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Rev | Author | Line No. | Line |
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2871 | svoboda | 1 | /** @addtogroup sctrace |
2 | * @{ |
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3 | */ |
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4 | /** @file |
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5 | */ |
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6 | |||
7 | #include <stdio.h> |
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2873 | svoboda | 8 | #include <stdlib.h> |
9 | #include <libadt/hash_table.h> |
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2871 | svoboda | 10 | |
11 | #include "ipc_desc.h" |
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12 | #include "ipc.h" |
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13 | |||
2873 | svoboda | 14 | typedef struct { |
15 | int server; |
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16 | proto_t *proto; |
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17 | } connection_t; |
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18 | |||
19 | #define MAX_PHONE 64 |
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20 | connection_t connections[MAX_PHONE]; |
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21 | int have_conn[MAX_PHONE]; |
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22 | |||
23 | #define PCALL_TABLE_CHAINS 32 |
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24 | hash_table_t pending_calls; |
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25 | |||
26 | hash_index_t pending_call_hash(unsigned long key[]) |
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2871 | svoboda | 27 | { |
2873 | svoboda | 28 | printf("pending_call_hash\n"); |
29 | return key[0] % PCALL_TABLE_CHAINS; |
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30 | } |
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31 | |||
32 | int pending_call_compare(unsigned long key[], hash_count_t keys, link_t *item) |
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33 | { |
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34 | pending_call_t *hs; |
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35 | |||
36 | printf("pending_call_remove_compare\n"); |
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37 | hs = hash_table_get_instance(item, pending_call_t, link); |
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38 | |||
39 | return key[0] == hs->call_hash; |
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40 | } |
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41 | |||
42 | void pending_call_remove_callback(link_t *item) |
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43 | { |
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44 | printf("pending_call_remove_callback\n"); |
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45 | } |
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46 | |||
47 | hash_table_operations_t pending_call_ops = { |
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48 | .hash = pending_call_hash, |
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49 | .compare = pending_call_compare, |
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50 | .remove_callback = pending_call_remove_callback |
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51 | }; |
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52 | |||
53 | static void connection_set(int phone, int server, proto_t *proto) |
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54 | { |
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55 | if (phone <0 || phone >= MAX_PHONE) return; |
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56 | connections[phone].server = server; |
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57 | connections[phone].proto = proto; |
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58 | have_conn[phone] = 1; |
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59 | } |
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60 | |||
61 | static void connection_clear(int phone) |
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62 | { |
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63 | have_conn[phone] = 0; |
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64 | connections[phone].server = 0; |
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65 | connections[phone].proto = NULL; |
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66 | } |
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67 | |||
68 | static void ipc_m_print(ipcarg_t method) |
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69 | { |
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2872 | svoboda | 70 | ipc_m_desc_t *desc; |
71 | |||
72 | /* FIXME: too slow */ |
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73 | desc = ipc_methods; |
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74 | while (desc->number != 0) { |
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75 | if (desc->number == method) { |
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76 | printf("%s (%d)", desc->name, method); |
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77 | return; |
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78 | } |
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79 | |||
80 | ++desc; |
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81 | } |
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82 | |||
83 | printf("%d", method); |
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84 | } |
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85 | |||
2873 | svoboda | 86 | void ipcp_init(void) |
87 | { |
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88 | hash_table_create(&pending_calls, PCALL_TABLE_CHAINS, 1, &pending_call_ops); |
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89 | } |
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90 | |||
91 | void ipcp_cleanup(void) |
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92 | { |
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93 | hash_table_destroy(&pending_calls); |
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94 | } |
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95 | |||
2872 | svoboda | 96 | void ipc_parse_call_out(int phone, ipc_call_t *call, ipc_callid_t hash) |
97 | { |
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2873 | svoboda | 98 | pending_call_t *pcall; |
99 | |||
2872 | svoboda | 100 | // printf("ipc_parse_call_out()\n"); |
101 | printf("call id: 0x%x, phone: %d, method: ", hash, phone); |
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102 | ipc_m_print(IPC_GET_METHOD(*call)); |
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103 | printf(" args: (%u, %u, %u, %u, %u)\n", |
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2871 | svoboda | 104 | IPC_GET_ARG1(*call), |
105 | IPC_GET_ARG2(*call), |
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106 | IPC_GET_ARG3(*call), |
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107 | IPC_GET_ARG4(*call), |
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108 | IPC_GET_ARG5(*call) |
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109 | ); |
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2873 | svoboda | 110 | |
111 | /* Store call in hash table for response matching */ |
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112 | |||
113 | pcall = malloc(sizeof(pending_call_t)); |
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114 | pcall->phone_hash = phone; |
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115 | pcall->question = *call; |
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116 | pcall->call_hash = hash; |
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117 | |||
118 | hash_table_insert(&pending_calls, &pcall->call_hash, &pcall->link); |
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2871 | svoboda | 119 | } |
120 | |||
2872 | svoboda | 121 | void ipc_parse_call_in(ipc_call_t *call, ipc_callid_t hash) |
2871 | svoboda | 122 | { |
2873 | svoboda | 123 | link_t *item; |
124 | pending_call_t *pcall; |
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125 | |||
2872 | svoboda | 126 | // printf("ipc_parse_call_in()\n"); |
127 | /* printf("phone: %d, method: ", call->in_phone_hash); |
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128 | ipc_m_print(IPC_GET_METHOD(*call)); |
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129 | printf(" args: (%u, %u, %u, %u, %u)\n", |
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2871 | svoboda | 130 | IPC_GET_ARG1(*call), |
131 | IPC_GET_ARG2(*call), |
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132 | IPC_GET_ARG3(*call), |
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133 | IPC_GET_ARG4(*call), |
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134 | IPC_GET_ARG5(*call) |
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2872 | svoboda | 135 | );*/ |
2873 | svoboda | 136 | |
137 | if ((hash & IPC_CALLID_ANSWERED) == 0) { |
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138 | /* Not a response */ |
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139 | printf("Not a response\n"); |
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140 | return; |
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141 | } |
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142 | |||
143 | hash = hash & ~IPC_CALLID_ANSWERED; |
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144 | |||
145 | item = hash_table_find(&pending_calls, &hash); |
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146 | if (item == NULL) return; // No matching question found |
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147 | |||
148 | pcall = hash_table_get_instance(item, pending_call_t, link); |
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149 | |||
150 | printf("response matched to question\n"); |
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151 | hash_table_remove(&pending_calls, &hash, 1); |
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2871 | svoboda | 152 | } |
153 | |||
2872 | svoboda | 154 | void ipc_parse_call_sync(int phone, ipc_call_t *call, ipc_call_t *answer) |
155 | { |
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156 | ipc_parse_call_out(phone, call, 0); |
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157 | ipc_parse_call_in(answer, 0); |
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158 | } |
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2871 | svoboda | 159 | |
2872 | svoboda | 160 | void ipc_parse_hangup(int phone, int rc) |
161 | { |
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162 | printf("hangup phone %d -> %d\n", phone, rc); |
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163 | } |
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164 | |||
2871 | svoboda | 165 | /** @} |
166 | */ |