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1 #include <stdio.h> |
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2 #include <stdlib.h> |
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3 #include <string.h> |
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4 #include <sys/socket.h> |
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5 #include <unistd.h> |
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6 #include "utils.h" |
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7 |
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8 #include "socket.h" |
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9 #include <signal.h> |
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10 |
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11 #include "screen.h" // FIXME to be removed |
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12 |
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13 /* Desc: create socket connection |
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14 * |
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15 * In : servername, port |
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16 * Out : socket (or -1 on error) |
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17 * |
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18 * Note: - |
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19 */ |
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20 int sk_conn(struct sockaddr *name) |
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21 { |
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22 int sock; |
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23 |
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24 if ((sock = socket(PF_INET, SOCK_STREAM, 0)) < 0) { |
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25 perror("socket (socket.c:23)"); |
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26 return -1; |
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27 } |
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28 |
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29 if (connect(sock, (struct sockaddr *) name, sizeof(struct sockaddr)) < 0) { |
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30 perror("connect (socket.c:29)"); |
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31 return -1; |
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32 } |
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33 |
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34 return sock; |
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35 } |
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36 |
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37 |
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38 /* Desc: send data through socket |
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39 * |
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40 * In : socket, buffer to send |
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41 * Out : 0 = fail, 1 = pass |
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42 * |
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43 * Note: - |
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44 */ |
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45 int sk_send(int sock, char *buffer) |
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46 { |
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47 //ut_WriteLog("Sending:%s\n", buffer); |
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48 if ((send(sock, buffer, strlen(buffer), 0)) == -1) |
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49 return 0; |
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50 else |
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51 return 1; |
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52 } |
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53 |
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54 /* Desc: receive data through socket |
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55 * |
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56 * In : socket |
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57 * Out : received buffer |
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58 * |
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59 * Note: it is up to the caller to free the returned string |
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60 */ |
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61 char *sk_recv(int sock) |
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62 { |
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63 int i = 1; |
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64 int tambuffer = 128; |
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65 char mtag[16]; // For tag name |
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66 |
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67 char *buffer = malloc(tambuffer); |
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68 char *retval = malloc(tambuffer + 1); |
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69 |
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70 memset(retval, 0, tambuffer); |
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71 memset(buffer, 0, tambuffer + 1); |
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72 |
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73 while (1) { |
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74 char *p1; |
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75 int n = recv(sock, buffer, tambuffer, 0); |
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76 if (n == -1) { |
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77 // Error |
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78 free(buffer); |
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79 retval[0] = 0; |
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80 return retval; |
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81 } |
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82 |
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83 if (i == 1) { |
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84 char *p2; |
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85 strcpy(retval, buffer); |
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86 p1 = retval+1; |
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87 p2 = mtag; |
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88 while (('a' <= *p1) && (*p1 <= 'z') && (p2-mtag < 14)) |
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89 *p2++ = *p1++; |
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90 *p2++ = '>'; *p2++ = 0; |
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91 //fprintf(stderr, "TAG=\"%s\"\n", mtag); |
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92 } else { |
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93 scr_LogPrint("Realloc %d [%d]", i-1, n); |
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94 if (!n) |
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95 break; |
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96 retval = realloc(retval, (tambuffer * i) + 1); |
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97 strncat(retval, buffer, tambuffer + 1); |
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98 } |
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99 i++; |
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100 p1 = retval + strlen(retval) - strlen(mtag); |
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101 //fprintf(stderr, "buffer:[%s]\n", buffer); |
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102 //fprintf(stderr, "End RET=[%s]\n", p1); |
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103 if (!strcmp(p1, mtag)) |
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104 break; |
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105 for (p1 = retval; *p1 && (*p1 != '>'); p1++); |
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106 if ((*p1 == '>') && (*(p1-1) == '/')) |
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107 break; |
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108 memset(buffer, 0, tambuffer); |
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109 } |
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110 free(buffer); |
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111 ut_WriteLog("Received:%s\n", retval); |
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112 return retval; |
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113 } |
