes >= 0) { |
1958
9c01945b5d20
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1957
diff
changeset
|
633 reader->input_stream.avail_in += bytes; |
1957 | 634 } else if (!socket_error_is_wouldblock()) { |
635 fatal_error("Connection closed, error = %X\n", socket_last_error()); | |
636 } | |
637 } | |
638 | |
1958
9c01945b5d20
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parents:
1957
diff
changeset
|
639 static void inflate_flush(event_reader *reader) |
9c01945b5d20
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1957
diff
changeset
|
640 { |
9c01945b5d20
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1957
diff
changeset
|
641 if (reader->buffer.cur_pos > reader->storage / 2) { |
9c01945b5d20
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1957
diff
changeset
|
642 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
|
643 reader->buffer.size -= reader->buffer.cur_pos; |
9c01945b5d20
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parents:
1957
diff
changeset
|
644 reader->buffer.cur_pos = 0; |
9c01945b5d20
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parents:
1957
diff
changeset
|
645 reader->input_stream.next_out = reader->buffer.data + reader->buffer.size; |
9c01945b5d20
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1957
diff
changeset
|
646 reader->input_stream.avail_out = reader->storage - reader->buffer.size; |
9c01945b5d20
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1957
diff
changeset
|
647 } |
9c01945b5d20
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1957
diff
changeset
|
648 int result = inflate(&reader->input_stream, Z_SYNC_FLUSH); |
9c01945b5d20
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1957
diff
changeset
|
649 if (Z_OK != result && Z_STREAM_END != result) { |
9c01945b5d20
Use zlib to compress event log streams
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parents:
1957
diff
changeset
|
650 fatal_error("inflate returned %d\n", result); |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
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1957
diff
changeset
|
651 } |
9c01945b5d20
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1957
diff
changeset
|
652 reader->buffer.size = reader->input_stream.next_out - reader->buffer.data; |
9c01945b5d20
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1957
diff
changeset
|
653 if (result == Z_STREAM_END && (reader->socket || reader->input_stream.avail_in)) { |
9c01945b5d20
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1957
diff
changeset
|
654 inflateReset(&reader->input_stream); |
9c01945b5d20
Use zlib to compress event log streams
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parents:
1957
diff
changeset
|
655 if (reader->input_stream.avail_in) { |
9c01945b5d20
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parents:
1957
diff
changeset
|
656 inflate_flush(reader); |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
657 } |
9c01945b5d20
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parents:
1957
diff
changeset
|
658 } |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
659 |
9c01945b5d20
Use zlib to compress event log streams
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parents:
1957
diff
changeset
|
660 } |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
661 |
1957 | 662 void reader_ensure_data(event_reader *reader, size_t bytes) |
663 { | |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
664 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
|
665 if (reader->input_stream.avail_in) { |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
666 inflate_flush(reader); |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
667 } |
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
|
668 if (reader->socket) { |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
669 while (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
|
670 read_from_socket(reader); |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
671 inflate_flush(reader); |
9c01945b5d20
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Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
672 } |
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
673 } |
1957 | 674 } |
675 } | |
676 | |
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
|
677 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
|
678 { |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
679 if (reader->repeat_remaining) { |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
680 reader->repeat_remaining--; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
681 *cycle_out = reader->last_cycle + reader->repeat_delta; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
682 reader->last_cycle = *cycle_out; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
683 return reader->repeat_event; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
684 } |
1958
9c01945b5d20
Use zlib to compress event log streams
Mike Pavone <pavone@retrodev.com>
parents:
1957
diff
changeset
|
685 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
|
686 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
|
687 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
|
688 uint32_t delta; |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
689 uint8_t multi_start = 0; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
690 if ((header & 0xF0) == (EVENT_MULTI << 4)) { |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
691 reader->repeat_remaining = (header & 0xF) + 1; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
692 multi_start = 1; |
1957 | 693 reader_ensure_data(reader, 1); |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
694 header = load_int8(&reader->buffer); |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
695 } |
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
|
696 if ((header & 0xF0) < FORMAT_3BYTE) { |
1948
d01527615c7c
Fix short event format decode bug
Michael Pavone <pavone@retrodev.com>
parents:
1947
diff
changeset
|
697 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
|
698 ret = header >> 4; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
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parents:
diff
changeset
|
699 } else if ((header & 0xF0) == FORMAT_3BYTE) { |
1957 | 700 reader_ensure_data(reader, 2); |
1947
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
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parents:
diff
changeset
|
701 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
|
702 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
|
703 } else { |
1957 | 704 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
|
705 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
|
706 //sign extend 24-bit delta to 32-bit |
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 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
|
708 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
|
709 } |
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 |= 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
|
711 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
|
712 } |
1956
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
713 if (multi_start) { |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
714 reader->repeat_event = ret; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
715 reader->repeat_delta = delta; |
275f1c4bdb25
Netplay protocol size optimization
Michael Pavone <pavone@retrodev.com>
parents:
1955
diff
changeset
|
716 } |
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
|
717 *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
|
718 reader->last_cycle = *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
|
719 if (ret == EVENT_ADJUST) { |
1957 | 720 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
|
721 size_t old_pos = reader->buffer.cur_pos; |
c36102d09351
Add missing netplay files and add in support for sending gamepad commands back to host
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parents:
diff
changeset
|
722 uint32_t adjust = load_int32(&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
|
723 reader->buffer.cur_pos = old_pos; |
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724 reader->last_cycle -= adjust; |
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725 } else if (ret == EVENT_STATE) { |
1957 | 726 reader_ensure_data(reader, 8); |
1947
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727 reader->last_cycle = load_int32(&reader->buffer); |
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728 reader->last_word_address = load_int8(&reader->buffer) << 16; |
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729 reader->last_word_address |= load_int16(&reader->buffer); |
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730 reader->last_byte_address = load_int16(&reader->buffer); |
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731 } |
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732 return ret; |
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733 } |
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734 |
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735 uint8_t reader_system_type(event_reader *reader) |
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736 { |
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737 return load_int8(&reader->buffer); |
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738 } |
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739 |
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740 void reader_send_gamepad_event(event_reader *reader, uint8_t pad, uint8_t button, uint8_t down) |
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741 { |
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742 uint8_t buffer[] = {down ? CMD_GAMEPAD_DOWN : CMD_GAMEPAD_UP, pad << 5 | button}; |
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743 //TODO: Deal with the fact that we're not in blocking mode so this may not actually send all |
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744 //if the buffer is full |
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745 send_all(reader->socket, buffer, sizeof(buffer), 0); |
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746 } |